DE102004029655A1 - Fire protection device for personal computer, has construction units that are formed as plug-in module due to their dimension and arrangement and sensor triggering notification and extinguish function simultaneously with certain delay - Google Patents

Abstract

The device has construction units formed as a plug-in module due to their dimension and arrangement. The units are inserted into an equipment e.g. personal computer, which is to be protected. A protection module has a smoke sensor (1) and an evaluation unit for the sensor. The sensor triggers a notification and an extinguish function simultaneously with certain delay after fire recognition over evaluation and control electronics. An independent claim is also included for a method for automatic fire protection of a hard and software electronic device.

Description

Territory of invention

The The invention relates to a device and a method for fire protection electronic devices like PCs, especially according to the preamble of the device claim 1 and method claim 14.

background the invention

It are extinguishing systems for switch cabinets in 19-inch plug-in technology, e.g. For Data centers known. Furthermore, were small extinguishing systems for small test stands, spark erosion systems and comparable machine tools and for ticket machines and the like executed. For PCs and comparable electronic devices are these fire protection systems not suitable.

adversely at these extinguishing systems are their size and manufacturing costs and their installation costs, as their installation requires expertise.

Task of invention

Of the Invention is the object of a safe and cost-effective Fire protection for the Hardware and software of electronic devices, such as PCs to accomplish.

Summary the invention

The Task is solved by the features of the device claim 1.

The Miniaturization of the components of the fire protection device and their appropriate arrangement allow their placement in the space of a PC drawer, which can be easily inserted into a PC. Thereby are in a cost effective way ensuring the installation of the fire protection device and the protection of the PCs before fire and flue gas reached, as well as health damage and avoids economic losses.

The same applies to other electronic devices, like servers, gauges, Computer, electronic or analytical equipment in the field of medicine, chemistry and physics, as individual devices or arranged in networks.

For the practical Application of the fire protection device, it is advantageous that these a protection module and an extinguishing module having. For the In the private field of application, the protection module is usually sufficient Fire detection and automatic or manual power off after backup. The commercial version also has the extinguishing module with an inert gas as extinguishing gas.

The automatic fire detection is preferably carried out by an optical Smoke sensor, unlike an ionization smoke detector no official Approval is subject.

The Test button "Smoke sensor" is used to check the Smoke sensor, the evaluation electronics, the signal diodes and the buzzer while deactivating the delete function and the PC shutdown.

One optical signal, preferably a green-emitting signal diode shows the operational readiness of the fire protection device, a colored, preferably red flashing signal diode to the fire alarm. This is also indicated by the beeper, which has the advantage of a Signal recognition without eye contact with the device to be protected has.

The Control electronics controls the data backup and the breaker relays for the Normally circuit of the appliance fan and the one to be protected Device.

The Test button "PC shutdown" allows the verification of the to shut off the protected equipment and its device fan required hardware and software as well as the optical and acoustic Signal generator with simultaneous deactivation of the delete function. The hardware is each a breaker relay for a in the Rule 220V Power supply to the device to be protected and its device fan. The separate breaker relay for the device fan offers the advantage Switch it off immediately at the start of the deletion to be able to and thereby blowing the extinguishing gas to avoid while the device itself is still under power for its backup.

Of the preferably 9 volt accumulator, with the to be protected Device at Inserting the fire protection device automatically connected and thereby is charged, guaranteed the continuous operation of the fire protection device, regardless of Condition of the protected Object.

A advantageous embodiment of the invention is that the control electronics Optionally has a modem and a network card for distribution an alarm message to another PC or to a hazard or Fire alarm panel serve. In this way, a possible Extending the fire fought become.

An advantage for the documentation of a fire, if the alarm message as Sprachdurchsa or as written information, eg by SMS or printer deductible. This will facilitate police and insurance investigations.

A advantageous option of the invention is that the PC to be protected from the control electronics through a priority signal via a PC data backup program (= PCD) or via a computer-owned program, independently from firefighting, can be switched off. In this way, a fast and reliable backup software and data of the device to be protected. It is self-employed or after request via the program setting in PCD the backup in all running Programs or within a network on another computer or Server performed and only then the power off. Here is the software (in the PCD program) to adjust the order of the backup the various programs can be set and a return signal the PCD program to the protection module triggers the power off.

• – eine Löschgaspatrone mit Halterung;
• – ein vorzugsweise Magnetventil mit einer Löschgasleitung und einer Ausströmdüse;
• – eine Funktionstaste „Lösch-Handauslösung";
• – eine Funktionstaste „Lösch-Stopp".

It is advantageous that the extinguishing module has the following components:

• - An extinguishing gas cartridge with holder;
• - A preferably solenoid valve with a quenching gas line and a Ausströmdüse;
• - a function key "delete manual release";
• - a function key "delete stop".

In the extinguishing gas cartridge Nitrogen is preferably as extinguishing gas. This is under pressure and has pressure-free a sufficiently effective extinguishing volume. Carbon dioxide comes not as extinguishing gas in question, since it is under the influence of high-frequency, electrical Fields can be dissociated.

The Solenoid valve controls the outflow opening of the extinguishing gas cartridge. This function can also be exercised by a mandrel, e.g. through a Stepper motor actuated becomes.

The Exhaust nozzle ensures for one optimal distribution of the extinguishing gas in the device to be protected.

In certain cases It is an advantage that the function key "Deletion manual release" can be used to Fire detection is bridgeable and by a short press (e.g., 2 sec.) the pure erase function or by longer To press (e.g., 5 seconds) the entire alarm chain with backup and power off triggered is.

From The advantage can also be that the delete function is activated by the function key "delete stop" can be canceled manually.

The Task of a rapid and effective fire fighting is also by the Features of method claim 14 solved. That's how it starts the deletion process to the earliest possible time. The early one Disconnecting the device fan prevents a blowing of the extinguishing gas. By delayed Power off enables data and software backup and by the power off after the backup is a additional Hardware fuse operated as most fires are due to the electrical Electricity is generated and supported by it become.

Short description the drawings

Further Features of the invention will become apparent from the following description and the only drawing in which an embodiment of the invention is shown schematically.

Full Description of the drawing

The single figure shows a schematic representation of a fire protection device. This has a preferably optical flue gas sensor ( 1 ), which is in a conducting connection with evaluation electronics ( 2 ) and a control electronics ( 3 ) stands. The latter controls via a control line 10 a preferably separate Stromlosschaltung a device fan and the device to be protected and the backup.

The power supply of the fire protection device is carried out by the device to be protected via a power supply line ( 4 ), which is a mains-independent power source, eg a 9-volt accumulator ( 5 ) feeds. The electrical contact to the power supply can be made automatically when inserting the fire protection device in the device to be protected.

As an extinguishing agent, an inert quenching gas, preferably nitrogen N _{2 is} provided in an extinguishing gas cartridge ( 6 ) is stored under pressure. The extinguishing gas cartridge ( 6 ) contains a deletion-sufficient amount of N ₂ . The quenching gas is through a preferably solenoid valve ( 7 ) released by the evaluation or control electronics ( 2 / 3 ) of the smoke sensor ( 1 ) is mastered. The quenching gas flows through an extinguishing gas line ( 8th ) in the device to be protected in order to achieve a sufficient extinguishing effect and to reduce the O ₂ content in the device to be protected to <14% by volume.

On the front of the fire protection device, optical signaling ( 12 ) to indicate the operational readiness and another signaling ( 13 ) and inside a beep ( 14 ) for displaying a smoke gas sensor ( 1 ) are triggered fire alarm.

• – eine Prüftaste „Rauchsensor" zur Überprüfung des Rauchsensors (1), der Auswerteelektronik (2), der Signaldioden (12), (13) und des Signaltongebers (14) bei gleichzeitiger Deaktivierung der Löschfunktion und der PC – Abschaltung
• – eine Prüftaste (16) „PC-Abschaltung" zur Überprüfung der zur Abschaltung des zu schüt zenden Geräts und dessen Geräteventilators erforderlichen Hard- und Software und der optischen und akustischen Signalgeber bei gleichzeitiger Inaktivierung der Löschfunktion
• – eine Funktionstaste (17) „Lösch-Handauslösung" zum Auslösen der reinen Löschfunktion durch kurzes Drücken (2 sec.) und der gesamten Alarmkette mit Datensicherung und Stromlosschaltung durch längeres Drücken (5 sec.).

In addition, the following test and function keys are provided on the front of the fire protection device:

• - a "smoke sensor" test button for checking the smoke sensor ( 1 ), the transmitter ( 2 ), the signal diodes ( 12 ) 13 ) and the buzzer ( 14 ) while deactivating the delete function and the PC shutdown
• - a test button ( 16 ) "PC shutdown" to check the hardware and software required to shut down the device to be protected and its device fan, and the visual and audible signaling devices with simultaneous deactivation of the deletion function
• - a function key ( 17 ) "Deletion manual release" for triggering the pure deletion function by briefly pressing (2 sec.) And the entire alarm chain with data backup and de-energizing by pressing for a longer time (5 sec.).

The fire protection device according to the invention works as follows:
After detection of a fire by the flue gas sensor ( 2 ), which can be implemented as optical, ionization or semiconductor detectors. Preferably, an optical detector is used to avoid disadvantages in terms of radiation protection or price. Its transmitter ( 3 ) is controlled by the control electronics ( 4 ) triggered an immediate deletion function with simultaneous power-off of the fan device. This will start an immediate and effective fire fighting, because the quenching gas remains in the unit due to the disconnected fan device and will not be blown.

At the same time a data backup by the control electronics ( 4 ). A priority signal is triggered by a PCD program (PC data backup), which determines the order of the programs to be backed up and the receiving devices. In addition, the red, flashing signal diode ( 13 ) and the beeper ( 14 ) and, if necessary, inform a fire alarm panel.

After feedback of the completed data backup, the control electronics ( 4 ) an all-pole Stromlosschaltung of the device to be protected and thus completes the deletion process.

1

smoke sensor

2

evaluation

3

control electronics

4

Power supply line

5

9-volt battery

6

Extinguishing gas cartridge

7

magnetic valve

8th

Extinguishing gas line

9

exhaust nozzle

10

control line

11

connecting line

12

green signal diode

13

blinking, red signal diode

14

beeper

15

Test button "flue gas sensor"

16

Test button "PC shutdown"

17

Function key "manual release"

18

Function key "Delete Stop"

Claims (14)

Fire protection device for the hardware and software of electronic devices, with automatic fire detection, fire detection and fire fighting, characterized in that the components of the fire protection device formed on the basis of their dimensions and arrangement as a drawer and in a device to be protected, such as a PC, are inserted. Fire protection device according to claim 1, characterized in that that a protection module and possibly also an extinguishing module are provided. Fire protection device according to claim 2, characterized in that the protection module comprises the following components: - a preferably optical smoke sensor ( 1 ); - an evaluation electronics ( 2 ) for the smoke sensor ( 1 ), with a test button ( 15 ) "Smoke sensor" - a preferably red, flashing signal diode ( 13 ) and a beeper ( 14 ) for alarm, and a preferably green-emitting signal diode ( 12 ) for operational readiness; - an electronic control system ( 3 ) for PC shutdown, with a test button ( 16 ) "PC shutdown" - a breaker relay for the 220 volt power supply of the PC, - a breaker relay for the device fan and for the electronic device to be protected, - a mains-independent power supply, eg a 9 V accumulator ( 5 ), which is automatically connected to the device to be protected by inserting and thereby charged. Fire protection device according to claim 3, characterized in that the test button ( 15 ) "Smoke gas sensor" for checking the smoke sensor ( 1 ), the transmitter ( 2 ), the signal diodes ( 12 ) 13 ) and the buzzer ( 14 ) with simultaneous deactivation of the delete function and the PC shutdown serves. Fire protection device according to claim 3, characterized in that the test button ( 16 ) "PC shutdown" for checking the hardware and software required to switch off the device to be protected and its fan, and the visual and audible signaling device simultaneous deactivation of the deletion function. Fire protection device according to claim 3, characterized in that the control electronics ( 3 ) has a modem and a network card that serve to pass an alarm message to another PC or a fire panel. Fire protection device according to claim 6, characterized that the alarm message as a voice announcement or written Information e.g. by SMS or printer, is deductible. Fire protection device according to claim 3, characterized in that the PC to be protected by the control electronics ( 3 ) can be moved down by a priority signal via a PCD program (= PC data backup) or via a computer-owned program. Fire protection device according to claim 8, characterized in that that the PCD program the order of backup of different programs and in networks, sets the data-receiving PC or servers. Fire protection device according to claim 2, characterized in that the extinguishing module comprises the following components: - an extinguishing gas cartridge ( 6 ) with bracket; A preferably solenoid valve ( 7 ) with extinguishing gas line ( 8th ) and exhaust nozzle ( 9 ); - a function key ( 17 ) "Delete manual release"; - a function key ( 18 ) "Delete stop". Fire protection device according to claim 10, characterized in that the extinguishing gas cartridge ( 6 ) is preferably filled with nitrogen. Fire protection device according to claim 10, characterized in that by pressing briefly (eg 2 sec.) Of the function key ( 17 ) "Delete manual release" the pure deletion function and by prolonged pressing (eg 5 sec.) The entire alarm chain with data backup and power disconnection can be triggered. Fire protection device according to claim 10, characterized in that the function key ( 18 ) "Deletion stop" is used to manually cancel the deletion function. Method for automatic fire protection of hardware and software of electronic devices, with a fire protection device for automatic fire detection, fire detection and fire fighting, in particular according to the device claims 3 and 10, characterized in that the smoke sensor ( 1 ) immediately after the fire detection via the evaluation and control electronics ( 2 . 3 ) triggers the alarm message and, with a certain delay, at the same time the extinguishing function, the power-off function of the device fan and the data protection (PCD), which after completion feedback leads to all-pole disconnection of the device to be protected.