CN215524671U - Active environment protection device for ring main unit - Google Patents
Active environment protection device for ring main unit Download PDFInfo
- Publication number
- CN215524671U CN215524671U CN202022922001.5U CN202022922001U CN215524671U CN 215524671 U CN215524671 U CN 215524671U CN 202022922001 U CN202022922001 U CN 202022922001U CN 215524671 U CN215524671 U CN 215524671U
- Authority
- CN
- China
- Prior art keywords
- unit
- ring main
- cabinet
- information processing
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000010365 information processing Effects 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 238000007654 immersion Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims description 22
- 230000007613 environmental effect Effects 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000009421 internal insulation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
An active environment protection device for a ring main unit comprises an information acquisition unit, an information processing unit, an alarm unit, a control unit, a wireless communication unit, a power supply unit and a background server, wherein the information acquisition unit is connected with the information processing unit, the information processing unit is connected with the alarm unit, the control unit and the wireless communication unit, and the wireless communication unit is connected with the background server. The information acquisition unit is used for acquiring temperature signals by installing a plurality of temperature sensors at the bus joint, the switch cabinet contact and the outgoing cable head. And SF6 gas in the cabinet body, water immersion in the cabinet body, condensation in the cabinet and insulation resistance in the cabinet are sampled and monitored. The information processing unit includes a microprocessor circuit and a memory circuit. The control unit comprises a fan control circuit, a dehumidifier control circuit and a heater control circuit. The utility model has the beneficial effects that: the operation condition of the ring main unit can be fully mastered, and the normal operation of the ring main unit is ensured.
Description
Technical Field
The utility model relates to environment protection equipment, in particular to an active environment protection device for a ring main unit.
Background
The ring main unit is a very critical device in a power distribution network device, plays a role in putting part of power lines into operation or switching out, and is related to the operation level, the safety degree and the power supply service quality of the power distribution network.
At present, the fault types of the ring main units mainly include the following common faults:
insulation discharge failure: the discharge of the switch cabinet is mainly caused by the fact that the discharge occurs when the insulation strength of an insulation part or an insulation gap is lower than the external voltage, and even insulation breakdown accidents occur;
overheating failure: the closed switch cabinet can not be opened in operation, so the actual temperature of the contact in the cabinet is difficult to measure, and if the contact overheating defect can not be found and processed in time, the safety production of electric power can be seriously threatened. The overheating of the switch cabinet is usually caused by overcurrent or resistance increase heating, and the overheating point usually occurs in a plum blossom contact, a current transformer, an outgoing cable head and the like of the handcart;
current carrying failure: the main reason of the current-carrying fault of the high-voltage switch cabinet is that contact burning caused by poor contact of an isolation plug of the switch cabinet;
external forces and other faults: the method comprises the following steps of generating unknown other external forces and unexpected faults such as foreign body impact, natural disasters, short circuit of small animals and the like;
disclosure of Invention
The utility model aims to provide an active environment protection device for a ring main unit, which is used for monitoring and controlling the environment inside the ring main unit in real time and maintaining the normal working operation of the ring main unit.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an active environment protection device for a ring main unit comprises an information acquisition unit, an information processing unit, an alarm unit, a control unit, a wireless communication unit, a power supply unit and a background server, wherein the information acquisition unit is connected with the information processing unit, the information processing unit is connected with the alarm unit, the control unit and the wireless communication unit, the power supply unit is connected with the information acquisition unit, the information processing unit, the alarm unit, the control unit and the wireless communication unit, and the wireless communication unit is connected with the background server.
The information acquisition unit comprises a cabinet internal temperature and humidity monitoring subunit, a cabinet internal SF6 gas, a cabinet internal water immersion unit, a cabinet internal condensation unit and a cabinet internal insulation resistance monitoring subunit.
The temperature and humidity monitoring subunit in the cabinet collects temperature signals by installing a plurality of temperature sensors at the bus joint, the switch cabinet contact and the outgoing cable head, and preferably selects a wireless passive temperature sensor for temperature monitoring.
The information processing unit comprises a microprocessor circuit and a memory circuit, wherein the microprocessor circuit and the memory circuit are connected by a bus circuit.
The alarm unit comprises an alarm indicator lamp arranged on the ring main unit, an alarm indicator lamp arranged in the main control room, and a monitoring picture alarm of the background server.
The control unit comprises a fan control circuit, a dehumidifier control circuit and a heater control circuit.
Compared with the prior art, the utility model has the beneficial effects that:
because the ring main unit is additionally provided with the active environment protection device, a plurality of pieces of environment information in the ring main unit can be monitored, including the monitoring of the temperature and the humidity in the ring main unit, and the monitoring of SF6 gas in the ring main unit, water immersion in the ring main unit, condensation in the ring main unit, insulation resistance in the ring main unit and door magnetism of the cabinet door. Therefore, the working operation condition of the ring main unit is fully mastered, the ring main unit can be monitored and known at the initial stage of failure, the problem is further processed through the control unit of the device, and the ring main unit is further kept in a normal operation state.
Drawings
Fig. 1 is a schematic composition diagram of an active environmental protection device for a ring main unit according to the present invention.
Fig. 2 is a schematic circuit diagram of an information acquisition unit.
Fig. 3 is a schematic diagram of a microprocessor circuit of the information processing unit.
Fig. 4 is a schematic circuit diagram of the control unit.
Detailed Description
The following describes in detail a specific structure of the active environmental protection device for a ring main unit according to the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic view showing the components of the active environmental protection device for a ring main unit according to the present invention.
The utility model provides an initiative environmental protection device that looped netowrk cabinet was used, by information acquisition unit 1, information processing unit 2, alarm unit 3, the control unit 4, wireless communication unit 5, power supply unit 7 and backend server 6 constitute, information acquisition unit 1 is connected with information processing unit 2, information processing unit 2 is connected with alarm unit 3, the control unit 4, wireless communication unit 5, power supply unit 7 is connected with information acquisition unit 1, information processing unit 2, alarm unit 3, the control unit 4, wireless communication unit 5 is connected with backend server 6.
The information acquisition unit 1 comprises a cabinet internal temperature and humidity monitoring subunit, a cabinet internal SF6 gas, a cabinet internal water immersion, a cabinet internal condensation and a cabinet internal insulation resistance monitoring subunit.
The temperature and humidity monitoring subunit in the cabinet collects temperature signals by installing a plurality of temperature sensors at the bus joint, the switch cabinet contact and the outgoing cable head, and preferably selects a wireless passive temperature sensor for temperature monitoring.
The information processing unit 2 comprises a microprocessor circuit and a memory circuit, and the microprocessor circuit and the memory circuit are connected by a bus circuit.
The alarm unit 3 comprises an alarm indicator lamp arranged in a ring main unit and an alarm indicator lamp arranged in a main control room, and also comprises a monitoring picture alarm of a background server 6.
The control unit 4 comprises a fan control circuit, a dehumidifier control circuit and a heater control circuit.
The information processing unit 2 is installed in a secondary equipment cabinet of the ring main unit and is connected with the information acquisition unit 1 through an RS-485 bus to form an active online monitoring and fault early warning device of the ring main unit. The information processing unit 2 realizes a networked and intelligent comprehensive active online monitoring and fault early warning expert system by applying a hierarchical analysis model and a multidimensional information fusion technology, analyzes data by fusing and diagnosing each hierarchical expert system, and obtains the defect degree of the environment by quantitatively describing the environmental parameters of the ring main unit, thereby effectively predicting and preventing the occurrence of faults.
The collected data of the information collecting unit 1, the output of the control unit 4 and the alarm unit 3 form linkage, namely the output of the control unit 4 is started when the collected environmental data is abnormal, so that the environmental conditions in the ring main unit are ensured to be in a safe and reasonable working range. For example, when the temperature in the cabinet is monitored to be overhigh, the fan is started to ventilate and cool according to a preset program, and when the temperature in the cabinet is overhigh, the heater is started to heat. When the humidity in the cabinet is too high and even when condensation occurs, on one hand, the fan is started to ventilate and the dehumidifier is started to dehumidify, and meanwhile, the humidity abnormity can be reported to prompt operation and maintenance personnel to pay attention.
Compared with the prior art, the utility model has the beneficial effects that:
because the ring main unit is additionally provided with the active environment protection device, a plurality of pieces of environment information in the ring main unit can be monitored, including the monitoring of the temperature and the humidity in the ring main unit, and the monitoring of SF6 gas in the ring main unit, water immersion in the ring main unit, condensation in the ring main unit, insulation resistance in the ring main unit and door magnetism of the cabinet door. Therefore, the working operation condition of the ring main unit is fully mastered, the ring main unit can be monitored and known at the initial stage of failure, the problem is further processed through the control unit of the device, and the ring main unit is further kept in a normal operation state.
Claims (6)
1. The active environment protection device for the ring main unit is characterized by comprising an information acquisition unit, an information processing unit, an alarm unit, a control unit, a wireless communication unit, a power supply unit and a background server, wherein the information acquisition unit is connected with the information processing unit, the information processing unit is connected with the alarm unit, the control unit and the wireless communication unit, the power supply unit is connected with the information acquisition unit, the information processing unit, the alarm unit, the control unit and the wireless communication unit, and the wireless communication unit is connected with the background server.
2. The active environment protection device for ring main units as claimed in claim 1, wherein said information collection unit comprises a temperature and humidity monitoring sub-unit inside the cabinet, SF6 gas inside the cabinet, water immersion inside the cabinet, condensation inside the cabinet, and an insulation resistance monitoring sub-unit inside the cabinet.
3. The active environment protection device for the ring main unit according to claim 2, wherein the temperature and humidity monitoring sub-unit in the ring main unit collects temperature signals by installing a plurality of temperature sensors at the bus connection position, the switch cabinet contact and the outgoing cable head, and preferably uses a wireless passive temperature sensor for temperature monitoring.
4. The active environmental protection device for ring main units as claimed in claim 1, wherein said information processing unit comprises a microprocessor circuit and a memory circuit, the microprocessor circuit and the memory circuit are connected by a bus circuit.
5. The active environmental protection device for ring main units as claimed in claim 1, wherein the alarm unit comprises an alarm indicator lamp disposed in the ring main unit and an alarm indicator lamp disposed in the main control room, and further comprises a monitoring picture alarm of the background server.
6. The active environmental protection device for ring main units as claimed in claim 1, wherein the control unit comprises a fan control circuit, a dehumidifier control circuit, and a heater control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922001.5U CN215524671U (en) | 2020-12-09 | 2020-12-09 | Active environment protection device for ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922001.5U CN215524671U (en) | 2020-12-09 | 2020-12-09 | Active environment protection device for ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215524671U true CN215524671U (en) | 2022-01-14 |
Family
ID=79785731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022922001.5U Active CN215524671U (en) | 2020-12-09 | 2020-12-09 | Active environment protection device for ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215524671U (en) |
-
2020
- 2020-12-09 CN CN202022922001.5U patent/CN215524671U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105471106B (en) | Distribution power automation terminal with equipment condition monitoring function and monitoring method | |
| CN104977087B (en) | A kind of method of the electrical equipment fault automatic early-warning based on infrared imaging temperature measuring | |
| CN211377246U (en) | High tension switchgear and cubical switchboard integrated state monitoring system | |
| CN103412217A (en) | Box-type substation intelligent online failure diagnosis system | |
| CN204243896U (en) | For the on off state monitoring device of power distribution network | |
| CN104990629A (en) | Infrared-imaging-and-temperature-measurement-based automatic early warning system for power equipment fault | |
| CN110411892B (en) | Contact signal acquisition circuit for on-site on-line checking gas density relay | |
| CN107562097B (en) | Sledge fills automatically controlled integrated apparatus | |
| CN112462173A (en) | Intelligent management system for dry-type transformer | |
| CN106680708B (en) | Electrical life test monitoring protection device of low-voltage alternating current breaker and application thereof | |
| CN104122473A (en) | Online monitoring method for states of secondary device of distribution network | |
| CN215524671U (en) | Active environment protection device for ring main unit | |
| CN206321763U (en) | Outdoor high-voltage isolating switch body health degree monitoring device | |
| CN209657112U (en) | A kind of railway computer room comprehensively monitoring protection system | |
| CN112595360A (en) | Active environment protection device for ring main unit | |
| CN113659725B (en) | Monitoring system applied to high-voltage switch cabinet and handcart circuit breaker thereof | |
| CN109004742A (en) | Substation's condition monitoring system based on terminal control | |
| CN109004743A (en) | Substation's status monitoring intelligence managing and control system | |
| CN204595140U (en) | A kind of interior distribution device ground connection audible-visual annunciator | |
| CN103365322A (en) | Temperature and humidity automatic control system of outdoor switch cabinet | |
| CN107870274A (en) | A kind of low-pressure electronic equipment product experiment detection device and method for testing and detecting | |
| CN113422433A (en) | Monitoring and control system for power distribution station and switching station | |
| CN114498914A (en) | Intelligent substation synthesizes monitored control system | |
| CN112051873A (en) | Measurement and control method and device for switch cabinet | |
| CN203324870U (en) | Automatic temperature and humidity control system of outdoor switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |