CN102944261A - Jumper galloping on-line monitoring device - Google Patents

Abstract

The invention includes a casing, a circuit board and a sensor, the casing is cylindrical, a shielding cylinder is installed on the inner surface of the casing, a support sleeve is installed on the inner surface of the shielding cylinder, a circuit board is installed inside the support sleeve, a left end cover is installed on the left end of the casing, and a right end cover is installed on the right end of the casing. The antenna is installed on the right side of the right end cover, and the solar panel is installed on the outer surface of the casing. The casing is connected to the fixture through a fixing block. The fixed plate and the connecting shaft are formed, the left end of the upper fixed plate and the lower fixed plate are hinged, and the right ends of the upper fixed plate and the lower fixed plate are connected by connecting the rotating shaft. The beneficial effect of the present invention is that it can be firmly fixed on the drainage line, and it is easy to disassemble when maintenance or replacement is required, and the parts will not fall when disassembled, avoiding the injury incident caused by the falling of the parts and the repeated lifting of the construction personnel, saving time and reduce maintenance costs.

Description

An online monitoring device for galloping of drainage wires

technical field

The invention relates to a monitoring device for overhead transmission lines, in particular to an online monitoring device for galloping of drain wires.

Background technique

In the prior art, the galloping of the overhead transmission line is the self-excited vibration of low frequency and large amplitude generated by the drain line. Its formation mainly depends on three factors, namely, icing, wind excitation, and the structure and parameters of the line. There are many hazards caused by galloping. The light ones cause flash welding and tripping, and the severe ones cause damage to hardware and insulators, resulting in broken strands, disconnected wires, loose bolts on towers, and even downed towers, leading to major power grid accidents. Therefore, people have created Overhead transmission line monitoring device, the existing overhead transmission line monitoring device is fixed on the drainage line with bolts, and is exposed with the drainage line, so it is easy to be damaged. People need to unscrew the bolts when replacing or overhauling, but the bolts are exposed on the outer pole. It is easy to rust or is difficult to disassemble due to dust clogging, and the bolts are small in size and easy to fall during disassembly.

Contents of the invention

The object of the present invention is to provide an online monitoring device for galloping of drainage wires, which can overcome the shortcomings of the prior art, can be firmly fixed on the drainage wires and is easy to disassemble, and is convenient for replacement and maintenance.

The technical solution adopted by the present invention to solve the technical problem is: comprising a casing, a circuit board and a sensor, the casing is cylindrical, a shielding cylinder is installed on the inner surface of the casing, a support sleeve is installed on the inner surface of the shielding cylinder, a circuit board is installed in the support sleeve, and the casing The left end cover is installed on the left end, the right end cover is installed on the right end of the housing, the antenna is installed on the right side of the right end cover, and the solar panel is installed on the outer surface of the housing. Install the sensor. The jig is composed of an upper fixing plate, a lower fixing plate and a connecting shaft. The connecting shaft is a U-shaped piece that is bent to the same side at the free end and the fixed end. The length of the fixed end of the connecting shaft is greater than the length of the free end of the connecting shaft. The inner sides of the upper fixed plate and the lower fixed plate are respectively provided with arc-shaped grooves, the left ends of the upper fixed plate and the lower fixed plate are hinged, the right ends of the upper fixed plate and the lower fixed plate are connected by connecting shafts, and the upper fixed plate is provided with an upper limit groove on the right end surface. The right end surface of the lower fixing plate is respectively provided with a limit hole and a lower limit groove from top to bottom, and two inner grooves are respectively symmetrically opened on the inner wall of the upper limit groove and the lower limit groove, and a ball is installed in each inner groove, and the ball and the inner wall of the inner groove A ball spring is installed between them, the free end of the connecting shaft is set in the upper limit groove, the outer circumference of the end is provided with an annular groove, the annular groove matches the ball, the fixed end of the connecting shaft is set in the limit hole, and the end surface Install the block, install the limit block in the limit hole, the limit block will limit the block in the limit hole, install the rotating shaft spring between the block and the limit block, the depth of the limit hole is greater than the upper limit groove and the lower limit The depth of the groove.

In order to further achieve the purpose of the present invention, a sealing ring is respectively installed at both ends of the outer surface of the solar cell panel; a baffle is arranged on the right side of the antenna, and the baffle is installed on the right end cover; Bolts are arranged on the top, and the bolts pass through the upper fixing plate, the sensor, the fixing block, the solar battery panel, the casing, the shielding tube and the supporting sleeve in turn to connect with the pressure plate.

The beneficial effect of the present invention is that it can be firmly fixed on the drainage line, and it is easy to disassemble when maintenance or replacement is required, and the parts will not fall during disassembly, which avoids the injury incident caused by the falling of the parts and the repeated lifting of the construction personnel, saving time and reduce maintenance costs.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention; Fig. 2 is a schematic diagram of an enlarged structure along the direction A of Fig. 1; Fig. 3 is a schematic diagram of a cross-sectional enlarged structure along Fig. 1B-B.

Reference signs: 1 Left end cover 2 Shell 3 Sealing ring 4 Solar panel 5 Sensor 6 Shielding tube 7 Support sleeve 8 Right end cover 9 Baffle plate 10 Antenna 11 Upper fixing plate 12 Lower fixing plate 13 Pressing plate 14 Fixing block 15 Bolt 16 Upper limit Groove 17 connecting shaft 18 limit block 19 lower limit groove 20 annular groove 21 block 22 shaft spring 23 ball 24 ball spring 25 limit hole 26 circuit board 27 inner groove.

Detailed ways

The present invention comprises shell 2, circuit board 26 and sensor 5, and as shown in Figure 1, shell 2 is cylindrical, and shielding tube 6 is installed on the inner surface of shell 2, and support sleeve 7 is installed on the inner surface of shielding tube 6, and is installed in support sleeve 7 The circuit board 26 and the shielding cylinder 6 play the role of shielding the magnetic field around the drain wire and protecting the circuit board. The left end cover 1 is installed on the left end of the shell 2, and the right end cover 8 is installed on the right end of the shell 2. The left end cover 1 and the right end cover 8 are shielding materials, which can shield The magnetic field of the drain wire, the antenna 10 is installed on the right side of the right end cover 8, the solar cell panel 4 is installed on the outer surface of the casing 2, the casing 2 is connected with the fixture through the fixing block 14, the fixing block 14 is located at the outside of the solar cell panel 4, the fixing block 14 is connected with the clip Sensors 5 are installed between the tools, and the working principle of the above-mentioned device is the same as that of the existing overhead transmission line monitoring device. As shown in FIG. 2 , the jig is composed of an upper fixing plate 11 , a lower fixing plate 12 and a connecting shaft 17 . As shown in Figure 3, the connecting shaft 17 is a U-shaped piece whose free end and fixed end are bent to the same side. The length of the fixed end of the connecting shaft 17 is greater than the length of the free end of the connecting shaft 17. The inner sides of the inner side are respectively provided with arc-shaped grooves. This structure makes the present invention fixed on the drainage line and will not damage the drainage line. The right end is connected by connecting the rotating shaft 17, the upper fixed plate 11 right end face is provided with the upper limit groove 16, and the lower fixed plate 12 right end face is provided with the limit hole 25 and the lower limit groove 19 respectively from top to bottom, the upper limit groove 16 and the lower limit groove 19 Two inner grooves 27 are respectively symmetrically opened on the inner wall, a ball 23 is installed in each inner groove 27, a ball spring 24 is installed between the ball 23 and the inner wall of the inner groove 27, and the free end of the connecting shaft 17 is arranged in the upper limit groove 16, An annular groove 20 is arranged on the outer periphery of this end, and the annular groove 20 is matched with the ball 23. The fixed end connecting the rotating shaft 17 is arranged in the limit hole 25. Block 18, limit block 18 limits stop block 21 in limit hole 25, and rotating shaft spring 22 is installed between stop block 21 and limit block 18, and the depth of limit hole 25 is greater than upper limit groove 16 and lower limit groove 19 When the free end of the connecting rotating shaft 17 is pulled out from the upper limit groove 16 during disassembly, the fixed end of the connecting rotating shaft 17 will not break away from the limiting hole 25, so that the connecting rotating shaft 17 will not fall, and it can also Insert the free end connecting the rotating shaft 17 in the lower limit groove 19, which is convenient to carry; a sealing ring 3 is respectively installed at both ends of the outer surface of the solar cell panel 4, and the sealing ring 3 plays the role of fixing the solar cell panel 4, and can also prevent Dust and rainwater enter the inside of the solar panel 4; the right side of the antenna 10 is provided with a baffle 9, the baffle 9 is installed on the right end cover 8, the baffle 9 is a non-shielding material, the baffle 9 does not affect the antenna signal and can be an antenna 10 blocks wind and rain and prevents damage to the antenna 10; a pressure plate 13 is installed on the inner side of the support sleeve 7, and a bolt 15 is arranged on the fixed plate 11, and the bolt 15 passes through the upper fixed plate 11, the sensor 5, the fixed block 14, the solar panel 4, The shell 2, the shielding cylinder 6 and the support sleeve 7 are connected with the pressure plate 13, and the shell is connected with the fixture by the bolt 15, so that the shell is easy to replace, and the distance between the shell and the drain wire can be adjusted.

The specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, but these descriptions should not be construed as limiting the scope of the present invention, and the technical contents not described in detail in the present invention are all known technologies.

Claims (4)

1. An online monitoring device for drain wire galloping, comprising a casing (2), a circuit board (26) and a sensor (5), the casing (2) is cylindrical, and a shielding cylinder (6) is installed on the inner surface of the casing (2), Install the support sleeve (7) on the inner surface of the shielding cylinder (6), install the circuit board (26) inside the support sleeve (7), install the left end cover (1) on the left end of the shell (2), and install the right end cover (8) on the right end of the shell (2) , the antenna (10) is installed on the right side of the right end cover (8), the solar panel (4) is installed on the outer surface of the casing (2), the casing (2) is connected with the fixture through the fixing block (14), and the fixing block (14) is located on the solar On the outside of the battery board (4), the sensor (5) is installed between the fixing block (14) and the jig, which is characterized in that the jig is composed of an upper fixing plate (11), a lower fixing plate (12) and a connecting shaft (17) , the connecting shaft (17) is a U-shaped piece whose free end and fixed end are bent to the same side, the length of the fixed end of the connecting shaft (17) is greater than the length of the free end of the connecting shaft (17), the upper fixing plate (11) and the lower The inner side of the fixed plate (12) is respectively provided with arc-shaped grooves, the left end of the upper fixed plate (11) and the lower fixed plate (12) are hinged, and the right end of the upper fixed plate (11) and the lower fixed plate (12) is connected by a rotating shaft (17 ) connection, the upper fixing plate (11) is provided with an upper limit slot (16) on the right end surface, and the lower fixing plate (12) is provided with a limit hole (25) and a lower limit groove (19) respectively from top to bottom on the right end surface, and the upper limit slot (16) and the inner wall of the lower limit groove (19) are respectively symmetrically provided with two inner grooves (27), and a ball (23) is installed in each inner groove (27), and the distance between the ball (23) and the inner wall of the inner groove (27) A ball spring (24) is installed between them, the free end of the connecting shaft (17) is set in the upper limit groove (16), and an annular groove (20) is arranged on the outer periphery of the end, and the annular groove (20) is matched with the ball (23) , the fixed end connecting the rotating shaft (17) is set in the limit hole (25), the stopper (21) is installed on the end surface, the limit block (18) is installed in the limit hole (25), the limit block (18 ) to limit the stopper (21) in the limit hole (25), install the rotating shaft spring (22) between the stopper (21) and the limiter (18), and the depth of the limiter hole (25) is greater than the upper limit groove (16) and the depth of the lower limit groove (19). 2 . The online monitoring device for drain wire galloping according to claim 1 , wherein a sealing ring ( 3 ) is respectively installed at both ends of the outer surface of the solar panel ( 4 ). 3 . 3. An online monitoring device for drain wire galloping according to claim 1, characterized in that: a baffle (9) is provided on the right side of the antenna (10), and the baffle (9) is installed on the right end cover (8) . 4. An online monitoring device for drain wire galloping according to claim 1, characterized in that: a pressure plate (13) is installed on the inner side of the support sleeve (7), and a bolt (15) is arranged on the fixing plate (11), and the bolt ( 15) Pass through the upper fixing plate (11), the sensor (5), the fixing block (14), the solar panel (4), the casing (2), the shielding tube (6), the support sleeve (7) and the pressure plate (13) in sequence ) connected.

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