CN111580401B - VR technology-based semi-physical compatibility intelligent home control system - Google Patents
VR technology-based semi-physical compatibility intelligent home control system Download PDFInfo
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- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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Abstract
A semi-physical compatibility intelligent home control system based on a VR technology belongs to the technical field of intelligent home. The invention aims to solve the problems that the current intelligent home is not deeply integrated with reality and virtualization, and a real object is not designed by combining a VR (virtual reality) technology, so that the current intelligent home is poor in compatibility, limited by a place and poor in user experience. The technical points are as follows: the local PC is used for providing a virtual scene, and the HTC Vive VR equipment is used for converting the virtual scene into virtual reality; the client operates the user interface to remotely control the controller through the cloud server and the cloud router so as to operate the household related equipment; the client-side operation user interface also remotely controls the controller through the cloud server and the cloud router, and remotely controls the virtual home scene of the local PC through the controller; the client can access the webpage end through the external network to operate the real object and the virtual home scene. The method has the advantages of being green, comfortable, high in compatibility and capable of perceiving experience.
Description
Technical Field
The invention relates to an intelligent home control system based on a VR technology, and belongs to the technical field of intelligent home.
Background
With the development of the times and the advancement of science and technology, smart homes have started to change from concepts to reality, and products of smart homes are continuously appeared in the market. However, these products all have a problem of compatibility, and a system developed by a certain company can only be applied to a product of a user, so that the functions are single, the fragmentation is serious, and an intelligent home system applicable to any intelligent home product with a protocol is lacked.
Although a lot of smart homes are developed at present, the whole set of system is high in equipment cost, so that on one hand, the feasibility of the scheme is difficult to verify, on the other hand, the system is limited by actual conditions such as a field and the like, and a user cannot obtain a complete experience feeling, so that the smart homes are really integrated into the life of people and have a long way to walk, and a better solution is not provided at present.
Virtual Reality System (VR is a high and new technology in the field of graphic images appearing in recent years, and is also called a smart technology or an artificial environment.
Document No. CN205809569U discloses an intelligent home system based on VR technology, which includes a VR system and home devices, where the VR system includes a head-mounted display, a computer and a motion capture device, the computer stores a stereo scene of a house including home device information, the computer is connected to the home devices, the head-mounted display is used to display a virtual scene, the motion capture device is used to sense the motion condition of a user, and the computer is used to receive human body real motion information acquired by the motion capture device, send corresponding virtual reality images to the head-mounted display, and transmit motion command information to the home devices for work.
The prior art with the reference number CN208207534U discloses an intelligent household appliance control system based on a virtual display technology, which includes: a virtual display device in communication with the actual home device configured to generate and present to a user a virtual home device corresponding to the actual home device; the acquisition device is worn on the head of the user, and is configured to acquire brain wave signals generated by the human brain for the virtual household appliance, generate virtual operation instructions based on the brain wave signals and send the virtual operation instructions to the virtual display equipment; wherein the virtual display device is further configured to map the virtual operation instructions to actual operation instructions to control the corresponding actual home devices. The user need not to be close to and contact intelligent household electrical appliances, can control intelligent household electrical appliances, has made things convenient for intelligent household electrical appliances and user to carry out effective interactive communication.
It can be seen from the above prior art that there is no specific description on the control of the virtual part, the control of the virtual object in the virtual reality part is very limited, and the front smart home does not perform deep fusion of reality and virtual, i.e., the real object is not designed in combination with the VR technology, which results in poor compatibility between the two, and thus poor user experience.
Disclosure of Invention
The technical problem to be solved by the invention is as follows:
the invention aims to solve the problems that the existing intelligent home is not deeply integrated with reality and virtualization, and a real object is not designed by combining a VR (virtual reality) technology, so that the existing intelligent home is poor in compatibility, limited by a place and poor in user experience.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a semi-physical compatibility intelligent home control system based on VR technology comprises at least one electric control cabinet, a touch panel (human-computer interface, field), a local PC (personal computer) comprising a simulation module and a communication module, a cloud server comprising a cloud-end database, a client (web interface) and a set of HTC Vive VR equipment;
the electric control cabinet comprises a circuit breaker, an alternating current contactor, a fan, an electric meter, a 24V power supply (obtained by reducing the voltage of a power supply end by 220V), a controller, a cloud router, a current transformer and a terminal strip;
the 220V alternating current outgoing line is connected to an ammeter through a current transformer, is connected to a terminal block after passing through a main breaker, and is sequentially connected with a fan, an alternating current contactor, a 24V power supply and a controller in parallel through the terminal block, the main breaker is connected with a load breaker and a socket breaker in a shunting mode, the 24V power supply supplies power to a cloud router, the cloud router is communicated with the controller, the 24V power supply, the load breaker and the socket breaker supply power to a plurality of field peripherals serving as object parts in the intelligent home through the terminal block, and the router is connected with a touch panel in the intelligent home through a network;
the local PC and the set of HTC Vive VR equipment are used for virtual simulation, the local PC is used for providing a virtual scene (virtual home scene), and the HTC Vive VR equipment is used for converting the virtual scene into virtual reality;
the client operates the user interface to remotely control the controller through the cloud server and the cloud router, and the operation of the household related equipment is realized through the controller; the client-side operation user interface also remotely controls the controller through the cloud server and the cloud router, and remotely controls the virtual home scene of the local PC through the controller;
the client operation management interface remotely monitors the controller through a cloud server and a cloud router in the electric control cabinet so as to perform maintenance alarm; the client operation user interface also remotely monitors the virtual scene of the local PC through a cloud server and a cloud router in the electric control cabinet so as to perform maintenance alarm;
the method comprises the steps that a plurality of field peripherals (hardware equipment) and virtual home scene information are stored in an MSSQL database of a local PC through an OPC protocol, the database information is uploaded to a cloud end through a cloud server, and a client can access a webpage end through an external network to operate a real object and a virtual home scene.
Furthermore, a plurality of field peripherals (object parts) are connected with the controller by adopting a bus (the attractiveness and the simplicity are improved), and a DALI communication protocol or a Modbus communication protocol is adopted (the compatibility among intelligent household products of different brands can be met, and a green and energy-saving energy consumption management system is realized);
a unity 3D engine presents a virtual intelligent home scene, and the controller controls a virtual object through an OPC protocol and an MSSQL database; on the basis of controlling the field physical equipment and the virtual object, communicating with the equipment through an OPC protocol, and storing the acquired data in an MSSQL database; the database information is uploaded to a cloud end through a cloud router, a Web webpage end and an app end are established, and a user can use a touch screen for operation and also can use remote operation;
the DALI communication controls the on-off, dimming and dimming time of the lamp through the association of the gateway and the controller, and transmits a signal to an instruction through a master-slave structure; modbus communication, which is to control the component of the lower layer through the association of the gateway and the controller, wherein the Modbus communication protocol can inquire the function code in the signal, control the function to be executed by the lower layer device and attach task information;
in the process of storing a plurality of field peripherals (hardware equipment) and virtual home scene information to an MSSQL database of a local PC (personal computer) through an OPC (OLE for process control) protocol, data points are managed through an L-Web, and data point information is stored to the MSSQL database through the OPC protocol; a tunnel is built by utilizing a cloud router, the cloud router is connected with a cloud server, webpage and app end development is carried out based on an MSSQL database, and advanced functions of scene mode, monitoring management and fault repair are realized at a mobile end.
Further, in the virtual smart home scene, the house and furniture static model of the virtual smart home scene is created by software Sketch UP, a material map is added, and the virtual smart home scene is imported into a unity 3D engine in an FBX file format; the communication between the controller and the virtual object takes a local MSSQL database as an intermediate bridge: the OPC protocol is used for realizing the two-way communication between the controller and the MSSQL database, namely, the virtual data point of the controller corresponds to the data in the database; and mounting the C # script in the unity 3D, writing a connection statement to read or modify data in the database so as to correspond to the state of the virtual object, and thus realizing the two-way communication between the actual controller and the virtual object.
Further, Virtual Reality (VR) is implemented by a unity 3D engine and HTC Vive devices including a handle, a positioner, and a helmet; and (3) loading a plug-in Steam VR in unity 3D, configuring HTC Vive equipment, and finishing the observation, walking, instantaneous movement and touch operation of a user in a virtual scene by using a Steam VR plug-in tool to realize the conversion from the virtual scene to virtual reality.
Further, the lighting system in the virtual scene is realized by a light source (light) of unity 3 d; the environment light selects area light (area light) for baking, and a light map (light) is added to the environment to simulate the actual environment; the lighting lamp light is a point light source (point light) or a spot light source (spot light), wherein the spot light source is mainly used for a desk lamp/wall lamp, local MSSQL database data is used as light source parameters for displaying/hiding, brightness and color, and the control of a touch screen, a webpage end and the like on the lighting lamp is realized through an OPC protocol; a switch model is added in the virtual scene, the compiled C # script is mounted, the VR handle touches the C # script, the database data can be modified through collision triggering, and light is controlled, so that direct control in the virtual scene is achieved.
Further, the home appliances or furniture of the virtual scene are controlled as follows: the household appliance refrigerator takes local MSSQL database data as refrigerator state parameters, animation (animation) of position change is added to a refrigerator door model in unity 3d to represent opening and closing, animation triggers (Trigger) are respectively arranged to mount a written script, and when the local database data (namely the refrigerator state parameters) are a certain value, the corresponding triggers (Trigger) are triggered to control opening/closing of a refrigerator door, and meanwhile, on/off of a point light source indication lamp in the refrigerator is displayed/hidden and can be controlled through a touch screen and a webpage end. And adding a collision trigger script for the model, and modifying database data when the VR handle touches the model to realize direct control in a virtual scene.
Further, the air conditioning system in the virtual scene is: setting up an air conditioner and an air conditioner panel model in the unity 3d, wherein the air conditioner panel model comprises buttons for adjusting the lifting temperature and the mode; writing a C # program, establishing a temperature model close to the actual temperature, setting an initial room temperature and mode, a wind speed and a set temperature, and changing corresponding parameters when a corresponding button is pressed, namely a VR handle is touched, so that the current room temperature is adjusted to change along with time, the temperature parameters are displayed on an air-conditioning panel and stored in a database to be synchronously displayed on a touch screen and a webpage end, and an air-conditioning system can also be controlled from the touch screen and the webpage end; the corresponding parameters comprise set temperature, wind speed and mode.
Further, the new trend system of virtual scene is: setting up a fresh air panel model in the unity 3d, wherein the panel model comprises a switch button; compiling a C # program, establishing a fresh air model close to the reality, setting the initial carbon dioxide concentration, pressing a button, and reducing the carbon dioxide concentration along with the time when a fresh air system is started and finally tending to a stable value; the button is pressed again, the fresh air system is closed, and the concentration of the carbon dioxide rises along with the time and finally approaches to another stable value; the concentration parameters are displayed on a fresh air panel and stored in a database to be synchronously displayed on a touch screen and a webpage end, and a fresh air system can also be used from the touch screen and the webpage end.
Furthermore, the solar power generation system in the virtual scene is that firstly, a solar power generation model is established in a C # program, parameters such as weather, time, season and the like are set, and buttons are added on a scene operation interface to configure the weather, the time and the season respectively; different weather parameter values correspond to different weather (such as cloudy days, sunny days and the like), and when the different weather parameter values are a certain value, the current sky box (Skybox) is modified to be corresponding materials (such as cloudy days, sunny days and the like); the time parameter controls day/night, and the priority is higher than the weather, so that the user can intuitively feel the environment difference in weather at different times after wearing the VR helmet; and calculating the current solar power generation power and the total power generation amount in the C # according to the parameters and a formula in real time, and storing the current solar power generation power and the total power generation amount in a database for displaying on a touch screen and a webpage end, wherein a power generation power curve can be displayed on an L-VIS touch screen.
Further, the system also comprises an energy consumption management system, and the energy consumption management system is divided into a real part and a virtual part: the physical part measures the total power and energy consumption of the system by a multifunctional Taida ammeter, stores the total power and energy consumption into a database through OPC, and displays the total power and energy consumption on a touch screen and a webpage; and the virtual scene part establishes a mathematical model, stores a power value corresponding to the current operation state of each electric consumption device in a database, sums and integrates the power values along with time in the database, and displays the obtained total power and power consumption to the touch screen and the webpage end.
The invention has the following beneficial technical effects:
according to the invention, multiple controls are carried out on the virtual object in the virtual part, the real part and the virtual part are deeply fused, the real part and the virtual part are deeply designed by combining the VR technology, the incompatibility of the real part and the virtual part is greatly improved, and the user experience is enhanced. The invention better solves the two problems of poor compatibility and limited field of the smart home. The invention supports various protocols, can be applied to databases and software webpages, and can enable users to perform immersive experience with VR equipment under the condition of being limited by practical conditions.
The invention relates to an intelligent control system of a modern green intelligent house, which is designed by combining a real object with a VR technology, provides a set of intelligent home scheme which is green, comfortable, high in compatibility and capable of perceiving experience for a user, and provides an intelligent home system debugging scheme which takes a virtual scene as a main body for an intelligent home developer. The real object part adopts a bus connection mode, all actuators and control equipment are connected through a bus, and all electric appliances are controlled through DALI, Modbus and other communication protocols. And the virtual part presents a virtual intelligent home scene by a unity 3D engine, and realizes the control of the controller on the virtual object through an OPC protocol and an MSSQL database. On the basis of controlling the field physical equipment and the virtual object, the equipment is communicated with the equipment through an OPC protocol, and the acquired data is stored in an MSSQL database. In addition, the database information is uploaded to the cloud end through the cloud router, a Web page end is established, and a user can use the touch screen for operation and can also use the Web end for remote operation.
Drawings
FIG. 1 is a smart home functional diagram of an implementation of the present invention;
FIG. 2 is a block diagram of the system architecture of the present invention;
FIG. 3 is a layout diagram of an electric control cabinet of the real object part of the present invention; in fig. 3, 1 denotes a main breaker, 2 denotes a receptacle breaker, 3 denotes a load breaker, 4 denotes a contactor, 5 denotes an electricity meter, 6 denotes a 24V power supply, 7 denotes a cloud router, 8 denotes a controller, 9, 10, 11, 12 denote terminal blocks, and 13 denotes a current transformer;
fig. 4 is a wiring diagram of an electric control cabinet of an object Part of the present invention, wherein fig. 4-a is a wiring diagram Part1 of the electric control cabinet of the object Part of the present invention (220V ac lead-out line is connected to an electric meter through a current transformer, and is connected to a terminal block through a main breaker, and then is connected in parallel to a fan, an ac contactor, a 24V power supply, and a controller in sequence by the terminal block, the main breaker is connected to a load breaker and a socket breaker, the 24V power supply supplies power to a cloud router, and the cloud router is in communication with the controller), and fig. 4-b is a wiring diagram Part2 of the electric control cabinet of the object Part of the present invention (220V ac connected to the terminal block and connected to the controller, the;
FIG. 5 is a field wiring diagram of an object Part of the present invention, FIG. 5-a is a field wiring diagram Part1 of the object Part of the present invention (220V AC power is connected to a terminal after passing through a socket breaker, and is connected to 2 sockets by the terminal), FIG. 5-b is a field wiring diagram Part2 of the object Part of the present invention (220V AC power is connected to a terminal after passing through a load breaker, and is connected to 2 DALI lamp power supply ports by the terminal, a DALI port of a controller is connected to the terminal, and is connected to 2 DALI lamp DALI signal ports and a DALI multifunction sensor signal port by the terminal), FIG. 5-c is a field wiring diagram Part3 of the object Part of the present invention (220V AC power is connected to the terminal after passing through a load breaker, a live wire and a neutral wire are connected to a DALI relay power port and one end of a common lamp by the terminal, while a live ground three wire is connected to a curtain motor power supply port, and the other DALI relay port is connected to the other end of the common lamp, and the sub-circuit is connected to a DALI signal port of the DALI relay; the output ports DO1 and DO2 of the controller are connected to terminals, and then the terminals are respectively connected to a forward rotation signal wire and a reverse rotation signal wire of the curtain motor, and fig. 5-d is a field wiring diagram Part4 of the real object Part of the invention (220V alternating current is connected to the terminals after passing through a load circuit breaker, and a live wire and a zero wire are respectively connected to a power supply port of an air conditioner panel through the terminals; the output of the 24V power supply is connected to a terminal, and the terminal is connected to the LSTAT touch screen and the LVIS touch panel in a splitting mode; a Modubus signal wire led out from the controller is connected to the Modbus signal ports of the air conditioner panel and the DALI touch screen through a terminal; the cloud router is wired to the LVIS touch panel).
FIG. 6 is a schematic view of the virtual-real joint debugging process of the present invention;
FIG. 7 is a diagram of a mathematical model of a virtual scene part system according to the present invention.
Detailed Description
The implementation of the VR technology-based semi-physical compatible smart home control system of the present invention is explained with reference to fig. 1 to 7 as follows:
the scheme of the invention designs a set of intelligent control system of modern green intelligent house by combining real objects with VR technology, provides a set of intelligent home scheme which is green, comfortable, highly compatible and capable of precedent experience for users, and provides an intelligent home system debugging scheme which takes virtual scene as a main body for intelligent home developers. The scheme comprises the following steps: at least one electric control cabinet (including controller, cloud router, ammeter, current transformer and a plurality of circuit breaker and terminal etc.), a touch panel (human-computer interface), a plurality of on-the-spot peripheral hardware, a local PC (including simulation module, communication module etc.), a cloud ware (including high in the clouds database), web interface, a set of HTC Vive VR equipment. The real object part adopts a bus connection mode, all actuators and control equipment are connected through a bus, and all electric appliances are controlled through DALI, Modbus and other communication protocols. And the virtual part presents a virtual intelligent home scene by a unity 3D engine, and realizes the control of the controller on the virtual object through an OPC protocol and an MSSQL database. On the basis of controlling the field physical equipment and the virtual object, the equipment is communicated with the equipment through an OPC protocol, and the acquired data is stored in an MSSQL database. In addition, the database information is uploaded to the cloud end through the cloud router, a Web webpage end and an app end are established, and a user can use the touch screen for operation and can also use remote operation.
The virtual part uses a virtual reality technology to build a virtual intelligent home scene which can be controlled by a real object controller (in figure 2, one real object controller and one virtual object controller are shared), the control and operation of systems such as lamplight, household appliances, air conditioners, fresh air, solar power generation, energy consumption and the like are realized in the virtual scene, and a user can use a set of HTC Vive VR equipment (HTC VIVE helmets and handles) to carry out immersive experience;
the DALI communication is realized by associating a gateway with a controller, controlling the on-off, dimming and dimming time and other control information of the lamp, and transmitting a signal to an instruction through a master-slave structure. Modbus communication is realized by associating a gateway with a controller so as to control the components of the lower layer. The Modbus communication protocol can inquire the function codes in the signals, control functions required to be executed by lower-layer equipment and add task information. DALI communication is mainly used for the control of light brightness, (window) curtain opening and closing, and Modbus communication is mainly used for air conditioning system and energy consumption management.
The OPCProtocolTo establish an interface standard for communication between industrial control system applications, a unified data access specification is established between the industrial control device and the control software. The method provides a standard data access mechanism, solves the problem of data exchange between the controller and the database thereof, and can provide transparent data access among various applications.
The data layer can manage the controller data points through L-Web and store the data point information to the MSSQL database through OPC protocol. A tunnel is built by utilizing a cloud router, the cloud router is connected with a cloud server, webpage and app end development is carried out based on an MSSQL database, and more advanced functions such as contextual models, monitoring management and fault reporting are realized at a mobile end.
According to the virtual intelligent home scene, a house and furniture static model is created by software Sketch UP, a texture map is added, and a unity 3D engine is imported in an FBX file format.
The communication between the actual controller and the virtual object takes a local MSSQL database as an intermediate bridge: the OPC protocol is used for realizing the two-way communication between the controller and the MSSQL database, namely, the virtual data point of the controller corresponds to the data in the database; and mounting the C # script in the unity 3D, writing a connection statement to read or modify data in the database so as to correspond to the state of the virtual object, and thus realizing the two-way communication between the actual controller and the virtual object.
The Virtual Reality (VR) technology is realized by a unity 3D engine and HTC Vive equipment (comprising a handle, a positioner, a helmet and the like). And (3) loading a plug-in Steam VR in unity 3D, and configuring HTC Vive equipment, namely, completing the operations of observation, walking, instantaneous movement, touch and the like of a user in a virtual scene by using a Steam VR plug-in tool, so as to realize the conversion from the virtual scene to virtual reality.
The virtual scene lighting system is realized by a light source (light) of unity 3 d. The ambient light is baked by regional light, and a light map (light) is added to the environment to simulate the actual environment. The lighting lamp light is a point light source (point light) or a spot light source (spot light), wherein the spot light source is mainly used for a desk lamp/wall lamp, local MSSQL database data are used as light source parameters such as display/hiding, brightness and color, and the control of a touch screen, a webpage end and the like on the lighting lamp is realized through an OPC protocol. A switch model is added in the virtual scene, the compiled C # script is mounted, the VR handle touches the C # script, the database data can be modified through collision triggering, and light is controlled, so that direct control in the virtual scene is achieved.
The virtual scene household electrical appliance and furniture control takes a refrigerator as an example, local MSSQL database data is used as a refrigerator state parameter, animation (animation) of position change is added to a refrigerator door model in unity 3d to represent opening and closing, an animation Trigger (Trigger) is respectively arranged to mount a written script, and when the local database data (namely the refrigerator state parameter) is a certain value, a corresponding Trigger (Trigger) is triggered to control opening/closing of a refrigerator door, and on/off of a point light source indicating lamp in the refrigerator is displayed/hidden, and the virtual scene household electrical appliance and furniture control can be controlled through a touch screen and a webpage end. And adding a collision trigger script for the model, and modifying database data when the VR handle touches the model to realize direct control in a virtual scene.
The virtual scene air conditioning system builds an air conditioner and an air conditioner panel model in unity 3d, wherein the air conditioner panel model comprises buttons for adjusting the lifting temperature and the mode. Writing a C # program, establishing a temperature model close to the actual temperature, setting the initial room temperature and other parameters, changing the corresponding parameters (setting temperature, wind speed, mode and the like) when a corresponding button is pressed (VR handle is touched), adjusting the current room temperature to change along with time, displaying the temperature parameters on an air-conditioning panel, storing the temperature parameters in a database to be synchronously displayed on a touch screen and a webpage end, and controlling an air-conditioning system from the touch screen and the webpage end.
The virtual scene fresh air system builds a fresh air panel model in unity 3d, and the panel model comprises a switch button. Compiling a C # program, establishing a fresh air model close to the reality, setting the initial carbon dioxide concentration, pressing a button, and reducing the carbon dioxide concentration along with the time when a fresh air system is started and finally tending to a stable value; the button is pressed again, the fresh air system is turned off, and the carbon dioxide concentration rises with time and finally approaches another stable value. The concentration parameters are displayed on a fresh air panel and stored in a database to be synchronously displayed on a touch screen and a webpage end, and a fresh air system can also be used from the touch screen and the webpage end.
The virtual scene solar power generation system is characterized in that a solar power generation model is established in a C # program, parameters such as weather, time, seasons and the like are set, and buttons are added to a scene operation interface to configure the weather, the time and the seasons respectively. Different weather parameter values correspond to different weather, such as cloudy days, sunny days and the like, and when the weather parameter value is a certain value, the current sky box (Skybox) is modified into a corresponding material (cloudy days, sunny days and the like); the time parameter controls day/night, and the priority is higher than weather, so that the user can intuitively feel the environmental difference in weather at different times after wearing the VR helmet. And calculating the current solar power generation power and the total power generation amount in the C # according to the parameters and a formula in real time, and storing the current solar power generation power and the total power generation amount in a database for displaying on a touch screen and a webpage end, wherein a power generation power curve can be displayed on an L-VIS touch screen.
The energy consumption management system is divided into a real part and a virtual part: the physical part measures the total power and energy consumption of the system by a multifunctional Taida ammeter, stores the total power and energy consumption into a database through OPC, and displays the total power and energy consumption on a touch screen and a webpage; and the virtual scene part establishes a mathematical model, stores a power value corresponding to the current operating state of each electric consumption device in a database, sums the power values in the database and calculates the integral along with time, and displays the obtained total power and power consumption to a touch screen and a webpage end.
Example (b):
the technical solutions of the present invention will be described in detail and clearly in the following description with reference to the accompanying drawings, and it is to be understood that the embodiments described herein are merely for purposes of illustration and explanation and are not intended to limit the present invention.
As shown in fig. 1, the present invention implements the functions described herein, facing the administrator and the user, respectively. Providing for a user: the intelligent and modern intelligent life experience is provided for users through humanized adjustment (lighting, curtains, air conditioners, fresh air and the like), wherein the curtains are real objects, and the lighting, the air conditioners and the fresh air comprise real objects and virtual parts; energy consumption monitoring, including solar power generation, and monitoring and calculating of electric appliance energy consumption, so as to realize green energy conservation, wherein the solar power generation is a virtual part, and the electric appliance energy consumption comprises a real object and a virtual part; the intelligent control system comprises an intelligent control (a field switch, a touch panel and a remote interface), wherein a user can operate on the field, a touch screen or a mobile terminal, the field switch is divided into a real object switch and a virtual scene switch, the touch panel is a real object, and the remote interface comprises an app terminal and a webpage terminal; the customized scene and the timing switch can be customized by a user, different preferences and requirements of the user are met, and the customized scene and the timing switch all comprise a real object and a virtual part. Facing to the administrator: the administrator can log in the management interface through the administrator account to monitor the equipment state in real time; and after finding the equipment fault, the user can report the fault information through the user interface, and the administrator can process the maintenance report on the management interface.
As shown in FIG. 2, the system structure of the invention is as shown in the figure, and the bottom controlled object is divided into a real object and a virtual part, wherein the virtual part is presented in a unity 3D scene in cooperation with HTC Vive equipment. The bottom layer physical equipment is communicated with the controller through a Modbus protocol and a DALI protocol or is controlled through an I/O port, and the virtual simulation is communicated with the controller through an OPC protocol by taking an MSSQL database as a bridge. Data points in the controller are stored in a local database through an OPC protocol, a cloud router creates a safety tunnel and transmits the safety tunnel to a cloud server and communicates with a touch screen, and dreamweaver cs5 software is used for compiling an asp script to make a webpage or app to realize mobile terminal control.
As shown in fig. 3, the layout of the electric control cabinet of the invention is divided into three layers, wherein the uppermost layer is sequentially provided with a circuit breaker, an electromagnetic relay, an electric meter and a 24V power supply; the middle layer is a controller and a cloud router; the bottom layer is a terminal block and a current transformer.
Fig. 4 is a wiring diagram of the electric control cabinet. The circuit is led out by 220V alternating current and is connected to an ammeter through a current transformer to monitor energy consumption information; after passing through the main breaker, the fan, the electric meter, the 24V power supply and the controller are sequentially connected in parallel, and finally the load breaker and the socket breaker are tapped. The 24V power supply supplies power to the cloud router and the 24V load. FIG. 4-a includes: a main circuit breaker (QF1), indicator lights (L1, L2), contactors (KM1), fans (Fan), electric meters (Wh1), 24V Power Supplies (PS), cloud routers (Router); FIG. 4-b includes: a Controller (CN), load and socket circuit breakers (QF2, QF 3).
As shown in fig. 5, a field wiring diagram. The power supply line and the communication line are separately wired, and the power supply line comprises 220V power supply and 24V power supply. The communication line includes DALI communication and Modbus communication. As shown in the figure, the power supply lines of the communication lines are all of a bus structure and are connected by using a quick tapping device. The 220V load equipment comprises an air conditioner panel, a lamp, a curtain and a socket, and the 24V load equipment comprises an LVIS touch panel and an LSTAT touch screen; the DALI communication equipment comprises a DALI protocol lamp, a DALI multifunctional sensor and a DALI relay, and the Modbus communication equipment comprises an LSTAT touch screen and an air conditioner panel. FIG. 5-a includes: sockets (XS1, XS 2); FIG. 5-b includes: DALI lamps (DALI Driver), DALI multifunction sensors (Multisensor); FIG. 5-c includes: a DALI relay (RM3), a Curtain Motor (Curtain Motor) and a lamp (H1); FIG. 5-d includes: air conditioner panel (Temperature control panel), LSTAT touch screen (LSTAT), LVIS touch panel (LVIS).
As shown in fig. 6, the virtual-real linkage process of the present invention is as shown in the figure, and the local MSSQL database is used as an intermediate bridge, and the OPC protocol is used to implement the bidirectional communication between the controller and the MSSQL database, i.e. the virtual data point of the controller corresponds to the data in the database; and mounting the C # script in the unity 3D, writing a connection statement to read or modify data in the database so as to correspond to the state of the virtual object, and thus realizing the two-way communication between the actual controller and the virtual object. On the basis of the unity scene, the virtual scene is converted into virtual reality by matching with an HTC Vive helmet, a handle and a positioner, so that the immersive intelligent home experience is realized.
As shown in fig. 7, the virtual scene of the present invention includes mathematical models of solar power generation, a fresh air system, an air conditioning system, and an energy consumption system as shown in the figure. The solar power generation comprises season, weather and time parameters, each parameter can be configured through a unity 3D interface, and the current solar power generation power is obtained through a calculation formula P which is S multiplied by W multiplied by T multiplied by C, wherein S is a season parameter, W is a weather parameter, T is a time parameter and C is a constant. The fresh air system comprises a roomCarbon dioxide concentration, time and ventilation parameters, wherein the ventilation parameters can be configured in a virtual reality scene through buttons, the time parameters are running time of the virtual reality scene, and the current indoor CO2 concentration is obtained according to the formula c '═ c + F multiplied by delta T, wherein c is CO2 concentration in the last time period, c' is current concentration, F is ventilation parameters, ventilation is started to be positive, closed to be negative, delta T is a time interval, and the increase/decrease is stopped when the concentration reaches the upper limit 1200/lower limit 100. The model of the air conditioning system is similar to that of a fresh air system, but the air speed and the mode parameters are added, the current room temperature is calculated according to the formula T '═ T + S × m × S × Δ T, wherein T' and T are the room temperature of the current and last time periods respectively, S is the air speed, m is the mode, S is a set temperature parameter (positive when the temperature is higher than the room temperature and negative when the temperature is lower than the room temperature), and Δ T is a time interval. The energy consumption model comprises equipment state, equipment power and time parameters, and the formula is as follows:
wherein P is the power of a single electric appliance, s is the running state of the electric appliance, and P is the total power consumption;
wherein P is total power consumption, t and t' are current and previous stage time, respectively, and W is total power consumption.
Claims (9)
1. A semi-physical compatible intelligent home control system based on VR technology is characterized in that the system comprises at least one electric control cabinet, a touch panel, a local PC (personal computer) comprising a simulation module and a communication module, a cloud server comprising a cloud end database, a client and a set of HTC Vive VR equipment;
the electric control cabinet comprises a circuit breaker, an alternating current contactor, a fan, an ammeter, a 24V power supply, a controller, a cloud router, a current transformer and a terminal strip;
the 220V alternating current outgoing line is connected to an ammeter through a current transformer, is connected to a terminal block after passing through a main breaker, and is sequentially connected with a fan, an alternating current contactor, a 24V power supply and a controller in parallel through the terminal block, the main breaker is connected with a load breaker and a socket breaker in a shunting mode, the 24V power supply supplies power to a cloud router, the cloud router is communicated with the controller, the 24V power supply, the load breaker and the socket breaker supply power to a plurality of field peripherals serving as object parts in the intelligent home through the terminal block, and the router is connected with a touch panel in the intelligent home through a network;
the local PC and the set of HTC Vive VR equipment are used for virtual simulation, the local PC is used for providing a virtual scene, and the HTC Vive VR equipment is used for converting the virtual scene into virtual reality; the virtual reality is realized by a unity 3D engine and HTC Vive equipment comprising a handle, a positioner and a helmet; loading a plug-in Steam VR in unity 3D, configuring HTC Vive equipment, and completing observation, walking, instantaneous movement and touch operation of a user in a virtual scene by using a Steam VR plug-in tool to realize conversion from the virtual scene to virtual reality;
the client operates the user interface to remotely control the controller through the cloud server, and the controller is used for operating the household related equipment; the client-side operation user interface also remotely controls the controller through the cloud server, and remotely controls the virtual home scene of the local PC through the controller;
the client operation management interface remotely monitors the controller through a cloud server in the electric control cabinet so as to perform maintenance alarm; the client operation user interface also remotely monitors the virtual scene of the local PC through a cloud server in the electric control cabinet so as to carry out maintenance alarm;
the method comprises the steps that a plurality of field peripherals and virtual home scene information are stored in an MSSQL database of a local PC through an OPC protocol, the database information is uploaded to a cloud end through a cloud server, and a client can access a webpage end through an external network to operate a real object and a virtual home scene.
2. The VR technology-based semi-physical compatible smart home control system of claim 1, wherein:
connecting a plurality of field peripherals with a controller by adopting a bus, and adopting a DALI (digital addressable Lighting interface) communication protocol or a Modbus communication protocol;
a unity 3D engine presents a virtual intelligent home scene, and the controller controls a virtual object through an OPC protocol and an MSSQL database; on the basis of controlling the field physical equipment and the virtual object, communicating with the equipment through an OPC protocol, and storing the acquired data in an MSSQL database; the database information is uploaded to a cloud end through a cloud router, a Web webpage end and an app end are established, and a user can use a touch screen for operation and also can use remote operation;
the DALI communication is realized by associating a gateway with a controller, controlling the on-off, dimming and dimming time of the lamp, and transmitting a signal or a command through a master-slave structure; modbus communication, which is to control the component of the lower layer through the association of the gateway and the controller, wherein the Modbus communication protocol can inquire the function code in the signal, control the function to be executed by the lower layer device and attach task information;
in the process of storing a plurality of field peripherals and virtual home scene information to an MSSQL database of a local PC (personal computer) through an OPC (OLE for process control) protocol, data points are managed through an L-Web, and data point information is stored to the MSSQL database through the OPC protocol; a tunnel is built by utilizing a cloud router, the cloud router is connected with a cloud server, webpage and app end development is carried out based on an MSSQL database, and functions of scene mode, monitoring management and fault repair are achieved at a mobile end.
3. The VR technology-based semi-physical compatible smart home control system of claim 2, wherein: in the virtual intelligent home scene, a house and furniture static model is created by software Sketch UP, a texture map is added, and a unity 3D engine is imported in an FBX file format;
the communication between the controller and the virtual object takes a local MSSQL database as an intermediate bridge: the OPC protocol is used for realizing the two-way communication between the controller and the MSSQL database, namely, the virtual data point of the controller corresponds to the data in the database; and C # scripts are mounted in the unity 3D, and connection statements are compiled to read or modify data in the database so as to correspond to the state of the virtual object, so that the bidirectional communication between the controller and the virtual object is realized.
4. The VR technology-based semi-physical compatible smart home control system of claim 1 or 2, wherein: the lighting system in the virtual scene is realized by a unity 3D light source; baking by using regional light as ambient light, and adding a lighting map for the environment to simulate an actual environment; the spotlight light source is mainly used for a desk lamp/wall lamp, local MSSQL database data is used as light source parameters for displaying/hiding, brightness and color, and the control of the touch screen and the webpage end on the light is realized through an OPC protocol; a switch model is added in the virtual scene, the compiled C # script is mounted, the VR handle touches the C # script, the database data can be modified through collision triggering, and light is controlled, so that direct control in the virtual scene is achieved.
5. The VR technology-based semi-physical compatible smart home control system of claim 4, wherein: the household refrigerator in the virtual scene is controlled as follows: the household appliance refrigerator takes local MSSQL database data as refrigerator state parameters, animation representation of position change is added to a refrigerator door model in unity 3D to represent opening and closing, animation triggers are respectively arranged to mount a compiled script, and when the local database data is a certain value, a corresponding trigger is triggered, so that opening/closing of a refrigerator door is controlled, and meanwhile, on-off of a point light source representation lamp in the refrigerator is displayed/hidden and can be controlled through a touch screen and a webpage end; and adding a collision trigger script for the model, and modifying database data when the VR handle touches the model to realize direct control in a virtual scene.
6. The VR technology-based semi-physical compatible smart home control system of claim 1 or 2, wherein: the air conditioning system in the virtual scene is as follows: setting up an air conditioner and an air conditioner panel model in the unity 3D, wherein the air conditioner panel model comprises a lifting temperature and mode adjusting button; writing a C # program, establishing a temperature model close to the actual temperature, setting an initial room temperature and mode, a wind speed and a set temperature, and changing corresponding parameters when a corresponding button is pressed, namely a VR handle is touched, so that the current room temperature is adjusted to change along with time, the temperature parameters are displayed on an air-conditioning panel and stored in a database to be synchronously displayed on a touch screen and a webpage end, and an air-conditioning system can also be controlled from the touch screen and the webpage end; the corresponding parameters comprise set temperature, wind speed and mode.
7. The VR technology-based semi-physical compatible smart home control system of claim 1 or 2, wherein: the new trend system of virtual scene does: setting up a fresh air panel model in the unity 3D, wherein the panel model comprises a switch button; compiling a C # program, establishing a fresh air model close to the reality, setting the initial carbon dioxide concentration, pressing a button, and reducing the carbon dioxide concentration along with the time when a fresh air system is started and finally tending to a stable value; the button is pressed again, the fresh air system is closed, and the concentration of the carbon dioxide rises along with the time and finally approaches to another stable value; the concentration parameters are displayed on the fresh air panel and stored in the database to be synchronously displayed on the touch screen and the webpage end, and the fresh air system can also be controlled from the touch screen and the webpage end.
8. The VR technology-based semi-physical compatible smart home control system of claim 1 or 2, wherein: the solar power generation system in the virtual scene is characterized in that a solar power generation model is established in a C # program, parameters such as weather, time, seasons and the like are set, and buttons are added to a scene operation interface to configure the weather, the time and the seasons respectively; different weather parameter values correspond to different weather, and when the different weather parameter values are a certain value, the current sky box is modified into a corresponding material; the time parameter controls day/night, and the priority is higher than the weather, so that the user can intuitively feel the environment difference in weather at different times after wearing the VR helmet; and calculating the current solar power generation power and the total power generation amount in real time according to the parameters in the C # and storing the current solar power generation power and the total power generation amount in a database for displaying on a touch screen and a webpage end, wherein a power generation power curve can be displayed on an L-VIS touch screen.
9. The VR technology-based semi-physical compatible smart home control system of claim 1 or 2, wherein: the system also comprises an energy consumption management system, wherein the energy consumption management system is divided into a real part and a virtual part: the physical part measures the total power and energy consumption of the system by a multifunctional electric meter, stores the total power and energy consumption into a database through OPC, and displays the total power and energy consumption on a touch screen and a webpage; and the virtual scene part stores a power value corresponding to the current operation state of each electric consumption device into a database, sums and integrates the power values along with time in the database, and displays the obtained total power and power consumption to the touch screen and the webpage end.
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| CN114415881B (en) * | 2022-01-24 | 2024-02-09 | 东北大学 | Meta universe skiing system with real-time cloud linking of elements in skiing field environment |
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