CN207516775U - A kind of intelligent flexible current limliting based on copper-manganese resistance sampling takes control breaker - Google Patents
A kind of intelligent flexible current limliting based on copper-manganese resistance sampling takes control breaker Download PDFInfo
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- CN207516775U CN207516775U CN201720892991.8U CN201720892991U CN207516775U CN 207516775 U CN207516775 U CN 207516775U CN 201720892991 U CN201720892991 U CN 201720892991U CN 207516775 U CN207516775 U CN 207516775U
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- breaker
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- manganese
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- 238000005070 sampling Methods 0.000 title claims abstract description 40
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 230000003750 conditioning effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012428 routine sampling Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Abstract
The utility model is related to a kind of intelligent flexible current limlitings based on copper-manganese resistance sampling to take control breaker, including：Breaker body, including：Copper-manganese sampling resistor and thermal tripping mechanism replace double golden materials in original thermal tripping mechanism using copper-manganese sampling resistor, for passing through the load current that breaker is flowed through in the acquisition in real time of copper-manganese sampling resistor；Load current after the conditioning for the load current to be acquired and improved, and is sent to main control module by sampling module；Main control module, including：Load current after the conditioning for receiving the load current after the conditioning, is converted to current digital signal, and be compared with preset current threshold by MCU chip, and operational order is sent to reclosing module；Reclosing module for receiving the operational order, and performs action according to the operational order using driving circuit driving direct current generator completion breaker；Power module, for it is described take control breaker arrearage tripping after, power for breaker body.
Description
Technical field
Copper-manganese resistance sampling is based on the utility model is related to intelligent low-voltage electrical appliance field, and more particularly, to one kind
Intelligent flexible current limliting take control breaker.
Background technology
In low-voltage distribution system, intelligent protection and intelligent power are more and more important, and power supply enterprise is with user to intelligent electricity
The attention that the safety of table, convenience require also to be continuously improved and China develops the technology of intelligent electric meter, national grid pair
The q＆r of electric energy meter on-load switch is paid much attention to, important measurement instrument of the intelligent electric energy meter as intelligent grid,
In addition to the basic function for having traditional electric quantity metering, also with power information storage, two-way a variety of rate meterings, user terminal control
System, the bidirectional data communication of plurality of data transmission modes, the functions such as anti-electricity-theft, are the following intelligentized hairs of energy-conserving intelligent power grid
Open up direction.State Grid Corporation of China formulates《The external Circuit breaker technology specification of electric energy meter》, specification is a kind of and intelligent electric energy meter phase
Associated special miniature circuit breaker technology requirement.The external breaker of novel electric energy meter not only improve electric energy meter expense control system can
By property, the safe and stable operation of Power System Intelligent management and service is also ensured that.
However, for existing electric energy meter, when timely or other cause specifics do not fail to pay the electricity charge user, use
Family will be unable to continue electricity consumption, this can affect to the basic living of user.Therefore, it is badly in need of a kind of based on copper-manganese resistance
The intelligent flexible current limliting of sampling takes control breaker, to meet the basic electricity of user, carries out human-based management, makes that user's is basic
Power demand is protected, when the basic electricity demand for occurring that user can also be met during arrearage.
Invention content
The utility model provides a kind of intelligent flexible current limliting expense control breaker based on copper-manganese resistance sampling, existing to solve
There is electric energy meter that cannot meet the basic electricity of user, the problem of basic electricity demand of user cannot ensure.
To solve the above-mentioned problems, the utility model provides a kind of intelligent flexible current limliting expense based on copper-manganese resistance sampling
Breaker is controlled, the expense control breaker includes：Breaker body, sampling module, main control module, reclosing module, power module,
The breaker body, including：Copper-manganese sampling resistor and thermal tripping mechanism are replaced original using copper-manganese sampling resistor
Double golden materials in thermal tripping mechanism, the breaker body are used to flow through breaker by the real-time acquisition of copper-manganese sampling resistor
Load current；
The sampling module, for the load current to be acquired and is improved, and the load after the conditioning is electric
Stream is sent to main control module；
The main control module, including：MCU (Micro Controller Unit, miniature control unit) chip, it is described
MCU chip is used to receive the load current after the conditioning, and the load current after the conditioning is converted to current digital signal,
And be compared the current digital signal and preset current threshold, send operational order to reclosing module；
The reclosing module for receiving the operational order, and is driven according to the operational order using driving circuit
Dynamic direct current generator completion breaker performs action；
The power module, for it is described take control breaker arrearage tripping after, power for breaker body.
Preferably, wherein the breaker body further includes：Electromagnetic unit, operating mechanism, input terminal, arc extinguishing unit and
Outlet terminal, the input terminal, copper-manganese sampling resistor, thermal tripping mechanism, operating mechanism, electromagnetic unit and outlet terminal are successively
Connection.
Preferably, wherein the main control module further includes：Computation chip,
The computation chip is recorded and is stored for the data to working state of circuit breaker.
Preferably, wherein the expense control breaker further includes：Human-computer interaction module and communication module,
The human-computer interaction module is configured predetermined current threshold for the demand according to different user；
The communication module realizes the expense control breaker and other external equipments for passing through RS485 or power carrier
Between communication.
The beneficial effects of the utility model are：
The utility model provides a kind of intelligent flexible current limliting expense control breaker based on copper-manganese resistance sampling, utilizes copper-manganese
Sampling resistor replaces double golden materials in original thermal tripping mechanism, and the current value and the threshold of software set that Acquisition Circuit is inputted
Value is compared, and is judged whether to restore to close a floodgate after arrearage, to meet the basic electricity of user, is carried out human-based management,
The basic electricity demand of user is made to be protected, when the basic electricity demand for occurring that user can also be met during arrearage.
Description of the drawings
By reference to the following drawings, the illustrative embodiments of the utility model can be more fully understood by：
Fig. 1 is to take control breaker according to the intelligent flexible current limliting based on copper-manganese resistance sampling of the utility model embodiment
Structure diagram；And
Fig. 2 is the schematic diagram according to the copper-manganese resistance of the utility model embodiment.
Specific embodiment
The illustrative embodiments of the utility model are introduced referring now to attached drawing, however, the utility model can use many
Different forms is implemented, and be not limited to the embodiment described herein, and it is in order at large and complete to provide these embodiments
Open the utility model entirely, and fully convey the scope of the utility model to person of ordinary skill in the field.For
Term in the illustrative embodiments being illustrated in the accompanying drawings is not the restriction to the utility model.In the accompanying drawings, it is identical
Cells/elements use identical reference numeral.
Unless otherwise indicated, term used herein has person of ordinary skill in the field (including scientific and technical terminology)
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The linguistic context of related field has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is to take control breaker according to the intelligent flexible current limliting based on copper-manganese resistance sampling of the utility model embodiment
Structure diagram.As shown in Figure 1, the intelligent flexible current limliting expense control breaker based on copper-manganese resistance sampling is adopted using copper-manganese
Sample resistance replaces double golden materials in original thermal tripping mechanism, and the current value and the threshold value of software set that Acquisition Circuit is inputted
It is compared, judges whether to restore to close a floodgate after arrearage, to meet the basic electricity of user, carry out human-based management, make
The basic electricity demand of user is protected, when the basic electricity demand for occurring that user can also be met during arrearage.
Included according to the expense control breaker of the utility model embodiment：Breaker body 1, reclosing module 2, communication mould
Block 3, human-computer interaction dynamic model block 4, sampling module 5, sample circuit 6, power module 7 and main control module 8.Preferably, the open circuit
Device ontology 1, including：Copper-manganese sampling resistor and thermal tripping mechanism are replaced using copper-manganese sampling resistor in original thermal tripping mechanism
Double gold materials, the breaker body are used to flow through the load current of breaker by the acquisition in real time of copper-manganese sampling resistor.It is existing
The material that uses of tripping mechanism be bimetal leaf, with copper-manganese resistance replace bimetal leaf, the existing thermal tripping of copper-manganese resistance now
Function has sampling functions again.Preferably, wherein the breaker body further includes：Electromagnetic unit, operating mechanism, end of incoming cables
Son, arc extinguishing unit and outlet terminal, the arc extinguishing unit mainly include：Arc-chute and arc striking piece, the arc extinguishing unit are mounted on
In the breaker body, the input terminal, copper-manganese sampling resistor, thermal tripping mechanism, operating mechanism, electromagnetic unit and outlet
Terminal is sequentially connected.
Fig. 2 is the schematic diagram according to the copper-manganese resistance of the utility model embodiment.As shown in Fig. 2, for copper-manganese resistance
Dimensional drawing is replaced original double golden materials in the tripping mechanism of part using copper-manganese sampling resistor, is connected by the way of soldering.With
For C63 breakers, rated current 63A, frame maximum carrying electric current 80A long-term works do not damage.In view of the 1.5 of electric energy meter
Times Imax, electric current may be up to 90A.According to R=I/Vi formula and routine sampling decompression design ratio k>5, so, R=90A/
(k*50mV), k=6 is taken, obtains R=300u Ω.Copper-manganese sampling resistor is by 132 points of sampled point 131, sampled point in the utility model
Sampling, can obtain according to resistance calculations formula：÷ (10 × 1.2)=0.22 Ω of resistance R=0.44 × 6.
Preferably, the sampling module 5, for the load current to be acquired and is improved, and will be after the conditioning
Load current be sent to main control module 8.
Preferably, the main control module 8 includes：MCU chip, the MCU chip are used to receive the load after the conditioning
Load current after the conditioning is converted to current digital signal by electric current, and by the current digital signal and preset electricity
Stream threshold value is compared, and operational order is sent to reclosing module.Preferably, wherein the main control module further includes：Metering core
Piece, the computation chip are used to that the data of working state of circuit breaker to be recorded and stored.In the embodiment party of the utility model
In formula, after sampling module collects load current, the load current is improved by sample circuit, after then improving
Current value be input to master control control module.Main control module includes MCU chip and computation chip, and the MCU chip is to actual use
The load current data of analog signal be converted to the load current data of digital signal by A/D, and by the number
The load current data of signal is compared with preset current threshold.When the load current data is more than the threshold of software set
During value, MCU chip will issue instructions to reclosing module, and the dynamic of breaker is completed by driving circuit driving direct current generator
Make.Meanwhile computation chip, especially because when failure or grid power blackout, realizes breaker work for measuring and storing data
The storage of status data and record.
Preferably, the reclosing module 2 for receiving the operational order, and utilizes drive according to the operational order
Dynamic circuit drives direct current generator completion breaker performs action.Execution action includes：Separating brake and combined floodgate.
Preferably, the power module 7, for it is described take control breaker arrearage tripping after, power for breaker body.
Preferably, wherein the expense control breaker further includes：Human-computer interaction module 4 and communication module 3, the man-machine friendship
Mutual module 4, is configured predetermined current threshold for the demand according to different user.The set-up mode can be：Button
Formula.By setting cut-off current value, flexible current limiting technique can be realized according to different user demands.The communication module 3,
For realizing the communication taken between control breaker and other external equipments by RS485 or power carrier.
The utility model is described by reference to a small amount of embodiment.However, it is known in those skilled in the art,
It is limited as subsidiary Patent right requirement, in addition to the utility model other embodiments disclosed above are equally fallen
In the scope of the utility model.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened
Ground is construed at least one of described device, component etc. example, unless otherwise expressly specified.Any method disclosed herein
The step of need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (4)
1. a kind of intelligent flexible current limliting based on copper-manganese resistance sampling takes control breaker, which is characterized in that described to take control breaker
Including：Breaker body, sampling module, main control module, reclosing module, power module,
The breaker body, including：Copper-manganese sampling resistor and thermal tripping mechanism replace original heat de- using copper-manganese sampling resistor
Double golden materials in buckle mechanism, the breaker body are used to flow through the load of breaker by the acquisition in real time of copper-manganese sampling resistor
Electric current；
The sampling module for the load current to be acquired and improved, and the load current after the conditioning is sent out
It send to main control module；
The main control module, including：MCU chip, the MCU chip is for receiving the load current after the conditioning, by described in
Load current after conditioning is converted to current digital signal, and the current digital signal and preset current threshold are compared
Compared with to reclosing module transmission operational order；
The reclosing module, for receiving the operational order, and it is straight using driving circuit driving according to the operational order
Galvanic electricity machine completion breaker performs action；And
The power module, for it is described take control breaker arrearage tripping after, power for breaker body.
2. take control breaker according to claim 1, which is characterized in that the breaker body further includes：Electromagnetic unit, behaviour
Make mechanism, input terminal, arc extinguishing unit and outlet terminal, the input terminal, copper-manganese sampling resistor, thermal tripping mechanism, operation
Mechanism, electromagnetic unit and outlet terminal are sequentially connected.
3. according to claim 1 take control breaker, which is characterized in that the main control module further includes：Computation chip,
The computation chip is recorded and is stored for the data to working state of circuit breaker.
4. according to claim 1 take control breaker, which is characterized in that the expense control breaker further includes：Human-computer interaction
Module and communication module,
The human-computer interaction module is configured predetermined current threshold for the demand according to different user；
The communication module realizes that the expense controls the communication between breaker and external equipment for passing through RS485 or power carrier.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720892991.8U CN207516775U (en) | 2017-07-21 | 2017-07-21 | A kind of intelligent flexible current limliting based on copper-manganese resistance sampling takes control breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720892991.8U CN207516775U (en) | 2017-07-21 | 2017-07-21 | A kind of intelligent flexible current limliting based on copper-manganese resistance sampling takes control breaker |
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| Publication Number | Publication Date |
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| CN207516775U true CN207516775U (en) | 2018-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422671A (en) * | 2017-07-21 | 2017-12-01 | 中国电力科学研究院 | A kind of intelligent current limliting based on copper-manganese resistance sampling takes control breaker and current-limiting method |
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2017
- 2017-07-21 CN CN201720892991.8U patent/CN207516775U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422671A (en) * | 2017-07-21 | 2017-12-01 | 中国电力科学研究院 | A kind of intelligent current limliting based on copper-manganese resistance sampling takes control breaker and current-limiting method |
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