EP4049256A1 - Kompakte sicherheitseinrichtung zur überwachung und steuerung von feuerlöscheinrichtungen - Google Patents
Kompakte sicherheitseinrichtung zur überwachung und steuerung von feuerlöscheinrichtungenInfo
- Publication number
- EP4049256A1 EP4049256A1 EP20793336.7A EP20793336A EP4049256A1 EP 4049256 A1 EP4049256 A1 EP 4049256A1 EP 20793336 A EP20793336 A EP 20793336A EP 4049256 A1 EP4049256 A1 EP 4049256A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- channel
- signal processing
- processing device
- alarm
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 3
- 230000006870 function Effects 0.000 claims description 6
- 230000015654 memory Effects 0.000 claims 1
- 230000007257 malfunction Effects 0.000 description 7
- 239000002826 coolant Substances 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
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- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000005068 cooling lubricant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 239000000779 smoke Substances 0.000 description 1
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- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- 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
- G08B25/004—Alarm propagated along alternative communication path or using alternative communication medium according to a hierarchy of available ways to communicate, e.g. if Wi-Fi not available use GSM
-
- 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
- G08B29/16—Security signalling or alarm systems, e.g. redundant systems
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
Definitions
- the present invention relates to a compact safety device for monitoring and controlling fire extinguishing devices.
- Fire protection equipment must be designed in such a way that the occurrence of a fire is reliably detected under all conceivable circumstances. Furthermore, very high requirements apply to the reliability of such fire protection devices in order to ensure that they function properly in an emergency. In order to meet these requirements, the fire protection devices are usually monitored and controlled by complex computer systems with multiple redundancies.
- the present invention is not concerned with such devices used to protect buildings, but with safety devices for monitoring and controlling fire extinguishing devices in property and equipment protection and in particular with safety devices for monitoring and controlling fire extinguishing devices for machines such as machine tools.
- the invention is described below using machine tools as an example. However, this description is only to be understood as an example and does not restrict the application.
- machine tool is to be understood in particular as machines that are used to machine workpieces, e.g. lathes, milling machines, drilling machines or combined machine tools, which are often referred to as machining centers.
- a suitable extinguishing agent into the machine housing.
- a suitable extinguishing agent is CO 2 , which displaces the oxygen and prevents the supply of oxygen to the source of the fire and which is housed in a pressure bottle, in particular on the machine.
- the present invention is based on the object of providing a compact safety device for monitoring and controlling fire extinguishing devices, in particular for machines, which meets high safety requirements.
- a compact safety device for monitoring and controlling fire extinguishing devices in particular for machine tools, has a signal processing device that processes incoming signals and outputs control signals, a memory device in which a program for controlling this signal processing device is arranged, and an alarm device which is set up to output a warning signal and which is set up to communicate with the signal processing device.
- a signal processing device is understood to mean a device which is set up to receive signals and, depending on the received signals and the programming of the device, generates further signals and transmits them.
- a signal processing device can have one or more program-controlled components.
- the signal processing device can, in particular, have a multi-part structure, the components being coupled together, being implemented one behind the other, being implemented in parallel, or having redundancy.
- a signal is understood to mean a, in particular time-dependent, mechanical, electromechanical and / or electromagnetic state which can be transmitted mechanically, electronically and / or via electromagnetic waves.
- an alarm device is understood to mean a device which is set up to generate an alarm signal.
- An alarm signal is a signal that is set up to initiate safety-relevant steps in order to minimize and / or avoid damage.
- the safety device has at least one first channel which is set up to feed electrical signals to the alarm device while bypassing the signal processing device.
- a channel is understood to be a collection of one or more data connections. These data connections are set up to transfer information.
- the information to be transmitted can be, in particular, but not exclusively, information on the following data: temperature of the machine tool, optical flame detector, position and / or temperature of the tool, position and / or temperature of the workpiece, level and / or temperature of the Coolant, position of the protective doors, status of the locking of the protective doors, temperature of the safety device, battery status of the safety device, switch position of a manual call point, short circuit of a sensor, open circuit of a sensor, status of the suction device, status of a pressure relief valve.
- the information can in particular, but not exclusively, be transmitted mechanically, electronically and / or electromagnetically.
- the at least one first channel has at least one data connection which feeds electrical signals to the alarm device, bypassing the signal processing device.
- This data connection is established via a hardware circuit and is not program-controlled.
- the signals transmitted to the alarm device via this data connection are not influenced by the programming of the signal processing device.
- the safety device has at least one second channel which is set up to supply electrical signals to the alarm device using the signal processing device.
- the at least one second channel has at least one data connection which supplies electrical signals to the alarm device using the signal processing device.
- This data connection sends signals to the signal processing device, which sends signals to the alarm device on the basis of these signals and on the basis of all signals received by the signal processing device and on the basis of the programming of the signal processing device.
- the alarming device outputs a warning signal when the received signal of the at least one first channel and / or the received signal of the signal processing device meets predetermined criteria.
- predetermined criteria can be set in one embodiment, in particular by a user and / or variably.
- a safety device with these features has the advantage that it has a particularly low susceptibility to errors.
- the data connection of the at least one first channel, which feeds signals to the alarming device, bypassing the signal processing device, ensures reliable execution of the alarm regardless of the software settings selected in the control program of the signal processing device.
- the data connection of the at least one second channel, which feeds signals to the alarm device using the signal processing device enables variable signals as well as the combination of several signals to be understood and, on the one hand, enables the number of false alarms to be minimized and, on the other hand, enables an alarm signal to be sent reliably when certain criteria are met.
- the at least one first channel is also set up to supply electrical signals to the signal processing device.
- the signals which the at least one first channel supplies to the signal processing device contain information on the signals which the at least one first channel supplies to the alarming device.
- the signal processing device to evaluate the status of the information that is transmitted via the at least one first channel.
- further safety functions can be controlled by the signal processing device and information on the alarm event can be displayed, in particular by a display and / or at least one warning lamp.
- the at least one first channel has at least one setting device designed as a hardware component which is set up to manipulate the signals to be transmitted through the at least one first channel.
- the adjustment of the first channel is carried out by the adjustment device designed as a hardware component.
- the setting device designed as a hardware component is attached to the safety device in such a way that inadvertent adjustment after the safety device has been put into operation for the first time is prevented.
- the setting device designed as a hardware component can be set to the machine to be monitored when the safety device is installed and prevents subsequent inadvertent adjustment.
- the setting device designed as a hardware component is attached inside a housing of the safety device.
- the setting of the at least one setting device configured as a hardware component is transmitted to the signal processing device.
- the signal processing device is set up to have at least two settings under program control, with a signal whose reception via the at least one second channel triggers a signal to the alarm device when the signal processing device is in the first setting, and no signal or another signal to the alarm device triggers when the signal processing device is in the second setting.
- the alerting device is set up to send a signal to the signal processing device based on the signals sent by the signal processing device and the at least one first channel.
- the alarming device has at least a first section which is set up to receive a signal of the at least one first channel and the signal processing device and to send a signal to the signal processing device, as well as at least one second section which is set up to do so To receive signals of the at least one first channel and the signal processing device and to send a signal to the signal processing device.
- a redundant structure of the alarm device reduces the susceptibility of the safety device to errors.
- a multiple design of the alarm device also makes it possible to integrate different alarm levels, whereby different reactions can be carried out depending on the alarm level.
- the signals that the at least one first section and the at least one second section receive from the at least one first channel or the signal processing device are essentially identical.
- the signals that the at least one first section and the at least one second section receive from the at least one first channel or the signal processing device are independent of one another.
- the safety device can be used in a more variable manner and / or its safety can be increased.
- the signal processing device sends a warning signal if the comparison of the signal sent by the at least one first section and the signal sent by the at least one second section meets certain preset criteria.
- the signal processing device can recognize whether a section of the alarming device has a malfunction and, in the event of a malfunction, output a warning message, in particular via a display and / or a warning lamp.
- the safety device according to the invention is autonomous, i.e. not connected to other safety devices, extinguishing systems or fire alarm devices.
- the safety device is at least partially networked with other safety devices, extinguishing systems or fire alarm devices.
- the safety device can on the one hand receive information on the operating states of other safety devices, extinguishing systems and / or fire alarm devices, in particular on the operating states of other machine tools and / or devices connected to them, and on the other hand can receive information about the safety device itself, in particular the machine tool connected to it other safety devices, extinguishing systems and / or fire alarm devices.
- FIG. 2 shows a further schematic representation of the signal routing and the mode of operation of a further embodiment of the safety device.
- the safety device 1 shows a schematic representation of an embodiment of the safety device 1.
- the safety device 1 receives input signals 100 which are measured in a machine tool.
- the entirety of the input signals 100 is divided into reporting lines 11, 21. Different signal lines can contain common input signals.
- a first alarm line 11 of the input signals 100 is transmitted via at least one first channel 10, which sends signals via a non-program-controlled hardware circuit 30, based on the signals transmitted through the alarm line 11, to an alarm device 50, which in the embodiment shown a first section 51 and a second section 52, preferably with upstream ORing 61 or 62, respectively.
- a second reporting line 21 of the input signals 100 is transmitted to a program-controlled signal processing device 40 via at least one second channel 20.
- the program-controlled signal processing device 40 sends signals, depending on the signals received from the second channel 20 and on the programming of the signal processing device, to the alarm device 50. If the signals sent by the alarm device 50 from the non-program-controlled hardware circuit 30 and from the signal processing device 40 receives, meet certain predetermined criteria, the alarm device 50 sends a warning signal 200.
- the sections 51, 52 of the alarming device 50 receive essentially identical signals from the non-program-controlled hardware circuit 30 or the signal processing device 40.
- a warning signal 200 is already sent out if at least one of the sections 51, 52 of the not -Program-controlled hardware circuit 30 and from the signal processing device 40 receives signals that certain predetermined Fulfill criteria. This redundancy ensures that a warning signal 200 can be generated reliably, even if one of the two sections 51, 52 of the alarm device 50 has an error.
- FIG. 2 shows a schematic representation of a further embodiment of the security device 1.
- This embodiment has a first channel 10 with a first alarm line 11 and four second channels 20 with second alarm lines 21, 22, 23, 24, which feed signals to the security device.
- the signal processing device 40 can activate and deactivate individual channels under program control in order to adapt the safety device 1 to the machine and / or the workpiece to be processed.
- a first channel and a second channel are always active, which monitor the machine independently of one another and, in the event of a fire, can send out signals which ultimately result in a warning signal 200 being sent out by the alarm device 50.
- the signal processing device can be set so that a signal indicating a fire, which is sent via a second alarm line 21, 22, 23, 24 of a second channel, is only interpreted as a fire if this signal has lasted over a certain, preferably adjustable, period of time is sent across, for example over 4 milliseconds or over 120 milliseconds. This avoids false alarms caused by brief disturbances in the sensors or the signal transmission.
- the signal processing device can be set in such a way that a signal indicating a fire, which is sent via a second alarm line 21, 22, 23, 24 of a second channel, is only interpreted as a fire if the signal is repeated in the event of a multiple, in particular chronological sequence , Query was present.
- the signal processing device can be set so that the temperature threshold of temperature sensors, from which a fire is to be recognized, can be changed. Settings can be made for individual second alarm lines 21, 22, 23, 24 of a second channel as well as for a combination of second alarm lines 21, 22, 23, 24 of several second channels by programming the alarm device 50.
- the non-program-controlled hardware circuit 30 is set up to send diagnostic signals to the signal processing device 40. These can contain information about the state of the first channel, such as information about a short circuit or an open circuit in the first channel 10 and the sensor connected to it. Further information can also be used be transmitted to the signals that the non-program-controlled hardware circuit 30 sends to the alarm device 50.
- the upstream OR hardware modules 61, 62 send a signal each time the respective OR module 61, 62 receives a certain signal from the non-program-controlled hardware circuit 30 or a signal from the signal processing device 40, or from both, receives.
- the sections 51, 52 of the alarming device 50 are set up in particular to send diagnostic signals to the signal processing device 40, which can compare the incoming signals from the alarming device 50 and receives information on the functionality of the individual sections 51, 52 of the alarming device 50 from the comparison.
- the signal processing device 40 is further set up to generate multiple output signals 71, 72, 73 based on the signals received through the second alarm lines 21, 22, 23, 24 of one or more second channels and on the diagnostic signals of the alarm device 50 and the non-program-controlled Hardware circuit 30 to be sent out. These signals are used in particular, but not exclusively, to signal a malfunction or operational readiness, to signal a fire alarm and / or to initiate a shutdown that may be necessary for devices, especially suction devices.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Fire Alarms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202019105876.5U DE202019105876U1 (de) | 2019-10-23 | 2019-10-23 | Kompakte Sicherheitseinrichtung zur Überwachung und Steuerung von Feuerlöscheinrichtungen |
PCT/EP2020/079150 WO2021078636A1 (de) | 2019-10-23 | 2020-10-16 | Kompakte sicherheitseinrichtung zur überwachung und steuerung von feuerlöscheinrichtungen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4049256A1 true EP4049256A1 (de) | 2022-08-31 |
Family
ID=72944147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20793336.7A Pending EP4049256A1 (de) | 2019-10-23 | 2020-10-16 | Kompakte sicherheitseinrichtung zur überwachung und steuerung von feuerlöscheinrichtungen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4049256A1 (de) |
DE (1) | DE202019105876U1 (de) |
WO (1) | WO2021078636A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7542721B1 (en) * | 2003-04-08 | 2009-06-02 | At&T Mobility Ii Llc | Systems and methods for providing non-dedicated wireless backup service for monitored security systems via Bluetooth |
DE102004040059A1 (de) * | 2004-08-18 | 2006-02-23 | Siemens Ag | Verfahren und Vorrichtung zur sicherheitsgerichteten drahtlosen Signalübertragung |
US8457589B2 (en) * | 2006-07-18 | 2013-06-04 | At&T Intellectual Property I, L.P. | Alarm systems having multiple communication alternatives for contacting a monitoring service and methods of operating the same |
US20100102951A1 (en) * | 2008-10-29 | 2010-04-29 | Dei Holdings, Inc. | Sharing of a Neighboring Wireless Network |
DE102008058127A1 (de) * | 2008-11-20 | 2010-06-02 | Si-Tech Gmbh | Brandmeldeanlage im Objektschutz |
-
2019
- 2019-10-23 DE DE202019105876.5U patent/DE202019105876U1/de active Active
-
2020
- 2020-10-16 WO PCT/EP2020/079150 patent/WO2021078636A1/de unknown
- 2020-10-16 EP EP20793336.7A patent/EP4049256A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2021078636A1 (de) | 2021-04-29 |
DE202019105876U1 (de) | 2021-01-27 |
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