CN205945020U - Intelligent circuit breaker of control load - Google Patents
Intelligent circuit breaker of control load Download PDFInfo
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- CN205945020U CN205945020U CN201620914996.1U CN201620914996U CN205945020U CN 205945020 U CN205945020 U CN 205945020U CN 201620914996 U CN201620914996 U CN 201620914996U CN 205945020 U CN205945020 U CN 205945020U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 9
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- 230000001681 protective effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
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Abstract
The utility model discloses an intelligent circuit breaker of control load, including casing, incoming wire terminal and terminal outgoing lines, being connected with power module between two arbitrary phase lines in the casing, power module is connected with central processing unit, and the three phase line in the casing goes up to correspond and has concatenated circuit breaker normally closed contact, and circuit breaker normally closed contact has connected gradually circuit breaker trip coil and earth leakage protection module, and central processing unit is connected with the earth leakage protection module, still is equipped with overload terminal outgoing lines 2 device in the casing, central processing unit still is connected with three looks current sampling coil, and central processing unit still is connected with power consumption monitoring module, display module and PC customer end, no matter whether the power user connect is used the zero line, and central processing unit can both utilize 380v's voltage normally to work for the user can't walk around central processing unit's detection, thereby makes user loads all the time all in the control, avoids the power consumption of breaking a contract, has restrained the uncontrolled growth of platform district load effectively, has reduced the line loss index, has improved a platform district voltage quality.
Description
Technical field
This utility model is related to a kind of electrical equipment technical field, more particularly, to a kind of control load intelligent breaker.
Background technology
Current limliting RCCB is used for controlling and protects low-voltage network, and current limliting RCCB of the prior art is main
Be using low-pressure side 220v civil power as working power, above-mentioned intelligent breaker is primarily present following shortcoming, and user can be around
Cross central processing unit controlling organization and carry out electricity consumption, make testing equipment inoperative, user mainly to realize by the following means
's:
1. zero line is around more type:Zero line from ammeter extraction after, not through current limliting RCCB but directly register one's residence, now
Current limliting RCCB only introduces and has allotted three live wires.
2. zero line deletion form:Zero line although there being zero line to allot, but allots zero line not toward current limliting electric leakage after ammeter extraction
Wiring on chopper, or ammeter do not allot zero line, now current limliting RCCB only has three live wires to enter, and the zero of exit
Line performs practically no function, and the voltage entering customer charge terminal is 380V.
Both the above mode is all not provide zero line to current limliting RCCB, and this cheating makes control and monitor console area bear
Lotus becomes uncontrollable, and transformator heavy duty, overloading happen occasionally, and serious overload is easily burnt transformator and cable, with
When jeopardize high-tension line safe operation and low-voltage electricity transmission line, lead to line loss remain high, quality of voltage is low, badly influences residence
The normal electricity consumption of people lighting consumer, not only cause unpredictable loss to electric company, and very disruptive supplies electricity consumption order
Sequence.
Utility model content
Technical problem to be solved in the utility model be provide a kind of can limited load, anticreep, auxiliary expense control control
Load intelligent breaker processed.
For solving above-mentioned technical problem, the technical solution of the utility model is:Control load intelligent breaker, including shell
Body, described housing tip is provided with four input terminals connecting three-phase four-wire circuit, and described housing bottom corresponds to described inlet wire
Terminal is provided with four outlet terminals, the electrical connection corresponding with described outlet terminal of described input terminal, appointing in described housing
Be connected with power module between two phase lines of meaning, the electric power output of described power module be connected with central processing unit, described shell
On internal three-phase line, correspondence is serially connected with the chopper normally-closed contact of gearing respectively, and described chopper normally-closed contact is connected with disconnected
Road device tripping coil, described circuit breaker tripping coil is connected with leakage protection module, and described central processing unit is protected with described electric leakage
Shield module connects, and is additionally provided with the overload trip protection device being connected with described leakage protection module in described housing;Described housing
Inside it is additionally provided with the arrearage tripping operation modular device being connected with described leakage protection module;Described housing is outer to be correspondingly provided with three-phase line
Three phase current sample coil, described phase current sample coil is connected to the process of described central authorities by phase current signal modular converter
Device, the outfan of described central processing unit is also associated with power consumption monitoring module and display module, and described display module is flush-mounted in
The surface of described housing, described central processing unit is connected to pc client by going back communication module.
As preferred technical scheme, described overload trip protection device includes the zero-sequence current being provided with described housing
Sample coil, described zero-sequence current sample coil connects to described leakage protection module.
As preferred technical scheme, described three-phase four-wire circuit includes phase line A, phase line B and phase line C and zero line N,
It is connected with zero line leakage testses branch road between described central processing unit and described zero line N.
As preferred technical scheme, described zero line leakage testses branch road includes the safety electricity being connected on described zero line N
The outfan of resistance R, described safe Resistance R is connected with leakage testses button K, and the wire of described leakage testses button K outfan is even
It is connected in any one phase line, described leakage testses button K both sides are parallel with button actions control circuit, described button actions control
Connection processed is flush-mounted on described housing to described central processing unit, described leakage testses button K.
As preferred technical scheme, described power consumption monitoring module includes mis module of marketing, described marketing mis module
Outfan be connected with intelligent electric meter, described intelligent electric meter is installed in described housing.
As preferred technical scheme, described pc client includes processor, hard disk, internal memory and system bus.
As preferred technical scheme, described communication module be set to based on wired communication interface or based on GPRS, EDGE,
The wireless communication interface of WLAN, Wi-Fi, 3G, 4G technology.
Due to employing technique scheme, control load intelligent breaker, including housing, described housing tip is provided with even
Connect four input terminals of three-phase four-wire circuit, the corresponding described input terminal in described housing bottom is provided with four outlet terminals,
The electrical connection corresponding with described outlet terminal of described input terminal, is connected with electricity between any two phase lines in described housing
Source module, the electric power output of described power module be connected with central processing unit, right respectively on the three-phase line in described housing
The chopper normally-closed contact of gearing should be serially connected with, described chopper normally-closed contact is connected with circuit breaker tripping coil, described open circuit
Device tripping coil is connected with leakage protection module, and described central processing unit is connected with described leakage protection module, in described housing
It is additionally provided with the overload trip protection device being connected with described leakage protection module;Described housing is outer and three-phase line is correspondingly provided with three
Individual phase current sample coil, described phase current sample coil is connected to the process of described central authorities by phase current signal modular converter
Device, the outfan of described central processing unit is also associated with power consumption monitoring module and display module, and described display module is flush-mounted in
The surface of described housing, described central processing unit is connected to pc client by going back communication module;Beneficial effect of the present utility model
It is really:After above-mentioned technological means, power user uses zero line regardless of whether connecing, and central processing unit can utilize the electricity of 380V
Pressure carries out normal work so that user cannot bypass the detection of central processing unit, so that customer charge is all the time all in monitoring,
Avoid promise breaking electricity consumption, the uncontrolled growth of containment Liao Tai area load, reduces line losses indices, improve platform area voltage matter effectively
Amount, in addition, also add power consumption control function, that is, takes control function, using tripping mechanism and the marketing system of chopper
And gauge table cooperation, achievable arrearage trip remotely function, the risk of big power family owing electricity charges can be effectively prevented from.
Brief description
The following drawings is only intended to, in this utility model is done with schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein:
Fig. 1 is the easy structure schematic diagram of this utility model embodiment;
Fig. 2 is the structured flowchart of this utility model embodiment;
Fig. 3 is the circuit theory diagrams of this utility model embodiment;
In figure:1- housing;2- input terminal;3- outlet terminal;4- central processing unit;5- chopper normally-closed contact.
Specific embodiment
With reference to the accompanying drawings and examples, this utility model is expanded on further.In the following detailed description, only pass through to say
Bright mode describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art is permissible
Recognize, in the case of without departing from spirit and scope of the present utility model, can by with various different in the way of to described
Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim
Scope.
As shown in Figure 1, Figure 2 and Figure 3, control load intelligent breaker, including housing 1, described housing 1 top is provided with connection
Four input terminals 2 of three-phase four-wire circuit, the corresponding described input terminal 2 in described housing 1 bottom is provided with four outlet terminals
3, described input terminal 2 and described outlet terminal 3 pass through guiding and correspond electrically connect, formed phase line in described housing 1 and
Zero line.
It is connected with power module between any two phase lines in described housing 1, the electric power of described power module is defeated
Go out is connected with central processing unit 4, and the present embodiment does power supply using arbitrarily biphase in three-phase firewire, will described central processing unit
Power supply powered by original 220v and be changed to 380v and power, make power user use zero line regardless of whether connecing, described central processing unit
Can normal work so that user cannot bypass the detection of described central processing unit so that customer charge is all the time all in prison
In control, it is to avoid the phenomenon of promise breaking electricity consumption.
On three-phase line in described housing 1, correspondence is serially connected with the chopper normally-closed contact 5 of gearing, described chopper respectively
Normally-closed contact 5 is connected with circuit breaker tripping coil, and described circuit breaker tripping coil is connected with leakage protection module, described centre
Reason device is connected with described leakage protection module, is additionally provided with, in described housing 1, the overload trip being connected with described leakage protection module
Protection device, described overload trip protection device includes the zero-sequence current sample coil being provided with described housing 1, described zero sequence
Current sampling coil connects to described leakage protection module.The outfan of described central processing unit is also associated with display module, institute
State the surface that display module is flush-mounted in described housing 1, each sample coil is it can also be provided that current transformer.In described housing also
It is provided with the arrearage tripping operation modular device being connected with described leakage protection module.
Described housing 1 is outer and three-phase line is correspondingly provided with three phase current sample coil, and described phase current sample coil is led to
Cross phase current signal modular converter to connect to described central processing unit, the electric current sensing is believed by described phase current signal modular converter
Number be changed into the digital signal that described central processing unit is capable of identify that, described three-phase four-wire circuit include phase line A, phase line B and
Phase line C and zero line N, are connected with zero line leakage testses branch road, described zero line electric leakage between described central processing unit and described zero line N
Test branch road includes the safe Resistance R being connected on described zero line N, and the outfan of described safe Resistance R is connected with leakage testses
Button K, the wire of described leakage testses button K outfan connects to any one phase line, described leakage testses button K both sides
It is parallel with button actions control circuit, described button actions control circuit connects to described central processing unit, described leakage testses
Button K is flush-mounted on described housing 1.
The outfan of described central processing unit is also associated with power consumption monitoring module, and described central processing unit passes through also to communicate
Module connects to pc client.Described power consumption monitoring module includes mis module of marketing, the outfan of described marketing mis module
It is connected with intelligent electric meter, described intelligent electric meter is installed in described housing 1.Described arrearage tripping operation modular device is located at described intelligence
In ammeter, it is the technical scheme in described technical field known to those of ordinary skill, here no longer describes in detail.Described PC visitor
Family end includes processor, hard disk, internal memory and system bus, and described communication module is set to based on wired communication interface or is based on
The wireless communication interface of GPRS, EDGE, WLAN, Wi-Fi, 3G, 4G technology.
Electricity on described central processing unit, power supply is taken from civil power 380v and is powered, described central processing unit initialization, described display
Module display limits power initial value, starts the aobvious parameter such as each phase voltage, electric current, active power of wheel afterwards.
Operationally, circulation respectively shows A, B, C three-phase voltage, size of current and current system to described display module
Power.Information content passes through LED group of four figures pipe video data in turn.4 LED data pipe from left to right first expression classes
Not, A represents A phase;B represents B phase;C represents C phase;P represents power, second and third, four, for current data measured, system is surveyed
Current unit be ampere (A), power unit be kilowatt (kW).
In upper electricity, whether the LED numeral method of described display module self-inspection four first is correct, system loads numeral
The display time of 0~9 each 500 milliseconds of numeral, after the completion of numeral loads, described display module reads the current power setting
Value, show value represents the current-limited power such as 10kW of current setting, after power exceedes this setting value, equipment delay adjustmentses when
Between (in delay time still overload power utilization), be then cut off power supply, after this video data shows 1 second, system enters normal work
Make state.
During normal work, LED group of four figures pipe takes turns aobvious electric current and power respectively, and data is from A phase, B phase, C phase and power P
Show respectively, such as A:10.1 represent that A phase current current system measured value is that (this data is due to systematic error, general and real for 10.1A
Actual value has 5% error amount);B15.6 represents that B phase current current system measured value is 15.6A;C12.4 represents that C phase current is current
Measured value is 12.4A;P8.20 represents that current power power is 8.20kW.
The operation principle of the present embodiment is:
Carry out the current sampling of phase line by three phase current sample coil, and pass through described phase current signal modular converter
It is sent to described central processing unit, by described central processing unit computing output and numerical value is carried out by described display module and show.
Customer parameter utilizes software editing good through pc client, is issued to described central authorities by communicating serial ports or wireless network
In processor (customer parameter includes rated power, overload power, allows overload time etc.), when customer charge is normal, from institute
State the next signal of phase current sample coil sampling to make comparisons with the customer parameter of described central processing unit memory storage, if detection ginseng
Number runs well less than the rated power of customer parameter, then equipment;If it exceeds the rated power of customer parameter, but it is less than
Overload power, then described central processing unit start timing, when load exceed rated power but be not above set permission overload
Time recovers normal, then next overload time is from zero meter;When based model for load duration exceedes rated power and exceedes the permission of setting
After the load time, then described central processing unit sends trip command, by described leakage protection module and described circuit breaker tripping line
Circle carries out safety trip.
When customer charge directly exceedes overload power, then described central processing unit directly sends trip command.Described central authorities
Processor sends trip command and connects described zero line leakage testses branch road by described leakage protection module, so that zero-sequence current is sampled
Coil midstream crosses out-of-balance current, so that described leakage protection module judges that system has electric leakage and sends trip command, control
Making described circuit breaker tripping coil to connect, so that tripping mechanism is tripped thus disconnecting user's power supply.
The described central processing unit of the present embodiment passes through three described phase current sample coil detection load, to judge user
Power load size, when user power utilization load exceedes assumed load value and during not less than maximum, described central processing unit starts
Timing, when based model for load duration is constant, timing time reaches setting value and trips, when customer charge exceedes maximum, by described
Central processing unit directly sends trip command, controls customer charge with this.
The present embodiment mainly realizes following functions:
First, short-circuit protection.When overload, are short-circuited in protected circuit or user equipment, phase current sample coil
In flow through larger current, drive circuit breaker tripping coil to complete instantaneous trip action, thus cut off the electricity supply playing overload or short circuit
Protective effect.
2nd, earth leakage protective.When having in by protection circuit phase line grounding or the person to get an electric shock, as long as residual current reaches adjusting
Working value, zero-sequence current sample coil just exports a signal, under the control of described leakage protection module, drives chopper to take off
Fastening wire circle completes instantaneous trip action, starts electric leakage and electrical shock protection effect.
After above-mentioned technological improvement, the present embodiment can bring following benefit:
First, improve power supplying efficiency.The effectively uncontrolled growth of containment platform area load, reduces the damage that circuit increases because of overload
Consumption, reduces transformator heavy duty, the generation of overload situations, improves the controllability of load and orderly development, alleviate power supply enterprise with
Electric power distribution transforming increase-volume pressure during electric peak.
2nd, save power supply cost.All of electric cost, finally can embody by way of finance are settled accounts with cash
Out, do not cause other expenses to rise and increase extra work amount.Cause to transformator as increased load because user is unordered
The demand of capacity increases, and the investment of increase-volume and labour cost;Increase load because user is unordered and cause transformator heavy duty, overload
The line loss loss bringing increases, the loss such as quality of voltage decline;Increasing load because user is unordered causes transformator overload to burn out
Replacing and labour cost etc..
3rd, improve power supply quality.There is provided stable electric power, effective control line losses indices for electrical equipment, improve platform area electricity
Pressure quality.
4th, arrearage trip avoidance function.The expense control function of newly increasing, with described marketing mis system and gauge table cooperation, can achieve
Arrearage trip remotely function, thus being prevented effectively from the risk of big power family owing electricity charges, saves manpower output.
After above-mentioned technological means, power user uses zero line regardless of whether connecing to the present embodiment, and central processing unit can
Carry out normal work using the voltage of 380V so that user cannot bypass the detection of central processing unit, so that customer charge begins
Eventually all in monitoring, it is to avoid promise breaking electricity consumption, the uncontrolled growth of containment Liao Tai area load, reduces line losses indices, carries effectively
Gao Liaotai area quality of voltage, in addition, also add power consumption control function, that is, takes control function, using the tripping operation of chopper
Mechanism and marketing system and gauge table cooperation, achievable arrearage trip remotely function, can be effectively prevented from big power family and be in arrears with electricity
The risk taken, it is to avoid the uncertain factor urged expense and produce of manually visiting, reduce artificial export, be effectively prevented from urging expense process
In the phenomenon such as the complaint that causes with user's confusing communication generation.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (7)
1. control load intelligent breaker, including housing it is characterised in that:Described housing tip is provided with connection three-phase four-wire system line
Four input terminals on road, the corresponding described input terminal in described housing bottom is provided with four outlet terminals, described input terminal with
The corresponding electrical connection of described outlet terminal, is connected with power module, described electricity between any two phase lines in described housing
The electric power output of source module be connected with central processing unit, on the three-phase line in described housing respectively correspondence be serially connected with gearing
Chopper normally-closed contact, described chopper normally-closed contact is connected with circuit breaker tripping coil, and described circuit breaker tripping coil connects
There is leakage protection module, described central processing unit is connected with described leakage protection module, be additionally provided with described housing and described leakage
The overload trip protection device that electric protection module connects;It is additionally provided with the arrearage being connected with described leakage protection module in described housing
Tripping operation modular device;Described housing is outer and three-phase line is correspondingly provided with three phase current sample coil, described phase current sample line
Circle is connected to described central processing unit by phase current signal modular converter, and the outfan of described central processing unit is also associated with using
Electricity monitoring module and display module, described display module is flush-mounted in the surface of described housing, and described central processing unit passes through also
Communication module connects to pc client.
2. as claimed in claim 1 control load intelligent breaker it is characterised in that:Described overload trip protection device includes
The zero-sequence current sample coil being provided with described housing, described zero-sequence current sample coil connects to described earth leakage protective mould
Block.
3. as claimed in claim 1 control load intelligent breaker it is characterised in that:Described three-phase four-wire circuit includes phase
Line A, phase line B and phase line C and zero line N, are connected with zero line leakage testses branch road between described central processing unit and described zero line N.
4. as claimed in claim 3 control load intelligent breaker it is characterised in that:Described zero line leakage testses branch road includes
It is connected to the safe Resistance R on described zero line N, the outfan of described safe Resistance R is connected with leakage testses button K, described leakage
The wire of electrical testing button K outfan connects to any one phase line, and described leakage testses button K both sides are parallel with button and move
Make control circuit, described button actions control circuit connects to described central processing unit, and described leakage testses button K is flush-mounted in institute
State on housing.
5. the control load intelligent breaker as described in claim 1,2,3 or 4 it is characterised in that:Described power consumption monitors mould
Block includes mis module of marketing, and the outfan of described marketing mis module is connected with intelligent electric meter, and described intelligent electric meter is installed on institute
State in housing.
6. as claimed in claim 5 control load intelligent breaker it is characterised in that:Described pc client include processor,
Hard disk, internal memory and system bus.
7. as claimed in claim 6 control load intelligent breaker it is characterised in that:Described communication module is set to be based on to be had
Line communication interface or the wireless communication interface based on GPRS, EDGE, WLAN, Wi-Fi, 3G, 4G technology.
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CN201620914996.1U CN205945020U (en) | 2016-08-19 | 2016-08-19 | Intelligent circuit breaker of control load |
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CN201620914996.1U CN205945020U (en) | 2016-08-19 | 2016-08-19 | Intelligent circuit breaker of control load |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106253218A (en) * | 2016-08-19 | 2016-12-21 | 国网山东省电力公司昌邑市供电公司 | Control load intelligent breaker |
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2016
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106253218A (en) * | 2016-08-19 | 2016-12-21 | 国网山东省电力公司昌邑市供电公司 | Control load intelligent breaker |
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