Wireless Control of Intelligent Houses
Contents
1. on alarrr Yiv pg Serves to ext A the RF signal rang Sa BP v 4 a 200 Ld Q gt O J RFSA 61B RFRP 20 RFDA 71B Fig 1 Visualization of a RF Control System Communication 3 1 Unit Specifications The unit itself is manufactured in two versions 2 The first is a stand alone type designed to be hung on a wall or laid on a table It is powered by a 12V DC adapter 2 1mm jack or by 85 230V AC supply voltage push in terminal on the back side The second type should be installed to the wall electric box with a 230V AC supply voltage The color of the unit can also be customized as well as the color and material of the outside frame Communication between the main control unit and the other units as was mentioned before is realized via a wireless protocol This 1s running on the frequency of 868 5 MHz and has a maximum active range of 200 meters depending on the construction materials used in the building the worst in this case is steel metal followed by reinforced concrete The graphical user interface is represented by a 3 5 touch screen with a resolution of 320x240 pixels and 262 144 colors with an active white LED backlight It is possible to check the state of all the connected units sorted by their function or location from this screen and send direct commands and control them by only a few taps The interface also allows the user to update the connected device list to rename t2. temperatures to every room hour and day of the week The third holiday mode allows exceptions from the previous one for the case of uncommon situations Switching and lights groups are used to control lights and any other devices which can be switched remotely e g garden watering system From the menu the user can check the status of every switch and manually turn it on or off There is also an option to set a time offset to specify the moment of the command execution In addition the programmable week calendar is also available When using light units with a darkfall effect it 1s also possible to specify the desired brightness level and even the duration of the brightening darkening effect This can imitate the feeling of a sunrise or nightfall Sun blinds group contains all devices with the end position sensor like marquise or garage door When initializing such devices the correct time needed to move from one end position to the opposite one is measured After that the user is able to fully open close the device or stop in any position between The programmable week calendar is included as well The last group of units are the detectors These simple devices can be installed to the door or window frames so the user can simply check whether it is closed or not Another type of this sensor is a motion detector All these units are supposed to be used together with other devices For example such detector can turn on the alarm in
3. International Journal of Control and Automation Vol 4 No 3 September 2011 Wireless Control of Intelligent Houses David Kubat Martin Drahansky Jiri Konecny Department of Intelligent Systems Faculty of Information Technology Brno University of Technology Bozetechova 2 612 66 Brno Czech Republic ikubat fit vutbr cz drahan fit vutbr cz 2 ELKO EP s r o Palackeho 493 769 01 Holesov Czech Republic konecny elkoep cz Abstract This article describes the principles and capabilities of the new intelligent electronic household control system called RF Control The main part is focused on the RF Touch control unit its functions and programming options for the connected devices Keywords Control device electronic house intelligent remote RF touch unit wireless 1 Introduction RF Touch is a new product of the company ELKO EP This company provides intelligent electronic systems and solutions for a comfortable household control RF Touch is the main control unit of the new wireless system generation called RF Control How this unit and the entire system work and what are its capabilities will be described in this article 2 RF Control System This RF control system 1 allows the user to control and maintain the entire building from lights and sun blinds through heating system to garage door and garden swimming pool Every RF unit connected to some specific device like light switch or heating thermoregu
4. ance This solution is based on wireless communication between its components The key role in this system has the main touch screen control unit which manages all the connected peripheries and allows their programming The RF Control system increases the living comfort and security in small houses or flats as good as in bigger residences Fig 5 Visualization of a RF Control system utilization 3 Acknowledgments This research and development has been done under the support of the project MPO FR TI1 392 Multimedial and wireless extension intelligent electroinstallation INELS FIT S 11 1 Advanced secured reliable and adaptive IT and CEZ MSMT MSM0021630528 Security Oriented Research in Information Technology References 1 Wang S Intelligent Buildings and Building Automation Spon Press London and New York 2009 p 264 ISBN 978 0415475716 2 RF Control and RF Touch product pages http www elkoep com rf touch 5 cited on 2011 06 19 3 ELKO EP s r o RF Touch control unit user manual Holesov 2010 p 36 126
5. case of an unauthorized intrusion Fig 3 RF unit examples 2 a 6 channel multifunctional switch b sun blinds actuator c thermoregulator head d various detectors There is one last programmable function in the RF Control system which is called the fast control 3 This feature unites various units from all the categories listed above in order to execute several commands by only one touch For example in the movie scenario the sun blinds are closed the lights are darkened to some low level brightness level and the room temperature 1s slightly increased 4 Remote Controllers Last pieces of hardware in the RF Control system are additional remote controllers there are two types of them 2 The first one is small and often paired with a single RF unit This is 125 International Journal of Control and Automation Vol 4 No 3 September 2011 called RF Key and for instance can be carried with the car key to open and close the garage door 3 a b Fig 4 RF remote controller examples 2 a RF Pilot b RF Key The second one is called RF Pilot It is much bigger has its own OLED display and a 4 way control button This device partly doubles the main RF Touch control unit so it can be placed in any room in the house to ensure even more comfortable control from any place the user needs 5 Conclusion In this paper we have presented a new intelligent system for easy building mainten
6. he items and the main thing to program their function and behavior more in the next chapter In the standby mode the screen shows a big clock along with actual date and some more predefined information fields like inside outside temperature running heating program etc In addition some more common tools like calendar calculator or message board can be displayed and used Last interface included is a micro SD card reader so the user can backup his programs update the unit firmware or load some more GUI skins ATIN f j an eo N A R ae i Fig 2 RF Touch control unit 124 International Journal of Control and Automation Vol 4 No 3 September 2011 3 2 Device Programming As it is mentioned above there are various types of connected units in the RF Control system These RF units can be thematically divided into five groups 3 heating switching lights sun blinds and detectors Each of these categories has a little bit different control interface and also can be programmed in a different way The heating group contains various thermal sensor and heat regulator units logically divided into rooms so the system can keep the desired temperature in every room included In the initial mode there are 3 schemes predefined economic common and party each of them adjusted to a different temperature which can be changed Second mode is called heating program and allows the user to set different
7. lator is communicating with the RF Touch control unit by a wireless protocol so there 1s no need to damage the walls and strain new wires when installing the system The RF units are mounted between the original switch and the device so the function of the primary switch is preserved 3 RF Touch Control Unit The heart of the system is the RF Touch control unit which identifies all connected peripheries based on their name and physical address and keeps a list of them sorted in various categories based on the theme of their role in the system e g lights or heating This main unit 3 communicates with the peripheries sometimes called actuators and is responsible for all the actions taken in the system These actions may be invoked either by the user himself sending real time commands from any control device connected or triggered automatically depending on any behavior scheme programmed in the device 123 International Journal of Control and Automation Vol 4 No 3 September 2011 Command to execute function RFSA 62B Rie d hutte Function execution feedback RFJA 128 wn sede rete TT control RF Pilot A Q e d Transmitter communication heating with actuators Yy RFTC 10 G U fr DETECTORS a Measures temperature in the space and sends the data to RF Touch Ga lt t P A RFSA 61B S R a N Wy The detector senses N Ge movement and switches K ty on o Q Og erves to extenc 7 e M
Download Pdf Manuals
Related Search