CN213546893U

CN213546893U - SVG on-line monitoring device

Info

Publication number: CN213546893U
Application number: CN202021393206.2U
Authority: CN
Inventors: 孟祥东; 刘冲冲; 王明尧; 暴延涛; 刘磊
Original assignee: Shandong Yuanxuntong Electronic Technology Co ltd
Current assignee: Shandong Yuanshuntong Power Technology Co., Ltd.
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-06-25
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses an SVG on-line monitoring device, which relates to the technical field of monitoring devices, comprising a working box, a monitoring box, a refrigerator, a water tank, a heat conduction plate and a mounting plate. The inverter power unit is slidably installed on the upper surface of the heat-conducting plate through the mounting plate, which makes the installation and disassembly of the device more convenient. At the same time, the monitoring box is fixedly installed on the top of the working box, and the H-bridge is reversed through the load detection module and the reactive power compensation monitoring module. The working state of the variable power unit is monitored, and a short-circuit protector is installed inside the monitoring box. When the working state is abnormal, the power supply of the H-bridge inverter power unit is cut off through the short-circuit protector, so as to effectively protect the components, and There is a sound and light controller inside the monitoring box. When the monitoring box detects that the H-bridge inverter power unit is abnormal, the sound and light controller will control the indicator light and the speaker to generate sound and light alarm, and notify the operator in time.

Description

SVG on-line monitoring device

Technical Field

The utility model relates to a monitoring devices technical field specifically is SVG on-line monitoring device.

Background

An active dynamic reactive power compensation device (SVG device for short) is a new generation reactive power compensation device, is used as a fast reactive power source, can be used on a power load side or a new energy power generation end, reduces the line loss and improves the power quality; it can also be installed in power transmission and distribution system to provide voltage support, improve system stability and prevent voltage breakdown. The SVG device is according to the voltage class, generally every looks comprises a plurality of H bridge contravariant power unit of n, every H bridge contravariant power unit all has four bridge connection's IGBT to form, the direct current side of H bridge contravariant power unit can dispose the direct current support capacitance C of certain capacity according to equipment capacity size, the size of the appearance value size of direct current support capacitance is deciding the size of direct current side ripple voltage at SVG device reactive output in-process, the direct influence SVG device output reactive control performance's quality.

Along with the continuous maturity of SVG technique, the volume of puting in of SVG device on the market increases year by year, but the inside monitoring facilities of SVG device on the market now, unable real-time supervision device's normal work needs operating personnel to patrol and examine the SVG device regularly, has brought a lot of inconveniences for operating personnel.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a SVG on-line monitoring device monitors the inside operating condition of SVG device through the monitoring box, has reduced operating personnel's the number of times of patrolling and examining, has increased the practicality of device.

In order to achieve the above object, the utility model provides a following technical scheme: the refrigerator comprises a working box, a monitoring box, a refrigerator, a water tank, heat-conducting plates and a mounting plate, wherein the monitoring box is arranged at the top of the working box, the monitoring box is fixedly installed inside the working box through a partition plate, meanwhile, the heat-conducting plates are horizontally installed inside the working box, sliding grooves are symmetrically formed in the left side and the right side of the upper surface of each heat-conducting plate, a pair of sliding blocks are symmetrically installed on the two sides of the lower surface of the mounting plate, the size of each sliding block and the size of each sliding groove correspond to each other, a plurality of rollers are fixedly installed at the bottoms of the sliding blocks, the mounting plate is slidably installed in the sliding grooves through the sliding blocks, an H-bridge inverter power unit is fixedly installed on the mounting plate; fixed mounting has operating panel and display screen on the positive lateral wall of monitoring case, the inside fixed mounting of monitoring case has central controller simultaneously, central controller and operating panel and display screen electric connection are in the same place, the lower fixed surface of monitoring incasement portion simultaneously installs load detection module, short circuit protector and reactive compensation monitoring module, load detection module, the link of short circuit protector and reactive compensation monitoring module stretches out from the bottom of monitoring case, and pass the baffle and stretch into the installation intracavity and be in the same place with H bridge contravariant power unit electric connection, load detection module simultaneously, short circuit protector and reactive compensation monitoring module and central controller electric connection are in the same place, fixed mounting has teletransmission module on the inside lateral wall of monitoring case simultaneously, teletransmission module's link stretches out from the lateral wall of monitoring case.

As a further aspect of the present invention: the inner side of the shell of the working box is provided with a cavity, a copper pipe is arranged in the cavity, the left end and the right end of the copper pipe are respectively communicated with the refrigerator and the water tank together, the refrigerator and the water tank are communicated together through a water guide pipe, and meanwhile, the inner wall of the working box is fixedly provided with a layer of heat absorbing plate.

As a further aspect of the present invention: monitoring box's inside top one side fixed mounting has the sound light controller, and monitoring box's top fixed mounting has the pilot lamp simultaneously, and the top of pilot lamp stretches out from the top of work box, and fixed mounting has the speaker on monitoring box's the positive lateral wall simultaneously, and pilot lamp and speaker all are in the same place sound light controller electric connection, and sound light controller and central controller electric connection are in the same place simultaneously.

As a further aspect of the present invention: the top fixed mounting of monitoring case has small-size dehumidifier, and the top fixed mounting of monitoring case has radiator fan simultaneously.

As a further aspect of the present invention: the inside fixed mounting of monitoring case has the group battery, and the monitoring facilities electric connection of group battery and monitoring incasement portion is in the same place.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be provided with the monitoring box, monitoring box fixed mounting is at the top of work box, the operating condition to H bridge contravariant power unit is monitored through load detection module and reactive compensation monitoring module, the inside of monitoring box is provided with the short-circuit protection ware simultaneously, when the operating condition takes place unusually, the power of H bridge contravariant power unit is cut off through the short-circuit protection ware, thereby effectively protect components and parts, and the inside of monitoring box is provided with the sound and light controller, when the monitoring box monitors that H bridge contravariant power unit takes place unusually, take place acousto-optic warning through sound and light controller control pilot lamp and speaker, in time inform operating personnel, the practicality of device has been increased;

2. the utility model discloses be provided with the heat-conducting plate, H bridge contravariant power unit passes through mounting panel slidable mounting on the upper surface of heat-conducting plate, the installation and the dismantlement of device are more convenient, and the inside of work box is provided with the refrigeration case, the cold water that the refrigerator produced circulates at the copper intraductal, effectively dispel the heat to the work incasement portion, fixed mounting has one deck absorber plate on the inner wall of simultaneous working case, the absorber plate effectively adsorbs the heat that the work incasement portion produced, and the heat effectively absorbs through the cold water in the copper pipe, the effectual radiating efficiency who increases the work incasement portion, the normal operating of equipment has been guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure diagram of the monitoring box of the present invention.

Fig. 3 is a partial enlarged view of the position a of the present invention.

As shown in the figure: 1. the working box, 2, monitoring box, 3, refrigerator, 4, water tank, 5, heat-conducting plate, 6, baffle, 7, mounting panel, 8, shell, 9, copper pipe, 10, absorber plate, 11, operating panel, 12, display screen, 13, central controller, 14, load detection module, 15, short-circuit protector, 16, sound and light controller, 17, pilot lamp, 18, small-size dehumidifier, 19, group battery, 20, reactive compensation monitoring module, 21, remote transmission module, 22, speaker, 23, spout, 24, slider, 25, gyro wheel, 26, radiator fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, in the embodiment of the present invention, an SVG online monitoring device includes a working box 1, a monitoring box 2, a refrigerator 3, a water tank 4, heat conducting plates 5 and a mounting plate 7, wherein the monitoring box 2 is disposed on the top of the working box 1, the monitoring box 2 is fixedly mounted inside the working box 1 through a partition plate 6, a plurality of heat conducting plates 5 are horizontally mounted inside the working box 1, chutes 23 are symmetrically formed on the left and right sides of the upper surface of each heat conducting plate 5, a pair of sliders 24 are symmetrically mounted on the two sides of the lower surface of the mounting plate 7, the size of each slider 24 corresponds to the size of each chute 23, a plurality of rollers 25 are fixedly mounted on the bottom of each slider 24, the mounting plate 7 is slidably mounted in each chute 23 through the sliders 24, wherein an H-bridge inverter power unit is fixedly mounted on the mounting plate 7, and the refrigerator 3 and the, the refrigerator 3 and the water tank 4 are fixedly arranged on the lower surface of the working box 1; an operation panel 11 and a display screen 12 are fixedly installed on the front side wall of the monitoring box 2, a central controller 13 is fixedly installed inside the monitoring box 2, the central controller 13 is electrically connected with the operation panel 11 and the display screen 12, a load detection module 14, a short-circuit protector 15 and a reactive compensation monitoring module 20 are fixedly installed on the lower surface inside the monitoring box 2, the connecting ends of the load detection module 14, the short-circuit protector 15 and the reactive compensation monitoring module 20 extend out of the bottom of the monitoring box 2 and penetrate through the partition plate 6 to extend into the installation cavity to be electrically connected with the H-bridge inverter power unit, the load detection module 14, the short-circuit protector 15, the reactive compensation monitoring module 20 and the central controller 13 are electrically connected together, and the working state of the H-bridge inverter power unit is monitored through the load detection module 14 and the reactive compensation monitoring module 20, when operating condition takes place unusually, cut off H bridge contravariant power unit's power through short-circuit protector 15, thereby effectively protect components and parts, avoid the trouble of inside one components and parts to burn out the condition of other components and parts, fixed mounting has remote transmission module 21 on monitoring box 2's the inside lateral wall simultaneously, remote transmission module 21's link stretches out from monitoring box's lateral wall, link together through remote transmission module 21 and computer, the operating condition of the operating personnel remote monitoring equipment of being convenient for.

Wherein, the cavity has been seted up to the inboard of the shell 8 of work box 1, install copper pipe 9 in the cavity, copper pipe 9 about both ends respectively with refrigerator 3 and water tank 4 intercommunication together, and refrigerator 3 and water tank 4 communicate together through the aqueduct, the cold water that refrigerator 3 produced circulates in copper pipe 9, effectively dispel the heat to work box 1 inside, fixed mounting has one deck absorber plate 10 on the inner wall of work box 1 simultaneously, absorber plate 10 effectively adsorbs the heat that work box 1 inside produced, and the heat effectively absorbs through the cold water in the copper pipe 9, the effectual radiating efficiency who increases work box 1 inside, the normal operating of equipment has been guaranteed.

Wherein, monitoring box 2 inside top one side fixed mounting has sound light controller 16, monitoring box 2's top fixed mounting has pilot lamp 17 simultaneously, the top of pilot lamp 17 stretches out from the top of work box 1, fixed mounting has speaker 22 on monitoring box 2's the positive lateral wall simultaneously, pilot lamp 17 and speaker 22 all with sound light controller 16 electric connection together, sound light controller 16 and central controller 13 electric connection together simultaneously, when monitoring box 2 monitors that H bridge contravariant power unit takes place unusually, take place acousto-optic warning through sound light controller 16 control pilot lamp 17 and speaker 22, in time inform operating personnel.

Wherein, the top fixed mounting of monitoring case 2 has small-size dehumidifier 18, dehumidifies the inside of monitoring case 2 through small-size dehumidifier 18, and the top fixed mounting of monitoring case 2 has radiator fan 26 simultaneously, and radiator fan 26 dispels the heat to the inside of monitoring case 2 to guarantee monitoring case 2's normal work.

Preferably, the battery pack 19 is fixedly installed inside the monitoring box 2, the battery pack 19 is electrically connected with monitoring equipment inside the monitoring box 2, and when the device is powered off, the battery pack 20 provides a standby power supply to ensure the normal operation of the monitoring equipment.

It should be noted that the working principle and the installation manner of the central controller 13 both adopt the prior art, which is common knowledge of those skilled in the art, and are not described herein again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.

Claims

1. An SVG online monitoring device, comprising a work box (1), a monitoring box (2), a refrigerator (3), a water tank (4), a heat conduction plate (5) and a mounting plate (7), characterized in that: the work The top of the box (1) is provided with a monitoring box (2), the monitoring box (2) is fixedly installed inside the working box (1) through a partition plate (6), and at the same time a number of heat conducting plates are horizontally installed inside the working box (1). (5), the upper surface of the heat conducting plate (5) is symmetrically provided with sliding grooves (23) on the left and right sides, and the lower surface of the mounting plate (7) is symmetrically installed with a pair of sliders (24) on both sides, and the sliders (24) The size of the slider (24) corresponds to the size of the chute (23). At the same time, a number of rollers (25) are fixedly installed at the bottom of the slider (24), and the mounting plate (7) is slidably installed in the chute (23) through the slider (24). , wherein an H-bridge inverter power unit is fixedly installed on the mounting plate (7), and a refrigerator (3) and a water tank (4) are arranged under the lowermost heat conduction plate (5), and the refrigerator (3) and the water tank ( 4) It is fixedly installed on the lower surface of the work box (1); the operation panel (11) and the display screen (12) are fixedly installed on the front side wall of the monitoring box (2), and the inside of the monitoring box (2) is also monitored. A central controller (13) is fixedly installed, and the central controller (13) is electrically connected with the operation panel (11) and the display screen (12), and a load detection module is fixedly installed on the lower surface of the monitoring box (2). (14), the short-circuit protector (15) and the reactive power compensation monitoring module (20), the connection ends of the load detection module (14), the short-circuit protector (15) and the reactive power compensation monitoring module (20) are connected from the monitoring box (2). ) protrudes from the bottom, and extends into the installation cavity through the partition plate (6) and is electrically connected to the H-bridge inverter power unit, while the load detection module (14), the short-circuit protector (15) and the reactive power compensation The monitoring module (20) and the central controller (13) are electrically connected together, and a remote transmission module (21) is fixedly installed on the inner side wall of the monitoring box (2), and the connection end of the remote transmission module (21) is connected from the monitoring The side walls of the box protrude.

2. The SVG online monitoring device according to claim 1, characterized in that: a cavity is opened on the inner side of the shell (8) of the working box (1), and a copper pipe (9) is installed in the cavity, and the copper pipe The left and right ends of (9) are respectively connected with the refrigerator (3) and the water tank (4), and the refrigerator (3) and the water tank (4) are connected together through a water conduit, and at the same time the inner wall of the working box (1) is connected together. A layer of heat absorbing plate (10) is fixedly installed.

3. The SVG online monitoring device according to claim 1, characterized in that: an acousto-optic controller (16) is fixedly installed on the top side of the inside of the monitoring box (2), and the top of the monitoring box (2) is fixed at the same time. An indicator light (17) is installed, the top of the indicator light (17) protrudes from the top of the work box (1), and a speaker (22) is fixedly installed on the front side wall of the monitoring box (2). The indicator light (17) And the speaker (22) is electrically connected with the sound and light controller (16), and the sound and light controller (16) is electrically connected with the central controller (13).

4. The SVG online monitoring device according to claim 1, characterized in that: a small dehumidifier (18) is fixedly installed on the top of the monitoring box (2), and a cooling fan is fixedly installed on the top of the monitoring box (2). (26).

5. The SVG online monitoring device according to claim 1, characterized in that: a battery pack (19) is fixedly installed inside the monitoring box (2), and the battery pack (19) and the monitoring inside the monitoring box (2) are fixedly installed. The devices are electrically connected together.