CN203251006U - Intelligent medium voltage switch cabinet - Google Patents
Intelligent medium voltage switch cabinet Download PDFInfo
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- CN203251006U CN203251006U CN 201320316235 CN201320316235U CN203251006U CN 203251006 U CN203251006 U CN 203251006U CN 201320316235 CN201320316235 CN 201320316235 CN 201320316235 U CN201320316235 U CN 201320316235U CN 203251006 U CN203251006 U CN 203251006U
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Abstract
The utility model relates to the technical field of power system equipment, and specifically relates to an intelligent medium voltage switch cabinet. The switch cabinet comprises an enclosing metal cabinet body, and a handcart chamber, a bus chamber, a cable chamber and an instrument chamber are separately arranged in the cabinet body. The handcart chamber is provided with an intelligent breaker, and the intelligent breaker comprises a control box, three-phase movable contacts and an electric chassis vehicle. A mechanical characteristic on-line monitoring device, a breaker control circuit parameter measuring device and an intelligent control module are disposed in the control box. A communication interface connected with the intelligent control module is arranged at the upper portion of the control box. An intelligent module data collecting device connected with the communication interface is disposed in the instrument chamber. The intelligent medium voltage switch has functions of intelligent monitor, diagnosis and control, is of compact structure and better mechanical and electrical performance, and is operated safely and reliably.
Description
Technical field
The present invention relates to the power system device technical field, relate in particular to a kind of intelligent Medium Voltage Switchgear.
Background technology
The stable operation of electric power system not only affects the sustainable development of national economy, and closely bound up with the people's daily life.Along with the development of science and technology, every profession and trade production and resident living have proposed more and more higher requirement to quality and the management of electric power supply, and State Grid Corporation of China has also proposed the concept of intelligent grid.As the elementary cell of electrical network, the 10KV medium voltage switchgear equipment must change traditional design and control model just can be complied with the trend of social development, could be for realizing that intelligent grid lays the foundation.
Traditional Medium Voltage Switchgear adopts the metal cabinet of sealing, thereby can't in time understand the operation conditions of switchgear in the cabinet.Again it is overhauled and changes after switchgear breaks down, the maintainer can not detect switch cubicle internal fault situation and fault occurrence positions rapidly and accurately, and this fault is paroxysmal, without any early warning, might be explosion caused, fire etc. seriously jeopardizes the accident of personal safety, affect simultaneously the reliability of supply and distribution network, and bring thus heavy economic losses, cause serious social influence.The intelligent degree of traditional Medium Voltage Switchgear is lower, because that structure arranges is unreasonable, volume is larger, and mechanical transmission mechanism is unstable, and technical indicator is lower.The intellectuality of Medium Voltage Switchgear relates to aspects such as measuring digitlization, control networking, status visualization, information interaction.Wherein, measuring digitlization and status visualization is that the equipment on-line condition monitoring is applied to the medium-voltage equipment Design of Reliability Analysis; The control networking then mainly is that intermediate distribution system is dissolved in the whole electrical network with information interactionization, analyzes design, dispatching and monitoring thereby carry out communication.Along with the upgrading of Medium Voltage Switchgear, be necessary to research and develop a kind of intelligent Medium Voltage Switchgear with monitoring, diagnosis and control function.
Summary of the invention
The object of the invention is to provides a kind of intelligent Medium Voltage Switchgear for the existing problem of prior art, this intelligent Medium Voltage Switchgear possesses intelligent monitoring, diagnosis and control function, its compact conformation, machinery and electric property are better, safe and reliable to operation.
For achieving the above object, the present invention is achieved through the following technical solutions.
A kind of intelligent Medium Voltage Switchgear comprises the metal cabinet of sealing, and isolation being provided with handcart chamber, bus-bar room, cable vault and control room, the indoor intelligent breaker that is provided with of handcart in the cabinet; Described intelligent breaker comprises control cabinet, three-phase moving contact and electric chassis truck, and control cabinet is fixedly installed on the electric chassis truck, and three-phase moving contact is arranged at the rear portion of control cabinet; Bus-bar room is provided with and the close-fitting three-phase fixed contact of described three-phase moving contact, be provided with contact temperature online monitoring device on the described three-phase fixed contact, be provided with the mechanical property on-Line Monitor Device in the described control cabinet, breaker control circuit parameter measuring apparatus and intelligent control module, described mechanical property on-Line Monitor Device, described breaker control circuit parameter measuring apparatus and described contact temperature online monitoring device are connected with described intelligent control module respectively, the top of described control cabinet is provided with the communication interface that is connected with described intelligent control module, and described control room is provided with the intelligent object data acquisition unit that is connected with described communication interface.
Wherein, be provided with the intelligent display screen on the panel of described control cabinet, described intelligent display screen is electrically connected with described intelligent control module, described communication interface is 24 cores or 30 core aviation sockets, described mechanical property on-Line Monitor Device is straight displacement transducer, described breaker control circuit parameter measuring apparatus is the Hall current voltage sensor, and described contact temperature online monitoring device is radio temperature sensor, and described radio temperature sensor is connected with described intelligent control module wireless signal.
Wherein, be provided with the electric chassis vehicle controller in the described control cabinet, described electric chassis vehicle controller is electrically connected with described intelligent control module.
Wherein, described handcart chamber, described bus-bar room and described cable vault are separately installed with camera, are provided with LCDs on the cabinet, and described camera is electrically connected with described LCDs by described intelligent object data acquisition unit.
Wherein, described handcart chamber, described bus-bar room and described cable vault are respectively arranged with heater and temperature-humidity monitoring transducer, described control room is provided with temperature and humidity controller, described heater be connected the temperature-humidity monitoring transducer and be connected with described temperature and humidity controller respectively, described temperature and humidity controller is connected with described intelligent object data acquisition unit.
Wherein, described cable vault is provided with earthed switch motor drive mechanism and electric ground switch control module, the running of electric ground switch control module control earthed switch motor drive mechanism, described earthed switch motor drive mechanism is provided with the electric leakage pick-up transducers, and described electric leakage pick-up transducers is connected with described intelligent object data acquisition unit.
Beneficial effect of the present invention is: this intelligent Medium Voltage Switchgear is as protection and the control unit of grid equipment, industrial and mining enterprises' dynamic design; have perfect on-line condition monitoring, diagnosis, communication and data recording function, significantly improved intellectuality and the reliability of circuit breaker system.
Description of drawings
The below utilizes accompanying drawing, and the present invention is further illustrated, but the embodiment in the accompanying drawing does not consist of any limitation of the invention.
Fig. 1 is the structural representation of facing of the present invention;
Fig. 2 is internal structure schematic diagram of the present invention;
Fig. 3 is the structural representation of facing of intelligent breaker of the present invention;
Fig. 4 is the side-looking structural representation of intelligent breaker of the present invention;
Fig. 5 is the plan structure schematic diagram of intelligent breaker of the present invention;
Fig. 6 is the internal structure schematic diagram of the control cabinet of intelligent breaker of the present invention.
In Fig. 1 to Fig. 6, include:
10, cabinet; 11, handcart chamber; 12, bus-bar room; 13, cable vault; 14, control room;
15, intelligent object data acquisition unit; 16, LCDs;
17, contact temperature online monitoring device; 18, three-phase fixed contact;
20, intelligent breaker; 21, control cabinet; 22, three-phase moving contact;
23, electric chassis truck; 24, intelligent display screen; 25, communication interface;
26, intelligent control module; 27, mechanical property on-Line Monitor Device;
28, breaker control circuit parameter measuring apparatus; 29, electric chassis vehicle controller;
31, temperature-humidity monitoring transducer; 32, heater; 33, camera;
41, earthed switch motor drive mechanism; 42, electric ground switch control module;
43, electric leakage pick-up transducers.
Embodiment
The following stated only is preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.To shown in Figure 6, a kind of intelligent Medium Voltage Switchgear comprises the metal cabinet 10 of sealing such as Fig. 1, and cabinet 10 interior isolation are provided with handcart chamber 11, bus-bar room 12, cable vault 13 and control room 14, are provided with intelligent breaker 20 in the handcart chamber 11; Described intelligent breaker 20 comprises control cabinet 21, three-phase moving contact 22 and electric chassis truck 23, and control cabinet 21 is fixedly installed on the electric chassis truck 23, and three-phase moving contact 22 is arranged at the rear portion of control cabinet 21; Bus-bar room 12 is provided with and described three-phase moving contact 22 close-fitting three-phase fixed contacts 18, be provided with contact temperature online monitoring device 17 on the described three-phase fixed contact 18, be provided with mechanical property on-Line Monitor Device 27 in the described control cabinet 21, breaker control circuit parameter measuring apparatus 28 and intelligent control module 26, described mechanical property on-Line Monitor Device 27, described breaker control circuit parameter measuring apparatus 28 and described contact temperature online monitoring device 17 are connected with described intelligent control module 26 respectively, the top of described control cabinet 21 is provided with the communication interface 25 that is connected with described intelligent control module 26, and described control room 14 is provided with the intelligent object data acquisition unit 15 that is connected with described communication interface 25.
Be provided with intelligent display screen 24 on the panel of described control cabinet 21, described intelligent display screen 24 is electrically connected with described intelligent control module 26, described communication interface 25 is 24 cores or 30 core aviation sockets, described mechanical property on-Line Monitor Device 27 is straight displacement transducer, described breaker control circuit parameter measuring apparatus 28 is the Hall current voltage sensor, described contact temperature online monitoring device 17 is radio temperature sensor, and described radio temperature sensor is connected with described intelligent control module 26 wireless signals.Described mechanical property on-Line Monitor Device 27 is straight displacement transducer, by straight displacement transducer is installed, the Direct Travel displacement of on-line monitoring three-phase moving contact 22 swing arms, thus calculate the mechanical parameter such as contact closing speed, opening velocity, branch wire time and divide-shut brake stroke curve.Breaker control circuit parameter measuring apparatus 28 is the Hall current voltage sensor, divide-shut brake coil current in the operating process of integrated Hall voltage current sensor record and the electric current and voltage of energy storage motor are found the fault trend in breaker operator loop in advance by the variation of analytical line loop current characteristic value point.Contact temperature online monitoring device 17 is radio temperature sensor, radio temperature sensor is connected with intelligent control module 26 wireless signals, utilize radio temperature sensor to measure near the temperature of circuit breaker Mume flower contact, be passed to intelligent control module 26 and in 24 demonstrations of intelligent display screen, when loop temperature raises unusually, send alarm signal by the wireless transmission transport module again.Information can outwards be transmitted by communication interface 25, communication interface 25 adopts 485 bus modes, utilize the vacant contact pin of aviation socket to communicate, and can be connected and consist of the distributed monitoring diagnostic system with on-line monitoring system, measurement parameter is sent in the remote monitoring system, and digitized control interface is provided, can have adapted to the needs of digital transformer substation system digital remote control.
Be provided with electric chassis vehicle controller 29 in the described control cabinet 21, described electric chassis vehicle controller 29 is electrically connected with described intelligent control module 26.Electric chassis vehicle controller 29 merges with the circuit breaker monitor control system; realize the electronic turnover of circuit breaker, have simultaneously manual priority, overcurrent protection, electricapparatus locking, advance and retreat control, brake hard, standard communication interface, remote functionality is called and the function such as warning.
Be provided with intelligent display screen 24 on the panel of described control cabinet 21, intelligent display screen 24 is electrically connected with intelligent control module 26.Systematic survey and analysis result show on the breaker operator panel immediately by intelligent display screen 24, specifically be divided into seven function interfaces, comprise: operational factor interface, separating brake displacement curve interface, combined floodgate displacement curve interface, separating brake current curve interface, switching current curve interface, energy storage motor current curve interface and comprehensive state display interface.
Described handcart chamber 11, described bus-bar room 12 and described cable vault 13 are separately installed with camera 33, are provided with LCDs 16 on the cabinet 10, and described camera 33 is electrically connected with described LCDs 16 by described intelligent object data acquisition unit 15.Can observe easily the working condition of electric equipment in the cabinet by being arranged at camera 33 in the cabinet, simultaneously electric equipment break down also rapidly and accurately failure judgement situation and position in the cabinet, the realization compartment is visual, easy access, and its structure arranges rationally, easy to use, safe and reliable.The camera 33 of handcart chamber 11 is installed on the sidewall of handcart chamber 11 and with intelligent breaker 20 and is oppositely arranged.Bus-bar room 12 is provided with bus bar wiring terminal, and the camera 33 of described bus-bar room 12 is installed on the top of bus-bar room 12 and is oppositely arranged with bus bar wiring terminal.The camera 33 of cable vault 13 is installed on the rear portion of cable vault 13.In handcart promotion intelligent breaker 20 turnover processes and in the electronic divide-shut brake process of earthed switch, LCDs 16 automatically switches to video clip, can observe the motion process of valve, one-time contact and moving contact of grounding switch.Intelligent object data acquisition unit 15 is connected with the external monitoring system by communication interface 25, and the vision signal that camera 33 is collected is sent to the external monitoring system, can form long-range distributed on line monitoring diagnostic system.Described camera 33 is rotatable camera.Described camera 33 is provided with the LED illuminating lamp.Rotate camera 33 during detection, and open the LED illuminating lamp, so that monitoring range is larger, the video image effect is more clear, and is easy to use.
Described handcart chamber 11, described bus-bar room 12 and described cable vault 13 are respectively arranged with heater 32 and temperature-humidity monitoring transducer 31, described control room 14 is provided with temperature and humidity controller, described heater 32 be connected temperature-humidity monitoring transducer 31 and be connected with described temperature and humidity controller respectively, described temperature and humidity controller is connected with described intelligent object data acquisition unit 15.Temperature and humidity controller receives the temperature-humidity signal that the temperature-humidity monitoring transducer 31 of each bin monitors, make corresponding bin be heated to suitable temperature by calculating and control heater 32 runnings, with the humiture environment that keeps each bin on condensation point, thereby prevent condensation.Heater 32 and the Temperature Humidity Sensor of described handcart chamber 11 are installed on the sidewall of described cabinet 10.The heater 32 of described bus-bar room 12 and Temperature Humidity Sensor are installed on the rear plate of described cabinet 10.The heater 32 of described cable vault 13 and Temperature Humidity Sensor are installed on the rear plate of described cabinet 10.Offer observation window in the position of corresponding handcart chamber 11, bus-bar room 12 and cable vault 13 respectively on the described cabinet 10, by observation window can check easily respectively isolate bin in the cabinet 10 whether have a condensation phenomenon.This intelligent Medium Voltage Switchgear does not singly adopt the heating and dehumidification control mode, be provided with simultaneously temperature and humidity controller, monitor the humiture of respectively isolating bin inside and outside the cabinet in the humiture and cabinet 10 by temperature and humidity controller, and then controlling humiture in the cabinet, thereby can effectively prevent the condensation phenomenon, ensure that power equipment is safe and reliable to operation.
Described cable vault 13 is provided with earthed switch motor drive mechanism 41 and electric ground switch control module 42,41 runnings of electric ground switch control module 42 control earthed switch motor drive mechanisms, described earthed switch motor drive mechanism 41 is provided with electric leakage pick-up transducers 43, and described electric leakage pick-up transducers 43 is connected with described intelligent object data acquisition unit 15.For ease of the inspection and maintenance of cabinet 10 cable side, switch cubicle can adopt in the cable side configuration earthed switch of intelligent electric control pass, closing operation.Earthed switch adopts two-way bevel gear transmission, and realization and forward and backward door are chain; Minute, not only steadily light during closing operation, braking, accurate positioning are effectively avoided misoperation and the infringement of the interlocking gear that causes, and have improved cable and articulate height, enlarge to greatest extent the cable space for maintenance, also possessed simultaneously the functions such as manual priority and remote operation.
Compare with the Medium Voltage Switchgear of routine; this intelligent Medium Voltage Switchgear is as protection and the control unit of grid equipment, industrial and mining enterprises' dynamic design; have perfect on-line condition monitoring, diagnosis, communication and data recording function, significantly improved intellectuality and the reliability of circuit breaker system.
Above content is preferred embodiment of the present invention only, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (6)
1. intelligent Medium Voltage Switchgear, the metal cabinet (10) that comprises sealing, isolation is provided with handcart chamber (11), bus-bar room (12), cable vault (13) and control room (14) in the cabinet (10), it is characterized in that: be provided with intelligent breaker (20) in handcart chamber (11); Described intelligent breaker (20) comprises control cabinet (21), three-phase moving contact (22) and electric chassis truck (23), and control cabinet (21) is fixedly installed on the electric chassis truck (23), and three-phase moving contact (22) is arranged at the rear portion of control cabinet (21); Bus-bar room (12) is provided with and the close-fitting three-phase fixed contact of described three-phase moving contact (22) (18), be provided with contact temperature online monitoring device (17) on the described three-phase fixed contact (18), be provided with mechanical property on-Line Monitor Device (27) in the described control cabinet (21), breaker control circuit parameter measuring apparatus (28) and intelligent control module (26), described mechanical property on-Line Monitor Device (27), described breaker control circuit parameter measuring apparatus (28) and described contact temperature online monitoring device (17) are connected with described intelligent control module (26) respectively, the top of described control cabinet (21) is provided with the communication interface (25) that is connected with described intelligent control module (26), and described control room (14) are provided with the intelligent object data acquisition unit (15) that is connected with described communication interface (25).
2. intelligent Medium Voltage Switchgear according to claim 1, it is characterized in that: be provided with intelligent display screen (24) on the panel of described control cabinet (21), described intelligent display screen (24) is electrically connected with described intelligent control module (26), described communication interface (25) is 24 cores or 30 core aviation sockets, described mechanical property on-Line Monitor Device (27) is straight displacement transducer, described breaker control circuit parameter measuring apparatus (28) is the Hall current voltage sensor, described contact temperature online monitoring device (17) is radio temperature sensor, and described radio temperature sensor is connected with described intelligent control module (26) wireless signal.
3. intelligent Medium Voltage Switchgear according to claim 1, it is characterized in that: be provided with electric chassis vehicle controller (29) in the described control cabinet (21), described electric chassis vehicle controller (29) is electrically connected with described intelligent control module (26).
4. intelligent Medium Voltage Switchgear according to claim 1, it is characterized in that: described handcart chamber (11), described bus-bar room (12) and described cable vault (13) are separately installed with camera (33), be provided with LCDs (16) on the cabinet (10), described camera (33) is electrically connected with described LCDs (16) by described intelligent object data acquisition unit (15).
5. intelligent Medium Voltage Switchgear according to claim 1, it is characterized in that: described handcart chamber (11), described bus-bar room (12) and described cable vault (13) are respectively arranged with heater (32) and temperature-humidity monitoring transducer (31), described control room (14) is provided with temperature and humidity controller, described heater (32) be connected temperature-humidity monitoring transducer (31) and be connected with described temperature and humidity controller respectively, described temperature and humidity controller is connected with described intelligent object data acquisition unit (15).
6. intelligent Medium Voltage Switchgear according to claim 1, it is characterized in that: described cable vault (13) are provided with earthed switch motor drive mechanism (41) and electric ground switch control module (42), electric ground switch control module (42) control earthed switch motor drive mechanism (41) running, described earthed switch motor drive mechanism (41) is provided with electric leakage pick-up transducers (43), and described electric leakage pick-up transducers (43) is connected with described intelligent object data acquisition unit (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320316235 CN203251006U (en) | 2013-06-03 | 2013-06-03 | Intelligent medium voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320316235 CN203251006U (en) | 2013-06-03 | 2013-06-03 | Intelligent medium voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN203251006U true CN203251006U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320316235 Expired - Fee Related CN203251006U (en) | 2013-06-03 | 2013-06-03 | Intelligent medium voltage switch cabinet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259208A (en) * | 2013-06-03 | 2013-08-21 | 宁波电业局 | Intelligent medium voltage switch cabinet |
| CN103762513A (en) * | 2013-12-26 | 2014-04-30 | 北京科锐配电自动化股份有限公司 | Intelligent hand cart breaker and intelligent switch cabinet provided with breaker |
| CN104466778A (en) * | 2014-12-31 | 2015-03-25 | 苏州市龙源电力科技股份有限公司 | Metal armoring draw-out type switch cabinet |
| CN105990904A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage magnetic field pressure non-contact potential measurement switch cabinet |
-
2013
- 2013-06-03 CN CN 201320316235 patent/CN203251006U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259208A (en) * | 2013-06-03 | 2013-08-21 | 宁波电业局 | Intelligent medium voltage switch cabinet |
| CN103259208B (en) * | 2013-06-03 | 2015-09-02 | 宁波电业局 | A kind of intelligent medium voltage switchgear |
| CN103762513A (en) * | 2013-12-26 | 2014-04-30 | 北京科锐配电自动化股份有限公司 | Intelligent hand cart breaker and intelligent switch cabinet provided with breaker |
| CN103762513B (en) * | 2013-12-26 | 2016-09-14 | 北京科锐配电自动化股份有限公司 | Intelligent handcart circuit breaker and intelligent switch cabinet provided with same |
| CN104466778A (en) * | 2014-12-31 | 2015-03-25 | 苏州市龙源电力科技股份有限公司 | Metal armoring draw-out type switch cabinet |
| CN105990904A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage magnetic field pressure non-contact potential measurement switch cabinet |
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| Date | Code | Title | Description |
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| 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: 20131023 Termination date: 20210603 |