WO2005052607A1 - Monitoring method and system - Google Patents
Monitoring method and system Download PDFInfo
- Publication number
- WO2005052607A1 WO2005052607A1 PCT/NZ2004/000301 NZ2004000301W WO2005052607A1 WO 2005052607 A1 WO2005052607 A1 WO 2005052607A1 NZ 2004000301 W NZ2004000301 W NZ 2004000301W WO 2005052607 A1 WO2005052607 A1 WO 2005052607A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- monitoring system
- performance data
- previous
- store
- energiser
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
- G01R29/033—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers (the characteristic being frequency)
Definitions
- This invention relates to an improved monitoring method and system for equipment or tools.
- the present invention may be used to monitor the performance or operation of an electric fence energiser and preferably to store data or information regarding the performance of such an energiser.
- an electric fence energiser Preferably the present invention may be used to monitor the performance or operation of an electric fence energiser and preferably to store data or information regarding the performance of such an energiser.
- those skilled in the art should appreciate that other applications for the monitoring method and system provided are also considered and reference to use with electric fence energisers only throughout this specification should in no way be seen as limiting.
- Historical performance information regarding how the energiser was used can be employed to determine a manufacturer's liability under warranty provisions, or to detect design faults present in the construction of such an energiser. Furthermore, such historical information may indicate how an energiser was originally configured and used, potentially highlighting problems in instruction manuals, or in the training of service personnel.
- an electric fence energiser and therefore an associated electric fence can cause significant problems.
- the failure of an energiser can leave a sensitive site open to unauthorised personnel.
- large capacity energisers may be used to power comparatively long fence lines or a relatively large number of fence lines.
- the failure of such energisers can pose significant economic risks with respect to the loss of stock or productivity of the operation in question. It is therefore preferable to have an electric fence energiser which can have a reliable and consistent performance.
- an energiser where potential failures may be forecasted early would also be of advantage.
- An improved monitoring or data recording system and method which addressed any or all of the above limitations would be of advantage.
- a monitoring method or system which allowed for the recording of energiser performance or operational parameters over extended time periods, and preferably which also detected and maintained a record of specific events or operational conditions which occur during the lifetime of an energiser would be of advantage.
- a monitoring system adapted to monitor the operation of an electric fence energiser, said monitoring system including,
- At least one input line configured to receive at least one performance data signal from an electric fence energiser
- At least one buffer data store configured to store a number of performance data readings obtained from said received performance data signal or signals
- At least one output line linked to said at least one buffer data store, said at least one output line being adapted to provide access to said stored performance data readings.
- a monitoring system substantially as described above which also includes,
- At least one cumulative data store adapted to store a plurality of event indicators
- an event indicator is stored when an operational event is detected using said at least one received performance data signal.
- the present invention is adapted to provide a monitoring system and associated method of using or operating same.
- the monitoring system and its associated method of use may be employed to monitor the performance or operation of any number of different types of tools, plant or equipment.
- the present invention may be employed preferably in a data recording or capture role to provide a record of the performance of the equipment in question over a set or known period of time.
- the monitoring system provided may be used in conjunction with an electric fence energiser, or a plurality of electric fence energisers.
- Electric fence energisers operate over long periods of time and in a number of instances, it is preferable to monitor and also record historical performance information in relation to an energiser.
- the present invention may provide a record or indication of energiser performance extending back a known period of time, where such historical information may be of use to diagnose intermittent faults in the energiser for example, or alternatively to provide a record of how an energiser was used, configured or installed.
- the present invention may also provide a performance data recording mechanism.
- the present invention may include at least one input line which is adapted to receive or carry at least one performance data signal supplied from an energiser.
- An input line may extend from at least one sensor or transducer used to generate such performance data signals, or alternatively may extend from a simple connection to a current carrying line of the energiser.
- Such input lines may run only in the interior of an energiser housing, or alternatively they may extend out from the housing to a remote external monitoring system if required.
- a performance data signal may be generated for each operational parameter or attribute of interest with respect to the performance of an electric fence energiser.
- a single performance data signal may be carried on a single input line.
- a single data signal may provide information with respect to a single operational parameter or attribute of an energiser where this information in turn is carried by a single input line.
- a plurality of performance data signals may be multiplexed onto and carried by a single input line if required.
- a single performance data signal may provide information with respect to two or more operational characteristics or attributes of an energiser if required.
- components or electrical systems used to provide the physical components of the monitoring system may be located or assembled within the interior of an electric fence energiser housing.
- the input line provided can run within the interior of an energiser housing directly from sensors, or connections to currents carrying conductors to components of the monitoring system. In this way the monitoring system may be located within the monitored electric fence energisers housing.
- the physical components used to provide such a monitoring system may be located remote from and external to the energiser but linked to the energiser through the plurality of input lines provided.
- a limited number of input lines may also have the performance data signals employed multiplex onto same for transmission to the monitoring system.
- a performance data reading may be formed from a digitised sample of a performance data signal. Digitised data readings may be readily stored or recorded using well known digital electronic components which are available at relatively low cost. Furthermore, a digitised sampling scheme reduces the amount of data which needs to be stored to provide a historical record of energiser performance.
- performance data reading being a digitised sample of an analogue performance data signal.
- performance data signals may in turn be digitised, with signals being composed from a number of digital performance data readings originally obtained from a signal sampled within an electric fence energiser.
- reference to the above only throughout this specification should in no way be seen as limiting.
- the operational parameters monitored or of interest to the monitoring system provided may include but need not be considered to be limited to; Energiser Pulse Fire Rate Energiser Output Voltage Energiser Output Current Energiser Return Voltage • Energiser Return Current Storage Capacity Charge Level Earth Voltage Energiser Mains Power Supply Voltage Energiser Battery Voltage • Energiser Internal / External Housing Temperature Readings
- a single buffer data store may be provided for the monitoring system.
- a single buffer data store may store at a single end location one or more individual performance data records which can be sourced from one or more performance data signals.
- a buffer data store may be adapted to store a relatively large number of data readings over an extended period of time, thereby providing a historical record of energiser performance over the time period involved.
- the data readings involved may only be temporarily stored within the buffer data store. Comparatively old data readings may be overwritten by newer incoming data readings, thereby creating a monitoring record which extends back over a known or set period of time only.
- a circular addressed data buffer may be employed as a buffer data store in conjunction with the present invention.
- a circular addressing scheme may be used for memory locations within the buffer data store into which data readings are stored.
- the circular addressing scheme employed may continuously loop over itself to overwrite old data with newer incoming data as time progresses.
- the monitoring system may also include at least one cumulative data store.
- a cumulative data store can be adapted to store a plurality of event indicators, where event indicators are in turn generated through the detection of a particular operational event experienced by an energiser. Such operational events may be detected from the information present within a performance data signal or signals, and on detection of such events, the monitoring system can generate and subsequently store an event indicator within a cumulative data store.
- a cumulative data store may record or store event indicators generated over the working life of an energiser.
- the cumulative data store may provide a permanent record of operational events which the energiser has experienced, where this information is preferably stored permanently in conjunction with the monitoring system provided.
- event indicators being stored permanently within a cumulative data store where these event indicators are generated and stored over the normal operational lifespan of an energiser.
- time period over which event indicators are stored may be reduced in other instances or alternatively the cumulative data store may be reset or emptied if required.
- the operational events detected from performance data signals may include but should not be considered to be limited to;
- Output current flow monitors output current produced Earth over voltage indicates poor fence/earth loop resistance
- Stored energy upper limit indicates fence approaching overload condition
- Mains power brownout indicates power supply problems
- Mains power fail indicates power supply problems
- Battery power fail indicates power supply problems
- Over temperature indicates internal heat dissipation problems
- External temperature minimum and/or maximum threshold indicator record on detection of another event provides thermal profile record over time
- Fast fire indicates a critical fault condition
- Internal software errors indicate memory errors, trap conditions, overflows, bounds errors etc.
- the present invention may include a cumulative data store for each event which is to be detected and/or monitored.
- a cumulative data store may record a numerical value indicative of the number of times which a particular operational event has been detected. The generation of an operational event indicator will in turn increment the count or counter provided by such a cumulative data store.
- the timing or rate at which data is recorded or stored in either or both a buffer and cumulative data store may be in turn controlled by the rate at which the electric fence energiser pulses or 'ticks'.
- Energiser ticks (indicative of the energiser placing an electrical pulse on a fence line) are relatively regular and may be used to approximate a time measurement clock. Energiser ticks may in turn be used to control the speed or rate of operation of the monitoring system as energiser ticks in turn indicate the speed of operation of the energiser to be monitored.
- the energiser may in practice function as a real time clock facility for the monitoring system where each energiser tick triggers the clocking of the next step or stage of operation of the monitoring system.
- energiser ticks cannot be relied on for high accuracy, they will provide an effective clock system for the monitoring system provided and can in turn be used to provide an approximate indication of actual elapsed times depending on the firing rate of the energiser involved.
- a relatively accurate real time clock system may also be employed to also allow the recording of actual real time values in conjunction with the performance monitoring facilities of the present invention if required.
- the monitoring system may include at least one output line linked to any or all of the data store or stores provided.
- An output line may provide access to stored performance data readings in conjunction with a buffer data store, or alternatively access to a count of the number of event indicators stored with respect to a cumulative data store.
- an output line may be provided for each data store employed in conjunction with the present invention.
- output signals or data from a number of data stores may be multiplexed onto a single or relatively small number of output lines if required.
- an output line may be linked to an indicator or display system which can provide a visual display to a user of the data stored and recorded.
- an output line or lines may in turn be linked to further programmable logic components, such as a computer system, for further processing or interpretation by such a computer system if required.
- the present invention may provide many potential advantages over the existing prior art.
- the present invention may be adapted to provide a historical record of a piece of equipment, tool or preferably an electric fence energiser's performance over an extended period of time. Performance data readings indicative of particular operational parameters of the equipment or energiser involved may be provided extending back prior to the current time for more information regarding how the equipment has been operated or performing. Furthermore, the present invention may also provide a cumulative data store to provide a cumulative record of specific types of events which have occurred over the lifespan of the equipment, or preferably energiser involved. Such cumulative data stores may provide an indication as to how equipment has performed over its useful lifespan and also the conditions under which such equipment has been used.
- Figure 1 shows a block schematic diagram of components employed and signal data lines provided in conjunction with a monitoring system provided in accordance with a preferred embodiment
- Figure 2 shows a flow chart of a software process executed by the event processor discussed with respect to figure 1.
- Figure 1 shows a block schematic diagram of components employed and signal data lines provided in conjunction with a monitoring system (1) formed in accordance with a preferred embodiment.
- the monitoring system (1) includes a number of input lines (2), a buffer data store in the form of a circular data buffer (3) and a number of cumulative data stores in the form of event counters (4).
- a series of input lines (2) are linked to a number of input comparators (5) which in turn feed their outputs into a microprocessor (6).
- the input lines (2) are linked via a series of interface stages (7) through to an electric fence energiser (8).
- Transducers or sensors within the energiser provide a source for performance data signals which in turn are transmitted through to the input lines (2).
- a series of electrical comparators (5) are used to filter the signals on some of these lines (2) before the signals involved are supplied to a monitoring microprocessor (6).
- one single input line (2) is adapted to carry multiplexed, unfiltered performance data signals directly to the microprocessor (6).
- the buffer data store formed by the circular buffer (3) is configured to receive performance data readings from the microprocessor (6).
- the circular buffer can receive unfiltered samples or readings made from performance data signals and store these readings in the circular re-addressed memory locations within the buffer. As newer data readings are obtained, the older data stored in the addresses of the circular buffer will be overwritten.
- the comparators (5) are configured so as to provide either a high or low voltage signal only depending on the level of the performance data signal received. These comparators will in turn provide an interrupt or flag signal to the microprocessor (6) when a performance data signal is above or below a specific threshold level.
- the received comparator outputs can in turn be used by the microprocessor (6) to detect specific event conditions associated with the energiser (8).
- an event indicator subsequently generated by the microprocessor and represented through an increment signal sent to one or more of the cumulative data store counters (4).
- a single event will generate a single event indicator which in turn is used to increment the count of a single cumulative event counter (4).
- the monitoring system (1) also includes an output stage (9) which allows a user of the monitoring system to access the data or information stored within each type of data store (3,4). ln the embodiment discussed this output stage may be formed from an internal or external device which may be connected to the energiser with a specific data link and subsequently connected, either directly or indirectly, to a data processing unit such as a PC, or dedicated display unit.
- Such a unit may be a mobile or hand held unit, or maybe a full desk top appliance.
- These elements can provide a user interface which can allow the data stored by the monitoring system to be retrieved and displayed on demand to a user.
- Figure 2 shows a flowchart of a software process executed by the processor (6) discussed with respect to figure 1.
- the processor receives performance data signals via an input line.
- stage B the processor samples these received signals to provide performance data readings.
- the processor considers the input signals supplied by the comparators (5) to determine whether a specific energiser event has been detected. If a specific event has been detected, at stage D, the processor generates an event indicator signal which is used to subsequently update or increment one or more cumulative event counter data stores.
- step E the event processor stores the performance data readings it obtains at stage B within the memory locations of the circular event buffer. The processor then subsequently waits for a further energiser tick or pulse to trigger the same cycle of operations again.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004294055A AU2004294055B2 (en) | 2003-11-26 | 2004-11-25 | Monitoring method and system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ529802 | 2003-11-26 | ||
NZ529802A NZ529802A (en) | 2003-11-26 | 2003-11-26 | Monitoring method and system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005052607A1 true WO2005052607A1 (en) | 2005-06-09 |
Family
ID=31987743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NZ2004/000301 WO2005052607A1 (en) | 2003-11-26 | 2004-11-25 | Monitoring method and system |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2004294055B2 (en) |
NZ (1) | NZ529802A (en) |
WO (1) | WO2005052607A1 (en) |
ZA (1) | ZA200605068B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3055190A1 (en) * | 2016-08-31 | 2018-03-02 | Lacme Holding | CONTROL SYSTEM FOR ELECTRICAL FENCE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297633A (en) * | 1975-12-23 | 1981-10-27 | The University Of Melbourne | Electric fence monitoring system with energizer, responder and receiver |
US5982291A (en) * | 1997-03-31 | 1999-11-09 | Williams; Julie A. | Electric fence security system |
AU735681B3 (en) * | 1999-09-06 | 2001-07-12 | Paul David Thompson | Electric fence monitor |
US20020033756A1 (en) * | 2000-09-12 | 2002-03-21 | Valery Hamm | Monitoring system for electric fencing |
-
2003
- 2003-11-26 NZ NZ529802A patent/NZ529802A/en not_active IP Right Cessation
-
2004
- 2004-11-25 WO PCT/NZ2004/000301 patent/WO2005052607A1/en active Application Filing
- 2004-11-25 ZA ZA200605068A patent/ZA200605068B/en unknown
- 2004-11-25 AU AU2004294055A patent/AU2004294055B2/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297633A (en) * | 1975-12-23 | 1981-10-27 | The University Of Melbourne | Electric fence monitoring system with energizer, responder and receiver |
US5982291A (en) * | 1997-03-31 | 1999-11-09 | Williams; Julie A. | Electric fence security system |
AU735681B3 (en) * | 1999-09-06 | 2001-07-12 | Paul David Thompson | Electric fence monitor |
US20020033756A1 (en) * | 2000-09-12 | 2002-03-21 | Valery Hamm | Monitoring system for electric fencing |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3055190A1 (en) * | 2016-08-31 | 2018-03-02 | Lacme Holding | CONTROL SYSTEM FOR ELECTRICAL FENCE |
EP3289861A1 (en) * | 2016-08-31 | 2018-03-07 | Lacme Holding | Control system for an electrical enclosure |
Also Published As
Publication number | Publication date |
---|---|
NZ529802A (en) | 2006-10-27 |
AU2004294055B2 (en) | 2011-05-12 |
ZA200605068B (en) | 2009-02-25 |
AU2004294055A1 (en) | 2005-06-09 |
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