EP2993650A1 - Dispositif de detection - Google Patents

Dispositif de detection Download PDF

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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
Authority
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
Application number
EP15183478.5A
Other languages
German (de)
English (en)
Other versions
EP2993650B1 (fr
Inventor
Heinz-G. Prof. REDEKER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elv Elektronik AG
Original Assignee
Elv Elektronik AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Elv Elektronik AG filed Critical Elv Elektronik AG
Publication of EP2993650A1 publication Critical patent/EP2993650A1/fr
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Classifications

    • 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
    • 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
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Burglar Alarm Systems (AREA)
EP15183478.5A 2014-09-05 2015-09-02 Dispositif de detection Active EP2993650B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014104195.8U DE202014104195U1 (de) 2014-09-05 2014-09-05 Sensoreinrichtung

Publications (2)

Publication Number Publication Date
EP2993650A1 true EP2993650A1 (fr) 2016-03-09
EP2993650B1 EP2993650B1 (fr) 2020-07-29

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ID=51629372

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EP15183478.5A Active EP2993650B1 (fr) 2014-09-05 2015-09-02 Dispositif de detection

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EP (1) EP2993650B1 (fr)
DE (1) DE202014104195U1 (fr)
ES (1) ES2816775T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2993650B1 (fr) 2014-09-05 2020-07-29 ELV Elektronik AG Dispositif de detection

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DE102016212821B4 (de) * 2016-07-13 2019-03-07 Martin Weinläder Vorrichtung zur Aufnahme von Daten
DE202017003794U1 (de) 2017-07-18 2017-08-18 D:R:O:W: Berlin Verwaltungs UG System zur Feststellung von Schließ- und Öffnungszuständen von Öffnungen eines Raumes
CN113433559B (zh) * 2021-06-23 2022-09-27 西南交通大学 一种变压器消防安全裕度红外测量装置

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WO2001069287A1 (fr) * 2000-03-13 2001-09-20 Renato Prescendo Dispositif antivol pour batiments
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DE202013001605U1 (de) * 2013-02-19 2013-04-05 Simon Müller Vorrichtung zur Überwachung von Gegenständen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2993650B1 (fr) 2014-09-05 2020-07-29 ELV Elektronik AG Dispositif de detection

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Publication number Publication date
EP2993650B1 (fr) 2020-07-29
ES2816775T3 (es) 2021-04-05
DE202014104195U1 (de) 2014-09-17

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