An electronic fence alarm device based on high voltage electric field potential change

Abstract

The utility model discloses an electronic fence alarm device based on the change of high-voltage electric field potential, comprising a main pole, a siren connected to the top of the main pole, the main pole installed on a fence, an insulator connected to the side of the main pole, and an electric connection connected to the side of the insulator; the electronic fence alarm device based on the change of high-voltage electric field potential can improve the wind and earthquake resistance of the electronic fence alarm device during installation by supporting the main pole, and can also improve the stability of the alarm device, thereby reducing the probability of device damage in disguise and increasing the service life; the length of the main pole can be extended after the external connecting rod is positioned, thereby improving the convenience of using the main pole, so that the height of the electronic fence alarm device can be adjusted as needed; through the friction of the material of the friction pad, the external connecting rod will not slide with the second sliding groove under the action of its own gravity when not subject to external force, thereby improving the convenience of operating the extension mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage electric fields, in particular to an electronic fence alarm device based on potential changes of high-voltage electric fields. Background Art

[0002] A high-voltage electric field refers to an electric field formed when electric charges are subjected to a higher voltage. In order to prevent animals or people from accidentally entering a high-voltage electric field, an electronic fence is used to enclose the area to block people or animals. In order to improve safety, an alarm device is also installed on the fence. The electronic fence alarm device usually uses electronic pulse induction technology. When an object contacts the electronic fence, the potential in the electric field will change, which in turn affects the propagation of the electronic pulse and the characteristics of the return signal, thereby triggering the alarm device.

[0003] In the prior art, a Chinese patent with the authorization announcement number CN215954441U discloses an alarm device for an electronic fence, which belongs to the field of high-voltage electric fields. Its technical points include a plurality of railing posts, a sliding block that can move up and down is arranged on one side of the outer surface of the plurality of railing posts, a railing is arranged between each of the plurality of sliding blocks, a clamp is rotatably connected to the outside of the plurality of railing posts, and a sensor component that can rotate up and down is arranged on one side of the outside of the plurality of clamps. The advantages of the utility model are: the clamp is rotatably connected to the outside of the railing post, and a mounting groove plate is rotatably connected to one end of the outside of the clamp, wherein a sensor component is arranged inside the mounting groove plate, and a ball head column is threadedly connected to the top surface of the railing post, and a monitoring camera component is rotatably connected to the top of the ball head column. When in use, it is convenient for users to adjust the position of the sensor and the monitoring component, meeting the needs of actual use, and the structure is reasonable, which is convenient for users to use.

[0004] At present, most electronic fence alarm devices on the market still have certain deficiencies when used. As shown in the above-mentioned document, the top of the ball head column of the device is rotatably connected to a monitoring camera component. When in use, it is convenient for users to adjust the position of sensors and monitoring components to meet the needs of actual use. However, the device is prone to swinging when encountering strong winds. When it is purely supported by a pole, the swing is large, which can easily cause damage to the device. Secondly, the device is not convenient to extend and adjust according to the fence and usage scenario. There are certain deficiencies in use and improvements are needed. Utility Model Content

[0005] The purpose of the utility model is to provide an electronic fence alarm device based on the change of high-voltage electric field potential, so as to solve the problems in the above-mentioned background technology that the support strength of the alarm device is not high and the device is not convenient to extend and adjust according to the needs of the site.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electronic fence alarm device based on the potential change of a high-voltage electric field, comprising a main pole, a siren connected to the top of the main pole, the main pole installed on the fence, an insulator connected to the side of the main pole, and an electrical connection connected to the side of the insulator;

[0007] The side surface of the main rod is symmetrically provided with a first movable groove, and an auxiliary support mechanism for improving the supporting strength of the alarm device is arranged inside the first movable groove, and the auxiliary support mechanism includes a first sliding groove, and the first sliding groove is provided on the side surface of the first movable groove, and a movable block slides inside the first movable groove, and a threaded rod slides through the movable block, the first sliding groove and the first movable groove, and a limiting groove is fixed on the left end of the threaded rod, and the limiting groove slides inside the first sliding groove, and a nut is threadedly connected to the surface of the threaded rod, and a rotating groove is provided at the bottom of the movable block, and a supporting leg is rotatably connected inside the rotating groove;

[0008] A second sliding groove is provided on the top of the main rod, and an extension mechanism for increasing the length of the main rod is arranged inside the second sliding groove.

[0009] Furthermore, the movable block is slidably connected to the first movable groove, the threaded rod is threadedly connected to the nut, and the rotating groove is rotatably connected to the supporting leg.

[0010] Furthermore, the extension mechanism includes an external connecting rod, the external connecting rod penetrates and slides inside the second sliding groove, a second movable groove is opened on the side of the main rod, and a through hole is opened inside the second movable groove.

[0011] Furthermore, an iron ring is slidably disposed inside the second movable groove, magnetic rings are embedded in the upper and lower bottoms of the second movable groove, and a rotating block is rotatably connected inside the through hole.

[0012] Furthermore, a clamping groove is provided on the right side of the external connecting rod, and a plurality of the clamping grooves are provided. The rotating block and the clamping groove form a clamping structure, and the rotating block and the through hole form a rotating connection.

[0013] Furthermore, a limiting mechanism for improving the stability of the extension mechanism is also arranged on the side of the external connecting rod, and the limiting mechanism includes a guide groove, and the guide groove is opened on the left side of the external connecting rod.

[0014] Furthermore, a guide block slides through the guide groove, the guide block is fixed in the second sliding groove, and friction pads are symmetrically connected to the sides of the guide block, and the friction pads are fittedly connected to the guide groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The electronic fence alarm device based on the change of high-voltage electric field potential can improve the wind and earthquake resistance of the electronic fence alarm device during installation by supporting the main pole, and can also improve the stability of the alarm device, thereby reducing the probability of device damage and increasing the service life. After the external pole is positioned, the length of the main pole can be extended, which improves the convenience of using the main pole, so that the height of the electronic fence alarm device can be adjusted as needed. The friction of the material of the friction pad can prevent the external pole from sliding with the second sliding groove under the action of its own gravity when it is not subject to external force, thereby improving the convenience of operation of the extension mechanism;

[0017] 2. A limit groove is provided, through which the movable block can be driven to move, to prevent the movable block from tilting and escaping from the first movable groove, making the operation more convenient;

[0018] 3. A rotation slot and a support leg are provided, and the support leg rotates through the rotation slot. The support leg rotates to the inclined surface of the rotation slot to perform extrusion and limit, thereby realizing the support positioning of the support leg and improving the support stability of the support leg;

[0019] 4. A magnetic ring is provided, through which the position of the iron ring can be positioned to prevent the iron ring from moving randomly inside the second movable groove, thereby improving the convenience of operation of the extension mechanism;

[0020] 5. A friction pad is provided, and the position of the external rod can be limited by squeezing the friction pad, which can prevent the external rod from moving inside the second sliding groove due to its own gravity, thereby improving the convenience of structural operation of the alarm device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall front-view three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the main rod of the utility model;

[0023] Figure 3 For this utility model Figure 2 The enlarged three-dimensional structure diagram of the middle A part;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the external connecting rod of the utility model;

[0025] Figure 5 For this utility model Figure 4 The enlarged three-dimensional structure diagram of the middle B part;

[0026] Figure 6 For this utility model Figure 4 The enlarged three-dimensional structure diagram of the middle C part;

[0027] Figure 7It is a schematic diagram of the enlarged three-dimensional structure of the iron ring of the utility model.

[0028] In the figure: 1. main rod; 2. alarm; 3. insulator; 4. electrical connection; 101. first movable groove; 102. first sliding groove; 103. movable block; 104. threaded rod; 105. limit groove; 106. nut; 107. rotating groove; 108. supporting leg; 109. second sliding groove; 110. external rod; 111. second movable groove; 112. through hole; 113. iron ring; 114. magnetic ring; 115. rotating block; 116. engaging groove; 117. guide groove; 118. guide block; 119. friction pad. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] like Figure 1-Figure 3 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the support strength of the alarm device is not high and it is easy to bend and be damaged in windy weather, an auxiliary support mechanism is disclosed:

[0032] The main pole 1 comprises a main pole 1, the top of the main pole 1 is connected to an alarm 2, the main pole 1 is installed on a wall, the side of the main pole 1 is connected to an insulator 3, the side of the insulator 3 is connected to an electric wire 4, the side of the main pole 1 is symmetrically provided with a first movable groove 101, the first movable groove 101 is provided with an auxiliary support mechanism to improve the support strength of the alarm device, the auxiliary support mechanism comprises a first sliding groove 102, and the first sliding groove 102 is provided on the side of the first movable groove 101, a movable block 103 is slidably provided inside the first movable groove 101, and a threaded rod 10 is slidably provided inside the movable block 103, the first sliding groove 102 and the first movable groove 101 4. A limiting groove 105 is fixed at the left end of the threaded rod 104, and the limiting groove 105 slides inside the first sliding groove 102. A nut 106 is threadedly connected to the surface of the threaded rod 104. A rotating groove 107 is provided at the bottom of the movable block 103, and a support leg 108 is rotatably connected inside the rotating groove 107. A second sliding groove 109 is provided at the top of the main rod 1, and an extension mechanism for increasing the length of the main rod 1 is provided inside the second sliding groove 109. The movable block 103 is slidably connected to the first movable groove 101, the threaded rod 104 is threadedly connected to the nut 106, and the rotating groove 107 is rotatably connected to the support leg 108;

[0033] After the alarm device is installed on the top of the fence, the support leg 108 can be pulled outward to rotate through the rotating groove 107. When the support leg 108 rotates to the inclined surface of the inner wall of the rotating groove 107, the threaded rod 104 is pushed down. When the threaded rod 104 is pushed down, the movable block 103 and the limiting groove 105 can be driven to move. When the movable block 103 moves, it can slide through the first movable groove 101. When the limiting groove 105 moves, it can slide through the first sliding groove 102. When the movable block 103 slides, it can drive the support leg 108 to move. When the support leg 108 moves to the top surface of the fence, the nut 106 is moved. When the nut 106 moves to the end of the threaded rod 104, it can be rotated. When 106 rotates, the threaded sliding can be performed through the threaded rod 104, and the nut 106 can be squeezed when the threaded sliding reaches the side of the movable block 103. When the nut 106 is squeezed, the movable block 103 can slide through the threaded rod 104, and the nut 106 can be squeezed and fixed when it slides to the side of the inner wall of the first movable groove 101. After the movable block 103 is fixed, the supporting legs 108 squeeze the top of the fence to generate a reaction force, and the main pole 1 can be supported by the reaction force. By supporting the main pole 1, the wind and earthquake resistance of the electronic fence alarm device can be improved during installation, and the stability of the alarm device can also be improved, which in disguise reduces the probability of damage to the device and increases its service life.

[0034] Embodiment 2:

[0035] like Figure 1 , Figure 4 , Figure 5 and Figure 7 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the main rod 1 of the alarm device is inconvenient to extend and cannot be adjusted according to the needs of the scene, an extension mechanism is disclosed:

[0036] The extension mechanism includes an external rod 110, which penetrates and slides inside the second sliding groove 109, a second movable groove 111 is opened on the side of the main rod 1, a through hole 112 is opened inside the second movable groove 111, an iron ring 113 slides inside the second movable groove 111, a magnetic ring 114 is embedded on the upper and lower bottoms of the second movable groove 111, a rotating block 115 is rotatably connected inside the through hole 112, and a snap-fit ​​groove 116 is opened on the right side of the external rod 110, and the snap-fit ​​groove 116 is provided with The rotating block 115 and the engaging groove 116 form an engaging structure, and the rotating block 115 and the through hole 112 form a rotating connection. When the electronic fence alarm device needs to be extended in height, pulling the alarm 2 can drive the external rod 110 to move. When the external rod 110 moves, it can slide through the second sliding groove 109. When the external rod 110 slides, it can drive the engaging groove 116 to move. When the engaging groove 116 moves to the inclined surface of the rotating block 115, it can be squeezed. After the rotating block 115 is squeezed The outer rod 110 can be driven by the outer rod 115 to move to the side of the through hole 112 when the alarm 2 moves to the specified height. At this time, the rotating block 115 can be pushed to rotate into the engaging groove 116 through the through hole 112. After the rotating block 115 rotates into the engaging groove 116, the iron ring 113 is pulled down. When the iron ring 113 is pulled down, it can be separated from the magnetic ring 114 at the bottom of the second movable groove 111. After the iron ring 113 is separated from the magnetic ring 114, it can slide through the second movable groove 111. When the iron ring 113 slides to the bottom of the second movable groove 111, it can be positioned by the magnetic attraction generated by the magnetic ring 114. After the iron ring 113 is positioned, it can be moved to the side of the rotating block 115 for positioning. After the rotating block 115 is positioned, it can drive the external rod 110 to be positioned. After the external rod 110 is positioned, the length of the main pole 1 can be extended, which improves the convenience of the main pole 1 when used, so that the height of the electronic fence alarm device can be adjusted as needed.

[0037] Embodiment three:

[0038] like Figure 4 and Figure 6 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the extension mechanism of the alarm device is not convenient to operate, the external rod 110 is unstable during operation, and the operating efficiency is affected, a limiting mechanism is disclosed:

[0039] The side of the external rod 110 is also provided with a limiting mechanism to improve the stability of the extension mechanism, and the limiting mechanism includes a guide groove 117, the guide groove 117 is opened on the left side of the external rod 110, and a guide block 118 is slidably passed through the guide groove 117, and the guide block 118 is fixed in the second sliding groove 109. The side of the guide block 118 is symmetrically connected with a friction pad 119, and the friction pad 119 and the guide groove 117 form a fitting connection. When the extension mechanism of the electronic fence alarm device is used, the external rod 110 can slide through the second sliding groove 109, and when the external rod 110 slides, it can drive the guide groove 117 to move, and when the guide groove 117 moves, it can The friction pad 119 is squeezed, and the friction pad 119 can be deformed by its own material when squeezed. The friction force of the friction pad 119 can be changed when it is deformed. When the friction force of the friction pad 119 changes, the guide groove 117 can slide through the guide block 118. The guide block 118 and the guide groove 117 can prevent the main rod 1 from rotating when sliding. At the same time, the friction of the material of the friction pad 119 can prevent the external rod 110 from sliding with the second sliding groove 109 under the action of its own gravity when it is not subject to external force, so that the sliding of the external rod 110 in the second sliding groove 109 is more stable, thereby improving the convenience of operation of the extension mechanism.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic fence alarm device based on the change of high-voltage electric field potential, comprising a main pole (1), the top of which is connected to an alarm (2), the main pole (1) is mounted on a fence, the side of the main pole (1) is connected to an insulator (3), the side of the insulator (3) is connected to an electrical connection (4), characterized in that ； A first movable groove (101) is symmetrically provided on the side of the main rod (1), and an auxiliary support mechanism for improving the support strength of the alarm device is arranged inside the first movable groove (101), and the first sliding groove (102) is provided on the side of the first movable groove (101), and a movable block (103) is slidably provided inside the first movable groove (101), and a threaded rod (104) is slidably passed through the movable block (103), the first sliding groove (102) and the first movable groove (101), and a limiting groove (105) is fixed at the left end of the threaded rod (104), and the limiting groove (105) slides inside the first sliding groove (102), and a nut (106) is threadedly connected on the surface of the threaded rod (104), and a rotating groove (107) is provided at the bottom of the movable block (103), and a supporting leg (108) is rotatably connected inside the rotating groove (107); A second sliding groove (109) is provided at the top of the main rod (1), and an extension mechanism for increasing the length of the main rod (1) is provided inside the second sliding groove (109).

2. The electronic fence alarm device based on high voltage electric field potential change according to claim 1, characterized in that: The movable block (103) is slidably connected to the first movable groove (101), the threaded rod (104) is threadedly connected to the nut (106), and the rotating groove (107) is rotatably connected to the support leg (108).

3. The electronic fence alarm device based on high voltage electric field potential change according to claim 1, characterized in that: The extension mechanism comprises an external connecting rod (110), the external connecting rod (110) penetrates and slides inside the second sliding groove (109), a second movable groove (111) is opened on the side of the main rod (1), and a through hole (112) is opened inside the second movable groove (111).

4. The electronic fence alarm device based on the change of high voltage electric field potential according to claim 3 is characterized in that: An iron ring (113) is slidably disposed inside the second movable groove (111), magnetic rings (114) are embedded in the upper and lower bottoms of the second movable groove (111), and a rotating block (115) is rotatably connected inside the through hole (112).

5. The electronic fence alarm device based on the change of high voltage electric field potential according to claim 4, characterized in that: The right side of the external connecting rod (110) is provided with a snap-fitting groove (116), a plurality of snap-fitting grooves (116) are provided, the rotating block (115) and the snap-fitting groove (116) form a snap-fitting structure, and the rotating block (115) and the through hole (112) form a rotating connection.

6. The electronic fence alarm device based on high voltage electric field potential change according to claim 3, characterized in that: A limiting mechanism for improving the stability of the extension mechanism is also provided on the side of the external connecting rod (110), and the limiting mechanism comprises a guide groove (117), and the guide groove (117) is opened on the left side of the external connecting rod (110).

7. The electronic fence alarm device based on the change of high voltage electric field potential according to claim 6, characterized in that: A guide block (118) is slidably inserted into the guide groove (117), and the guide block (118) is fixed inside the second sliding groove (109). A friction pad (119) is symmetrically connected to the side of the guide block (118), and the friction pad (119) is fittedly connected to the guide groove (117).

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