CN108963993A - Intelligent multiloop integral type line protective devices - Google Patents

Intelligent multiloop integral type line protective devices Download PDF

Info

Publication number
CN108963993A
CN108963993A CN201810819791.9A CN201810819791A CN108963993A CN 108963993 A CN108963993 A CN 108963993A CN 201810819791 A CN201810819791 A CN 201810819791A CN 108963993 A CN108963993 A CN 108963993A
Authority
CN
China
Prior art keywords
current sensor
breaker
current
integral type
controller
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.)
Pending
Application number
CN201810819791.9A
Other languages
Chinese (zh)
Inventor
雷天云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810819791.9A priority Critical patent/CN108963993A/en
Publication of CN108963993A publication Critical patent/CN108963993A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/262Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/325Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors involving voltage comparison
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/263Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
    • H02J13/0075
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The present invention relates to indoor distribution line protection devices, more particularly to intelligent multiloop integral type line protective devices, including controller, and the air-break circuit-breaker being connected with controller, earth leakage protective device, Split electric leakage breaker, air-break circuit-breaker, earth leakage protective device, contact and arc-control device are equipped with inside Split electric leakage breaker, electromagnetic coil, the first current sensor for detecting size of current is equipped with inside air-break circuit-breaker, the second current sensor for detecting size of current is equipped with inside earth leakage protective device, the third current sensor for detecting size of current is equipped with inside Split electric leakage breaker, electromagnetic coil inside earth leakage protective device with for detecting whether the first earth detector of electric leakage is connected, electromagnetic coil and for detecting whether the second detection of electrical leakage dress to leak electricity inside Split electric leakage breaker It sets connected;Technical solution provided by the present invention can effectively overcome the defect that action error is big, can not transmit data.

Description

Intelligent multiloop integral type line protective devices
Technical field
The present invention relates to indoor distribution line protection devices, and in particular to intelligent multiloop integral type route protection dress It sets.
Background technique
Indoor line protective devices are divided into disconnecting switch, air-break circuit-breaker MCB (GB10963), the residue with overcurrent protection Leakage circuit breakers RCBO (electric leakage of abbreviation integral type) (GB16917), air-break circuit-breaker MCB and electric leakage adapter RCCB (GB16916) the remaining leakage circuit breakers (referred to as spliced electric leakage) with overcurrent protection being assembled into, overvoltage-undervoltage protector etc..Make With when by conductor (electric wire or busbar connector) end of incoming cables of each protective device is connected together, be attached in distribution box, Load circuit is connected in the lower end of protective device.
The function of air-break circuit-breaker MCB is protected to the overcurrent of route.The protection philosophy of air-break circuit-breaker MCB is: 1) overload protection is carried out using bimetal leaf;2) short-circuit protection is carried out using electromagnetic coil.(it is greater than when overload current occurs in route Rated current but wink streaming current is not achieved) when, overload current can generate heat in bimetal leaf, and bimetal leaf can occur Physical deformation drives tripping mechanism movement;When the fault current of route reaches wink streaming current value, produced using electromagnetic coil Raw magnetic force drives tripping mechanism movement.
What remaining earth leakage protective device RCBO, air-break circuit-breaker MCB with overcurrent protection and electric leakage adapter RCCB were assembled into Principle with overcurrent protector is exactly to increase earth detector on the basis of the function of air-break circuit-breaker MCB, when the leakage of route When electric current is greater than the set value, operation is turned off to tripping mechanism signal.
Existing line protective devices have the following deficiencies:
1) overload protection of line protective devices is using bimetal leaf as protective device, and action error is big;
2) overload protection, short-circuit protection and earth leakage protective all use independent actuating mechanism;
3) state of route can not be shown;
4) it cannot achieve the transmission of data;
5) rated value of line protective devices can not be adjusted.
Summary of the invention
(1) the technical issues of solving
For disadvantages mentioned above present in the prior art, the present invention provides intelligent multiloop integral type route protection dresses It sets, can effectively overcome the defect that above content is previously mentioned.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
Intelligent multiloop integral type line protective devices, including controller, and the air being connected with the controller Breaker, earth leakage protective device, Split electric leakage breaker, the air-break circuit-breaker, earth leakage protective device, Split electric leakage breaker Inside is equipped with contact and arc-control device, electromagnetic coil, and for detecting size of current is equipped with inside the air-break circuit-breaker One current sensor, the earth leakage protective device inside are equipped with the second current sensor for detecting size of current, the splicing The third current sensor for detecting size of current, the electromagnetism inside the earth leakage protective device are equipped with inside formula leakage circuit breakers Coil with for detecting whether electric leakage the first earth detector be connected, the electromagnetic wire inside the Split electric leakage breaker Circle with for detecting whether leak electricity the second earth detector be connected.
Preferably, inside first current sensor, the second current sensor, third current sensor and controller Equipped with wireless communication module.
Preferably, the wireless communication module is gsm module.
Preferably, the controller by wireless communication module by the first current sensor, the second current sensor, third The current data that current sensor detects is transferred to console.
Preferably, first current sensor, the second current sensor, third current sensor are all made of CSA601- J020T01。
Preferably, the controller uses C8051F340 chip.
(3) beneficial effect
Compared with prior art, intelligent multiloop integral type line protective devices provided by the present invention have with following Beneficial effect:
1) bimetal leaf is changed to the current value in current sensor measure loop, by controller timing acquiring current sense The data of device, analyze data, issue protection instruction, reduce action error, so that protection is more accurate;
2) executing instruction for controller can be by the electromagnetism of control short-circuit protection with the action signal of earth detector Coil is connected to execute opening operation;
3) cooperate voltage transformer, controller can calculate the parameters such as the electric current, voltage, power in each circuit, and will The loop data measured is transferred to console at a distance;
4) rated value of line protective devices can be set in the controller.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is present system structural schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Intelligent multiloop integral type line protective devices, as shown in Figure 1, include controller, and with the controller Connected air-break circuit-breaker, earth leakage protective device, Split electric leakage breaker, it is the air-break circuit-breaker, earth leakage protective device, spliced It is equipped with contact and arc-control device, electromagnetic coil inside leakage circuit breakers, is equipped with inside the air-break circuit-breaker for detecting electricity The first current sensor of size is flowed, the second current sense for detecting size of current is equipped with inside the earth leakage protective device Device, the Split electric leakage breaker inside are equipped with the third current sensor for detecting size of current, the earth leakage protective Electromagnetic coil inside device with for detecting whether the first earth detector of electric leakage is connected, the Split electric leakage breaker Internal electromagnetic coil with for detecting whether the second earth detector to leak electricity is connected.
Nothing is equipped with inside first current sensor, the second current sensor, third current sensor and controller Line communication module.
The wireless communication module is gsm module.
Module passes the first current sensor, the second current sensor, third electric current to the controller by wireless communication The current data that sensor detects is transferred to console.
First current sensor, the second current sensor, third current sensor are all made of CSA601-J020T01.
The controller uses C8051F340 chip.
First current sensor, the second current sensor, third current sensor are able to detect the electric current in circuit, and will Data are sent to controller, are analyzed by controller, and protection instruction is issued.After controller issues protection protection instruction, utilize The magnetic force that corresponding electromagnetic coil generates drives tripping mechanism movement, can form protection.
First earth detector, the second earth detector are able to detect the leakage current in circuit, work as leakage current When being greater than the set value, tripping mechanism is driven to turn off operation by the magnetic force that corresponding electromagnetic coil generates.
Intelligence multiloop integral type line protective devices provided by the present invention have the advantages that
1) bimetal leaf is changed to the current value in current sensor measure loop, by controller timing acquiring current sense The data of device, analyze data, issue protection instruction, reduce action error, so that protection is more accurate;
2) executing instruction for controller can be by the electromagnetism of control short-circuit protection with the action signal of earth detector Coil is connected to execute opening operation;
3) cooperate voltage transformer, controller can calculate the parameters such as the electric current, voltage, power in each circuit, and will The loop data measured is transferred to console at a distance;
4) rated value of line protective devices can be set in the controller.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, can't be such that the essence of corresponding technical solution departs from the spirit and scope of the technical scheme of various embodiments of the present invention.

Claims (6)

1. intelligent multiloop integral type line protective devices, it is characterised in that: including controller, and with the controller phase Air-break circuit-breaker even, earth leakage protective device, Split electric leakage breaker, the air-break circuit-breaker, earth leakage protective device, spliced leakage It is equipped with contact and arc-control device, electromagnetic coil inside electrical circuit breakers, is equipped with inside the air-break circuit-breaker for detecting electric current First current sensor of size, the earth leakage protective device inside are equipped with the second current sensor for detecting size of current, The third current sensor for detecting size of current is equipped with inside the Split electric leakage breaker, in the earth leakage protective device The electromagnetic coil in portion with for detecting whether electric leakage the first earth detector be connected, inside the Split electric leakage breaker Electromagnetic coil with for detecting whether electric leakage the second earth detector be connected.
2. intelligence multiloop integral type line protective devices according to claim 1, it is characterised in that: first electricity Wireless communication module is equipped with inside flow sensor, the second current sensor, third current sensor and controller.
3. intelligence multiloop integral type line protective devices according to claim 2, it is characterised in that: the channel radio Letter module is gsm module.
4. intelligence multiloop integral type line protective devices according to claim 1, it is characterised in that: the controller The electric current number that module detects the first current sensor, the second current sensor, third current sensor by wireless communication According to being transferred to console.
5. intelligence multiloop integral type line protective devices according to claim 1, it is characterised in that: first electricity Flow sensor, the second current sensor, third current sensor are all made of CSA601-J020T01.
6. intelligence multiloop integral type line protective devices according to claim 1, it is characterised in that: the controller Using C8051F340 chip.
CN201810819791.9A 2018-07-24 2018-07-24 Intelligent multiloop integral type line protective devices Pending CN108963993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810819791.9A CN108963993A (en) 2018-07-24 2018-07-24 Intelligent multiloop integral type line protective devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810819791.9A CN108963993A (en) 2018-07-24 2018-07-24 Intelligent multiloop integral type line protective devices

Publications (1)

Publication Number Publication Date
CN108963993A true CN108963993A (en) 2018-12-07

Family

ID=64463564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810819791.9A Pending CN108963993A (en) 2018-07-24 2018-07-24 Intelligent multiloop integral type line protective devices

Country Status (1)

Country Link
CN (1) CN108963993A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1373490A (en) * 2002-04-09 2002-10-09 丁文军 Integrated intelligent multifunctional leakage protector
CN102170107A (en) * 2011-05-05 2011-08-31 浙江德菱科技有限公司 Integral intelligent moulded case circuit breaker with residual current protection action
CN102904202A (en) * 2012-10-29 2013-01-30 浙江星明智能电气科技有限公司 Intelligent re-closing circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1373490A (en) * 2002-04-09 2002-10-09 丁文军 Integrated intelligent multifunctional leakage protector
CN102170107A (en) * 2011-05-05 2011-08-31 浙江德菱科技有限公司 Integral intelligent moulded case circuit breaker with residual current protection action
CN102904202A (en) * 2012-10-29 2013-01-30 浙江星明智能电气科技有限公司 Intelligent re-closing circuit breaker

Similar Documents

Publication Publication Date Title
US20170236676A1 (en) Circuit breaker
CN202513561U (en) Arc light protection system of high-voltage switch cabinet
BRPI1100803A2 (en) Transformer starting current suppression apparatus and method
CN206774470U (en) New Type of Low Voltage Circuit Breaker with Data Detection function
US11374405B2 (en) Communication-based permissive protection scheme for power distribution networks
CN111863559A (en) Low-voltage Internet of things breaker and fault detection method thereof
KR101261496B1 (en) Circuit for smart-earthing using permanent magnetic actuator
CN110137048A (en) Intelligent circuit breaker
EP3896811B1 (en) Contactor control device and power supply system
CN107785217A (en) A kind of Intelligent electronic optical pole breaker of plastic casing
CN102231462A (en) Leakage protection plug
CN103384062A (en) Isolation control system of grid power distribution fault detection
CN108963993A (en) Intelligent multiloop integral type line protective devices
CN203456404U (en) Direct-current circuit breaker
CN104953535A (en) Breaking circuit and active type breaking protection device applying same
CN204905675U (en) Outdoor switch box with distribution fault handling function
CN203761036U (en) Line protection device
CN108808849B (en) Interface configuration method and system
CN105811368A (en) Self-adaptive zero line broken protection device and system
CN203191490U (en) A phase failure detecting system of the high voltage side of a transformer
CN106405391A (en) Detection and protection device for residual-current circuit breaker
CN206023372U (en) A kind of intelligent controller of omnipotent breaker
CN104835692A (en) Breaker operation mechanism control device and operation box thereof
CN204886123U (en) Disconnected protection device of active branch who divides breaking of contact and applied this circuit
CN203456835U (en) Overhead power transmission line

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181207