CN218770736U

CN218770736U - A pull-out type unit and reactive compensation cabinet for reactive compensation cabinet

Info

Publication number: CN218770736U
Application number: CN202223180018.3U
Authority: CN
Inventors: 刘佳冬; 童廷耀; 王杰
Original assignee: Zhejiang Wantai Power Automation Technology Co ltd
Current assignee: Zhejiang Wantai Power Automation Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-28
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to an overhaul convenient, safe, can swiftly change damage compensation module, cubical switchboard transport convenient, the easy pull-out type unit and the reactive compensation cabinet that are used for the reactive compensation cabinet of promoting. The technical scheme adopted comprises the following steps: the utility model provides a set up the drawer on the guide rail of relative guide rail and slidable that sets up, the drawer is including the relative curb plate that sets up, connect in a set of general components and parts mounting plate of curb plate bottom, connect in the general components and parts mounting panel of curb plate front end and connect in the back connecting plate of curb plate rear end, general components and parts mounting plate is used for installing reactor, condenser through a set of modulus hole, general components and parts mounting panel is used for installing blend switch through the installing port, is used for installing female row fixation clamp through the mounting hole, female row fixation clamp is used for fixed female arranging once, general components and parts mounting panel both sides still are equipped with the handle.

Description

A pull-out type unit and reactive compensation cabinet for reactive compensation cabinet

Technical Field

The utility model belongs to the power equipment field, concretely relates to pull-out type unit and reactive compensation cabinet for reactive compensation cabinet.

Background

The low-voltage reactive compensation cabinet is widely applied to industries such as metallurgy, mines, building materials, petrifaction, water supply and drainage and the like, improves the power factor, reduces the line loss, saves energy, stabilizes voltage and improves the operation quality of a power grid. In the field of low-voltage switch cabinet equipment of an electric power system, a compensation cabinet is one of low-voltage switch cabinets, can be intensively compensated with a combined cabinet such as a low-voltage side wiring cabinet, a feed cabinet, a connection cabinet and the like of a distribution transformer, can also be independently moved to a specified place to be connected with a motor or high-power equipment in parallel, and is dispersedly compensated in situ by simultaneously switching and switching the control and protection device of the compensation cabinet and the motor.

Various electrical components of a low-voltage reactive compensation cabinet in the current market are fixedly installed on different installation beams and installation plates in the cabinet, generally, an isolating switch fuse set, a bus bar, a fuse, a compound switch, a capacitor contactor, a reactor, a capacitor, a lightning arrester, a controller, an indicator light, a button, a connecting wire, a wiring terminal and the like are installed at scattered positions, one wire and two connected wires are criss-cross, the requirement on the space in the cabinet is higher, the capacity increase of equipment is also difficult, the strength requirement on installation support beams of components with larger quality such as the reactor and the like is higher, and reliable separation is not available among loops.

The compensation cabinet is parallelly connected with motor or high-power equipment and carries out the scattered compensation on the spot, removes to appointed place, need lift by crane equipment or transport fork truck, and more manpower is transported when no equipment, wastes time and energy.

In order to solve the problems, modular drawer type capacitance compensation cabinets appear in the market, most of the modular drawer type capacitance compensation cabinets are improved from PCC and MCC drawer unit modules of drawer type low-voltage switch cabinets, a separation metal plate is arranged between the modules, a primary connector is connected with a vertical copper bar in a pull-plug mode, the drawer unit is pushed and shaken out by a pushing mechanism and a guide accessory which are arranged on the front portion of the drawer unit, the effective space in the drawer is small, the requirements of component installation and heat dissipation during large-capacity compensation cannot be met, the product cost is high, the structure is complex, the applicability is not strong, and the modular drawer type capacitance compensation cabinets are difficult to popularize in the market.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a draw-out type unit and reactive compensation cabinet for reactive compensation cabinet that overhaul convenience, safety, ability swiftly change damage compensation module, cubical switchboard transport convenience, easily promote.

In order to solve the above problem, the utility model discloses a technical scheme include: the relative guide rail that sets up and slidable set up drawer on the guide rail, its characterized in that: the drawer includes the relative curb plate that sets up, connect in a set of general components and parts mounting plate of curb plate bottom, connect in the general components and parts mounting panel of curb plate front end and connect in the back connecting plate of curb plate rear end, general components and parts mounting plate is used for installing reactor, condenser through a set of modulus hole, general components and parts mounting panel is used for installing blend switch through the installing port, is used for installing female fixation clamp of arranging through the mounting hole, female fixation clamp of arranging is used for fixed female arranging once, general components and parts mounting panel both sides still are equipped with the handle.

The draw-out type unit for the reactive power compensation cabinet is characterized in that: and a door lock device is arranged on one side of the universal component mounting panel.

The draw-out type unit for the reactive power compensation cabinet is characterized in that: the side plates are arranged on the guide rail grooves of the guide rail in a sliding mode through a group of groove rollers on the side face.

The draw-out type unit for the reactive power compensation cabinet is characterized in that: one side of the side plate is rotatably connected with a falling-proof hook through a connecting shaft, and the end part of the guide rail is provided with a hanging groove matched with the falling-proof hook.

The draw-out type unit for the reactive power compensation cabinet is characterized in that: the anti-falling hook is characterized in that a limiting groove is formed in the rear end of the anti-falling hook, and a limiting shaft in limiting fit with the limiting groove is arranged on the side plate.

The draw-out type unit for the reactive power compensation cabinet is characterized in that: an unlocking button is arranged at the rear end of the anti-falling hook.

The draw-out type unit for the reactive power compensation cabinet is characterized in that: handles are arranged on two sides of the side plates.

The draw-out type unit for the reactive power compensation cabinet is characterized in that: and a secondary connector is arranged on the rear connecting plate.

The utility model provides a reactive compensation cabinet, includes the cabinet body, its characterized in that: the draw-out unit for the reactive power compensation cabinet is installed on the cabinet body.

The utility model discloses a pull-out type unit and reactive compensation cabinet advantage for reactive compensation cabinet as follows:

1. the modular draw-out units of the low-voltage reactive compensation cabinet are simple in structure, large in space, attractive in appearance and convenient to operate, can roll forwards and backwards along a straight line in guide grooves of a left guide rail and a right guide rail on the inner side of a cabinet body frame, a body can smoothly enter or be drawn out, the modular draw-out units with the same specification can be interchanged, each body module becomes an independent standard compensation module which can be replaced at any time, at most 2 compensation loops can be arranged in each module, and a plurality of compensation modules can be arranged in the compensation cabinet according to the compensation capacity requirement of a system;

2. when the modular draw-out unit enters the compartment in the cabinet, the grooves of the groove roller assemblies arranged at the lower front parts of the left side plate and the right side plate of the body are aligned with the guide notches of the left guide rail and the right guide rail arranged at the inner side of the cabinet body frame and are forwards pushed to the deepest part of the guide groove along a straight line, the secondary movable plug-in components on the rear connecting plate of the body are reliably connected with the secondary static plug-in components arranged on the cabinet body, and the door lock device arranged at the right upper corner of the universal component mounting panel is rotated by a key, so that the modular draw-out unit can be locked with the cabinet body frame; when the drawout unit is to be drawn out of a compartment in the cabinet, the door lock device is rotated by a key to unlock, when the drawout unit is drawn out to one third of the module body, the anti-falling hook on the left side plate falls into the hanging groove of the left guide rail to be locked, the anti-falling hook is manually stirred to release the locking when the module body is determined to be completely drawn out, and the modularized drawout unit body is drawn out, so that the module body is effectively prevented from sliding out of the compartment when the door lock device is unlocked, and personal injury and property loss caused by direct sliding out and falling of the module body when the module body is drawn out seriously during maintenance are effectively prevented;

3. when the compensation module of the low-voltage draw-out type reactive compensation cabinet needs to be replaced and added, a fuse group of an isolating switch or a power supply of a circuit breaker is cut off, the added compensation module can be quickly and conveniently pushed into a compartment for replacement, the damaged module can be pulled out firstly when the spare module does not exist, the busbar arranged at the component mounting panel is connected, after the switch is switched on, other compensation modules of the low-voltage draw-out type compensation cabinet can still normally work, the compensation module to be damaged is pushed into the compartment of the cabinet for switching use after being maintained, and the safety and reliability of the operation process are ensured.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

Fig. 1 is a schematic front structural view of a drawout unit for a reactive power compensation cabinet according to the present invention;

fig. 2 is a schematic bottom structure diagram of the drawout unit for the reactive power compensation cabinet of the present invention;

FIG. 3 is a schematic structural diagram of the mounting base plate for universal components of the present invention;

fig. 4 is a schematic structural view of the universal component mounting panel of the present invention;

FIG. 5 is a schematic structural view of the falling-prevention hook of the present invention;

fig. 6 is a partial structure enlarged view of the drawout unit for the reactive power compensation cabinet of the present invention;

fig. 7 is a schematic structural diagram of the reactive power compensation cabinet of the present invention.

Detailed Description

Example 1:

referring to fig. 1-6, the utility model discloses a pull-out type unit for reactive power compensation cabinet, including relative guide rail 1 that sets up and slidable setting drawer 2 on guide rail 1. The front ends of the guide rails 1 are connected by a connecting plate 28. The drawer 2 comprises a side plate 3, a group of universal component mounting bottom plates 4, a universal component mounting panel 5 and a rear connecting plate 6, wherein the side plate 3 is arranged oppositely, the universal component mounting bottom plates 4 are connected to the bottom of the side plate 3, the universal component mounting panel 5 is connected to the front end of the side plate 3, and the rear connecting plate 6 is connected to the rear end of the side plate 3. The universal component mounting base plate 4, the universal component mounting panel 5, the rear connecting plate 6 and the side plates 3 are fixed by rivets or screws. The universal component mounting base plate 4 is used for mounting a reactor 8 and a capacitor 9 through a group of module holes 7. Through installation reactor 8, condenser 9 bottom are from taking the mount pad, be equipped with on the mount pad with the screw hole that modulus hole 7 matches is fixed through the screw of packing into in the screw hole. General components and parts installation panel 5 is used for installing blend switch 11 through installing port 10, general components and parts installation panel 5 is used for installing female fixation clamp 13 of arranging through mounting hole 12, female fixation clamp 13 of arranging is used for fixed female 14 of arranging once, 5 both sides of general components and parts installation panel still are equipped with handle 15, through handle 15 is in order to make things convenient for user's pull.

Preferably, a door lock device 16 is arranged on one side of the upper right corner of the universal component mounting panel 5. The lock device 16 is rotated by a key to lock the draw-out unit with the cabinet frame, and when the draw-out unit is to be drawn out of the compartment in the cabinet, the lock device is rotated by the key to unlock the lock device, thereby improving the safety of the draw-out unit. The door lock device 16 is a switch cabinet door lock existing in the market, and will not be described herein.

Preferably, the side plates 3 are slidably arranged on the rail grooves 18 of the rail 1 by a set of grooved rollers 17 on the sides, and the grooved rollers 17 are ideally 3 on each side. Through the matching of the groove roller 17 and the guide rail groove 18, the draw-out type unit can move more stably.

Preferably, the rotatable dropproof couple 20 that is connected with of curb plate 3 one side through connecting axle 19, the tip of guide rail 1 be equipped with dropproof couple 20 complex string groove 21. Note: the connecting shaft 19 should be close to the rear end of the anti-falling hook 20, so that the center of gravity of the hook part at the front end of the anti-falling hook 20 is larger than that at the rear end, and the anti-falling hook can naturally fall down to be matched with the hanging groove 21 in a hanging manner. In order to improve the sensitivity of the anti-falling hook 20, a spring or a tension spring and other power-assisted components can be arranged on the anti-falling hook 20. When 1/3 of the drawer 2 is pulled out of the guide rail 1, the hook part at the front end of the falling-prevention hook 20 is automatically hung in the hanging groove 21 at the end part of the guide rail 1.

Preferably, the rear end of the falling-prevention hook 20 is provided with a limiting groove 22, and the side plate 3 is provided with a limiting shaft 23 which is in limiting fit with the limiting groove 22, so that the falling-prevention hook 20 can rotate within the range limited by the limiting groove 22. The rear end of the anti-falling hook 20 is provided with an unlocking button 24, and a user presses the unlocking button 24 by hand or tool to enable the hook part at the front end of the anti-falling hook 20 to be far away from the hanging groove 21 at the end part of the guide rail 1, so that unlocking is realized.

Preferably, handles 25 are provided at both sides of the side plate 3 to facilitate the user to carry the drawer 2.

Preferably, the rear connecting plate 6 is provided with a secondary connector 26. The secondary connector 26 is reliably connected with a secondary static plug-in unit arranged on the cabinet body so as to realize the conduction of the route.

Example 2:

referring to fig. 7, the utility model discloses a reactive power compensation cabinet, including the cabinet body 27, install a plurality of embodiment 1 on the cabinet body 27 and be used for reactive power compensation cabinet's pull-out type unit a. Specifically, the method comprises the following steps: the guide rail 1 is fixed on a framework of the cabinet body 27 through rivets or screws, and the drawer 2 is installed on the guide rail 1.

As described above, the present invention is not limited to the above embodiments, and although the present invention has been disclosed in the above embodiments, it is not limited to the above embodiments, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention.

Claims

1. A pull-out type unit for reactive compensation cabinet, includes relative guide rail (1) that sets up and slidable sets up drawer (2) on guide rail (1), its characterized in that: drawer (2) including relative curb plate (3) that sets up, connect in a set of general components and parts mounting plate (4) of curb plate (3) bottom, connect in general components and parts mounting panel (5) of curb plate (3) front end and connect in back connecting plate (6) of curb plate (3) rear end, general components and parts mounting plate (4) are used for installing reactor (8), condenser (9) through a set of modulus hole (7), general components and parts mounting panel (5) are used for installing blend switch (11) through installing port (10), are used for installing female fixation clamp (13) of arranging through mounting hole (12), female fixation clamp (13) of arranging are used for fixed female arranging (14) once, general components and parts mounting panel (5) both sides still are equipped with handle (15).

2. The draw-out unit for a reactive power compensation cabinet according to claim 1, wherein: and a door lock device (16) is arranged on one side of the universal component mounting panel (5).

3. The draw-out unit for a reactive power compensation cabinet according to claim 1, wherein: the side plates (3) are arranged on the guide rail grooves (18) of the guide rail (1) in a sliding manner through a group of groove rollers (17) on the side surfaces.

4. The draw-out unit for a reactive power compensation cabinet according to claim 1, wherein: curb plate (3) one side is rotatable be connected with dropproof couple (20) through connecting axle (19), the tip of guide rail (1) be equipped with dropproof couple (20) complex string groove (21).

5. The draw-out unit for a reactive power compensation cabinet according to claim 4, wherein: the anti-falling hook is characterized in that a limiting groove (22) is formed in the rear end of the anti-falling hook (20), and a limiting shaft (23) in limiting fit with the limiting groove (22) is arranged on the side plate (3).

6. The draw-out unit for a reactive power compensation cabinet according to claim 5, wherein: an unlocking button (24) is arranged at the rear end of the falling-proof hook (20).

7. The draw-out unit for a reactive power compensation cabinet according to claim 1, wherein: handles (25) are arranged on two sides of the side plate (3).

8. The draw-out unit for a reactive power compensation cabinet according to claim 1, wherein: and a secondary connector (26) is arranged on the rear connecting plate (6).

9. A reactive compensation cabinet, includes the cabinet body (27), its characterized in that: a drawout unit (a) for a reactive power compensation cabinet according to any of claims 1-8 is mounted on the cabinet body (27).