CN108615319A - Tension type electronic fence alarm system - Google Patents
Tension type electronic fence alarm system Download PDFInfo
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- CN108615319A CN108615319A CN201810659222.2A CN201810659222A CN108615319A CN 108615319 A CN108615319 A CN 108615319A CN 201810659222 A CN201810659222 A CN 201810659222A CN 108615319 A CN108615319 A CN 108615319A
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- alarm
- tension
- timer
- tension voltage
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
-
- 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
- G08B25/001—Alarm cancelling procedures or alarm forwarding decisions, e.g. based on absence of alarm confirmation
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention relates to a kind of tension type electronic fence alarm systems, it includes several defence areas, alarm controller and alarm, each defence area includes several fence posts, several tension B alloy wires and tension sensor being arranged on fence post, tension B alloy wire one end is fixedly connected with side fence post, the other end is fixedly mounted on by tension sensor on the fence post of the other side, tension sensor connects alarm controller, and alarm controller connects alarm；The alarm controller includes the first alarm threshold X1, delayed alarm timer T1, the second alarm timer T2, falls reset threshold R and the second alarm threshold X2 after rise；System resets warning method using delayed alarm method or adaptive delay warning method or oscillation.Reasonable design, it is simple in structure, the false alarm caused by the natural climates phenomenon such as storm or typhoon can be effectively avoided, is further able to effectively avoid that because basal tension changes false alarm may be caused simultaneously, fails to report police.
Description
Technical field
The present invention relates to technical field of safety protection, and in particular to a kind of tension type electronic fence alarm system.
Background technology
Tension type electronic fence alarm system is widely used in the places such as school, oil depot, ammunition depot.Its front end of line without
Electricity realizes alarm by tension variation, safer compared to high voltage type fence alarm system.Tension type electronic fence alarm system
Usually it is made of tension generator, tension sensor, alarm controller and four part of alarm.Wherein, tension generator is usual
Including 4 or 8 tension B alloy wires, several tension rollers, several wire tension draw tongs and several tension springs etc..Tension generator is logical
Installation laying often is carried out around cell, garden or other enclosure walls for needing protection zone, backward pull B alloy wire has been laid and has been in one
Determine the tensioned state of tension, generates basal tension.When someone climbs enclosure wall and puts forth effort on the tension B alloy wire tightened（Such as
Hand is taken or foot steps down on tension B alloy wire, or in order to pass through and body arch between two adjacent tension B alloy wires when）, become larger
Alloy thread tension will be transmitted to tension sensor.Tension variation would generally cause the variation of resistance in tension sensor and to report
The tension voltage of alert controller output bigger.It is set when the tension voltage that alarm controller receives subtracts basal tension voltage and reaches
It will be to alarm output alarm signal when determining alarm threshold（Such as the voltage of 12V）, alarm passes through after receiving alarm signal
Light or loud speaker etc. send out alarm.
Tension type electronic fence alarm system is after coming into operation, over time, tension B alloy wire or tension bullet
Spring will produce fatigue and basal tension caused to become smaller, in addition, the variation of environment temperature can also cause alloy thread tension or tension bullet
The basal tension of spring changes, and basal tension change may lead to false alarm or fail to report police.
Tension type electronic fence alarm system is usually all an exposure in outdoor environment, in storm, especially
In the case of typhoon, very hightension can be caused, cause false alarm.
Invention content
To solve the above problems, the present invention proposes a kind of tension type electronic fence alarm system, reasonable design, structure letter
It is single, the false alarm caused by the natural climates phenomenon such as storm or typhoon can be effectively avoided, is further able to effectively keep away simultaneously
Exempt from that because basal tension changes false alarm may be caused, fail to report police.
A kind of tension type electronic fence alarm system, it includes several defence areas, alarm controller and alarm, Mei Gefang
Area includes several fence posts, several tension B alloy wires and tension sensor being arranged on fence post, tension B alloy wire one end
It is fixedly connected with side fence post, the other end is fixedly mounted on by tension sensor on the fence post of the other side, and tension sensor connects
Controller taking alarm, alarm controller connect alarm；The alarm controller includes the first alarm threshold X1, delayed alarm
Timer T1, the second alarm timer T2, reset threshold R and the second alarm threshold X2 is fallen after rise；System uses delayed alarm method
Or adaptive delay warning method or oscillation reset warning method.It is noted that the fence post of the present invention, which does not limit, to be hung down with ground
Straight pillar can be the pillar of various forms, as long as tension B alloy wire can be fixed；As long as in addition between fence post
Tension B alloy wire can be exceptionally straight, and the gap between tension B alloy wire effectively can avoid invader from entering, any to tension B alloy wire
Setting is all possible.
Delayed alarm method is by being more than that setting thresholding starts presignal delay timer in tension voltage, and in tension voltage
The method of presignal delay timer is resetted to avoid the natural climates phenomenon such as storm or typhoon when falling back to setting thresholding or less
Caused by false alarm.
Adaptive delay warning method is by being more than that setting thresholding starts presignal delay timer, and is opening in tension voltage
The method of presignal delay timer is resetted when below power current path to setting thresholding to avoid the natural gas such as storm or typhoon
False alarm caused by waiting phenomenon.Meanwhile the timing value by adaptively adjusting delayed alarm timer, to realize " additional tension
It is bigger, alarm the triggered time it is shorter " adaptive alarm.
Oscillation resets warning method by being more than that setting thresholding starts presignal delay timer in tension voltage, and in tension
Voltage reaches the method for reset presignal delay timer when falling reset threshold after rise compared to the difference of nearest tension voltage wave crest to keep away
False alarm caused by exempting from the natural climates phenomenon such as storm or typhoon.Simultaneously optionally, fixed by adaptively adjusting delayed alarm
When device timing value, to realize the adaptive alarm of " additional tension is bigger, alarm triggered time shorter ".
Above-mentioned technical proposal is improved further and is refined, is adopted in the basal tension voltage of the alarm controller
It is adjusted with the method for adjusting basal tension voltage based on effective tension voltage.
The method of basal tension voltage is adjusted by periodically recording tension voltage and according to note based on effective tension voltage
Record tension voltage adjustment basal tension voltage come avoid tension generator fatigue or variation of ambient temperature caused by false alarm or
Fail to report police.
Based on effective tension voltage adjust basal tension voltage method be specially：A tension is set for alarm controller
Voltage acquisition period and times of collection N, alarm controller tension voltage of each tension voltage acquisition periodic recording take recently
The average value of effective tension voltage in n times tension voltage as basal tension voltage, and when the tension voltage of record with it is current
When the difference of basal tension voltage is less than setting thresholding, then the tension voltage recorded is effective tension voltage, if n times are not recently
There are when effective tension voltage, then basal tension voltage remains unchanged, and basal tension voltage is in M rear adjustment of every record 1 time.
Above-mentioned technical proposal is improved further and is refined, M and N values are cold according to the fatigue or heat expansion of tension B alloy wire
Contracting causes the speed of tension variation and the assessment of amplitude of variation to be arranged.
Based on effective tension voltage adjust basal tension voltage method be specially：A tension is set for alarm controller
Voltage acquisition period and times of collection N, alarm controller tension voltage of each tension voltage acquisition periodic recording, work as record
The difference of tension voltage and current base tension voltage when being less than setting thresholding, then the tension voltage recorded is effective tension electricity
Pressure, acquisition counter add 1；Otherwise acquisition counter is reset to 0, when times of collection reaches the times of collection N of setting, takes nearest n times
The average value of the effective tension voltage of record is as new basal tension voltage, if effective tension voltage is not present in n times recently
When, then basal tension voltage remains unchanged.
Above-mentioned technical proposal is improved further and is refined, N values lead to according to tension generator fatigue or expand with heat and contract with cold
The assessment of the speed and amplitude of variation that cause tension variation is arranged.
Delayed alarm method, includes the following steps：
（1）Carry out alarm controller setting
The timing value of first alarm threshold X1 and delayed alarm timer T1 are set for alarm controller；Optionally, it is controlled for alarm
The timing value of the second alarm timer T2 is arranged in device processed.
（2）Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage, be reached in the additional tension voltage received
To start delay alarm timer T1 when the first alarm threshold X1, enter step（3）.
（3）Alarm controller judges whether to stop and reset delay alarm timer according to additional tension voltage status
If the additional tension voltage that alarm controller receives is less than the first alarm threshold X1, alarm controller stops and answers
Position delayed alarm timer T1, is transferred to step（2）；Otherwise it enters step（4）.
（4）Alarm controller judges whether triggering alarm
If time-out occurs for presignal delay timer, alarm controller stops and reset delay alarm timer T1, to alarm
Device output alarm signal, and entered step provided with alarm timer T2 is forbidden（5）, otherwise alarm in output
Step is transferred to after signal（2）.
（5）Alarm timer T2 is forbidden in alarm controller startup
Start after alarm controller output alarm signal and forbid alarm timer T2, alarm controller is within the T2 times no longer to report
Alert device output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, turn after T2 time-out
Enter step（2）.
Automatically delaying warning method, includes the following steps：
（1）Carry out alarm controller setting
The first alarm threshold X1 is set for alarm controller and optionally forbids alarm timer T2, and setting additional tension electricity
The correspondence of pressure and the timing value of delayed alarm timer T1.
（2）Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage, be reached in the additional tension voltage received
To start delay alarm timer T1 when the first alarm threshold X1, enter step（3）.
（3）Alarm controller adjusts the timing value of T1 according to additional tension voltage.
Alarm controller is according to additional tension voltage and step（1）Preset " additional tension voltage and delayed alarm timing
The correspondence of the timing value of device T1 " is adjusted the timing value of delayed alarm timer T1.
（4）Alarm controller judges whether to stop and reset delay alarm timer T1 according to additional tension voltage status
After delayed alarm device T1 starts, if the additional tension voltage that alarm controller receives is less than the first alarm threshold
X1, then alarm controller stopping and reset delay alarm T1, are transferred to step（2）；Otherwise it enters step（5）.
（5）Alarm controller judges whether triggering alarm
If time-out occurs for presignal delay timer, alarm controller stops and reset delay alarm timer T1, to alarm
Device output alarm signal, and entered step provided with alarm timer T2 is forbidden（6）, otherwise alarm in output
Step is transferred to after signal（2）.
（6）Alarm timer T2 is forbidden in alarm controller startup
Start after alarm controller output alarm signal and forbids alarm timer T2.Alarm controller is within the T2 times no longer to report
Alert device output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, turn after T2 time-out
Enter step（2）.
Oscillation resets warning method, includes the following steps：
（1）Carry out alarm controller setting
The first alarm threshold X1 is set for alarm controller and optionally forbids alarm timer T2, delayed alarm timer is set
The timing value of T1 or the correspondence of setting additional tension voltage and the timing value of delayed alarm timer T1, are further arranged back
Fall reset threshold R and optional second alarm threshold X2.
（2）Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage, be reached in the additional tension voltage received
To start delay alarm timer T1 when the first alarm threshold X1, and it is optionally into step（3）, or in start delay alarm
It is entered step after timer T1（4）.
（3）Alarm controller adjusts the timing value of T1 according to additional tension voltage.
Alarm controller is according to additional tension voltage and step（1）Preset " additional tension voltage and delayed alarm timing
The correspondence of the timing value of device T1 " is adjusted the timing value of delayed alarm timer T1.
（4）Alarm controller judges whether to stop and reset delay alarm timer according to additional tension voltage status
After delayed alarm timer T1 starts, alarm controller judges whether that additional tension electricity occurs according to additional tension voltage
It pushes back and falls, it refers to that the additional tension voltage that present sample obtains is obtained less than a upper sampling instant that additional tension current path, which occurs,
Additional tension voltage, and the difference between the additional tension voltage that the crest value of additional tension voltage and present sample obtain recently
Value, which reaches, falls reset threshold R after rise, and in case of additional tension current path, then alarm controller stops and reset delay is alarmed
Device is transferred to step（2）；Otherwise it enters step（5）.
（5）Alarm controller judges whether triggering alarm according to additional tension voltage and delayed alarm timer state
If the additional tension voltage that alarm controller receives reaches the second alarm threshold X2 before T1 time-out, or alarm is prolonged
Time-out occurs for slow timer, then alarm controller stops and reset delay alarm timer T1, to alarm output alarm signal,
And it is entered step provided with alarm timer T2 is forbidden（6）, step is otherwise transferred to after output alarm signal
（2）.
（6）Alarm timer T2 is forbidden in alarm controller startup
Start after alarm controller output alarm signal and forbid alarm timer T2, alarm controller is within the T2 times no longer to report
Alert device output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, turn after T2 time-out
Enter step（2）.
Above-mentioned technical proposal is improved further and is refined, additional tension voltage is determined with delayed alarm timer T1's
The correspondence of duration：T1 timing values under differential tension voltage are 1 second-additional tension voltage * regulation coefficients or pass through one
Additional tension voltage obtains T1 timing values with the table that T1 timing values are mapped.
The method have the advantages that reasonable design, simple in structure, can effectively avoid because the natural climates such as storm or typhoon are existing
The false alarm as caused by is further able to effectively avoid that because basal tension changes false alarm may be caused simultaneously, fails to report police.
Description of the drawings
Fig. 1 is tension type electronic fence alarm system connection diagram.
Fig. 2 is delayed alarm method flow chart.
Fig. 3 is adaptive delay warning method flow chart.
Fig. 4 is that oscillation resets warning method flow chart.
01 tension sensor of tension B alloy wire, 02 alarm controller, 03 alarm 04 in figure.
Specific implementation mode
Embodiment 1
A kind of tension type electronic fence alarm system, it includes several defence areas, alarm controller 03 and alarm 04, Mei Gefang
Area includes several fence posts, several tension B alloy wires 01 being arranged on fence post and tension sensor 02, tension B alloy wire
01 one end is fixedly connected with side fence post, and the other end is fixedly mounted on by tension sensor 02 on the fence post of the other side, tension
Sensor 023 connects alarm controller 03, and alarm controller 03 connects alarm 04；The alarm controller 03 includes first
Alarm threshold X1, delayed alarm timer T1, the second alarm timer T2, reset threshold R and the second alarm threshold X2 is fallen after rise；
System resets warning method using delayed alarm method or adaptive delay warning method or oscillation.
Embodiment 2
On the basis of embodiment 1, the basal tension voltage of alarm controller 03 described further, which uses, is based on effective tension
The method of voltage adjustment basal tension voltage is adjusted.
Embodiment 3
A kind of tension type electronic fence alarm system, it includes several defence areas, alarm controller 03 and alarm 04, Mei Gefang
Area includes several fence posts, several tension B alloy wires 01 being arranged on fence post and tension sensor 02, tension B alloy wire
01 one end is fixedly connected with side fence post, and the other end is fixedly mounted on by tension sensor 02 on the fence post of the other side, tension
Sensor 02 connects alarm controller 03, and alarm controller 03 connects alarm 04；The alarm controller 03 includes first
Alarm threshold X1, delayed alarm timer T1, the second alarm timer T2, reset threshold R and the second alarm threshold X2 is fallen after rise；
The basal tension voltage of the alarm controller 03 use based on effective tension voltage adjust basal tension voltage method into
Row adjustment.
Based on effective tension voltage adjust basal tension voltage method be specially：One is set for alarm controller 03
Power voltage acquisition period and times of collection N, 03 each tension voltage of tension voltage acquisition periodic recording of alarm controller, take
The average value of effective tension voltage in nearest n times tension voltage as basal tension voltage, and when the tension voltage of record and
When the difference of current base tension voltage is less than setting thresholding, then the tension voltage recorded is effective tension voltage, if nearest N
Secondary there is no when effective tension voltage, then basal tension voltage remains unchanged, and basal tension voltage is in the M rear adjustment 1 of every record
It is secondary；M and N values according to the fatigue of tension B alloy wire or expand with heat and contract with cold cause tension variation speed and amplitude of variation assessment come
Setting.
Based on effective tension voltage adjust basal tension voltage method be specially：One is set for alarm controller 03
Power voltage acquisition period and times of collection N, 03 each tension voltage of tension voltage acquisition periodic recording of alarm controller, when
When the tension voltage of record is less than setting thresholding with the difference of current base tension voltage, then the tension voltage recorded is effective
Power voltage, acquisition counter add 1；Otherwise acquisition counter is reset to 0, when times of collection reaches the times of collection N of setting, takes recently
The average value of the effective tension voltage of n times record is as new basal tension voltage, if there is no effective tension electricity for n times recently
When pressure, then basal tension voltage remains unchanged；N values are logical according to tension generator fatigue or to expand with heat and contract with cold and causes the fast of tension variation
Slow and amplitude of variation assessment is arranged.
Delayed alarm method, includes the following steps：
（1）Alarm controller 03 is carried out to be arranged
The timing value of first alarm threshold X1 and delayed alarm timer T1 are set for alarm controller 03；Optionally, it is alarm
The timing value of the second alarm timer T2 is arranged in controller 03.
（2）Alarm controller 03 judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller 03 judges whether to reach the first alarm threshold X1 according to tension voltage, in the additional tension voltage received
Start delay alarm timer T1, enters step when reaching the first alarm threshold X1（3）.
（3）Alarm controller 03 judges whether to stop and reset delay alarm timer according to additional tension voltage status
If the additional tension voltage that alarm controller 03 receives is less than the first alarm threshold X1, alarm controller 03 stops
And reset delay alarm timer T1, it is transferred to step（2）；Otherwise it enters step（4）.
（4）Alarm controller 03 judges whether triggering alarm
If time-out occurs for presignal delay timer, alarm controller 03 stops and reset delay alarm timer T1, to report
Alert device output alarm signal, and entered step provided with alarm timer T2 is forbidden（5）, otherwise reported in output
It is transferred to step after alert signal（2）.
（5）Alarm timer T2 is forbidden in the startup of alarm controller 03
Start after 03 output alarm signal of alarm controller and forbid alarm timer T2, alarm controller 03 within the T2 times no longer
To alarm output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, T2 time-out
After be transferred to step（2）.
Automatically delaying warning method, includes the following steps：
（1）Alarm controller 03 is carried out to be arranged
First alarm threshold X1 is set for alarm controller 03 and optionally forbids alarm timer T2, and setting additional tension
The correspondence of voltage and the timing value of delayed alarm timer T1.
（2）Alarm controller 03 judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller 03 judges whether to reach the first alarm threshold X1 according to tension voltage, in the additional tension voltage received
Start delay alarm timer T1, enters step when reaching the first alarm threshold X1（3）.
（3）Alarm controller 03 adjusts the timing value of T1 according to additional tension voltage.
Alarm controller 03 is according to additional tension voltage and step（1）It is preset that " additional tension voltage is fixed with delayed alarm
When device T1 timing value correspondence " timing value of delayed alarm timer T1 is adjusted.
（4）Alarm controller 03 judges whether to stop and reset delay alarm timer T1 according to additional tension voltage status
After delayed alarm device T1 starts, if the additional tension voltage that alarm controller 03 receives is less than the first alarm threshold
X1, then the stopping of alarm controller 03 and reset delay alarm T1, are transferred to step（2）；Otherwise it enters step（5）.
（5）Alarm controller 03 judges whether triggering alarm
If time-out occurs for presignal delay timer, alarm controller 03 stops and reset delay alarm timer T1, to report
Alert device output alarm signal, and entered step provided with alarm timer T2 is forbidden（6）, otherwise reported in output
It is transferred to step after alert signal（2）.
（6）Alarm timer T2 is forbidden in the startup of alarm controller 03
Start after 03 output alarm signal of alarm controller and forbids alarm timer T2.Alarm controller 03 within the T2 times no longer
To alarm output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, T2 time-out
After be transferred to step（2）.
Oscillation resets warning method, includes the following steps：
（1）Alarm controller 03 is carried out to be arranged
First alarm threshold X1 is set for alarm controller 03 and optionally forbids alarm timer T2, setting delayed alarm timing
The timing value of device T1 or the correspondence of setting additional tension voltage and the timing value of delayed alarm timer T1, are further arranged
Fall reset threshold R and optional second alarm threshold X2 after rise.
（2）Alarm controller 03 judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller 03 judges whether to reach the first alarm threshold X1 according to tension voltage, in the additional tension voltage received
Start delay alarm timer T1 when reaching the first alarm threshold X1, and it is optionally into step（3）, or in start delay report
It is entered step after alert timer T1（4）.
（3）Alarm controller 03 adjusts the timing value of T1 according to additional tension voltage.
Alarm controller 03 is according to additional tension voltage and step（1）It is preset that " additional tension voltage is fixed with delayed alarm
When device T1 timing value correspondence " timing value of delayed alarm timer T1 is adjusted.
（4）Alarm controller 03 judges whether to stop and reset delay alarm timer according to additional tension voltage status
After delayed alarm timer T1 starts, alarm controller 03 judges whether that additional tension occurs according to additional tension voltage
Current path, it refers to that the additional tension voltage that present sample obtains is obtained less than a upper sampling instant that additional tension current path, which occurs,
The additional tension voltage taken, and between the additional tension voltage that the crest value of additional tension voltage and present sample obtain recently
Difference, which reaches, falls reset threshold R after rise, and in case of additional tension current path, then alarm controller 03 stops and reset delay report
Alert device, is transferred to step（2）；Otherwise it enters step（5）.
（5）Alarm controller 03 judges whether triggering alarm according to additional tension voltage and delayed alarm timer state
If the additional tension voltage that alarm controller 03 receives reaches the second alarm threshold X2, or alarm before T1 time-out
Time-out occurs for delay timer, then alarm controller 03 stops simultaneously reset delay alarm timer T1, exports and alarms to alarm
Signal, and entered step provided with alarm timer T2 is forbidden（6）, otherwise it is transferred to after output alarm signal
Step（2）.
（6）Alarm timer T2 is forbidden in the startup of alarm controller 03
Start after 03 output alarm signal of alarm controller and forbid alarm timer T2, alarm controller 03 within the T2 times no longer
To alarm output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, T2 time-out
After be transferred to step（2）.
The correspondence of additional tension voltage and the timing value of delayed alarm timer T1：T1 under differential tension voltage is fixed
The table that duration is mapped for 1 second-additional tension voltage * regulation coefficients or by an additional tension voltage and T1 timing values
Obtain T1 timing values.
Due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common of the art
For technical staff, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, it can also
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or not improved by invention
Design and technical solution directly apply to other occasions, are regarded as protection scope of the present invention.
Claims (10)
1. a kind of tension type electronic fence alarm system, it is characterised in that：It includes several defence areas, alarm controller and alarm
Device, each defence area include several fence posts, several tension B alloy wires and tension sensor being arranged on fence post, and tension closes
Spun gold one end is fixedly connected with side fence post, and the other end is fixedly mounted on by tension sensor on the fence post of the other side, tension
Sensor connects alarm controller, and alarm controller connects alarm；The alarm controller include the first alarm threshold X1,
Delayed alarm timer T1, the second alarm timer T2, reset threshold R and the second alarm threshold X2 is fallen after rise；System, which uses, prolongs
Slow warning method or adaptive delay warning method or oscillation reset warning method.
2. a kind of tension type electronic fence alarm system according to claim 1, it is characterised in that：The controlling alarm
The basal tension voltage of device uses the method for adjusting basal tension voltage based on effective tension voltage to be adjusted.
3. a kind of tension type electronic fence alarm system according to claim 1 or 2, it is characterised in that：Based on effective
Power voltage adjustment basal tension voltage method be specially：A tension voltage acquisition period and acquisition are set for alarm controller
Times N, alarm controller tension voltage of each tension voltage acquisition periodic recording, takes having in nearest n times tension voltage
The average value of tension voltage is imitated as basal tension voltage, and the difference of the tension voltage and current base tension voltage when record
When less than setting thresholding, then the tension voltage recorded is effective tension voltage, if effective tension voltage is not present in n times recently
When, then basal tension voltage remains unchanged, and basal tension voltage is in M rear adjustment of every record 1 time.
4. a kind of tension type electronic fence alarm system according to claim 3, it is characterised in that：M and N values are according to tension
The fatigue of B alloy wire or expand with heat and contract with cold causes the speed of tension variation and the assessment of amplitude of variation to be arranged.
5. a kind of tension type electronic fence alarm system according to claim 1 according to claim 1 or 2,
It is characterized in that：A tension voltage acquisition period and times of collection N, each tension electricity of alarm controller are set for alarm controller
Collection period is pressed to record a tension voltage, when the tension voltage of record and the difference of current base tension voltage are less than setting door
In limited time, then the tension voltage recorded is effective tension voltage, and acquisition counter adds 1；Otherwise acquisition counter is reset to 0, when acquisition time
When number reaches the times of collection N of setting, take the average value of the effective tension voltage of nearest n times record as new basal tension electricity
Pressure, if effective tension voltage is not present in n times recently, basal tension voltage remains unchanged.
6. a kind of tension type electronic fence alarm system according to claim 5, it is characterised in that：N values are logical according to tension
Generator fatigue expands with heat and contract with cold the speed of tension variation and the assessment of amplitude of variation is caused to be arranged.
7. a kind of tension type electronic fence alarm system according to claim 1 or 2, it is characterised in that：Delayed alarm method,
Include the following steps：
（1）Carry out alarm controller setting
The timing value of first alarm threshold X1 and delayed alarm timer T1 are set for alarm controller；Optionally, it is controlled for alarm
The timing value of the second alarm timer T2 is arranged in device processed；
（2）Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage, be reached in the additional tension voltage received
To start delay alarm timer T1 when the first alarm threshold X1, enter step（3）；
（3）Alarm controller judges whether to stop and reset delay alarm timer according to additional tension voltage status
If the additional tension voltage that alarm controller receives is less than the first alarm threshold X1, alarm controller stops and answers
Position delayed alarm timer T1, is transferred to step（2）；Otherwise it enters step（4）；
（4）Alarm controller judges whether triggering alarm
If time-out occurs for presignal delay timer, alarm controller stops and reset delay alarm timer T1, to alarm
Device output alarm signal, and entered step provided with alarm timer T2 is forbidden（5）, otherwise alarm in output
Step is transferred to after signal（2）；
（5）Alarm timer T2 is forbidden in alarm controller startup
Start after alarm controller output alarm signal and forbid alarm timer T2, alarm controller is within the T2 times no longer to report
Alert device output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, turn after T2 time-out
Enter step（2）.
8. a kind of tension type electronic fence alarm system according to claim 1 or 2, it is characterised in that：Automatically delaying report
Alert method, includes the following steps：
（1）Carry out alarm controller setting
The first alarm threshold X1 is set for alarm controller and optionally forbids alarm timer T2, and setting additional tension electricity
The correspondence of pressure and the timing value of delayed alarm timer T1；
（2）Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage, be reached in the additional tension voltage received
To start delay alarm timer T1 when the first alarm threshold X1, enter step（3）；
（3）Alarm controller adjusts the timing value of T1 according to additional tension voltage
Alarm controller is according to additional tension voltage and step（1）Preset " additional tension voltage and delayed alarm timer T1
Timing value correspondence " timing value of delayed alarm timer T1 is adjusted；
（4）Alarm controller judges whether to stop and reset delay alarm timer T1 according to additional tension voltage status
After delayed alarm device T1 starts, if the additional tension voltage that alarm controller receives is less than the first alarm threshold
X1, then alarm controller stopping and reset delay alarm T1, are transferred to step（2）；Otherwise it enters step（5）；
（5）Alarm controller judges whether triggering alarm
If time-out occurs for presignal delay timer, alarm controller stops and reset delay alarm timer T1, to alarm
Device output alarm signal, and entered step provided with alarm timer T2 is forbidden（6）, otherwise alarm in output
Step is transferred to after signal（2）；
（6）Alarm timer T2 is forbidden in alarm controller startup
Start after alarm controller output alarm signal and forbids alarm timer T2；
Alarm controller within the T2 times no longer to alarm output alarm signal, to avoid alarm continuous flashing light for a long time
And/or siren pipes and causes to disturb residents, and step is transferred to after T2 time-out（2）.
9. a kind of tension type electronic fence alarm system according to claim 1 or 2, it is characterised in that：Oscillation resets report
Alert method, includes the following steps：
（1）Carry out alarm controller setting
The first alarm threshold X1 is set for alarm controller and optionally forbids alarm timer T2, delayed alarm timer is set
The timing value of T1 or the correspondence of setting additional tension voltage and the timing value of delayed alarm timer T1, are further arranged back
Fall reset threshold R and optional second alarm threshold X2；
（2）Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage
Alarm controller judges whether to reach the first alarm threshold X1 according to tension voltage, be reached in the additional tension voltage received
To start delay alarm timer T1 when the first alarm threshold X1, and it is optionally into step（3）, or in start delay alarm
It is entered step after timer T1（4）；
（3）Alarm controller adjusts the timing value of T1 according to additional tension voltage
Alarm controller is according to additional tension voltage and step（1）Preset " additional tension voltage and delayed alarm timer T1
Timing value correspondence " timing value of delayed alarm timer T1 is adjusted；
（4）Alarm controller judges whether to stop and reset delay alarm timer according to additional tension voltage status
After delayed alarm timer T1 starts, alarm controller judges whether that additional tension electricity occurs according to additional tension voltage
It pushes back and falls, it refers to that the additional tension voltage that present sample obtains is obtained less than a upper sampling instant that additional tension current path, which occurs,
Additional tension voltage, and the difference between the additional tension voltage that the crest value of additional tension voltage and present sample obtain recently
Value, which reaches, falls reset threshold R after rise, and in case of additional tension current path, then alarm controller stops and reset delay is alarmed
Device is transferred to step（2）；Otherwise it enters step（5）；
（5）Alarm controller judges whether triggering alarm according to additional tension voltage and delayed alarm timer state
If the additional tension voltage that alarm controller receives reaches the second alarm threshold X2 before T1 time-out, or alarm is prolonged
Time-out occurs for slow timer, then alarm controller stops and reset delay alarm timer T1, to alarm output alarm signal,
And it is entered step provided with alarm timer T2 is forbidden（6）, step is otherwise transferred to after output alarm signal
（2）；
（6）Alarm timer T2 is forbidden in alarm controller startup
Start after alarm controller output alarm signal and forbid alarm timer T2, alarm controller is within the T2 times no longer to report
Alert device output alarm signal, to avoid alarm, continuous flashing light and/or siren pipe and cause to disturb residents for a long time, turn after T2 time-out
Enter step（2）.
10. a kind of tension type electronic fence alarm system according to claim 8 or claim 9, it is characterised in that：Additional tension electricity
The correspondence of pressure and the timing value of delayed alarm timer T1：T1 timing values under differential tension voltage are 1 second-additional tension
Voltage * regulation coefficients obtain T1 timing values by the table that an additional tension voltage and T1 timing values are mapped.
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| CN108615319B (en) | 2019-11-15 |
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