Line operation fault monitoring device

Abstract

The utility model relates to the technical field of line fault monitoring, in particular to a line operation fault monitoring device, a plurality of monitoring devices are distributed on a power transmission cable, each monitoring device comprises an upper shell and a lower shell, and the upper shell and the lower shell are folded and fixed through a fastener. The lower shell is fixed on the periphery of a power transmission cable through a wire clamp, and a detection unit and a wireless unit which are connected with the control unit are arranged on the inner side and the outer side of the lower shell respectively; wherein an electric power storage unit electrically connected with the control unit is arranged on the outer side of the upper shell through a placing groove, a protective cover is further arranged on the outer side of the upper shell, and the protective cover covers the periphery of the electric power storage unit through a connecting structure; and a cleaning assembly is further arranged on the periphery of the protective cover, the cleaning assembly is used for scraping dust on the surface of the protective cover, and the solar panel can be well protected through the arrangement of the protective cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to line fault monitoring technical field especially relates to a line operation fault monitoring device. BACKGROUND

[0002] The power transmission line is a facility for transmitting electric energy and is an important component of the power system, which is responsible for transmitting the electric energy generated by the power plant to the remote transformer substation, distribution station or directly to large power users through high-voltage or ultrahigh-voltage lines. The power transmission line is prone to tripping accidents caused by various natural factors such as lightning, contamination, animals and plants, wind blowing and dancing, icing, etc.

[0003] In order to more accurately locate the fault point for repair, a line operation fault monitoring device is needed to locate and find the fault point. For example, the prior art Chinese patent No. CN212569009U discloses a power transmission line field monitoring terminal, which comprises a lower shell and an upper shell. The lower shell is provided with wire clamps at both ends. The wire clamps include lower wire clamps and upper wire clamps. The lower wire clamps and the upper wire clamps are provided with wire clamp grooves for clamping the power transmission line conductor. The lower shell is provided with a circuit board, a power module connected to the circuit board, and a Rogowski coil. The power module includes a battery and a CT power taking module. The upper shell is provided with a GPS antenna and a GPS connector connected to the GPS antenna. The lower shell is provided with a GPS interface. The GPS connector is connected to the GPS interface. The upper shell is provided with a solar cell panel for charging the battery. The utility model can accurately find the fault point and ensure that the field monitoring terminal does not stop running due to power failure.

[0004] In the specific operation, the outer side of the upper shell is provided with a solar panel, but no protective measures are provided around the solar panel. The solar panel is exposed to the air for a long time, which can accelerate corrosion and aging, and is not conducive to prolonging the service life of the monitoring equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned problems in the prior art that no protective measures are provided around the solar panel, which reduces the service life of the monitoring equipment, and provides a line operation fault monitoring device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model designs a kind of line operation fault monitoring device, several monitoring devices are distributed and installed on power cable, the monitoring device includes upper shell and lower shell, the upper shell and the lower shell are fixed by fastener, the lower shell is fixed on the periphery of power cable by wire clamp, and detection unit and wireless unit connected with control unit are respectively arranged on the inner and outer sides of lower shell;

[0008] Wherein, the outer side of the upper shell is provided with an electricity storage unit electrically connected with the control unit through a placing groove, and a protective cover is arranged on the outer side of the upper shell, and the protective cover is arranged on the periphery of the electricity storage unit through a connecting structure cover.

[0009] A cleaning assembly is further arranged on the periphery of the protective cover, and the cleaning assembly is used for scraping dust on the surface of the protective cover.

[0010] Further, the outer side of the upper shell forms a terrace part through the placing groove, and the upper shell oppositely extends to form an abutting part on the inner side of both ends of the placing groove, the opening of the placing groove is matched with the protective cover, and the protective cover is further abutted with the terrace part and the abutting part through a sealing gasket.

[0011] Further, the connecting structure includes a fixed rod and a movable piece, the fixed rod is fixedly connected to both sides of one end of the terrace part, and the movable piece is movably inserted through a sliding groove and a spring at the other end of the fixed rod, and the movable piece has an L-shaped structure.

[0012] Further, the bottom edges of both ends of the protective cover extend upward to form clamping grooves, the end of one clamping groove is bent and extended to one side, and is matched with the movable piece, and the clamping grooves at both ends are slidably connected with the fixed rod and the movable piece respectively.

[0013] Further, the cleaning assembly includes a bracket, the protective cover has an arched structure, a sliding groove is arranged on one side of the protective cover along the length direction, the bracket is slidably connected with the sliding groove at both sides of the bottom of the bracket, and a cleaning piece is arranged on the inner side of the top of the bracket and is attached to the surface of the protective cover.

[0014] Further, the protective cover is provided with a recess at the end of the sliding groove at both sides, the bottom of the bracket is bent inward, and an elastic part is formed through a deformation groove, the movable end of the elastic part has a protruding structure, and the protruding structure is engaged with the recess.

[0015] Wherein, the recess and the abutting part are correspondingly arranged.

[0016] The utility model proposes a kind of line operation fault monitoring device, beneficial effect lies in: the utility model is equipped with a transparent protective cover on the outside of upper shell by connecting structure, one is by the way of pressing movable part can disassemble protective cover, it is convenient to clean dust and replace cleaning element, two are by the setting of protective cover can well protect solar panel, it is favorable to prolong the service life of monitoring equipment, in addition, cleaning element is also equipped in the periphery of protective cover by support, sliding support can cooperate with cleaning element to clean the dust on the surface of protective cover, avoid dust accumulation to influence the energy storage efficiency of solar panel, and support is set at abutting portion by elastic part when not using, avoid shading solar panel. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 the structure schematic diagram of A area of the utility model;

[0019] Figure 3 It is the structure schematic diagram of fixed structure of the utility model;

[0020] Figure 4 It is Figure 3 the structure schematic diagram of B area of the utility model;

[0021] Figure 5 It is Figure 3 the structure schematic diagram of C area of the utility model;

[0022] Figure 6 It is the structure schematic diagram of cleaning assembly of the utility model.

[0023] In the drawing: 1, upper shell;11, placing groove;12, terrace part;13, abutting portion;2, lower shell;3, line card;4, detection unit;5, wireless unit;6, storage unit;7, protective cover;71, clamping groove;72, sliding slot;73, recess;8, connecting structure;81, fixed rod;82, movable part;83, spring;9, cleaning assembly;91, support;92, deformation slot;93, elastic part;94, protruding structure. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Refer to Figures 1-6The utility model provides a kind of line operation fault monitoring device, several monitoring devices are distributed and installed on power cable, the monitoring device includes upper shell 1 and lower shell 2, the upper shell 1 and the lower shell 2 are fixed by fastener and are closed, the lower shell 2 is fixed on the periphery of power cable by wire clamp 3, and detection unit 4 and wireless unit 5 connected with control unit are respectively arranged on the inside and outside of lower shell 2;

[0026] Wherein, the outside of the upper shell 1 is provided with an electricity storage unit 6 electrically connected with the control unit through a placing groove 11, and a protective cover 7 is arranged on the outside of the upper shell 1, the protective cover 7 covers the periphery of the electricity storage unit 6 through a connecting structure 8.

[0027] The periphery of the protective cover 7 is further provided with a cleaning assembly 9, and the cleaning assembly 9 is used for scraping dust on the surface of the protective cover 7.

[0028] It should be noted that the monitoring device is a distributed fault monitoring device in the prior art, and the working principle is as follows: distributed traveling wave distance measurement technology is used to automatically collect power frequency current and traveling wave current generated by line fault by the monitoring device installed at both ends of the line, and the accurate position of the fault point can be calculated according to the time difference of the traveling wave reaching the monitoring terminal.

[0029] In some embodiments, the fastener is a locking bolt, the detection unit 4 is a Rogowski coil, and the specific inspection method is not described here in the prior art, and the monitoring device is connected with the monitoring terminal through the wireless unit 5.

[0030] Specifically, the electricity storage unit 6 includes a battery and a solar panel, the solar panel and the control unit are connected with the battery, and the protective cover 7 is a transparent acrylic plate.

[0031] Further, the two sides of the outside of the upper shell 1 form a step part 12 through the placing groove 11, the upper shell 1 oppositely extends to form an abutting part 13 at the two ends of the inside of the placing groove 11, the protective cover 7 matches the opening of the placing groove 11, and the protective cover 7 is further tightly abutted with the step part 12 and the abutting part 13 through a sealing gasket.

[0032] Specifically, the sealing gasket can further improve the sealing between the protective cover 7 and the upper shell 1, improve the dustproof and waterproof ability, and prolong the service life of the electricity storage unit 6.

[0033] Further, the connecting structure 8 includes a fixed rod 81 and a movable piece 82, the fixed rod 81 is fixedly connected at one end of the two sides of the step part 12, and the movable piece 82 is movably inserted at the other end of the two sides through a sliding groove and a spring 83, and the movable piece 82 is in L-shaped structure.

[0034] More specifically, the two ends of the protective cover 7 extend upward to form a clamping groove 71, wherein the end of the clamping groove 71 is bent to one side and is matched with the movable part 82, and the two ends of the clamping groove 71 are respectively connected with the fixed rod 81 and the movable part 82.

[0035] In this embodiment, by pressing the two movable parts 82, the movable part 82 is retracted, the protective cover 7 is clamped with the fixed rod 81 through the clamping groove 71 on one side, and further, the movable part 82 is reset under the action of the spring 83 and clamped with the clamping groove 71 on the other side, thereby fixing the protective cover 7.

[0036] Specifically, the protective cover 7 is convenient to disassemble and replace the cleaning part, and maintain the power storage unit 6.

[0037] In general, the cleaning assembly 9 includes a bracket 91, the protective cover 7 is in an arc shape, and one side of the protective cover 7 is provided with a sliding groove 72 along the length direction, the bottom of the bracket 91 is connected with the sliding groove 72, and the top of the bracket 91 is provided with a cleaning part matched with the surface of the protective cover 7.

[0038] Finally, the end of the protective cover 7 located on both sides of the sliding groove 72 is provided with a recess 73, wherein the bottom of the bracket 91 is bent inward, and the elastic part 93 is formed through the deformation groove 92, the movable end of the elastic part 93 has a protruding structure 94, and the protruding structure 94 is clamped with the recess 73.

[0039] The recess 73 is arranged corresponding to the abutting part 13.

[0040] In this embodiment, the bracket 91 is preferably made of materials such as silica gel and plastic which have deformation ability, the protruding structure 94 is in an arc shape, when the sliding bracket 91 moves to the end of the sliding groove 72, the protruding structure 94 restores the deformation and is clamped in the recess 73, thereby limiting the bracket 91, at this time, the bracket 91 is arranged corresponding to the abutting part 13, thereby avoiding free sliding and blocking the solar panel.

[0041] Specifically, the cleaning part is a cleaning sponge, and the bracket 91 and the cleaning part can be replaced as a whole after a long time of use.

[0042] In addition, the top of the bracket 91 is also provided with a protruding part, thereby facilitating the sliding of the bracket 91.

[0043] Working mode; during work, the Rogowski coil and the wire clamping sleeve on both sides are arranged on the periphery of the power transmission cable, and the lower shell 2 is fixed by clamping the power transmission cable through the wire clamp, and the lower shell 2 and the upper shell 1 are fixed by fastening.

[0044] After long time use, the dust on the surface of the protective cover 7 can be cleaned by the way that the support 91 matches the cleaning piece, and when the support 91 slides to the end of the sliding groove 72, the convex structure 94 restores the deformation and is engaged in the recess 73, thereby limiting the support 91, at this time, the support 91 is arranged corresponding to the abutting portion 13, avoiding free sliding to block the solar panel;

[0045] After the movable piece 82 is pressed and is separated from the clamping groove 71, the protective cover 7 can be disassembled, the support 91 and the cleaning piece can be replaced, and the storage unit 6 can be maintained.

[0046] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A line operation fault monitoring device, comprising a plurality of monitoring devices distributed and installed on a power transmission cable, the monitoring device comprising an upper housing (1) and a lower housing (2), characterized in that: The upper housing (1) and the lower housing (2) are fastened together and fixed. The lower housing (2) is fixed to the periphery of the power transmission cable by a wire clip (3). A detection unit (4) and a wireless unit (5) connected to the control unit are respectively provided on the inner and outer sides of the lower housing (2). Among them, an energy storage unit (6) electrically connected to the control unit is provided on the outside of the upper housing (1) through a placement groove (11), and a protective cover (7) is also provided on the outside of the upper housing (1). The protective cover (7) is covered around the energy storage unit (6) through a connecting structure (8). A cleaning component (9) is also provided on the periphery of the protective cover (7), which is used to scrape off dust from the surface of the protective cover (7).

2. The line operation fault monitoring device according to claim 1, characterized in that: The upper housing (1) has two outer sides forming stepped portions (12) through the placement groove (11). The upper housing (1) extends relative to the inner sides of the two ends of the placement groove (11) to form abutment portions (13). The protective cover (7) matches the opening of the placement groove (11), and the protective cover (7) also abuts against the stepped portions (12) and the abutment portions (13) through a sealing gasket.

3. The line operation fault monitoring device according to claim 2, characterized in that: The connecting structure (8) includes a fixed rod (81) and a movable part (82). The fixed rod (81) is fixedly connected to one side of the stepped part (12), and the movable part (82) is movably inserted into the other side of the step through a sliding groove and a spring (83). The movable part (82) has an L-shaped structure.

4. The line operation fault monitoring device according to claim 3, characterized in that: The bottom edges of the two ends of the protective cover (7) extend upward to form slots (71), one end of which is bent to one side and adapted to the movable part (82). The two ends of the slots (71) are slidably connected to the fixed rod (81) and the movable part (82) respectively.

5. The line operation fault monitoring device according to claim 2, characterized in that: The cleaning component (9) includes a bracket (91), the protective cover (7) has an arched structure, and a groove (72) is provided on one side along the length direction. The bottom two sides of the bracket (91) are slidably connected to the groove (72), and the inner side of its top is provided with a cleaning component that fits against the surface of the protective cover (7).

6. The line operation fault monitoring device according to claim 5, characterized in that: The protective cover (7) has a groove (73) at the end of the sliding groove (72) on both sides. The bottom sides of the bracket (91) are bent inward and form an elastic part (93) through the deformation groove (92). The movable end of the elastic part (93) has a protruding structure (94), which engages with the groove (73). The groove (73) is provided correspondingly to the abutment (13).

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