CN110224374A - Remote alarms residual current action breaker - Google Patents
Remote alarms residual current action breaker Download PDFInfo
- Publication number
- CN110224374A CN110224374A CN201910307189.1A CN201910307189A CN110224374A CN 110224374 A CN110224374 A CN 110224374A CN 201910307189 A CN201910307189 A CN 201910307189A CN 110224374 A CN110224374 A CN 110224374A
- Authority
- CN
- China
- Prior art keywords
- circuit
- optocoupler
- residual current
- remote alarms
- silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
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Abstract
The present invention relates to a kind of remote alarms residual current action breakers comprising: input circuit, switching circuit, trip circuit and warning circuit including changeable setting；Trigger circuit；Electric-leakage detection circuit, wherein the warning circuit includes the alarm lamp being arranged on breaker body and two optocouplers, the light component series aiding connection setting of two optocouplers, and it is connect after the output end series resistance R2 of the light component of second optocoupler with the input terminal of trigger circuit, the pole C of the receiving end of the optocoupler U1 is extremely in parallel as the first warning output with the E of the receiving end of optocoupler U2, the pole E of the receiving end of the optocoupler U1 is extremely in parallel as the second warning output with the C of the receiving end of optocoupler U2, the function switch threaded off and alarmed may be implemented using switching circuit, it is also mutually authenticated simultaneously using the alarm lamp of setting on the body with the remote passive output alarm realized by concatenated optocoupler to realize, to guarantee the accuracy of alarm signal.
Description
Technical field
The invention belongs to Low Voltage Electrical Apparatus, and in particular to a kind of remote alarms residual current action breaker.
Background technique
The earth leakage protective characteristic of leakage circuit breakers is at present: when the leakage current value of protected circuit is more than leakage circuit breakers
When specified electric leakage action value, leakage circuit breakers cuts off the power automatic trip, the safety of the protection person and equipment.But at present very
It is multi-field larger to power supply continuity requirement, once having a power failure will result in biggish accident or economic loss.And it is directed to this point, mesh
It is preceding also to have non-shut-brake leakage circuit breakers of only alarming of leaking electricity, but when breaker body breaks down, can not go well
It whether correct verifies the alarm signal, is easy to appear maloperation.
Summary of the invention
It is disconnected in view of the deficiencies of the prior art, the present invention intends to provide a kind of remote alarms residual current acting
Road device.
To achieve the above object, the present invention provides the following technical scheme that
A kind of remote alarms residual current action breaker comprising:
Input circuit is electrically connected with alternating current,
Switching circuit is electrically connected with input circuit, trip circuit and warning circuit including changeable setting；
Trigger circuit is electrically connected with switching circuit；
Electric-leakage detection circuit is electrically connected with trigger circuit,
Wherein the warning circuit includes the alarm lamp being arranged on breaker body and optocoupler U1 and optocoupler U2, and two
The light component series aiding connection of optocoupler is arranged, and after the output end series resistance R2 of the light component of second optocoupler with trigger circuit
Input terminal connection, the pole C of the receiving end of the optocoupler U1 and the E of the receiving end of optocoupler U2 are extremely in parallel as the first warning output,
The pole E of the receiving end of the optocoupler U1 is extremely in parallel as the second warning output, first alarm with the C of the receiving end of optocoupler U2
Output and the second warning output constitute passive output, and the passive output constitutes bi-directional verification circuit with alarm lamp.
The input circuit includes anti-surge circuit and rectification circuit.
The anti-surge circuit includes several varistors, the varistor be arranged in parallel alternating current any two-phase it
Between.
The switching circuit includes that manually or automatically switching switch, the input terminal of the switching switch are electrically connected with input circuit
It connects, two-way output end is then electrically connected with trip circuit and warning circuit respectively.
When the alternating current is single-phase electricity, the tripping coil of the trip circuit is arranged in rectification circuit front end.
The trigger circuit is merger formula trigger circuit, and the merger formula trigger circuit includes the silicon-controlled Q1 being arranged in parallel
It is electrically connected with the anode of silicon-controlled Q2, the silicon-controlled Q1 and silicon-controlled Q2 with switching circuit, the minus earth of the two, wherein can
One end of the control electrode and electric-leakage detection circuit of controlling silicon Q1 connects, the control electrode of the silicon-controlled Q2 and electric-leakage detection circuit it is another
One end connection.
It is connect after the silicon-controlled control electrode series resistance with any end of electric-leakage detection circuit.
The silicon-controlled control electrode passes sequentially through capacitor and diode ground connection.
The electric-leakage detection circuit includes two test sides, and two test sides connect with silicon-controlled control electrode all the way respectively
It connects, and successively parallel resistance and capacitor between described two test sides.
It includes shell to the remote alarms residual current action breaker, and setting is in the intracorporal switching switch of shell, alarm
A piece pin of indicator light, control circuit board and mutual inductor, the switching switch passes through the one of resistance and alarm lamp
Another pin of foot connection, the switching switch is directly electrically connected with control circuit board, and city's electric connection line passes through mutual inductance
Coil is electrically connected with control circuit board, and two signal wires are drawn on the control circuit board, and is passed through shell and be arranged.
Beneficial effects of the present invention: the function switch threaded off and alarmed may be implemented using switching circuit, while also utilize setting
Alarm lamp on the body is mutually authenticated with the remote passive output alarm realized by concatenated optocoupler to realize, to protect
Demonstrate,prove the accuracy of alarm signal.
Detailed description of the invention
Fig. 1 is the circuit diagram of the embodiment of the present invention 1.
Fig. 2 is the circuit diagram of the embodiment of the present invention 2.
Fig. 3 is a schematic structural view of Embodiment 1 of the present invention.
Fig. 4 is the schematic internal view of the embodiment of the present invention 1.
Fig. 5 is a schematic structural view of Embodiment 2 of the present invention.
Fig. 6 is the schematic internal view of the embodiment of the present invention 2.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
The present invention provides a kind of remote alarms residual current action breakers comprising:
Input circuit is electrically connected with alternating current, which can be three-phase alternating current or single-phase electricity,
Switching circuit is electrically connected with input circuit, and trip circuit and warning circuit including changeable setting can be set
It is manually or automatically the switching for carrying out trip circuit or warning circuit, it, can be using switching switch such as using manual switching mode
The multidiameter option switch such as knife switch, selection switch；
When residual current protecting function is opened, warning function is simultaneously closed off, and ontology alarm lamp does not work, remaining electric when generating in route
When stream reaches action value, product is threaded off in the stipulated time；
When residual current alarm function is opened, residual current protecting function is simultaneously closed off, and is reached when generating residual current in route
When alarming value, product ontology residual current alarm lamp is bright, while the passive output closure of remote alarms, but product is not threaded off, at this time
Route should be safeguarded in time while route being reminded to have danger of hazardous electrical discharges.
In not equipment taking alarm, unlatching residual current alarm function can be used as residual current protecting function and exit use.
Trigger circuit is electrically connected with switching circuit；
Electric-leakage detection circuit is electrically connected with trigger circuit,
Wherein the warning circuit includes the alarm lamp being arranged on breaker body and optocoupler U1 and optocoupler U2, and two
The light component series aiding connection of optocoupler is arranged, and after the output end series resistance R2 of the light component of second optocoupler with trigger circuit
Input terminal connection, the pole C of the receiving end of the optocoupler U1 and the E of the receiving end of optocoupler U2 are extremely in parallel as the first warning output,
The pole E of the receiving end of the optocoupler U1 is extremely in parallel as the second warning output, first alarm with the C of the receiving end of optocoupler U2
Output and the second warning output constitute passive output, and the passive output constitutes bi-directional verification circuit with alarm lamp.Together
When double optocoupler design, can be realized positive and negative two-way detection, AC or DC electricity can be suitable for, while can also can be greatly reduced into
This.Alarm lamp D1 then series resistance R1 plays the police instruction on breaker body, and how the design of double optocouplers reaches conduct
Remote alarm signal output, and is realized passive output, is designed using two-way, when Convenient switch failure, ontology warning function with
Remote alarming function is mutually authenticated, so that alarm can be more accurate, moreover it is possible to realize mutual verifying, further increase it
Reliability.
The input circuit includes anti-surge circuit and rectification circuit, and wherein rectification circuit has several diodes to constitute
Rectifier bridge.
The anti-surge circuit includes several varistors, the varistor be arranged in parallel alternating current any two-phase it
Between.
When alternating current is single-phase electricity, it is only necessary to varistor in parallel between two-way, and when alternating current is three-phase and four-line electricity, also
Provided with any mutually any line power-supply circuit, can continue to work normally at power failure (phase shortage lacks line, low pressure).Resistance
R8, resistance R9, resistance R10 are current-limiting resistance, and varistor is then designed by the way of star-like wiring, utilize four varistors
Realize that there are two varistors for parallel connection between any two-phase.
The switching circuit includes that manually or automatically switching switchs, the input terminal and input circuit electricity of the switching switch S1
Connection, two-way output end are then electrically connected with trip circuit and warning circuit respectively.
When the alternating current is single-phase electricity, the tripping coil L1 of the trip circuit is arranged in rectification circuit front end, can keep away
Exempt to form conducting wire short circuit when rectifier diode failure.
The trigger circuit is merger formula trigger circuit, and the merger formula trigger circuit includes the silicon-controlled Q1 being arranged in parallel
It is electrically connected with the anode of silicon-controlled Q2, the silicon-controlled Q1 and silicon-controlled Q2 with switching circuit, the minus earth of the two, wherein can
One end of the control electrode and electric-leakage detection circuit of controlling silicon Q1 connects, the control electrode of the silicon-controlled Q2 and electric-leakage detection circuit it is another
One end connection.
It is connect after the control electrode series resistance R5 of the silicon-controlled Q1 with one end of electric-leakage detection circuit, the silicon-controlled Q1
Control electrode pass sequentially through capacitor C3 and diode D7 ground connection, examined with electric leakage after the control electrode series resistance R6 of the silicon-controlled Q2
The other end of slowdown monitoring circuit connects, and the control electrode of the silicon-controlled Q2 passes sequentially through capacitor C5 and diode D6 ground connection, using two-way
Silicon-controlled design can make remote alarms residual current action breaker make significant response to arbitrary phase residual current, remaining
Current signal is fully utilized.
The electric-leakage detection circuit includes two test sides, and two test sides connect with silicon-controlled control electrode all the way respectively
It connects, and successively parallel resistance R7 and capacitor C4 between described two test sides.
The remote alarms residual current action breaker is equipped with leak(age) test circuit, by testing button and resistance R3 structure
At.
It includes shell 1 to the remote alarms residual current action breaker, be arranged in switching switch S1 in shell 1,
A piece pin of alarm lamp, control circuit board 3 and mutual inductor 2, the switching switch passes through resistance and police instruction
One foot of lamp connects, and is used using resistance directly as conducting wire, reduces internal wiring, and another pin of the switching switch is straight
It connects and is electrically connected with control circuit board, city's electric connection line passes through mutual inductor and is electrically connected with control circuit board, the control line
Two signal wires 4 are drawn on the plate of road, and are passed through shell and be arranged.
Embodiment is not construed as limitation of the present invention, but any based on spiritual improvements introduced of the invention, all should be
Within protection scope of the present invention.
Claims (10)
1. a kind of remote alarms residual current action breaker, it is characterised in that: comprising:
Input circuit is electrically connected with alternating current,
Switching circuit is electrically connected with input circuit, trip circuit and warning circuit including changeable setting；
Trigger circuit is electrically connected with switching circuit；
Electric-leakage detection circuit is electrically connected with trigger circuit,
Wherein the warning circuit includes the alarm lamp being arranged on breaker body and optocoupler U1 and optocoupler U2, and two
The light component series aiding connection of optocoupler is arranged, and after the output end series resistance R2 of the light component of second optocoupler with trigger circuit
Input terminal connection, the pole C of the receiving end of the optocoupler U1 and the E of the receiving end of optocoupler U2 are extremely in parallel as the first warning output,
The pole E of the receiving end of the optocoupler U1 is extremely in parallel as the second warning output, first alarm with the C of the receiving end of optocoupler U2
Output and the second warning output constitute passive output, and the passive output constitutes bi-directional verification circuit with alarm lamp.
2. remote alarms residual current action breaker according to claim 1, it is characterised in that: the input circuit packet
Include anti-surge circuit and rectification circuit.
3. remote alarms residual current action breaker according to claim 2, it is characterised in that: the anti-surge circuit
Including several varistors, the varistor is arranged in parallel between any two-phase of alternating current.
4. remote alarms residual current action breaker according to claim 1, it is characterised in that: the switching circuit packet
Manually or automatically switching switch is included, the input terminal of the switching switch is electrically connected with input circuit, and two-way output end is then distinguished
It is electrically connected with trip circuit and warning circuit.
5. remote alarms residual current action breaker according to claim 2, it is characterised in that: the alternating current is single-phase
When electric, the tripping coil of the trip circuit is arranged in rectification circuit front end.
6. remote alarms residual current action breaker according to claim 1, it is characterised in that: the trigger circuit is
Merger formula trigger circuit, the merger formula trigger circuit includes the silicon-controlled Q1 and silicon-controlled Q2 being arranged in parallel, described silicon-controlled
The anode of Q1 and silicon-controlled Q2 are electrically connected with switching circuit, the minus earth of the two, wherein the control electrode and electric leakage of silicon-controlled Q1
One end of detection circuit connects, and the control electrode of the silicon-controlled Q2 and the other end of electric-leakage detection circuit connect.
7. remote alarms residual current action breaker according to claim 6, it is characterised in that: the silicon-controlled control
It is connect after pole series resistance processed with any end of electric-leakage detection circuit.
8. remote alarms residual current action breaker according to claim 6, it is characterised in that: the silicon-controlled control
Pole processed passes sequentially through capacitor and diode ground connection.
9. according to remote alarms residual current action breaker described in claim 6,7 or 8, it is characterised in that: the electric leakage
Detection circuit includes two test sides, and two test sides are connect with silicon-controlled control electrode all the way respectively, and described two detections
Successively parallel resistance and capacitor between end.
10. remote alarms residual current action breaker according to claim 1, it is characterised in that: the remote alarms
It includes shell to residual current action breaker, setting the intracorporal switching switch of shell, alarm lamp, control circuit board and
A piece pin of mutual inductor, the switching switch is connected by a foot of resistance and alarm lamp, the switching switch
Another pin is directly electrically connected with control circuit board, and city's electric connection line passes through mutual inductor and is electrically connected with control circuit board
It connects, two signal wires is drawn on the control circuit board, and pass through shell and be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307189.1A CN110224374B (en) | 2019-04-17 | 2019-04-17 | Remote alarm residual current operated circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307189.1A CN110224374B (en) | 2019-04-17 | 2019-04-17 | Remote alarm residual current operated circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110224374A true CN110224374A (en) | 2019-09-10 |
| CN110224374B CN110224374B (en) | 2021-03-23 |
Family
ID=67822584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910307189.1A Active CN110224374B (en) | 2019-04-17 | 2019-04-17 | Remote alarm residual current operated circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110224374B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469406A (en) * | 2002-09-04 | 2004-01-21 | 正泰集团公司 | Controller for electromagnetic system of universal contactor |
| CN2620882Y (en) * | 2003-03-17 | 2004-06-16 | 孙国庆 | Water level automatic monitoring alarm device |
| CN204733146U (en) * | 2015-07-14 | 2015-10-28 | 库顿电子科技（厦门）有限公司 | A kind of single-phase intelligent solid-state relay |
| CN109103845A (en) * | 2018-10-16 | 2018-12-28 | 华通机电股份有限公司 | A kind of merger formula full-bridge trigger circuit of breaker |
-
2019
- 2019-04-17 CN CN201910307189.1A patent/CN110224374B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469406A (en) * | 2002-09-04 | 2004-01-21 | 正泰集团公司 | Controller for electromagnetic system of universal contactor |
| CN2620882Y (en) * | 2003-03-17 | 2004-06-16 | 孙国庆 | Water level automatic monitoring alarm device |
| CN204733146U (en) * | 2015-07-14 | 2015-10-28 | 库顿电子科技（厦门）有限公司 | A kind of single-phase intelligent solid-state relay |
| CN109103845A (en) * | 2018-10-16 | 2018-12-28 | 华通机电股份有限公司 | A kind of merger formula full-bridge trigger circuit of breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110224374B (en) | 2021-03-23 |
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