EP2373916A1 - Security device and system for monitoring pipes - Google Patents

Security device and system for monitoring pipes

Info

Publication number
EP2373916A1
EP2373916A1 EP20090795325 EP09795325A EP2373916A1 EP 2373916 A1 EP2373916 A1 EP 2373916A1 EP 20090795325 EP20090795325 EP 20090795325 EP 09795325 A EP09795325 A EP 09795325A EP 2373916 A1 EP2373916 A1 EP 2373916A1
Authority
EP
Grant status
Application
Patent type
Prior art keywords
safety device
characterized
preceding
device according
pipe
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
EP20090795325
Other languages
German (de)
French (fr)
Other versions
EP2373916B1 (en )
Inventor
Hermann Rosen
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.)
ROSEN SWISS AG
Original Assignee
ROSEN SWISS 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

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OF DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OF DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • F17D5/06Preventing, monitoring, or locating loss using electric or acoustic means

Abstract

The invention relates to a security device for a cover device of a pipe and/or for a pipe, that can be used for producing pipelines having a series of further pipes welded to each other, wherein the cover device comprises a sleeve covering an inner wall of the pipe, and the security device is designed for generating an alarm signal, wherein the security device comprises a structure-borne sound detection device comprising a structure-borne sound sensor for detecting manipulation of the pipe. The invention further relates to a system for monitoring pipes having a plurality of security devices having a receiving station for receiving the security device signals, preferably repeatable by means of a repeater, and an electronic data processer designed for analyzing the signals and for outputting an alarm signal.

Description

509144 / Ha

Safety device and system for monitoring pipes

The present invention relates to a safety device for a covering of a pipe and / or for a tube which is usable with a number of other pipes in preferably each welded form for the production of pipelines, wherein the cover device comprises a an inner wall of the tube covering sleeve and the safety device is adapted to generate an alarm signal. Furthermore, the invention relates to a system for the monitoring of pipes.

Pipes that are used for pipeline construction must meet the highest quality anprüchen. The to be transported through the pipelines media such as oil can cause great damage to the environment if improperly assembled. Moreover, such damage leads to high financial costs of the pipeline company operating. just the edges and welding areas of the pipes must be protected particularly well prior to installation in an existing pipeline or before assembly of several tubes to a pipeline. For this purpose, cover devices are useful, in particular, parts of the inner wall located in the ends of the pipe or the like by means of a sleeve. caulk. In order to avoid damage due to misuse and consequent impairment of the integrity of the pipes as well as manipulation of the pipes, the transport and the storage of the tubes should be monitored until assembly. It is therefore an object of the present invention to provide a safety device which is designed for generating an alarm signal, and which is usable both for the covering and / or for a tube. In addition, it is an object of the present invention to provide a system for monitoring intended for pipeline tubes.

The object is solved by an article according to claim 1 and by an article according to claim 27. Advantageous further developments of the objects are specified in the each case to the claims 1 and 27 the related dependent claims and the following description.

According to the invention the safety device comprises a sound sensor, a body comprising the body sound detection device for detecting manipulation of the tube. Manipulation of the pipe go instance accompanied by percussion or welding noises and associated with a charakterischen borne noise. Also, unintentional dropping the tube during its transportation generated in the tube body sound. Different structure-borne sound can be assigned characteristic causes thus. A security device comprising a Körperschalldetek- tion device having a structure-borne sound sensor, the solid-borne sound which occurs in the tube to record, and - preferably at a electronically assisted evaluation - cause the output of an alarm signal. For this purpose, the body may have sound detection device suitable means for evaluating the captured by the sensor signal.

In order to enable a good reception of the impact sound of the pipe the pERSonal noreohallrlotoktinnQwnrrirhti inri vnrtpilhaftprwftiRA is adapted to rlifi Rundunα the RohrinnenSΘi- te. In an advantageous embodiment of the invention, the Körperschalldetektionsvor- direction is provided with a piezo element, which serves to receive the structure-borne sound and converting it into electrical impulses. The piezo element is thus in particular part of the body sound sensor.

The piezo element may be formed partly freely suspended, for example in the manner of a tuning fork. However, preferred is a configuration in which the piezo-element or other structure-borne sound sensor is disposed at a vibrating body, which is tuned in particular of its natural frequency forth on the frequency range of the body to be detected sound. The vibrating body may be for example a metal strip whose shape and dimensions (such as length, width, height) is adapted to the male body sound. The vibrating body, the body sound detection device or the safety device is in this case indirectly or directly to bring into abutment with the inside of the pipe wall to accommodate the structure-borne sound and to forward to the piezo element or dispense.

When the noise to be detected, which continue in the tube, it is usually not a single frequency but at a plurality of frequencies or a frequency band which is generated for example by drilling or tapping the tube. By way of example this is a frequency range between 10 and 20 kHz, in which the vibrating body also has a natural frequency.

RFII Vfirwfinriiinπ fiinps Snhwinπkörnfirs with fiinpr ahπp.ςtimmtfin Fiπfinfreπufinz is particularly advantageous that the body sound sensor and the piezo element - A -

does not have to be in close contact with the inner pipe wall. It can be arranged suitably protected. Due to the adjustment of the oscillating body, a high sensitivity of the structure-borne noise detection device is still assured. The piezoelectric element and the vibrating body are furthermore, if they are cast, for example, in a material adapted to the attenuation by this material.

Preferably, the vibrating body can be attached even by using at least one magnet on the inner wall of the pipe to be monitored. That is, the structure-borne sound detection device comprises at least one magnet for supporting at least a part of the body sound detection device to the pipe to be monitored. The tube is not part of the invention.

When using two magnets which are spaced apart from each other, the magnetic coupling force may be enhanced by combination of these two magnets by means of the oscillating body forming bridge to allow an even better attachment to a tube inner wall. The way to be aligned in the direction of the inside of any tube of the magnet surfaces of the wall are in this case also adaptable, that is provided with a corresponding slight rounding or even adjustable.

Alternatively or additionally, the body sound detection device may be configured for mechanical retention of at least part of the body sound detection device on the pipe. For this purpose, one or more power storage, such as one or more springs may be provided which at least a part of the body sound detection device. in particular the magnet. can press vibrating body and piezoelectric element having part against the inside of a tube wall. The rest of the safety device is to be designed according to fixed, such that the energy storage can be supported. This can, for example, by attaching possibility to screw the safety device on a possible capping be given.

Preferably, the safety device comprising a movable part, in particular a slider which includes the magnets, an a vibrating body forming bridge and the piezo element, and the correspondingly in contact with the tube wall inner side due to a combination of magnetic and / or mechanical, in particular spring -power is engageable.

Preferably, the safety apparatus for detecting tampering with a covering to which the security device may be arranged in each individual case is formed. Thereafter, a monitoring of the pipe itself against impairment of the integrity as well as a monitoring of the tubes covering at its ends, typically prior to use covering the one hand together.

Advantageously, the safety device can be formed screwed to an inner sleeve of a covering. In particular to be able to detect mechanical damage or other manipulations of the covering device, the security device may comprise a recess formed in particular as a section of fuse fuse for detecting mechanical damage to the covering. This may be particularly advantageous act a conductor loop which is attachable, for example, to a membrane of the cover. Such a current- or spannungsbeaufschlagbare conductor loop can cover the clear internal cross-section of a pipe at least partially, and trigger an alarm signal at a severing of the conductor elements. Also advantageous is a tensioned wire system, which is applied to the membrane or formed as a membrane, wherein the safety device can detect damage with associated voltage variations.

In a further advantageous development of the invention the safety device comprises a shift control, which is formed of a change in the position of the safety apparatus for detecting in particular relative to a possible existing and to be monitored tube. Such a shift lock can be formed for example in the form of an acceleration sensor which can detect a movement of the safety device. However, it is particularly advantageous training, in which the displacement fuse comprises a force-loaded slider and the security device is further preferably configured to output an alarm signal upon displacement of the slide in its end position. The force is applied can slide during the operation of the security device, if it is arranged in a tube supported on the tube inner wall. If the security device is removed from the tube, the slide is pushed outward with force. The associated therewith, displacement of the slide relative to the remainder of the safety device results in the generation of an alarm signal.

Preferably, the safety device comprises a movable slide in a guide, which may assume a plurality of functions, wherein a signal can be generated at least one position of the slide along the guide. For this purpose, for example, mechanical switches or magnetic switches, such as by a slider arranged in the magnet actuated reed switch may be provided. Particularly preferably the slider is onsvorrichtung also part of Körperschalldetekti- simultaneously. For example, a magnet for coupling the outer side of the slide with the tube inner wall may be provided at the outwardly visible end of the slider. This simultaneously causes the slider possibly also remain in addition to any application of force as an alternative to such a the wall of a pipe to be monitored, and thus the slide at an intended manipulation undergoes a change in position relative to the rest of the safety device. Which leads back to the output of the alarm signal.

In a further advantageous embodiment of the safety device that has a temperature sensor that initiates upon reaching critical temperatures an alarm. For example, in assembly of the safety device to a covering or integration of the safety device in a covering device is then output an alarm when the covering burns or is burned.

Preferably, the temperature sensor is arranged on a respect to said body sound sensor opposite end the safety device. In this way, the temperature sensor is not affected by the partial up to 50 ° increasing temperatures of any pipe wall.

Preferably, the temperature sensor is fastened via a clamping connection, so that the temperature sensor is not already damaged by any soldering operations in the manufacture of the safety device. In addition to the already described functions relevant to safety, the safety device may include sensors or devices that respond to other environment variables as sound or temperature. For example, the monitoring of a pipe is further improved when the safety device has at least one moisture- and / or a gas sensor. A safety device according to the invention may further advantageously comprise a sensor for the detection of further corrosion influencing parameters, in particular in the air within the tube. This may for example be a salt salary sensor.

The safety device is configured to output an alarm signal, said alarm signal is, for example delivered by the security device via a speaker sound or a light signal of a display. Preferably, the safety device is, however, formed with a transmitter for outputting a radio signal or other wireless means of indirect signals. For this purpose, the safety device is provided effecting communication with an electronic control, in particular the output of an alarm signal. The means of communication are particularly suitable for two-way communication. The safety device is thus able to od on external requests through a status report. Like. To submit specific information.

Particularly advantageous is such a control, when it is connected to an RFID device comprising a writable memory with known means, in the example, Bin ID or pipe-ID can be stored. Insofar as one is processing capable of using the inventive Sicherheitsvorrich- to identify a pipe and to communicate this via the electronic control. Preferably, the safety device is formed such that it emits at regular intervals a status signal relative to an associated power source. One such source of energy is in particular part of an autonomous energy supply for example Akkumulatoren-, solar or wind energy basis.

In order to make the safety device as safe as possible against environmental influences, it has a two-part outer housing which forms a sealed cavity for receiving electronic components in an operating position. This two-part outer housing is formed, in particular cast or injection-molded polyurethane, and as such correspondingly massive. Because of the associated sensors, the housing need not be made of hard destructible materials since the sensors would detect any previously attempted manipulation and would spend accordingly alarm.

The object is further achieved by a system for the monitoring of pipes having a plurality of safety devices described above and further comprising a receiving station for receiving the routable preferably by means of a repeater signal of the safety device. Further suggests that the system of an electronic data processing, which is configured for evaluating the signals and for outputting an alarm signal on.

With such a system, temperatures on covering devices, in which the safety devices are attached or the amount of the monitored pipes may be interrogated periodically and easily next status requests concerning tube ID and -Lagerplatz example. From the receiving station signals of the respective safety devices can be added, and then the signals are evaluated in the data processing.

Advantageously, the system further comprises a first inspection station, which includes electronic data processing at least partially, that may be made in the first evaluation, and a second control station that is locally separated and connected via preferably as an Internet connection configured communication means with the first control station. A single equipped with a plurality of tubes and associated safety devices in accordance with storage space can thus on the one hand be managed partly locally above but also are managed also in a completely different place, for example on a different continent. In the event of an alarm signal resources can so deliberately spread and possible other problems are solved quickly.

Preferably, the system is designed such that it comprises backup routines, that is, an alarm signal is as long as further emitted to by a duly authorized agency, for example, in the first or in the second control station a corresponding acknowledgment signal to the safety device back shipping is.

The system may be provided in a further embodiment with a fuse, is formed in the electronic data processing for checking the at least one repeater. Any failures of individual repeaters thus be detected before the occurrence of an alarm event, and the reliability of the system is increased. Further advantages and details of the invention can be seen from the following description. In the figures schematically:

Fig. 1 is a perspective view of an article of the invention in a position on a covering device,

Fig. 2 shows the object of Figure 1 in a multi-sectioned view,

Fig. 3 shows a security device according to the invention with the housing open,

Fig. 4 shows the object of Fig. 3 in a plan view without PCB,

Fig. 5 shows the object of Fig. 4 in a further view,

Fig. 6 shows the object of Fig. 4 in a further view,

Fig. 7 is a detail view of an article according to the invention,

Fig. 8 shows the object of Fig. 3 in a rear view.

The same or similarly acting parts are - if useful - provided with identical reference numerals. Some technical features of the embodiments described below can also lead with the features of the embodiments described to the invention further training.

In FIG. 1, a safety device 1 of the invention in its operative position attached to a cover device 2 is shown. The cover 2 consists of a relatively solid polyurethane, so that the safety device 1 on a flange 3 readily be screwed.

In a situation in which the cover 2 is introduced together with the safety device 1 to cover a pipe end in this, the safety device 1 of a diaphragm 4 is covered in the interior of the tube. The safety device 1 is thus of the cover device 2 having the end of the tube only accessible by destroying the membrane 4 or removal of the cover. 2 By means of a slide 6 of the safety device 1 is to be brought with the pipe to be monitored, a structure-borne sound detection device into abutment. To this end, the slide 6 is movable so far in the housing such that it rests on a pipe inside.

A merely indicated by broken lines conductor loop 10 is part of a section of fuse which is used to monitor the integrity of the membrane. 4 In a cutting of the membrane 4 formed by the loop conductor 10 conductor is interrupted, which leads to the output of an alarm signal.

In FIG. 2, the safety device 1 is shown detallierter. Shown is a multi-sectioned view of the safety device 1, which view is among others formed by decrease of the apparent in the Fig. 1 the housing cover 7, and a section in the direction R2 in parallel to the longitudinal central axis of the cover.

In the figure, the slider 6 is shown with two magnets 7 in a guiding 8 to. The slider 6 is designed in the manner of a double-Ts, and with respect to a maximum stroke of the housing of the safety device 1 out delimited by two flanges. 9 An accumulator 11 supplies energy to the safety device 1, while a seal 12 forms a sealing plane that is arranged between the lower housing half 13 shown and the visible in FIG. 1, the upper housing half 15.

In the embodiment shown in Fig. 2 view of the safety device 1 is shown in a connected via a chain 14 with a pin 16 secured, inactive position. By pulling on the chain 14, the safety device can be released and switched on. The slider 6 is due to its release from the blocking position shown in FIG. 2 by spring force assisted pressed in the direction of a possible inside of the pipe, while at the same act the magnet 7 supportive. Then the pin can not be inserted back into the secured position 16, as the slider is placed in a situation where the safety device into a pipe 6 is not accessible from the outside and until removal of the cap and pushing the slide 6 can be switched off.

In the view according to Fig. 3, the pusher 6 in the secured position, which is also indicated by the chain 14. At the same time it is shown that a printed circuit board 17 with a number of electronic components for the control of the guide cover 8 for the slide. 6 At the same time, the seal 12 serves to seal the individual components on the board 17, cutouts 18 provide on the one hand an attachment for attachment to a cover before the other hand, a contact to the located on the visible in Fig. 1 membrane 4 conductor loop 10 is formed by a screw , A contact plate 19 may also serve the contact to the conductor loop 10 degrees. the safety device when introduced into a tube with a pipe identification number and a pipe storage bin in a simple manner can be customized on an RFID chip 21st For this example, the read is usually applied to pipes barcodes and can describe the RFID chip corresponding bar code reader, can be used.

The RFID chip 21 is connected to an assembly 22 that provides a communication interface for communication with a corresponding monitoring system.

On the circuit board 17, a first reed switch 23 is further arranged which is located in FIG. 3 on a level with a slider arranged in the magnet 24 6 (comparison Fig. 4).

Another reed switch 26 is accessible via an extension of the slider 6, and represents a shift fuse. The safety device 1 comprises in its operating position has a configuration in which the magnet 24 between the two Reed-Schaltem 23, 26 is arranged. In extension of the slide 6 in its final position of the magnet 24 of the slider 6 comes into the area of ​​the switch 26 and an alarm signal is output, since this position can be achieved upon removal of a possible tube. This occurs, for example when the cover is removed from the tube and the slide 6 no longer present on the inner pipe wall.

. On the lower side in FIG 3 the safety device is attached to the magnet 7 entπfiπpnnfisfit7tfin Fnrifi "inp Thprmr> sir: hfirιinn 91 anπfinrrlnfit rlifi in Klinς- nrter clamping holders 28 is attached. Another sealing plane is located below the seal 12 between circuit board 17 and the housing. 13

The slide 6 is arranged in its guide 8 movable in the direction R. Two force storage means 29 cause a bias of the slider 6 as shown in Fig. 4 locking position in which the locking pin is arranged in a recess 31 of the slider 6 16.

A metal strip 32 is used to connect the conductive loop 10 to the board 17th

By removing the locking pin 16 of the magnet 24 leaves the reed switch 23, whereupon the entire safety device is armed. Since the slider is changed over in this case from its Fig. 4 position shown into the position shown in Fig. 5 operating position, the recess 31 is no longer on a level with that in FIG. Yet indicated recess 32 of the housing 13. The locking pin is not be more inserted into the device and the safety device can not be turned off by this. In the embodiment shown in Fig. 5 position, the slide is extended up to the height of the tubular inner wall 33 illustrated in phantom. In this position, the magnets 7, which are poured into the slide and partially sticking out from it, arranged on the tube inner wall side are. For this purpose the magnets 7 have a slightly rounded surface 34, which improves the system.

Upon removal of the cover 2, together with the safety device 1 and corresponding removal of the safety device 1 by the pipe inner

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Magnet 24 causes via the reed contact 26, a signal, due to which an alarm is outputted from the electronic controller. In the embodiment shown in Fig. 6 position of the slide 6 with its base 36 in its end position in the guide 8, which is also visible through the engagement with the flanges. 9

After a withdrawal of the safety device 1 of the tube of the spool 6 can be pressed into the housing again, after which the locking pin can be inserted into the openings 31 and 32, 16 so that the safety device is switched off. An alarm signal has been issued, however, already at this time. The safety device is then be equipped for service with a new energy storage 11 and can be reused.

In the head of the slider 6, the magnets 7 are coupled via a preferably ferromagnetic vibrating body 37th This coupling causes the one hand an improved magnetic mount the slide 6 on the tube inner wall and thus improved containment of the impact sound. In addition, arranged at the vibrating body 37, a noise sensor 38, comprising in this embodiment a piezo element. The slider 6 is thus on the one hand part of the transfer assurance, part of the body sound detection device and serves further to the switching on and off of the fuse, which are realized in one component a variety of functions.

From the body sound sensor to the recorded signal to an evaluation unit on the circuit board 17 is forwarded via a non-illustrated electrical connection. In this, the detected structure-borne sound is evaluated, for example, filtered, and also triggered an alarm signal upon the arrival of certain criteria. In FIG. 8 is a back of the safety device is shown in which again can be found 19 for contact with the conductor loop 10, the arrangement of the sheet.

In particular by the combination of individual vorbeschriebener aspects of a safety device, a safety device is provided which is able to monitor with a plurality of complementary features covering or tube for pipes suitable for pipeline construction.

Claims

claims
1. A safety device for a cover (2) of a pipe and / or a pipe which is usable for producing pipelines with a number of other pipes in each welded form, wherein the covering (2) an an inner wall of the tube covering sleeve (5 ), and the safety device (1) is designed for generating an alarm signal, characterized in that the safety device (1) comprises a body sound sensor (38) comprises a comprehensive structure-borne sound detecting device for detecting manipulation of the tube.
2. Safety device according to claim 1, characterized in that the structure-borne sound detection means comprises a piezoelectric element.
3. Safety device according to one of the preceding claims, characterized in that the structure-borne sound detection device includes a vibrating body (37), which is preferably matched by its natural frequency forth on the frequency range of the body to be detected sound.
comprises 4. Safety device according to one of the preceding claims, characterized in that the structure-borne sound detection device comprises at least a magnet (7) for supporting at least a portion (6) of the body sound detection device on the pipe.
5. Safety device according to one of the preceding claims, characterized in that the structure-borne sound detection device for the mechanical holding tion of at least one part (6) of the body sound detection device is formed on the tube.
6. A safety device for a covering of a pipe, in particular according to one of the preceding claims, characterized in that the safety device (1) for detecting tampering with the covering (2) is formed.
7. Safety device according to one of the preceding claims, characterized by an evaluation device which evaluates the recorded signal of the structure-borne sound sensor.
8. Safety device according to one of the preceding claims, characterized in that the safety device (1) for engagement with an inner sleeve (4) of the cover (2) is formed.
9. Safety device according to one of the preceding claims, characterized by a displacement control, which is formed of a change in the position of the safety device (1) for detecting relative to the pipe to be monitored.
10. Security device according to claim 9, characterized in that the displacement comprises a securing slide (6) and the safety device to output an alarm signal upon displacement of the slide (6) is formed in its end position.
11. Safety device according to one of the preceding claims, characterized by an in a guide (8) movable slide (6), wherein at least one signal can be generated to a position of the slide (6) along the guide (8).
12. Safety device according to claim 11, characterized in that the slide is acted upon by force by means of an energy accumulator (29).
13. Safety device according to one of the preceding claims, characterized by a temperature sensor (27).
14. Safety device according to one of the preceding claims, characterized in that the temperature sensor (27) at one with respect to the body sound sensor (38) the opposite end of the safety device is arranged.
15. The security device of claim 14, characterized in that the temperature sensor (27) is fastened via a clamping connection (28).
16. Safety device according to one of the preceding claims, characterized by a gas detector and / or designed in particular as moisture and / or salt content sensor sensor for detecting corrosion influencing factors.
17. Safety device according to one of the preceding claims, characterized by an opening formed in particular as a section for detecting fuse fuse preferably mechanical damage to the covering.
18. A safety device according to claim 17, characterized in that the cut fuse a conductor loop (10), which is preferably mountable on a membrane of the cover.
19. Safety device according to one of the preceding claims, characterized by a transmitter for outputting a radio signal.
20. Safety device according to one of the preceding claims, characterized in that the safety device on a clear signal switch, switched off and / or formed destructible.
21. Safety device according to one of the preceding claims, characterized by an electronic control system for, in particular the output of an alarm signal causing communications.
22. Safety device according to one of the preceding claims, characterized by an RFID device (21) which is preferably connected to an electronic control.
23. Safety device according to one of the preceding claims, characterized by a review of the energy state of a zughörigen energy source (11) enabling training.
24. Safety device according to one of the preceding claims, characterized by an autonomous power supply.
25. Safety device according to one of the preceding claims, characterized by a two-part housing which forms a sealed cavity for receiving electronic components.
26. Safety device according to one of the preceding claims, characterized in that a (the) housing consists substantially of cast or injection-molded polyurethane.
27. A system for monitoring of pipes, characterized by a plurality of safety devices (1) according to any one of claims 1 to 26, with a receiving station for receiving the preferably routable means of a repeater signals of the safety device (1), with an electronic data processing. Which is formed for evaluating the signals and for outputting an alarm signal.
28. System according to claim 27, characterized by a first control station comprising the electronic data processing at least partially, and is a second control station, which are spaced and connected via preferably as an Internet connection configured communication means with the first control station.
29. System according to any one of claims 27 or 28, characterized in that the safety device is designed to output a daily control signal and / or an alarm signal is repeated shippable until a confirmation signal of an electronic data processing arrives at the security device.
30. System according to any one of claims 27 to 29, characterized in that the electronic data processing for checking the formed at least one repeaters ters.
EP20090795325 2008-12-23 2009-12-08 Security device and system for monitoring pipes Active EP2373916B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102008063066 2008-12-23
DE200910017975 DE102009017975A1 (en) 2008-12-23 2009-04-21 Safety device and system for monitoring pipes
PCT/EP2009/008758 WO2010072324A1 (en) 2008-12-23 2009-12-08 Security device and system for monitoring pipes

Publications (2)

Publication Number Publication Date
EP2373916A1 true true EP2373916A1 (en) 2011-10-12
EP2373916B1 EP2373916B1 (en) 2012-09-19

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP20090795325 Active EP2373916B1 (en) 2008-12-23 2009-12-08 Security device and system for monitoring pipes
EP20090801932 Active EP2373917B1 (en) 2008-12-23 2009-12-08 Covering arrangement for a pipe, and pipe having such a covering arrangement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20090801932 Active EP2373917B1 (en) 2008-12-23 2009-12-08 Covering arrangement for a pipe, and pipe having such a covering arrangement

Country Status (8)

Country Link
US (2) US8680984B2 (en)
EP (2) EP2373916B1 (en)
CN (2) CN102265078B (en)
CA (2) CA2748096C (en)
DE (5) DE202009018746U1 (en)
ES (2) ES2395864T3 (en)
RU (3) RU2523946C2 (en)
WO (2) WO2010072324A1 (en)

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