EP2135491B1 - Verfahren zur steuerung eines elektrozauns - Google Patents

Verfahren zur steuerung eines elektrozauns Download PDF

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Publication number
EP2135491B1
EP2135491B1 EP08761819A EP08761819A EP2135491B1 EP 2135491 B1 EP2135491 B1 EP 2135491B1 EP 08761819 A EP08761819 A EP 08761819A EP 08761819 A EP08761819 A EP 08761819A EP 2135491 B1 EP2135491 B1 EP 2135491B1
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Prior art keywords
capacitor
discharge
transformer
electric fence
energizer
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French (fr)
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EP2135491A2 (de
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Valéry Hamm
Yves Mulet-Marquis
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Lacme Holding SA
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Lacme Holding SA
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05C—ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, OR GUIDING LIVING BEINGS
    • H05C1/00—Circuits or apparatus for generating electric shock effects
    • H05C1/04—Circuits or apparatus for generating electric shock effects providing pulse voltages

Definitions

  • the subject of the present invention is a method of controlling an electric fence energizer and an electric fence energizer for carrying out this method.
  • Electric fences are intended to protect spaces, and especially fields, against the intrusion or the exit of an animal.
  • the document WO 88/10059 discloses an electric fence energizer having two storage capacitors, the second capacitor being adapted to be discharged when the energy delivered by the discharge of the first capacitor is no longer sufficient.
  • the document WO 00/35253 proposes an electric fence energizer comprising one or more capacitors (s) whose charge level is controlled so that, when the rate of change of the equivalent resistance observed at the terminals of the energizer takes a value greater than a predetermined threshold during a predetermined period, the charge level of the capacitor (s) is modified to increase the chances, for example, of disengaging an animal entangled in the fence.
  • the energizer described in this document has the disadvantage that the electronics required to manage the charge level of a capacitor is relatively expensive, to a lesser extent than that necessary to accurately monitor the rate of change. equivalent resistance.
  • the change of the charge level does not make it possible to instantly modify the current pulse and can therefore only be applied to the following cycles.
  • ABS accidents are accidents due to a particularly low value (well below 500 ⁇ and in some cases as low as 50 ⁇ ) of the body impedance of the victim, which is the case when the pulse is circulating. through the victim's head.
  • the AS / NZS 3014: 2003 electrical fence installation standard was updated by an amendment of 10 March 2006, which provides for an addition to Annex A 5.1. on the instructions for use of energizers. It informs the user of certain potentially dangerous energizers that he must set up one, or several (depending on the number of conductors and / or branches to his enclosure) local power limiters (in the form of resistance (s) of 500 Ohm) upstream of any point in the enclosure where it is possible for a child who is not supervised and / or not aware of the risks of the electric fence to arrive.
  • local power limiters in the form of resistance (s) of 500 Ohm
  • the patent FR 2,857,554 proposes an electric fence energizer controlled so that when the equivalent resistance across the energizer is in the 'high impedance' area (> 2000 ⁇ ) or in the 'low impedance' area (500 to 2000 ⁇ ) ) the discharge of the capacitor is systematically interrupted to maintain a low energy pulse, and, when the value of the equivalent resistance across the energizer is for the first time in the 'ultra-low impedance' zone (0 to 500 ⁇ ), a timer is started during which the energy of the pulse remains unchanged, then, at the end of the delay, the energy of the discharge is increased.
  • This control method makes it possible to cope with a possible progressive vegetative surge while reducing the risk of an accident when the drop in resistance is due to the unexpected contact of a person, with impulse passing through his head.
  • the energizer described in this document has the disadvantage that the energy of the pulse, which is of the order of 500 mJ, is not always sufficient to ensure good guarding security in a 'high impedance' zone or 'low impedance' because the energy can be consumed in significant proportions because of the initial choice of a poor driver or the progressive appearance of losses 'series' (for example damage at the junctions, conductors and / or grounding).
  • losses 'series' for example damage at the junctions, conductors and / or grounding.
  • the patent FR 2,818,868 proposes an energizer controlled so that, when the equivalent resistance across the energizer is lowered particularly low to be in the 'ultra-low impedance' zone, the energizer stores and delivers a pulse of very high energy, then when the equivalent resistance across the energizer rises suddenly to return to the 'low impedance' zone or the 'high impedance' zone, following, for example, the opening by a user of a downstream barrier gateway on the enclosure, the energizer prevents the delivery of this pulse of too high energy.
  • a pulse is prepared as a function of the equivalent resistance measured in the preceding cycle, and, when the energizer detects during the current cycle a power or a voltage greater than a predetermined limit depending on the equivalent resistance measured in the previous cycle. energizer blocks or derives part of the pulse of the current cycle.
  • the type of accident against which this document seeks to combat is an accident where the human body presents a classical impedance. say greater than 500 Ohm.
  • the control method of the energizer described in this document does not reduce the risk of accident "abnormal" because it does not describe the detection of a decrease in equivalent resistance across the energizer.
  • the preparation of an impulse as a function of the equivalent resistance measured in the previous cycle leads to a limitation of the available power, which can be detrimental in terms of guard security and / or economic optimization of the costs of the apparatus.
  • the present invention aims to provide a method of controlling an electric fence energizer which avoids, or at least reduces, some of the aforementioned drawbacks, which allows to reduce the risk of an "abnormal" fatal accident - and / or a lesser degree of fainting - while maintaining maximum guard security, and offering the consumer a real choice by being simple to implement and economical.
  • the invention also aims to propose an electric fence energizer adapted to implement the method.
  • the first and the said at least one other capacitor systematically discharge all on the equivalent resistance present across the secondary that it evolves in 'high impedance', in 'low impedance 'or' ultra low impedance '.
  • This configuration is economical in that it simply, and almost always, uses all the capacitors.
  • step d) comprises a substep f) of completing said delay when said equivalent resistance returns to above said predetermined threshold.
  • said energizer comprises adjustment means for adjusting the duration of said delay.
  • said energizer comprises adjustment means for adjusting the value of said threshold.
  • steps c) and d) are performed by not triggering the discharge of all or part of said at least one other capacitor.
  • steps c) and d) are performed by deriving the discharge of all or part of said at least one other capacitor to a shunt.
  • steps c) and d) are performed by interrupting the discharge of all or part of said at least one other capacitor.
  • the portion of said at least one other capacitor may vary during one or more subsequent cycles of the delay (without ever returning to a situation where said at least one other capacitor would be fully discharged during one of the cycles of the delay).
  • the invention also relates to a fence energizer comprising a first capacitor as defined in claim 7, at least one other capacitor, and an electronic control module capable of performing the steps of the control method.
  • the energizer comprises one or more additional discharge capacitors (s) for which there is at least a range of equivalent resistors on which said additional discharge capacitors (s) are never allowed to discharge.
  • said predetermined threshold is greater than 250 Ohm and less than 2000 Ohm.
  • said predetermined threshold is substantially equal to 500 Ohm.
  • the energizer 1 A comprises a transformer whose primary 4 A is mounted between the input terminal 2 A and a common point 7 A.
  • a thyristor T A, 1 In parallel on the primary 4 A and the energy storage capacitors C A, 1 to C A, n , is connected a thyristor T A, 1 with its trigger G A, 1 .
  • a diode 8 is connected between terminals 2 A and 3 A, in a conventional manner for those skilled in the art, to protect the thyristor T A, 1 when the current is reversed in the LC circuit formed by the primary 4 A and capacitors C A, 1 to C A, n .
  • the primary 4 A of the transformer is coupled, via a magnetic circuit 6 A , to the secondary 5 A of the transformer.
  • the terminals of Release 9 A, 10 A to 5 A secondary supply the conducting elements of the closure (not shown).
  • Capacitors C A, 1 to C A, n are charged at the same voltage V c by several hundred volts by known means (not shown).
  • a control pulse is applied to the gate G A, 1 of the thyristor T A, 1 , it becomes conductive and the capacitors C A, 1 to C A, n are discharged through the primary 4 A of the transformer.
  • a pulse then appears at the terminals of the secondary 5A .
  • the energizer 1 A comprises an electronic control module (not shown) for triggering the thyristor T A, 1 by means of its trigger G A, 1 to control the discharge of the capacitors C A, 1 to C A, n .
  • the energy E of the output pulse that is to say the energy delivered to each pulse by the energizer 1 A , varies as a function of the equivalent resistance R present between the output terminals 9 A and 10 A.
  • the equivalent resistance R is the resistance of the loopback circuit, that is to say the resistance corresponding to the various components of the combination of the fence, weeds and other "parallel” losses, of the animal and the return grounding and other "series” losses.
  • the energizer 1 A delivers the same pulses at each cycle as that of the first second, that at the end for a minute or an hour, for example.
  • an electric fencing energizer 1 B having two input terminals 2 B and 3 B connected to a known power supply circuit and not shown.
  • a diode 8B is connected between terminals 2 and B 3 and B plays the same role as the diode 8 A of the energizer 1A.
  • the energizer 1 B comprises a transformer whose primary 4 B is mounted between the input terminal 2 B and a common point 7 B.
  • a set of storage capacitors C B, 1 to C B, n , n being an integer greater than or equal to 2, is connected in parallel between the common point 7 B and the input terminal 3 B.
  • the capacitor C B, 1 and the subset of capacitors C B, 2 to C B, n are respectively connected in series with a diode D B, 1 and D B, 2 , to prevent the capacitor C B, 1 and the subset of capacitors C B, 2 to C B, n can be discharged into each other.
  • the common point of the cathodes of the diodes D B, 1 and D B, 2 is connected on the one hand to the anode of the diode 8 B and on the other hand to the input terminal 3 B.
  • a thyristor T B, 1 with its trigger G B, 1 In parallel with the primary 4 B and the energy storage capacitor C B, 1 is connected a thyristor T B, 1 with its trigger G B, 1 .
  • n In parallel with the primary 4 B and the subset of capacitors C B, 2 to C B, n is connected a thyristor T B, 2 with its trigger G B, 2 .
  • the capacitor C B, 1 and the subset of capacitors C B, 2 to C B, n are charged at the same voltage V c by several hundred volts by means known and not shown.
  • the diodes D B, 1 and D B, 2 ensure that the capacitor C B, 1 and the subset of capacitors C B, 2 to C B, n are charged to the same voltage and that the capacitor C B, 1 d one side and the subset of capacitors C B, 2 to C B, n of the other can be discharged separately without changing the state of the other remaining subset. For example, when a control pulse is applied to the gate G B, 1 of the thyristor T B, 1 , it becomes conductive and the capacitor C B, 1 is discharged through the primary 4 B of the transformer. A first pulse then appears across the secondary 5 B. The subset of capacitors C B, 2 to C B, n remains charged because of the presence of the diode D B, 2 which prevents it from being discharged into the capacitor C B, 1 .
  • the pulse across the secondary B is therefore a complex pulse consisting of a sequence of two successive individual pulses very close together or possibly partially superimposed.
  • the energy of the complex impulse is the sum of the energies of the individual impulses.
  • An individual pulse can have a duration of between a few hundred microseconds and 1 to 2 milliseconds.
  • Physiological phenomena causes of the painful sensation felt by an animal when in contact with the fence wire, have response times of tens to hundreds of milliseconds. Consequently, as long as the total duration of the complex pulse is typically less than about 20 ms, the sensation felt by the animal is identical to that felt when it receives a single pulse whose energy is equal to the sum of the energies. individual pulses.
  • the energizer 1B comprises an electronic control module (not shown) for triggering each thyristor T B, 1 and T B, 2 by means of its trigger G B, 1 and G B, 2 to control the discharge, respectively , the capacitor C B, 1 and the capacitor subset C B, 2 to C B, n .
  • an electronic control module (not shown) for triggering each thyristor T B, 1 and T B, 2 by means of its trigger G B, 1 and G B, 2 to control the discharge, respectively , the capacitor C B, 1 and the capacitor subset C B, 2 to C B, n .
  • step 100 the method is initialized.
  • Step 100 is performed periodically, the period being for example about a little more than one second.
  • This step 100 is spread over most of the period and allows the capacitor C B, 1 and the subset of capacitors C B, 2 to C B, n to recharge.
  • the subsequent steps of the process are very little spread over time because the standard applicable to fence electrifiers generally limits the duration of a complex pulse to a maximum of 10 ms and requires a difference of at least one second between two complex impulses.
  • step 101 the electronic module controls the discharge of the first capacitor C B, 1 in the primary 4 B.
  • step 102 the electronic module determines an estimate of the equivalent electrical resistance R t at the terminals 9 B , 10 B of the secondary B.
  • the first capacitor C B, 1 thus serves as a "pilot fish" for determining the resistance R t at the terminals 9 B , 10 B of the secondary B.
  • the peak voltage of the energizer output discharge pulse has overshoots depending on the more or less significant presence of imaginary components in the equivalent complex impedance terminals 9 B , 10 B of the secondary 5 B , it is preferable not to assimilate too roughly recovery under a predefined limit of voltage at a passage under the threshold R o .
  • the determination or estimation of the resistance R t is carried out as described in the document FR 2 863 816 . Such determination is economical and relatively reliable.
  • step 103 the electronic module tests a current timing condition which is verified when a timer has been started during a previous pass in step 107. When the condition is verified, the process proceeds to step 112 otherwise the process proceeds to step 104.
  • step 104 it is considered that, at cycle K t , the current timing condition is not verified and the method therefore proceeds to step 104.
  • step 104 the electronic module tests the condition "Since the last time delay, R t is (it) raised above R o (?)". This condition is explained in the following way: since the last triggering of a timer, has the value of R t become greater than R o (even transiently).
  • the process proceeds to step 105, otherwise the process proceeds to step 109.
  • step 105 It is considered, for example, that since the start of the energizer timer has never had the opportunity to trigger (the process has not yet gone through step 107) and therefore we move to step 105.
  • step 105 the electronic module tests a sufficient resistance condition which is verified when the resistance R t determined in step 102 is greater than the threshold R o . When the condition is satisfied, the process proceeds to step 106, otherwise the process proceeds to step 107.
  • step 106 it is considered that at cycle K t , the condition of sufficient resistance is verified and the method therefore proceeds to step 106.
  • step 106 the electronic module controls the discharge of the subset of capacitors C B, 2 to C B, n .
  • Step 106 is performed almost simultaneously at step 101 so that the complex pulse is felt by the animal as a single pulse, as previously described.
  • step 106 the process returns to step 100.
  • the cycle K t as described corresponds to the most frequent operation of the energizer 1 B , that is to say the operation of the energizer 1 B on a good or a poor fence of reasonable size and not completely invaded by the vegetation: the resistance R t is then above the critical threshold R o . Steps 100 to 106 are thus executed at each cycle K as long as the resistance R remains greater than the threshold R o .
  • the energizer 1 B delivers a pulse I whose energy is equal to several Joules in 'low impedance' zone, the energy can even approach the conventional value of 5 Joules provided that the characteristics of the capacitors C B, 1 to C B, n and transformer allow, and that any conditions set by the standard on the corresponding impedance area are met.
  • step 105 it is now considered that, for example, at cycle K t + 5 , the sufficient resistance condition of step 105 is no longer satisfied, that is to say that the resistance R t has just passed below the threshold critical R o , and the method therefore goes to step 107.
  • the electronic module starts a timer.
  • the time delay has a predetermined duration, which corresponds to an integer N greater than or possibly equal to 1 of cycles K.
  • the number N corresponds to a number of cycles subsequent to the current cycle. They will allow a person possibly under the influence of alcohol or drugs or limited in his recoil capacity and receiving the current impulse through the head (so likely to be partially stunned) of withdraw with less pain and therefore less panic, from the fence.
  • a value of N equivalent to at least one minute is preferably contemplated but smaller or larger values of N may be chosen.
  • step 108 the electronic module prevents the discharge of all or part of the subset of capacitors C B, 2 to C B, n in the primary 4 B , for example by controlling the non-triggering of the discharge of the sub-unit.
  • capacitor set C B, 2 to C B, n Alternatively, the discharge, or part of the discharge, of the subset of capacitors C B, 2 to C B, n is derived in a shunt (not shown), or is interrupted. Such an interruption can be carried out for example by an electronic sub-circuit based on IGBT (not shown in FIG. figure 3 ) in place of the thyristor T B, 2 .
  • This step makes it possible to decrease the energy of the current pulse I t + 5 .
  • the adaptation of the energy of the pulse I is carried out instantaneously in real time, that is to say that the electronic module prevents the discharge of the subset capacitors C B, 2 to C B, n in the current cycle itself, here the cycle K t + 5 , in which the crossing of the threshold R o has been detected.
  • step 103 At the K t + 6 cycle, the condition of step 103 is checked, since a timer has been started at cycle K t + 5 when going to step 107. The process therefore proceeds to step 112.
  • step 112 the electronic module tests a completed delay condition which is verified when the expected duration for the delay, corresponding to the number N of cycles, has elapsed. When the condition is satisfied, the process resumes at step 104, otherwise the process proceeds to step 113.
  • N 2 is considered.
  • the timer has been started at cycle K t + 5 , so at cycle K t + 6 the condition of step 112 is not checked and the process proceeds to step 113.
  • step 113 the electronic module prevents the discharge of all or part of the subset of capacitors C B, 2 to C B, n in the primary 4 B.
  • step 113 the process returns to step 100.
  • cycle K t + 7 it is considered that the condition of step 112 is verified and the method therefore resumes at step 104.
  • step 109 It is assumed that, for example, never since the start of the time delay at cycle K t + 5 the equivalent resistance observed at step 102 at each successive cycle has not risen above the threshold R o , then we go to step 109.
  • step 109 the electronic module controls the discharge of the subset of capacitors C B, 2 to C B, n .
  • step 109 is performed almost simultaneously at step 101 so that the complex pulse is felt by the animal as a single pulse.
  • step 109 has been carried out, the process returns to step 100. And for the following cycles, as long as the equivalent resistance R does not rise above R o - for example, as long as the vegetation does not decrease with the return of cold seasons -, the process continues to loop through steps 100 to 104 then 109.
  • the pulse can be reduced or not depending on whether one is in the case where the impedance "becomes" below the threshold R 0 or not.
  • the pulse is reduced, but when the impedance remains below the threshold R 0 for a predetermined time, the pulse is increased again.
  • the purpose of the "basic" process is therefore to provide a lower cost for personal safety when an accident risk has been detected and to optimize safety when the risk of accidents is lower.
  • step 110 We thus place our directly in the cycle K t + 6 , where the condition of the step 103 is verified, since a delay has been started at the cycle K t + 5 during the transition to step 107. The process therefore proceeds to step 110.
  • step 110 the electronic module tests a sufficient resistance condition which is verified when the resistance R determined in step 102, here the resistance R t + 6 , is greater than the threshold R o .
  • This step is similar to step 105.
  • the process proceeds to step 111, otherwise the process proceeds to step 112.
  • step 110 it is considered that, at the cycle K t + 6 , the sufficient resistance condition of step 110 is not satisfied and the method therefore proceeds to step 112 and, shortly thereafter, is resumed at step 104 or go to step 113, both already described.
  • step 107 of the cycle K t + 10 the current timing condition is checked and the method goes to step 110. But this time it is considered that, for example, in step 110, the condition of sufficient strength is checked. In this case, the process proceeds to step 111.
  • step 111 the electronic module controls the stopping of the timer and the process then proceeds to step 112 already described.
  • Step 111 is therefore, for example, performed following the contact of a human body of very low impedance with the electric fence followed by a rapid withdrawal, or following a fluctuation of R in the vicinity of the threshold R o because of Parallel losses unstable as often in the presence of wind. It should be noted, however, that if the vegetation continues to progress, the crossing of the R o threshold will become straightforward and a complete delay will finally succeed: the guard security can then take priority.
  • the "preferred" method of control is intended to privilege the safety of persons when an accident risk has been detected and to maximize guard security in all other cases, especially from the first. cycle or it is detected that the initially proven risk of accident has become less.
  • the energy E delivered to each pulse by the energizer 1 B varies, on the one hand, as a function of the equivalent resistance R, and, on the other hand, for the resistances lower than R o , depending time.
  • the energy E of the pulses differs indeed in this case depending on whether or not one is in the delay period.
  • the energy E is momentarily restricted to that of an energizer much less powerful than what could be delivered if all the capacitors C B, 1 to C B, n were discharged, and, out of the time delay, for any value of the resistance R, the energy E is nominal.
  • the energizer 1 B can therefore provide two very distinct output pulses depending on whether one is in the delay period or not. Except during the delay, the energy of the pulse is that resulting from the discharge of all the capacitors present in the energizer which gives the invention its optimal safety / cost ratio.
  • the threshold R o may have been programmed by the manufacturer of the energizer or be registered by the user using adjustment means known to those skilled in the art (keyboard, screen, for example. ).
  • the energizer may comprise adjustment means (not shown) of the timer allowing a user to choose a new duration thereof.
  • the threshold R o is typically, but not necessarily, less than 2000 Ohm and should preferably be equal to or of the order of 500 ⁇ . Note that the threshold R o may nevertheless be chosen higher, or lower, for example 400 ⁇ or 250 ⁇ , so that the delay is not launched unnecessarily at each contact of an animal with the fence while the risk of "abnormal" accident is not proven.
  • the lower the threshold R o is chosen the lower the probability that the resistance R will fall below the threshold R o when an animal comes into contact. In this way, the guard security is increased since the probability is minimal that a contact of an animal triggers the delay, and therefore that the animal receives a possibly too weak discharge.
  • the threshold R o too low, for example lower than 250 ⁇ , if one does not want to compromise the safety of the people.
  • the Standard IEC TS 60479-1 in its 4th edition of July 2005 allows to observe that the resistance of a human body is always between typically 50 ⁇ and 250 ⁇ in case of path of the pulse through the head.
  • the values mentioned for the threshold R o can be adapted according to the type of animal mainly kept, the type of enclosure envisaged, the technological choices retained for the characteristics of the capacitors C B, 1 to C B, n , and of the transformer , for example.
  • the values mentioned for the threshold R o are therefore not limiting.
  • the "pilot fish” capacitor C 1 is chosen to, during a time delay, maximize the safety of guard while remaining reasonable in terms of risk, that is to say by preventing a fatal accident "unnatural".
  • the decrease of the energy of the pulse during this phase must be clear, for example at least 20% and preferably 50%, with respect to the "normal" pulse that would have been generated if the number of capacitors had not been momentarily reduced. This impulse must nevertheless remain strong enough to limit at best the problems of security of custody.
  • the capacitor "pilot fish” C 1 is for example chosen to allow a discharge of the order of 1 or 2 Joules.
  • a contact of a human body of too low impedance on the electric fence does not present a risk of being lethal or excessive risk of fading.
  • the shock if it triggers the delay, is indeed limited to the only power of the discharge pulse of the "pilot fish" C B, 1 . It should be noted that the longer the time delay, the greater the security of the people (without the security of custody being considerably reduced because animals already trained at the electric fence respect it for a long time even if its power is temporarily reduced).
  • the figure 6 illustrates a second embodiment of the invention.
  • the elements of the energizer 1 C identical to the first embodiment are designated by the same reference numeral and are not described again.
  • the capacitor C B, 1 is replaced by the combination of two capacitors C ' C, 1 and C " C, 1 intended to be triggered simultaneously by the same thyristor T C, 1 , or alternatively (not shown) by two independent thyristors.
  • the capacitors of the capacitor sub-assembly C C, 2 to C C, n are controlled by several thyristors T C, 2 to T C, n .
  • the use of several thyristors T C, 2 to T C, n allows to vary the number of capacitors C C, 2 to C C, n during one or more cycles of the timer. Note that in this case at least one capacitor of the subset of capacitors C C, 2 to C C, n is not discharged during each cycle of the timer (but it is not necessarily always the same that n ' is not unloaded).
  • the energizer 1 C comprises one or more additional capacitor (s) C C, x C C, z , the discharge in the primary (4) of said transformer is controlled, through one (or more) ), thyristor (s) T Cx (possibly T Cz ) under certain conditions of equivalent resistance R and only outside the delay period.
  • the discharge of the capacitors C C, x C C, z can be controlled systematically including during the time delay, or only for certain given cycles (1 cycle on N, sequence of random cycles, prerecorded series of cycles, by example.) of the delay and / or post-delay.
  • IGBT can be controlled the interruption of the discharge, or a portion of the discharge, the capacitor C 1 and / or part of the subset of capacitors C 2 to C n and / or capacitors C x to C z .
  • the charge rate of the capacitor C 1 and / or a portion of the subset of capacitors C 2 to C n and / or capacitors C x to C z can also be controlled, in addition to the control of the discharge, for some or all possible values of the resistor R, and / or during or excluding the delay, or for any other possible reason such as for example a random function to each cycle, or the state of the power supply of the energizer, for example.

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  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Catching Or Destruction (AREA)
  • Testing Relating To Insulation (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Road Signs Or Road Markings (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Protection Of Transformers (AREA)
  • Electrotherapy Devices (AREA)

Claims (13)

  1. Verfahren zum Prüfen eines Elektrozaungeräts (1) mit periodischen Impulsen, umfassend einen ersten Kondensator (C1) und mindestens einen weiteren Kondensator (C2 bis Cn), wobei der erste Kondensator (C1) und der mindestens eine weitere Kondensator (C2 bis Cn) dazu geeignet sind, um sich praktisch gleichzeitig in die Primärseite (4) eines Transformators des Elektrozaungeräts (1) entladen zu werden, um aus Sicht eines Tiers einen Makroimpuls zu bilden, dadurch gekennzeichnet, dass es für eine Reihe von aufeinanderfolgenden Betriebszyklen des Elektrozaungeräts oder für alle seine Zyklen folgende Schritte umfasst:
    a) Steuern (100) der Entladung des ersten Kondensators (C1) in die Primärseite (4) des Transformators, Bestimmen (101) aus der Entladung des ersten Kondensators (C1) einer Schätzung des Ersatzwiderstands (R) an den Klemmen der Sekundärseite (5) des Transformators, und Vergleichen (105) des Wertes des Ersatzwiderstands (R) mit einem vorherbestimmten Schwellenwert (Ro), und
    b) solange der Wert des Ersatzwiderstands (R) größer ist als der vorherbestimmte Schwellenwert (R0), bei jedem Zyklus Steuern (106) der Entladung des mindestens einen weiteren Kondensators (C2 bis Cn) in die Primärseite (4) des Transformators, oder
    c) sobald der Wert des Ersatzwiderstands (R) kleiner wird als der vorherbestimmte Schwellenwert (R0), Starten (107) einer Verzögerung und Verhindern (108) der Entladung des ganzen oder eines Teils des mindestens einen weiteren Kondensators (C2 bis Cn) in die Primärseite (4) des Transformators während des laufenden Zyklus, und
    d) während der Verzögerung, Verhindern (113) bei jedem Zyklus der Entladung des ganzen oder eines Teils des mindestens einen weiteren Kondensators (C2 bis Cn) in die Primärseite (4) des Transformators, und
    e) wenn die Verzögerung beendet ist und solange sie nicht wieder ausgelöst wird, bei jedem Zyklus Steuern (106 oder 109) der Entladung des mindestens einen weiteren Kondensators (C2 bis Cn) in die Primärseite (4) des Transformators.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass Schritt d) einen Teilschritt f) des Beendens (111) der Verzögerung umfasst, wenn der Ersatzwiderstand (R) wieder größer als der vorherbestimmte Schwellenwert (Ro) wird.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schritte c) und d) ausgeführt werden durch Steuern des Nichtauslösens der Entladung des ganzen oder eines Teils des mindestens einen weiteren Kondensators (C2 bis Cn).
  4. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schritte c) und d) ausgeführt werden durch Abzweigen der ganzen oder teilweisen Entladung des mindestens einen weiteren Kondensators (C2 bis Cn) auf einen Nebenwiderstand.
  5. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schritte c) und d) ausgeführt werden durch Unterbrechen der Entladung des ganzen oder eines Teils des mindestens einen weiteren Kondensators (C2 bis Cn).
  6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass in den Schritten c) und d) der Teil des mindestens einen weiteren Kondensators, dessen Entladung verhindert wird, bei einem oder mehreren aufeinanderfolgenden Zyklen der Verzögerung variiert.
  7. Elektrozaungerät, umfassend einen ersten Kondensator (C1), mindestens einen weiteren Kondensator (C2 bis Cn) und ein elektronisches Steuermodul, das dazu geeignet ist, um die Schritte des Prüfverfahrens nach einem der Ansprüche 1 bis 6 auszuführen.
  8. Elektrozaungerät nach Anspruch 7, umfassend einen oder mehrere zusätzliche Entladungskondensatoren (Cx bis Cz), für die es mindestens einen Bereich von Ersatzwiderständen (R) gibt, in dem die zusätzlichen Entladungskondensatoren Cx (bis Cz) sich nie in die Primärseite (4) des Transformators entladen dürfen.
  9. Elektrozaungerät nach Anspruch 7 oder 8, für das der vorherbestimmte Schwellenwert (R0) größer als 250 Ohm und kleiner als 2000 Ohm ist.
  10. Elektrozaungerät nach Anspruch 9, für das der vorherbestimmte Schwellenwert (R0) im Wesentlichen gleich 500 Ohm ist.
  11. Elektrozaungerät nach einem der Ansprüche 7 bis 10, für das der Ladefaktor mindestens eines der Kondensatoren (C1, C2 bis Cn, Cx bis Cz) zusätzlich zur Prüfung der Entladung geprüft werden kann.
  12. Elektrozaungerät nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass es Einstellmittel umfasst, die es ermöglichen, die Dauer der Verzögerung einzustellen.
  13. Elektrozaungerät nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass es Einstellmittel umfasst, die es ermöglichen, den Wert des Schwellenwerts (R0) einzustellen.
EP08761819A 2007-02-07 2008-01-30 Verfahren zur steuerung eines elektrozauns Active EP2135491B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0700875A FR2912278A1 (fr) 2007-02-07 2007-02-07 Procede de controle d'un electrificateur de cloture electrique
PCT/FR2008/000111 WO2008110684A2 (fr) 2007-02-07 2008-01-30 Procede de controle d'un electrificateur de cloture electrique

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EP2135491A2 EP2135491A2 (de) 2009-12-23
EP2135491B1 true EP2135491B1 (de) 2010-08-04

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EP (1) EP2135491B1 (de)
AT (1) ATE476858T1 (de)
DE (1) DE602008002068D1 (de)
FR (1) FR2912278A1 (de)
WO (1) WO2008110684A2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ272112A (en) * 1995-05-12 1997-10-24 Stafix Electric Fencing Ltd Electric fence pulse generator: pulse height maintained while duration varied according to fence load
AU1420000A (en) * 1998-12-08 2000-06-26 Gallagher Group Limited Improvement to electric fence energisers
NZ509061A (en) * 2000-12-21 2003-04-29 Tru Test Ltd Output protected electric fence energiser
NZ535719A (en) * 2004-10-04 2007-06-29 Tru Test Ltd A transformerless semiconductor switched electric fence energiser charging capacitors in parallel & discharging in series

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WO2008110684A2 (fr) 2008-09-18
DE602008002068D1 (de) 2010-09-16
WO2008110684A3 (fr) 2008-11-06
EP2135491A2 (de) 2009-12-23
ATE476858T1 (de) 2010-08-15
FR2912278A1 (fr) 2008-08-08

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