EP2993650A1 - Sensor device - Google Patents
Sensor device Download PDFInfo
- Publication number
- EP2993650A1 EP2993650A1 EP15183478.5A EP15183478A EP2993650A1 EP 2993650 A1 EP2993650 A1 EP 2993650A1 EP 15183478 A EP15183478 A EP 15183478A EP 2993650 A1 EP2993650 A1 EP 2993650A1
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- EP
- European Patent Office
- Prior art keywords
- sensor device
- housing
- sensor
- window
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000006870 function Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000011514 reflex Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
Definitions
- the invention relates to a sensor device designed as a door or window sensor of a building monitoring system or as a component of a home automation system according to claim 1.
- the invention relates to the field of building surveillance by a surveillance system, e.g. in the form of an alarm system.
- a surveillance system e.g. in the form of an alarm system.
- door or window contacts which can detect an open door or an open window by mechanical sensing by means of a switch contact or by magnetically actuated reed contacts.
- magnetically operating door or window contacts are widespread, but have the disadvantage that always two components are to be mounted, namely the door or window contact and a cooperating magnet. This is associated with a certain assembly effort.
- the magnet must be aligned accurately. It may also happen that the magnet is removed during cleaning, damaged or incorrectly replaced after being detached.
- the commonly used neodymium magnets are expensive and questionable from an environmental point of view, since they are among the rare earths.
- the invention is therefore based on the object to provide an improved door / window contact or generally speaking a corresponding sensor device, which is not associated with such disadvantages.
- a sensor device designed as a door or window sensor of a building monitoring system or as a component of a home automation system, which is set up to issue a warning signal when a door or window monitored by the sensor device by means of a sensor element is opened or opened is, wherein the sensor device is designed as a self-sufficient, compact unit with a housing which is to be mounted on the door frame of a door to be monitored or the window frame of a window to be monitored, wherein the sensor device has at least one reflective light barrier as a sensor element, for the emission of light is formed from a housing side of the sensor device.
- the warning signal accordingly indicates that the door monitored by the sensor device or the window is opened or opened.
- the building monitoring system may then issue the warning signal e.g. for triggering an alarm, for storage as part of a data logger function and / or for forwarding to the police or to a security service.
- the invention has the advantage that only one component is to be mounted, namely the sensor device according to the invention. Additional parts, as previously the magnet omitted, and must therefore not be mounted.
- the function and the monitoring security of the building monitoring are improved with the sensor device according to the invention, because instead of the previous magnetic monitoring principle now by the use of a reflex light barrier, also called reflex coupler, an optical monitoring principle is proposed.
- the novel monitoring principle of the sensor device according to the invention is less prone to installation tolerances and in particular less susceptible to subsequent influences eg by cleaning, since it can not happen that the otherwise required additional magnet is lost, because he is not required here.
- a retro-reflective sensor typically has at least one light source, e.g. in the form of an LED, and at least one light sensor, e.g. in the form of a phototransistor, a photodiode or a photoresistor.
- the sensor device has a data transmission unit integrated in the housing, wherein the sensor device for wireless transmission of the warning signal when a door or window monitored by the sensor device by means of a sensor element is opened or opened by means of the Data transmission unit is arranged at a remote from the sensor device building monitoring system.
- the data transmission unit may e.g. be designed as an optical data transmission unit, e.g. for transmitting the warning signal or other data via light signals with visible or invisible light, e.g. by means of infrared light.
- the data transmission unit is designed as a radio-data transmission unit.
- This has the advantage that even larger distances or distances to the building monitoring system, in which there is no optical contact between the sensor device and the building monitoring system, can be overcome in the data transmission.
- already standardized radio protocols and radio frequencies can be used, such as e.g. 868.3 MHz with a receiver of category SRD Category 2.
- the sensor device for data transmission via the radio data transmission unit is set up with a duty cycle limited to a maximum value, in particular a duty cycle of up to 1%.
- the duty cycle is understood to mean the maximum transmission time of a sensor device in a predetermined period of time, for example in one hour.
- a duty cycle limited to a value of 1% a sensor device is therefore allowed to transmit only a total of 1% of this time period in the predetermined period of time, thus for a period of one hour for 36 seconds.
- a sensor device may not transmit until the predetermined period has expired and a new period begins.
- the radio data transmission unit has an antenna which is laid in the housing, in particular angled several times. This has the advantage that the antenna is optically hidden and does not interfere.
- an antenna receiving channel may be provided in the housing in which the antenna is to be laid. This has the advantage that the antenna is always routed to a defined location and can not leave this position.
- the reflected light barrier is designed as an infrared reflected light barrier. This has the advantage that the light emitted by the sensor device is not perceived by persons. In addition, this can improve the interference immunity of the sensor device compared to the visible light.
- the sensor device is designed as a microprocessor-controlled sensor device which has at least one microprocessor and is configurable via the microprocessor in terms of their functionality.
- a microprocessor in this case, any electronic component understood that has a microprocessor, is designed as such or has such a function, in particular microcontroller, microcomputer, FPGAs, ASICs.
- the sensor device has at least one operating element that can be actuated by a user.
- the control element may e.g. as a pushbutton or as a contactless contact, e.g. be designed as a magnetically actuated contact.
- a learning mode of the sensor device can be activated via the operating element, in which the functionality of the sensor device can be configured.
- This has the advantage that the learning mode of the sensor device can be activated in a simple manner by a user simply activating the operating element.
- a further advantage is that a very user-friendly type of configuration of the functionality of the sensor device can be realized by the learning mode.
- the sensor device may also include one or more output elements, e.g. Light sources or other output units, via which the user feedback on the operating status of the sensor device can be given.
- output elements e.g. Light sources or other output units
- the sensor device has at least one sabotage contact, by means of which it can be detected whether the housing of the sensor device has been opened or removed.
- This has the advantage that even a possible manipulation of the sensor device does not remain undetected, but can be detected by the sensor device by the sabotage contact.
- the sensor device can emit a sabotage signal, which is eg transmitted as the warning signal to the building monitoring system and processed accordingly, eg for generating an alarm, for data logging and / or information the police or other security forces.
- the sensor device has a self-monitoring unit which is set up for self-monitoring of the sensor device and is set up to output an error code in the case of a detected error of the sensor device.
- the sensor device itself can perform certain minimum monitoring, e.g. in terms of their own components.
- the sensor means e.g. the function of the retro-reflective sensor are monitored, e.g. whether the light source is still functional. It is also possible to monitor the data transmission unit for the correct function.
- the status of an electrical energy source of the sensor device can be monitored, i. H. it can e.g. information about an undervoltage or a weak battery is output.
- the error codes may be e.g. be output by means of a light source of the sensor device in the form of a blink code.
- the sensor device is set up for pulsed actuation of the light source of the reflected light barrier and for checking whether the light received via the light sensor of the reflected light barrier coincides substantially or completely with the pulsed actuation of the light source.
- Actuation of the light source is understood to mean switching on the light source.
- This has the Advantage that electrical energy is saved by the pulsed operation, in comparison to a continuous operation of the light source.
- This is particularly advantageous in the case of an energy source integrated in the housing of the sensor device, for example in the form of a rechargeable battery or a battery.
- this allows a security check to be carried out as to whether the light received by the light sensor matches the light emitted by the light source, at least in terms of time. If this is not the case, an error can also be detected by the sensor device and output.
- the sensor device is arranged to modulate the light emitted by the light source of the reflected light barrier according to a predetermined code and to check whether the light received via the light sensor of the reflected light barrier has a modulation with a coding that the given code corresponds.
- a pulse code may be used as a predetermined code, in particular a code with varying encryption.
- the sensor device is set up to emit the warning signal when, in the case of a substantially or completely unactuated light source of the reflected light barrier, the light received via the light sensor of the reflected light barrier exceeds a specific threshold value.
- the sensor device has an electrical energy source for supplying electrical energy to the electronic components of the sensor device.
- the electrical energy source may e.g. be designed as a battery or accumulator, or as a solar cell or as a combination thereof. Batteries are known to be rechargeable, batteries not.
- the senor device is set up to operate with a single-cell battery as an electrical energy source.
- a battery change is simplified because only a single battery cell is to be replaced.
- the space required for the electric power source is thereby relatively low, because e.g. a slim battery can be used, e.g. in the form of an AA or AAA cell.
- the sensor device has an integrated in the housing electrical energy source with downstream step-up converter for the electrical power supply of the electronic components of the sensor device.
- This has the advantage that even with an electrical energy source having a relatively low nominal voltage, such as a single battery cell or single solar cell, commercially available electronic components can be operated with higher nominal voltage.
- the step-up converter also called boost converter
- a microprocessor of the sensor device which itself has a low power requirement, such as For example, a 32-bit microcontroller with Cortex-M technology from Energy Micro.
- the step-up converter is arranged with respect to the wireless data transmission unit and / or the antenna in the housing, that interference of the step-up converter are minimized in the base of the antenna.
- the housing is formed at least in two parts with a lower housing part which accommodates an electronic unit of the sensor device and an upper housing part designed in the form of a cap which can be placed on the lower housing part, the housing having at least one optically transparent one Area for the emission of the light of the light source of the reflected light barrier and the reception of its reflections.
- the housing can also be easily mounted and dismounted by the user, e.g. to make a battery change.
- the monitoring of the window or door by the sensor means can be readily accomplished through the closed housing by providing the optically transmissive region there, e.g. in the form of a transparent area.
- Such a closed housing has the advantage that the components arranged therein are well protected against environmental influences.
- the sensor device comprises a plurality of housing upper parts designed in the form of cover caps, of which in each case an upper housing part is to be connected to the lower housing part at the user's option.
- cover caps can be provided for different applications, for example, cover caps of different colors, in order to adapt the external appearance of the sensor device to the interior of a room or the color of a door or window to which the sensor device is to be mounted.
- the housing has, as a further housing component, an inner covering cap which covers at least the electronic unit in the housing, wherein the inner covering cap is substantially or completely covered by the upper housing part thereof.
- the inner cap is optically transparent, e.g. transparent. This has the advantage that the reflected light barrier can still exert its optical monitoring function through the inner cap.
- the housing has a battery compartment, into which a replaceable battery can be used as an electrical energy source of the sensor device. This has the advantage that the battery can be easily changed by the user.
- the housing has a substantially or completely cuboidal outer contour. This has the advantage that the sensor device looks good Adapts to normal door and window sash and is relatively inconspicuous.
- the largest external dimension (for example the length) of the housing is at least five times as large as the smallest external dimension (for example the width or height) of the housing.
- the largest outer dimension of the housing is at least five times as large as the second smallest outer dimension of the housing.
- an electrical energy source of the sensor device is arranged in the housing in the direction of the largest external dimension of the housing behind the electronic components of the sensor device.
- FIG. 1 shows a top view of a sensor device 1, which has a housing formed from a lower housing part 2, a formed in the form of a cap upper housing part 3 and an inner cap 7 housing.
- the upper housing part 3 is not placed on the lower housing part 2.
- the inner cap 7 is fixed to the lower housing part 2.
- the housing is essentially divided into a region 5, in which an electrical energy source 4 is arranged, and a region 6, in which the electronic unit of the sensor device 1 is arranged.
- the region 5 may be formed, for example, as a battery compartment, in which a battery is arranged as an electrical energy source 4.
- the area 6 is arranged behind the area 5. This area 6 is covered by the inner cap 7.
- the inner cap 7 has an optically transmissive region 8, behind which the reflex light barrier of the sensor device 17 is arranged.
- the optically transmissive region 8 may in particular consist of transparent material. It may also consist of the entire inner cap 7 made of optically transparent and especially transparent material.
- the sensor device 1 has in the area 6 a manually operated control element 11, eg in the form of a teach-in button. In this area, display elements of the sensor device may also be located, for example in the form of light sources such as LEDs. In particular, a multi-color LED can be arranged there. Furthermore, a tamper contact 9 is provided in the area 6.
- the upper housing part 3 is designed as a substantially closed, open only at the bottom component.
- the cap 3 has an opening 12, through which the operating element 11 can be actuated when the cap 3 is placed on the lower housing part 2.
- the signals of the display elements can be visually perceived from the outside through the opening 12.
- the sensor device 1 has an antenna receiving channel 10 for an antenna of the sensor device 1, wherein the antenna receiving channel 10 may be formed in particular as a groove-shaped recess in the inner cap 7.
- screw holes 13 are provided in the housing lower part 2 in the region 5 below the energy source 4.
- FIG. 2 shows two variants of the mounting of the sensor device 1 in the vicinity of a window sash 20.
- Die FIG. 2a shows a variant in which the sash 20 has a window handle 21 on the left side
- the FIG. 2b a window sash 20 with a window handle 21 on the right side.
- the sensor device 1 is attached to the frame 22 of the window, or in the case of a door on the frame.
- the sensor device 1 with pointing to the right optically transparent Region 8 is attached, in the variant according to FIG. 2b with the optically transmissive region 8 pointing to the left.
- the light emitted by the reflex light barrier through the optically transparent region 8 radiates against the adjacent edge surface of the window frame 20 and is reflected by it. This will be explained below with reference to the FIG. 5 explained in more detail.
- FIG. 3 and FIG. 4 show the sensor device 1 in different isometric views with further details.
- the attachment of the sensor device 1 to the window frame or a door frame can be done as mentioned by means of screws through the screw holes 13.
- an attachment via double-sided adhesive tape 30 can take place.
- the upper housing part 3 has a recess 31, which receives the optically transparent region 8 when placed on the lower housing part 2.
- latching hooks 90 arranged on the lower housing part 2, which in conjunction with latching recesses 32 arranged in the interior of the housing upper part 3 form a latching connection between the housing lower part 2 and the housing upper part 3, so that the housing upper part 3 is securely fastened to the housing lower part 2 for one Changing the battery but can easily be removed again.
- the FIG. 5 shows the sensor device 1 with the lower housing part 2 with removed upper housing part 3, the in FIG. 5 not shown.
- the sensor device 1 radiates via the reflected light barrier light 51 through the optically transmissive region 8 on the window sash 20.
- Reflected by the sash 20 light 52 strikes through the optically transmissive region 8 on the light sensor of the reflected light barrier.
- the window sash 20 itself does not have sufficient optical reflection properties, for example, because it is made of light-absorbing material or designed in a light-absorbing color, a reflector element 53 can be attached to the window sash 20 or to a door.
- the reflector element 53 may be formed, for example, in the form of a piece of adhesive tape or another sticker.
- FIG. 6 shows the internal structure of the sensor device 1 in a schematic representation.
- a microprocessor 60 is present. With this, the control element 11 and the tamper contact 9 are connected. Furthermore, a reflective light barrier 61 is present as the sensor element of the sensor device 1. This has a light source, for example in the form of a light emitting diode, and a light sensor, for example in the form of a phototransistor, a photodiode or a photoresistor.
- the microprocessor 60 is coupled to a radio data transmission unit 62, for example in the form of the radio module TRX868-TFK-SL.
- the microprocessor 60 is further coupled to output means 63, eg in the form of two light-emitting diodes or a duo-color LED. These are structurally arranged in the housing of the sensor device such that their emitted light can be perceived through the opening 12 from the outside.
- the microprocessor 60 and the other components to be supplied with electrical energy are connected to the electrical energy source 4.
- the electrical energy source 4 may be followed by a step-up converter 64, by which a low nominal voltage of the electrical energy source 4 is converted into a higher operating voltage of the microprocessor 60 and other components.
- a voltage of 1.5 V provided by the electrical energy source is converted into a voltage of 3V.
- the electronic unit of the sensor device 1 can, for example, by two separate electrical assemblies (boards) 54, 55 may be formed, which are arranged side by side in the lower housing part 2.
- the radio data transmission unit can be arranged on the module 55.
- the package 55 is connected to an antenna 50 laid in the antenna receiving channel 10.
- the microprocessor and other components can be arranged on the assembly 54.
- the microprocessor 60 may transmit a sabotage signal via the wireless communication unit 62.
- the operating element 11 By means of the operating element 11, a learning function of the sensor device 1 can be activated. Accordingly, the operating element 11 can also be regarded as a configuration button with the aid of which the sensor device can be used, for example. can be trained to a specific building monitoring system or an actuator.
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Abstract
Als Tür- oder Fenstersensor einer Gebäudeüberwachungsanlage und/oder als Komponente eines Hausautomationssystems ausgebildete Sensor-einrichtung, die dazu eingerichtet ist ein Warnsignal abzugeben, wenn eine von der Sensoreinrichtung mittels eines Sensorelements überwachte Tür oder ein Fenster geöffnet ist oder geöffnet wird, dadurch gekennzeichnet, dass die Sensoreinrichtung als autark funktionsfähige, kompakte Baueinheit mit einem Gehäuse ausgebildet ist, das am Türrahmen einer zu überwachenden Tür oder am Fensterrahmen eines zu überwachenden Fensters zu montieren ist, wobei die Sensoreinrichtung als Sensorelement wenigstens eine Reflexlichtschranke aufweist, die zur Abstrahlung von Licht aus einer Gehäuseseite der Sensoreinrichtung ausgebildet ist.Sensor device designed as a door or window sensor of a building monitoring system and / or as a component of a home automation system, which is configured to emit a warning signal when a door or window monitored by the sensor device is opened or opened, characterized in that the sensor device is designed as a self-sufficient, compact unit with a housing which is to be mounted on the door frame of a door to be monitored or on the window frame of a window to be monitored, wherein the sensor device has at least one reflective light barrier as a sensor element, for the emission of light from a housing side the sensor device is formed.
Description
Die Erfindung betrifft eine als Tür- oder Fenstersensor einer Gebäudeüberwachungsanlage bzw. als Komponente eines Hausautomationssystems ausgebildete Sensoreinrichtung gemäß dem Anspruch 1.The invention relates to a sensor device designed as a door or window sensor of a building monitoring system or as a component of a home automation system according to claim 1.
Allgemein betrifft die Erfindung das Gebiet der Gebäudeüberwachung durch eine Überwachungsanlage, z.B. in Form einer Alarmanlage. Zur Überwachung, ob eine Tür oder ein Fenster geöffnet ist, werden üblicherweise sogenannte Tür- oder Fensterkontakte verwendet, die durch mechanische Sensierung mittels eines Schaltkontakts oder durch magnetisch betätigte Reed-Kontakte eine geöffnete Tür oder ein geöffnetes Fenster erkennen können. Insbesondere magnetisch arbeitende Tür- oder Fensterkontakte sind weit verbreitet, haben aber den Nachteil, dass immer zwei Bauteile zu montieren sind, nämlich der Tür- oder Fensterkontakt und ein damit zusammenwirkender Magnet. Dies ist mit einem gewissen Montageaufwand verbunden. Zusätzlich muss der Magnet genau ausgerichtet werden. Es kann außerdem passieren, dass der Magnet bei Reinigungsarbeiten entfernt, beschädigt oder nach einem Ablösen falsch wieder angebracht wird. Zudem sind die häufig verwendeten Neodym-Magnete teuer und aus ökologischer Sicht bedenklich, da sie zu den seltenen Erden zählen.In general, the invention relates to the field of building surveillance by a surveillance system, e.g. in the form of an alarm system. To monitor whether a door or a window is open, usually so-called door or window contacts are used, which can detect an open door or an open window by mechanical sensing by means of a switch contact or by magnetically actuated reed contacts. In particular, magnetically operating door or window contacts are widespread, but have the disadvantage that always two components are to be mounted, namely the door or window contact and a cooperating magnet. This is associated with a certain assembly effort. In addition, the magnet must be aligned accurately. It may also happen that the magnet is removed during cleaning, damaged or incorrectly replaced after being detached. In addition, the commonly used neodymium magnets are expensive and questionable from an environmental point of view, since they are among the rare earths.
Der Erfindung liegt daher die Aufgabe zugrunde, einen verbesserten Tür-/Fensterkontakt oder allgemein gesagt eine entsprechende Sensoreinrichtung anzugeben, die nicht mit solchen Nachteilen behaftet ist.The invention is therefore based on the object to provide an improved door / window contact or generally speaking a corresponding sensor device, which is not associated with such disadvantages.
Diese Aufgabe wird gemäß Anspruch 1 gelöst durch eine als Tür- oder Fenstersensor einer Gebäudeüberwachungsanlage bzw. als Komponente eines Hausautomationssystems ausgebildete Sensoreinrichtung, die dazu eingerichtet ist ein Warnsignal abzugeben, wenn eine von der Sensoreinrichtung mittels eines Sensorelements überwachte Tür oder ein Fenster geöffnet ist oder geöffnet wird, wobei die Sensoreinrichtung als autark funktionsfähige, kompakte Baueinheit mit einem Gehäuse ausgebildet ist, das am Türrahmen einer zu überwachenden Tür oder am Fensterrahmen eines zu überwachenden Fensters zu montieren ist, wobei die Sensoreinrichtung als Sensorelement wenigstens eine Reflexlichtschranke aufweist, die zur Abstrahlung von Licht aus einer Gehäuseseite der Sensoreinrichtung ausgebildet ist.This object is achieved in accordance with claim 1 by a sensor device designed as a door or window sensor of a building monitoring system or as a component of a home automation system, which is set up to issue a warning signal when a door or window monitored by the sensor device by means of a sensor element is opened or opened is, wherein the sensor device is designed as a self-sufficient, compact unit with a housing which is to be mounted on the door frame of a door to be monitored or the window frame of a window to be monitored, wherein the sensor device has at least one reflective light barrier as a sensor element, for the emission of light is formed from a housing side of the sensor device.
Das Warnsignal zeigt dementsprechend an, dass die von der Sensoreinrichtung überwachte Tür oder das Fenster geöffnet ist oder geöffnet wird. Die Gebäudeüberwachungsanlage kann das Warnsignal dann z.B. zur Auslösung eines Alarms, zur Speicherung im Rahmen einer Datenlogger-Funktion und/oder zur Weiterleitung an die Polizei oder an einen Sicherheitsdienst nutzen.The warning signal accordingly indicates that the door monitored by the sensor device or the window is opened or opened. The building monitoring system may then issue the warning signal e.g. for triggering an alarm, for storage as part of a data logger function and / or for forwarding to the police or to a security service.
Die Erfindung hat den Vorteil, dass nur noch ein Bauteil zu montieren ist, nämlich die erfindungsgemäße Sensoreinrichtung. Zusätzliche Teile, wie bisher der Magnet, entfallen und müssen demzufolge nicht montiert werden. Zudem werden die Funktion sowie die Überwachungssicherheit der Gebäudeüberwachung mit der erfindungsgemäßen Sensoreinrichtung verbessert, weil statt des bisherigen magnetischen Überwachungsprinzips nun durch den Einsatz einer Reflexlichtschranke, auch Reflexkoppler genannt, ein optisches Überwachungsprinzip vorgeschlagen wird. Das neuartige Überwachungsprinzip der erfindungsgemäßen Sensoreinrichtung ist weniger anfällig gegenüber Einbau-Toleranzen und insbesondere weniger anfällig gegenüber nachträglichen Einflüssen z.B. durch Reinigungsarbeiten, da es nicht vorkommen kann, dass der sonst erforderliche zusätzliche Magnet verloren geht, denn er ist hier gar nicht erforderlich.The invention has the advantage that only one component is to be mounted, namely the sensor device according to the invention. Additional parts, as previously the magnet omitted, and must therefore not be mounted. In addition, the function and the monitoring security of the building monitoring are improved with the sensor device according to the invention, because instead of the previous magnetic monitoring principle now by the use of a reflex light barrier, also called reflex coupler, an optical monitoring principle is proposed. The novel monitoring principle of the sensor device according to the invention is less prone to installation tolerances and in particular less susceptible to subsequent influences eg by cleaning, since it can not happen that the otherwise required additional magnet is lost, because he is not required here.
Eine Reflexlichtschranke weist typischerweise wenigstens eine Lichtquelle, z.B. in Form einer LED, und wenigstens einen Lichtsensor auf, z.B. in Form eines Fototransistors, einer Fotodiode oder eines Fotowiderstands.A retro-reflective sensor typically has at least one light source, e.g. in the form of an LED, and at least one light sensor, e.g. in the form of a phototransistor, a photodiode or a photoresistor.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung eine in dem Gehäuse integrierte Datenübertragungseinheit aufweist, wobei die Sensoreinrichtung zur drahtlosen Übertragung des Warnsignals, wenn eine von der Sensoreinrichtung mittels eines Sensorelements überwachte Tür oder ein Fenster geöffnet ist oder geöffnet wird, mittels der Datenübertragungseinheit an eine von der Sensoreinrichtung entfernt angeordnete Gebäudeüberwachungsanlage eingerichtet ist. Dies hat den Vorteil, dass die Montage der Sensoreinrichtung weiter vereinfacht wird, da keine Kabel zwischen der Sensoreinrichtung und der entfernt angeordneten Gebäudeüberwachungsanlage verlegt werden müssen. Die Datenübertragungseinheit kann z.B. als optische Datenübertragungseinheit ausgebildet sein, z.B. zur Übertragung des Warnsignals oder anderer Daten über Lichtsignale mit sichtbarem oder unsichtbarem Licht, z.B. mittels Infrarotlicht.According to an advantageous development of the invention, it is provided that the sensor device has a data transmission unit integrated in the housing, wherein the sensor device for wireless transmission of the warning signal when a door or window monitored by the sensor device by means of a sensor element is opened or opened by means of the Data transmission unit is arranged at a remote from the sensor device building monitoring system. This has the advantage that the assembly of the sensor device is further simplified since no cables have to be laid between the sensor device and the remote building monitoring system. The data transmission unit may e.g. be designed as an optical data transmission unit, e.g. for transmitting the warning signal or other data via light signals with visible or invisible light, e.g. by means of infrared light.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Datenübertragungseinheit als Funk-Datenübertragungseinheit ausgebildet ist. Dies hat den Vorteil, dass auch größere Entfernungen oder Strecken zur Gebäudeüberwachungsanlage, bei denen kein optischer Kontakt zwischen der Sensoreinrichtung und der Gebäudeüberwachungsanlage besteht, bei der Datenübertragung überwunden werden können. Zudem können bereits normierte Funkprotokolle und Funkfrequenzen eingesetzt werden, wie z.B. 868,3 MHz mit einem Empfänger der Kategorie SRD Category 2.According to an advantageous embodiment of the invention, it is provided that the data transmission unit is designed as a radio-data transmission unit. This has the advantage that even larger distances or distances to the building monitoring system, in which there is no optical contact between the sensor device and the building monitoring system, can be overcome in the data transmission. In addition, already standardized radio protocols and radio frequencies can be used, such as e.g. 868.3 MHz with a receiver of category SRD
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung zur Datenübertragung über die Funk-Datenübertragungseinheit mit einem auf einen Maximalwert begrenzten Duty cycle eingerichtet ist, insbesondere einem Duty cycle bis zu 1 %. Dies hat den Vorteil, dass der vorhandene Funkkanal gut ausgenutzt werden kann und eine Vielzahl von Sensoreinrichtungen und ggf. weitere den Funkkanal nutzende Einrichtungen gleichzeitig betrieben werden können. Als Duty cycle wird dabei die maximale Sendezeit einer Sensoreinrichtung in einem vorbestimmten Zeitraum, z.B. in einer Stunde, verstanden. Bei einem auf einen Wert von 1 % begrenzten Duty cycle darf eine Sensoreinrichtung somit in dem vorbestimmten Zeitraum nur über insgesamt 1 % dieses Zeitraums senden, somit für 36 Sekunden bei einem Zeitraum von einer Stunde. Bei Erreichen des Maximalwerts darf eine Sensoreinrichtung nicht mehr senden, bis der vorbestimmte Zeitraum abgelaufen ist und ein neuer Zeitraum beginnt.According to an advantageous development of the invention, it is provided that the sensor device for data transmission via the radio data transmission unit is set up with a duty cycle limited to a maximum value, in particular a duty cycle of up to 1%. This has the Advantage that the existing radio channel can be well utilized and a variety of sensor devices and possibly other devices using the radio channel can be operated simultaneously. The duty cycle is understood to mean the maximum transmission time of a sensor device in a predetermined period of time, for example in one hour. With a duty cycle limited to a value of 1%, a sensor device is therefore allowed to transmit only a total of 1% of this time period in the predetermined period of time, thus for a period of one hour for 36 seconds. Upon reaching the maximum value, a sensor device may not transmit until the predetermined period has expired and a new period begins.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Funk-Datenübertragungseinheit eine Antenne aufweist, die in dem Gehäuse, insbesondere mehrfach abgewinkelt, verlegt ist. Dies hat den Vorteil, dass die Antenne optisch verdeckt ist und nicht störend wirkt. In dem Gehäuse kann insbesondere ein Antennenaufnahmekanal vorgesehen sein, in dem die Antenne zu verlegen ist. Dies hat den Vorteil, dass die Antenne immer an einer definierten Stelle verlegt ist und diese Position auch nicht verlassen kann.According to an advantageous embodiment of the invention, it is provided that the radio data transmission unit has an antenna which is laid in the housing, in particular angled several times. This has the advantage that the antenna is optically hidden and does not interfere. In particular, an antenna receiving channel may be provided in the housing in which the antenna is to be laid. This has the advantage that the antenna is always routed to a defined location and can not leave this position.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Reflexlichtschranke als Infrarot-Reflexlichtschranke ausgebildet ist. Dies hat den Vorteil, dass das von der Sensoreinrichtung abgestrahlte Licht von Personen nicht wahrgenommen wird. Zudem kann hierdurch die Störsicherheit der Sensoreinrichtung im Vergleich zum sichtbaren Licht verbessert werden.According to an advantageous embodiment of the invention, it is provided that the reflected light barrier is designed as an infrared reflected light barrier. This has the advantage that the light emitted by the sensor device is not perceived by persons. In addition, this can improve the interference immunity of the sensor device compared to the visible light.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung als mikroprozessorgesteuerte Sensoreinrichtung ausgebildet ist, die wenigstens einen Mikroprozessor aufweist und über den Mikroprozessor hinsichtlich ihrer Funktionalität konfigurierbar ist. Dies hat den Vorteil, dass die Sensoreinrichtung sehr flexibel eingesetzt werden kann und durch ihre Konfigurierbarkeit an verschiedene Einsatzfälle angepasst werden kann. Als Mikroprozessor sei in diesem Fall jedes Elektronikbauteil verstanden, das einen Mikroprozessor aufweist, als solcher ausgebildet ist oder eine solche Funktion hat, insbesondere Mikrocontroller, Mikrocomputer, FPGAs, ASICs.According to an advantageous embodiment of the invention, it is provided that the sensor device is designed as a microprocessor-controlled sensor device which has at least one microprocessor and is configurable via the microprocessor in terms of their functionality. This has the advantage that the sensor device can be used very flexibly and can be adapted by its configurability to different applications. As a microprocessor in this case, any electronic component understood that has a microprocessor, is designed as such or has such a function, in particular microcontroller, microcomputer, FPGAs, ASICs.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung wenigstens ein von einem Benutzer betätigbares Bedienelement aufweist. Dies hat den Vorteil, dass vom Benutzer auf einfache Weise Einstellungen an der Sensoreinrichtung vorgenommen werden können. Das Bedienelement kann z.B. als Taster oder als berührungsloser Kontakt, z.B. als magnetisch betätigbarer Kontakt, ausgebildet sein.According to an advantageous development of the invention, it is provided that the sensor device has at least one operating element that can be actuated by a user. This has the advantage that the user can easily make adjustments to the sensor device. The control element may e.g. as a pushbutton or as a contactless contact, e.g. be designed as a magnetically actuated contact.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass über das Bedienelement ein Anlernmodus der Sensoreinrichtung aktivierbar ist, in dem die Funktionalität der Sensoreinrichtung konfigurierbar ist. Dies hat den Vorteil, dass auf einfache Weise der Anlernmodus der Sensoreinrichtung aktiviert werden kann, indem ein Benutzer einfach das Bedienelement betätigt. Ein weiterer Vorteil ist, dass durch den Anlernmodus eine sehr benutzerfreundliche Art der Konfiguration der Funktionalität der Sensoreinrichtung realisiert werden kann.According to an advantageous development of the invention, it is provided that a learning mode of the sensor device can be activated via the operating element, in which the functionality of the sensor device can be configured. This has the advantage that the learning mode of the sensor device can be activated in a simple manner by a user simply activating the operating element. A further advantage is that a very user-friendly type of configuration of the functionality of the sensor device can be realized by the learning mode.
Die Sensoreinrichtung kann auch ein oder mehrere Ausgabeelemente aufweisen, wie z.B. Lichtquellen oder sonstige Ausgabeeinheiten, über die dem Benutzer eine Rückmeldung über den Betriebsstatus der Sensoreinrichtung gegeben werden kann.The sensor device may also include one or more output elements, e.g. Light sources or other output units, via which the user feedback on the operating status of the sensor device can be given.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung wenigstens einen Sabotagekontakt aufweist, durch den detektierbar ist, ob das Gehäuse der Sensoreinrichtung geöffnet bzw. entfernt worden ist. Dies hat den Vorteil, dass auch eine eventuelle Manipulation der Sensoreinrichtung nicht unerkannt bleibt, sondern von der Sensoreinrichtung durch den Sabotagekontakt erkannt werden kann. Wird durch den Sabotagekontakt detektiert, dass das Gehäuse der Sensoreinrichtung geöffnet bzw. entfernt worden ist, kann die Sensoreinrichtung ein Sabotagesignal abgeben, das z.B. wie das Warnsignal an die Gebäudeüberwachungsanlage übertragen wird und dort entsprechend verarbeitet wird, z.B. zum Erzeugen eins Alarms, zum Datenloggen und/oder zur Information der Polizei oder von sonstigen Sicherheitskräften.According to an advantageous development of the invention, it is provided that the sensor device has at least one sabotage contact, by means of which it can be detected whether the housing of the sensor device has been opened or removed. This has the advantage that even a possible manipulation of the sensor device does not remain undetected, but can be detected by the sensor device by the sabotage contact. Will by the sabotage contact detects that the housing of the sensor device has been opened or removed, the sensor device can emit a sabotage signal, which is eg transmitted as the warning signal to the building monitoring system and processed accordingly, eg for generating an alarm, for data logging and / or information the police or other security forces.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung eine Selbstüberwachungseinheit aufweist, die zur Selbstüberwachung der Sensoreinrichtung eingerichtet ist und bei einem erkannten Fehler der Sensoreinrichtung zur Ausgabe eines Fehlercodes eingerichtet ist. Dies hat den Vorteil, dass die Sensoreinrichtung selbst gewisse Mindestüberwachungen durchführen kann, z.B. hinsichtlich ihrer eigenen Komponenten. So kann durch die Sensoreinrichtung z.B. die Funktion der Reflexlichtschranke überwacht werden, z.B. dahingehend, ob die Lichtquelle noch funktionsfähig ist. Es kann auch die Datenübertragungseinheit hinsichtlich der korrekten Funktion überwacht werden. Ferner kann der Status einer elektrischen Energiequelle der Sensoreinrichtung überwacht werden, d. h. es kann z.B. eine Information über eine Unterspannung oder eine schwache Batterie ausgegeben werden. Auch kann als Fehler überwacht werden, ob die Gebäudeüberwachungsanlage wie vorgesehen auf Kommunikationssignale der Sensoreinrichtung reagiert. Ist dies nicht der Fall, kann dies als Fehler mittels eines Fehlercodes ausgegeben werden. Die Fehlercodes können z.B. mittels einer Lichtquelle der Sensoreinrichtung in Form eines Blinkcodes ausgegeben werden.According to an advantageous development of the invention, it is provided that the sensor device has a self-monitoring unit which is set up for self-monitoring of the sensor device and is set up to output an error code in the case of a detected error of the sensor device. This has the advantage that the sensor device itself can perform certain minimum monitoring, e.g. in terms of their own components. Thus, by the sensor means e.g. the function of the retro-reflective sensor are monitored, e.g. whether the light source is still functional. It is also possible to monitor the data transmission unit for the correct function. Furthermore, the status of an electrical energy source of the sensor device can be monitored, i. H. it can e.g. information about an undervoltage or a weak battery is output. It can also be monitored as an error whether the building monitoring system reacts as intended on communication signals of the sensor device. If this is not the case, this can be output as an error by means of an error code. The error codes may be e.g. be output by means of a light source of the sensor device in the form of a blink code.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung zur gepulsten Betätigung der Lichtquelle der Reflexlichtschranke eingerichtet ist und zur Überprüfung, ob das über den Lichtsensor der Reflexlichtschranke empfangene Licht zeitlich mit der gepulsten Betätigung der Lichtquelle im Wesentlichen oder vollständig übereinstimmt. Als Betätigung der Lichtquelle wird dabei ein Einschalten der Lichtquelle verstanden. Dies hat den Vorteil, dass durch die gepulste Betätigung elektrische Energie gespart wird, im Vergleich zu einer ständigen Betätigung der Lichtquelle. Dies ist insbesondere bei einer im Gehäuse der Sensoreinrichtung integrierten Energiequelle, z.B. in Form eines Akkumulators oder einer Batterie, von großem Vorteil. Zudem kann hierdurch eine Sicherheitsüberprüfung durchgeführt werden, ob das vom Lichtsensor empfangene Licht zu dem von der Lichtquelle abgegebenen Licht passt, zumindest in zeitlicher Hinsicht. Ist dies nicht der Fall, kann ebenfalls von der Sensoreinrichtung ein Fehler erkannt werden und ausgegeben werden.According to an advantageous development of the invention, it is provided that the sensor device is set up for pulsed actuation of the light source of the reflected light barrier and for checking whether the light received via the light sensor of the reflected light barrier coincides substantially or completely with the pulsed actuation of the light source. Actuation of the light source is understood to mean switching on the light source. This has the Advantage that electrical energy is saved by the pulsed operation, in comparison to a continuous operation of the light source. This is particularly advantageous in the case of an energy source integrated in the housing of the sensor device, for example in the form of a rechargeable battery or a battery. In addition, this allows a security check to be carried out as to whether the light received by the light sensor matches the light emitted by the light source, at least in terms of time. If this is not the case, an error can also be detected by the sensor device and output.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung zur Modulation des von der Lichtquelle der Reflexlichtschranke abgegebenen Lichts nach einem vorgegebenen Code eingerichtet ist und zur Überprüfung, ob das über den Lichtsensor der Reflexlichtschranke empfangene Licht eine Modulation mit einer Codierung aufweist, die dem vorgegebenen Code entspricht. Dies hat den Vorteil, dass die Sicherheit gegen Manipulationen weiter erhöht werden kann. Es kann z.B. ein Pulscode als vorgegebener Code verwendet werden, insbesondere ein Code mit variierender Verschlüsselung.According to an advantageous embodiment of the invention, it is provided that the sensor device is arranged to modulate the light emitted by the light source of the reflected light barrier according to a predetermined code and to check whether the light received via the light sensor of the reflected light barrier has a modulation with a coding that the given code corresponds. This has the advantage that the security against manipulation can be further increased. It can e.g. a pulse code may be used as a predetermined code, in particular a code with varying encryption.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung dazu eingerichtet ist das Warnsignal abzugeben, wenn bei im Wesentlichen oder vollständig unbetätigter Lichtquelle der Reflexlichtschranke das über den Lichtsensor der Reflexlichtschranke empfangene Licht einen bestimmten Schwellenwert überschreitet. Dies hat den Vorteil, dass eine zusätzliche Erkennung eines geöffneten Fensters oder einer geöffneten Tür möglich ist. Hierbei ist die Lichtquelle der Reflexlichtschranke nicht eingeschaltet. Dennoch wird in diesen Phasen das über den Lichtsensor empfangene Licht ausgewertet, d. h. die vom Lichtsensor abgegebenen Signale. Zeigen diese Signale an, dass vom Lichtsensor relativ viel Licht empfangen wird, sodass ein bestimmter Schwellenwert überschritten ist, so kann davon ausgegangen werden, dass ein überwachtes Fenster geöffnet ist, in das Sonnenlicht herein scheint, oder dass eine andere Fremdlichtquelle und auf den Lichtsensor trifft.According to an advantageous development of the invention, it is provided that the sensor device is set up to emit the warning signal when, in the case of a substantially or completely unactuated light source of the reflected light barrier, the light received via the light sensor of the reflected light barrier exceeds a specific threshold value. This has the advantage that an additional detection of an open window or an open door is possible. Here, the light source of the reflected light barrier is not turned on. Nevertheless, in these phases, the light received via the light sensor is evaluated, ie the signals emitted by the light sensor. If these signals indicate that the light sensor is receiving a relatively large amount of light, so that a certain threshold is exceeded, it can be assumed that a monitored window is open, into the sunlight seems, or that another external light source and hits the light sensor.
Gemäß einer vorteilhaften Weiterbildung der Erfindung weist die Sensoreinrichtung eine elektrische Energiequelle zur elektrischen Energieversorgung der elektronischen Bauteile der Sensoreinrichtung auf. Auf diese Weise ist die Sensoreinrichtung auch hinsichtlich der Energieversorgung autark und benötigt keine äußeren elektrischen Zuleitungen für die Energieversorgung. Hierdurch wird die Montage der Sensoreinrichtung weiter vereinfacht. Die elektrische Energiequelle kann z.B. als Batterie oder Akkumulator ausgebildet sein, oder als Solarzelle oder als Kombination davon. Akkumulatoren sind bekanntlich wieder aufladbar, Batterien nicht.According to an advantageous development of the invention, the sensor device has an electrical energy source for supplying electrical energy to the electronic components of the sensor device. In this way, the sensor device is self-sufficient with regard to the power supply and requires no external electrical supply lines for the power supply. As a result, the assembly of the sensor device is further simplified. The electrical energy source may e.g. be designed as a battery or accumulator, or as a solar cell or as a combination thereof. Batteries are known to be rechargeable, batteries not.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung zum Betrieb mit einer einzelligen Batterie als elektrische Energiequelle eingerichtet ist. Dies hat den Vorteil, dass ein Batteriewechsel vereinfacht ist, weil nur eine einzige Batteriezelle zu tauschen ist. Zudem ist der Platzbedarf für die elektrische Energiequelle hierdurch relativ gering, weil z.B. eine schlanke Batterie eingesetzt werden kann, z.B. in Form einer AA- oder AAA-Zelle.According to an advantageous development of the invention, it is provided that the sensor device is set up to operate with a single-cell battery as an electrical energy source. This has the advantage that a battery change is simplified because only a single battery cell is to be replaced. In addition, the space required for the electric power source is thereby relatively low, because e.g. a slim battery can be used, e.g. in the form of an AA or AAA cell.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung eine im Gehäuse integrierte elektrische Energiequelle mit nachgeschaltetem Step-up-Wandler zur elektrischen Energieversorgung der elektronischen Bauteile der Sensoreinrichtung aufweist. Dies hat den Vorteil, dass auch mit einer elektrischen Energiequelle, die eine relativ geringe Nennspannung aufweist, wie z.B. eine einzige Batteriezelle oder einzige Solarzelle, handelsübliche elektronische Bauteile mit höherer Nennspannung betrieben werden können. Um lange Betriebszeiten der Sensoreinrichtung bei Verwendung einer Batteriezelle zu realisieren, ist es vorteilhaft, den Step-up-Wandler, auch Aufwärtswandler genannt, mit einem Mikroprozessor der Sensoreinrichtung zu kombinieren, der selbst einen geringen Strombedarf hat, wie z.B. einen 32-bit-Mikrocontroller mit Cortex-M-Technologie der Firma Energy-Micro.According to an advantageous development of the invention, it is provided that the sensor device has an integrated in the housing electrical energy source with downstream step-up converter for the electrical power supply of the electronic components of the sensor device. This has the advantage that even with an electrical energy source having a relatively low nominal voltage, such as a single battery cell or single solar cell, commercially available electronic components can be operated with higher nominal voltage. In order to realize long operating times of the sensor device when using a battery cell, it is advantageous to combine the step-up converter, also called boost converter, with a microprocessor of the sensor device, which itself has a low power requirement, such as For example, a 32-bit microcontroller with Cortex-M technology from Energy Micro.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass der Step-up-Wandler derart bezüglich der Funk-Datenübertragungseinheit und/oder deren Antenne in dem Gehäuse angeordnet ist, dass Einstreuungen des Step-up-Wandlers in den Fußpunkt der Antenne minimiert sind. Dies hat den Vorteil, dass unerwünschte gegenseitige Beeinflussungen zwischen dem Step-up-Wandler und der Funk-Datenübertragungseinheit vermieden werden und eine ungestörte Funk-Kommunikation zwischen der Sensoreinrichtung und der Gebäudeüberwachungsanlage möglich ist.According to an advantageous embodiment of the invention, it is provided that the step-up converter is arranged with respect to the wireless data transmission unit and / or the antenna in the housing, that interference of the step-up converter are minimized in the base of the antenna. This has the advantage that unwanted mutual influences between the step-up converter and the radio data transmission unit are avoided and undisturbed radio communication between the sensor device and the building monitoring system is possible.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Gehäuse wenigstens zweiteilig mit einem Gehäuseunterteil, das eine Elektronikeinheit der Sensoreinrichtung aufnimmt, und einem in Form einer Abdeckkappe ausgebildeten Gehäuseoberteil ausgebildet ist, das auf das Gehäuseunterteil aufsetzbar ist, wobei das Gehäuse wenigstens einen optisch durchlässigen Bereich für die Ausstrahlung des Lichts der Lichtquelle der Reflexlichtschranke und dem Empfang von dessen Reflexionen aufweist. Dies hat den Vorteil, dass das Gehäuse auch vom Anwender einfach montiert und demontiert werden kann, z.B. um einen Batteriewechsel vorzunehmen. Zudem kann die Überwachung des Fensters oder der Tür durch die Sensoreinrichtung ohne Weiteres durch das geschlossene Gehäuse erfolgen, indem dort der optisch durchlässige Bereich vorgesehen ist, z.B. in Form eines transparenten Bereichs. Ein solches geschlossenes Gehäuse hat den Vorteil, dass die darin angeordneten Bauelemente gut vor Umgebungseinflüssen geschützt sind.According to an advantageous development of the invention, it is provided that the housing is formed at least in two parts with a lower housing part which accommodates an electronic unit of the sensor device and an upper housing part designed in the form of a cap which can be placed on the lower housing part, the housing having at least one optically transparent one Area for the emission of the light of the light source of the reflected light barrier and the reception of its reflections. This has the advantage that the housing can also be easily mounted and dismounted by the user, e.g. to make a battery change. In addition, the monitoring of the window or door by the sensor means can be readily accomplished through the closed housing by providing the optically transmissive region there, e.g. in the form of a transparent area. Such a closed housing has the advantage that the components arranged therein are well protected against environmental influences.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Sensoreinrichtung mehrere in Form von Abdeckkappen ausgebildete Gehäuseoberteile aufweist, von denen jeweils ein Gehäuseoberteil nach Wahl des Benutzers mit dem Gehäuseunterteil zu verbinden ist. Dies hat den Vorteil, dass mehrere Abdeckkappen für unterschiedliche Anwendungen bereitgestellt werden können, z.B. Abdeckkappen in unterschiedlichen Farben, um das äußere Erscheinungsbild der Sensoreinrichtung dem Interieur eines Raums oder der Farbe einer Tür oder eines Fensters anzupassen, an der die Sensoreinrichtung montiert werden soll.According to an advantageous embodiment of the invention, it is provided that the sensor device comprises a plurality of housing upper parts designed in the form of cover caps, of which in each case an upper housing part is to be connected to the lower housing part at the user's option. This has the advantage that a plurality of cover caps can be provided for different applications, for example, cover caps of different colors, in order to adapt the external appearance of the sensor device to the interior of a room or the color of a door or window to which the sensor device is to be mounted.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Gehäuse als weiteres Gehäusebauteil eine innere Abdeckkappe aufweist, die zumindest die Elektronikeinheit in dem Gehäuse abdeckt, wobei die innere Abdeckkappe bei aufgesetztem Gehäuseoberteil von diesem im Wesentlichen oder vollständig überdeckt ist. Dies hat den Vorteil, dass die Elektronikeinheit auch bei abgenommenem Gehäuseoberteil, z.B. für einen Batteriewechsel, weiter vor Umgebungseinflüssen geschützt ist. Ein weiterer Vorteil ist, dass die innere Abdeckkappe zugleich zur Führung und Halterung der Antenne der Funk-Datenübertragungseinheit verwendet werden kann, indem darin ein entsprechender Antennenaufnahmekanal zum Verlegen der Antenne vorgesehen ist.According to an advantageous development of the invention, it is provided that the housing has, as a further housing component, an inner covering cap which covers at least the electronic unit in the housing, wherein the inner covering cap is substantially or completely covered by the upper housing part thereof. This has the advantage that the electronics unit can be removed even when the upper housing part has been removed, e.g. for a battery change, further protected from environmental influences. Another advantage is that the inner cap can be used at the same time for guiding and holding the antenna of the radio communication unit by a corresponding antenna receiving channel is provided therein for laying the antenna.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die innere Abdeckkappe optisch durchlässig ist, z.B. transparent. Dies hat den Vorteil, dass die Reflexlichtschranke noch durch die innere Abdeckkappe hindurch ihre optische Überwachungsfunktion ausüben kann.According to an advantageous embodiment of the invention it is provided that the inner cap is optically transparent, e.g. transparent. This has the advantage that the reflected light barrier can still exert its optical monitoring function through the inner cap.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Gehäuse ein Batteriefach aufweist, in das eine auswechselbare Batterie als elektrische Energiequelle der Sensoreinrichtung einsetzbar ist. Dies hat den Vorteil, dass die Batterie vom Anwender leicht gewechselt werden kann.According to an advantageous development of the invention, it is provided that the housing has a battery compartment, into which a replaceable battery can be used as an electrical energy source of the sensor device. This has the advantage that the battery can be easily changed by the user.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Gehäuse eine im Wesentlichen oder vollständig quaderförmige Außenkontur aufweist. Dies hat den Vorteil, dass sich die Sensoreinrichtung optisch gut an übliche Tür- und Fensterflügel anpasst und relativ unauffällig ist.According to an advantageous embodiment of the invention it is provided that the housing has a substantially or completely cuboidal outer contour. This has the advantage that the sensor device looks good Adapts to normal door and window sash and is relatively inconspicuous.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die größte Außenabmessung (z.B. die Länge) des Gehäuses wenigstens fünfmal so groß ist wie kleinste Außenabmessung (z.B. die Breite oder Höhe) des Gehäuses. Dies hat den Vorteil, dass das Gehäuse in einer länglichen schlanken Form bereitgestellt werden kann, so dass die Sensoreinrichtung ein insgesamt relativ unauffälliges, in jedem Fall aber optisch ansprechendes Erscheinungsbild bietet.According to an advantageous embodiment of the invention, it is provided that the largest external dimension (for example the length) of the housing is at least five times as large as the smallest external dimension (for example the width or height) of the housing. This has the advantage that the housing can be provided in an elongate, slender shape, so that the sensor device offers an overall relatively inconspicuous, but in any case visually appealing appearance.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die größte Außenabmessung des Gehäuses wenigstens fünfmal so groß ist wie zweitkleinste Außenabmessung des Gehäuses. Dies hat den Vorteil, dass das Gehäuse in einer länglichen schlanken Form bereitgestellt werden kann, so dass die Sensoreinrichtung ein insgesamt relativ unauffälliges, in jedem Fall aber optisch ansprechendes Erscheinungsbild bietet.According to an advantageous embodiment of the invention, it is provided that the largest outer dimension of the housing is at least five times as large as the second smallest outer dimension of the housing. This has the advantage that the housing can be provided in an elongate, slender shape, so that the sensor device offers an overall relatively inconspicuous, but in any case visually appealing appearance.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass eine elektrische Energiequelle der Sensoreinrichtung in dem Gehäuse in Richtung der größten Außenabmessung des Gehäuses hinter den elektronischen Bauteilen der Sensoreinrichtung angeordnet ist. Dies hat den Vorteil, dass auch durch den inneren Aufbau der Sensoreinrichtung eine Gehäuseformgebung in einer länglichen schlanken Form gefördert wird, was, wie erwähnt, den Vorteil einer unauffälligen Anbringung und eines ansprechenden optischen Erscheinungsbilds bietet.According to an advantageous development of the invention, it is provided that an electrical energy source of the sensor device is arranged in the housing in the direction of the largest external dimension of the housing behind the electronic components of the sensor device. This has the advantage that a housing shape in an elongated slim shape is also promoted by the internal structure of the sensor device, which, as mentioned, offers the advantage of an inconspicuous attachment and an attractive visual appearance.
Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen unter Verwendung von Zeichnungen näher erläutert.The invention will be explained in more detail by means of embodiments using drawings.
Es zeigen
- Figur 1
- eine Sensoreinrichtung in Draufsicht bei abgenommenen Gehäuseoberteil und
Figur 2- zwei Anbringungsmöglichkeiten der Sensoreinrichtung an einem Fenster und
- Figur 3-4
- die Sensoreinrichtung in unterschiedlichen isometrischen Ansichten bei abgenommenen Gehäuseoberteil und
Figur 5- eine vergrößerte Draufsicht auf die Sensoreinrichtung bei abgenommenen Gehäuseoberteil und
Figur 6- den grundsätzlichen Aufbau der Elektronikeinheit der Sensoreinrichtung in Blockschaltbild-Darstellung.
- FIG. 1
- a sensor device in plan view when removed Housing top and
- FIG. 2
- two attachment possibilities of the sensor device to a window and
- Figure 3-4
- the sensor device in different isometric views with removed upper housing part and
- FIG. 5
- an enlarged plan view of the sensor device with removed upper housing part and
- FIG. 6
- the basic structure of the electronic unit of the sensor device in block diagram representation.
In den Figuren werden gleiche Bezugszeichen für einander entsprechende Elemente verwendet.In the figures, like reference numerals are used for corresponding elements.
Die
Das Gehäuseoberteil 3 ist als ein im Wesentlichen geschlossenes, nur an der Unterseite offenes Bauteil ausgebildet. An der in
Die Sensoreinrichtung 1 weist einen Antennenaufnahmekanal 10 für eine Antenne der Sensoreinrichtung 1 auf, wobei der Antennenaufnahmekanal 10 insbesondere als nutenförmige Vertiefung in der inneren Abdeckkappe 7 ausgebildet sein kann.The sensor device 1 has an
Zur Befestigung der Sensoreinrichtung 1 an einem Fenster- oder Türrahmen mittels Schrauben sind im Bereich 5 unterhalb der Energiequelle 4 Schraublöcher 13 in dem Gehäuseunterteil 2 vorgesehen.To fasten the sensor device 1 to a window or door frame by means of screws, screw holes 13 are provided in the housing
Die
Die
Das Gehäuseoberteil 3 weist eine Aussparung 31 auf, die beim Aufsetzen auf das Gehäuseunterteil 2 den optisch durchlässigen Bereich 8 aufnimmt.The
Erkennbar sind ferner mehrere am Gehäuseunterteil 2 angeordnete Rasthaken 90, die in Verbindung mit im Inneren des Gehäuseoberteils 3 angeordneten Rastausnehmungen 32 eine Rastverbindung zwischen dem Gehäuseunterteil 2 und dem Gehäuseoberteil 3 bilden, so dass das Gehäuseoberteil 3 sicher an dem Gehäuseunterteil 2 befestigt ist, für einen Wechsel der Batterie aber leicht wieder davon entfernt werden kann.Also recognizable are a plurality of latching hooks 90 arranged on the
Die
Die
Zur elektrischen Energieversorgung sind der Mikroprozessor 60 und die weiteren mit elektrischer Energie zu versorgenden Bauteile mit der elektrischen Energiequelle 4 verbunden. Der elektrischen Energiequelle 4 kann ein Step-up-Wandler 64 nachgeschaltet sein, durch den eine niedrige Nennspannung der elektrischen Energiequelle 4 in eine höhere Betriebsspannung des Mikroprozessors 60 und weiterer Bauelemente gewandelt wird. So kann z.B. mittels Step-up-Wandlers 64 eine von der elektrischen Energiequelle bereitgestellte Spannung von 1,5 V in eine Spannung von 3 V gewandelt werden.For electrical power supply, the
Die Elektronikeinheit der Sensoreinrichtung 1 kann z.B. durch zwei separate elektrische Baugruppen (Platinen) 54, 55 gebildet sein, die nebeneinander in dem Gehäuseunterteil 2 angeordnet sind. So kann auf der Baugruppe 55 z.B. die Funk-Datenübertragungseinheit angeordnet sein. Dementsprechend ist die Baugruppe 55 mit einer in dem Antennenaufnahmekanal 10 verlegten Antenne 50 verbunden. Auf der Baugruppe 54 können z.B. der Mikroprozessor sowie weitere Bauteile angeordnet sein.The electronic unit of the sensor device 1 can, for example, by two separate electrical assemblies (boards) 54, 55 may be formed, which are arranged side by side in the
Sofern das Gehäuseoberteil 3 abgenommen wird, wird dies durch den Sabotagekontakt 9 erfasst und durch den Mikroprozessor 60 erkannt. Dementsprechend kann der Mikroprozessor 60 über die Funk-Datenübertragungseinheit 62 ein Sabotagesignal aussenden.If the
Mittels des Bedienelements 11 kann eine Anlernfunktion der Sensoreinrichtung 1 aktiviert werden. Dementsprechend ist das Bedienelement 11 auch als Konfigurationstaster anzusehen, mit dessen Hilfe die Sensoreinrichtung z.B. an eine bestimmte Gebäudeüberwachungsanlage oder einen Aktor angelernt werden kann.By means of the operating
Claims (15)
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DE202014104195.8U DE202014104195U1 (en) | 2014-09-05 | 2014-09-05 | sensor device |
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EP2993650B1 (en) | 2014-09-05 | 2020-07-29 | ELV Elektronik AG | Sensor device |
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DE102016212821B4 (en) * | 2016-07-13 | 2019-03-07 | Martin Weinläder | Device for receiving data |
DE202017003794U1 (en) | 2017-07-18 | 2017-08-18 | D:R:O:W: Berlin Verwaltungs UG | System for detecting closing and opening conditions of openings of a room |
CN113433559B (en) * | 2021-06-23 | 2022-09-27 | 西南交通大学 | Infrared measuring device of transformer fire safety margin |
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ES2816775T3 (en) | 2021-04-05 |
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