Power cable anti-theft alarm device
By introducing a displacement mechanism and adjustment components into the power cable anti-theft alarm device, the problem of unstable antenna signals in mountainous areas has been solved, achieving stable signal transmission and flexible adjustment, and improving the effectiveness of the power cable anti-theft alarm system.
Patent Information
- Application Number
- CN202423300578.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In mountainous areas, the antenna signal transmission strength is unstable at different installation locations, which makes it impossible for the power cable anti-theft alarm system to achieve stable signal transmission and affects the anti-theft protection effect.
A power cable anti-theft alarm device was designed. By setting a displacement mechanism between the antenna and the housing, the antenna's flexible position can be adjusted using a winding rod and toothed block structure. Combined with a telescopic hose and adjustment components, stable signal transmission is ensured.
It enables flexible adjustment of antenna position, improves signal reception strength, ensures stable monitoring and timely response of power cable anti-theft alarm system, and meets remote anti-theft needs.
Smart Images

Figure CN223757144U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of alarm device, concretely is power cable theftproof alarm device. BACKGROUND
[0002] In remote mountainous area, power line is longer, manual maintenance is inconvenient, since the core in cable is aluminium or copper, so cable becomes one of the most favorite theft objects of thieves for a long time, in order to reduce the occurrence of this phenomenon, power cable theftproof alarm system is arranged at the place, realizes the real-time monitoring alarm of operation and maintenance personnel under the remote condition through the vibration sensor and communication module etc. arranged at the place, and it is convenient for maintenance personnel to rush to the scene quickly, reduces the loss.
[0003] Power cable theftproof alarm system will be equipped with antenna, that is, signal transmitting head, so that the stable transmission of signal between power cable theftproof alarm system and remote control equipment is ensured, and in mountainous area, the strength of overall signal transmission of antenna is different for different installation positions, therefore the antenna fixedly connected with power cable theftproof alarm system cannot satisfy the demand of stable signal transmission of equipment, thereby affecting the effective theft protection of power cable theftproof alarm system to cable, in view of the deficiency of prior art, we propose power cable theftproof alarm device to solve the above problems. SUMMARY
[0004] In view of the deficiency of prior art, the utility model provides power cable theftproof alarm device, solves the problem that in mountainous area, the strength of overall signal transmission of antenna is different for different installation positions, therefore the antenna fixedly connected with power cable theftproof alarm system cannot satisfy the demand of stable signal transmission of equipment, thereby affecting the effective theft protection of power cable theftproof alarm system to cable.
[0005] In order to realize the above purpose, the utility model realizes through the following technical scheme: power cable theftproof alarm device, including first shell, second shell, wiring terminal and communication module, vibration sensor, power and signal module arranged in the inside of first shell and second shell, the outer wall of first shell is provided with antenna, the antenna is provided with main wiring between signal module, the first shell is provided with variable position mechanism between antenna, the variable position mechanism includes:
[0006] Hollow box, fixedly set in the top surface of first shell, and the inside of hollow box is rotationally provided with winding rod, the outer wall of winding rod is wound with extension line between antenna and main wiring;
[0007] Cavity, which is opened in the inside of hollow box, the outer wall of one end of winding rod extending to the inside of cavity is fixedly provided with gear ring, and the inside of cavity is slidingly provided with gear block engaged with gear ring;
[0008] A control screw is arranged on one side of the hollow box and is used to control the connection between the tooth block and the tooth ring.
[0009] Preferably, the hollow box is internally provided with a reset assembly, which comprises a sleeve fixedly arranged inside the hollow box and a coil spring arranged inside the sleeve, and the coil spring is sleeved on the outer wall of one end of the winding rod extending into the sleeve.
[0010] Preferably, one side of the tooth block is fixedly provided with a bearing, and the outer wall of one end of the control screw is fixedly connected with the inner wall of the bearing.
[0011] Preferably, the cavity is internally fixedly provided with a limiting rod for limiting sliding of the tooth block.
[0012] Preferably, the bottom surface of the antenna is provided with an adjusting assembly, which comprises a support seat fixedly arranged on the bottom surface of the antenna, an extension plate in sliding connection with the support seat, and an adjusting screw rotatably arranged on one side of the support seat and used for locking between the support seat and the extension plate.
[0013] Preferably, one side of the extension plate is provided with a plurality of screw holes, and the inner surface of the support seat is provided with a slide way for limiting sliding of the extension plate.
[0014] Preferably, a flexible hose is arranged between the top surface of the hollow box and the bottom surface of the support seat, and the flexible hose is used for protection of the extension line.
[0015] The utility model discloses a power cable anti -theft alarm device, it has the beneficial effect as follows: the power cable anti -theft alarm device splits antenna and casing, and the antenna is connected with the main wiring connection of signal module through extension line, and sets up hollow box on the casing, sets up the winding rod that can automatically take out and put away extension line in the hollow box, makes antenna can change position flexibly, improves antenna signal receiving strength, ensures that power cable anti -theft alarm system can in time and stable cable real -time situation carries out monitoring, satisfies the demand of cable remote anti -theft alarm. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic diagram of the utility model;
[0017] Figure 2 It is the internal structure schematic diagram of two groups of casing of the utility model;
[0018] Figure 3 It is the structure explosion map of first casing and hollow box of the utility model;
[0019] Figure 4 It is the internal structure section view of hollow box of the utility model;
[0020] Figure 5 It is the connection structure schematic view of the winding rod and the reset component of the utility model;
[0021] Figure 6 It is the explosion view of the winding rod and the tooth block structure of the utility model;
[0022] Figure 7 It is the explosion view of the support seat and the extension plate structure of the utility model.
[0023] In the figure: 1, first shell;11, second shell;12, terminal;2, communication module;21, vibration sensor;22, power supply;23, signal module;3, antenna;31, main wiring;4, displacement mechanism;41, hollow box;411, cavity;412, limit rod;42, winding rod;43, extension line;44, gear ring;45, tooth block;451, bearing;46, control screw;47, reset component;471, sleeve;472, coil spring;5, flexible hose;6, adjusting assembly;61, support seat;62, extension plate;63, screw hole;64, adjusting screw;65, slide. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0025] The power cable anti-theft alarm device provided by the embodiments of the application solves the problem that in mountainous areas, the strength of the overall signal transmission of the antenna is different for different installation positions, so that the antenna fixedly connected with the power cable anti-theft alarm system cannot meet the requirement of stable signal transmission of the equipment, thereby affecting the effective anti-theft protection of the power cable anti-theft alarm system on the cable, and realizing flexible change and adjustment of the antenna setting position of the power cable anti-theft alarm system.
[0026] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.
[0027] The embodiments of the utility model disclose a power cable anti-theft alarm device.
[0028] According to the drawings Figures 1-7As shown, including the first shell 1, the second shell 11, the terminal 12 and the communication module 2, vibration sensor 21, power supply 22 and signal module 23 arranged inside the first shell 1 and the second shell 11, the combined first shell 1 and the second shell 11 are installed on the position near the power cable of the telegraph pole through the clamp and other mounting members, the first shell 1 outer wall is provided with an antenna 3, the antenna 3 and the signal module 23 are provided with a main wiring 31, the first shell 1, the second shell 11, the terminal 12, the communication module 2, the vibration sensor 21, the power supply 22, the signal module 23 and the antenna 3 and other components constitute the power cable anti-theft alarm system of model BL-3000-GSM, specifically, by means of the communication module 2, the networking of the power cable anti-theft alarm system is realized, so that the operation and maintenance personnel can log in the platform to check the running state and historical alarm information of each cable line anti-theft device at any time, the centralized and intelligent supervision of the cable is realized, once someone climbs the telegraph pole, pries the cable or uses the tool to cut the cable, the generated vibration will be captured by the vibration sensor 21, the vibration sensor 21 converts the vibration signal into an electric signal, after analysis and processing, if the vibration amplitude and frequency meet the characteristics of theft and cutting, the alarm will be started, so that the operation and maintenance personnel can arrive at the scene in time, and with the aid of the antenna 3, the stable transmission of the signal of the power cable anti-theft alarm system can be ensured.
[0029] Referring to the drawings Figures 2-6The position changing mechanism 4 is arranged between the first shell 1 and the antenna 3. Due to weak signals in mountainous areas, the position changing mechanism 4 can flexibly change the position of the antenna 3, so as to ensure the stability of the overall signal strength of the power cable anti-theft alarm system. The position changing mechanism 4 comprises a hollow box 41 fixedly arranged on the top surface of the first shell 1, and a winding rod 42 rotatably arranged in the hollow box 41. An extension line 43 is wound on the outer wall of the winding rod 42 and located between the antenna 3 and the main wiring 31. The main wiring 31 has a fixed length, and one end of the main wiring 31 close to the extension line 43 is fixedly connected to the inner wall of the first shell 1, so that the winding rod 42 can only wind or unwind the extension line 43. A cavity 411 is formed in the hollow box 41, a tooth ring 44 is fixedly arranged on the outer wall of one end of the winding rod 42 extending into the cavity 411, and a tooth block 45 engaged with the tooth ring 44 is slidably arranged in the cavity 411. A limiting rod 412 for limiting the sliding of the tooth block 45 is fixedly arranged in the cavity 411. A control screw 46 is rotatably arranged on one side of the hollow box 41, a bearing 451 is fixedly arranged on one side of the tooth block 45, and the outer wall of one end of the control screw 46 is fixedly connected to the inner wall of the bearing 451. The bearing 451 ensures that the control screw 46 and the tooth block 45 are always connected, and the tooth block 45 can only move linearly when the control screw 46 is rotated under the limitation of the limiting rod 412. The connection between the tooth block 45 and the tooth ring 44 is controlled by the control screw 46. Specifically, the control screw 46 is rotated to drive the tooth block 45 away from the tooth ring 44, so that the tooth ring 44 and the winding rod 42 connected with the tooth ring 44 are in a movable state, and then the maintenance personnel directly move the antenna 3. During the process, the extension line 43 on the outer wall of the winding rod 42 can automatically expand or contract according to the distance between the antenna 3 and the first shell 1, so that the antenna 3 and the first shell 1 are always connected.
[0030] Referring to the drawings Figures 4-5 The hollow box 41 is provided with a reset assembly 47, so that the excess extension line 43 can be automatically wound on the outer wall of the winding rod 42. The reset assembly 47 comprises a sleeve 471 fixedly arranged in the hollow box 41 and a coil spring 472 arranged in the sleeve 471. The coil spring 472 is sleeved on the outer wall of one end of the winding rod 42 extending into the sleeve 471.
[0031] Referring to the drawings Figure 7, the bottom surface of the antenna 3 is provided with an adjusting assembly 6, when the antenna 3 is installed on a telegraph pole or the like by a hoop, the adjusting assembly 6 can adjust the change of the installation position of the antenna 3 relative to the telegraph pole or the like, the adjusting assembly 6 comprises a supporting seat 61 fixedly arranged on the bottom surface of the antenna 3, an extension plate 62 in sliding connection with the supporting seat 61, and an adjusting screw 64 rotatably arranged on one side of the supporting seat 61 and used for locking the supporting seat 61 and the extension plate 62, one side of the extension plate 62 is provided with a plurality of groups of screw holes 63, and the inner surface of the supporting seat 61 is provided with a sliding groove 65 used for limiting the sliding of the extension plate 62.
[0032] Refer to the attached drawings Figures 3-4 The top surface of the hollow box 41 and the bottom surface of the supporting seat 61 are provided with a flexible hose 5, the flexible hose 5 is used for protecting the extension cord 43, the material of the flexible hose 5 is not limited and is selected according to actual needs, and through the flexible hose 5, the part of the extension cord 43 located outside the hollow box 41 can be protected.
Claims
1. A power cable anti-theft alarm device, comprising a first shell (1), a second shell (11), a wiring terminal (12), and a communication module (2), a vibration sensor (21), a power supply (22) and a signal module (23) arranged inside the first shell (1) and the second shell (11), an antenna (3) is arranged on the outer wall of the first shell (1), and a main wiring (31) is arranged between the antenna (3) and the signal module (23), characterized in that, The first shell (1) and the antenna (3) are provided with a displacement mechanism (4), the displacement mechanism (4) comprises: A hollow box (41) is fixedly arranged on the top surface of the first shell (1), and a winding rod (42) is rotatably arranged in the hollow box (41); an extension line (43) between the antenna (3) and the main wiring (31) is wound on the outer wall of the winding rod (42); A cavity (411) is formed in the hollow box (41), and the winding rod (42) extends to the cavity (411); a tooth ring (44) is fixedly arranged on the outer wall of one end of the winding rod (42) in the cavity (411); and a tooth block (45) is slidably arranged in the cavity (411) and engaged with the tooth ring (44). A control screw (46) is rotatably arranged on one side of the hollow box (41), and the connection state between the tooth block (45) and the tooth ring (44) is controlled by the control screw (46).
2. The power cable anti-theft alarm device according to claim 1, characterized in that: A reset assembly (47) is arranged in the hollow box (41), the reset assembly (47) comprises a sleeve (471) fixedly arranged in the hollow box (41) and a coil spring (472) arranged in the sleeve (471); and the coil spring (472) is sleeved on the outer wall of one end of the winding rod (42) extending into the sleeve (471).
3. The power cable anti-theft alarm device according to claim 1, characterized in that: A bearing (451) is fixedly arranged on one side of the tooth block (45), and the outer wall of one end of the control screw (46) is fixedly connected with the inner wall of the bearing (451).
4. The power cable anti-theft alarm device according to claim 3, characterized in that: A limiting rod (412) is fixedly arranged in the cavity (411) for limiting sliding of the tooth block (45).
5. The power cable anti-theft alarm device according to claim 1, characterized in that: An adjusting assembly (6) is arranged on the bottom surface of the antenna (3), the adjusting assembly (6) comprises a support seat (61) fixedly arranged on the bottom surface of the antenna (3), an extension plate (62) slidably connected with the support seat (61), and an adjusting screw (64) rotatably arranged on one side of the support seat (61) for locking between the support seat (61) and the extension plate (62).
6. The power cable anti-theft alarm device according to claim 5, characterized in that: A plurality of screw holes (63) are formed on one side of the extension plate (62), and a sliding channel (65) for limiting sliding of the extension plate (62) is formed in the inner surface of the support seat (61).
7. The power cable anti-theft alarm device according to claim 1, characterized in that: A telescopic hose (5) is arranged between the top surface of the hollow box (41) and the bottom surface of the support seat (61), and the telescopic hose (5) is used for protecting the extension line (43).