• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a solar cell-controlled wireless sensor unit (3) for controlling the indoor climate in rooms (19) and where the solar cell (5) is built into the sensor unit and where one and the same solar cell both provides power to the sensor unit and also provides presence detection when a person (4) is in the room. The function of the presence detector is to minimize the energy consumption when the room is unused. The sensor unit sends signals via a radio frequency to a control unit (6) which then controls the valve actuators (7), damper actuators (8) and relays (9) in the control system. See Figure 1. The energy of the solar cell is stored partly with a diode (10) and a capacitor (24) which gives a voltage (15) and partly with a diode (11) and a capacitor (25) which gives a voltage (16). The stored energy in the capacitors ensures the operation of the sensor unit in daylight and even a few days in the dark. The voltage (12) and current emitted by the solar cell (5) are directly affected by the light intensity (Lux value) of the current light source (13). The light source can be, for example, lighting (22) or daylight from windows (21). If a person (4) passes between the solar cell and the light source, the voltage is momentarily lowered and then returns directly to the value that was before the passage. One-moment change also occurs when the lighting is switched on in the room. The momentary change of the voltage (12 and 17) is then also analyzed by the processor (14) which, by the shape of the voltage change, determines whether it originates from a person moving in the room. 1 (1) Same / socketZone Corztro! AB
    公开号:SE1000048A1
    申请号:SE1000048
    申请日:2010-01-19
    公开日:2011-07-20
    发明作者:Rolf Strand
    申请人:Zone Controls Ab；
    IPC主号:
    专利说明:

    TROUBLESHOOTING Increased demands on energy savings mean that you have to manage in a more efficient way than before.
    By lowering the temperature or switching off the heat source during heating, a saving of energy is achieved.
    When cooling, you can raise the setpoint temperature or switch off the cooling unit and thus achieve an energy saving.
    As an example, an office room is rarely used more than 25% of the time because you work 40 hours a week and the week contains 168 hours.
    During 75% of the time, the office space is thus empty. There is a lot of energy to be saved here. During this time, you only need to add energy to protect the room from damage. The system should then be able to quickly reach the desired comfort level when the room is taken into use.
    The same reasoning also applies to private homes. When you work during the day and no one is home, you can save energy by lowering the temperature to a suitable level. If you are away, you can also lower the temperature. Measures to save energy with the control system must be economically defensible. The repayment period must be reasonable.
    Thus, the installation of power lines to the control system often costs 2-3 times more than the control products themselves. Transmitting the control signal via radio signal instead of power lines is therefore cost-saving.
    Therefore, in order to obtain an optimal energy saving at as low an installation cost as possible, a system according to the invention can be used. In this system, the signals are transmitted wirelessly from the sensor unit (3) to a control unit (6) and that the same sensor regulates both the indoor temperature and has presence detection. Normally, t_v_êí devices are required for the same function. See Figure 1.
    During presence detection, the control system is switched on when someone passes the presence sensor, whereby the control system controls to the desired comfort level.
    The system is then normally switched to the save level after the set time.
    Description 2 (5) Zone Control AB The above description of savings are known conditions and are used today in various optimization systems with time control and presence detection.
    LIST OF FIGURES Figure 1 shows a system according to the invention for regulating and presence detection of the indoor climate.
    Figure 2 shows a circuit diagram for the solar cell supply of the sensor unit (3).
    Description 3 (5) Zone C7onlrol .fíß DETAILED DESCRIPTION OF THE INVENTION The invention is based on a wireless room control system according to Figure 1, for indoor climate control in combination with presence detection. The system consists of a sensor unit (3), one or two control units (6) as well as valve actuators (7), damper actuators (8) and relays (9).
    The sensor unit (3) sends signals via a radio frequency to a receiver and control unit (6) which then controls valve actuators (7), damper actuators (8) and relays (9). See Figure 1.
    The sensor unit (3) consists of a solar cell (5), a circuit for storing the solar cell energy according to figure (2), a temperature sensor (18), a processor (14) for processing setpoints and actual values and logic and programs for transmitting and receiving radio signals.
    One or more of your control units (6) communicate with the sensor unit (3) to control valve actuators, damper actuators and relays according to set programs.
    These actuators and relays can have their own power supply of different designs.
    The solar cell (5) has dual functions in the system according to the invention, partly to supply power to the sensor unit (3) and partly to indicate the presence of persons (4) in the room. See Figures 1 and 2.
    The control unit (6) contains a controller function for processing the signal from the sensor unit (3). In another embodiment of the invention, the controller function may be built into the sensor unit (3).
    The solar cell (3) generates current when light hits the solar cell surface. It can be sunlight but also light from indoor lighting. The solar cell is sensitive and momentarily indicates if someone passes between the solar cell and the light source.
    By separating the current supply (12) of the solar cell, via its voltages (15) and (16) to the processor and partly the presence detection of the solar cell by voltage (17), three different voltages are obtained from the solar cell to the processor (14).
    The processor (14) processes these signals and activates the presence function in the event of instantaneous changes that occur, e.g. when a person passes between the light source and the solar cell, or when the light is switched on in the room.
    The presence signal is processed in the processor (14), which then determines whether the size and type of change is due to presence in the room or not. When a person passes between the solar cell and the light source, the voltage drops .Description Zone Control AB 4 (s) (17) momentarily from the solar cell. An instantaneous change also occurs if you enter the room and turn on the lighting. To filter these instantaneous changes, a capacitor (23) is available. This filtering can also be designed in the software of the processor (14). See Figure 2.
    Because the control system indicates presence or non-presence in the room, maximum energy savings can be made.
    When present in the room, the system is controlled according to the set indoor climate level. When the system is controlled at an energy saving level.
    The duration of the presence function can be set to a number of hours after the first presence detection. lšeskrivning Zone (Üønlro / AB s (s)
    权利要求:
    Claims (1)
    [1]
    Patience requirements Sensor unit (3) with solar cell (5), characterized in that the power output of the solar cell is divided into a part for power supply of the sensor unit and a part for presence detection. Sensor unit (3) with solar cell (5) according to claim 1, characterized in that the signal from the sensor unit (3) is transmitted wirelessly to one or fl your receivers, for example a control unit with a built-in controller (6). . Sensor unit (3) with solar cell (5) according to claim 1, characterized in that the signal from the sensor unit (3) is transmitted with electrical wires to one or fl your receivers, for example a control unit with a built-in controller (6). Sensor unit (3) with solar cell (5) according to patent claim 1, characterized in that the signal from the presence detector (17) is processed in the processor (14) for continuous assessment of whether the signal is from personal presence in the room. Sensor unit (3) with solar cell (5) according to claim 1, characterized by the sensor unit has built-in logic. 1 (1) Zone Conirol AB)
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    同族专利:
    公开号 | 公开日
    SE534489C2|2011-09-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1000048A|SE534489C2|2010-01-19|2010-01-19|Sensor unit with solar cell for temperature and presence control|SE1000048A| SE534489C2|2010-01-19|2010-01-19|Sensor unit with solar cell for temperature and presence control|
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