DE102017128411A1 - Door guard device - Google Patents

Abstract

The invention relates to a door guard device (1) for monitoring an emergency exit door for unauthorized walking. The door monitoring device (1) has an alarm transmitter (22) which emits an optical and / or acoustic alarm in the case of an unauthorized inspection of the door (11).
In order to enable simple installation and robust operation of the door monitoring device (1), it is proposed that the door monitoring device has a housing (21) which is detachably connectable to an adapter (3) and designed such that the housing (21) is for attachment on a door handle (12) of the emergency exit door (11) on the adapter (3) can be pushed and reversibly connected by rotation with the adapter (3) and / or latched.

Description

The invention relates to a door monitoring device for monitoring an emergency exit door according to the features of the preamble of claim 1.

In practice, such door guard devices are used to monitor emergency exit doors, which are usually not committed or only committed by authorized persons. Such door guard devices detect movement of a door latch and sound an alarm when an unauthorized person operates the door handle to open the door. It is essential that the monitored door can be committed at any time and can serve as an emergency exit.

The document DE10 2011 110 850 A1 shows such a door guard device. On the door of an emergency exit door, a housing is arranged resting. The housing has a pivotable housing seal, which is pivoted into a vertical position and engages with its top under the handle of the door to lock an operation of the handle. When the door is opened, this housing latch is moved, triggering an alarm.

The DE10 2009 047 852 A1 also shows a door guard device for monitoring an emergency exit door. Again, a housing is provided, which is mounted on a wing of a door, in the region of a door latch. The housing has a pivotable lever, which is brought from below to the door handle. When the doorknob is actuated, this lever is moved, whereupon an alarm is triggered.

A disadvantage of these known devices is the increased installation costs. In particular, an assembly must take place on the door leaf of the door leaf. As a result, a processing of the door panel and usually a hole for screwing the housing on the door panel is necessary.

The present invention has for its object to provide a door guard device that is easy to assemble and at the same time is reliable in operation. In particular, no interference with the door leaf or the door leaf of the door to be monitored during installation should be necessary.

This object is achieved by a door guard device with the features of claim 1.

It is envisaged that the housing can be connected to the adapter such that the housing can be pushed onto the adapter for attachment to the movable handle and can be connected and / or latched by rotation with the adapter.

The door guard device for monitoring an emergency exit door has a housing in which a power supply and a position detection device are arranged. In the housing, an optical and / or acoustic alarm is also included. Further, an adapter is provided which is firmly connected to a movable handle of the emergency exit door. About the adapter, the attachment of the housing of the door guard device to the handle. An attachment of the door guard device to the door of the emergency exit door is not required. As a result, it is also possible to use the door guard device for monitoring fire doors, as during drilling a hole or processing of the door panel is not necessary. About the adapter nevertheless a secure attachment is created.

The door guard device is provided for monitoring an emergency exit door or escape door. As a power supply, in the housing of the door guard device, a replaceable battery or a rechargeable battery can be used. The position detection device is designed to detect an inclination of the housing. The tilt detection may be designed to detect a tilt in one or more axes. Upon actuation of the handle is automatically that connected to the movable handle housing, the door guard device moves, so for example tilted or tilted. About the position detection device, this movement is detected to generate a corresponding alarm signal. By means of the alarm signal, an optical and / or acoustic alarm transmitter of the housing is activated. The alarm is in particular a combined optical and acoustic alarm. The alarm device may include, for example, a flash lamp or LED lamp, as well as a signal generator, for example, a piezo signal generator.

The handle for actuating the emergency exit door or escape door can be designed as a conventional door handle for actuating a door lock. Alternatively, the handle for actuating the emergency exit door can also be designed as a so-called pushbar or panic push rod.

The adapter, for attaching the housing to the handle, is designed as a mechanical adapter. The attachment of the adapter on the handle can be done for example by clamping or gluing or screwing. The adapter can be designed in two parts or foldable. The attachment of the housing to or with the adapter can either be designed as a releasable attachment or as a permanent attachment. For fixing the adapter is provided in particular that the adapter is first attached to the handle. Subsequently, the housing is pushed onto the adapter, in particular pushed in a straight line and then rotated until the housing snaps securely. The connection between housing and adapter can be done for example by a manually überdrückbare latching. Alternatively, this connection can also be done by a non-releasable locking.

In a tampering attempt, i. in an attempt to loosen the housing from the adapter, it is first necessary to rotate the housing. This rotation is detected by the position detection device, so that an alarm is triggered in such a sabotage attempt. Even if an attempt is made to pull the housing together with the adapter from the door handle, the position detection device is sensitive enough to detect such a change in position or movement of the housing and to give an alarm. This ensures a safe and reliable operation of the door guard device, as well as a complete monitoring of the door.

In one embodiment, it may be provided that the adapter is designed as a sleeve which can be inserted into a cavity of the movable handle and whose inner recess is designed to be complementary to the shape of the housing in order to receive the housing or at least part of the housing. This allows the attachment of the housing of the door guard device in a space which is arranged in the interior of the door handle. The space can for example completely accommodate the housing or enclose only a portion of the housing.

In an alternative embodiment it can be provided that the adapter is designed as a sleeve which can be pushed onto the movable handle, whose inner recess is designed to be complementary to the shape of the movable handle and the outer shape of the sleeve forms a circular contour in order to support the housing. In this embodiment, the attachment of the housing takes place on the outside of the adapter, or on the outside of the doorknob. The housing is designed so that the adapter and or the door handle is encompassed by the housing.

In one embodiment, it may be provided that the adapter is integrally formed with the movable handle.

In this embodiment, the installation of the door guard device takes place in such a way that a standard handle is exchanged for a handle with adapter. Then the housing can be connected to the adapter.

In one embodiment, it can be provided that the movable handle is designed as a door latch and the adapter has an adapter groove or adapter nose extending in an axial direction of the door latch or obliquely to the axial direction of the door latch, which cooperates with a housing nose or housing groove formed on the housing to allow sliding or insertion of the housing on the adapter in the direction of the axial extent of the door handle. In this case, it can also be provided that the adapter has a second adapter groove or second adapter nose extending along its outer contour, which is arranged obliquely or at right angles to the first groove and cooperates with a housing nose or housing groove formed in the housing, in order to rotate the housing relative to to allow the adapter. Through the interaction of the groove and the nose, a mechanical guidance of the housing on the adapter and at the same time a stable mounting of the housing takes place.

For example, it can be provided that the adapter has a latching device, which engages überdrückbar in an end position of the housing with the housing nose or the housing groove. The latching device may, for example, have a resilient latch which cures or grips the groove of the housing and / or the adapter.

In one embodiment, it is preferably provided that a control device is provided, which is connected to an arming unit to switch the optical and / or audible alarm or the door guard device and / or disarmed sharp. The control device may be designed as a discretely wired electronic control or, for example, have a microprocessor. As an armature unit, for example, a conventional key switch or an electronic code input or code reading unit can be used. The code input can be done for example via a keyboard or a contactless readable code carrier. Arming / disarming may, for example, also be performed by a radio module (e.g., Bluetooth, Wlan, or IoT).

In an intended application, secured via the door guard device emergency exit door can be committed by authorized persons without triggering an alarm. For this purpose it is possible to open the door with the help of a key and the door lock. Alternatively, with the help of a key instead of the opening on the lock cylinder of the door lock and the arming device operated be to turn the door guard device for a certain adjustable period of time or permanently inactive, so to suppress the alarm. Instead of a mechanical key, a code carrier, preferably an RFID tag or a magnetic card can be used to switch the door guard device for a certain period of time or permanently inactive. Alternatively or additionally, a radio module (eg Bluetooth, Wlan, or loT) can be used for release.

In particular, it is provided that the position detection device has a tilt sensor and / or an acceleration sensor and / or a sabotage sensor and evaluates its signal to pivot and / or rotate and / or open the housing and / or when disconnecting the housing from the adapter to give an alarm signal. About the tilt sensor or acceleration sensor, a movement of the housing can be detected. This makes it possible to detect an actuation of the door handle. About the sabotage sensor, which detects, for example, a separation of housing and adapter, a sabotage attempt can be detected. The sabotage sensor can be designed, for example, as a microswitch or as a position sensor and arranged between adapter and housing in order to detect a removal of the housing from the adapter.

The alarm signal of the position detection device can trigger the visual and / or audible alarm. Alternatively or additionally, the alarm signal can be forwarded to a remote location, such as a control device or a remote alarm or a central office. The forwarding may be done, for example, by a radio module (e.g., Bluetooth, Wlan, or IoT).

In particular, it can be provided that the position detection device generates various alarm signals, preferably alarm signals comprising a pre-alarm signal and / or a main alarm signal and / or sabotage alarm signal. The pre-alarm is triggered when the handle is operated by a small distance or a small angle is pivoted. In particular, it is provided that the path of actuation during which the pre-alarm is triggered by programming the position detection device is vorgehbar. The pre-alarm is used to warn a user of the accidental entry of the door, and thus the triggering of the main alarm. The pre-alarm may be, for example, a soft acoustic signal and / or an optical signal. If, during the actuation of the handle, the distance to trigger the pre-alarm is exceeded, in particular if the handle of the door is moved so far to open or commit the door, the triggering of a main alarm takes place. The main alarm is characterized by a loud audible signal and a clearly audible visual signal. This main alarm is used to alert even more distant people to an unauthorized walk on the door.

The pre-alarm can be terminated automatically by releasing the handle again. The main alarm remains in contrast to the pre-alarm even after releasing the handle either permanently or for a certain particular adjustable period exist.

In one embodiment, it can preferably be provided that the door monitoring device has a wireless interface, in particular a WLAN interface. It can be provided that a transmitter device or transceiver device or a Bluetooth interface is provided to transmit a status signal and / or an alarm signal wirelessly to a remote control center and / or wirelessly receive control commands from a remote control center.

In order to create a universal expandability, it may be provided in one embodiment that the housing has one or more installation spaces for receiving a module or several modules, wherein a module accommodated in the installation space or the modules received electrically connected to the control device and / or position detection device and / or power supply is connected or are.

By module or modules are understood to be self-contained units, which can be used or removed as a whole in the housing. Different modules are provided, each differing in their operation. The housing may optionally be extended with a single module, with a functionality extended or with several different modules, to allow several additional functionalities.

1. a) Kein Ausgang
2. b) Gesperrt
3. c) Notausgang
4. d) Pin Code für
   • - Kurzzeitfreigabe
   • - Dauerfreigabe
   • - Aktivierung (Scharfschaltung)
   • - Deaktivierung (Unscharfschaltung)

For example, a module can be configured as a status display module in order to visually distinguish different status messages. It can be provided that the status display module has an alphanumeric and / or graphical display to display status messages in plain text and / or as a graphical symbol. Possible indications or instructions of the status module can be eg one or more signals from the following list:

1. a) No exit
2. b) Locked
3. c) emergency exit
4. d) pin code for
   • - Short-term release
   • - Continuous release
   • - Activation (arming)
   • - deactivation (disarming)

A comfortable operation results in that it can be provided in one embodiment that the display is designed as a touch-sensitive screen or touch screen and the input means are designed and displayed as touch-sensitive buttons on the display or touchscreen. Via the touch screen, the displays can be made in an easily understandable way. Possible entries or switching commands can be made in an ergonomically favorable manner, in particular via user-controlled menus.

To reduce the consumption of electrical energy can be provided, for example, that a module is designed as a motion sensor to activate the control device and / or position detection device and / or the status display module when approaching a person, preferably for a predetermined period of time to activate.

Furthermore, it can also be provided that a module is designed as an input module and has input means for inputting a release request or an emergency call or a switching command or an access code. A release request can be entered, for example, if a person who has no authorized code carrier, that is, for example, does not have a key for deactivating the doorkeeper device, would still like to trigger the door without triggering an alarm. Then, a release request is made, which is transmitted to a remote control center. At the control center, an operator decides on the authorization of the access. For the release of the access, the alarm output can be switched off for a certain period of time, from the control panel, so that the door can be opened without alarm.

In one embodiment, it can also be provided that a module is designed as a reading device of a code carrier, preferably as an RFID reading device or as a magnetic card reading device. For example, an authorized person can enter his code via the code carrier in order to commit the door without an alarm. Alternatively, it can also be provided via the code carrier, the door guard device switched armed or disarmed or a triggered alarm is reset. In particular, several different codes are provided, connected to different authorization levels.

In order to transmit alarm signals in remote locations, it can be provided that a module is designed as a GSM module to submit status messages or alarm messages as SMS.

An application of the door guard device is provided to secure larger building complexes. Such building complexes usually include several escape doors or emergency doors, as well as a central office from which an access control control takes place.

In order to increase the reliability of the door guard device may also be provided that the door guard device has a self-checking function. For example, in a combination of several door guard device with each other and or with a control center by issuing regular signals, the operational readiness of each door guard device can be queried. This can be done by regularly recurring signals or by specific queries individual door guard devices. If one of the signals fails, the control center can generate an error signal to indicate an error in the corresponding door guard device.

• 1 eine schematische Ansicht einer Türwächtervorrichtung an einer zu überwachenden Türe;
• 2 eine Ansicht des Gehäuses der Türwächtervorrichtung;
• 3 eine Ansicht eines Adapters einer Türwächtervorrichtung;
• 4 ein schematisches Schaltbild der Türwächtervorrichtung.

Further embodiments and examples of the invention are shown in the figures and described below. Showing:

• 1 a schematic view of a door guard device on a door to be monitored;
• 2 a view of the housing of the door guard device;
• 3 a view of an adapter of a door guard device;
• 4 a schematic diagram of the door guard device.

In the figures, an embodiment of the door monitoring device according to the invention is exemplified. The 1 shows an emergency exit door 11 with a rotatable door wing located in the closed position, which has a door handle 12 can be opened. The door handle 12 operates a mortise lock arranged in the door leaf, ie the latch and / or the latch of the mortise lock are retracted by actuation of the door handle, so that the door leaf 11 can be opened. At the door handle 12 is the door guard device 1 attached. The door guard device 1 has a housing 21 which one on the doorknob 12 is deferred and encloses this. On the case 21 The door guard device is a combined optical and acoustic alarm transmitter 22 arranged. The housing 21 has a viewing window 22 on by a flashing light of the alarm in case of alarm 22 through.

The door guard device does not prevent the commission of the door, ie an opening of the door is possible at any time, so that it can serve as an emergency exit. On an inspection of the emergency exit door in an emergency, the doorknob of each person can 12 be pressed to open the door. The door handle pivots 12 downward. This pivoting movement is by the position detection device 25 the door guard device 1 recognized. Then an alarm signal is generated and the visual and audible alarm 22 gives an alarm signal for a previously adjustable duration.

If an authorized person wants to open the door, no alarm should be triggered. This person can open the door 11 optionally with a key on the door lock open without the door handle 12 to operate or disarm the door guard device.

In the 2 That's the door handle 12 dissolved housing 21 the door guard device 1 shown. The housing 21 is designed as a closed housing, for example made of a plastic or a metal. Inside the case 21 is a space available in which individual functional components are included.

The housing 21 the door guard device 1 will with the help of in 3 illustrated adapter on the door handle 12 attached. The adapter 3 is designed as a round sleeve. He has in its interior a recess 33 on, whose diameter matches the outer diameter of the doorknob 12 is adjusted. The adapter 33 is with the doorknob 12 mechanically firmly connected, for example by clamping screws and / or by gluing. The outside of the adapter 3 comprises a first groove, which serves as a longitudinal groove 31 is formed, and an orthogonal to the longitudinal groove 31 extending second groove, as a transverse groove 32 is trained.

The housing 21 has in its interior a corresponding, on the outer diameter of the adapter 3 coordinated, recording with a housing nose on. The housing nose becomes when fixing the housing 21 on the adapter 3 first along the longitudinal groove 31 inserted and then by turning the housing along the transverse groove 32 turned. The housing nose of the housing 21 is arranged such that the housing 21 in a horizontal orientation on the adapter 3 is pushed and then rotated by 90 ° in a vertical position (as in 1 shown) is spent.

In the 4 is a schematic representation of the in the housing 21 the door guard device 1 shown existing components. The door guard device 1 has a power supply 23 on, which is designed for example as a battery or a rechargeable battery. The power supply 23 is with the other electrical functional components of the door guard device 1 connected and supplies them with electrical energy.

In addition, in the housing 21 a control device 24 and a position detecting device connected thereto 25 arranged. The position detection device 25 has a tilt sensor 28 on to a movement of the case 21 to detect. The control device 24 is with the optical-acoustic alarm 22 as well as with a transceiver 27 connected. The electrical connection of the components with each other can be done via a conventional wiring or a bus system 26 respectively.

As in 4 is shown, the door guard device 1 with a remote control center 4 communicate wirelessly. This is done via the transceiver 27 temporarily a radio connection to the control center 4 built around by either the transceiver 27 to send alarm signals to the central control unit or to receive control commands from the central control unit. For example, it is possible via a single control center 4 several door guard devices 1 to control. For example, a single control center 4 arm or disarm several of these wirelessly connected doorkeeper devices. It is also intended that via the control center 4 The status of individual door guard devices can be monitored and queried wirelessly. For example, the state of the power supply or the operational readiness of a door guard device can be wirelessly queried and displayed via the control center.

LIST OF REFERENCE NUMBERS

1

Door guard device

11

door

12

door handle

21

casing

22

optical and acoustic alarm device

23

Power supply / battery

24

control device

25

Position detection device

26

Connection line / bus

27

transceiver

28

tilt sensor

3

adapter

31

first adapter groove

32

second adapter groove

33

inner recess

4

control Center

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 102011110850 A1 [0003]
• DE 102009047852 A1 [0004]

Claims (22)

Door monitoring device for monitoring an emergency exit door, having a housing (21) in which a power supply (23) and a position detection device (25) and an optical and / or audible alarm (22) are received, and with an adapter (3) with a movable handle (12), with the aid of the emergency exit door can be committed, is firmly connected, characterized in that the housing (21) with the adapter (3) is connectable such that the housing (21) for attachment to the movable Handle (12) on the adapter (3) can be pushed and connected by rotation with the adapter (3) and / or latched. Door monitor device after Claim 1 , characterized in that the adapter (3) as in a cavity of the movable handle (12) insertable sleeve is formed, the inner recess to the shape of the housing (21) is complementary to the housing (21) or at least a part of the housing. Door monitor device after Claim 1 or 2 , characterized in that the adapter (3) as a two-piece adapter (3) or as a hinged adapter (3) is formed. Door monitor device after Claim 1 , characterized in that the adapter (3) as on the movable handle (12) slidable sleeve is formed, the inner recess (33) to the shape of the movable handle (12) is complementary and the outer shape of the sleeve has a circular contour formed to support the housing (21). Door monitoring device according to one of Claims 1 to 4 , characterized in that the adapter (3) with the movable handle (12) is integrally formed. Door monitoring device according to one of Claims 1 to 5 , characterized in that the movable handle (12) is designed as a door latch and the adapter (3) in an axial direction of the door handle (12) or obliquely to the axial direction of the door handle (12) extending adapter groove (31) or Adapternase which interacts with a housing nose or housing groove integrally formed on the housing (21) in order to enable the housing (21) to be slid or pushed onto the adapter (3) in the direction of the axial extension of the door latch (12). Door monitor device after Claim 6 , characterized in that the adapter (3) has a second adapter groove (32) or second adapter nose extending along its outer contour, which is arranged obliquely or at right angles to the first groove (31) and with a housing nose or housing formed in the housing (21) Housing groove cooperates to allow rotation of the housing (21) relative to the adapter (3). Door monitor device after Claim 6 or 7 , characterized in that the adapter (3) has a latching device which engages in an end position of the housing (21) überdrückbar with the housing nose or the housing groove. Door monitoring device according to one of the preceding claims, characterized in that a control device (24) is provided, which is connected to an arming unit to the optical and / or acoustic alarm (22) to arm and / or disarm. Door monitoring device according to one of the preceding claims, characterized in that the position detection device (25) has a tilt sensor (28) and / or an acceleration sensor and / or a sabotage sensor and evaluates the signal to a pivoting and / or rotating and / or opening the Housing (21) and / or when disconnecting the housing (21) from the adapter (3) emit an alarm signal. Door monitoring device according to one of the preceding claims, characterized in that the position detection device (25) generates different alarm signals, preferably alarm signals comprising a pre-alarm signal and / or a main alarm signal and / or sabotage alarm signal. Door monitoring device according to one of the preceding claims, characterized in that a transmitter device or transceiver device (27) or a Bluetooth interface is provided to transmit a status signal and / or an alarm signal wirelessly to a remote control center (4) and / or by a remote control unit (4) wirelessly receive control commands. Door monitoring device according to one of the preceding claims, characterized in that the housing (21) has one or more installation spaces for receiving a module or a plurality of modules, wherein a module accommodated in the installation space or more of the recorded modules is electrically connected to the control device (24) and / or position detection device (25) and / or power supply (23) is connectable or are. Door monitor device after Claim 13 characterized in that a module is designed as a status display module to display different status messages optically distinguishable. Door monitor device after Claim 14 , characterized in that the status display module has an alphanumeric and / or graphical display to display status messages in plain text and / or as a graphic symbol. Door monitoring device according to one of Claims 13 to 15 , characterized in that a module is designed as a motion detector to activate the control device and / or position detection device and / or the status display module when approaching a person, preferably for a predetermined period of time to activate. Door monitoring device according to one of Claims 13 to 16 , characterized in that a module is designed as an input module and having input means for inputting a release request or an emergency call or a switching command or an access code. Door monitoring device according to one of Claims 15 to 17 , characterized in that the display is designed as a touch-sensitive screen or touch screen and the input means are designed and shown as touch-sensitive buttons on the display or touchscreen. Door monitoring device according to one of Claims 13 to 18 , characterized in that a module is designed as a reading device of a code carrier, preferably as an RFID reading device or as a magnetic card reading device. Door monitoring device according to one of Claims 13 to 19 , characterized in that a module is designed as a GSM module to submit status messages or alarm messages as SMS. Device for securing escape doors comprising at least one control center (4) and at least two door monitoring devices (1) connected to the control center (4) according to one of the preceding claims, which are connected to the control center (4). Door device comprising an emergency exit door (11) with a door lock and with a handle (12) for actuating the door lock and a door guard (1) connected to the handle according to one of Claims 1 to 20 ,

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