CN223334413U - A load switch for reactive power compensation device - Google Patents

Abstract

The utility model discloses a load switch for a reactive compensation device, which belongs to the technical field of load switches. It comprises an outer shell, a circuit breaker is provided at the outer end of the outer shell, two fixing plates are fixedly connected to the outer side of the outer shell, a plurality of wiring components are provided between the two fixing plates, and a limiting component is provided inside the plurality of wiring components. Three wiring components are provided at the tail of the outer shell, and a limiting component is installed on the mounting hole in each wiring component. The wiring component is mainly used to clamp the exposed part of the wire, and the limiting component is used to clamp the outer skin of the wire. When wiring, it is only necessary to press the pressing block and pull the movable shaft upward to extend the stripped part of the wire into the mounting hole. After releasing the hand, the wire is clamped between the limiting protrusion and the connecting frame by the elastic force of the shrapnel, and the outer skin of the wire will be clamped between the limiting pressure plate and the limiting pressure strip. The installation method of direct clamping after insertion eliminates the step of screwing screws, thereby saving installation time.

Description

Load switch of reactive compensation device

Technical Field

The utility model relates to the technical field of load switches, in particular to a load switch of a reactive compensation device.

Background

The load switch of the reactive compensation device is used for controlling the on and off of the reactive compensation device, is usually used in a power system, and is used for compensating reactive power in a power grid so as to improve the power factor of the system, reduce line loss, improve the stability of the power grid and the like.

The patent of chinese patent publication No. CN218676860U discloses a solid-state switch, through setting up louvre, protection casing, fan and flabellum, be provided with detector and temperature sensor in solid-state switch body inside, can carry out real-time supervision to the temperature that the inside components and parts of solid-state switch body produced, the temperature sensor who sets up will control the start-stop of fan, when temperature sensor detects the temperature be higher than the setting value, will drive the fan through temperature sensor, when temperature sensor detects the temperature be less than the setting value, stop the control fan, and simple structure, the radiating effect is good, still possess green saving electricity's efficiency.

The solid-state on-off switch just needs to be wired when the installation, and the solid-state on-off switch wiring end in above-mentioned scheme is the mode that the screw was used to the tradition, uses the screw to fix the electric wire and need screw up the screw, and this process is comparatively loaded down with trivial details relatively, needs more time to accomplish, especially when installing on a large scale, can increase operating time and labour cost, and vibration or other external force's influence simultaneously, screw connection appears not hard up easily, leads to the wiring insecure, easily causes the contact failure.

It is necessary to provide a load switch for a reactive compensation device to solve the above problems.

Disclosure of utility model

The utility model provides a load switch of a reactive compensation device, which can improve the defects that the use of screws to fix wires is complicated and the screws need to be screwed down in the related technology, the working time and the labor cost can be increased during large-scale installation, meanwhile, the influence of vibration or other external force is caused, the screw connection is easy to loosen, the wiring is not firm, and poor contact is easy to cause.

The embodiment of the application provides a load switch of a reactive compensation device, which comprises an outer shell, wherein a circuit breaker is arranged at the outer end of the outer shell, two fixing plates are fixedly connected to the outer side of the outer shell, a plurality of wiring assemblies are arranged between the two fixing plates, limiting assemblies are arranged in the wiring assemblies, a communication port is arranged at the outer end of the outer shell, a main control device is arranged in the outer shell, the wiring assemblies comprise a main shell and an auxiliary shell, the main shell and the auxiliary shell are fixedly arranged at the outer side of the outer shell and are detachably connected, a connecting frame is arranged in the main shell, a pressing plate is arranged at the outer end of the connecting frame, a mounting hole is formed in the outer end of the main shell, the limiting assemblies are arranged in the mounting hole, the limiting assemblies comprise movable shafts, limiting pressing plates are fixedly connected to the bottom ends of the movable shafts, telescopic springs are sleeved at the outer ends of the movable shafts, and the movable shafts penetrate through the side walls of the mounting hole.

The technical scheme of the embodiment of the application has the advantages that the tail part of the outer shell is provided with the three wiring components, each wiring component is provided with the limiting component on the mounting hole in the corresponding wiring component, the wiring components are mainly used for clamping exposed parts of wires, the limiting components are used for clamping positions of wire sheaths, when wiring, only the pressing block is needed to be pressed and the movable shaft is lifted upwards, the peeled parts of the wires extend into the mounting holes, the wires are clamped between the limiting convex blocks and the connecting frame through the elasticity of the elastic sheets after the hands are loosened, the wire sheaths are clamped between the limiting pressing plates and the limiting pressing strips, and the mounting mode of direct clamping after insertion is adopted, so that the step of screwing screws is omitted, and the mounting time is saved.

In some embodiments, a plurality of indicator lamps are disposed at the outer end of the housing, and a plurality of heat dissipation holes are disposed at the outer end of the housing.

In some embodiments, a first bolt and a second bolt are fixedly connected to the inside of the main housing respectively, the first bolt penetrates through the pressing plate, the pressing plate is rotationally connected with the first bolt, and the second bolt and the first bolt penetrate through the auxiliary housing and extend to the outside.

In some embodiments, the top of the pressing plate penetrates through the main casing, the pressing block is fixedly connected to the top of the pressing plate, the elastic sheet is fixedly connected to the inner side of the connecting frame and is in a U-shaped arrangement, and the outer end of the elastic sheet is fixedly connected with a plurality of limiting protruding blocks.

In some embodiments, the outer end of the elastic piece is fixedly connected with a clamping block, the outer end of the pressing plate is provided with a clamping groove, the clamping groove is matched with the clamping block, the bottom end of the connecting frame is fixedly connected with two connectors, and the connecting frame, the elastic piece, the connectors and the limiting protruding blocks are made of metal copper materials.

In some embodiments, the limiting assembly further comprises a sleeve, the sleeve is fixedly mounted at the top end of the main shell, the movable shaft penetrates through the sleeve, a fixed block is fixedly connected to the outer end of the movable shaft, the fixed block is slidably connected with the inner side wall of the sleeve, and the bottom end of the telescopic spring is fixedly connected with the fixed block.

In some embodiments, the limiting assembly further comprises a plurality of limiting pressing strips, the limiting pressing strips and the limiting pressing plates are all arc-shaped, the limiting pressing strips are fixedly mounted on the inner side walls of the mounting holes, and the limiting pressing plates are located above the limiting pressing strips.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first overall structure of the present utility model;

FIG. 2 is a schematic diagram of a second overall structure of the present utility model;

FIG. 3 is a schematic view of a wiring assembly according to the present utility model;

FIG. 4 is a schematic view of the structure of the wiring assembly and the spacing assembly of the present utility model;

FIG. 5 is a schematic view of an exploded view of the wiring assembly of the present utility model;

FIG. 6 is a schematic view of a partial exploded view of a wiring assembly of the present utility model;

fig. 7 is an exploded view of the spacing assembly of the present utility model.

The reference numerals in the figures illustrate:

1. An outer housing;

2. a circuit breaker;

3. An indicator light;

4. a heat radiation hole;

5. The wire connecting assembly comprises a wire connecting assembly, a main shell, a 52, a subsidiary shell, a 53, a first bolt, a 54, a second bolt, a 55, a pressing plate, a 56, a connecting frame, a 57, a pressing block, a 58, a spring plate, a 59, a limiting lug, a 510, a connector, 511, a clamping block, 512, a clamping groove, 513 and a mounting hole;

6. A fixing plate;

7. A limit component; 71, a movable shaft, 72, a sleeve, 73, a fixed block, 74, a telescopic spring, 75, a limiting pressing plate, 76 and a limiting pressing bar;

8. a communication port;

9. and a master control device.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, and the terms used herein are for the purpose of describing particular embodiments only and are not intended to limit the application. The terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

The load switch of the reactive power compensation device is used for controlling the opening and closing of the reactive power compensation device, is usually used in a power system, the reactive power compensation device is used for compensating reactive power in a power grid so as to improve the power factor of the system, reduce line loss, the load switch is used for monitoring current flow in a circuit, when the current exceeds a set rated value, the load switch can automatically trip, wiring is needed when the load switch is installed, a traditional mode of fixing the wire by using a screw is adopted, the screw is needed to be screwed by using the screw to fix the wire, the process is relatively complicated, more time is needed to be completed, and especially when the process is installed on a large scale, the working time and the labor cost are increased, meanwhile, the influence of vibration or other external force is caused, the screw connection is easy to loose, the wiring is unstable, and poor contact is easy to be caused

Based on this, can improve the use screw fixed wire that exists among the relevant technique and need screw down comparatively loaded down with trivial details, when large-scale installation, can increase operating time and labour cost, vibration or other external force's influence simultaneously, screw connection appears becoming flexible easily, leads to the wiring insecure, easily causes the contact failure.

Referring to fig. 1-7, a load switch of a reactive compensation device includes an outer shell 1, the outer end of the outer shell 1 is provided with a circuit breaker 2, two fixing plates 6 are fixedly connected to the outer side of the outer shell 1, a plurality of wiring components 5 are arranged between the two fixing plates 6, a limit component 7 is arranged inside the wiring components 5, a communication port 8 is arranged at the outer end of the outer shell 1, a main control device 9 is arranged inside the outer shell 1, the wiring components 5 include a main shell 51 and an auxiliary shell 52, the main shell 51 and the auxiliary shell 52 are fixedly installed outside the outer shell 1, the main shell 51 is detachably connected with the auxiliary shell 52, a connecting frame 56 is arranged inside the main shell 51, a pressing plate 55 is arranged at the outer end of the connecting frame 56, a mounting hole 513 is formed in the outer end of the main shell 51, the limit component 7 is arranged inside the mounting hole 513, the limit component 7 includes a movable shaft 71, a limit pressing plate 75 is fixedly connected to the bottom end of the movable shaft 71, a telescopic spring 74 is sleeved at the outer end of the movable shaft 71, and the shaft 71 penetrates through the side wall of the mounting hole 513.

The outer end of the outer shell 1 is provided with a plurality of indicator lamps 3, and the outer end of the outer shell 1 is provided with a plurality of heat dissipation holes 4.

The device is a part of reactive compensation device, which is mainly used for monitoring the current flowing in a circuit, and is disconnected when the current exceeds a set rated value, so that the reactive compensation device stops working, a main control device 9 is arranged in an outer shell 1, the main control device 9 mainly consists of a communication and monitoring device, a communication port 8 arranged at the tail part of the outer shell 1 is used for being matched with the main control device 9 to be externally connected with the communication device, the main control device 9 can exchange information and transmit data with a measurement and control instrument or an upper monitoring system through the communication port 8, remote monitoring and management are realized, the running state of the reactive power compensation system is adjusted in time, a breaker 2 is connected with the main control device 9, the breaker 2 is mainly a control circuit switch, a plurality of indicator lamps 3 are further arranged at the outer end of the outer shell 1, mainly comprises a power supply, A phase, B phase and C phase indicating lamps, a plurality of indicating lamps 3 are also connected with a main control device 9 for matching, a heat dissipation hole 4 is arranged at the outer end of the outer shell 1 and mainly used for dissipating heat in the outer shell and improving the stability in long-time operation, two fixing plates 6 are fixed at the wiring position at the tail part of the outer shell 1, three wiring components 5 are arranged between the two fixing plates 6, a limit component 7 is arranged on a mounting hole 513 in each wiring component 5, the wiring components 5 are mainly used for clamping exposed parts of wires, the limit component 7 is used for clamping the positions of wire sheaths, only a pressing block 57 and an upward lifting movable shaft 71 are needed during wiring, the wire peeling part stretches into the mounting hole 513, the wire is clamped between a limit lug 59 and a connecting frame 56 through the elasticity of an elastic sheet 58 after the wire peeling, the wire sheath then can press from both sides between spacing clamp plate 75 and spacing layering 76, and traditional screw mode of connection needs to screw up the screw with the screwdriver, and this scheme inserts the mounting means of back direct clamp, has saved the step of screwing up the screw to save installation time, can also ensure the steadiness of wiring better, reduce because the potential safety hazard that the contact is bad or the connection is not hard up leads to, thereby improved electrical system's security.

Alternatively, in some embodiments, referring to fig. 3-6, a first latch 53 and a second latch 54 are fixedly connected to the inside of the main housing 51, the first latch 53 penetrates through a pressing plate 55, the pressing plate 55 is rotatably connected to the first latch 53, and the second latch 54 and the first latch 53 penetrate through the sub-housing 52 and extend to the outside.

The top of the pressing plate 55 penetrates through the main shell 51, the pressing block 57 is fixedly connected to the top of the pressing plate 55, the elastic sheet 58 is fixedly connected to the inner side of the connecting frame 56, the elastic sheet 58 is U-shaped, and the outer end of the elastic sheet 58 is fixedly connected with the limiting protruding blocks 59.

The outer end of the spring plate 58 is fixedly connected with a clamping block 511, the outer end of the pressing plate 55 is provided with a clamping groove 512, the clamping groove 512 is matched with the clamping block 511, the bottom end of the connecting frame 56 is fixedly connected with two connectors 510, and the connecting frame 56, the spring plate 58, the connectors 510 and the limiting protruding blocks 59 are all made of metal copper materials.

In the scheme, three wiring components 5 are connected with each other, a first bolt 53 and a second bolt 54 are respectively fixed in the main shell 51, the first bolt 53 and the second bolt 54 penetrate through the auxiliary shell 52, the additional part is exposed outside, two matched through holes are formed on the outer side of the main shell 51, a plurality of wiring components 5 can be connected with each other by inserting the first bolt 53 and the second bolt 54 into the through holes on the main shell 51, the main shell 51 and the auxiliary shell 52 are detachably connected with each other through buckles, a connecting frame 56 and a pressing plate 55 are also arranged in the main shell 51, an elastic sheet 58 is fixed on the inner side of the connecting frame 56, and because the elastic sheet 58 is U-shaped, the first bolt 53 can penetrate through the middle of the elastic sheet 58 first and then penetrate through the pressing plate 55, so that the pressing plate 55 can rotate by taking the first bolt 53 as a rotating shaft, the pressing plate 55 extends to the outside through the top of the main casing 51, meanwhile, the part extending out is fixed with a pressing block 57, the pressing block 57 is obliquely arranged, two connectors 510 fixed at the bottom end of the connecting frame 56 are mainly used for being connected with the main control device 9 in the outer casing 1, a clamping block 511 is also fixed at the outer end of the elastic sheet 58, the pressing plate 55 is provided with a clamping groove 512, the clamping block 511 is positioned in the clamping groove 512, the elastic sheet 58, the connecting frame 56, the connectors 510, the limiting protruding blocks 59 and the clamping block 511 are all made of metal copper, so that the electric wire is conductive and has certain elasticity, the plurality of limiting protruding blocks 59 fixedly arranged on the elastic sheet 58 are mainly used for increasing friction force, the pressing block 57 is firstly required to be pressed downwards during installation, the pressing plate 55 is downwards rotated, the clamping groove 512 is pressed against the clamping block 511, the elastic sheet 58 is downwards bent, and then one peeled end of the electric wire extends into the installation hole 513, until the spacing bump 59 and the connection frame 56 are inserted, the elastic force of the elastic sheet 58 is reset after the hand is loosened, so that the elastic sheet 58 and the connection frame 56 clamp the elastic sheet, the step of screwing screws is omitted, and the installation time is saved.

Optionally, in some embodiments, referring to fig. 7, the limiting assembly 7 further includes a sleeve 72, the sleeve 72 is fixedly mounted on the top end of the main housing 51, the movable shaft 71 penetrates the sleeve 72, the outer end of the movable shaft 71 is fixedly connected with a fixed block 73, the fixed block 73 is slidably connected with the inner side wall of the sleeve 72, and the bottom end of the telescopic spring 74 is fixedly connected with the fixed block 73.

The limiting assembly 7 further comprises a plurality of limiting pressing strips 76, the limiting pressing strips 76 and the limiting pressing plates 75 are all in arc-shaped arrangement, the limiting pressing strips 76 are fixedly mounted on the inner side walls of the mounting holes 513, and the limiting pressing plates 75 are located above the limiting pressing strips 76.

A plurality of limit pressing strips 76 are fixed in a mounting hole 513 on the main shell 51, the limit pressing strips 76 are located at the bottom of the mounting hole 513, a limit pressing plate 75 is arranged above the limit pressing strips 76, a movable shaft 71 is fixed at the outer end of the limit pressing plate 75, the movable shaft 71 extends to the outside all the way through a sleeve 72 and the mounting hole 513, the sleeve 72 is fixed at the top of the main shell 51, a telescopic spring 74 and a fixed block 73 are sleeved at the outer end of the movable shaft 71, the telescopic spring 74 and the fixed block 73 are located in the sleeve 72, the limit pressing plate 75 can be upwards far away from the limit pressing strips 76 by pulling the movable shaft 71 upwards, after an electric wire stretches into the mounting hole 513, the movable shaft 71 can be loosened, the fixed block 73 can be downwards pushed by the acting force of the telescopic spring 74, the movable shaft 71 drives the limit pressing plate 75 to reset, the outer cover of the electric wire is extruded together with the limit pressing strips 76, the electric wire is clamped and limited together with the wiring assembly 5, and the stability of fixing is improved.

When the device needs to be used for wiring, firstly, the wire needs to be peeled, then the movable shaft 71 is pulled upwards, meanwhile, the pressing block 57 is pressed downwards, the pressing plate 55 is rotated downwards, then the clamping groove 512 presses the clamping block 511, the elastic sheet 58 is bent downwards, then one peeled end of the wire stretches into the mounting hole 513 until being inserted between the limiting convex block 59 and the connecting frame 56, the elastic sheet 58 and the connecting frame 56 clamp the wire after the pressing block 57 is loosened, then the movable shaft 71 is loosened, the fixed block 73 can be pushed downwards by the acting force of the telescopic spring 74, the movable shaft 71 drives the limiting pressing plate 75 to reset, the outer skin of the wire is extruded together with the limiting pressing bar 76, the wire is clamped and limited together with the wiring assembly 5, and the mounting mode of direct clamping after insertion is omitted, so that the step of screwing is omitted, and the mounting time is saved.

The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. The load switch of the reactive compensation device comprises an outer shell (1) and is characterized in that a circuit breaker (2) is arranged at the outer end of the outer shell (1), two fixing plates (6) are fixedly connected to the outer side of the outer shell (1), a plurality of wiring assemblies (5) are arranged between the two fixing plates (6), limiting assemblies (7) are arranged inside the wiring assemblies (5), a communication port (8) is arranged at the outer end of the outer shell (1), and a main control device (9) is arranged inside the outer shell (1);

The wiring assembly (5) comprises a main shell (51) and an auxiliary shell (52), wherein the main shell (51) and the auxiliary shell (52) are fixedly arranged on the outer side of the outer shell (1), the main shell (51) is detachably connected with the auxiliary shell (52), a connecting frame (56) is arranged in the main shell (51), a pressing plate (55) is arranged at the outer end of the connecting frame (56), a mounting hole (513) is formed in the outer end of the main shell (51), and the limiting assembly (7) is arranged in the mounting hole (513);

limiting component (7) are including loose axle (71), loose axle (71) bottom fixedly connected with limiting pressing plate (75), loose axle (71) outer pot head is equipped with expansion spring (74), loose axle (71) run through mounting hole (513) lateral wall.

2. The load switch of the reactive power compensation device according to claim 1, wherein a plurality of indicator lamps (3) are arranged at the outer end of the outer shell (1), and a plurality of heat dissipation holes (4) are formed at the outer end of the outer shell (1).

3. The load switch of a reactive compensation device according to claim 1, wherein a first bolt (53) and a second bolt (54) are fixedly connected to the inside of the main housing (51), the first bolt (53) penetrates through the pressing plate (55), the pressing plate (55) is rotatably connected with the first bolt (53), and the second bolt (54) and the first bolt (53) penetrate through the auxiliary housing (52) and extend to the outside.

4. The load switch of a reactive power compensation device according to claim 3, wherein the top of the pressing plate (55) penetrates through the main shell (51), the pressing block (57) is fixedly connected to the top of the pressing plate (55), the elastic sheet (58) is fixedly connected to the inner side of the connecting frame (56), the elastic sheet (58) is arranged in a U shape, and a plurality of limit bumps (59) are fixedly connected to the outer end of the elastic sheet (58).

5. The load switch of the reactive power compensation device of claim 4, wherein the outer end of the elastic piece (58) is fixedly connected with a clamping block (511), the outer end of the pressing plate (55) is provided with a clamping groove (512), the clamping groove (512) is matched with the clamping block (511), the bottom end of the connecting frame (56) is fixedly connected with two connectors (510), and the connecting frame (56), the elastic piece (58), the connectors (510) and the limiting protruding blocks (59) are made of metal copper materials.

6. The load switch of a reactive compensation device according to claim 1, wherein the limiting assembly (7) further comprises a sleeve (72), the sleeve (72) is fixedly installed at the top end of the main shell (51), the movable shaft (71) penetrates through the sleeve (72), a fixed block (73) is fixedly connected to the outer end of the movable shaft (71), the fixed block (73) is slidably connected with the inner side wall of the sleeve (72), and the bottom end of the telescopic spring (74) is fixedly connected with the fixed block (73).

7. The load switch of a reactive power compensation device according to claim 6, wherein the limiting assembly (7) further comprises a plurality of limiting press strips (76), the limiting press strips (76) and the limiting press plates (75) are all arranged in an arc shape, the limiting press strips (76) are fixedly installed on the inner side walls of the installation holes (513), and the limiting press plates (75) are located above the limiting press strips (76).