• 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 present invention relates to control devices for fireplaces. In particular, the present invention relates to a control device for fireplaces suitable for detecting a different flow of combustion gases, said control device comprising an infrared temperature sensor located in the floor plate of the fireplace. More specifically, the present invention relates to a control device that is more user-friendly and reliable.
    公开号:BE1019247A3
    申请号:E2010/0154
    申请日:2010-03-09
    公开日:2012-05-08
    发明作者:Reinhild Roland
    申请人:Vero Design N V；
    IPC主号:
    专利说明:

    INFRARED CONTROL FIRE FOR FIREPLACES Field of the invention
    The present invention relates to a control device and to fireplaces. In particular, the present invention relates to an open fire control device suitable for detecting a different stream of combustion gases, said control device comprising an infrared temperature sensor located in the floor plate of the fireplace. More specifically, the present invention relates to fireplaces comprising a control device that is more user-friendly and reliable.
    BACKGROUND OF THE INVENTION
    Gas fires are being installed more and more. Combustion gases are produced during the combustion of the gas in the fireplace. A flue discharges the combustion gases into the outside air, usually based on their rise capacity, also known as the stack effect, or the combustion gases can be "evacuated" with the help of a fan. Since combustion gases are carbon monoxide and other dangerous compounds correct draft, and the supply of replacement air is very important, which is why a dangerous situation arises when the exhaust of combustion gases is impeded. Obstruction of combustion gases can be the result of an accidentally closed smoke barrier in the chimney, a fallen chimney or a bird's nest that was built on top of the chimney The legislation already requires control equipment and closed gas appliances.
    The use of control device and for fireplaces is well known, Control device and are marketed that alarm or shut off the gas flow in the event of a deviating temperature, i.e. a too high temperature, or a deviating flow of combustion gases.
    Contemporary control device and are placed in the hood or chimney of a fireplace. There are four clear disadvantages in this regard. First and foremost, the control device is located directly above the fire. Due to the resulting extreme heat, the control device must be shielded, which increases costs and damages the dimensions of the fireplace as a whole. Secondly, the control device in the hood or chimney must be connected over a long distance to the floor plate of the fireplace under which the gas supply control valves are located, which requires additional heat insulation and which results in additional costs and what more prone to errors. Third, the connection of the control device in the hood or chimney and the control valves influences the design and construction of the fireplace, such as a free-hanging hood. Fourthly, maintenance and repair, as well as construction, is very demanding because the hood or chimney must be operated with regard to the control device, while, moreover, working under the floor plate of the fireplace with regard to the gas pipes and the control valves which be put into operation by the inspection body.
    Hence, there is a need in the art to improve control equipment and for fireplaces.
    The present invention overcomes these drawbacks by providing a fireplace control device suitable for detecting a different stream of combustion gases, said control device comprising an infrared temperature sensor located in the floor plate of the fireplace and a target area located in the hood or the chimney.
    Summary of the invention
    The present invention relates to a fireplace (1) comprising a floor plate (2), a hood (3) and / or chimney (9), a heating element (5) and a control device (6), wherein said heating element ( 5) is located in said floor plate (2), characterized in that said control device (6) is located in said floor plate (2) next to said heating element (5), said control device being an infrared temperature sensor (IR sensor) ), wherein said IR sensor measures radiation emitted or reflected by a target area (7) within the detection field of the IR sensor (FOD; 8), said FOD (8) being directed to the target area (7 ) located in the hood (3) or chimney (9) of said fireplace (1).
    The present invention further relates to a fire place control device suitable for detecting a different stream of combustion gases, wherein said fireplace comprises a floor plate and a hood and / or flue, wherein a heating element is located in said floor plate, wherein said control device comprises an infrared temperature sensor (IR sensor), said IR sensor measuring radiation emitted or reflected by a target area within the detection field (FOD) of the IR sensor, characterized in that said control device is located adjacent to said heating element in said floor plate of said fireplace, and said FPS is directed to the target area located in the hood or flue of said fireplace.
    Detailed description of the invention
    The present invention relates to an open fire control device suitable for detecting a different stream of combustion gases, said control device comprising an infrared temperature sensor located in the floor plate of the fireplace, the control device being user-friendly and is reliable. The present invention thus also provides fireplaces comprising control devices to detect a different stream of combustion gases. The control device is assembled in the floor plate or the fireplace of fireplaces. This assembly offers easy access and a cost reduction.
    The fireplaces (1) of the invention are preferably open fireplaces, e.g. a fireplace that is open at least on one side (A), and which are well known in the art. In the fireplace, the fire is provided by a heating element (5), also known as a firebox or firebox. The firebox is covered by a hood (3) that extends into a chimney (9). The combustion of fuel, such as oil, coal, gas, firewood, petroleum, provides fire, heat and hot combustion gases, also called flue gases (X). The space inside the chimney (9), flue (4) discharges the hot flue gases (X) into the outside air. Due to the stack or chimney effect, cold ambient air (Y) enters the fireplace (1), and the hood (3) and the chimney (9) cool. If the flue or exhaust channel of the flue gases is obstructed (Z), these flue gases cannot escape through the flue (4), they prevent cold ambient air (Y) from entering and the temperature to rise. The control device (6) detects the increase in temperature and triggers an alarm and / or shuts off the fuel supply.
    Accordingly, in a first aspect, the present invention relates to a fireplace (1) comprising a floor plate (2), a hood (3) and / or chimney (9), a heating element (5) and a control device (6). ), wherein said heating element (5) is located in said floor plate (2), characterized in that said control device (6) is located in said floor plate (2) adjacent to said heating element (5), said control device being a infrared temperature sensor (IR sensor), wherein said IR sensor measures radiation emitted or reflected by a target area (7) within the detection field of the IR sensor (FOD; 8), said FOD (8) being directed at the target area (7) [measuring point] located in the hood (3) or chimney (9) of said fireplace (1) (see Figure 1).
    In a preferred embodiment, the fireplace is a gas fireplace, including a gas-fired open fireplace.
    Accordingly, the present invention relates to a fireplace where the heating element is a gas heater. Gas heaters are preferably supplied with fuel via gas pipes (12). To check the operation of the fireplace, checking fuel is essential. The check of gas or liquid flows can be carried out by valves (13).
    Accordingly, the present invention relates to a fireplace further comprising a gas line and a valve for controlling the gas flow in said gas line (check valve).
    The valves can function manually and / or automatically. In a preferred embodiment, the check valve is coupled to the check device (14) such as via wiring. When the control device detects an increase in temperature, the control device cuts off the fuel supply, such as the gas supply, via a control valve. Accordingly, the present invention relates to a fireplace as described herein, wherein said control device closes said control valve when an increase in temperature is detected, such as a temperature above a set threshold temperature.
    To have easy access to the heating element and the fuel supply, such as gas line (s), control device and / or control valve (s), the floor plate (2) can further comprise a hatch (10) (see Figures 2 and 3). It will be appreciated that the control device can be placed in the hatch (10).
    The control device according to the invention comprises an infrared temperature sensor (IR sensor), wherein said IR sensor measures or detects radiation emitted or reflected by a target area (7) within the detection field of the IR sensor (FOD; 8 ), wherein said FPS (8) is targeted at the target area (7). Typically, the IR sensor is mounted in a housing that prevents scattered radiation from reaching the IR sensor. IR sensor is often mounted in a housing such as a TO-5 that has a window located in front of the IR sensor and which is transparent or at least partially transparent to the target radiation. Preferably, each of these components must have the same uniform temperature. A lens can be placed in front of the IR sensor, or the IR sensor can work without a lens (pinhole imaging). The FPS determines the size of the target area that is viewed by the IR sensor. The FPS extends continuously until it reaches a fixed goal. For example, the FPS can be between 28 ° half angle and 4 ° half angle. The operating temperature of the control device will normally be between 800 ° C and 0 ° C. A short reaction time is preferred, such as, for example, less than 1 second. In general, the control device is set to a threshold temperature. In other words, a temperature that exceeds the threshold temperature triggers the alarm and / or cuts off the fuel supply. The skilled person will appreciate that the set threshold temperature depends on the target area. A suitable threshold temperature can be about 60 ° C, 65 ° C, 70 ° C, 75 ° C, 80 ° C, 85 ° C, 90 ° C, 95 ° C, or even higher temperatures. Wireless IR sensors are well known in the art, such as quantum detectors and thermal detectors. The latter detectors absorb the incident radiation, and the temperature of the detector increases or decreases until it comes into quasi-equilibrium with the radiation that is absorbed. Thermodetectors include, for example, thermopile detectors, pyroelectric detectors, and bolometers. In general, the detected radiation is limited to a fairly narrow spectral bandwidth due to optical elements placed in the path of the radiation.
    The control device preferably comprises an outer housing that is heat resistant, while also the IR sensor is usually thermally insulated to reduce heat conduction and to increase the temperature change as practical. Suitable insulation material is well known in the art, such as, for example, asbestos, fiber silicate, glass wool, fiber wool or promatect. The control device can be mounted on or in the floor plate in any known manner, including magnets, if applicable. Nevertheless, it is preferable that the control device is located in or sunk in the floor plate, not only for aesthetic reasons but also for maintenance and durability.
    Most surfaces emit the radiation uniformly over the hemisphere that lies before them (Lambertian emission). Radiation that comes from a surface includes not only those emitted by the surface, but also those that are emitted. is reflected by the surface. Accordingly, in a preferred embodiment, the present invention relates to a target area that is opaque or non-reflective in the bandwidth of the IR sensor.
    The control device may comprise an alarm device that triggers a certain acoustic and / or visual alarm when a temperature increase is detected, such as a temperature above a set threshold temperature.
    Although the control device can operate on batteries, it is preferred that the control device operate on normal alternating current.
    In a preferred embodiment the target area (7) is located at an edge (3 ') of the cap (3), preferably said edge (3') projects outwards. In that case, the target area is less subject to extreme temperature changes, compared to, for example, directly above the fire. As a result, the sensitivity of the system increases as the threshold temperature or the maximum temperature can be set lower. More preferably, said target area is located at an edge (3 ") of the hood (3) on the open side (A) of the fireplace (1). In a further preferred embodiment, the control device (6) is located in the outer edge (2 ') of the floor plate (2), whereby furthermore easy access and maintenance is supported. As shown in Figure 1, the control device (6) is even more preferably located in the outer edge (2 ') of the floor plate (2), substantially vertically below the target area (7) located at an edge (3') of the hood (3) on the open side (A) of the fireplace (1).
    In a further aspect, the present invention relates to an open fire control device suitable for detecting a different stream of combustion gases, wherein said fireplace comprises a floor plate and a hood and / or a smoke channel, wherein a heating element is located in said floor plate said control device comprising an infrared temperature sensor (IR sensor), said IR sensor measuring radiation emitted or reflected by a target area within the detection field (FOD) of the IR sensor, characterized in that said sensor control device is located adjacent to said heating element in said floor plate of said fireplace, and said FPS is directed to the target area located in the hood or flue of said fireplace.
    Brief description of the Figures
    Figure 1 illustrates a side view of an open fireplace (1) comprising a control device (6) located in the outer edge (2 ') of a floor plate (2), located substantially vertically below the target area (7) at an edge ( 3 ') of the hood (3) on the open side (A) of the fireplace (1).
    Figure 2 illustrates a top view of the floor plate (2) of an open fireplace (1), comprising a heating element (5), a hatch (10) and a control device (6).
    Figure 3 illustrates a front view of an open fireplace (1) comprising a hood (3), a base (11) and a floor plate (2), which includes a heating element (5), a hatch (10) and a control device ( 6).
    权利要求:
    Claims (10)
    [1]
    An open fire (1) comprising a floor plate (2), a hood (3) and / or chimney (9), a heating element (5) and a control device (6), said heating element (5) being located in said floor plate (2), characterized in that said control device (6) is located in said floor plate (2) adjacent to said heating element (5), said control device comprising an infrared temperature sensor (IR sensor), wherein said IR sensor measures radiation emitted or reflected by a target area (7) within the detection field of the IR sensor (FOD; 8), said FOD (8) being directed to the target area (7) located in the hood (3) or chimney (9) of said fireplace (1).
    [2]
    The fireplace according to claim 1, wherein the heating element is a gas heater.
    [3]
    The fireplace according to claim 2, further comprising a gas line (12) and a valve (13) for controlling the gas flow in said gas line (check valve).
    [4]
    The fireplace according to claim 3, wherein said control device is coupled (14) to said control valve.
    [5]
    The fireplace according to claim 4, wherein said control device closes said control valve when an increase in temperature is detected.
    [6]
    The fireplace according to any of claims 1 to 5, wherein said target area is opaque.
    [7]
    The fireplace according to any of claims 1 to 6, wherein said target area (7) is located at the edge (3 ") of said hood (3).
    [8]
    The fireplace according to any of claims 1 to 7, wherein said control device (6) is located in the outer edge (2 ') of a floor plate (2), located substantially vertically below the target area (7) at an edge (3 ') of the hood (3) on the open side (A) of the fireplace (1).
    [9]
    The fireplace according to any of claims 1 to 8, wherein said control device further comprises an alarm element, said alarm element alarming when an increase in temperature is detected.
    [10]
    10. Fireplace control device suitable for detecting a different stream of combustion gases, wherein said fireplace comprises a floor plate and a hood and / or a smoke channel, wherein a heating element is located in said floor plate, said control device being an infrared temperature sensor (IR sensor), wherein said IR sensor measures radiation emitted or reflected by a target area within the detection field (FOD) of the IR sensor, characterized in that said control device is located next to said heating element in said floor plate of said fireplace, and said FPS is directed to the target area located in the hood or flue of said fireplace.
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    同族专利:
    公开号 | 公开日
    DE102010010847A1|2010-10-07|
    AT508214A1|2010-11-15|
    CH700519A2|2010-09-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    NL9201252A|1992-07-13|1994-02-01|Quadrato Beheermaatschappij B|Gas-fired open furnace |
    DE19911190C1|1999-03-12|2000-07-13|Friedhelm Schwaetzer|Monitoring device used for monitoring waste gas from open hearths has a heat shield distanced from the chimney wall in the direct sensor surrounding arranged between the open fire and the sensor|
    JP2006029690A|2004-07-16|2006-02-02|Matsushita Electric Ind Co Ltd|Gas cooking device|
    KR20040085117A|2004-09-07|2004-10-07|형 수 전|a gas interrupt apparatus of gas range|
    JP2007200262A|2006-01-25|2007-08-09|Toshihide Yoshida|Flame monitor alarm for gas combustion|
    法律状态:
    2012-09-30| RE| Patent lapsed|Effective date: 20120331 |
    优先权:
    申请号 | 申请日 | 专利标题
    EP09154795|2009-03-10|
    EP09154795|2009-03-10|
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