Anti-interference electronic fence

Abstract

The utility model provides an anti-interference electronic fence which comprises unit fences forming the fence, infrared monitoring devices and alarms are arranged on the unit fences, each unit fence comprises a base, two vertical pipes, sliding blocks and a synchronous control set, the two vertical pipes are vertically arranged at the two ends of the base, and the sliding blocks are arranged on the base. A sliding block capable of sliding up and down is arranged in each vertical pipe, the infrared monitoring device comprises an infrared transmitting unit and an infrared receiving unit, the infrared transmitting unit is arranged on one side of the sliding block in one vertical pipe, the infrared receiving unit is arranged on one side of the sliding block in the other vertical pipe, and the infrared receiving unit is arranged on the other side of the sliding block in the other vertical pipe. And the infrared receiving units are opposite to each other. The sliding blocks with the synchronous lifting effect are arranged in the two vertical pipes, and then the infrared monitoring devices capable of triggering the alarm are installed on the sliding blocks on the two vertical pipes, so that the unit fence has the dynamic detection function, and compared with the prior art, the unit fence has the advantage of being higher in external interference resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic fence technical field, specifically for an anti -interference electronic fence. BACKGROUND

[0002] The current electronic fence adopts two infrared devices of one receiving and one transmitting, the device of emitting infrared ray sends infrared ray to the device of receiving infrared ray, when the two infrared devices of one receiving and one transmitting are blocked, the device of receiving infrared ray cannot receive the infrared ray emitted by the device of emitting infrared ray, the device of receiving infrared ray alarms when cannot receive infrared ray. The structure of electronic fence is relatively simple, and the production and installation are convenient. Electronic fence is often used in parking lot, fence, etc., and then the electronic fence is controlled by remote monitoring.

[0003] The utility model with publication number CN207337591U proposes an electronic fence system, including fixed rod, be equipped with sliding guide rail on fixed rod, be equipped with emission unit on sliding guide rail, be equipped with receiving unit on the sliding guide rail of the other side of emission unit, be equipped with control unit on fixed rod;Drive module, be equipped between emission unit and receiving unit and sliding guide rail;Steering module, be equipped between emission head and receiving head;Emission unit emits photoelectric detection signal to receiving unit, sends signal to control unit after receiving unit receives photoelectric detection signal, emission unit and receiving unit slide on sliding guide rail, and steering module makes emission unit and receiving unit mutually align, and the line monitoring of electronic fence becomes face monitoring, and the penetration of line monitoring is stronger than the face detection of camera, and has good monitoring capacity in rainy day or weather visibility is extremely low, and the face monitoring formed by line monitoring can monitor the unexpected failure, and improves the identification accuracy of electronic fence.

[0004] However, the above prior art still has the following deficiencies in use: the emission unit and the receiving unit are in an irregular up-down motion state, in order to ensure that the photoelectric signal emitted by the emission unit can be received by the receiving unit, a directional elastic rope is connected between the emission unit and the receiving unit, so that the emission unit and the receiving unit can always be in an accurate photoelectric signal transmission state when moving up and down. However, the external environment can easily affect the reception of the photoelectric signal, for example, when the directional elastic rope is bent and deformed in windy and rainy weather, the receiving unit cannot receive the photoelectric signal emitted by the emission unit, and thus the anti-interference ability is insufficient.

[0005] Therefore, the utility model provides an anti-interference electronic fence. Utility model content

[0006] The utility model aims at solving the problems in the prior art and provides an anti-interference electronic fence which has the advantages of stronger anti-external physical interference capability, simple structure and low manufacturing cost.

[0007] In order to realize the above-mentioned purpose, the utility model is through the following technical scheme to realize: an anti-interference electronic fence, including the unit fence of constituting the fence, infrared monitoring devices and alarm are provided on the unit fence, the unit fence includes base, riser, sliding block and synchronous control group, the number of riser is two and is vertically arranged at both ends of base, the riser is provided with the sliding block that slides up and down, the infrared monitoring devices include infrared emission unit and infrared receiving unit, one side of the sliding block in one riser is provided with infrared emission unit, one side of the sliding block in another riser is provided with infrared receiving unit, the infrared receiving unit and infrared receiving unit are opposite, the synchronous control group is arranged in base and is used for controlling the synchronous lifting of the sliding block in two risers.

[0008] Further, the opposite side walls of the two risers on the base are provided with a window, and the middle part of the top of the riser is fixedly connected with a guide shaft penetrating the middle part of the sliding block.

[0009] Further, the window is provided with a protective glass, and one side of the riser is fixedly connected with a rain cover outside the protective glass.

[0010] Further, the synchronous control group includes a traction rope, a supporting spring and a synchronous driving part, the supporting spring is sleeved outside the guide shaft and abuts against the bottom of the top sliding block, the base is a hollow structure and is provided with the synchronous driving part inside, the bottoms of the sliding blocks in the two risers are fixedly connected with the traction rope, and one end of the traction rope is connected with the synchronous driving part.

[0011] Further, the synchronous driving part includes a bidirectional screw rod, a left screw sleeve, a right screw sleeve and a control motor, the bidirectional screw rod is rotatably connected in the base, the right screw sleeve and the left screw sleeve are sleeved on the bidirectional screw rod and are fixedly connected with the corresponding traction ropes of the two risers, the right screw sleeve and the left screw sleeve are slidably connected with the inner wall of the base, and the control motor is fixedly arranged in the base and is fixedly connected with one end of the bidirectional screw rod through the output shaft.

[0012] Further, the base is provided with a reversing wheel close to the riser and used for supporting the traction rope.

[0013] Further, the two ends of the bottom of the base are fixedly connected with mounting seats.

[0014] The utility model has the advantages of the following:

[0015] 1. The utility model discloses a synchronous lifting effect slider is arranged in two vertical pipes, and then the infrared monitoring device that can trigger the alarm is installed on the slider on two vertical pipes, so that the unit column has the function of dynamic detection, and compared with prior art, has the advantage that the anti -interference performance is higher.

[0016] 2. The utility model discloses a synchronous drive part that is located in the base, and the synchronous drive part is formed by bidirectional screw rod, left silk cover, right silk cover and control motor, through the control bidirectional screw rod rotation, then cooperate the traction rope and spring in two vertical pipes, make the slider in two vertical pipes more stable and reliable, has the advantages of simple structure, low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural diagram of an anti -interference electronic fence of the utility model;

[0018] Figure 2 It is Figure 1 It is the main view after removing base and vertical pipe;

[0019] Figure 3 It is the schematic diagram after the protection glass and vertical pipe of the utility model of an anti -interference electronic fence are exploded.

[0020] In the drawing: 1, unit column;11, base;112, mounting seat;12, vertical pipe;121, guide shaft;122, let -go window;13, slider;14, synchronous control group;141, traction rope;142, support spring;143, synchronous drive part;1431, bidirectional screw rod;1432, left silk cover;1433, right silk cover;1434, control motor;2, infrared monitoring device;21, infrared transmitting unit;22, infrared receiving unit;3, alarm;4, protection glass;5, rain cover;6, reversing wheel. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to Figures 1 to 3The utility model provides a technical scheme: an anti -interference electronic fence, including the unit fence 1 of constituting the fence, is provided with infrared monitoring device 2 and siren 3 on unit fence 1, and unit fence 1 includes base 11, riser 12, sliding block 13 and synchronous control group 14, base 11 plays the role of supporting this unit fence 1, and the both ends of the bottom of base 11 are fixedly connected with mounting seat 112, and mounting seat 112 is installed on the mounting surface through bolt in use, and the quantity of riser 12 is two and is vertically arranged at both ends of base 11, and riser 12 is provided with sliding block 13 that slides up and down, infrared monitoring device 2 includes infrared transmitting unit 21 and infrared receiving unit 22, and the emission lamp on infrared transmitting unit 21 emits infrared light, when infrared receiving unit 22 receives the above-mentioned infrared light, siren 3 is in the state of not triggering, otherwise siren 3 will trigger alarm and emit sound, and in specific implementation, one side of sliding block 13 in one of riser 12 is provided with infrared transmitting unit 21, and one side of sliding block 13 in the other riser 12 is provided with infrared receiving unit 22, and infrared receiving unit 22 and infrared receiving unit 22 are opposite, and the opposite here refers to the opposite of the light emitting surface of infrared receiving unit 22 and the light receiving surface on infrared receiving unit 22, wherein, siren 3 can be fixedly installed at the top of one of riser 12.

[0023] Wherein, the opposite side walls on the two risers 12 on base 11 are provided with let -go window 122, let -go window 122 is the passing port of infrared transmitting unit 21 and infrared receiving unit 22, and the middle part of the top of riser 12 is fixedly connected with the guide shaft 121 that penetrates the middle part of sliding block 13.Sliding block 13 slides along the guide shaft 121 when sliding up and down.

[0024] Further, let -go window 122 is provided with protective glass 4, and the protective glass 4 plays the role of preventing dust and sundries from entering the riser 12, and one side of the riser 12 is fixedly connected with the rain cover 5 located outside the protective glass 4, and the rain cover 5 is a groove cover structure, which prevents rain from affecting the transmission and reception of light.

[0025] Synchronous control group 14 is arranged in base 11 and is used for controlling the synchronous lifting of sliding block 13 in two risers 12, and synchronous control group 14 is in hidden state, and sliding block 13 and infrared monitoring device 2 are also in hidden state, and this kind of setting can greatly improve the physical protection ability of unit fence 1, and further improve the anti -interference ability of infrared monitoring device 2.

[0026] Specifically, the synchronous control group 14 comprises a traction rope 141, a supporting spring 142 and a synchronous driving part 143, the supporting spring 142 is sleeved outside the guide shaft 121 and the bottom of the top slider 13 abuts against, the supporting spring 142 applies an upward elastic thrust to the slider 13, the base 11 is a hollow structure and the synchronous driving part 143 is arranged in the base 11, the bottom of the slider 13 in the two vertical pipes 12 is fixedly connected with the traction rope 141, one end of the traction rope 141 is connected with the synchronous driving part 143, and in specific implementation, a through hole is arranged in the top of the base 11 and communicates with the vertical pipe 12, the traction rope 141 passes through the through hole and is connected with the synchronous driving part 143, and the synchronous driving part 143 controls the synchronous lifting and lowering of the sliders 13 in the two vertical pipes 12 through the traction rope 141.

[0027] Further, the synchronous driving part 143 comprises a bidirectional screw rod 1431, a left screw sleeve 1432, a right screw sleeve 1433 and a control motor 1434, the bidirectional screw rod 1431 is rotationally connected in the base 11, the right screw sleeve 1433 and the left screw sleeve 1432 are sleeved on the bidirectional screw rod 1431 and are fixedly connected with the traction ropes 141 corresponding to the two vertical pipes 12 respectively, the right screw sleeve 1433 and the left screw sleeve 1432 are slidably connected with the inner wall of the base 11, the threads in the right screw sleeve 1433 and the left screw sleeve 1432 are opposite in rotation direction, the bidirectional screw rod 1431 can drive the right screw sleeve 1433 and the left screw sleeve 1432 to move synchronously and oppositely or reversely when the bidirectional screw rod 1431 rotates, the traction ropes 141 led out from the two vertical pipes 12 are fixedly connected with the away ends of the right screw sleeve 1433 and the left screw sleeve 1432 respectively, and the control motor 1434 is fixedly arranged in the base 11 and its output shaft is fixedly connected with one end of the bidirectional screw rod 1431, and the control motor 1434 provides driving force for the rotation of the bidirectional screw rod 1431.

[0028] Wherein, the base 11 is provided with a reversing wheel 6 close to the vertical pipe 12 and used for supporting the traction rope 141, and the reversing wheel 6 plays a role of guiding the traction rope 141 to reduce friction.

[0029] Working principle: taking the installation of the unit fence 1 on the top of a wall as an example, a plurality of unit fences 1 are continuously installed on the top of the wall, and then the control motor 1434, the infrared monitoring device 2 and the alarm 3 on the unit fence 1 are electrically connected with an external control cabinet, a programmable controller is installed in the control cabinet, and the angular velocity of the motor 1434 is controlled through the programmable controller. When the electronic fence is started, the bidirectional screw rod 1431 rotates, drives the left screw sleeve 1432 and the right screw sleeve 1433 to move axially, and under the traction of the traction rope 141, the sliders 13 in the two vertical pipes 12 are synchronously lifted and lowered, the infrared receiving unit 22 receives the light emitted by the infrared emitting unit 21, and when the light is blocked, the infrared receiving unit 22 cannot receive the light, and the alarm 3 triggers an alarm. The continuous change of the height of the infrared monitoring device 2 makes the monitoring range increase.

[0030] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An anti-interference electronic fence comprising unit fences (1) constituting the fence, said unit fences (1) being provided with infrared monitoring devices (2) and alarms (3), characterized in that, The unit column (1) comprises a base (11), two vertical pipes (12) vertically arranged at two ends of the base (11), sliders (13) sliding up and down in the vertical pipes (12), an infrared monitoring device (2) comprising an infrared emitting unit (21) and an infrared receiving unit (22), one of the sliders (13) in one of the vertical pipes (12) is provided with the infrared emitting unit (21), one of the sliders (13) in the other vertical pipe (12) is provided with the infrared receiving unit (22), the infrared receiving unit (22) and the infrared receiving unit (22) are opposite, and a synchronous control group (14) is arranged in the base (11) and used for controlling the sliders (13) in the two vertical pipes (12) to synchronously ascend and descend.

2. An anti-tamper electronic fence according to claim 1, wherein: Opposite side walls of the two vertical pipes (12) on the base (11) are provided with letting window (122), and the top of the vertical pipe (12) is fixedly connected with a guide shaft (121) penetrating the middle of the slider (13).

3. An anti-tamper electronic fence according to claim 2, wherein: The letting window (122) is provided with a protective glass (4), and one side of the vertical pipe (12) is fixedly connected with a rain cover (5) located outside the protective glass (4).

4. An anti-tamper electronic fence according to claim 2, wherein: The synchronous control group (14) comprises a traction rope (141), a supporting spring (142) and a synchronous driving part (143), the supporting spring (142) is sleeved outside the guide shaft (121) and abuts against the bottom of the top slider (13), the base (11) is a hollow structure and is provided with the synchronous driving part (143) inside, the bottom of the slider (13) in each of the two vertical pipes (12) is fixedly connected with the traction rope (141), and one end of the traction rope (141) is connected with the synchronous driving part (143).

5. An anti-tamper electronic fence according to claim 4, wherein: The synchronous driving part (143) comprises a bidirectional screw rod (1431), a left screw sleeve (1432), a right screw sleeve (1433) and a control motor (1434), the bidirectional screw rod (1431) is rotationally connected in the base (11), the right screw sleeve (1433) and the left screw sleeve (1432) are sleeved on the bidirectional screw rod (1431) and are fixedly connected with the corresponding traction ropes (141) of the two vertical pipes (12), the right screw sleeve (1433) and the left screw sleeve (1432) are slidingly connected with the inner wall of the base (11), and the control motor (1434) is fixedly arranged in the base (11) and is fixedly connected with one end of the bidirectional screw rod (1431) through an output shaft.

6. An anti-tamper electronic fence according to claim 5 wherein: The base (11) is provided with a reversing wheel (6) close to the vertical pipe (12) and used for supporting the traction rope (141).

7. The anti-tamper electronic fence of claim 1, wherein: Both ends of the bottom of the base (11) are fixedly connected with mounting seats (112).

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