CN213518546U

CN213518546U - Electronic fence

Info

Publication number: CN213518546U
Application number: CN202022620245.8U
Authority: CN
Inventors: 宋韵韵
Original assignee: Chongqing Hetai Information Engineering Co ltd
Current assignee: Chongqing Hetai Information Engineering Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-22
Anticipated expiration: 2030-11-12

Abstract

The utility model relates to the technical field of security monitoring, in particular to an electronic fence, which comprises a vertical rod, a chassis, telescopic woven belts, a main alarm and a sub-alarm, wherein the bottom of the vertical rod is fixedly connected with the chassis, and the inside of the vertical rod is provided with three telescopic woven belts; further comprising: the tension sensor and the control circuit are arranged, three tension sensors which are the same as the telescopic woven belts in number and are positioned at the same horizontal position are arranged on one side of each vertical rod, and the tail ends of the telescopic woven belts are connected with the tension sensors on the adjacent vertical rods; control circuit includes AND gate circuit and OR gate circuit, and two force sensor outputs that first meshbelt and third meshbelt correspond respectively and OR gate circuit's input is connected, and force sensor's that the second meshbelt corresponds output and OR gate circuit's output are connected with AND gate circuit's input respectively, and branch alarm and main alarm are connected to AND gate circuit's output, the utility model provides a current fence can't distinguish people and toy, can indifference trigger alarm device's problem.

Description

Electronic fence

Technical Field

The utility model relates to a security protection control technical field, more specifically say, relate to fence.

Background

The electronic fence system is in a community perimeter security management system, integrates the measures of alarming, protection and deterrence, and is an effective measure for preventing lawbreakers from turning over the perimeter enclosure of a community to realize security management. The system is also suitable for various essential departments and public facilities with enclosing walls. The prior art electronic fence systems are generally classified into a pulse electronic fence and a tension electronic fence.

The pulse electronic fence and the tension electronic fence can trigger alarm when any invading object touches the electronic fence, however, there is sometimes no danger of intruding objects, such as the wandering dogs and cats often appearing in a small area and staying on various branch wires, when the wandering dogs and cats touch the bottom of the electronic fence by mistake, and birds staying on the top of the electronic fence can trigger the alarm device, and the false triggering of the alarm device can also lead security personnel to drive the invaded object, which undoubtedly causes a great deal of human resource waste, and if the condition that the alarm device is triggered only by the small animal appears for a plurality of times, the enthusiasm of security personnel can be struck, the alarming speed and the alertness after alarming at each time are reduced, and when an actual invader appears, the invasion can not be driven in time.

The existing electronic fence has the following technical problems:

people and small animals cannot be distinguished, and the alarm device can be triggered without difference.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an enable to prevent that toy from triggering alarm device's fence by mistake to the technical problem that current fence exists.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

fence includes pole setting, chassis, flexible meshbelt, main alarm and branch alarm, pole setting bottom and chassis fixed connection, and three flexible meshbelts are installed in proper order from the top down to the inside of pole setting: a first mesh belt, a second mesh belt and a third mesh belt; further comprising: the device comprises tension sensors and a control circuit, wherein three tension sensors which are positioned at the same horizontal position with the telescopic woven belts are arranged on one side of a vertical rod, and the height ranges of the first woven belt, the second woven belt and the third woven belt from the ground are respectively 120cm to 150cm, 60cm to 80cm and 10cm to 30 cm; the tail end of the telescopic woven belt is connected with the tension sensor on the adjacent upright stanchion; the output end of the control circuit is electrically connected with the branch alarm and the main alarm, the control circuit comprises an AND gate circuit and an OR gate circuit, the output ends of the two tension sensors corresponding to the first mesh belt and the third mesh belt are respectively connected with the two input ends of the OR gate circuit, the output end of the tension sensor corresponding to the second mesh belt and the output end of the OR gate circuit are respectively connected with the two input ends of the AND gate circuit, and the output end of the AND gate circuit is connected with the branch alarm and the main alarm.

Has the advantages that: three telescopic woven belts are installed on the vertical rod, the height ranges of the first woven belt, the second woven belt and the third woven belt from the ground are respectively 120cm to 150cm, 60cm to 80cm and 10cm to 30cm, the limitation of the height enables an intruder to easily adopt a mode of crossing after pulling the woven belts or drilling after pulling the woven belts when trying to break in, and the two modes are easy to touch the second woven belt and another telescopic woven belt except the second woven belt; by arranging the control circuit which can trigger the alarm when receiving the signals of the second woven belt and the tension sensor of the other woven belt except the second woven belt, the situation that the alarm device is triggered by the mistake of the small animals is filtered out, for example, a wandering cat or dog can mistakenly touch the mesh belt at the bottom of the electronic fence when passing through the mesh belt at the bottom of the electronic fence, the stay of birds can mistakenly touch the mesh belt at the top of the electronic fence, the control circuit can not drive the sub-alarm and the main alarm and can not trigger the alarm when only receiving the signal of the tension sensor at the first mesh belt or the third mesh belt, while an intruder typically encounters a fence and is likely to touch at least one webbing other than the second webbing upon intrusion, the corresponding tension sensor can transmit signals to the control circuit, and the AND gate circuit in the control circuit is connected with the triggering sub-alarm and the main alarm to alarm when receiving the two signals, so that the situation that the small animals mistakenly touch the electronic fence and then trigger the alarm is prevented.

Furthermore, the telescopic woven belt is also provided with a spring buckle and a spring piece, one end of the telescopic woven belt is fixedly connected with the spring buckle, and the other end of the telescopic woven belt is fixedly connected with one end of the spring piece.

Has the advantages that: the telescopic function is realized through the spring leaf to flexible meshbelt, and the application scope of fence has been enlarged to flexible function, can adjust the distance of two adjacent pole settings and the length of flexible meshbelt according to the condition on the spot, and the snak link is convenient for be connected with tension sensor.

Further, the inside hollow mounting groove that is equipped with of pole setting, flexible meshbelt are located the mounting groove, and mounting groove bottom fixedly connected with holder, holder clamp spring leaf's one end, spring leaf are the heliciform around the holder, flexible meshbelt is around the spring leaf winding, and the pole setting is stretched out to the one end of the connecting spring of flexible meshbelt detains.

Has the advantages that: the flexible meshbelt is located inside the mounting groove and can prevent that the drenching of rainwater and debris such as gravel from influencing its flexible function, and the flexible function of flexible meshbelt is realized to holder help, and the one end connecting spring that the pole setting was stretched out to flexible meshbelt is buckled inside can preventing the whole pole setting of retracting of flexible meshbelt, can't pull out.

Furthermore, a tension sensor corresponding to the telescopic woven belt is arranged on one side of each vertical rod, the sensing end of each tension sensor is connected with a ring buckle respectively, and the ring buckles are connected with the spring buckles corresponding to the adjacent vertical rods respectively.

Has the advantages that: the tension sensor responds to the setting of end latch closure, and the flexible meshbelt of being convenient for is connected with tension sensor, and the direction of connection can not be restricted to the latch closure, and the direction that the snak link is connected with the latch closure also can rotate, must adapt to the route of turning round when laying fence better.

Furthermore, the sub-alarm adopts a warning lamp which is fixedly arranged at the top of the upright rod.

Has the advantages that: the warning lamp can warn an intruder to frighten the intruder; secondly, security personnel can see the warning lamp after giving an alarm, and can accurately arrive at the invaded position in time after giving the alarm; thirdly, the branch alarm sets up around the district outside, when having the invade to break into, can not cause too big influence to the district inside, and the warning light is less to the influence of district resident.

Furthermore, a main alarm is installed in a security guard room of the community, and the main alarm adopts an audible and visual alarm.

Has the advantages that: compare in the warning light, the indoor alarm device of district security guard needs to play effectual warning effect to the security personnel, and audible-visual annunciator can warn the appearance of intruder simultaneously with visual signal and audible signal, improves the warning nature to the security personnel, prevents that a certain warning signal is ignored alone, guarantees that the security personnel can in time acquire the signal that has the intruder to invade, is convenient for in time drive.

Furthermore, the surface of the telescopic braid is covered with a reflective material.

Has the advantages that: reflecting material can utilize the reflection of shining and light of lamp and turn on according to contrary reflective principle, if the intruder triggers the alarm at night, the light of warning light can be lighted near the position of invasion point by the reflecting material reflection on flexible meshbelt surface, can improve the frightening effect to the intruder, also is favorable to security personnel to go out discovery intruder when police at night.

Furthermore, the chassis is provided with three mounting through holes.

Has the advantages that: the installation through hole is convenient for the installation of pole setting fixed.

Drawings

Fig. 1 is an external view of the electronic fence of the present invention;

fig. 2 is a cross-sectional view of the stem of fig. 1.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the alarm comprises a sub-alarm 1, a telescopic woven belt 2, a vertical rod 3, a chassis 4, a spring buckle 5, a tension sensor 6, a ring buckle 7 and a clamping piece 8.

As shown in fig. 1 and 2, the electronic fence includes a vertical rod 3, a chassis 4, a telescopic webbing 2 and a sub-alarm 1, wherein the bottom of the vertical rod 3 is welded with the chassis 4, and the chassis 4 is provided with three mounting through holes for facilitating the mounting and fixing of the vertical rod 3. A hollow mounting groove is dug in the upright stanchion 3, the telescopic braid 2 is positioned in the mounting groove, and a clamping piece 8 is bonded at the bottom of the mounting groove; the telescopic woven belt 2 is further provided with a spring buckle 5 and a spring piece, one end of the telescopic woven belt 2 is bonded with the spring buckle 5, the other end of the telescopic woven belt 2 is bonded with one end of the spring piece, and the other end of the spring piece is clamped and fixed by a clamping piece 8. The clamp 8 clamps one end of a spring strip which is wrapped around the clamp 8 and the telescopic webbing 2 is wrapped around the spring strip. The pole setting 3 is stretched out to the one end of connecting spring fastener 5 of flexible meshbelt 2, and the inside surplus flexible meshbelt 2 of pole setting 3 can be pulled out and is connected with the latch closure 7 of the pulling force sensor 6 response end on the adjacent pole setting 3.

The device also comprises a tension sensor 6 and a control circuit, wherein three telescopic woven belts 2 are arranged on the vertical rod 3, the heights of the telescopic woven belts are 120cm, 60cm and 20cm from the ground respectively, and the telescopic woven belts 2 extend out of one side of the vertical rod 3; the other side of the upright stanchion 3 is provided with three tension sensors 6 corresponding to the telescopic woven belts 2, the tension sensors 6 are respectively positioned at the same horizontal position with the corresponding telescopic woven belts 2, the surfaces of the telescopic woven belts 2 are covered with reflective materials, the sensing ends of the tension sensors 6 are respectively connected with a buckle 7, and the buckles 7 are respectively connected with the spring buckles 5 corresponding to the adjacent upright stanchions 3; the tension sensor 6 is electrically connected with a control circuit, the output end of the control circuit is electrically connected with the sub-alarm 1 and the main alarm, the control circuit comprises an AND gate circuit and an OR gate circuit, the OR gate circuit comprises a first diode VDA and a first diode VDB and comprises an input end A, B, and the AND gate circuit comprises a second diode VDA and a second diode VDB and comprises input ends a and b.

The output ends of the two tension sensors 6 corresponding to the first mesh belt and the third mesh belt are respectively connected with two input ends A, B of an OR gate circuit, the output end of the tension sensor 6 corresponding to the second mesh belt and the output end of the OR gate circuit are respectively connected with two input ends a and b of an AND gate circuit, and the output end of the AND gate circuit is connected with the sub-alarm 1 and the main alarm.

The sub-alarm 1 adopts a warning lamp which is fixedly arranged at the top of the upright stanchion 3, the main alarm is arranged in a security guard room of a community, and the main alarm adopts an audible and visual alarm.

When the intelligent anti-theft alarm is used specifically, an intruder pulls or touches the second braid and any telescopic braid 2 except the second braid during intrusion, the tension sensor 6 connected with the telescopic braid 2 can transmit a signal to the control circuit, the control circuit is switched on and then triggers the sub-alarm 1 and the main alarm, the warning lamp of the sub-alarm 1 is lighted, the audible and visual alarm of the main alarm is driven, and security personnel can warn to drive the intruder; if the toy passes by and touches flexible meshbelt 2, because the size reason of toy, generally can only touch the third meshbelt of bottom, can not trigger the warning this moment, daily birds stop at the first meshbelt at top, also can not trigger the warning.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Fence, including pole setting, chassis, flexible meshbelt, main alarm and branch alarm, pole setting bottom and chassis fixed connection, three flexible meshbelts are installed in proper order from the top down to the inside of pole setting: a first mesh belt, a second mesh belt and a third mesh belt; it is characterized by also comprising: the device comprises tension sensors and a control circuit, wherein three tension sensors which are positioned at the same horizontal position with the telescopic woven belts are arranged on one side of a vertical rod, and the height ranges of the first woven belt, the second woven belt and the third woven belt from the ground are respectively 120cm to 150cm, 60cm to 80cm and 10cm to 30 cm; the tail end of the telescopic woven belt is connected with the tension sensor on the adjacent upright stanchion; the output end of the control circuit is electrically connected with the branch alarm and the main alarm, the control circuit comprises an AND gate circuit and an OR gate circuit, the output ends of the two tension sensors corresponding to the first mesh belt and the third mesh belt are respectively connected with the two input ends of the OR gate circuit, the output end of the tension sensor corresponding to the second mesh belt and the output end of the OR gate circuit are respectively connected with the two input ends of the AND gate circuit, and the output end of the AND gate circuit is connected with the branch alarm and the main alarm.

2. An electronic fence as defined in claim 1, wherein: the telescopic woven belt is also provided with a spring buckle and a spring piece, one end of the telescopic woven belt is fixedly connected with the spring buckle, and the other end of the telescopic woven belt is fixedly connected with one end of the spring piece.

3. An electronic fence as defined in claim 2, wherein: the pole setting is inside to be equipped with hollow mounting groove, and flexible meshbelt is located the mounting groove, and mounting groove bottom fixedly connected with holder, holder clamp spring leaf's one end, and the spring leaf is the heliciform around the holder, and flexible meshbelt winds around the spring leaf, and the pole setting is stretched out to the one end of the connecting spring of flexible meshbelt detains.

4. An electronic fence as defined in claim 2, wherein: a tension sensor corresponding to the telescopic woven belt is arranged on one side of each vertical rod, the sensing end of each tension sensor is connected with a buckle respectively, and the buckles are connected with the spring buckles corresponding to the adjacent vertical rods respectively.

5. An electronic fence as defined in claim 1, wherein: the sub-alarm adopts a warning lamp which is fixedly arranged at the top of the upright stanchion.

6. An electronic fence as defined in claim 1, wherein: the main alarm is arranged in a security guard room of a community, and the main alarm adopts an audible and visual alarm.

7. An electronic fence as defined in claim 1, wherein: the surface of the telescopic woven belt is covered with a reflective material.

8. An electronic fence as defined in claim 1, wherein: the chassis is provided with three mounting through holes.