CN205193986U - Leak cable invasion detection system with feature -similarity degree detects - Google Patents

Leak cable invasion detection system with feature -similarity degree detects Download PDF

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Publication number
CN205193986U
CN205193986U CN201521018391.6U CN201521018391U CN205193986U CN 205193986 U CN205193986 U CN 205193986U CN 201521018391 U CN201521018391 U CN 201521018391U CN 205193986 U CN205193986 U CN 205193986U
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China
Prior art keywords
cable
detection system
detector
leakage
unit
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CN201521018391.6U
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Chinese (zh)
Inventor
卢伟明
胡宝军
孙清华
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Beijing Dax Electronic Ltd
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Beijing Dax Electronic Ltd
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Abstract

The utility model provides a leak cable invasion detection system with feature -similarity degree detects, including detector and two leakage cables, be equipped with microprocessor, radio wave emission module, signal reception module in the detector, microprocessor includes information acquisition unit, diagnostic information threshold value sequence memory cell, processing unit and alarm unit, the information acquisition unit diagnostic information threshold value sequence memory cell the alarm unit all with processing unit connects. The utility model provides a leak cable invasion detection system and not only have and survey and alarm effect, can carry out feature -similarity degree to the invasion target moreover and detect the function, just can take place alarm signal under the condition that accords with alarm threshold value, prevent because signal interference and the warning that produces effectively reduces the misstatement rate alleviates personnel on duty's working strength, effectively improved the practicality of detector.

Description

A kind of leakage cable intrusion detection system that there is characteristic similarity and detect
Technical field
The utility model relates to technical field of security and protection, particularly a kind of leakage cable intrusion detection system having characteristic similarity and detect.
Background technology
Circumference intrusion detection warning system is a large emphasis equipment of security precautions technology, it is based on sound, light, electricity, the physical actions such as stress, at present, the circumference intrusion detection product that domestic security product market accounts for dominant position surely belong to active infrared beam blocking away from correlation system, but this series products is following very important shortcoming inherently: it is vulnerable to Climatic Effects, thus cause wrong report, in addition, this system needs periodicmaintenance, improve the labour intensity of security protection personnel, and defence area is arranged too directly perceived, protection effect is poor, therefore, in order to meet the specific demand in security protection place, people need to develop other different principle circumference intrusion detection warning systems.
Along with the development of high-tech technology, leakage cable intrusion guard system is gradually in bank, national treasury, senior house, prison, warehouse, museum, power station, military organs and facility, base, oil field, the place application such as historical relic's protection region, this system is mainly used in the safety coefficient improving above-mentioned place, its principle of work is that principle is leaked in radio electromagnetsm field, when intruder enters within the scope of electromagnetic field, electromagnetic field is interfered, system then detects undesired signal, and report to the police, this detection system can not be subject to climate effect, to the various severe physical environment of indoor and outdoor and high and low temperature environment, there is very strong adaptive faculty, therefore, be applied to all trades and professions gradually.But still there are some defects in current existing leakage cable intrusion guard system, such as patent document publication number leaky cable perimeter intrusion detecting system disclosed in CN202615539U, although this system can realize locating intrusion target, and be not subject to mutual interference when neighbouring device can be made to work, but this detection system cannot be filtered undesired signal, such as use this system in open space, then can there is a lot of undesired signal in this spatial neighborhood, such as external broadcasting, TV, the wave interference such as communication, the interference that toy is swarmed into and thunder and lightning, electric pulse radiation interference of electromechanical equipment etc., these interference are random to be occurred, be easy to make leakage cable intrusion detection system produce some error alarm signal, this detection system does not have the ability of filtering undesired signal, this frequently checks making the personnel on duty receiving alerting signal, if region, place is comparatively large, be easy to cause personnel on duty tired, have impact on the result of use of detection system greatly.
Utility model content
In order to solve detection system of the prior art, not there is the ability of filtering undesired signal, be easy to produce some error alarm signal, this frequently checks making the personnel on duty receiving alerting signal simultaneously, if region, place is comparatively large, be easy to cause personnel on duty tired, have impact on the problems such as the result of use of detection system greatly, the utility model provides a kind of leakage cable intrusion detection system having characteristic similarity and detect.
The concrete technical scheme of the utility model is as follows:
The utility model provides a kind of leakage cable intrusion detection system having characteristic similarity and detect, two leaky cables comprising detector and be connected with described detector, be provided with microprocessor, radio wave transmission module, signal receiving module in described detector, described radio wave transmission module is all connected with described microprocessor with described signal receiving module; Described radio wave transmission module is connected with a wherein leaky cable, and described signal receiving module is connected with another leaky cable;
Described microprocessor comprises information acquisition unit, characteristic information threshold series storage unit, processing unit and alarm unit, and described information acquisition unit, described characteristic information threshold series storage unit, described alarm unit are all connected with described processing unit; Characteristic information threshold series sample is stored in described characteristic information threshold series storage unit; Described information acquisition unit is for receiving the disturbance fluctuation signal of described signal receiving module transmission, and disturbance fluctuation signal is sent to described processing unit, described processing unit is by disturbance fluctuation signal transacting morphogenesis characters information sequence, characteristic information threshold series sample in described characteristic information sequence and described characteristic information threshold series storage unit is carried out similarity check processing, and described processing unit judges whether to generate warning message according to similarity simultaneously; Described alarm unit receives the warning message of described processing unit and reports to the police.
Further, this detection system also comprises the terminal server be connected with described detector communication; Described microprocessor also comprises the communication unit be connected with described processing unit, and described communication unit is connected with described terminal server by the serial communication interface be arranged on described detector;
Also be provided with display unit in described microprocessor, described display unit is connected with described processing unit, and described display unit is for showing the oscillogram of time dependent disturbance fluctuation burst.
Further, described detector side is parallel is provided with emission port and receiving port, described radio wave transmission module is connected with a wherein leaky cable by described emission port, and described signal receiving module passes through described receiving port and is connected with another leaky cable.
Further, described leaky cable by cable splice, the sub-cable of non-leakage, leak sub-cable and terminator connects to form successively, the sub-cable of described leakage is evenly provided with leak; Described cable splice is connected with described emission port or described receiving port, and the sub-cable of described non-leakage is connected by cable connection tube with the sub-cable of described leakage.
Further, this detection system also comprises transmission conduit, and described leaky cable cross-under is in described transmission conduit.
Further, well heater is provided with in described detector and the temperature controller that is connected with described well heater.
Further, be provided with power module in described detector, described power module comprises straight charging source and reserve battery.
Preferably, described detector outside is provided with shell, and the outer wall of described shell is coated with moisture barrier.
Preferably, described shell is provided with the electromagnetic lock for blocking described shell, and described electromagnetic lock is connected with described alarm unit.
The beneficial effects of the utility model are as follows: the leakage cable intrusion detection system that the utility model provides compared with prior art not only has detection and warning effect, and characteristic similarity measuring ability can be carried out to intrusion target, just alerting signal can be there is when meeting alarm threshold value, prevent the warning produced due to signal disturbing, effective reduction rate of false alarm, alleviate the working strength of personnel on duty, effectively improve the practicality of detector, be convenient to personnel on duty use, this system has easy to use simultaneously, production cost is lower, intelligent adjustment reduces use difficulty, effectively be applicable to various environment, practical.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 1;
Fig. 2 is a kind of structural representation with microprocessor in the leakage cable intrusion detection system of characteristic similarity detection described in embodiment 1;
Fig. 3 is a kind of structural representation with the detector of the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 1;
Fig. 4 is a kind of structural representation with the microprocessor of the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 2;
Fig. 5 is a kind of structural representation with detector in the leakage cable intrusion detection system of characteristic similarity detection described in embodiment 2;
Fig. 6 is a kind of structural representation with the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 2
Fig. 7 is a kind of structural representation with the leaky cable of the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 3;
Fig. 8 is a kind of using state reference diagram with the leaky cable of the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 3;
Fig. 9 is a kind of structural representation with the detector of the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 4;
Figure 10 is a kind of using state reference diagram with the detector of the leakage cable intrusion detection system that characteristic similarity detects described in embodiment 4.
Wherein: 1, detector; 2, leaky cable; 201, cable splice; 202, the sub-cable of non-leakage; 203, sub-cable is leaked; 204, terminator; 205, leak; 206, cable connection tube; 3, microprocessor; 301, information acquisition unit; 302, characteristic information threshold series storage unit; 303, processing unit; 304, alarm unit; 305, communication unit; 306, display unit; 4, radio wave transmission module; 5, signal receiving module; 6, terminal server; 7, serial communication interface; 8, emission port; 9, receiving port; 10, transmission conduit; 11, well heater; 12, temperature controller; 13, power module; 14, shell; 15, electromagnetic lock.
Embodiment
Below in conjunction with accompanying drawing and following examples, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, the utility model example 1 provides a kind of leaky cable 2 intruder detection system having characteristic similarity and detect, two leaky cables 2 comprising detector 1 and be connected with described detector 1, be provided with microprocessor 3, radio wave transmission module 4, signal receiving module 5 in described detector 1, described radio wave transmission module 4 is all connected with described microprocessor 3 with described signal receiving module 5; Described radio wave transmission module 4 is connected with a wherein leaky cable 2, and described signal receiving module 5 is connected with another leaky cable 2; The central processing unit that the microprocessor 3 that the utility model uses is made up of a slice or several large scale integrated circuits, these circuit have the function that can perform control circuit and arithmetic logical unti, instruction fetch can be completed, perform instruction, and with the operations such as extraneous storer or peripheral circuit chip exchange information, described radio wave transmission module 4 and described signal receiving module 5 are the peripheral chip of circuit, transmitting or Received signal strength effect can be completed, and can by Signal transmissions to described microprocessor 3; Described radio wave transmission module 4 is connected with a wherein leaky cable 2, described signal receiving module 5 is connected with another leaky cable 2, described microprocessor 3 receives the disturbance fluctuation signal of described signal receiving module 5 transmission, and to disturbance fluctuation signal transacting morphogenesis characters information sequence; Article two, leaky cable 2 parallel laid is about 10cm place in underground, wherein a leaky cable 2 is connected with described radio wave transmission module 4, another leaky cable 2 is connected with described signal receiving module 5, an electromagnetic field is just defined like this in the region of laying leaky cable 2, when there is invader and swarming into, electromagnetic field is interfered, the disturbance fluctuation signal that the described signal receiving module 5 that namely described microprocessor 3 can receive transmits, forms intrusion target characteristic information sequence after this microprocessor 3 pairs of disturbance fluctuation signal transacting.
As shown in Figures 2 and 3, described microprocessor 3 comprises information acquisition unit 301, characteristic information threshold series storage unit 302, processing unit 303 and alarm unit 304, and described information acquisition unit 301, described characteristic information threshold series storage unit 302, described alarm unit 304 are all connected with described processing unit 303, described information acquisition unit 301 is similar to information acquisition device, described characteristic information threshold series storage unit 302 is similar to the storer storing standard target characteristic threshold value sequence, described processing unit 303 is similar to processor, in this technical scheme, the output terminal of described information acquisition unit 301, the output terminal of described characteristic information threshold series storage unit 302 is all connected with the input end of described processing unit 303, the output terminal of described processing unit 303 is connected with described alarm unit 304, alarm unit 304 mentioned here can be reported to the police by following three kinds of forms: first, sent by the alarm relay interface be arranged on described detector 1, the second, reported to the police by voice guard, 3rd, transfer to host computer by serial communication interface 7 and report to the police.
Characteristic information threshold series sample is stored in described characteristic information threshold series storage unit 302; Described information acquisition unit 301 is for receiving the disturbance fluctuation signal of described signal receiving module 5 transmission, and disturbance fluctuation signal is sent to described processing unit 303, described processing unit 303 is by disturbance fluctuation signal transacting morphogenesis characters information sequence, characteristic information threshold series sample in described characteristic information sequence and described characteristic information threshold series storage unit 302 is carried out similarity check processing, and described processing unit 303 judges whether to generate warning message according to similarity simultaneously; Described alarm unit 304 receives the warning message of described processing unit 303 and reports to the police.
This leaky cable 2 intruder detection system is when specifically using, first, two leaky cables 2 are connected with the radio wave transmission module 4 of detector 1, signal receiving module 5 respectively, and two leaky cable 2 parallel laid are about 10cm place in underground, now just define an electromagnetic field in the region of laying leaky cable 2, secondly, when there is invader and swarming into, electromagnetic field is interfered, cause signal intensity, the disturbance fluctuation signal that the described signal receiving module 5 that namely described microprocessor 3 can receive transmits, described signal receiving module 5 pairs of disturbance fluctuation signals amplify, automatic growth control, coherent demodulation, import into after filtering process to information acquisition unit 301, disturbance fluctuation signal imports into processing unit 303 by information acquisition unit 301, disturbance fluctuation signal transacting is formed intrusion target characteristic information sequence by processing unit 303, simultaneously, processing unit 303 transfers the standard feature information threshold sequence stored in characteristic information threshold series storage unit 302, and carry out the process of contrast similarity with the described intrusion target characteristic information sequence received, if similarity is greater than threshold value, then generate warning message at once, and control alarm unit 304 and report to the police, the standard feature information threshold sequence stored in characteristic information threshold series storage unit 302 is through the matching of mass data and draw represent the characteristic sequence that a kind of human body swarms into.This similarity contrast process can realize swarming in region when meeting human body, and alarm unit 304 just sends warning, for non-metallic body or non-human, because the characteristic sequence generated the undesired signal of electromagnetic field does not reach level threshold value, therefore can not produce warning.
This detection system not only structure is simple, and effectively can distinguish intrusion target and determine intrusion target position, reduces the rate of false alarm of detector 1 warning device, alleviates the working strength of personnel on duty, effectively improve the practicality of detector 1.
Embodiment 2
As Figure 4-Figure 6, the present embodiment 2 provides a kind of leaky cable 2 intruder detection system having characteristic similarity and detect, and this embodiment 2 further defines the structure of described detection system on the basis of embodiment 1, improves the multifunctionality of detection system.
As illustrated in figures 4-5, in order to the fluctuation signal that produces intrusion target or warning message sequence store, further define this detection system in the technical program and also comprise the terminal server 6 be connected with the communication of described detector 1; Described microprocessor 3 also comprises the communication unit 305 be connected with described processing unit 303, and described communication unit 305 is connected with described terminal server 6 by the serial communication interface 7 be arranged on described detector 1; Communication unit 305 is by serial communication interface 7 and described terminal server 6, its instruction for receiving terminal server 6 and Transfer Parameters, can by invasion record store and airborne at described terminal server 6, while also can therefore be reported to the police to described terminal server 6 by Parameter transfer.
As shown in Figure 6, in order to improve the multifunctionality of detector 1, the fluctuation signal produced by intrusion target in the technical program effectively can determine the position of invader, therefore, define in the technical program in described microprocessor 3 and be also provided with display unit 306, described display unit 306 is connected with described processing unit 303, and described display unit 306 is for the oscillogram of displaying time and disturbance fluctuation burst.Display unit 306 is not only for the oscillogram of disturbance fluctuation burst, and can show the parameter such as temperature, oscillator signal intensity, interference signal intensity in real-time time, region terrestrial reference, detector 1, and these parameters all can be recorded in characteristic information threshold series storage unit 302 simultaneously.
When specifically using, the electromagnetic coupled of the electromagnetic energy between two cables is very responsive to disturbance, when there being people to enter the detecting area of this electromagnetic field, this coupled field can be disturbed, the electromagnetic energy that reception cable is received changes, this variable quantity, rate of change and duration etc. are extracted, just by electronic circuit trigger alarm by signal transacting.In addition, in the technical program, the signal digital that cable can also be received, when without the detection of a target, a curve waveform figure can be obtained and be stored in storage chip and be presented in display unit 306, when there being people to invade, increase again multiple part and reflexed to the reflection wave receiving cable by invader, thus producing the curve waveform figure of interference, the existence of this display unit 306 effectively improves the multifunctionality of detector 1, and display unit 306 described here can be display.
Embodiment 3
As Figure 7-8; the present embodiment 3 defines a kind of leaky cable 2 intruder detection system having characteristic similarity and detect; this embodiment 3 is on the basis of embodiment 1; further define the structure of leaky cable 2; not only leaky cable 2 is protected, and the careful formation describing electromagnetic field.
As shown in Figure 7, it is emphasized that, described detector 1 side is parallel is provided with emission port 8 and receiving port 9, described radio wave transmission module 4 is connected with a wherein leaky cable 2 by described emission port 8, and described signal receiving module 5 is connected with another leaky cable 2 by described receiving port 9.Leaky cable 2 is perimeter detection sensor-based systems of a kind of hidden, generally be embedded in underground or load within the walls, therefore can not affect on-the-spot outward appearance and belong to again invisible probe field, invader is the existence cannot discovering detection system, so just cannot avoid or destruction system.Cable can around the boundary region of arbitrary shape, and not by the impact of the factor such as landform and floor flatness, its detection sensitivity not by the impact of the adverse weather conditions such as environment temperature, humidity, wind and rain flue dust, is also very good perimeter detection equipment.
As shown in Figure 7, need to further illustrate, described leaky cable 2 by cable splice 201, the sub-cable of non-leakage 202, leak sub-cable 203 and terminator 204 connects to form successively, the sub-cable 203 of described leakage is evenly provided with leak 205; Described cable splice 201 is connected with described emission port 8 or described receiving port 9, and the sub-cable of described non-leakage 202 is connected by cable connection tube 206 with the sub-cable 203 of described leakage.
The radio wave transmission module 4 of this detector 1 is shaken and launches high frequency radio wave, radiowave passes through the transmitting terminal cable splice 201 of a wherein leaky cable 2 successively, the sub-cable 202 of non-leakage, leak sub-cable 203 to transmit, finally absorbed by terminator 204, part electric wave is out absorbed by the sub-cable 203 of the leakage of an other leaky cable 2 by leak 205 internal leakage of leaking sub-cable 203, thus define electromagnetic field between two leaky cables 2, when there is invader and swarming into, electromagnetic field is interfered, cause signal intensity, device 1 can be detected detect.
As shown in Figure 8, in order to Leakage prevention cable 2 suffers artificial damage, further define this detection system and also comprise transmission conduit 10 in the technical program, the cross-under of described leaky cable 2 is in described transmission conduit 10.
Embodiment 4
As shown in figs. 9-10, the present embodiment 4 provides a kind of leaky cable 2 intruder detection system having characteristic similarity and detect, and this embodiment 4 further defines the structure of detector 1 on the basis of embodiment 1, improves the multifunctionality of detector 1.
As shown in Figure 9, in order to improve the detection accuracy of detector 1, in the technical program, define in described detector 1 temperature controller 12 being provided with well heater 11 and being connected with described well heater 11.Well heater 11 can give detector 1 and heat, thus ensure that detector 1 can use in the environment that temperature is lower, the existence of temperature controller 12 can make detector 1 remain in specific temperature range, ensure that detector 1 also can normally use in special working environment, extend the serviceable life of detector 1.
As shown in Figure 9, in order to the structure giving to mention in the utility model provides power supply, ensure that the normal use of detector 1, further define in described detector 1 and be provided with power module 13 in the technical program, described power module 13 comprises straight charging source and reserve battery.
Preferably, outside described detector 1, be provided with shell 14, the outer wall of described shell 14 is coated with moisture barrier.The existence of shell 14 is mainly used in placing detector 1 and makes moist, and plays a protective role, extends the serviceable life of detector 1.
As shown in Figure 10, the detection system provided in the technical program also has tamper function, and preferably, described shell 14 is provided with the electromagnetic lock 15 for blocking described shell 14, and described electromagnetic lock 15 is connected with described alarm unit 304.The existence of electromagnetic lock 15 effectively has tamper effect, and after invader crosses electromagnetic field, during improper dismounting electromagnetic lock 15, the alarm unit 304 be connected with electromagnetic lock 15 can produce warning, improves safety coefficient.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection domain of the present utility model.

Claims (9)

1. the leakage cable intrusion detection system that there is characteristic similarity and detect, two leaky cables (2) comprising detector (1) and be connected with described detector (1), it is characterized in that, be provided with microprocessor (3), radio wave transmission module (4), signal receiving module (5) in described detector (1), described radio wave transmission module (4) is all connected with described microprocessor (3) with described signal receiving module (5); Described radio wave transmission module (4) is connected with a wherein leaky cable (2), and described signal receiving module (5) is connected with another leaky cable (2);
Described microprocessor (3) comprises information acquisition unit (301), characteristic information threshold series storage unit (302), processing unit (303) and alarm unit (304), and described information acquisition unit (301), described characteristic information threshold series storage unit (302), described alarm unit (304) are all connected with described processing unit (303); Characteristic information threshold series sample is stored in described characteristic information threshold series storage unit (302); The disturbance fluctuation signal that described information acquisition unit (301) transmits for receiving described signal receiving module (5), and disturbance fluctuation signal is sent to described processing unit (303), described processing unit (303) is by disturbance fluctuation signal transacting morphogenesis characters information sequence, characteristic information threshold series sample in described characteristic information sequence and described characteristic information threshold series storage unit (302) is carried out similarity check processing, and described processing unit (303) judges whether to generate warning message according to similarity simultaneously; Described alarm unit (304) receives the warning message of described processing unit (303) and reports to the police.
2. have the leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 1, it is characterized in that, this detection system also comprises the terminal server (6) be connected with described detector (1) communication; Described microprocessor (3) also comprises the communication unit (305) be connected with described processing unit (303), and described communication unit (305) is connected with described terminal server (6) by the serial communication interface (7) be arranged on described detector (1);
Display unit (306) is also provided with in described microprocessor (3), described display unit (306) is connected with described processing unit (303), and described display unit (306) is for showing the oscillogram of time dependent disturbance fluctuation burst.
3. there is leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 1, it is characterized in that, described detector (1) side is parallel is provided with emission port (8) and receiving port (9), described radio wave transmission module (4) is connected with a wherein leaky cable (2) by described emission port (8), and described signal receiving module (5) is connected with another leaky cable (2) by described receiving port (9).
4. there is leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 3, it is characterized in that, described leaky cable (2) by cable splice (201), the sub-cable of non-leakage (202), leak sub-cable (203) and terminator (204) connects to form successively, the sub-cable of described leakage (203) is evenly provided with leak (205); Described cable splice (201) is connected with described emission port (8) or described receiving port (9), and the sub-cable of described non-leakage (202) is connected by cable connection tube (206) with the sub-cable of described leakage (203).
5. there is leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 4, it is characterized in that, this detection system also comprises transmission conduit (10), and described leaky cable (2) cross-under is in described transmission conduit (10).
6. there is leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 1, it is characterized in that, the temperature controller (12) being provided with well heater (11) in described detector (1) and being connected with described well heater (11).
7. there is leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 1, it is characterized in that, be provided with power module (13) in described detector (1), described power module (13) comprises straight charging source and reserve battery.
8. there is leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 1, it is characterized in that, described detector (1) outside is provided with shell (14), and the outer wall of described shell (14) is coated with moisture barrier.
9. there is leakage cable intrusion detection system that characteristic similarity detects as claimed in claim 8, it is characterized in that, described shell (14) is provided with the electromagnetic lock (15) for blocking described shell (14), and described electromagnetic lock (15) is connected with described alarm unit (304).
CN201521018391.6U 2015-12-09 2015-12-09 Leak cable invasion detection system with feature -similarity degree detects Expired - Fee Related CN205193986U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110751807A (en) * 2019-10-23 2020-02-04 智洋创新科技股份有限公司 Method for determining visual smoke foreign matter continuous alarm of power transmission line channel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110751807A (en) * 2019-10-23 2020-02-04 智洋创新科技股份有限公司 Method for determining visual smoke foreign matter continuous alarm of power transmission line channel
CN110751807B (en) * 2019-10-23 2021-09-07 智洋创新科技股份有限公司 Method for determining visual smoke foreign matter continuous alarm of power transmission line channel

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