CN219610187U - Three-phase series reactor - Google Patents

Abstract

The utility model discloses a three-phase series reactor, and relates to the technical field of reactors. The utility model comprises a protection box, wherein three coils are uniformly arranged in the protection box at intervals, core columns are fixedly arranged in the coils, three dismounting components are uniformly arranged in the protection box at intervals, each dismounting component comprises a hanging lug symmetrically and fixedly connected to the bottom of the core column, a threaded rod is fixedly connected to one side of the inside of the protection box, one end of the threaded rod is fixedly connected with a collision block, and a nut is connected to the other end of the threaded rod in a threaded manner. According to the utility model, when a single coil fails, the screw cap is unscrewed, then the coil is manually pulled to move along the length direction of the threaded rod, and the pulley is matched with the first sliding table, so that the coil can easily slide out of the inside of the protection box, the single coil can be conveniently disassembled and inspected for maintenance, the maintenance resource is saved, and the maintenance difficulty is reduced.

Description

Three-phase series reactor

Technical Field

The utility model relates to the technical field of reactors, in particular to a three-phase series reactor.

Background

In low-voltage systems below 1kV in most industrial sites, reactive compensation loops are often used in series with capacitors to achieve the effect of suppressing harmonics so as to reduce the influence of harmonic currents on the reactive compensation loops. However, the capacitor is often affected by harmonic current, closing inrush current and overvoltage in the reactive power compensation loop of the power transmission, and the capacitor of the power transmission equipment in the industrial field is easily damaged, so that a device for suppressing and absorbing part of harmonic waves of the power transmission equipment is needed to improve the reliability and stability of a power supply system, and the capacitor of the power transmission equipment is prevented from being damaged when the harmonic content of the power grid is large.

The three-phase series reactor comprises an anti-vibration base, wherein three coils are uniformly fixed on the anti-vibration base at intervals, core columns are fixedly arranged in the three coils, upper wiring boards are fixedly arranged on the inner walls of the single coils, lower wiring boards are fixedly arranged on the outer walls of the single coils, inverted L-shaped monitoring blocks are fixedly arranged on the top surface of the core column on one side and the side surface of the anti-vibration base, a monitoring box is fixedly arranged on the outer side end of the monitoring block, an anti-vibration sensor is fixedly arranged in the monitoring box, and a control processing unit is arranged adjacent to the anti-vibration sensor. The information checking method is simple and convenient to operate and high in practicability.

When in actual use, when the current is overlarge, the winding is scalded, and then the current is conducted to the iron core of the reactor, so that the iron core is damaged after serious heating, but three coils are uniformly and fixedly arranged on the vibration-resistant base at intervals, and the three coils are fixedly arranged in the core column.

Disclosure of Invention

The utility model aims at: in order to solve the problem that resources are wasted because the whole reactor needs to be disassembled and inspected and maintained when one iron core in the series iron core group is damaged in the direct fixing design mode, the utility model provides the three-phase series reactor.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a three-phase series reactor, includes the guard box, the inside interval of guard box evenly is provided with three coil, the inside of coil is all fixedly provided with stem, the inside interval of guard box evenly is provided with three dismouting subassembly, dismouting subassembly includes symmetrical fixed connection at the hangers of stem bottom, the inside one side fixedly connected with threaded rod of guard box, the one end fixedly connected with conflict piece of threaded rod, just the other end threaded connection of threaded rod has the nut, the hangers cover is established in the periphery of threaded rod, just the hangers is installed between conflict piece and nut, the inside bottom fixedly connected with slip table of guard box one, the bottom rotation of hangers is connected with the pulley, pulley sliding connection is in the inside of slip table one.

Through adopting above-mentioned technical scheme, when single coil breaks down, through unscrewing the nut, then manual traction coil removes along the length direction of screw rod to through the cooperation use of pulley and slip table one, make the inside roll-off of follow guard box that the coil can be relaxed, with this convenience is to single coil's maintenance of unpick and examine, has practiced thrift the maintenance resource, has reduced the maintenance degree of difficulty.

Further, the positive and negative poles of the coil are provided with wiring boards, a pair of junction boxes are mounted in the protection box, the wiring boards are connected with the junction boxes through wires, the integration ends of the junction boxes are inserted with integration wires, the insertion ports of the wiring boards and the junction boxes are filled with hot-melt wires, the junction ports are symmetrically formed in one end of the protection box, and the two integration wires penetrate through the junction ports respectively and are connected with an external electrical appliance.

Through adopting above-mentioned technical scheme, when the outside imported electric current is great, can make the wire between wiring board and the terminal box intensify, when the temperature risees to certain degree for the hot melt line between wiring board and the terminal box produces the fusing, and makes wiring board and terminal box disconnection, with this high temperature protection to the coil that realizes.

Further, an air outlet window is formed in the bottom of the protection box, an electric fan is fixedly connected inside the air outlet window, and air guide windows are formed in two sides of the protection box.

Through adopting above-mentioned technical scheme, at first start the electric fan and lead in the inside of guard box with outside air through the wind-guiding window, simultaneously with inside high temperature air follow the window of giving vent to anger exhaust under the effect of electric fan to this inside and outside air circulation who realizes the guard box, the convenient operating temperature who reduces the coil.

Further, the outer sides of the air guide window and the wiring port are fixedly connected with triangular rain covers.

Through adopting above-mentioned technical scheme, can reduce the inside that the rainwater got into the guard box through setting up triangle-shaped rain-proof cover, keep the dryness of coil, improved the life of reactor.

Further, a rubber sleeve is sleeved on the inner side of the wiring port.

Through adopting above-mentioned technical scheme, through setting up the rubber sleeve, can make the integration line pass when the wiring mouth, form soft contact with the rubber sleeve, reduced the wearing and tearing of integration line.

Further, the bottom fixedly connected with base of guard box, supporting component is installed to the bottom symmetry of base, supporting component includes the slip table second of fixed connection in the base bottom, the supporting legs is installed to the bottom of slip table second, the top fixedly connected with slider of supporting legs, slider sliding connection is inside slip table second.

Through adopting above-mentioned technical scheme, when the bottom of guard box is pressed close to ground installation, can be through the inside with the supporting legs card income slip table two for support the distance of high guard box of callus on the sole and ground, with this guard box bottom of preventing is sheltered from, has further improved the radiating effect of device.

Further, the bottom of the protection box is partly surrounded by a damping plate, the damping plate is fixedly connected with the base, and the damping plate is formed by overlapping a plurality of steel plates and rubber plates.

Through adopting above-mentioned technical scheme, through setting up the cooperation use of shock attenuation board and guard box for the vibrations that the reactor produced when the operation can transmit for the shock attenuation board, and use through the cooperation of rubber slab and steel sheet, absorb and alleviate the vibrations power that produces.

Further, the filter screen is fixedly connected to the inner side of the air guide window.

Through adopting above-mentioned technical scheme, through setting up the cooperation use of filter screen and guard box for when outside air gets into the inside of guard box through the wind-guiding window, receive the blocking and the filtration of integration line, reduced the influence of dust to the coil.

In summary, the present utility model includes at least one of the following beneficial effects:

1. when a single coil breaks down, the screw cap is unscrewed, then the coil is manually pulled to move along the length direction of the threaded rod, and the coil is matched with the first sliding table through the pulley, so that the coil can easily slide out of the inside of the protection box, the single coil can be conveniently disassembled and inspected for maintenance, maintenance resources are saved, and maintenance difficulty is reduced.

2. Firstly, the electric fan is started to guide external air into the protection box through the air guide window, and meanwhile, the internal high-temperature air is discharged from the air outlet window under the action of the electric fan, so that the internal and external air circulation of the protection box is realized, and the working temperature of the coil is conveniently reduced.

Drawings

Fig. 1 is a schematic perspective view of a device body according to the present utility model.

Fig. 2 is a schematic view of the structure of the support assembly according to the present utility model.

Fig. 3 is a schematic view of the internal structure of the protective case of the present utility model.

Fig. 4 is an exploded view of the removable assembly of the present utility model.

Fig. 5 is a schematic view of a part of the structure in the present utility model.

Fig. 6 is a schematic view of the structure of the hot melt wire of the present utility model.

Fig. 7 is a schematic view of the structure of the triangular rain cover of the present utility model.

Reference numerals illustrate:

1. a protection box; 2. a coil; 3. a stem; 4. disassembling and assembling the assembly; 5. a wiring board; 6. a junction box; 7. an integration line; 8. a hot melt wire; 9. a wiring port; 10. an electric fan; 11. a wind guide window; 12. triangular rain cover; 13. a rubber sleeve; 14. a base; 15. a support assembly; 16. a shock absorbing plate; 17. a filter screen; 41. hanging lugs; 42. a threaded rod; 43. a collision block; 44. a screw cap; 45. a sliding table I; 46. a pulley; 151. a sliding table II; 152. supporting feet; 153. a sliding block.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-7.

The embodiment of the utility model discloses a three-phase series reactor.

Referring to fig. 1 and 2, a three-phase series reactor comprises a protection box 1, wherein a base 14 is fixedly connected to the bottom of the protection box 1, support assemblies 15 are symmetrically arranged at the bottom of the base 14, each support assembly 15 comprises a second sliding table 151 fixedly connected to the bottom of the base 14, supporting feet 152 are arranged at the bottom of the second sliding table 151, sliding blocks 153 are fixedly connected to the tops of the supporting feet 152, and the sliding blocks 153 are slidably connected inside the second sliding table 151. Firstly, one end of the sliding block 153 is manually embedded into the second sliding table 151, then the supporting leg 152 is pushed along the inner wall of the second sliding table 151, so that the sliding block 153 is completely embedded into the second sliding table 151, and the sliding block 153 is arranged at the bottom of the base 14, therefore, in an area easy to be on the back tide, the distance between the protection box 1 and the ground can be increased by replacing the supporting leg 152 with a larger size, the coil 2 is prevented from being corroded by moisture, meanwhile, the protection box 1 is increased, and the air circulation inside the protection box 1 can be facilitated.

Referring to fig. 1, 3 and 4, three coils 2 are uniformly arranged at the inner space of the protection box 1, core columns 3 are fixedly arranged in the coils 2, three dismounting components 4 are uniformly arranged at the inner space of the protection box 1, each dismounting component 4 comprises a hanging lug 41 symmetrically and fixedly connected to the bottom of the core column 3, a threaded rod 42 is fixedly connected to one side of the inner part of the protection box 1, one end of the threaded rod 42 is fixedly connected with a collision block 43, a nut 44 is connected to the other end of the threaded rod 42 in a threaded manner, the hanging lug 41 is sleeved on the periphery of the threaded rod 42, the hanging lug 41 is arranged between the collision block 43 and the nut 44, a sliding table 45 is fixedly connected to the inner bottom end of the protection box 1, a pulley 46 is rotatably connected to the bottom of the hanging lug 41, and the pulley 46 is slidably connected to the inner part of the sliding table 45. Firstly, the hanging lug 41 is sleeved at one end of the threaded rod 42, the pulley 46 is embedded into the first sliding table 45, then the coil 2 is pushed along the length direction of the first sliding table 45, one side of the hanging lug 41 is abutted against the abutting block 43, and then the nut 44 is screwed, so that the fixed installation of the single coil 2 is completed. Similarly, the nut 44 is withdrawn from one end of the threaded rod 42 by unscrewing the nut 44, and then the coil 2 is manually pulled along the length direction of the slide table 45 to slide out of the interior of the protection box 1, thereby completing the disassembly of the individual coils 2.

Referring to fig. 3 and 5, a filter screen 17 is fixedly connected to the inner side of the air guide window 11. When outside air passes through the wind guide window 11, the outside air is intercepted and filtered by the filter screen 17, so that dust in the air is intercepted by the filter screen 17 outside the protection box 1, and the dust is reduced from entering the inside of the protection box 1.

Referring to fig. 2 and 6, the positive and negative poles of the single coil 2 are provided with a wiring board 5, a pair of junction boxes 6 are installed inside the protection box 1, the wiring board 5 is connected with the junction boxes 6 through wires, the integration ends of the junction boxes 6 are inserted with integration wires 7, the insertion ports of the wiring board 5 and the junction boxes 6 are filled with hot melt wires 8, one end of the protection box 1 is symmetrically provided with wiring ports 9, and the two integration wires 7 respectively penetrate through the wiring ports 9 to be connected with an external electrical appliance. Firstly, through setting up the cooperation use of terminal plate 5 to terminal box 6, integrate the positive pole of a plurality of coils 2, be connected with outside electrical apparatus through setting up integration line 7 simultaneously, when the electric current that gets into coil 2 is great, can make the wire of connection generate heat to influence conduction efficiency, simultaneously when wire temperature is high with certain limit, can make hot melt line 8 be heated and fuse to make disconnection between terminal plate 5 and the terminal box 6, with this high temperature protection to the coil 2 of accomplishing.

Referring to fig. 1, 3 and 5, an air outlet window is formed in the bottom of the protection box 1, an electric fan 10 is fixedly connected to the inside of the air outlet window, and air guide windows 11 are formed in two sides of the protection box 1. The high-temperature air generated in the protection box 1 is discharged from the air outlet window by starting the electric fan 10, and meanwhile, the external air is sucked into the protection box 1 through the air guide window 11, so that the circulation of the air inside and outside the protection box 1 is realized, and the working temperature of the coil 2 is reduced.

Referring to fig. 1 and 5, a rubber sleeve 13 is fitted inside the junction port 9. When one end of the integration line 7 passes through the wiring port 9 to be connected with an external electric appliance, the integration line 7 is protected by the rubber sleeve 13, the integration line 7 is prevented from being cracked by the protection box 1, and abrasion of the integration line 7 is reduced.

Referring to fig. 1, 5 and 7, triangular rain covers 12 are fixedly connected to the outer sides of the air guide window 11 and the wiring port 9. The triangular rain cover 12 is arranged to cover and redirect the opening of the air guide window 11, so that the opening of the air guide window 11 faces downwards, rainwater is prevented from entering the inside of the protection box 1 through the air guide window 11, and the inside of the protection box 1 is kept dry.

Referring to fig. 1 and 3, the bottom of the protection case 1 is semi-surrounded with a shock-absorbing plate 16, the shock-absorbing plate 16 is fixedly connected with the base 14, and the shock-absorbing plate 16 is formed by overlapping a plurality of steel plates and rubber plates. The bottom of the protection box 1 is supported by the damping plate 16, vibration can be generated when an electric device inside the protection box 1 works, the vibration is transmitted to the damping plate 16 through the protection box 1, and the vibration force is absorbed and slowed down through the rubber plate matched with the steel plate, so that the vibration generated by the reactor is reduced, and the stability of the reactor is improved.

The implementation principle of the three-phase series reactor in this embodiment is as follows: firstly, one end of the sliding block 153 is manually embedded into the second sliding table 151, then the supporting leg 152 is pushed along the inner wall of the second sliding table 151, so that the sliding block 153 is completely embedded into the second sliding table 151, and the sliding block 153 is arranged at the bottom of the base 14, therefore, in an area easy to be on the back tide, the distance between the protection box 1 and the ground can be increased by replacing the supporting leg 152 with a larger size, the coil 2 is prevented from being corroded by moisture, meanwhile, the protection box 1 is increased, and the air circulation inside the protection box 1 can be facilitated. Then when single coil 2 breaks down, through unscrewing nut 44, then manual traction coil 2 moves along the length direction of threaded rod 42 to through the cooperation use of pulley 46 and slip table one 45, make coil 2 can be light follow guard box 1 inside roll-off, with this convenience to single coil 2's maintenance of unpeeing. When the externally introduced current is large, the temperature of the wires between the wiring board 5 and the wiring box 6 is raised, and when the temperature is raised to a certain degree, the thermal fuse 8 between the wiring board 5 and the wiring box 6 is fused, and the wiring board 5 is disconnected from the wiring box 6, so that the high-temperature protection of the coil 2 is realized. Then, the electric fan 10 is started to guide external air into the protection box 1 through the air guide window 11, and meanwhile, high-temperature air in the protection box 1 is discharged from the air outlet window under the action of the electric fan 10, so that the internal and external air circulation of the protection box 1 is realized, and the working temperature of the coil 2 is conveniently reduced. Through setting up the cooperation of shock attenuation board 16 and guard box 1 and using for the vibrations that the reactor produced when the operation can transmit shock attenuation board 16, and through the cooperation of rubber slab and steel sheet use, absorb and alleviate the vibrations power that produces.

Claims (8)

1. The utility model provides a three-phase series reactor, includes guard box (1), its characterized in that: the inside interval of guard box (1) evenly is provided with three coil (2), the inside of coil (2) is all fixed and is provided with stem (3), the inside interval of guard box (1) evenly is provided with three dismouting subassembly (4), dismouting subassembly (4) are including symmetrical fixed connection hangers (41) in stem (3) bottom, inside one side fixedly connected with threaded rod (42) of guard box (1), the one end fixedly connected with of threaded rod (42) is contradicted piece (43), just the other end threaded connection of threaded rod (42) has nut (44), the periphery at threaded rod (42) is established to hangers (41) cover, just hangers (41) are installed between contradicting piece (43) and nut (44), the inside bottom fixedly connected with slip table one (45) of guard box (1), the bottom rotation of hangers (41) is connected with pulley (46), pulley (46) sliding connection is in the inside of a slip table (45).

2. A three-phase series reactor according to claim 1, characterized in that: the utility model discloses a protection box, including coil (2), protection box, terminal box (1), terminal box (6), wire connection, integration end grafting of terminal box (6) has integration line (7), the grafting mouth of terminal box (5) and terminal box (6) is filled with hot melt line (8), wiring mouth (9) have been seted up to the symmetry of one end of protection box (1), two integration line (7) pass wiring mouth (9) respectively and are connected with external electrical apparatus.

3. A three-phase series reactor according to claim 1, characterized in that: the bottom of the protection box (1) is provided with an air outlet window, an electric fan (10) is fixedly connected inside the air outlet window, and air guide windows (11) are respectively arranged on two sides of the protection box (1).

4. A three-phase series reactor according to claim 3, characterized in that: the outer sides of the air guide window (11) and the wiring port (9) are fixedly connected with triangular rain covers (12).

5. A three-phase series reactor according to claim 2, characterized in that: the inner side of the wiring port (9) is sleeved with a rubber sleeve (13).

6. A three-phase series reactor according to claim 1, characterized in that: the bottom fixedly connected with base (14) of guard box (1), supporting component (15) are installed to the bottom symmetry of base (14), supporting component (15) are including slip table two (151) of fixed connection in base (14) bottom, supporting legs (152) are installed to the bottom of slip table two (151), the top fixedly connected with slider (153) of supporting legs (152), slider (153) sliding connection is inside slip table two (151).

7. A three-phase series reactor according to claim 6, characterized in that: the bottom of the protection box (1) is semi-surrounded with a damping plate (16), the damping plate (16) is fixedly connected with the base (14), and the damping plate (16) is formed by overlapping a plurality of steel plates and rubber plates.

8. A three-phase series reactor according to claim 3, characterized in that: the inner side of the air guide window (11) is fixedly connected with a filter screen (17).