CN106329464A - Breaker with fault distinguish indication - Google Patents
Breaker with fault distinguish indication Download PDFInfo
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- CN106329464A CN106329464A CN201510378673.5A CN201510378673A CN106329464A CN 106329464 A CN106329464 A CN 106329464A CN 201510378673 A CN201510378673 A CN 201510378673A CN 106329464 A CN106329464 A CN 106329464A
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- chopper
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Abstract
The disclosure provides a breaker, including a fault detection and control module, a fault indication lamp module, and a power supply module. The fault detection and control module is configured to determine a fault signal of indicating a line fault. The fault indication lamp module comprises at least one fault indication lamp, and the fault indication lamp module is configured to light the at least one fault indication lamp according to the fault signal. The power supply module is configured to supply power to the fault indication lamp module, and the power supply module comprises a first power supply unit and a second power supply unit, wherein the first power supply unit and a second power supply unit are configured to be connected to a portion at two sides of a disconnection position of a line. The invention also provides a method used for the breaker. By the breaker and the method used for the breaker provided by embodiments of the invention, the fault type of breaker tripping can be distinguished, the fault indication lamp can be maintained lighted after breaker tripping and is free of influences of upper and lower line incoming modes, and the manufacturing cost is low.
Description
Technical field
It relates to fault-current circuit breaker, in particular it relates to there is fault distinguish instruction
Fault-current circuit breaker.
Background technology
Stoppage circuit breaker for cutting off rapidly circuit when circuit or electrical equipment break down
And it is simultaneously emitted by instruction.Fault type for example, overcurrent fault or leak current fault.Residue electricity
Stream action breaker (RCBO) is a kind of conventional stoppage circuit breaker, and it can collect mistake in pairs
The detection function of current failure and leak current fault, is widely used in domestic and industrial each
Plant occasion.In actual use, for the two kinds of fault of overcurrent fault and leak current fault,
RCBO all action can make circuit be cut off, thus user cannot to differentiate be which kind of fault causes
Circuit disconnects.
It addition, generally while RCBO detects fault, alarm lamp can be lighted, but by
While fault being detected RCBO also can send trip signal make circuit be cut off, thus
The power supply making alarm lamp is also turned off, thus indicate that the alarm lamp of fault cannot keep Chang Liang,
Also use is brought inconvenience.
Summary of the invention
In consideration of it, one of purpose of the disclosure there are provided a kind of chopper so that Yong Huneng
Enough distinguishing this fault after circuit is cut off by chopper is leak current fault and overcurrent fault, and
And after circuit cuts off, it is maintained to malfunction indicator lamp Chang Liang, and malfunction indicator lamp
Can impregnable work in the case of two kinds of modes of connection of upper and lower inlet wire.
According to an aspect of this disclosure, it is provided that a kind of chopper, it include fault detect and
Control module, is configured to determine that the fault-signal of instruction line fault；Indicating fault lamp module,
Including at least one malfunction indicator lamp, described indicating fault lamp module is configured to according to described event
Barrier signal lights at least one in described malfunction indicator lamp；And power module, it is configured to
To described malfunction indicator lamp module for power supply, described power module includes the first power subsystem and second
Power subsystem, wherein said first power subsystem and described second source unit are configured to
It is connected to described circuit by the described circuit of the both sides, position being disconnected.
An embodiment according to the disclosure, also includes that reseting module, described reseting module are joined
It is set to produce reset signal, and wherein said indicating fault lamp module is according to described reset signal
Described malfunction indicator lamp is extinguished.
An embodiment according to the disclosure, wherein said fault-signal includes electric leakage signal, and
And described chopper also includes the detection of electrical leakage unit that is configured to detect electric leakage signal.
An embodiment according to the disclosure, wherein said detection of electrical leakage unit is that zero-sequence current is mutual
Sensor.
An embodiment according to the disclosure, wherein said fault-signal includes overcurrent signal,
And described chopper includes the excessive current detection unit being configured to detection of excessive current signal.
An embodiment according to the disclosure, wherein said excessive current detection unit is overcurrent line
Circle.
An embodiment according to the disclosure, wherein said indicating fault lamp module at least includes
One malfunction indicator lamp unit and the second malfunction indicator lamp unit, and described Fisrt fault display lamp
Unit includes that Fisrt fault display lamp and described Fisrt fault display lamp are configured to connect to
Described first power subsystem, and/or described second malfunction indicator lamp unit includes the second indicating fault
Lamp and described second malfunction indicator lamp are configured to connect to described second source unit.
An embodiment according to the disclosure, wherein said Fisrt fault indicator unit and described
Connected by photoelectrical coupler between fault the second indicator unit.
An embodiment according to the disclosure, wherein said reseting module includes the first reset unit
With the second reset unit, and described first reset unit be configured to connect to described first therefore
Hinder indicator unit, and/or described second reset unit is configured to connect to described second fault
Indicator unit.
An embodiment according to the disclosure, wherein said indicating fault lamp module also includes leaded light
Device, described guiding device is configured to described Fisrt fault display lamp and described second fault
The light of display lamp pools together.
An embodiment according to the disclosure, wherein said guiding device is light-guiding pillar.
An embodiment according to the disclosure, described power module also includes power supply indicator.
An embodiment according to the disclosure, described power supply indicator includes the first power supply indicator
With second source display lamp, and described first power supply indicator be configured to connect to first electricity
Source unit, and/or described second source display lamp is configured to connect to second source unit.
According to another aspect of the disclosure, it is provided that a kind of method for chopper, including:
Detection fault-signal；In response to described fault-signal, send trip signal, and by least one
Individual malfunction indicator lamp is lighted；And in response to described trip signal, open-circuit line；Wherein, exist
After described circuit disconnects, at least one holding point at least one malfunction indicator lamp described
Bright.
An embodiment according to the disclosure, also includes: after trouble shooting, produces and resets
Signal；And in response to described reset signal, at least one malfunction indicator lamp described is extinguished.
An embodiment according to the disclosure, wherein said fault-signal includes electric leakage signal.
An embodiment according to the disclosure, wherein said electric leakage signal is by zero sequence current mutual inductance
Device detects.
An embodiment according to the disclosure, be additionally included in described circuit disconnect, and described extremely
When a few display lamp is remain on, determine that the fault of described circuit is caused by electric leakage.
An embodiment according to the disclosure, wherein said fault-signal includes overcurrent signal.
An embodiment according to the disclosure, wherein said overcurrent signal is by overcurrent coil
Detect.
An embodiment according to the disclosure, be additionally included in described circuit disconnect, and described extremely
When a few display lamp is not lit, determine that described fault is caused by overcurrent.
An embodiment according to the disclosure, at least one malfunction indicator lamp wherein said is at least wrapped
Include Fisrt fault display lamp and the second malfunction indicator lamp, and described method also includes: described
The position that one malfunction indicator lamp and described second malfunction indicator lamp are disconnected by described circuit respectively
The described line powering of both sides.
An embodiment according to the disclosure, wherein said reset signal includes the first reset signal
With the second reset signal, and described method also includes: in response to described first reset signal,
Described Fisrt fault display lamp is extinguished, and/or in response to described second reset signal, by described
Second malfunction indicator lamp is extinguished.
An embodiment according to the disclosure, also include utilizing guiding device by described at least one
The light of malfunction indicator lamp pools together.
An embodiment according to the disclosure, wherein said guiding device is light-guiding pillar.
Chopper by disclosure embodiment and the method for chopper, it is possible to distinguish
The fault type of circuit breaker tripping is overcurrent fault or leak current fault, and can keep event
Barrier display lamp still can keep Chang Liang after circuit breaker tripping, is not connect by upper and lower inlet wire two kinds
The impact of line mode.Chopper according to disclosure embodiment can provide perfect function also
There is the mode of connection flexibly, and cheap for manufacturing cost.
Accompanying drawing explanation
In conjunction with accompanying drawing and with reference to described further below, the feature of each embodiment of the disclosure, advantage
And other aspects will be apparent from, show by way of example, and not by way of limitation at this
Some embodiments of the disclosure.Wherein:
Figure 1A shows the schematic block diagram of the chopper according to one embodiment of the disclosure；
Figure 1B shows showing in the chopper line attachment according to one embodiment of the disclosure
Meaning property block diagram；
Fig. 2 shows the circuit diagram of the chopper according to one embodiment of the disclosure；
Fig. 3 A shows that the chopper according to one embodiment of the disclosure is in a kind of mode of connection
Operating process schematic diagram during lower generation leak current fault；
Fig. 3 B shows that the chopper according to one embodiment of the disclosure is in another kind of wiring side
Operating process schematic diagram during leak current fault is there is under formula；
Fig. 4 A shows that the chopper according to one embodiment of the disclosure is in a kind of mode of connection
Operating process schematic diagram during lower generation overcurrent fault；And
Fig. 4 B shows that the chopper according to one embodiment of the disclosure is in another kind of wiring side
Operating process schematic diagram during overcurrent fault is there is under formula；
Detailed description of the invention
Each illustrative embodiments of the disclosure is described in detail below with reference to accompanying drawing.In accompanying drawing
Schematic diagram shows the system in the cards of the device of the various embodiments according to the disclosure
Framework.Should be appreciated that providing these illustrative embodiments is only used to make art technology
Personnel better understood when and then realize the disclosure, and limits the disclosure the most by any way
Scope.
It will be understood by those skilled in the art that the chopper of disclosure embodiment can be e.g.
Residual current action breaker RCBO, can be other kinds of leakage protection equipment.
As shown in Figure 1A, for the schematic frame of the chopper according to one embodiment of the disclosure
Figure.Chopper according to disclosure embodiment includes fault detect and control module 10, and it is joined
It is set to determine the fault-signal of instruction line fault；Indicating fault lamp module 20, it includes at least
One malfunction indicator lamp, described indicating fault lamp module is configured to according to described fault-signal point
At least one in bright described malfunction indicator lamp；And power module 30, it is configured to described
Indicating fault lamp module 20 is powered, and described power module includes the first power subsystem 31 and second
Power subsystem 32, wherein said first power subsystem 31 and described second source unit 32 are joined
It is set to be connected respectively to described circuit by the described circuit of the both sides, position being disconnected.
As shown in Figure 2 A, in the chopper line attachment according to one embodiment of the disclosure
Schematic block diagram.Shown chopper has embodied its work being arranged in circuit L and N
Make state.Wherein said first power subsystem 31 and described second source unit 32 are shown as point
It is not connected to described circuit by the described circuit of the both sides, position being disconnected.
In one embodiment, such as circuit occurs leak current fault, now detection of electrical leakage unit
12 detect leakage current.And determine, in fault detect and control module 10, the electric leakage detected
When stream is more than predetermined threshold, fault detect and control module 10 send fault indication signal, make
Obtain indicating fault lamp module 20 malfunction indicator lamp to be lighted, indicate line failure, and
Send trip signal so that tripping mechanism 50 action, the circuit of fault is cut off.
In the prior art, now circuit disconnects, and connects chopper thereon and also loses power supply,
Display lamp extinguishes immediately, it is impossible to provide the user useful instruction information.Implement according to the disclosure
The chopper of mode, at circuit breaker tripping, after circuit is disconnected, due to described power module
Including the first power subsystem 31 and second source unit 32, wherein said first power subsystem 31
It is configured to be connected to the position that described circuit will be disconnected with described second source unit 32
Put on the circuit of both sides, even if circuit disconnects, the first power subsystem 31 and second source unit
In 32 one remains able to power for indicating fault lamp module 20.
In one embodiment, such as chopper or indicating fault lamp module use upper incoming line
The mode of connection, chopper detects fault, tripping mechanism 50 action in time open-circuit line,
Now, second source unit 32 loses power supply, and the first power subsystem 31 still can be from line
Road power taking, remains malfunction indicator lamp module for power supply.Therefore malfunction indicator lamp disconnects it at circuit
After remain in that and light, provide the user useful information.Similarly, in chopper or event
In the case of barrier indicating lamp module uses the mode of connection of lower inlet wire, chopper detects that fault is also
Open-circuit line in time, the first power subsystem 31 loses power supply, and second source unit 32 is still
Malfunction indicator lamp module for power supply can be remained, to keep malfunction indicator lamp point from circuit power taking
Bright.Thus, indicating fault lamp module under upper incoming line and two kinds of modes of connection of lower inlet wire, equal energy
Reach the most unaffected and normally work.
In one embodiment, chopper also includes reseting module.When fault is got rid of, de-
Buckle mechanism 50 closes a floodgate again, and after circuit ON, reseting module will produce reset signal, therefore
Malfunction indicator lamp is then extinguished by barrier indicating lamp module according to described reset signal, makes chopper recover
To normal operating state.
In one embodiment, chopper includes detection of electrical leakage unit 12, for example, zero-sequence current
The leakage current sensor of transformer etc..When circuit occurs leak current fault, zero sequence current mutual inductor
Zero-sequence current being detected, when fault detect and control module 10, to detect that zero-sequence current is more than pre-
When determining threshold value, fault detect and control module 10 send, to tripping mechanism 50, instruction of threading off, de-
Buckle mechanism 50 is according to the dropout instruction action received, thus is disconnected by circuit.
In one embodiment, the chopper of the disclosure can include excessive current detection unit 13
(not shown in Figure 1B), for example, over-current sensor, for example, overcurrent relay or
Overcurrent coil.In this embodiment, can be according to detecting due to overcurrent relay self
Electric current excessive and directly drive tripping mechanism action, thus open-circuit line, therefore can be not required to
Its signal is sent to fault detect and control module 10, it is also possible to realize chopper in detection
To can thread off in time during fault (shown in broken lines in Figure 1A).
In another embodiment, excessive current detection unit 13 can also be the most electric by detect
Stream signal be sent to fault detect and control module 10 (shown in broken lines in Figure 1A), by
Fault detect and control module 10 determine whether overcurrent signal exceedes predetermined threshold, and
When it exceedes predetermined threshold, send trip signal, thus provide the user more flexible operation
Property.It should be noted that whether determined overcurrent signal by fault detect and control module 10
Exceed in the embodiment of predetermined threshold, it is also possible to specific fault is set for overcurrent fault and refers to
Show lamp.To those skilled in the art, under the teaching of the disclosure, this is a kind of easy
The embodiment modification realized, within being therefore also included in the scope of the present disclosure, and at this not
Describe in detail again.
In one embodiment, the chopper of the disclosure can be residual current action breaker,
It includes tripping mechanism.In another embodiment, the chopper of the disclosure can be common leakage
Electric protection equipment, it is according to detection signal sending action instruction, and does not includes making circuit disconnect
Tripping mechanism so that user has more more options in terms of configuration.
In one embodiment, as it is shown in figure 1, indicating fault lamp module 20 is shown as including
Fisrt fault indicator unit 21 and the second malfunction indicator lamp unit 22.Wherein Fisrt fault refers to
Show that lamp unit 21 includes Fisrt fault display lamp D10, for example, light emitting diode etc., second
Malfunction indicator lamp unit 22 includes the second malfunction indicator lamp D9, for example, light emitting diode etc..
Wherein malfunction indicator lamp D9 and D10 are shown more particularly in fig. 2.Described Fisrt fault refers to
Show that lamp D10 is configured to connect to described first power subsystem 31, described second indicating fault
Lamp D9 is configured to connect to described second source unit 32.
In one embodiment, between Fisrt fault lamp unit 31 and the second trouble light unit 32
It is attached by photoelectrical coupler, thus realizing transmitting signal is also to be able to isolate electric current.
In one embodiment, the reseting module 40 of chopper includes the first reset unit 41 He
Second reset unit 42, and described first reset unit 41 is configured to connect to described
One malfunction indicator lamp unit 31, described second reset unit 42 is configured to connect to described
Two malfunction indicator lamp unit 32.
In one embodiment, indicating fault lamp module 30 also includes guiding device, described in lead
Electro-optical device is configured to described Fisrt fault display lamp and the light of described second malfunction indicator lamp
Pool together.Described guiding device can be such as light-guiding pillar.The shape of light-guiding pillar can be
Tubular or taper, the cross section of light-guiding pillar can be circular, square or triangle etc..As long as can
The light that Fisrt fault display lamp and the second malfunction indicator lamp send is brought together so that for
For user, no matter Fisrt fault display lamp or the second malfunction indicator lamp are lighted, and user is from regarding
It is seen that the display lamp of indicating fault lamp module is lit in feel.
In one embodiment, power module also includes power supply indicator, specifically, including
One power supply indicator D13 and second source display lamp D12, and described first power supply indicator
D13 is configured to connect to the first power subsystem 31, to indicate the energising shape of the first power subsystem
Condition, described second source display lamp D12 is configured to connect to second source unit 32, with
The electrical condition of instruction second source unit.
In one embodiment, the first power subsystem 31 and second source unit 32 can be electricity
Resistance or capacitance-voltage-distributing type power supply, it is also possible to be conventional switched-mode power supply.In view of wishing fall
The manufacturing cost of low chopper, is preferably used resistance or capacitance-voltage-distributing type power supply.
According to another aspect of the disclosure, also disclose a kind of method for chopper, bag
Include: detection fault-signal；In response to described fault-signal, send trip signal, and near
A few malfunction indicator lamp is lighted；And in response to described trip signal, open-circuit line；Wherein,
After described circuit disconnects, at least one holding point at least one malfunction indicator lamp described
Bright.
In one embodiment, described method also includes: after trouble shooting, produces and resets
Signal；And in response to described reset signal, at least one malfunction indicator lamp described is extinguished.
In one embodiment, wherein said fault-signal can include electric leakage signal.Described leakage
The signal of telecommunication can be detected by such as zero sequence current mutual inductor.In this case, described method
It is additionally included in described circuit to disconnect, and when at least one display lamp described is remain on, determines
The fault of described circuit is caused by electric leakage.
In one embodiment, wherein said fault-signal is in addition to electric leakage signal, it is also possible to
Including overcurrent signal.Described overcurrent signal such as by overcurrent Coil Detector to, and should
Overcurrent coil can directly drive tripping mechanism 50 action.In this case, described side
Method is additionally included in described circuit and disconnects, and when at least one display lamp described is not lit,
Determine that described fault is caused by overcurrent.By this method, user can be at chopper
After dropout, disconnect and the state of malfunction indicator lamp according to circuit, it is judged that the type of fault,
I.e. failure judgement is leak current fault or overcurrent fault.
In a fact Example, electricity can be determined by fault detect and control module 10
Whether stream signal exceedes predetermined threshold.In this case it is also possible to set for overcurrent fault
Put specific malfunction indicator lamp.Described method can be after circuit breaker tripping, according to different
Malfunction indicator lamp carrys out the type of failure judgement.To those skilled in the art, in the disclosure
Teaching under, this is the embodiment modification of a kind of easy realization, is therefore also included in these public affairs
Within the scope of opening, and it is not described in detail at this.
In one embodiment, at least one malfunction indicator lamp wherein said can include the first event
Barrier display lamp D10 and the second malfunction indicator lamp D9, and described method also includes: described the
One malfunction indicator lamp D10 and described second malfunction indicator lamp D9 are disconnected by described circuit respectively
The described line powering of both sides, position.
In one embodiment, wherein said reset signal can include the first reset signal and
Two reset signals, and described method also includes: in response to described first reset signal, by institute
State Fisrt fault display lamp D10 to extinguish；In response to described second reset signal, by described second
Malfunction indicator lamp D9 is extinguished.
In one embodiment, described method can also include utilizing guiding device by described at least
The light of one malfunction indicator lamp pools together.Described guiding device for example, light-guiding pillar.Guide-lighting
The shape of post can be tubular or taper, and the cross section of light-guiding pillar can be circular, square or triangle
Shape etc..As long as the light that Fisrt fault display lamp and the second malfunction indicator lamp send can be converged to
Together so that for a user, no matter Fisrt fault display lamp or the second malfunction indicator lamp
Lighting, user is visually it is seen that the display lamp of indicating fault lamp module is lit.
Fig. 2 illustrate in detail the circuit signal of the chopper according to one embodiment of the disclosure
Figure.Hereinafter, in circuit, leak current fault and indicating fault lamp module connecing as upper incoming line occur
As a example by line mode, describe the operating process according to disclosure chopper in detail.
In the embodiment circuit diagram of this diagram, it is shown that according to the chopper of disclosure embodiment
Fisrt fault indicator unit the 31, second malfunction indicator lamp unit the 32, first reset unit
41 and the second reset unit 42.In Fig. 2, the first power subsystem 31 indicate for Fisrt fault
Lamp unit 21 provides power supply, now, VCC1 represents the confession being connected to tripping mechanism lower end
Electricity power supply.Further, second source unit 32 electricity is provided for the second malfunction indicator lamp unit 22
Source.In Fig. 2, VCC2 represent the power supply being connected to tripping mechanism upper end.GND
Represent ground connection.Leak current fault signal GT represents have leak current fault to occur in circuit, this electric leakage event
Barrier signal GT is through resistor R8 so that transistor T1 connects, so that trigger U3
Output high level, this high level is through resistor R2 so that transistor T5 lights indicating fault
Lamp D9, passes to trigger U5 through photoelectrical coupler U4 simultaneously by high level signal so that
Transistor T3 connects, thus lights malfunction indicator lamp D10.Those skilled in the art can manage
Solving, resistor R5, R6, R1, R7, R13, R15 and R9 are for so that circuit energy
Reach steady operation and applicable voltage and current is provided, can arrange according to the needs of circuit.
Now, Fisrt fault display lamp D10 and the second malfunction indicator lamp D9 are all lit.It
After, tripping mechanism 50 is owing to receiving from fault detect and the trip signal of control module 10
And action, due to the mode of connection for upper incoming line, cause the power supply power down of tripping mechanism lower end,
I.e. power supply VCC1 power down, the second malfunction indicator lamp D9 will be extinguished.But, it is connected to thread off
The power supply of the upper end of mechanism 50, i.e. Fig. 2 are VCC2, are still switched on, thus first
Malfunction indicator lamp D10 is also remain on continuing.
As previously mentioned, it is possible to use light-guiding pillar, malfunction indicator lamp D9 and D10 are sent
Light puts together so that user the most only sees that malfunction indicator lamp is lit.
After trouble shooting, user closes tripping mechanism, and VCC1 will regain power supply,
Through power-on reset signal generating circuit, the i.e. first reset unit 41, produce pulse signal and make
The malfunction indicator lamp of indicating fault lamp module is extinguished.In an example, the first reset unit 41
Including capacitor C10, C9, diode D6, resistor R12, R14, transistor T2,
It produces pulse signal when VCC1 recloses, and makes trigger U3 export high level, and
Through resistor R1, transistor T4 and photoelectrical coupler U6, make the output of trigger U5
Upset is low level, thus extinguishes D10.By foregoing description it can be seen that photoelectrical coupler
U4 transmits the signal of lighting of malfunction indicator lamp, putting out of photoelectrical coupler U6 transmission malfunction indicator lamp
Go out signal.
In another embodiment, i.e. indicating fault lamp module is the feelings of Connection Mode of lower inlet wire
Condition.Fault-signal GT makes malfunction indicator lamp D9 and D10 all light, afterwards, and dropout machine
Structure 50 action, causes the power supply power down of tripping mechanism upper end, i.e. power supply VCC2 power down,
Fisrt fault display lamp D10 extinguishes, and VCC1 is still switched on, thus the second malfunction indicator lamp
D9 is remain on.
After failture evacuation, when user closes tripping mechanism, will regain at VCC2
Power supply, through power-on reset signal generating circuit, the i.e. second reset unit 42, produce pulse letter
The malfunction indicator lamp number making indicating fault lamp module is extinguished.In an example, second resets
Unit 42 includes capacitor C11, C12, diode D15, resistor R16, R17, crystalline substance
Body pipe T6, is coupled to the second malfunction indicator lamp unit 32 by photoelectrical coupler U7.
It can thus be seen that either VCC1 switches on power, or VCC2 switches on power,
Can ensure that electric leakage signal display lamp D9 or D10 lights for a long time, and it is de-to close user
Produce reset signal after buckle mechanism, extinguish corresponding malfunction indicator lamp.
Fig. 3 A and Fig. 3 B respectively illustrate according to the chopper of disclosure embodiment at upper incoming line
With under two kinds of different modes of connection of lower inlet wire occur leak current fault time operating process schematic diagram.
As shown in Figure 3A, for upper incoming line operating process schematic diagram.When circuit normally works, dropout machine
Structure closes, and the first power supply indicator D13 and second source display lamp D12 is all lit, and refers to
Show that Fisrt fault display lamp D10 and second malfunction indicator lamp D9 of leak current fault are all extinguished, table
Showing closing of power circuit breaker power supply, operation is normal.When electric leakage signal being detected, tripping mechanism disconnects,
Fisrt fault display lamp D13 is powered by the first power subsystem 31 and is remain on, second source
Display lamp D12 extinguishes.Meanwhile, Fisrt fault display lamp D10 after circuit breaker tripping still
So it is remain on.After failture evacuation, circuit normally works, and tripping mechanism 50 closes, the
One and second source display lamp D13 and D12 is all lit, due to the first reset unit 41
Pulse signal, Fisrt fault display lamp D10 is off.
As shown in Figure 3 B, for lower inlet wire operating process schematic diagram.When circuit normally works, de-
Buckle mechanism closes, and the first power supply indicator D13 and second source display lamp D12 is all lit,
Fisrt fault display lamp D10 and second malfunction indicator lamp D9 of instruction leak current fault are all extinguished,
Representing closing of power circuit breaker power supply, operation is normal.When electric leakage signal being detected, tripping mechanism breaks
Opening, the first power supply indicator D13 extinguishes, and the second malfunction indicator lamp D12 is by second source list
Unit 32 powers and is remain on.Meanwhile, the second malfunction indicator lamp D9 is after circuit breaker tripping
Remain in that and light.After failture evacuation, circuit normally works, and tripping mechanism 50 closes,
First and second power supply indicator D13 and D12 are all lit, due to the second reset unit 42
Pulse signal, the second malfunction indicator lamp D9 is off.
As previously shown, the first and second malfunction indicator lamp D10 and D9 can be incited somebody to action by light-guiding pillar
The light that both are sent puts together, and makes user visually only see a malfunction indicator lamp,
Instruction circuit breaks down.Similarly, the first and second power supply indicator D13 and D12 are also
Can be put together by the light that both are sent by light-guiding pillar, make user visually only see
One power supply indicator.Light-guiding pillar can not also be used, by power supply indicator, wiring side is shown
Formula.
Fig. 4 A and Fig. 4 B respectively illustrates the chopper according to one embodiment of the disclosure one
Plant operating process schematic diagram when there is overcurrent fault under the mode of connection.As shown in Figure 4 A,
For upper incoming line operating process schematic diagram.When circuit normally works, tripping mechanism closes, the first electricity
Source display lamp D13 and second source display lamp D12 is all lit, and indicates leak current fault
Fisrt fault display lamp D10 and the second malfunction indicator lamp D9 all extinguish, represent chopper connect
Energising source, operation is normal.When overcurrent signal being detected, tripping mechanism disconnects, the first electricity
Source display lamp D13 is powered by the first power subsystem 31 and is remain on, second source display lamp
D12 then extinguishes.And the first and second malfunction indicator lamp D10 and D9 are after circuit breaker tripping
Still extinguish.By this way, work as circuit breaker tripping, and the first and second malfunction indicator lamp
When D10 and D9 all extinguishes, represent that this fault is overcurrent fault.
Similarly, as shown in Figure 4 B, for lower inlet wire operating process schematic diagram.The normal work of circuit
When making, tripping mechanism closes, the first power supply indicator D13 and second source display lamp D12
All it is lit, and indicates Fisrt fault display lamp D10 and second indicating fault of leak current fault
Lamp D9 all extinguishes, and represents closing of power circuit breaker power supply, and operation is normal.Electric leakage signal detected
Time, tripping mechanism disconnects, and the first power supply indicator D13 extinguishes, second source display lamp D12
Powered by second source unit 32 and be remain on.And the first and second malfunction indicator lamp D10
Still extinguish after circuit breaker tripping with D9.By this way, work as circuit breaker tripping, and
When first and second malfunction indicator lamp D10 and D9 all extinguish, represent that this fault is overcurrent event
Barrier.
Chopper by disclosure embodiment and the method for chopper, it is possible to distinguish
The fault type of circuit breaker tripping, and can keep malfunction indicator lamp after circuit breaker tripping
Still can keep Chang Liang, not affected by two kinds of modes of connection of upper and lower inlet wire, and be manufactured into
This is cheap.
Should be appreciated that the present invention not by restriction described above, the most not limited by the accompanying figures, only by institute
The restriction of attached claim.
Claims (25)
1. a chopper (100), including:
Fault detect and control module (10), be configured to determine that the fault of instruction line fault
Signal；
Indicating fault lamp module (20), including at least one malfunction indicator lamp, described fault refers to
Show that lamp module is configured to light in described malfunction indicator lamp at least according to described fault-signal
One；And
Power module (30), is configured to power to described indicating fault lamp module (20),
Described power module includes the first power subsystem (31) and second source unit (32), wherein
Described first power subsystem (31) and described second source unit (32) are configured to point
It is not connected to described circuit by the described circuit of the both sides, position being disconnected.
Chopper the most according to claim 1, also includes reseting module, described reset
Module (40) is configured to produce reset signal, and wherein said indicating fault lamp module root
According to described reset signal, described malfunction indicator lamp is extinguished.
Chopper the most according to claim 1, wherein said fault-signal (GT) wraps
Include electric leakage signal, and described chopper (100) also includes being configured to detect electric leakage signal
Detection of electrical leakage unit (12).
Chopper the most according to claim 3, wherein said detection of electrical leakage unit (12)
For zero sequence current mutual inductor.
5., according to the chopper described in claim 1 or 3, wherein said fault-signal includes
Overcurrent signal, and described chopper (100) includes being configured to detection of excessive current signal
Excessive current detection unit (13).
Chopper the most according to claim 5, wherein said excessive current detection unit (13)
For overcurrent coil.
Chopper the most according to claim 2, wherein said indicating fault lamp module (20)
At least include Fisrt fault indicator unit (21) and the second malfunction indicator lamp unit (22),
And
Described Fisrt fault indicator unit (21) include Fisrt fault display lamp (D10) and
And described Fisrt fault display lamp is configured to connect to described first power subsystem, and/or
Described second malfunction indicator lamp unit (22) include the second malfunction indicator lamp (D9) and
Described second malfunction indicator lamp is configured to connect to described second source unit.
Chopper the most according to claim 7, wherein said Fisrt fault display lamp list
Connected by photoelectrical coupler between unit (21) and described fault the second indicator unit (22).
Chopper the most according to claim 7, wherein said reseting module (40) wraps
Include the first reset unit (41) and the second reset unit (42), and
Described first reset unit (41) is configured to connect to described Fisrt fault display lamp list
Unit (31), and/or
Described second reset unit (42) is configured to connect to described second malfunction indicator lamp list
Unit (32).
Chopper the most according to claim 7, wherein said indicating fault lamp module is also
Including guiding device, described guiding device is configured to described Fisrt fault display lamp and described
The light of the second malfunction indicator lamp pools together.
11. choppers according to claim 10, wherein said guiding device is guide-lighting
Post.
12. choppers according to claim 1 and 2, described power module (30) is also
Including power supply indicator.
13. choppers according to claim 12, described power supply indicator includes first
Power supply indicator (D13) and second source display lamp (D12), and
Described first power supply indicator is configured to connect to the first power subsystem (31), and/
Or
Described second source display lamp is configured to connect to second source unit (32).
14. 1 kinds of methods for chopper, including:
Detection fault-signal；
In response to described fault-signal, send trip signal, and by least one indicating fault
Lamp is lighted；And
In response to described trip signal, open-circuit line；
Wherein, after described circuit disconnects, at least one malfunction indicator lamp described at least
One is remain on.
15. methods according to claim 14, also include:
After trouble shooting, produce reset signal；And
In response to described reset signal, at least one malfunction indicator lamp described is extinguished.
16. methods according to claim 14, wherein said fault-signal includes electric leakage
Signal.
17. methods according to claim 16, wherein said electric leakage signal is by zero sequence
Current transformer detects.
18. according to the method described in claim 16 or 17, is additionally included in described circuit and disconnects,
And when at least one display lamp described is remain on, determine that the fault of described circuit is by leaking electricity
Cause.
19. include according to the method described in claim 14 or 16, wherein said fault-signal
Overcurrent signal.
20. methods according to claim 19, wherein said overcurrent signal is by mistake
Current coil detects.
21. methods according to claim 20, are additionally included in described circuit and disconnect, and
And described at least one display lamp is not when being lit, determine that described fault is to be caused by overcurrent
's.
22. methods according to claim 14, at least one indicating fault wherein said
Lamp at least includes Fisrt fault display lamp (D10) and the second malfunction indicator lamp (D9), and
Described method also includes:
Described Fisrt fault display lamp (D10) and described second malfunction indicator lamp (D9) are respectively
The described line powering of the both sides, position being disconnected by described circuit.
23. methods according to claim 22, wherein said reset signal includes first
Reset signal and the second reset signal, and described method also includes:
In response to described first reset signal, described Fisrt fault display lamp is extinguished, and/or
In response to described second reset signal, described second malfunction indicator lamp is extinguished.
24. methods according to claim 14, also include utilizing guiding device by described
The light of at least one malfunction indicator lamp pools together.
25. methods according to claim 24, wherein said guiding device is light-guiding pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378673.5A CN106329464B (en) | 2015-06-30 | 2015-06-30 | Breaker with fault distinguish instruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378673.5A CN106329464B (en) | 2015-06-30 | 2015-06-30 | Breaker with fault distinguish instruction |
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| Publication Number | Publication Date |
|---|---|
| CN106329464A true CN106329464A (en) | 2017-01-11 |
| CN106329464B CN106329464B (en) | 2019-01-01 |
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ID=57726207
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510378673.5A Active CN106329464B (en) | 2015-06-30 | 2015-06-30 | Breaker with fault distinguish instruction |
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|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257630A (en) * | 2020-02-10 | 2021-08-13 | 西门子股份公司 | Circuit breaker accessory and circuit breaker assembly |
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|---|---|---|---|---|
| JP2003158819A (en) * | 2001-11-19 | 2003-05-30 | Hitachi Ltd | Protective relay device |
| CN103248027A (en) * | 2013-05-28 | 2013-08-14 | 上海云声电子有限公司 | Monitor for intelligent electricity using |
| CN203774770U (en) * | 2014-02-13 | 2014-08-13 | 施耐德电器工业公司 | Circuit breaker with overvoltage and undervoltage protective module |
-
2015
- 2015-06-30 CN CN201510378673.5A patent/CN106329464B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003158819A (en) * | 2001-11-19 | 2003-05-30 | Hitachi Ltd | Protective relay device |
| CN103248027A (en) * | 2013-05-28 | 2013-08-14 | 上海云声电子有限公司 | Monitor for intelligent electricity using |
| CN203774770U (en) * | 2014-02-13 | 2014-08-13 | 施耐德电器工业公司 | Circuit breaker with overvoltage and undervoltage protective module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257630A (en) * | 2020-02-10 | 2021-08-13 | 西门子股份公司 | Circuit breaker accessory and circuit breaker assembly |
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| Publication number | Publication date |
|---|---|
| CN106329464B (en) | 2019-01-01 |
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