CN102663866B - Electronic fence monitoring system and positioning method - Google Patents
Electronic fence monitoring system and positioning method Download PDFInfo
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- CN102663866B CN102663866B CN201210151429.1A CN201210151429A CN102663866B CN 102663866 B CN102663866 B CN 102663866B CN 201210151429 A CN201210151429 A CN 201210151429A CN 102663866 B CN102663866 B CN 102663866B
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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 electronic monitoring technical field, particularly relate to a kind of method of fence supervisory system and location.
Background technology
Fence is widely used in the places such as house, factory, school, mining area, logistics distribution centre, airport, military base, prison.Existing fence can be divided into by its technology: infrared two-way emission type fence, high-voltage pulse type fence, leaky cable formula fence, vibration wireline formula fence, tension type electronic fence and optical fiber type fence etc.
Whether infrared two-way emission type fence is blocked by infrared monitoring device detection infrared ray is monitored; Whether high-voltage pulse type fence detects high-pressure electronic rail voltage loop by high-voltage pulse monitoring device and normally monitors; Leaky cable formula fence detects invader by leaky cable monitoring device and monitors the disturbance of electromagnetic field; The cable vibration that vibration wireline formula fence is attracted by vibration wireline monitoring device detection invader is monitored; Tension type electronic fence is monitored by tension monitoring device detected electrons fence tension variation.
In order to can alert locations location be carried out, for infrared two-way emission type, high-voltage pulse type, leaky cable formula, vibration wireline formula, tension type electronic fence, fence is needed to be divided into some sections, along fence, multiple monitoring device is set, this just needs erection feed cable to power to multiple monitoring device, need erection telecommunication cable to be connected with CSRC terminal by multiple monitoring device simultaneously, carry out warning location according to the address number that the monitoring device of reporting to the police occurs.Multiple monitoring device, feed cable, telecommunication cable not only add equipment cost, and add 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 higher problem of equipment cost that in existing electronic enclosure system, multiple monitoring device, feed cable and telecommunication cable bring, the construction cost of equipment and maintenance cost, its technical scheme is as follows:
A kind of fence supervisory system, comprising:
Temperature sensor;
Monitoring unit, described monitoring unit comprises the first resistance measurement interface group and the second resistance measurement interface group, and described first resistance measurement interface group and the second resistance measurement interface group are provided with N number of resistance measurement interface, N be greater than 1 positive integer;
M bar fence lead, a resistance measurement interface of described first resistance measurement interface group is connected by a fence lead with a resistance measurement interface of described second resistance measurement interface group, and a resistance measurement interface of described first resistance measurement interface group is all only connected with a fence lead with a resistance measurement interface of described second resistance measurement interface group, wherein, M is greater than the positive integer that 1 is less than or equal to N;
Be serially connected in the state sensitive device in described fence lead;
Be connected in parallel on the controlled switch between two fence leads;
Be provided with the test rod of described state sensitive device and described controlled switch;
Wherein, described temperature sensor, for measuring the environment temperature residing for described fence lead;
Described state sensitive device, for when described fence lead section is invaded, makes controlled switch close;
Described test rod, for when this test rod is opened, makes controlled switch close;
Described monitoring unit, for measuring the resistance value of fence lead between closed controlled switch and described monitoring unit, and the environment temperature residing for the fence lead of described resistance value and described temperature sensor measurement calculates the distance of closed controlled switch to described monitoring unit.
Described closed controlled switch calculates to the distance of described monitoring unit according to following formula:
Wherein, L is the closed controlled switch distance to described monitoring unit, and R1 is the resistance value of fence lead between closed controlled switch and described monitoring unit, and k is the temperature-coefficient of electrical resistance of fence lead, T
0for standard temperature, r
0for standard temperature T
0time unit length fence lead resistance, T is for monitoring unit is by the environment temperature residing for the fence lead of temperature sensor measurement.
Described monitoring unit is also for reporting to the police when controlled switch closes.
Preferably, at least one state sensitive device is connected in series in every bar fence lead.
Preferably, described controlled switch is parallel between two adjacent fence leads.
Preferably, the fence lead section connect in succession with the resistance measurement interface direct of described second resistance measurement interface group is arranged in Control Room.
Described state sensitive device is: flexible member.
Preferably, described flexible member is specially spring.
A kind of localization method, is applied to above-mentioned fence supervisory system, comprises:
Temperature sensor detects the environment temperature residing for fence lead;
When fence lead is subject to invading, state sensitive device makes controlled switch close, or when test rod is opened, this test rod makes controlled switch close;
Monitoring unit detects that controlled switch closes the resistance value of the fence lead between controlled switch and monitoring unit that rear measurement closes, and the environment temperature residing for the fence lead then detected according to this resistance value and temperature sensor calculates the distance of closed controlled switch to monitoring unit.
In fence supervisory system provided by the invention and localization method, when fence lead is subject to invading, state sensitive device makes controlled switch close, or when test rod is opened, this test rod makes controlled switch close, monitoring unit measures the resistance value of fence lead between closed controlled switch to monitoring unit, and the environment temperature residing for the fence lead of this resistance value and temperature sensor measurement calculates the distance of closed controlled switch to monitoring unit, thus achieve 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 along fence erection feed cable and telecommunication cable, do not need to arrange any electronic installation with data communication function along fence yet, compared with existing electronic enclosure system, greatly reduce equipment cost, the construction of equipment and maintenance cost.In addition, electronic enclosure system provided by the invention by the impact of weather, environment etc., not this improves the reliability of electronic enclosure system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
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 present invention one;
The structural representation of the electronic enclosure system that Fig. 3 provides for the embodiment of the present invention two;
The structural representation of the electronic enclosure system that Fig. 4 provides for the embodiment of the present invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
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 sensitive device 4, controlled switch 5 and test rod 6.
Monitoring unit 1 comprises the first resistance measurement interface group and the second resistance measurement interface group, and the first resistance measurement interface group and the second resistance measurement interface group are provided with N number of resistance measurement interface, N be greater than 1 positive integer.
A resistance measurement interface of the first resistance measurement interface group is connected by a fence lead 3 with a resistance measurement interface of the second resistance measurement interface group, and a resistance measurement interface of the first resistance measurement interface group is all only connected with a fence lead 3 with a resistance measurement interface of the second resistance measurement interface group, wherein, in electronic enclosure system provided by the invention, fence lead 3 is M bar, and M is greater than the positive integer that 1 is less than or equal to N.
State sensitive device 4 is serially connected in fence lead 3, and controlled switch 5 is connected in parallel between two fence leads 3, and wherein, at least one in two fence leads 3 is serially connected with state sensitive device 4.
State sensitive device 4 and controlled switch 5 are arranged in test rod 6, and test rod 6 is by fence lead 3 segmentation.
Temperature sensor 2, for measuring the environment temperature residing for fence lead 3.
State sensitive device 4, for being made controlled switch 5 close when fence lead 3 by during infringement;
Test rod 6, for when this test rod 6 is opened, makes controlled switch 5 close;
Monitoring unit 1, for measuring the resistance value of fence lead 3 between closed controlled switch 5 and monitoring unit 1, and the environment temperature residing for the fence lead 3 measured according to this resistance value and temperature sensor 2 calculates the distance of closed controlled switch 5 to monitoring unit 1.
Present invention also offers a kind of localization method, be applied to above-mentioned fence supervisory system, the method comprises:
Temperature sensor 2 detects the environment temperature residing for fence lead 3;
When fence lead 3 is subject to invading, state sensitive device 4 makes controlled switch 5 close, or when test rod 6 is opened, this test rod 6 makes controlled switch 5 close;
After monitoring unit 1 detects that controlled switch 5 is closed, measure the resistance value of the fence lead 3 between closed controlled switch 5 and monitoring unit 1, the environment temperature residing for the fence lead 3 then detected according to this resistance value and temperature sensor 2 calculates the distance of closed controlled switch 5 to monitoring unit 1.
Embodiment one
The embodiment of the present 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 present invention one provides comprises: monitoring unit 11, temperature sensor 12, fence lead 13a1,13b1, state sensitive device 14a1, fence lead 13a2,13b2, state sensitive device 14a2, controlled switch 15 and test rod 16.
Wherein, temperature sensor 12 is connected with monitoring unit 11, monitoring unit 11 is provided with the first resistance measurement interface group and the second resistance measurement interface group, wherein, first resistance measurement interface group comprises: resistance measurement interface A1 and resistance measurement interface A2, and 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 forms the first current path with the resistance measurement interface A4 of monitoring unit 11 successively after fence lead 13a1, state sensitive device 14a1, fence lead 13b1 series connection; The resistance measurement interface A2 of monitoring unit 11 forms the second current path with the resistance measurement interface A3 of monitoring unit 11 successively after fence lead 13a2, state sensitive device 14a2, fence lead 13b2 series connection.
Controlled switch 15 is connected in parallel between fence lead 13a1 and 13a2.In the present embodiment, the two ends of controlled switch 15 are connected to the left side of the left side of the 14a1 of state sensitive device, the 14a2 of state sensitive device.Under normal circumstances, controlled switch 15 is in off-state.Certainly; the connected mode that the present embodiment does not limit controlled switch 15 is the connected mode in Fig. 2; such as; the two ends of controlled switch 15 are connected to the right side of the left side of the 14a1 of state sensitive device, the 14a2 of state sensitive device, as long as it is all the scope of protection of the invention that controlled switch 15 is connected in parallel between two fence leads.
Controlled switch 15, state sensitive device 14a1 and state sensitive device 14a2 are closed in test rod 16.
In the present embodiment, when fence lead 13a1 or 13b1 be subject to invading such as cut off time, state sensitive device 14a1 makes controlled switch 15 close; When fence lead 13a2 or 13b2 is subject to invading, state sensitive device 14a2 makes controlled switch 15 close; When test rod 16 is opened, test rod 16 makes controlled switch 15 close.
In the present embodiment, the environment temperature residing for fence lead measured by temperature sensor 12, when controlled switch 15 closes, monitoring unit 11 calculates the resistance of fence lead between closed controlled switch 15 and monitoring unit 11, then the environment temperature residing for the fence lead measured according to the resistance per unit length (known) of this resistance value, fence lead, temperature-coefficient of electrical resistance (known) and temperature sensor 12 calculates the distance of closed controlled switch 15 to monitoring unit 11, thus realizes the location to abnormity point.
The detailed process illustrating that electronic enclosure system that the present embodiment provides to be reported to the police to abnormity point and located is cut off below for fence lead 13a1.
When fence lead 13a1 is cut off, state sensitive device 14a1 makes controlled switch 15 close, and now monitoring unit 11 is reported to the police, and resistance measurement interface A1, A4's is separated, forms conductive path between resistance measurement interface A2, A4.If the resistance of fence lead 13a2 is R
1the electric current that monitoring unit 11 is applied between A2, A3 is known as I, monitoring unit 11 voltage detected between A2, A4 mouth is U, and closed controlled switch 15 is equal 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
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 11 is measured by 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 example with fence lead 13a1 below and the detailed process that the electronic enclosure system that provides of the present embodiment to be reported to the police to abnormity point and located is described.
When fence lead 13a1 is stretched, state sensitive device 14a1 makes controlled switch 15 close, now, now monitoring unit 11 is reported to the police, and forms conductive path between resistance measurement interface A1 and A2, between resistance measurement interface A1 and A3, between resistance measurement interface A3 and A4, between resistance measurement interface A2 and A4.If the resistance of fence lead 13a2 is R
1the electric current that monitoring unit 11 is applied between A2, A3 is known as I, monitoring unit 11 voltage detected between A2, A4 mouth is U, and closed controlled switch 15 is equal 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
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 11 is measured by temperature sensor 12 is T, then the resistance measurement interface A2 of monitoring unit 11 through fence lead 13a2 to the distance L of closed controlled switch 15 is:
Be opened to example with test rod 16 below, the detailed process that the electronic enclosure system that the present embodiment provides is reported to the police to abnormity point and located is described.
When test rod 16 is opened, test rod 16 makes controlled switch 15 close, now, monitoring unit 11 is reported to the police, and forms conductive path between resistance measurement interface A1 and A2, between resistance measurement interface A1 and A3, between resistance measurement interface A3 and A4, between resistance measurement interface A2 and A4.If the resistance of fence lead 13a2 is R
1the electric current that monitoring unit 11 is applied between A2, A3 is known as I, monitoring unit 11 voltage detected between A2, A4 mouth is U, and closed controlled switch 15 is equal 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
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 11 is measured by temperature sensor 12 is T, then the resistance measurement interface A2 of monitoring unit 11 through fence lead 13a2 to the distance L of closed controlled switch 15 is:
In the present embodiment, state sensitive device is preferably elastic mechanism, as spring, under normal circumstances, spring is by pretension, and the controlled switch that this pretightning force makes spring drive is in off-state between two fence leads, when fence lead is cut off or is stretched, the tensile force acting on fence lead acts on spring, and when fence lead tensile force is greater than a setting value or is less than another setting value, spring can make its controlled switch driven close.
The embodiment of the present invention additionally provides a kind of localization method, is applied to above-mentioned electronic enclosure system, and the method comprises (fence lead 13a1 is cut off as example):
Temperature sensor 12 detects the environment temperature residing for fence lead;
State sensitive device 14a1 makes controlled switch 15 close, and forms conductive path between resistance measurement interface A2, A4;
Monitoring unit 11 measures the resistance R of fence lead 13a2
1, then according to this resistance value R
1and the environment temperature residing for fence lead that temperature sensor 12 detects calculates the distance of closed controlled switch 15 (abnormity point) to monitoring unit 11.
In the present embodiment, fence lead is cut off, stretch or test rod is opened, closed by same controlled switch and realize positioning abnormity point, as fence lead 13a1 cut off or be stretched time, controlled switch 15 closes, when test rod 16 is opened, be that controlled switch 15 closes equally.Certainly, the present embodiment is not limited thereto, also can between fence lead 13a1 and 1,3a2 two controlled switchs in parallel, one of them is for being closed when fence lead 13a1 cuts off or is stretched, and another is for closing when test rod 16 is opened.
In the fence supervisory system that the embodiment of the present invention provides and localization method, when fence lead is subject to invading, state sensitive device makes controlled switch close, or, when test rod is opened, this test rod makes controlled switch close, monitoring unit detects that controlled switch is closed and reports to the police, monitoring unit measures the resistance value of fence lead between closed controlled switch to monitoring unit, and the environment temperature residing for the fence lead of this resistance value and temperature sensor measurement calculates the distance of closed controlled switch to monitoring unit, thus the location achieved abnormity point.Fence supervisory system provided by the invention only needs a monitoring unit just can monitor whole fence, do not need along fence erection feed cable and telecommunication cable, do not need to arrange any electronic installation with data communication function along fence yet, compared with existing electronic enclosure system, greatly reduce equipment cost, the construction of equipment and maintenance cost.In addition, the electronic enclosure system that the embodiment of the present invention provides by the impact of weather, environment etc., does not therefore improve the reliability of electronic enclosure system.
Embodiment two
The embodiment of the present invention two provides a kind of electronic enclosure system, Fig. 3 is the structural representation of this system, the electronic enclosure system that the present embodiment provides comprises: monitoring unit 21, temperature sensor 22, fence lead 23a1,23b1,23c1,23d1, state sensitive device 24a1,24b1,24c1, fence lead 23a2,23b2,23c2,23d2, state sensitive device 24a2,24b2,24c2, controlled switch 25a, 25b, 25c, test rod 26a, 26b, 26c.
Temperature sensor 22 is connected with monitoring unit 21, monitoring unit 21 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 A2, and the second resistance measurement interface group comprises: resistance measurement interface A3 and A4.
The resistance measurement interface A1 of monitoring unit 21 forms the first current path with the resistance measurement interface A4 of monitoring unit 21 successively after fence lead 23a1, state sensitive device 24a1, fence lead 23b1, state sensitive device 24b1, fence lead 23c1, state sensitive device 24c1 and fence lead 23d1 connect; The resistance measurement interface A2 of monitoring unit 21 forms the second current path with the resistance measurement interface A3 of monitoring unit 21 successively after fence lead 23a2, state sensitive device 24a2, fence lead 23b2, state sensitive device 24b2, fence lead 23c2, state sensitive device 24c2 and fence lead 23d2 connect.
Controlled switch 25a is parallel between fence lead 23a1 and 23a2, and controlled switch 25b is parallel between fence lead 23b1 and 23b2, and controlled switch 25c is parallel between fence lead 23c1 and 23c2.
Under normal circumstances, controlled switch 25a, 25b and 25c is in off-state.
The connected mode that certain the present embodiment does not limit controlled switch 25a, 25b, 25c is the connected mode in Fig. 3; such as; the two ends of controlled switch 25a are connected to the right side of the left side of the 24a1 of state sensitive device, the 24a2 of state sensitive device, as long as it is all the scope of protection of the invention that controlled switch 25a is connected in parallel between two fence leads.
State sensitive device 24a1, state sensitive device 24a2 and controlled switch 25a are closed in test rod 26a, state sensitive device 24b1, state sensitive device 24b2 and controlled switch 25b are closed in test rod 26b, and state sensitive device 24c1, state sensitive device 24c2 and controlled switch 25c are closed in test rod 26c.
When fence lead 23a1 is subject to invading, state sensitive device 24a1 makes controlled switch 25a close; When fence lead 23a2 is subject to invading, state sensitive device 24a2 makes controlled switch 25a close; When test rod 26a is opened, test rod 26a makes controlled switch 25a close.
When fence lead 23b1 is subject to invading, state sensitive device 24b1 makes controlled switch 25b close; When fence lead 23b2 is subject to invading, state sensitive device 24b2 makes controlled switch 25b close; When test rod 26b is opened, test rod 26b makes controlled switch 25b close.
When fence lead 23c1 is subject to invading, state sensitive device 24c1 makes controlled switch 25c close; When fence lead 23c2 is subject to invading, state sensitive device 24c2 makes controlled switch 25c close; When test rod 26c is opened, test rod 26c makes controlled switch 25c close.
Because fence lead 23d1 and 23d2 is positioned at Control Room, therefore can not be invaded.
The detailed process illustrating that electronic enclosure system that the present embodiment provides to be reported to the police to abnormity point and located is cut off below for fence lead 23b1.
When fence lead 23b1 is cut off, state sensitive device 24b1 makes controlled switch 25b close, and now, monitoring unit 21 is reported to the police, and forms conductive path between resistance measurement interface A3, A4 and between resistance measurement interface A2, A4.If the resistance in series of fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 is R
1the electric current that monitoring unit 21 is applied between A2, A3 is known as I, monitoring unit 21 voltage detected between A2, A4 mouth is U, closed controlled switch 25b is equal with the current potential at resistance measurement interface A4 place with the current potential at fence lead 23b2 tie point place, then the resistance in series of fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 is R
1for:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 21 is measured by temperature sensor 22 is T, then the resistance measurement interface A2 of monitoring unit 21 through fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 to the distance L of controlled switch 25b is:
Be drawn as example with fence lead 23b1 below and the detailed process that the electronic enclosure system that provides of the present embodiment to be reported to the police to abnormity point and located is described.
When fence lead 23b1 is stretched, state sensitive device 24b1 makes controlled switch 25b close, monitoring unit 21 is reported to the police, and forms conductive path between resistance measurement interface A1 and A2, between resistance measurement interface A3 and A4, between resistance measurement interface A1 and A3, between resistance measurement interface A2 and A4.If the resistance in series of fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 is R
1the electric current that monitoring unit 21 is applied between A2, A3 is known as I, monitoring unit 21 voltage detected between A2, A4 mouth is U, closed controlled switch 25b is equal with the current potential at resistance measurement interface A4 place with the current potential at fence lead 23b2 tie point place, then the resistance in series of fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 is R
1for:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 21 is measured by temperature sensor 22 is T, then the resistance measurement interface A2 of monitoring unit 21 through fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 to the distance L of controlled switch 25b is:
Be opened to example with test rod 26b below and the detailed process that the electronic enclosure system that provides of the present embodiment to be reported to the police to abnormity point and located is described.
When test rod 26b is opened, test rod 26b makes controlled switch 25b close, monitoring unit 21 is reported to the police, and forms conductive path between resistance measurement interface A1 and A2, between resistance measurement interface A3 and A4, between resistance measurement interface A1 and A3, between resistance measurement interface A2 and A4.If the resistance in series of fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 is R
1the electric current that monitoring unit 21 is applied between A2, A3 is known as I, monitoring unit 21 voltage detected between A2, A4 mouth is U, closed controlled switch 25b is equal with the current potential at resistance measurement interface A4 place with the current potential at fence lead 23b2 tie point place, then the resistance in series of fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 is R
1for:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 21 is measured by temperature sensor 22 is T, then the resistance measurement interface A2 of monitoring unit 21 through fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 to the distance L of controlled switch 25b is:
In the present embodiment, state sensitive device is preferably elastic mechanism, as spring, under normal circumstances, spring is by pretension, and the controlled switch that this pretightning force makes spring drive is in off-state between two fence leads, when fence lead is stretched or cut off, the tensile force acting on fence lead acts on the spring be connected with this fence lead, and when tensile force is greater than certain value or be less than another setting value, spring can make its controlled switch driven close.In addition, in the present embodiment, because each state sensitive device is connected with two sections of fence leads, for the ease of positioning abnormity point, each state sensitive device being set and being only responsible for detecting a section in two sections of fence leads of series connection with it.When the state of the fence lead detecting its side is only responsible for by each state sensitive device, the fence lead section near the second resistance measurement interface in the system that the present embodiment provides is arranged in Control Room.Certainly, the fence lead section that the present embodiment does not limit near the second resistance measurement interface is arranged in Control Room, also can be not detected for state arbitrary and arbitrary section of fence lead are placed in the place that cannot be invaded.
In the present embodiment, fence lead is cut off, stretch or test rod is opened, that same controlled switch by being arranged in same test rod closes and realizes positioning abnormity point, as fence lead 23b1 cut off or be stretched time, controlled switch 25b closes, when test rod 26b is opened, be that controlled switch 25b closes equally.Certainly, the present embodiment is not limited thereto, also can between fence lead 23b1 and 2,3b2 two controlled switchs in parallel, one of them is for being closed when fence lead 23b1 cuts off or is stretched, and another is for closing when test rod 26b is opened.
The embodiment of the present invention additionally provides a kind of method of location, is applied to above-mentioned electronic enclosure system, and the method comprises (fence lead 23b1 is cut off as example):
Temperature sensor 22 detects the environment temperature residing for fence lead;
State sensitive device 24b1 makes controlled switch 25b close, and forms conductive path between resistance measurement interface A2, A4 and between resistance measurement interface A3, A4;
The resistance in series that monitoring unit 21 measures fence lead 23a2, state sensitive device 24a2 and fence lead 23b2 is R
1, then according to this resistance value R
1and the environment temperature residing for fence lead that temperature sensor 22 detects calculates the distance of closed controlled switch 25b to monitoring unit.
In the fence supervisory system that the embodiment of the present invention provides and localization method, when fence lead is subject to invading, state sensitive device makes controlled switch close, or, when test rod is opened, this test rod makes controlled switch close, monitoring unit is reported to the police, monitoring unit measures the resistance value of fence lead between closed controlled switch to monitoring unit, and the environment temperature residing for the fence lead of this resistance value and temperature sensor measurement calculates the distance of closed controlled switch to monitoring unit, thus achieve 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 along fence erection feed cable and telecommunication cable, do not need to arrange any electronic installation with data communication function along fence yet, compared with existing electronic enclosure system, greatly reduce equipment cost, the construction of equipment and maintenance cost.In addition, the electronic enclosure system that the embodiment of the present invention provides by the impact of weather, environment etc., does not therefore improve the reliability of electronic enclosure system.
Embodiment three
The embodiment of the present invention three provides a kind of electronic enclosure system, Fig. 4 is the structural representation of this system, the electronic enclosure system that the present embodiment provides comprises: monitoring unit 31, temperature sensor 32, fence lead 33a1, 33b1, 33c1, 33d1, 33e1, state sensitive device 34a1, 34b1, 34c1, 34d1, fence lead 33a2, 33b2, 33c2, 33d2, 33e2, state sensitive device 34a2, 34b2, 34c2, 34d2, fence lead 33a3, 33b3, 33c3, 33d3, 33e3, state sensitive device 34a3, 34b3, 34c3, 34d3, fence lead 33a4, 33b4, 33c4, 33d4, 33e4, state sensitive device 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, first resistance measurement interface group comprises: resistance measurement interface A1, A2, A3, A4, and the second resistance measurement interface group comprises: resistance measurement interface A5, A6, A7, A8.
The resistance measurement interface A1 of monitoring unit 31 forms the first current path with the resistance measurement interface A8 of monitoring unit 31 successively after fence lead 33a1, state sensitive device 34a1, fence lead 33b1, state sensitive device 34b1, fence lead 33c1, state sensitive device 34c1, fence lead 33d1, state sensitive device 34d1 and fence lead 33e1 connect; The resistance measurement interface A2 of monitoring unit 31 forms the second current path with the resistance measurement interface A7 of monitoring unit 31 successively after fence lead 33a2, state sensitive device 34a2, fence lead 33b2, state sensitive device 34b2, fence lead 33c2, state sensitive device 34c2, fence lead 33d2, state sensitive device 34d2 and fence lead 33e2 connect; The resistance measurement interface A3 of monitoring unit 31 forms the 3rd current path with the resistance measurement interface A6 of monitoring unit 31 successively after fence lead 33a3, state sensitive device 34a3, fence lead 33b3, state sensitive device 34b3, fence lead 33c3, state sensitive device 34c3, fence lead 33d3, state sensitive device 34d3 and fence lead 33e3 connect; The resistance measurement interface A4 of monitoring unit 31 forms the 4th current path with the resistance measurement interface A5 of monitoring unit 31 successively after fence lead 33a4, state sensitive device 34a4, fence lead 33b4, state sensitive device 34b4, fence lead 33c4, state sensitive device 34c4, fence lead 33d4, state sensitive device 34d4 and fence lead 33e4 connect.
Controlled switch 35a1 is parallel between fence lead 33a1 and 33a2, and controlled switch 35a2 is connected in parallel between fence lead 33a2 and 33a3, and controlled switch 35a3 is connected in parallel between fence lead 33a3 and 33a4; Controlled switch 35b1 is parallel between fence lead 33b1 and 33b2, and controlled switch 35b2 is connected in parallel between fence lead 33b2 and 33b3, and controlled switch 35b3 is connected in parallel between fence lead 33b3 and 33b4; Controlled switch 35c1 is parallel between fence lead 33c1 and 33c2, and controlled switch 35c2 is connected in parallel between fence lead 33c2 and 33c3, and controlled switch 35c3 is connected in parallel between fence lead 33c3 and 33c4; Controlled switch 35d1 is parallel between fence lead 33d1 and 33d2, and controlled switch 35d2 is connected in parallel between fence lead 33d2 and 33d3, and controlled switch 35d3 is connected in parallel between fence lead 33d3 and 33d4.Under normal circumstances, all controlled switchs are in off-state.
The connected mode that certain the present embodiment does not limit controlled switch 35a1,35a2,35a3,35b1,35b2,35b3,35c1,35c2,35c3,35d1,35d2,35d3 is the connected mode in Fig. 4; such as; the two ends of controlled switch 35a1 are connected to the right side of the left side of the 34a1 of state sensitive device, the 34a2 of state sensitive device, as long as it is all the scope of protection of the invention that controlled switch 35a1 is connected in parallel between two fence leads.
State sensitive device 34a1,34a2,34a3,34a4 and controlled switch 35a1,35a2,35a3 are enclosed in test rod 36a; State sensitive device 34b1,34b2,34b3,34b4 and controlled switch 35b1,35b2,35b3 are enclosed in test rod 36b; State sensitive device 34c1,34c2,34c3,34c4 and controlled switch 35c1,35c2,35c3 are enclosed in test rod 36c; State sensitive device 34d1,34d2,34d3,34d4 and controlled switch 35d1,35d2,35d3 are enclosed in test rod 36d.
When fence lead 33a1 be subject to invading such as cut off time, state sensitive device 34a1 to make in controlled switch 35a1,35a2,35a3 at least one close; When fence lead 33a2 is subject to invading, state sensitive device 34a2 to make in controlled switch 35a1,35a2,35a3 at least one close; When fence lead 33a3 is subject to invading, state sensitive device 34a3 to make in controlled switch 35a1,35a2,35a3 at least one close; When fence lead 33a4 is subject to invading, state sensitive device 34a4 to make in controlled switch 35a1,35a2,35a3 at least one close.
When test rod 36a is opened, test rod 36a to make in controlled switch 35a1,35a2,35a3 at least one close.
When fence lead 33b1 is subject to invading, state sensitive device 34b1 to make in controlled switch 35b1,35b2,35b3 at least one close; When fence lead 33b2 is subject to invading, state sensitive device 34b2 to make in controlled switch 35b1,35b2,35b3 at least one close; When fence lead 33b3 is subject to invading, state sensitive device 34b3 to make in controlled switch 35b1,35b2,35b3 at least one close; When fence lead 33b4 is subject to invading, state sensitive device 34b4 to make in controlled switch 35b1,35b2,35b3 at least one close.
When test rod 36b is opened, test rod 36b to make in controlled switch 35b1,35b2,35b3 at least one close.
When fence lead 33c1 is subject to invading, state sensitive device 34c1 to make in controlled switch 35c1,35c2,35c3 at least one close; When fence lead 33c2 is subject to invading, state sensitive device 34c2 to make in controlled switch 35c1,35c2,35c3 at least one close; When fence lead 33c3 is subject to invading, state sensitive device 34c3 to make in controlled switch 35c1,35c2,35c3 at least one close; When fence lead 33c4 is subject to invading, state sensitive device 34c4 to make in controlled switch 35c1,35c2,35c3 at least one close.
When test rod 36c is opened, test rod 36c to make in controlled switch 35c1,35c2,35c3 at least one close.
When fence lead 33d1 is subject to invading, state sensitive device 34d1 to make in controlled switch 35d1,35d2,35d3 at least one close; When fence lead 33d2 is subject to invading, state sensitive device 34d2 to make in controlled switch 35d1,35d2,35d3 at least one close; When fence lead 33d3 is subject to invading, state sensitive device 34d3 to make in controlled switch 35d1,35d2,35d3 at least one close; When fence lead 33d4 is subject to invading, state sensitive device 34d4 to make in controlled switch 35d1,35d2,35d3 at least one close.
When test rod 36d is opened, test rod 36d to make in controlled switch 35d1,35d2,35d3 at least one close.
Because fence lead 33e1,33e2,33e3 and 33e4 are positioned at Control Room, therefore can not be invaded.
Cut off for fence lead 33b2 below and illustrated that the electronic enclosure system that the present embodiment provides carries out to abnormity point the detailed process of locating of reporting to the police.
When fence lead 33b2 is cut off, state sensitive device 34b2 to make in controlled switch 35b1,35b2,35b3 at least one close, and such as controlled switch 35b2 closes, now, monitoring unit 31 is reported to the police, and between resistance measurement interface A3, A7, forms conductive path between resistance measurement interface A6, A7.If the resistance in series of fence lead 33a3, state sensitive device 34a3 and fence lead 33b3 is R
1the electric current that monitoring unit 31 is applied between resistance measurement interface A3, A6 is known as I, monitoring unit 31 voltage detected between resistance measurement interface A3, A7 is U, closed controlled switch 35b2 is equal 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 sensitive device 34a3 and fence lead 33b3
1for:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 31 is measured by temperature sensor 32 is T, then the resistance measurement interface A3 of monitoring unit 31 through fence lead 33a3, state sensitive device 34a3 and fence lead 33b3 to the distance L of test rod 36b is:
Be drawn as example with fence lead 33b2 below and illustrate that the electronic enclosure system that the present embodiment provides carries out to abnormity point the detailed process of locating of reporting to the police.
When fence lead 33b2 is stretched, state sensitive device 34b2 to make in controlled switch 35b1,35b2,35b3 at least one close, such as controlled switch 35b2 closes, now, monitoring unit 31 is reported to the police, and forms conductive path between resistance measurement interface A2 and A3, between resistance measurement interface A6 and A7, between resistance measurement interface A2 and A6, between resistance measurement interface A3 and A7.If the resistance in series of fence lead 33a3, state sensitive device 34a3 and fence lead 33b3 is R
1the electric current that monitoring unit 31 is applied between resistance measurement interface A3, A6 is known as I, monitoring unit 31 voltage detected between resistance measurement interface A3, A7 is U, closed controlled switch 35b2 is equal 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 sensitive device 34a3 and fence lead 33b3
1for:
If the temperature-coefficient of electrical resistance of fence lead is k, at standard temperature T
0under, the resistance of unit length fence lead is r
0, the environment temperature residing for the fence lead that monitoring unit 31 is measured by temperature sensor 32 is T, then the resistance measurement interface A3 of monitoring unit 31 through fence lead 33a3, state sensitive device 34a3 and fence lead 33b3 to the distance L of test rod 36b is:
Be opened to example with test rod 36b below and illustrate that the electronic enclosure system that the present embodiment provides carries out to abnormity point the detailed process of locating of reporting to the police.
When test rod 36b is opened, test rod 36b to make in controlled switch 35b1,35b2,35b3 at least one close, such as controlled switch 35b2 closes, now, monitoring unit 31 is reported to the police, and forms conductive path between resistance measurement interface A2 and A3, between resistance measurement interface A6 and A7, between resistance measurement interface A2 and A6, resistance measurement interface A3 and A7.The resistance in series of setting fence lead 33a3, state sensitive device 34a3 and fence lead 33b3 is R
1the electric current that monitoring unit 31 is applied between resistance measurement interface A3, A6 is known as I, monitoring unit 31 voltage detected between resistance measurement interface A3, A7 is U, closed controlled switch 35b2 is equal 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 sensitive device 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 environment temperature residing for the fence lead that monitoring unit 31 is measured by temperature sensor 32 is T, then the resistance measurement interface A3 of monitoring unit 31 through fence lead 33a3, state sensitive device 34a3 and fence lead 33b3 to the distance L of test rod 36b is:
The embodiment of the present invention additionally provides a kind of localization method, is applied to above-mentioned electronic enclosure system, and the method comprises (fence lead 33b2 is cut off as example):
Temperature sensor 32 detects the environment temperature residing for fence lead;
State sensitive device 34b2 to make in controlled switch 35b1,35b2,35b3 at least one close, and such as 35b2 closes, and between resistance measurement interface A3, A7, forms conductive path between resistance measurement interface A6, A7;
Monitoring unit 31 measures the resistance in series R of fence lead 33a3, state sensitive device 34a3 and fence lead 33b3
1, then according to this resistance value R
1and the environment temperature residing for fence lead that temperature sensor 32 detects calculates the distance of closed controlled switch 35b2 (abnormity point) to monitoring unit 31.
In the present embodiment, controlled switch is preferably connected in parallel between adjacent two fence leads, and certain the present embodiment is not limited thereto, and controlled switch also can be parallel to mutually between non-conterminous two fence leads.
In the present embodiment, in every root test rod, controlled switch quantity is 3, and certainly, the present embodiment is not limited thereto, and in every root test rod, controlled switch quantity is at least 1.
In the present embodiment, fence lead is cut off, stretch or test rod is opened, that at least one closed realization of same group of controlled switch by being arranged in same test rod positions abnormity point, as fence lead 33b1 cut off or be stretched time, in controlled switch 35b1,35b2,35b3, at least one closes, when test rod 36b is opened, be that in controlled switch 35b1,35b2,35b3, at least one closes equally.Certainly, the present embodiment is not limited thereto, and also can arrange two groups of controlled switchs in same test rod, and wherein one group is used for being closed when fence lead 33b1 cuts off or is stretched, another group is used for when test rod 36b is opened closed, and two groups of controlled switchs are connected in parallel between two fence leads.
In addition, in the present embodiment, because each state sensitive device is connected with two sections of fence leads, for the ease of positioning abnormity point, each state sensitive device being set and being only responsible for detecting a section in two sections of fence leads of series connection with it.When the state of the fence lead detecting its side is only responsible for by each state sensitive device, near the fence lead section of the second resistance measurement interface in the system that the present embodiment provides, as 33e1,33e2,33e3 and 33e4 are arranged in Control Room.Certainly, the fence lead section that the present embodiment does not limit near the second resistance measurement interface is arranged in Control Room, also can be not detected for state arbitrary and arbitrary section of fence lead are placed in the place that cannot be invaded.
In the fence supervisory system that the embodiment of the present invention provides and localization method, when fence lead is subject to invading, state sensitive device makes controlled switch close, or, when test rod is opened, this test rod makes controlled switch close, monitoring unit is reported to the police and is measured the resistance value of fence lead between closed controlled switch to monitoring unit, environment temperature residing for the fence lead of this resistance value and temperature sensor measurement calculates the distance of closed controlled switch to monitoring unit, thus achieves 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 along fence erection feed cable and telecommunication cable, do not need to arrange any electronic installation with data communication function along fence yet, compared with existing electronic enclosure system, greatly reduce equipment cost, the construction of equipment and maintenance cost.In addition, the electronic enclosure system that the embodiment of the present invention provides by the impact of weather, environment etc., does not therefore improve the reliability of electronic enclosure system.
What in this instructions, each embodiment stressed is all the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a fence supervisory system, is characterized in that, comprising:
Temperature sensor;
Monitoring unit, described monitoring unit comprises the first resistance measurement interface group and the second resistance measurement interface group, and described first resistance measurement interface group and the second resistance measurement interface group are provided with N number of resistance measurement interface, N be greater than 1 positive integer;
M bar fence lead, a resistance measurement interface of described first resistance measurement interface group is connected by a fence lead with a resistance measurement interface of described second resistance measurement interface group, and a resistance measurement interface of described first resistance measurement interface group is all only connected with a fence lead with a resistance measurement interface of described second resistance measurement interface group, wherein, M is greater than the positive integer that 1 is less than or equal to N;
Be serially connected in the state sensitive device in described fence lead;
Be connected in parallel on the controlled switch between two fence leads;
Be provided with the test rod of described state sensitive device and described controlled switch;
Described temperature sensor, for measuring the environment temperature residing for described fence lead;
Described state sensitive device, for being made controlled switch close when described fence lead invades;
Described test rod, for when this test rod is opened, makes controlled switch close;
Described monitoring unit, for measuring the resistance value of fence lead between closed controlled switch and described monitoring unit, and the environment temperature residing for the fence lead of described resistance value and described temperature sensor measurement calculates the distance of closed controlled switch to described monitoring unit;
Described closed controlled switch calculates to the distance of described monitoring unit according to following formula:
Wherein, L is the closed controlled switch distance to described monitoring unit, R
1for the resistance value of fence lead between closed controlled switch and described monitoring unit, k is the temperature-coefficient of electrical resistance of fence lead, T
0for standard temperature, r
0for at standard temperature T
0the resistance of lower unit length fence lead, T is for monitoring unit is by the environment temperature residing for the fence lead of temperature sensor measurement.
2. fence supervisory system according to claim 1, is characterized in that, described monitoring unit is also for reporting to the police when controlled switch closes.
3. fence supervisory system according to claim 1, is characterized in that, is connected in series at least one state sensitive device in every bar fence lead.
4. fence supervisory system according to claim 1, is characterized in that, described controlled switch is parallel between two adjacent fence leads.
5. fence supervisory system according to claim 1, is characterized in that, the fence lead section connect in succession with the resistance measurement interface direct of described second resistance measurement interface group is arranged in Control Room.
6. fence supervisory system according to claim 1, is characterized in that, described state sensitive device is: flexible member.
7. fence supervisory system according to claim 6, is characterized in that, described flexible member is specially spring.
8. a localization method, is characterized in that, is applied to fence supervisory system as claimed in any of claims 1 to 7 in one of claims, comprises:
Temperature sensor detects the environment temperature residing for fence lead;
When fence lead is subject to invading, state sensitive device makes controlled switch close, or when test rod is opened, this test rod makes controlled switch close;
Monitoring unit detects that controlled switch closes the resistance value of the fence lead between controlled switch and monitoring unit that rear measurement closes, and the environment temperature residing for the fence lead then detected according to this resistance value and temperature sensor calculates the distance of closed controlled switch to monitoring unit.
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| 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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| CN102663866B true CN102663866B (en) | 2015-03-18 |
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| 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 |
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 |
-
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 |
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