CN108963993A - Intelligent multiloop integral type line protective devices - Google Patents
Intelligent multiloop integral type line protective devices Download PDFInfo
- 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
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 40
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 8
- 230000007547 defect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency 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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised 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
- H02H7/262—Sectionalised 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency 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
- H02H3/32—Emergency 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
- H02H3/325—Emergency 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency 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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised 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
- H02H7/263—Sectionalised 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
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- H02J13/0075—
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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
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.
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 |
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CN108963993A true CN108963993A (en) | 2018-12-07 |
Family
ID=64463564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810819791.9A Pending CN108963993A (en) | 2018-07-24 | 2018-07-24 | Intelligent multiloop integral type line protective devices |
Country Status (1)
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CN (1) | CN108963993A (en) |
Citations (3)
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 |
-
2018
- 2018-07-24 CN CN201810819791.9A patent/CN108963993A/en active Pending
Patent Citations (3)
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 |
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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 |