WO2015052357A1 - Procedimiento y dispositivo antirrobo de cables de comunicaciones - Google Patents
Procedimiento y dispositivo antirrobo de cables de comunicaciones Download PDFInfo
- Publication number
- WO2015052357A1 WO2015052357A1 PCT/ES2014/000158 ES2014000158W WO2015052357A1 WO 2015052357 A1 WO2015052357 A1 WO 2015052357A1 ES 2014000158 W ES2014000158 W ES 2014000158W WO 2015052357 A1 WO2015052357 A1 WO 2015052357A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- signal
- total
- theft
- alarm
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G2200/00—Indexing scheme relating to installation of electric cables or lines covered by H02G
- H02G2200/10—Prevention of theft of valuable metals
Definitions
- the present invention relates generally to the field of protection of communications cables by means of anti-theft devices. Background of the invention
- Copper cable subtraction occurs routinely in remote locations, as a natural way to minimize the risks by the perpetrators of the theft.
- Various automatic surveillance methods have been proposed in the prior art for such installations, such as motion detection, camera surveillance and perimeter protection. In all cases, the solution presents obvious practical problems due to the special characteristics of the object to be protected.
- the fundamental problems of these proposed solutions can be mentioned false positives due to the presence of animals or rain, and the economic impossibility of monitoring long copper lines.
- US patent application US 2010/0085189 A1 intends to partially solve the drawbacks of the prior art, disclosing a method such as that described above, which also inserts a low voltage in the electrical circuit when said cable is not in operation. However, this method still does not adapt to complex wiring structures. In addition, the known systems described above do not provide sufficiently high levels of protection required in the field of communication cable runs, and more specifically in the protection of copper lines.
- the present invention relates to a method and an anti-theft device for communications cables, in order to generate an alarm when the breakage of said cable is detected.
- the method comprises:
- the procedure allows to quickly generate an alarm signal that indicates the cut of the communications cable in case the length of said cable is reduced with respect to its reference length.
- said method further comprises calculating the exact geographical location of the cable cut based on the total cable length calculated, so that geographical location information of the cable cut can be included in the alarm signal . In this way, it is possible to quickly go to the exact geographical location where the theft is taking place, in order to capture the perpetrators and thus recover any length of cable that they were subtracting at that time.
- the present invention discloses a suitable device for practicing the procedure described above.
- Said device comprises:
- the device also comprises means for calculating the exact geographical location of a cable cut based on the total cable length calculated, so that location information can be included in the alarm signal Exactly to which one must go to prevent the theft of communications cable from continuing.
- the present invention provides a method and an anti-theft device of highly reliable and economically applicable communications cables, since they only require the installation of the device of the invention at one end of the cable, unlike prior art devices that require the installation of various elements at both ends of the cable.
- Figure 1 shows a block diagram schematically representing the process according to the preferred embodiment of the present invention.
- Figure 2 shows a schematic of the operation of the procedure shown in Figure 1.
- the anti-theft method of communication cables comprises first of all continuously injecting a signal at a first end of the cable.
- the signal injected into the communication cable is preferably a signal of type TDR (Time Domain Reflectometry, reflectometry in the time domain).
- Said signal reaches the opposite end of the cable and is reflected back to the first end into which it was injected.
- the method comprises detecting the arrival of said signal once reflected at the opposite end of the cable.
- the measurement of the electrical parameters in the cable is carried out (namely, the capacity and / or the resistance). This allows complementing and ensuring accuracy in the calculation of cable length.
- the cut end is short-circuited, even if a type signal had previously been used TDR for the measurement, the resistance should be measured to determine the point of the cut.
- the measurement made of the capacity and / or resistance in the fourth stage of the procedure Calculate the total cable length.
- the total calculated cable length is compared with the total reference cable length. Yes Both cable lengths are the same, the procedure returns to the first stage. However, if the total cable length calculated is less than the total reference cable length, an alarm signal is generated.
- the next step of the procedure is to calculate the exact geographical location of the cable cut. This can be done by knowing the time taken by the TDR signal to make the round trip from the end of the cable in which it was injected to the cable cut point. Thus, an alarm signal is generated that includes said geographic location information of the cable cut.
- FIG. 2 schematically shows the implementation of the method according to a preferred embodiment of the present invention.
- the device 10 of the present invention is connected to one end of the communication wiring 20, which reaches an external distribution plant 30 from which it is sent to the different subscribers.
- the device 10 also has GSM / GPRS connection means to send an alarm signal either directly to an end user programmed by means of an SMS message or an email (40) or to a database of an alarm center ( fifty). From said alarm center, the alarm signal can be forwarded to end users, to an application via web interface, etc. (60).
- the end user who receives the alarm signal either directly from the device of the invention or indirectly through the alarm center may be the customer who owns the communications wiring, a police force, a private surveillance agency, etc. .
- the alarm signal preferably includes exact geographical information about the point at which the cable cut is occurring. This information is sent to the end user, for example through a link to Google Maps TM. This allows a quick and accurate response from the police or any other security body to the exact location where the cable theft is taking place, thus improving the possibility of capturing the perpetrators and recovering the stolen cable.
- the service provider also provides support and maintenance services to users
- the step of measuring the capacity and / or resistance of the cable can be performed alternatively to the injection and detection of the signal (such as a signal of the TDR type), instead of complementary to said injection and detection of signal.
- the method and device of the present invention can be applied to both copper lines and any other electrical conductor that wishes to protect itself.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14851733.7A EP3057073A4 (en) | 2013-10-07 | 2014-10-01 | Method and device to prevent the theft of communications cables |
BR112016006968-4A BR112016006968B1 (pt) | 2013-10-07 | 2014-10-01 | Dispositivo antifurto de cabos de comunicações |
ES201690003U ES1160583Y (es) | 2013-10-07 | 2014-10-01 | Dispositivo antirrobo de cables de comunicaciones |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP201300931 | 2013-10-07 | ||
ES201300931A ES2537793B1 (es) | 2013-10-07 | 2013-10-07 | Procedimiento y dispositivo antirrobo de cables de comunicaciones |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015052357A1 true WO2015052357A1 (es) | 2015-04-16 |
Family
ID=52812545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2014/000158 WO2015052357A1 (es) | 2013-10-07 | 2014-10-01 | Procedimiento y dispositivo antirrobo de cables de comunicaciones |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3057073A4 (es) |
BR (1) | BR112016006968B1 (es) |
ES (2) | ES2537793B1 (es) |
WO (1) | WO2015052357A1 (es) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100085189A1 (en) | 2008-10-02 | 2010-04-08 | Gary Caswell | Anti-theft method and device |
WO2012175762A1 (es) * | 2011-06-20 | 2012-12-27 | Iberwave Ingenieria Sll | Procedimiento y dispositivo de protección de tendidos de conductores eléctricos |
EP2645686A1 (en) * | 2012-03-30 | 2013-10-02 | British Telecommunications Public Limited Company | Cable damage detection |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090282292A1 (en) * | 2008-05-12 | 2009-11-12 | Squire Matthew B | Methods, devices and computer program products for automatic fault identification in a network |
CN103930935A (zh) * | 2011-08-18 | 2014-07-16 | Ss7咨询与顾问公司 | 用于监控已安装的基础设施的系统 |
GB201202202D0 (en) * | 2012-02-08 | 2012-03-21 | Cresatech Ltd | Metallic conductor disturbance detection device and method |
-
2013
- 2013-10-07 ES ES201300931A patent/ES2537793B1/es active Active
-
2014
- 2014-10-01 BR BR112016006968-4A patent/BR112016006968B1/pt active IP Right Grant
- 2014-10-01 EP EP14851733.7A patent/EP3057073A4/en not_active Withdrawn
- 2014-10-01 ES ES201690003U patent/ES1160583Y/es active Active
- 2014-10-01 WO PCT/ES2014/000158 patent/WO2015052357A1/es active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100085189A1 (en) | 2008-10-02 | 2010-04-08 | Gary Caswell | Anti-theft method and device |
WO2012175762A1 (es) * | 2011-06-20 | 2012-12-27 | Iberwave Ingenieria Sll | Procedimiento y dispositivo de protección de tendidos de conductores eléctricos |
EP2645686A1 (en) * | 2012-03-30 | 2013-10-02 | British Telecommunications Public Limited Company | Cable damage detection |
Non-Patent Citations (2)
Title |
---|
CHET LO; ET AL.: "Noise-domain reflectometry for locating wiring faults", IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY, vol. 47, no. 1, February 2005 (2005-02-01), pages 97 - 104, XP011127068 * |
See also references of EP3057073A4 |
Also Published As
Publication number | Publication date |
---|---|
ES2537793B1 (es) | 2016-04-06 |
EP3057073A1 (en) | 2016-08-17 |
ES1160583Y (es) | 2016-09-28 |
BR112016006968A2 (pt) | 2017-08-01 |
ES1160583U (es) | 2016-07-07 |
ES2537793A1 (es) | 2015-06-12 |
BR112016006968B1 (pt) | 2022-04-19 |
EP3057073A4 (en) | 2017-07-12 |
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