CN102663866A - Electronic fence monitoring system and positioning method - Google Patents
Electronic fence monitoring system and positioning method Download PDFInfo
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- CN102663866A CN102663866A CN2012101514291A CN201210151429A CN102663866A CN 102663866 A CN102663866 A CN 102663866A CN 2012101514291 A CN2012101514291 A CN 2012101514291A CN 201210151429 A CN201210151429 A CN 201210151429A CN 102663866 A CN102663866 A CN 102663866A
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Abstract
The invention provides an electronic fence monitoring system and a positioning method. The system comprises a temperature sensor, a monitoring unit, M fence wires, a state sensor in serial connection with the fence wires, a controlled switch in parallel connection between two fence wires, and a detection pole provided with the state sensor and the controlled switch, wherein the monitoring unit comprises a first resistance measurement interface group and a second resistance measurement interface group, the first resistance measurement interface group and the second resistance measurement interface group are respectively provided with N resistance measurement interfaces, and N is a positive integer larger than 1; one resistance measurement interface of the first resistance measurement interface group is connected with one resistance measurement interface of the second resistance measurement interface group through a fence wire, and M is a positive integer which is larger than 1 and less than or equal to N; and the on/off of the controlled switch is controlled by the state sensor or the detection pole. The electronic fence monitoring system provided by the invention can greatly reduce the cost of the equipment and the construction and maintenance costs of the equipment.
Description
Technical field
The present invention relates to the electronic monitoring technical field, relate in particular to the method for a kind of fence supervisory system and location.
Background technology
Fence is widely used in places such as dwelling house, factory, school, mining area, logistics distribution centre, airport, military base, prison.Existing fence can be divided into by its technology: infrared correlation fence, high-voltage pulse formula fence, leaky cable formula fence, vibration wireline formula fence, tension type electronic fence and optical fiber type fence etc.
Whether infrared correlation fence is blocked through infrared monitoring device detection infrared ray is monitored; Whether high-voltage pulse formula fence detects high-pressure electronic fence voltage circuit through the high-voltage pulse monitoring device and normally monitors; Leaky cable formula fence detects the invador through the leaky cable monitoring device disturbance of electromagnetic field is monitored; Vibration wireline formula fence is monitored through the cable vibration that vibration wireline monitoring device detection invador attracts; Tension type electronic fence is monitored through tension monitoring device detected electrons fence tension variation.
In order to carry out the alert locations location; For infrared correlation, high-voltage pulse formula, leaky cable formula, vibration wireline formula, tension type electronic fence; Need fence be divided into plurality of sections, along fence a plurality of monitoring devices be set, this just need set up feed cable and give a plurality of monitoring device power supplies; Need set up telecommunication cable simultaneously a plurality of monitoring devices are connected with the CSRC terminal, according to the address number of the monitoring device of take place reporting to the police location.A plurality of monitoring devices, feed cable, telecommunication cable have not only increased equipment cost, and have increased the maintenance cost of construction cost and equipment.
Summary of the invention
In view of this; The invention provides a kind of fence supervisory system and localization method; In order to solve the equipment cost that a plurality of monitoring device, feed cable and telecommunication cable brought in the existing electronic enclosure system, the construction cost and the maintenance cost problem of higher of equipment, its technical scheme is following:
A kind of fence supervisory system comprises:
Temperature sensor;
Monitoring unit, said monitoring unit comprise the first resistance measurement interface group and the second resistance measurement interface group, and the said first resistance measurement interface group and the second resistance measurement interface group are provided with N resistance measurement interface, and N is the positive integer greater than 1;
M bar fence lead; A resistance measurement interface of the said first resistance measurement interface group and a resistance measurement interface of the said second resistance measurement interface group link to each other through a rhizosphere hurdle lead; And a resistance measurement interface of the said first resistance measurement interface group and a resistance measurement interface of the said second resistance measurement interface group all only link to each other with a rhizosphere hurdle lead; Wherein, M is greater than 1 positive integer smaller or equal to N;
Be serially connected in the state sensor in the said fence lead;
Be connected in parallel on the controlled switch between two rhizosphere hurdle leads;
Be provided with the test rod of said state sensor and said controlled switch;
Wherein, said temperature sensor is used to measure the residing environment temperature of said fence lead;
Said state sensor is used for when said fence conducting line segment is invaded, and makes controlled switch closed;
Said test rod is used for when this test rod is opened, and makes controlled switch closed;
Said monitoring unit; Be used to measure the resistance value of fence lead between closed controlled switch and said monitoring unit, and calculate the distance of closed controlled switch to said monitoring unit according to the residing environment temperature of the fence lead of said resistance value and said temperature sensor measurement.
The controlled switch of said closure to the distance of said monitoring unit according to computes:
Wherein, L is the closed controlled switch distance to said monitoring unit, and R1 be the resistance value of fence lead between controlled switch and the said monitoring unit of closure, and k is the temperature-coefficient of electrical resistance of fence lead, T
0Be standard temperature, r
0Be standard temperature T
0The time unit length fence lead resistance, T is the residing environment temperature of fence lead that monitoring unit passes through temperature sensor measurement.
Said monitoring unit also is used for when controlled switch is closed, reporting to the police.
Preferably, be connected in series at least one state sensor in every fence lead.
Preferably, said controlled switch is parallel between two adjacent rhizosphere hurdle leads.
Preferably, be arranged in the Control Room with the direct-connected fence conducting line segment of the resistance measurement interface of the said second resistance measurement interface group.
Said state sensor is: flexible member.
Preferably, said flexible member is specially spring.
A kind of localization method is applied to above-mentioned fence supervisory system, comprising:
Temperature sensor detects the residing environment temperature of fence lead;
When the fence lead receives when invading, the state sensor makes controlled switch closed, and perhaps when test rod is opened, this test rod makes the controlled switch closure;
Monitoring unit is measured the closed controlled switch and the resistance value of the fence lead between the monitoring unit after detecting the controlled switch closure, calculates the distance of closed controlled switch to monitoring unit according to the residing environment temperature of fence lead of this resistance value and temperature sensor detection then.
In fence supervisory system provided by the invention and the localization method; When the fence lead receives when invading; The state sensor makes controlled switch closed; Perhaps when test rod was opened, this test rod made controlled switch closed, and monitoring unit is measured the resistance value of closed controlled switch to fence lead between monitoring unit; And calculate the distance of closed controlled switch, thereby realized location to abnormity point to monitoring unit according to the residing environment temperature of the fence lead of this resistance value and temperature sensor measurement.Fence supervisory system provided by the invention only needs a monitoring unit just can monitor whole fence; Do not need to set up feed cable and telecommunication cable along fence; Do not need any electronic installation with data communication function to be set along fence yet; Compare with existing electronic enclosure system, greatly reduce the construction and the maintenance cost of equipment cost, equipment.In addition, electronic enclosure system provided by the invention does not receive the influence of weather, environment etc., therefore, has improved the reliability of electronic enclosure system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is embodiments of the invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the structural representation of electronic enclosure system provided by the invention;
The structural representation of the electronic enclosure system that Fig. 2 provides for the embodiment of the invention one;
The structural representation of the electronic enclosure system that Fig. 3 provides for the embodiment of the invention two;
The structural representation of the electronic enclosure system that Fig. 4 provides for the embodiment of the invention three.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The invention provides a kind of electronic enclosure system, Fig. 1 is the structural representation of this system, and this system comprises: monitoring unit 1, temperature sensor 2, fence lead 3, state sensor 4, controlled switch 5 and test rod 6.
A resistance measurement interface of the first resistance measurement interface group and a resistance measurement interface of the second resistance measurement interface group link to each other through a rhizosphere hurdle lead 3; And a resistance measurement interface of the first resistance measurement interface group and a resistance measurement interface of the second resistance measurement interface group all only link to each other with a rhizosphere hurdle lead 3; Wherein, Fence lead 3 is the M bar in the electronic enclosure system provided by the invention, and M is greater than 1 positive integer smaller or equal to N.
The present invention also provides a kind of localization method, is applied to above-mentioned fence supervisory system, and this method comprises:
When fence lead 3 receives when invading, state sensor 4 makes controlled switch 5 closures, and when perhaps test rod 6 was opened, this test rod 6 made controlled switch 5 closures;
After monitoring unit 1 detects controlled switch 5 closures; Measure the closed controlled switch 5 and the resistance value of the fence lead 3 between the monitoring unit 1, calculate the distance of closed controlled switch 5 according to the fence lead 3 residing environment temperatures of this resistance value and temperature sensor 2 detections then to monitoring unit 1.
Embodiment one
The embodiment of the invention one provides a kind of electronic enclosure system, and Fig. 2 is the structural representation of this system.The electronic enclosure system that the embodiment of the invention one provides comprises: monitoring unit 11, temperature sensor 12, fence lead 13a1,13b1, state sensor 14a1, fence lead 13a2,13b2, state sensor 14a2, controlled switch 15 and test rod 16.
Wherein, Temperature sensor 12 links to each other with monitoring unit 11; Monitoring unit 11 is provided with the first resistance measurement interface group and the second resistance measurement interface group; Wherein, the first resistance measurement interface group comprises: resistance measurement interface A1 and resistance measurement interface A2, the second resistance measurement interface group comprises: resistance measurement interface A3 and resistance measurement interface A4.The resistance measurement interface A1 of monitoring unit 11 constitutes first current path through the resistance measurement interface A4 of fence lead 13a1, state sensor 14a1, fence lead 13b1 series connection back and monitoring unit 11 successively; The resistance measurement interface A2 of monitoring unit 11 constitutes second current path through the resistance measurement interface A3 of fence lead 13a2, state sensor 14a2, fence lead 13b2 series connection back and monitoring unit 11 successively.
Controlled switch 15 is connected in parallel between fence lead 13a1 and the 13a2.In the present embodiment, the two ends of controlled switch 15 are connected to the left side of 14a2 of left side, the state sensor of the 14a1 of state sensor.Under the normal condition, controlled switch 15 is in off-state.Certainly; The connected mode that present embodiment does not limit controlled switch 15 is the connected mode among Fig. 2; For example; The two ends of controlled switch 15 are connected to the right side of 14a2 of left side, the state sensor of the 14a1 of state sensor, all are the scopes that the present invention protects as long as controlled switch 15 is connected in parallel between the two rhizosphere hurdle leads.
Controlled switch 15, state sensor 14a1 and state sensor 14a2 are closed in the test rod 16.
In the present embodiment, when fence lead 13a1 or 13b1 received infringement and for example cut off, state sensor 14a1 made controlled switch 15 closures; When fence lead 13a2 or 13b2 receive when invading, state sensor 14a2 makes controlled switch 15 closures; When test rod 16 was opened, test rod 16 made controlled switch 15 closures.
In the present embodiment; Temperature sensor 12 is measured the residing environment temperature of fence lead; When controlled switch 15 closures; Monitoring unit 11 calculates the resistance of fence lead between closed controlled switch 15 and the monitoring unit 11; The residing environment temperature of measuring according to resistance per unit length (known), temperature-coefficient of electrical resistance (known) and the temperature sensor 12 of this resistance value, fence lead then of fence lead is calculated the distance of closed controlled switch 15 to monitoring unit 11, thereby realizes the location to abnormity point.
Being cut off with fence lead 13a1 below is the detailed process that electronic enclosure system that example explanation present embodiment provides is reported to the police and located abnormity point.
When fence lead 13a1 was cut off, state sensor 14a1 made controlled switch 15 closures, and this moment, monitoring unit 11 warnings were broken off between resistance measurement interface A1, the A4, formed conductive path between resistance measurement interface A2, the A4.If the resistance of fence lead 13a2 is R
1The electric current that monitoring unit 11 is applied between A2, the A3 is known as I; The voltage that monitoring unit 11 detects between A2, the A4 mouth is U, and closed controlled switch 15 equates with the current potential at resistance measurement interface A4 place with the current potential at fence lead 13a2 tie point place, then the resistance R of fence lead 13a2
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 11 is measured through temperature sensor 12 is T, then the resistance measurement interface A2 of monitoring unit 11 is through the distance L of fence lead 13a2 to closed controlled switch 15
1For:
Be drawn as the detailed process that the routine electronic enclosure system of explaining that present embodiment provides is reported to the police and located abnormity point with fence lead 13a1 below.
When fence lead 13a1 is stretched; State sensor 14a1 makes controlled switch 15 closures; At this moment; This moment, monitoring unit 11 was reported to the police, between resistance measurement interface A1 and the A2, between resistance measurement interface A1 and the A3, between resistance measurement interface A3 and the A4, form conductive path between resistance measurement interface A2 and the A4.If the resistance of fence lead 13a2 is R
1The electric current that monitoring unit 11 is applied between A2, the A3 is known as I; The voltage that monitoring unit 11 detects between A2, the A4 mouth is U, and closed controlled switch 15 equates with the current potential at resistance measurement interface A4 place with the current potential at fence lead 13a2 tie point place, then the resistance R of fence lead 13a2
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 11 is measured through temperature sensor 12 is T, then the resistance measurement interface A2 of monitoring unit 11 through fence lead 13a2 to the distance L of the controlled switch 15 of closure is:
Be opened to example with test rod 16 below, the detailed process that electronic enclosure system that present embodiment provides is reported to the police and located abnormity point is described.
When test rod 16 is opened; Test rod 16 makes controlled switch 15 closures; At this moment, monitoring unit 11 is reported to the police, between resistance measurement interface A1 and the A2, between resistance measurement interface A1 and the A3, between resistance measurement interface A3 and the A4, form conductive path between resistance measurement interface A2 and the A4.If the resistance of fence lead 13a2 is R
1The electric current that monitoring unit 11 is applied between A2, the A3 is known as I; The voltage that monitoring unit 11 detects between A2, the A4 mouth is U, and closed controlled switch 15 equates with the current potential at resistance measurement interface A4 place with the current potential at fence lead 13a2 tie point place, then the resistance R of fence lead 13a2
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 11 is measured through temperature sensor 12 is T, then the resistance measurement interface A2 of monitoring unit 11 through fence lead 13a2 to the distance L of the controlled switch 15 of closure is:
In the present embodiment, the state sensor is preferably elastic mechanism, like spring; Under the normal condition, spring is by pretension, and the controlled switch that this pretightning force drives spring is in off-state between two rhizosphere hurdle leads; When the fence lead is cut off or is stretched; The tensile force that acts on the fence lead acts on spring, and when fence lead tensile force during greater than a setting value or less than another setting value, spring can make the controlled switch of its drive closed.
The embodiment of the invention also provides a kind of localization method, is applied to above-mentioned electronic enclosure system, and this method comprises (fence lead 13a1 is cut off is example):
State sensor 14a1 makes controlled switch 15 closures, forms conductive path between resistance measurement interface A2, the A4;
Monitoring unit 11 is measured the resistance R of fence lead 13a2
1, then according to this resistance value R
1And the residing environment temperature of fence lead that temperature sensor 12 detects is calculated the distance of closed controlled switch 15 (abnormity point) to monitoring unit 11.
In the present embodiment; The fence lead is cut off, is stretched or test rod is opened; Through closed realization of same controlled switch abnormity point is positioned, cut off or when being stretched controlled switch 15 closures like fence lead 13a1; When test rod 16 is opened, be controlled switch 15 closures equally.Certainly, present embodiment is not limited thereto, also can be between fence lead 13a1 and 1,3a2 two controlled switchs of parallel connection, one of them is used for closure when fence lead 13a1 is cut off or is stretched, another is used for closure when test rod 16 is opened.
In the fence supervisory system and localization method that the embodiment of the invention provides; When the fence lead receives when invading, the state sensor makes controlled switch closed, perhaps; When test rod is opened; This test rod makes controlled switch closed, and monitoring unit detects the controlled switch closure and reports to the police, and monitoring unit is measured the resistance value of closed controlled switch to fence lead between monitoring unit; And calculate the distance of closed controlled switch, thereby realized location to abnormity point to monitoring unit according to the residing environment temperature of the fence lead of this resistance value and temperature sensor measurement.Fence supervisory system provided by the invention only needs a monitoring unit just can monitor whole fence; Do not need to set up feed cable and telecommunication cable along fence; Do not need any electronic installation with data communication function to be set along fence yet; Compare with existing electronic enclosure system, greatly reduce the construction and the maintenance cost of equipment cost, equipment.In addition, the electronic enclosure system that the embodiment of the invention provides does not receive the influence of weather, environment etc., has therefore improved the reliability of electronic enclosure system.
Embodiment two
The embodiment of the invention two provides a kind of electronic enclosure system, and Fig. 3 is the structural representation of this system, and the electronic enclosure system that present embodiment provides comprises: monitoring unit 21; Temperature sensor 22, fence lead 23a1,23b1,23c1,23d1, state sensor 24a1,24b1,24c1; Fence lead 23a2,23b2,23c2,23d2; State sensor 24a2,24b2,24c2, controlled switch 25a, 25b, 25c, test rod 26a, 26b, 26c.
The resistance measurement interface A1 of monitoring unit 21 constitutes first current path through the resistance measurement interface A4 of fence lead 23a1, state sensor 24a1, fence lead 23b1, state sensor 24b1, fence lead 23c1, state sensor 24c1 and fence lead 23d1 series connection back and monitoring unit 21 successively; The resistance measurement interface A2 of monitoring unit 21 constitutes second current path through the resistance measurement interface A3 of fence lead 23a2, state sensor 24a2, fence lead 23b2, state sensor 24b2, fence lead 23c2, state sensor 24c2 and fence lead 23d2 series connection back and monitoring unit 21 successively.
Controlled switch 25a is parallel between fence lead 23a1 and the 23a2, and controlled switch 25b is parallel between fence lead 23b1 and the 23b2, and controlled switch 25c is parallel between fence lead 23c1 and the 23c2.
Under the normal condition, controlled switch 25a, 25b and 25c are in off-state.
The connected mode that certain present embodiment does not limit controlled switch 25a, 25b, 25c is the connected mode among Fig. 3; For example; The two ends of controlled switch 25a are connected to the right side of 24a2 of left side, the state sensor of the 24a1 of state sensor, all are the scopes that the present invention protects as long as controlled switch 25a is connected in parallel between the two rhizosphere hurdle leads.
State sensor 24a1, state sensor 24a2 and controlled switch 25a are closed among the test rod 26a; State sensor 24b1, state sensor 24b2 and controlled switch 25b are closed among the test rod 26b, and state sensor 24c1, state sensor 24c2 and controlled switch 25c are closed among the test rod 26c.
When fence lead 23a1 receives when invading, state sensor 24a1 makes controlled switch 25a closed; When fence lead 23a2 receives when invading, state sensor 24a2 makes controlled switch 25a closed; When test rod 26a was opened, test rod 26a made controlled switch 25a closed.
When fence lead 23b1 receives when invading, state sensor 24b1 makes controlled switch 25b closed; When fence lead 23b2 receives when invading, state sensor 24b2 makes controlled switch 25b closed; When test rod 26b was opened, test rod 26b made controlled switch 25b closed.
When fence lead 23c1 receives when invading, state sensor 24c1 makes controlled switch 25c closed; When fence lead 23c2 receives when invading, state sensor 24c2 makes controlled switch 25c closed; When test rod 26c was opened, test rod 26c made controlled switch 25c closed.
Because fence lead 23d1 and 23d2 are positioned at Control Room, therefore can not invaded.
Being cut off with fence lead 23b1 below is the detailed process that electronic enclosure system that example explanation present embodiment provides is reported to the police and located abnormity point.
When fence lead 23b1 was cut off, state sensor 24b1 made controlled switch 25b closed, and at this moment, monitoring unit 21 is reported to the police, and formed conductive path between resistance measurement interface A3, the A4 and between the resistance measurement interface A2, A4.If the resistance in series of fence lead 23a2, state sensor 24a2 and fence lead 23b2 is R
1The electric current that monitoring unit 21 is applied between A2, the A3 is known as I; The voltage that monitoring unit 21 detects between A2, the A4 mouth is U; Closed controlled switch 25b equates that with the current potential at resistance measurement interface A4 place then the resistance in series of fence lead 23a2, state sensor 24a2 and fence lead 23b2 is R with the current potential at fence lead 23b2 tie point place
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 21 is measured through temperature sensor 22 is T, then the resistance measurement interface A2 of monitoring unit 21 through fence lead 23a2, state sensor 24a2 and fence lead 23b2 to the distance L of controlled switch 25b is:
Be drawn as the detailed process that the routine electronic enclosure system of explaining that present embodiment provides is reported to the police and located abnormity point with fence lead 23b1 below.
When fence lead 23b1 is stretched; State sensor 24b1 makes controlled switch 25b closed; Monitoring unit 21 is reported to the police, between resistance measurement interface A1 and the A2, between resistance measurement interface A3 and the A4, between resistance measurement interface A1 and the A3, form conductive path between resistance measurement interface A2 and the A4.If the resistance in series of fence lead 23a2, state sensor 24a2 and fence lead 23b2 is R
1The electric current that monitoring unit 21 is applied between A2, the A3 is known as I; The voltage that monitoring unit 21 detects between A2, the A4 mouth is U; Closed controlled switch 25b equates that with the current potential at resistance measurement interface A4 place then the resistance in series of fence lead 23a2, state sensor 24a2 and fence lead 23b2 is R with the current potential at fence lead 23b2 tie point place
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 21 is measured through temperature sensor 22 is T, then the resistance measurement interface A2 of monitoring unit 21 through fence lead 23a2, state sensor 24a2 and fence lead 23b2 to the distance L of controlled switch 25b is:
Be opened to the detailed process that the routine electronic enclosure system of explaining that present embodiment provides is reported to the police and located abnormity point with test rod 26b below.
When test rod 26b is opened; Test rod 26b makes controlled switch 25b closed; Monitoring unit 21 is reported to the police, between resistance measurement interface A1 and the A2, between resistance measurement interface A3 and the A4, between resistance measurement interface A1 and the A3, form conductive path between resistance measurement interface A2 and the A4.If the resistance in series of fence lead 23a2, state sensor 24a2 and fence lead 23b2 is R
1The electric current that monitoring unit 21 is applied between A2, the A3 is known as I; The voltage that monitoring unit 21 detects between A2, the A4 mouth is U; Closed controlled switch 25b equates that with the current potential at resistance measurement interface A4 place then the resistance in series of fence lead 23a2, state sensor 24a2 and fence lead 23b2 is R with the current potential at fence lead 23b2 tie point place
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 21 is measured through temperature sensor 22 is T, then the resistance measurement interface A2 of monitoring unit 21 through fence lead 23a2, state sensor 24a2 and fence lead 23b2 to the distance L of controlled switch 25b is:
In the present embodiment, the state sensor is preferably elastic mechanism, like spring; Under the normal condition, spring is by pretension, and the controlled switch that this pretightning force drives spring is in off-state between two rhizosphere hurdle leads; When the fence lead is stretched or is cut off; The tensile force that acts on the fence lead acts on the spring that is connected with this fence lead, when tensile force greater than certain value or during less than another setting value, spring can make the controlled switch of its drive closed.In addition, in the present embodiment,,, each state sensor is set only is responsible for a section in two sections fence leads of detection series connection with it for the ease of abnormity point is positioned because each state sensor is connected with two sections fence leads.When each state sensor only be responsible for to detect the state of fence lead of one of which side, the fence conducting line segment near the second resistance measurement interface in the system that present embodiment provides was arranged in the Control Room.Certainly, the fence conducting line segment that present embodiment does not limit near the second resistance measurement interface is arranged in the Control Room, also can be that arbitrary and arbitrary section fence lead that state is not to be detected place the place that can't be invaded.
In the present embodiment; The fence lead is cut off, is stretched or test rod is opened; Be abnormity point to be positioned, cut off or when being stretched, controlled switch 25b is closed like fence lead 23b1 through closed realization of same controlled switch that is arranged in same test rod; When test rod 26b is opened, be that controlled switch 25b is closed equally.Certainly, present embodiment is not limited thereto, also can be between fence lead 23b1 and 2,3b2 two controlled switchs of parallel connection, one of them is used for closure when fence lead 23b1 is cut off or is stretched, another is used for closure when test rod 26b is opened.
The embodiment of the invention also provides a kind of method of location, is applied to above-mentioned electronic enclosure system, and this method comprises (fence lead 23b1 is cut off is example):
State sensor 24b1 makes controlled switch 25b closed, forms conductive path between resistance measurement interface A2, the A4 and between the resistance measurement interface A3, A4;
The resistance in series that monitoring unit 21 is measured fence lead 23a2, state sensor 24a2 and fence lead 23b2 is R
1, then according to this resistance value R
1And the residing environment temperature of fence lead that temperature sensor 22 detects is calculated the distance of closed controlled switch 25b to monitoring unit.
In the fence supervisory system and localization method that the embodiment of the invention provides; When the fence lead receives when invading, the state sensor makes controlled switch closed, perhaps; When test rod is opened; This test rod makes controlled switch closed, and monitoring unit is reported to the police, and monitoring unit is measured the resistance value of closed controlled switch to fence lead between monitoring unit; And calculate the distance of closed controlled switch, thereby realized location to abnormity point to monitoring unit according to the residing environment temperature of the fence lead of this resistance value and temperature sensor measurement.Fence supervisory system provided by the invention only needs a monitoring unit just can monitor whole fence; Do not need to set up feed cable and telecommunication cable along fence; Do not need any electronic installation with data communication function to be set along fence yet; Compare with existing electronic enclosure system, greatly reduce the construction and the maintenance cost of equipment cost, equipment.In addition, the electronic enclosure system that the embodiment of the invention provides does not receive the influence of weather, environment etc., has therefore improved the reliability of electronic enclosure system.
Embodiment three
The embodiment of the invention three provides a kind of electronic enclosure system, and Fig. 4 is the structural representation of this system, and the electronic enclosure system that present embodiment provides comprises: monitoring unit 31; Temperature sensor 32, fence lead 33a1,33b1,33c1,33d1,33e1, state sensor 34a1,34b1,34c1,34d1; Fence lead 33a2,33b2,33c2,33d2,33e2; State sensor 34a2,34b2,34c2,34d2, fence lead 33a3,33b3,33c3,33d3,33e3, state sensor 34a3,34b3,34c3,34d3; Fence lead 33a4,33b4,33c4,33d4,33e4; State sensor 34a4,34b4,34c4,34d4, controlled switch 35a, 35b, 35c, 35d, test rod 36a, 36b, 36c, 36d.
Temperature sensor 32 is connected with monitoring unit 31; Monitoring single 31 is provided with the first resistance measurement interface group and the second resistance measurement interface group; Wherein, The first resistance measurement interface group comprises: resistance measurement interface A1, A2, A3, A4, the second resistance measurement interface group comprises: resistance measurement interface A5, A6, A7, A8.
The resistance measurement interface A1 of monitoring unit 31 constitutes first current path through the resistance measurement interface A8 of fence lead 33a1, state sensor 34a1, fence lead 33b1, state sensor 34b1, fence lead 33c1, state sensor 34c1, fence lead 33d1, state sensor 34d1 and fence lead 33e1 series connection back and monitoring unit 31 successively; The resistance measurement interface A2 of monitoring unit 31 constitutes second current path through the resistance measurement interface A7 of fence lead 33a2, state sensor 34a2, fence lead 33b2, state sensor 34b2, fence lead 33c2, state sensor 34c2, fence lead 33d2, state sensor 34d2 and fence lead 33e2 series connection back and monitoring unit 31 successively; The resistance measurement interface A3 of monitoring unit 31 constitutes the 3rd current path through the resistance measurement interface A6 of fence lead 33a3, state sensor 34a3, fence lead 33b3, state sensor 34b3, fence lead 33c3, state sensor 34c3, fence lead 33d3, state sensor 34d3 and fence lead 33e3 series connection back and monitoring unit 31 successively; The resistance measurement interface A4 of monitoring unit 31 constitutes the 4th current path through the resistance measurement interface A5 of fence lead 33a4, state sensor 34a4, fence lead 33b4, state sensor 34b4, fence lead 33c4, state sensor 34c4, fence lead 33d4, state sensor 34d4 and fence lead 33e4 series connection back and monitoring unit 31 successively.
Controlled switch 35a1 is parallel between fence lead 33a1 and the 33a2, and controlled switch 35a2 is connected in parallel between fence lead 33a2 and the 33a3, and controlled switch 35a3 is connected in parallel between fence lead 33a3 and the 33a4; Controlled switch 35b1 is parallel between fence lead 33b1 and the 33b2, and controlled switch 35b2 is connected in parallel between fence lead 33b2 and the 33b3, and controlled switch 35b3 is connected in parallel between fence lead 33b3 and the 33b4; Controlled switch 35c1 is parallel between fence lead 33c1 and the 33c2, and controlled switch 35c2 is connected in parallel between fence lead 33c2 and the 33c3, and controlled switch 35c3 is connected in parallel between fence lead 33c3 and the 33c4; Controlled switch 35d1 is parallel between fence lead 33d1 and the 33d2, and controlled switch 35d2 is connected in parallel between fence lead 33d2 and the 33d3, and controlled switch 35d3 is connected in parallel between fence lead 33d3 and the 33d4.Under the normal condition, all controlled switchs are in off-state.
The connected mode that certain present embodiment does not limit controlled switch 35a1,35a2,35a3,35b1,35b2,35b3,35c1,35c2,35c3,35d1,35d2,35d3 is the connected mode among Fig. 4; For example; The two ends of controlled switch 35a1 are connected to the right side of 34a2 of left side, the state sensor of the 34a1 of state sensor, all are the scopes that the present invention protects as long as controlled switch 35a1 is connected in parallel between the two rhizosphere hurdle leads.
State sensor 34a1,34a2,34a3,34a4 and controlled switch 35a1,35a2,35a3 are enclosed among the test rod 36a; State sensor 34b1,34b2,34b3,34b4 and controlled switch 35b1,35b2,35b3 are enclosed among the test rod 36b; State sensor 34c1,34c2,34c3,34c4 and controlled switch 35c1,35c2,35c3 are enclosed among the test rod 36c; State sensor 34d1,34d2,34d3,34d4 and controlled switch 35d1,35d2,35d3 are enclosed among the test rod 36d.
When fence lead 33a1 received infringement and for example cut off, state sensor 34a1 made at least one closure among controlled switch 35a1,35a2, the 35a3; When fence lead 33a2 receives when invading, state sensor 34a2 makes at least one closure among controlled switch 35a1,35a2, the 35a3; When fence lead 33a3 receives when invading, state sensor 34a3 makes at least one closure among controlled switch 35a1,35a2, the 35a3; When fence lead 33a4 receives when invading, state sensor 34a4 makes at least one closure among controlled switch 35a1,35a2, the 35a3.
When test rod 36a was opened, test rod 36a made at least one closure among controlled switch 35a1,35a2, the 35a3.
When fence lead 33b1 receives when invading, state sensor 34b1 makes at least one closure among controlled switch 35b1,35b2, the 35b3; When fence lead 33b2 receives when invading, state sensor 34b2 makes at least one closure among controlled switch 35b1,35b2, the 35b3; When fence lead 33b3 receives when invading, state sensor 34b3 makes at least one closure among controlled switch 35b1,35b2, the 35b3; When fence lead 33b4 receives when invading, state sensor 34b4 makes at least one closure among controlled switch 35b1,35b2, the 35b3.
36b is opened when test rod, and test rod 36b makes at least one closure among controlled switch 35b1,35b2, the 35b3.
When fence lead 33c1 receives when invading, state sensor 34c1 makes at least one closure among controlled switch 35c1,35c2, the 35c3; When fence lead 33c2 receives when invading, state sensor 34c2 makes at least one closure among controlled switch 35c1,35c2, the 35c3; When fence lead 33c3 receives when invading, state sensor 34c3 makes at least one closure among controlled switch 35c1,35c2, the 35c3; When fence lead 33c4 receives when invading, state sensor 34c4 makes at least one closure among controlled switch 35c1,35c2, the 35c3.
36c is opened when test rod, and test rod 36c makes at least one closure among controlled switch 35c1,35c2, the 35c3.
When fence lead 33d1 receives when invading, state sensor 34d1 makes at least one closure among controlled switch 35d1,35d2, the 35d3; When fence lead 33d2 receives when invading, state sensor 34d2 makes at least one closure among controlled switch 35d1,35d2, the 35d3; When fence lead 33d3 receives when invading, state sensor 34d3 makes at least one closure among controlled switch 35d1,35d2, the 35d3; When fence lead 33d4 receives when invading, state sensor 34d4 makes at least one closure among controlled switch 35d1,35d2, the 35d3.
36d is opened when test rod, and test rod 36d makes at least one closure among controlled switch 35d1,35d2, the 35d3.
Because fence lead 33e1,33e2,33e3 and 33e4 are positioned at Control Room, therefore can not invaded.
Being cut off with fence lead 33b2 below is the electronic enclosure system that provides of example explanation present embodiment to the report to the police detailed process of location of abnormity point.
When fence lead 33b2 was cut off, state sensor 34b2 made at least one closure among controlled switch 35b1,35b2, the 35b3, and for example controlled switch 35b2 is closed; At this moment; Monitoring unit 31 is reported to the police, and between resistance measurement interface A3, the A7, forms conductive path between resistance measurement interface A6, the A7.If the resistance in series of fence lead 33a3, state sensor 34a3 and fence lead 33b3 is R
1The electric current that monitoring unit 31 is applied between resistance measurement interface A3, the A6 is known as I; The voltage that monitoring unit 31 detects between resistance measurement interface A3, the A7 is U; Closed controlled switch 35b2 equates with the current potential at resistance measurement interface A7 place with the current potential at fence lead 33b3 tie point place, then the resistance in series R of fence lead 33a3, state sensor 34a3 and fence lead 33b3
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 31 is measured through temperature sensor 32 is T, then the resistance measurement interface A3 of monitoring unit 31 through fence lead 33a3, state sensor 34a3 and fence lead 33b3 to the distance L of test rod 36b is:
Be drawn as the detailed process that the routine electronic enclosure system of explaining that present embodiment provides is reported to the police and located abnormity point with fence lead 33b2 below.
When fence lead 33b2 is stretched; State sensor 34b2 makes at least one closure among controlled switch 35b1,35b2, the 35b3; For example controlled switch 35b2 is closed; At this moment, monitoring unit 31 is reported to the police, between resistance measurement interface A2 and the A3, between resistance measurement interface A6 and the A7, between resistance measurement interface A2 and the A6, form conductive path between resistance measurement interface A3 and the A7.If the resistance in series of fence lead 33a3, state sensor 34a3 and fence lead 33b3 is R
1The electric current that monitoring unit 31 is applied between resistance measurement interface A3, the A6 is known as I; The voltage that monitoring unit 31 detects between resistance measurement interface A3, the A7 is U; Closed controlled switch 35b2 equates with the current potential at resistance measurement interface A7 place with the current potential at fence lead 33b3 tie point place, then the resistance in series R of fence lead 33a3, state sensor 34a3 and fence lead 33b3
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0Down, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 31 is measured through temperature sensor 32 is T, then the resistance measurement interface A3 of monitoring unit 31 through fence lead 33a3, state sensor 34a3 and fence lead 33b3 to the distance L of test rod 36b is:
Be opened to the detailed process that the routine electronic enclosure system of explaining that present embodiment provides is reported to the police and located abnormity point with test rod 36b below.
When test rod 36b is opened; Test rod 36b makes at least one closure among controlled switch 35b1,35b2, the 35b3; For example controlled switch 35b2 is closed; At this moment, monitoring unit 31 is reported to the police, between resistance measurement interface A2 and the A3, between resistance measurement interface A6 and the A7, form conductive path between resistance measurement interface A2 and A6, resistance measurement interface A3 and the A7.The resistance in series of setting fence lead 33a3, state sensor 34a3 and fence lead 33b3 is R
1The electric current that monitoring unit 31 is applied between resistance measurement interface A3, the A6 is known as I; The voltage that monitoring unit 31 detects between resistance measurement interface A3, the A7 is U; Closed controlled switch 35b2 equates with the current potential at resistance measurement interface A7 place with the current potential at fence lead 33b3 tie point place, then the resistance in series R of fence lead 33a3, state sensor 34a3 and fence lead 33b3
1For:
If the temperature-coefficient of electrical resistance of fence lead is k, under standard temperature T0, the resistance of unit length fence lead is r
0, the residing environment temperature of fence lead that monitoring unit 31 is measured through temperature sensor 32 is T, then the resistance measurement interface A3 of monitoring unit 31 through fence lead 33a3, state sensor 34a3 and fence lead 33b3 to the distance L of test rod 36b is:
The embodiment of the invention also provides a kind of localization method, is applied to above-mentioned electronic enclosure system, and this method comprises (fence lead 33b2 is cut off is example):
Temperature sensor 32 detects the residing environment temperature of fence lead;
State sensor 34b2 makes at least one closure among controlled switch 35b1,35b2, the 35b3, and for example 35b2 is closed, between resistance measurement interface A3, the A7, forms conductive path between resistance measurement interface A6, the A7;
Monitoring unit 31 is measured the resistance in series R of fence lead 33a3, state sensor 34a3 and fence lead 33b3
1, then according to this resistance value R
1And the residing environment temperature of fence lead that temperature sensor 32 detects is calculated the distance of closed controlled switch 35b2 (abnormity point) to monitoring unit 31.
In the present embodiment, controlled switch is preferably and is connected in parallel between the adjacent two rhizosphere hurdle leads, and present embodiment is not limited thereto certainly, and controlled switch also can be parallel to mutually between the non-conterminous two rhizosphere hurdle leads.
In the present embodiment, controlled switch quantity is 3 in the every test rod, and certainly, present embodiment is not limited thereto, and controlled switch quantity is at least 1 in the every test rod.
In the present embodiment; The fence lead is cut off, is stretched or test rod is opened; Be that at least one closed realization of same group of controlled switch through being arranged in same test rod positions abnormity point, cut off or when being stretched at least one closure among controlled switch 35b1,35b2, the 35b3 like fence lead 33b1; When test rod 36b is opened, be at least one closure among controlled switch 35b1,35b2, the 35b3 equally.Certainly; Present embodiment is not limited thereto, and also two groups of controlled switchs can be set in same test rod, and wherein one group is used for closure when fence lead 33b1 is cut off or is stretched; Another group is used for closure when test rod 36b is opened, and two groups of controlled switchs are connected in parallel between two rhizosphere hurdle leads.
In addition, in the present embodiment,,, each state sensor is set only is responsible for a section in two sections fence leads of detection series connection with it for the ease of abnormity point is positioned because each state sensor is connected with two sections fence leads.When each state sensor only be responsible for to detect the state of fence lead of one of which side, near the fence conducting line segment of the second resistance measurement interface, be arranged in the Control Room in the system that present embodiment provides like 33e1,33e2,33e3 and 33e4.Certainly, the fence conducting line segment that present embodiment does not limit near the second resistance measurement interface is arranged in the Control Room, also can be that arbitrary and arbitrary section fence lead that state is not to be detected place the place that can't be invaded.
In the fence supervisory system and localization method that the embodiment of the invention provides; When the fence lead receives when invading; The state sensor makes controlled switch closed, perhaps, and when test rod is opened; This test rod makes controlled switch closed; Monitoring unit is reported to the police and is measured the resistance value of closed controlled switch to fence lead between monitoring unit, calculates the distance of closed controlled switch to monitoring unit according to the residing environment temperature of the fence lead of this resistance value and temperature sensor measurement, thereby has realized the location to abnormity point.Fence supervisory system provided by the invention only needs a monitoring unit just can monitor whole fence; Do not need to set up feed cable and telecommunication cable along fence; Do not need any electronic installation with data communication function to be set along fence yet; Compare with existing electronic enclosure system, greatly reduce the construction and the maintenance cost of equipment cost, equipment.In addition, the electronic enclosure system that the embodiment of the invention provides does not receive the influence of weather, environment etc., has therefore improved the reliability of electronic enclosure system.
What each embodiment stressed in this instructions all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. a fence supervisory system is characterized in that, comprising:
Temperature sensor;
Monitoring unit, said monitoring unit comprise the first resistance measurement interface group and the second resistance measurement interface group, and the said first resistance measurement interface group and the second resistance measurement interface group are provided with N resistance measurement interface, and N is the positive integer greater than 1;
M bar fence lead; A resistance measurement interface of the said first resistance measurement interface group and a resistance measurement interface of the said second resistance measurement interface group link to each other through a rhizosphere hurdle lead; And a resistance measurement interface of the said first resistance measurement interface group and a resistance measurement interface of the said second resistance measurement interface group all only link to each other with a rhizosphere hurdle lead; Wherein, M is greater than 1 positive integer smaller or equal to N;
Be serially connected in the state sensor in the said fence lead;
Be connected in parallel on the controlled switch between two rhizosphere hurdle leads;
Be provided with the test rod of said state sensor and said controlled switch;
Said temperature sensor is used to measure the residing environment temperature of said fence lead;
Said state sensor is used for when said fence lead is invaded, making controlled switch closed;
Said test rod is used for when this test rod is opened, and makes controlled switch closed;
Said monitoring unit; Be used to measure the resistance value of fence lead between closed controlled switch and said monitoring unit, and calculate the distance of closed controlled switch to said monitoring unit according to the residing environment temperature of the fence lead of said resistance value and said temperature sensor measurement.
2. system according to claim 1 is characterized in that, the controlled switch of said closure to the distance of said monitoring unit according to computes:
Wherein, L is the distance that closed controlled switch arrives said monitoring unit, R
1Be the resistance value of fence lead between the controlled switch of closure and said monitoring unit, k is the temperature-coefficient of electrical resistance of fence lead, T
0Be standard temperature, r
0For at standard temperature T
0The resistance of following unit length fence lead, T are the residing environment temperature of fence lead that monitoring unit passes through temperature sensor measurement.
3. system according to claim 1 is characterized in that, said monitoring unit also is used for when controlled switch is closed, reporting to the police.
4. system according to claim 1 is characterized in that, at least one state sensor of serial connection in the every fence lead.
5. system according to claim 1 is characterized in that, said controlled switch is parallel between two adjacent rhizosphere hurdle leads.
6. system according to claim 1 is characterized in that, is arranged in the Control Room with the direct-connected fence conducting line segment of the resistance measurement interface of the said second resistance measurement interface group.
7. system according to claim 1 is characterized in that, said state sensor is: flexible member.
8. system according to claim 7 is characterized in that said flexible member is specially spring.
9. a localization method is characterized in that, is applied to comprise like any described fence supervisory system in the claim 1 to 8:
Temperature sensor detects the residing environment temperature of fence lead;
When the fence lead receives when invading, the state sensor makes controlled switch closed, and perhaps when test rod is opened, this test rod makes the controlled switch closure;
Monitoring unit is measured the closed controlled switch and the resistance value of the fence lead between the monitoring unit after detecting the controlled switch closure, calculates the distance of closed controlled switch to monitoring unit according to the residing environment temperature of fence lead of this resistance value and temperature sensor detection then.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151429.1A CN102663866B (en) | 2012-05-15 | 2012-05-15 | Electronic fence monitoring system and positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151429.1A CN102663866B (en) | 2012-05-15 | 2012-05-15 | Electronic fence monitoring system and positioning method |
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| Publication Number | Publication Date |
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| CN102663866A true CN102663866A (en) | 2012-09-12 |
| CN102663866B CN102663866B (en) | 2015-03-18 |
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| CN201210151429.1A Expired - Fee Related CN102663866B (en) | 2012-05-15 | 2012-05-15 | Electronic fence monitoring system and positioning method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104183071A (en) * | 2014-08-29 | 2014-12-03 | 无锡物联网产业研究院 | Perimeter invasion detection device and system |
| CN105321282A (en) * | 2014-07-24 | 2016-02-10 | 深圳市通宝莱科技有限公司 | Intrusion position detection device and intrusion position detection method |
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| US4533906A (en) * | 1981-11-02 | 1985-08-06 | Beta Engineering & Development Ltd. | Fence particularly useful for detecting intrusion attempts |
| US4829287A (en) * | 1987-03-03 | 1989-05-09 | Hitek-Proteck Systems Incorporated | Taut wire intrusion detection system |
| CN201965710U (en) * | 2011-03-25 | 2011-09-07 | 无锡国科微纳传感网科技有限公司 | Peripheral anti-intrusion system and protective facility |
| CN202171853U (en) * | 2011-08-02 | 2012-03-21 | 上海稳普智能科技有限公司 | Variable resistance type perimeter tension fence alarm detector |
| CN202694495U (en) * | 2012-05-15 | 2013-01-23 | 彭磊 | Electronic fence monitoring system |
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2012
- 2012-05-15 CN CN201210151429.1A patent/CN102663866B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4533906A (en) * | 1981-11-02 | 1985-08-06 | Beta Engineering & Development Ltd. | Fence particularly useful for detecting intrusion attempts |
| US4829287A (en) * | 1987-03-03 | 1989-05-09 | Hitek-Proteck Systems Incorporated | Taut wire intrusion detection system |
| CN201965710U (en) * | 2011-03-25 | 2011-09-07 | 无锡国科微纳传感网科技有限公司 | Peripheral anti-intrusion system and protective facility |
| CN202171853U (en) * | 2011-08-02 | 2012-03-21 | 上海稳普智能科技有限公司 | Variable resistance type perimeter tension fence alarm detector |
| CN202694495U (en) * | 2012-05-15 | 2013-01-23 | 彭磊 | Electronic fence monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105321282A (en) * | 2014-07-24 | 2016-02-10 | 深圳市通宝莱科技有限公司 | Intrusion position detection device and intrusion position detection method |
| CN104183071A (en) * | 2014-08-29 | 2014-12-03 | 无锡物联网产业研究院 | Perimeter invasion detection device and system |
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|---|---|
| CN102663866B (en) | 2015-03-18 |
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