CN205610081U - Medium voltage switchgear - Google Patents
Medium voltage switchgear Download PDFInfo
- Publication number
- CN205610081U CN205610081U CN201620421026.8U CN201620421026U CN205610081U CN 205610081 U CN205610081 U CN 205610081U CN 201620421026 U CN201620421026 U CN 201620421026U CN 205610081 U CN205610081 U CN 205610081U
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- CN
- China
- Prior art keywords
- circuit breaker
- vacuum circuit
- electric
- current transformer
- room
- 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.)
- Expired - Fee Related
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- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a medium voltage switchgear, including the closed metal cabinet body, at internal handcart room, bus -bar room, cable chamber, the instrument room of being provided with of cabinet, the indoor vacuum circuit breaker that sets up of hand push, the bus -bar room lower part sets up current transformer, and the cable chamber leading -out terminal sets up electronic earthing switch, and the high voltage power supply generating line passes through bus -bar room, current transformer get into vacuum circuit breaker, vacuum circuit breaker output connect the loaded cable through the cable chamber, vacuum circuit breaker can set up to intelligent vacuum circuit breaker the intelligent control ware of constituteing by the singlechip, input, output communication interface, background computer that can be through power supply system to the medium voltage switchgear online running state adjust, monitor, diagnose, intelligent control such as communication, be fit for the intelligent management of modern electric wire netting.
Description
Technical field
This utility model relates to a kind of power supply equipment, in particulars relate to a kind of Medium voltage switch or circuit breaker
Cabinet.
Background technology
Due to China's rapid development of economy, no matter the power supply grid of China sets from the hardware of electrical network
Executing and be obtained for unprecedented raising in software management, intelligent grid has stepped into the electricity of China
Force system, large number of Medium Voltage Switchgear is the power supply infrastructure device that electrical network is important, traditional
Medium Voltage Switchgear does not the most have intelligentized management function, has been not suitable for the intelligence of China's modern power network
Energyization manages.
Summary of the invention
The purpose of this utility model is to provide a kind of Medium Voltage Switchgear, not only has traditional switch
The power supply of cabinet, defencive function, it is also possible to medium pressure switch cubicle is carried out by background computer
Intelligent comprehensive manages.
For achieving the above object, this utility model is a kind of Medium Voltage Switchgear, including closed gold
Belong to cabinet, in cabinet, be provided with handcart room, bus-bar room, current transformer, cable vault, electricity
Dynamic earthed switch, control room, is characterized in that: hand push indoor are provided with vacuum circuit breaker, bus
Bottom, room arranges current transformer, and cable vault's leading-out terminal arranges electric ground switch, supply line
Middle voltage source bus enter vacuum circuit breaker, institute by described bus-bar room, current transformer
The output stating vacuum circuit breaker connects electricity consumption loaded cable by cable vault, and described electronic ground connection is opened
Close and be connected between the outfan of vacuum circuit breaker and cabinet earth terminal, described current transformer
And the instrument described in secondary line entrance of the voltage transformer of electric power system, leakage current transformer
Room, in order to operational factors various to switch cubicle monitor, record, and by voltage, electricity
The sampling port of stream signal carries out parameter sampling.
Arranging further, described vacuum circuit breaker is traditional vacuum circuit breaker, including controlling
Case, three-phase moving contact and electric chassis truck, described electric chassis truck is arranged on out by Electric Motor Wheel
Closing the bottom of cabinet, the panel of electric chassis truck is the panel of switch cabinet, and this set both saved
Save the volume of metal cabinet, make again the structure of closed metal cabinet become simple, described
Control chamber be fixed on the upper panel back side, after three-phase moving contact is arranged on vacuum circuit breaker
Portion, is provided with close-fitting with described three-phase moving contact three in the front end of described current transformer
Phase static contact.
Especially, described vacuum circuit breaker is intelligent vacuum circuit breaker, including control chamber, three
Phase moving contact and electric chassis truck, described electric chassis truck is arranged on switch cubicle by Electric Motor Wheel
Bottom, the panel of electric chassis truck is the panel of switch cabinet, and described control chamber is fixed on
The upper panel back side, three-phase moving contact is arranged on the rear portion of intelligent vacuum circuit breaker, at described electricity
The front end of current transformer is provided with three-phase static contact close-fitting with described three-phase moving contact,
Being provided with temperature transducer on described three-phase static contact, described control chamber includes by singlechip group
The intelligent controller become, inputs, exports communication interface and wireless communication module, described input
Communication interface connects the folding sensor of electric power system vacuum circuit breaker, voltage by aviation socket
The sampling port of transformer, current transformer, electricity leakage sensor and control room, described output
Interface is R485 standard communication interface, through the background computer phase of fieldbus with electric power system
Even, by background computer, described Medium Voltage Switchgear on-line operation state can be adjusted,
Monitor, diagnose, the intelligent management such as communication.
The Medium Voltage Switchgear of above structure has the beneficial effect that this Medium Voltage Switchgear has one
As the power supply of Medium Voltage Switchgear, defencive function, the most also have and electric power system background computer
Be connected function, can pass through background computer to switch cubicle on-line operation monitoring state, examine
Break, adjust, the intelligentized control method such as communication, be suitable for the intelligent management of modern power network.
Accompanying drawing explanation
Fig. 1 is this utility model Medium Voltage Switchgear Facad structure schematic diagram.
Fig. 2 is the main circuit side structure schematic diagram that Fig. 1 removes side cover.
Detailed description of the invention
As shown in Figure 1 and Figure 2, this utility model embodiment is a kind of Medium Voltage Switchgear, including
Closed metal cabinet, is provided with handcart room 1, bus-bar room 4, current transformer in cabinet
501, electric ground switch 503, cable vault 5, control room 2,3, set on cabinet panel
It is equipped with instrument display window 201,301, observation window 105 and electric chassis truck handle 1022,
Arranging vacuum circuit breaker 103 in described hand push room 1, bus-bar room 4 bottom arranges Current Mutual Inductance
Device 501, cable vault 5 leading-out terminal arranges electric ground switch 503, the middle piezoelectricity of power circuit
Source bus 401 enters vacuum circuit breaker 103, institute by bus-bar room 4, current transformer 501
The output of the vacuum circuit breaker 103 stated connects loaded cable in cable vault by cable connector 502,
Described electric ground switch 503 is connected to outfan and the cabinet ground connection of vacuum circuit breaker 103
Between end, the described control room 2,3 described in the entrance of current transformer 501 secondary line, instrument
Table room 2 arranges electric current, monitoring voltage instrument, and control room 3 arranges electric energy measurement instrument, simultaneously
Control room is additionally provided with the sample of signal port of voltage, electric current, when load circuit produced stream,
During the faults such as overvoltage, short circuit, electric leakage, described vacuum circuit breaker 103 can cut off rapidly load,
Protection equipment is not by permanent damage.
In the Medium Voltage Switchgear of above structure, described vacuum circuit breaker 103 is intelligent vacuum
Chopper, including control chamber 104, three-phase moving contact 101 and electric chassis truck 102, described
Electric chassis truck 102 is arranged on the bottom of switch cubicle by Electric Motor Wheel 105, chassis 102
Panel is the panel 1021 of switch cubicle, and this set had both saved the volume of switch cubicle, again
The structure making closed metal cabinet becomes simple, and described control chamber 104 is fixed on panel
1021 top rear face, three-phase moving contact 101 is arranged on the rear portion of chopper 103, at electric current
The front end of transformer 501 is provided with three-phase static contact close-fitting with three-phase moving contact, three
Being provided with wireless temperature-measuring sensor on phase static contact, described control chamber 104 includes by single-chip microcomputer
The intelligent controller of composition, inputs, exports communication interface and wireless communication module, and described is defeated
Enter communication interface and connect the folding sensor of intelligent vacuum circuit breaker 103, electricity by aviation socket
Pressure transformer, current transformer, electricity leakage sensor and the signal port of control room, described is defeated
Outgoing interface is R485 standard communication interface, by the hind computation of fieldbus Yu electric power system
Machine is connected, and is provided with wireless temperature-measuring sensor on described three-phase static contact, and this position is true
The highest portion position of empty chopper 103 temperature rise, temperature signal is sent to controlling by wireless transmitter
The wireless communication module of case 104, when contact temperature exceedes setting value, described control chamber
104 can export control signal makes intelligent vacuum circuit breaker 103 thread off, and uses wireless temperature measurement sensing
Device is avoided that the hazard exposure of described control chamber and main circuit once middle line ball.
In the Medium Voltage Switchgear of above structure, the folding sensing of described vacuum circuit breaker 103
Device is the straight displacement transducer of mechanical type, and described voltage, current transformer are that electromagnetic potential is mutual
Sensor, electromagnetic current transducer, described electricity leakage sensor is electromagnetic leakage sensor.
In the Medium Voltage Switchgear of above structure, the output R485 standard of described control chamber 104
Communication interface can be connected with the background computer of electric power system, by background computer to power supply system
The protection features such as voltage, electric current, electric leakage and the temperature of system are configured, adjust and Medium voltage switch or circuit breaker
The on-line operation monitoring state of cabinet, to ensure switch cubicle to be operated in the most reasonably to power environment
In, for the power supply reliable and stable with electric loading offer.
Claims (3)
1. a Medium Voltage Switchgear, including closed metal cabinet, is provided with hands in cabinet
Car room, bus-bar room, current transformer, cable vault, electric ground switch, control room, it is special
Levying and be: hand push indoor arrange vacuum circuit breaker, bus-bar room bottom arranges current transformer, cable
Room leading-out terminal arranges electric ground switch, and middle voltage source bus is by described bus-bar room, electric current
Transformer enters vacuum circuit breaker, and described vacuum circuit breaker output connects load electricity by cable vault
Cable, described electric ground switch be connected to the outfan of vacuum circuit breaker and cabinet earth terminal it
Between, the described control room described in the entrance of Current Transformer Secondary line.
Medium Voltage Switchgear the most according to claim 1, described vacuum circuit breaker includes
Control chamber, three-phase moving contact and electric chassis truck, described electric chassis truck is arranged by Electric Motor Wheel
In the bottom of switch cubicle, the panel of electric chassis truck is the panel of switch cabinet, described control
Case processed is fixed on the upper panel back side, and three-phase moving contact is arranged on the rear portion of vacuum circuit breaker,
The front end of described current transformer is provided with three-phase stationary contact close-fitting with described three-phase moving contact
Head.
Medium Voltage Switchgear the most according to claim 1 and 2, described vacuum circuit breaker
For intelligent vacuum circuit breaker, including control chamber, three-phase moving contact and electric chassis truck, described electricity
Dynamic chassis is arranged on the bottom of switch cubicle by Electric Motor Wheel, and the panel of electric chassis truck is out
Closing the panel of cabinet, described control chamber is fixed on the upper panel back side, and three-phase moving contact is arranged
At the rear portion of intelligent vacuum circuit breaker, it is provided with and described three-phase in the front end of described current transformer
Moving contact close-fitting three-phase static contact, is provided with wireless temperature measurement on described three-phase static contact
Sensor, described control chamber is provided with the intelligent controller being made up of single-chip microcomputer, described intelligence
The R485 standard communication interface of controller can be with the hind computation of electric power system by fieldbus
Machine is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421026.8U CN205610081U (en) | 2016-05-05 | 2016-05-05 | Medium voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421026.8U CN205610081U (en) | 2016-05-05 | 2016-05-05 | Medium voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610081U true CN205610081U (en) | 2016-09-28 |
Family
ID=56966716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620421026.8U Expired - Fee Related CN205610081U (en) | 2016-05-05 | 2016-05-05 | Medium voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746606A (en) * | 2020-06-19 | 2020-10-09 | 莆田学院 | Multifunctional circuit breaker transfer cart |
| CN112103831A (en) * | 2020-08-06 | 2020-12-18 | 河南平高通用电气有限公司 | PT handcart and use cubical switchboard of this PT handcart |
-
2016
- 2016-05-05 CN CN201620421026.8U patent/CN205610081U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746606A (en) * | 2020-06-19 | 2020-10-09 | 莆田学院 | Multifunctional circuit breaker transfer cart |
| CN111746606B (en) * | 2020-06-19 | 2024-04-02 | 莆田学院 | Multi-functional circuit breaker transportation shallow |
| CN112103831A (en) * | 2020-08-06 | 2020-12-18 | 河南平高通用电气有限公司 | PT handcart and use cubical switchboard of this PT handcart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20190505 |