CN-121863222-B - Intelligent monitoring device for ring main unit

CN121863222BCN 121863222 BCN121863222 BCN 121863222BCN-121863222-B

Abstract

The invention relates to the technical field of distribution equipment, and particularly discloses an intelligent ring main unit monitoring device which comprises a host, a detection unit and a heat dissipation and dehumidification device. The heat dissipation and dehumidification device comprises a mounting plate, a heat conduction plate and a motor device, wherein a circular hole is formed in the mounting plate and provided with an annular water collecting groove, the annular water collecting groove is provided with a water outlet, a power shaft of the motor device is provided with a thread section, a shaft sleeve matched with the thread section is fixedly arranged on the heat conduction plate, and the heat conduction plate is provided with two stations and can be switched based on the rotation direction of the power shaft. When the heat dissipation and dehumidification device operates under the condition of high external environment humidity or high dust content, the round holes are plugged by the heat conduction disc, heat dissipation and dehumidification are realized through a heat exchange mode, the invasion of external humidity and dust is avoided, and the problem of extra heat generation in the dehumidification process is solved. This looped netowrk cabinet intelligent monitoring device can realize heat dissipation and dehumidification dual function, core part utilization ratio, and overall structure is succinct compact, easily installs, and the suitability is strong, and implementation cost is lower.

Inventors

ZHAO ZHONGBIN
Ren Zongfeng
HU JINGWEI
LI TIEHUI
QIN KANG

Assignees

沈阳汇鼎润达科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260319

Claims (10)

1. The intelligent ring main unit monitoring device comprises a host, a detection unit and a heat dissipation and dehumidification device, wherein a control system and a transmission module are arranged in the host; the motor device is fixed on the other side of the mounting plate, a threaded section is arranged on a power shaft of the motor device, limit parts are arranged at two ends of the threaded section, the heat conducting disc is formed by a disc body, an outer ring and a threaded sleeve, the disc body is of a thin shell structure made of heat conducting materials and is provided with a plurality of grooves which extend radially and are distributed radially, fins are fixedly connected to the tops of the grooves at two sides of the disc body, the outer ring is fixedly arranged on the outer edge of the disc body, the threaded sleeve is fixedly connected with the disc body and is in threaded fit with the threaded section of the power shaft, when the threaded sleeve is abutted with one limit part, the outer ring extends into the circular hole, two ends of the threaded sleeve are respectively positioned on two sides of the mounting plate, the circular hole is plugged by the heat conducting disc, when the threaded sleeve is abutted with the other limit part, the heat conducting disc is positioned on the outer side of the circular hole, a ventilation gap is formed between the heat conducting disc and the circular hole, and the control system regulates and controls the rotation direction of the motor device when in operation based on real-time data, weather data and dust data of the outside environment.
2. The intelligent monitoring device of the ring main unit according to claim 1, wherein the outer side of the outer ring is sleeved with a collar in running fit with the outer ring, and the collar is in contact fit with the mounting plate when the heat conducting disc is in the first station.
3. The intelligent monitoring device of the ring main unit according to claim 2, wherein a sealing gasket or a sealing ring is arranged on the matching surface of the lantern ring, the outer ring and the mounting plate.
4. The intelligent monitoring device of the ring main unit according to claim 1, wherein the plate body of the heat conducting plate is made of a heat conducting metal sheet, and the groove structure is manufactured through an integrated press forming process.
5. The intelligent monitoring device of the ring main unit according to claim 1, wherein the mounting plate is covered on a reserved mounting opening of the ring main unit, the mounting plate is fixed with the wall of the ring main unit in a sealing manner, the motor device is positioned outside the ring main unit, the annular water collecting tank is positioned inside the ring main unit, and a water draining pipe is connected to a water draining port of the annular water collecting tank.
6. The intelligent monitoring device of the ring main unit according to claim 1, wherein the annular water collecting tank is formed by bending a section bar.
7. The intelligent monitoring device of the ring main unit according to claim 1, wherein the detecting unit is provided with a plurality of temperature sensors and humidity sensors, the sensors are distributed in different compartments in the ring main unit and feed back temperature and humidity detection data of the corresponding compartments to the host, and the heat dissipation and dehumidification device is provided with a plurality of heat dissipation and dehumidification devices which are respectively arranged on walls of the different compartments of the ring main unit.
8. The intelligent ring main unit monitoring device according to claim 1, wherein the detecting unit is provided with a temperature sensor and a humidity sensor which are arranged outside the ring main unit, so as to feed back temperature and humidity data of an external environment to the host.
9. The intelligent monitoring device of the ring main unit according to claim 1, wherein a protective cover is fixedly arranged on the mounting plate, the protective cover covers the motor device inside, and a ventilation structure is arranged on the wall body of the protective cover.
10. The intelligent monitoring device of the ring main unit of claim 9, wherein the host is fixedly arranged in the protective cover, and a connecting line between the host and the detection unit penetrates into the ring main unit in a sealing manner through a preset threading hole on the mounting plate.

Description

Intelligent monitoring device for ring main unit Technical Field The invention relates to the technical field of power distribution equipment, in particular to an intelligent monitoring device for a ring main unit. Background The ring main unit is used as core equipment of the power distribution system, and the monitoring and regulation of the internal temperature and humidity are key for guaranteeing the operation stability of the equipment, prolonging the service life of the equipment and maintaining the safe operation of the power distribution system. The conventional temperature and humidity regulation mode of the ring main unit is to adopt an axial flow fan to realize forced ventilation and heat dissipation, prevent the temperature in the cabinet from being too high, adopt a semiconductor dehumidifier to realize dehumidification in the cabinet, prevent condensation from being generated, and adopt mutually independent control units as a heat dissipation module and a dehumidification module. The prior art has the obvious technical defects that firstly, moisture and dust in the external environment can enter the ring main unit along with air flow in the forced ventilation and heat dissipation process, so that the humidity in the ring main unit is increased, condensation is further increased, meanwhile, the insulating performance of components in the ring main unit can be reduced due to dust accumulation, secondly, the running energy consumption of the semiconductor dehumidifier is higher, a large amount of waste heat can be generated in the working process, the temperature in the ring main unit is directly increased, and further, the heat dissipation module is triggered to continuously run, so that the vicious cycle of dehumidification, temperature rise and heat dissipation, heat dissipation with humidity and dehumidification is formed. In summary, in the prior art, the heat dissipation and dehumidification mode of the ring main unit cannot realize efficient collaborative regulation and control, so that the operation energy consumption is high, external pollutants are easily introduced to influence the performance of the ring main unit, the stable operation requirements of the ring main unit under different natural environments are difficult to meet, and the ring main unit intelligent monitoring technology development bottleneck is formed. Disclosure of Invention Aiming at the problems existing in the prior art, the invention aims to provide an intelligent monitoring device for a ring main unit, which solves the technical problems of mutual interference of heat dissipation and dehumidification, high energy consumption and easy introduction of external pollutants in the prior art, and realizes cooperative regulation and control of heat dissipation and dehumidification of the ring main unit. Aiming at the technical purposes, the invention is realized by adopting the following technical scheme: The intelligent ring main unit monitoring device comprises a host, a detection unit and a heat dissipation and dehumidification device, wherein a control system and a transmission module are arranged in the host and establish a data interaction link with a monitoring platform, the heat dissipation and dehumidification device comprises a mounting plate, a heat conduction disc and a motor device, a circular hole is formed in the mounting plate, one side of the mounting plate is fixedly connected with an annular water collecting groove, a water outlet is formed in the annular water collecting groove, the motor device is fixed on the other side of the mounting plate, a threaded section is arranged on a power shaft of the motor device, limit parts are arranged at two ends of the threaded section, the heat conduction disc is formed by a disc body, an outer ring and a threaded sleeve, the disc body is of a thin shell structure made of heat conduction materials and is provided with a plurality of grooves which extend along the radial direction and are distributed radially, fins are fixedly connected to the top of the grooves, the outer ring is fixedly arranged on the outer edge of the disc body, the threaded sleeve is fixedly connected with the disc body, the threaded sleeve is in threaded fit with the threaded section of the power shaft, when the threaded sleeve is in butt joint with one limit part, the outer ring is extended into the circular hole, the two ends of the mounting plate are respectively located at two sides of the mounting plate, the circular hole is plugged by the threaded sleeve and the circular hole, when the threaded sleeve is in butt joint with the other limit part, the circular hole is located at the outer side of the circular hole, the heat conduction disc is located at the heat conduction disc and the power shaft and the heat dissipation device rotates in a real-time, and the humidity control direction and the humidity control system is based on the data. In the preferred embodiment, the outer side of t