CN106971917A - A kind of earth leakage circuit breaker mounting process - Google Patents
A kind of earth leakage circuit breaker mounting process Download PDFInfo
- Publication number
- CN106971917A CN106971917A CN201710303905.XA CN201710303905A CN106971917A CN 106971917 A CN106971917 A CN 106971917A CN 201710303905 A CN201710303905 A CN 201710303905A CN 106971917 A CN106971917 A CN 106971917A
- Authority
- CN
- China
- Prior art keywords
- poles
- thread
- main casing
- mounting process
- breaker
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
Abstract
The present invention relates to a kind of earth leakage circuit breaker mounting process, comprise the following steps:S1, installs L poles breaker portion and is twisted thread there is provided two, two this twist thread and be respectively connected to two terminals that the L poles breaker portion domestic demand is directly electrically connected, and each this is twisted thread and is respectively provided with a free end;S2 is there is provided a current transformer and a set of pipe fitting, wherein the free end twisted thread passes through the current transformer, and then this two is twisted thread and be sheathed in the sleeve part;S3, the riveting sleeve part, make this two twist thread being mutually permanently connected and electrically connecting so that the current transformer realize detect the L poles breaker portion in circuit function.
Description
Technical field
The present invention relates to the control of power supply-distribution system and protection technique, more particularly to a kind of new micro earth leakage protective open circuit
Device mounting process.
Background technology
Miniature circuit breaker is now widely used for control and the guarantor of residential households distribution line and low power electric appliance equipment
Shield.When the failures such as current overload, short circuit occur for power and distribution supply cable or low power electric appliance, the miniature circuit breaker of connection in circuit
Energy automatic shutdown circuit, so as to protect electric equipment and personal safety.
Miniature circuit breaker includes dynamic/static contact, operating mechanism and the part of electrical apparatus release three;Under normal condition, operating mechanism
In lock it is sealed, moving contact is contacted with static contact, circuit be powered;When there is current overload, it is electric leakage, short-circuit, instantaneous excessively electric
During the faults such as stream, electrical apparatus release triggering lock is opened, and moving contact is separated with static contact, so as to circuit be disconnected, pending fault
After exclusion, then the handle pulled in operating mechanism will latch sealed, moving contact is contacted again with static contact, circuit is connected.
Most of miniature circuit breakers of in the market only have single defencive function, or only earth leakage protective or only mistake
Carry protection or only short-circuit protection etc..Simultaneously collect it is a variety of be protected in integral Multifunctional minitype circuit breaker to protection electrical equipment
Equipment and personal safety are relatively reliable.Open (bulletin) number discloses a kind of multi-functional small for CN201181682Y utility model
Type breaker, including:The operating mechanism being fixed in casing;Casing internal impedance sensor is fixed on, the impedance transducer
In provided with the wire that is connected with by protection circuit;The control circuit being connected with impedance transducer;The electricity being connected with control circuit
Magnetic release;The impedance transducer is used to gather by the voltage or current signal of protection circuit;The control circuit is used for root
The signal detection gathered according to impedance transducer goes out overload, electric leakage, short circuit, overvoltage protection, under-voltage and open phase fault, control
Magnetictrip makes operating mechanism thread off;Magnetictrip is used to make operating mechanism thread off according to the control of control circuit.
However, in above-mentioned technical proposal, current transformer and zero sequence current mutual inductor is both needed to phase line and the neutral conductor is passed through,
Its mounting process essentially will be welded or be spirally connected through the wire two ends of current transformer and is fixed on circuit board or terminals, its
Cause the necessary synchronous production of component of two functional independences of bulk-breaking production, its packaging technology is complicated, and operating efficiency is low;And in fact
The feasibility of existing technique, largely sacrifices electronic element row cloth optimization benefit of knowing clearly, it is impossible to meet actual use well
Demand.
The content of the invention
The present invention is intended to provide a kind of earth leakage circuit breaker mounting process, is answered with solving existing breaker mounting process
The problem of miscellaneous, zero sequence current mutual inductor installation difficulty and poor electronic configuration structural behaviour.
Concrete scheme is as follows:A kind of earth leakage circuit breaker mounting process, comprises the following steps:
S1, install L pole breaker portions the step of twisted thread there is provided two, two this twist thread and be respectively connected to the L poles breaker portion domestic demand
Two terminals directly electrically connected, and each this twist thread and be respectively provided with a free end;
S2 is there is provided a current transformer and a set of pipe fitting, wherein the free end twisted thread passes through the current transformer, then
This two is twisted thread and is sheathed in the sleeve part;
S3, the riveting sleeve part, make this two twist thread being mutually permanently connected and electrically connecting, realize two terminals by two should
Twist thread electrical connection, and the current transformer is realized the function of detecting circuit in the L poles breaker portion.
Further, step S1 comprises the following steps:
There is provided first main casing in a L poles breaker portion and two, this is twisted thread S11, and the L poles breaker portion circuit element is pacified
Loaded on first main casing, by two two wiring that are electrically connected and are directly electrically connected in the first main casing domestic demand of twisting thread
End;
S12 offers correspondence two twist thread two first there is provided first side cover in a L poles breaker portion on first side cover
Keep away a hole;First side cover is installed on first main casing, and make two this twist thread by two this first keep away a hole through stretching
Go out first main casing.
Further, in step S1, the first junction block, the second junction block, the first stationary contact are installed in the L poles breaker portion
Head, thermosensitive bimetal and L poles locking mechanism, the L poles locking mechanism is provided with the first moving contact to control this first dynamic to touch
Head contact or remote first static contact;Second junction block is electrically connected with first static contact, and the thermosensitive bimetal is free
End is electrically connected with first moving contact;One twists thread electrically connects with the thermosensitive bimetal fixing end, another to twist thread and this first connects
Line seat electrical connection.
Further, in step S2, the current transformer is the zero sequence current mutual inductor in a N poles electric leakage portion, is entered
And realize detection of the N poles electric leakage portion to leakage condition in the L poles breaker portion;The sleeve part is copper pipe.
Further, step S2 comprises the following steps:
S21 is offered on second main casing there is provided second main casing and a zero sequence current mutual inductor in a N poles electric leakage portion
Twist thread two second of correspondence two keep away a hole;The zero sequence current mutual inductor is installed in second main casing;
S22, second main casing is twisted thread the side of extraction located at first main casing, two this twist thread respectively by two this second
A hole is kept away through second main casing;
S23 is there is provided a set of pipe fitting, wherein the free end twisted thread passes through the zero sequence current mutual inductor, and then this two is twisted thread
It is sheathed in the sleeve part.
Further, also comprise the following steps:
Second side cover is installed on second main casing by S4 there is provided second side cover in a N poles electric leakage portion, to be leaked to the N poles
Circuit carries out insulated enclosure in electric portion;
The N poles electric leakage portion, is fixedly connected by S5 by rivet with the L poles breaker portion.
Further, in step S21, be separately installed with the 3rd on second main casing in the N poles electric leakage portion of N poles electric leakage portion,
4th junction block, N poles locking mechanism, magnetictrip, circuit board, the zero sequence current mutual inductor are also installed on second main casing
On;The N poles locking mechanism is accessed between the three, the 4th junction blocks so that the three, the 4th junction blocks pass through the extremely sealed machines of the N
Structure is electrically connected, and the circuit board is electrically connected with the zero sequence current mutual inductor and magnetictrip respectively, and the magnetictrip can be made
For the N poles locking mechanism, connecting and disconnecting of the circuit between first, second junction block is controlled with realizing.
The incomplete peace in L poles breaker portion is first completed in the earth leakage circuit breaker mounting process installation process of the present invention
Dress, and two terminals for being installed on and needing directly to electrically connect in the electric leakage portion of N poles that two are twisted thread;
Then make one this twist thread through current transformer, then realize that first twists thread section, the second fixation for twisting thread section by sleeve member
And electrical connection, the greatly simplified installation difficulty of current transformer, installation exercise technology difficulty is realized, and be conducive to electronics
Arrangement of elements optimizes.
Brief description of the drawings
Fig. 1 shows step S11 principle schematics of the present invention;
Fig. 2 shows that Fig. 1 removes the front view after twisting thread;
Fig. 3 shows the structural representation after the completion of step 1;
Fig. 4 shows the structural representation after the completion of step S2;
Fig. 5 shows Fig. 4 front views;
Fig. 6 shows the structural representation after the completion of step S5.
Embodiment
To further illustrate each embodiment, the present invention is provided with accompanying drawing.These accompanying drawings are the invention discloses the one of content
Point, it is mainly to illustrate embodiment, and can coordinate the associated description of specification to explain the operation principles of embodiment.Coordinate ginseng
These contents are examined, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure
Component be not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the present invention is further described.
With reference to Fig. 1 to Fig. 6, the earth leakage circuit breaker mounting process of the embodiment, including following S1 to S5 five are main
Step:
The step of S1, L pole breaker are installed:
With reference to Fig. 1 to Fig. 3, step S1 is specifically the steps of:
Step S11 is there is provided first main casing 11 in a L poles breaker portion and twists thread and 2 and twists thread 3:
First main casing 11 includes the installation cavity of side end opening, and the first junction block 12 and the second junction block 14 are pacified respectively
Both sides loaded on installation cavity in the first main casing 11, and thermosensitive bimetal 13 is installed in the installation cavity, in the installation cavity
Also be installed with the first static contact and L poles locking mechanism, the L poles locking mechanism provided with the first moving contact with control this
One moving contact is contacted or away from first static contact.
Second junction block 14 is electrically connected with first static contact, and the free end of the thermosensitive bimetal first dynamic is touched with this
Head electrical connection;In this embodiment, first junction block 12 need to directly be electrically connected with the bottom of the thermosensitive bimetal 13, be real
The now electrical connection, twist thread 3 electrically connects with the fixing end of the thermosensitive bimetal 13, and twist thread 2 electrically connects with first junction block 12.
Step S12, in conjunction with Fig. 2 and Fig. 3 there is provided first side cover of L poles breaker portion 11, first side cover 11 is covered
On the installation cavity for being installed on first main casing 11:
Two through holes run through are offered on the wall of first side cover 11, it is respectively first to keep away a hole 102 and second and keep away a hole
103, a hole 102 through first is kept away in 2 one end of twisting thread, and twists thread and 3 through second keeps away a hole 103;With in the L poles breaker portion
Circuit carries out insulated enclosure;
That is step S1, make two this twist thread and be respectively connected to two terminals that the L poles breaker portion domestic demand is directly electrically connected, and often
One this twist thread and be respectively provided with a free end on the outside of the L poles breaker portion, the step is by the circuit knot in the L poles breaker portion
Structure is installed on first main casing 11, then two this twist thread and 2 and 3 be respectively arranged in two the first junction blocks that need to directly electrically connect
12 and the bottom of thermosensitive bimetal 13, and realize this twist thread 2 and 3 free end by two this first keep away a hole 102 and 103
Through stretching first main casing 11;
It is understood that in other specific implementations, it can also will twist thread and 3 be fixed on thermosensitive bimetal 13, twist with the fingers
Line 2 is fixed on the first junction block 12, then, installs thermosensitive bimetal 13, after the first junction block 12, will be twisted thread and 2 and 3 is worn
Cross corresponding first and keep away a hole.
The step of S2, mounting portion N poles electric leakage portion, with reference to Fig. 5 and Fig. 6, the step specifically includes following steps:
There is provided second main casing 40 in a N poles electric leakage portion and a zero sequence current mutual inductor 46, second main casing by step S21
40 also include an installation cavity, also correspond on the wall of the installation cavity and offer two through holes, i.e., two second and keep away a hole(In figure not
It can be seen that);In this step, zero sequence current mutual inductor 46 is as a current transformer, to realize to being leaked electricity in the L poles breaker portion
The detection of state;
On the installation cavity of second main casing 40 in N poles electric leakage portion successively on be provided with the three, the 4th junction blocks 42,44, N it is extremely sealed
Mechanism 43, magnetictrip 47, circuit board 45, the zero sequence current mutual inductor 46 are also installed on the installation cavity of second main casing 40
It is interior;The N poles locking mechanism 43 is accessed between the three, the 4th junction blocks 42,44 so that the three, the 4th junction blocks pass through the N
Pole locking mechanism 43 is electrically connected, and the circuit board 45 is electrically connected with the zero sequence current mutual inductor 46 and magnetictrip 47 respectively,
The magnetictrip 47 can act on the N poles locking mechanism 43, to realize to circuit between the three, the 4th junction blocks 42,44
Break-make is controlled.
Step S22, the side of second main casing 40 is twisted thread located at first main casing 11 2 and 3 extractions of twisting thread, and the
The bottom wall of two main casings 40 is attached on the bottom wall of first main casing 11, and by this twist thread 2 and twist thread 3 respectively by two this
Two keep away a hole through second main casing 40;
Step S23 is there is provided a set of pipe fitting 5, and 2 free end of twisting thread passes through the zero sequence current mutual inductor 46, then twist thread 2 from
Be sheathed on by end in the sleeve part 5 and 3 free end of twisting thread also be sheathed in sleeve part 5, and make to twist thread 2 and twist thread 3 conflicts with
Realize and be electrically connected with.
In conjunction with shown in Fig. 5 and Fig. 6:
S3, in this embodiment, the sleeve part 5 is copper pipe, the riveting sleeve part 5, this is twisted thread and 2 and twists thread and 3 interfix
Connection and electrical connection, so that the zero sequence current mutual inductor 46 realizes the function of detecting circuit in the L poles breaker portion;
Second side cover 41 is installed on second main casing 40, with right by S4 there is provided second side cover 41 in a N poles electric leakage portion
Circuit carries out insulated enclosure in the N poles electric leakage portion;
The N poles electric leakage portion, finally, is fixedly connected by S5 by rivet 7 with the L poles breaker portion.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (7)
1. a kind of earth leakage circuit breaker mounting process, it is characterised in that comprise the following steps:
S1, install L pole breaker portions the step of twisted thread there is provided two, two this twist thread and be respectively connected to the L poles breaker portion domestic demand
Two terminals directly electrically connected, and each this twist thread and be respectively provided with a free end;
S2 is there is provided a current transformer and a set of pipe fitting, wherein the free end twisted thread passes through the current transformer, then
This two is twisted thread and is sheathed in the sleeve part;
S3, the riveting sleeve part, make this two twist thread being mutually permanently connected and electrically connecting, realize two terminals by two should
Twist thread electrical connection, and the current transformer is realized the function of detecting circuit in the L poles breaker portion.
2. earth leakage circuit breaker mounting process according to claim 1, it is characterised in that step S1 includes following step
Suddenly:
There is provided first main casing in a L poles breaker portion and two, this is twisted thread S11, and the L poles breaker portion circuit element is pacified
Loaded on first main casing, by two two wiring that are electrically connected and are directly electrically connected in the first main casing domestic demand of twisting thread
End;
S12 offers correspondence two twist thread two first there is provided first side cover in a L poles breaker portion on first side cover
Keep away a hole;First side cover is installed on first main casing, and make two this twist thread by two this first keep away a hole through stretching
Go out first main casing.
3. earth leakage circuit breaker mounting process according to claim 1, it is characterised in that:In step S1, the L is extremely breaking
First junction block, the second junction block, the first static contact, thermosensitive bimetal and L poles locking mechanism, the L are installed in device portion
Pole locking mechanism is provided with the first moving contact to control first moving contact to contact or away from first static contact;Second wiring
Seat is electrically connected with first static contact, and the thermosensitive bimetal free end is electrically connected with first moving contact;One twists thread and the heat
Quick bimetal leaf fixing end electrical connection, another twist thread electrically connects with first junction block.
4. earth leakage circuit breaker mounting process according to claim 1, it is characterised in that:In step S2, the electric current is mutual
Sensor is the zero sequence current mutual inductor in a N poles electric leakage portion, and then realizes the N poles electric leakage portion to the L poles breaker portion
The detection of interior leakage condition;The sleeve part is copper pipe.
5. earth leakage circuit breaker mounting process according to claim 4, it is characterised in that step S2 includes following step
Suddenly:
S21 is offered on second main casing there is provided second main casing and a zero sequence current mutual inductor in a N poles electric leakage portion
Twist thread two second of correspondence two keep away a hole;The zero sequence current mutual inductor is installed in second main casing;
S22, second main casing is twisted thread the side of extraction located at first main casing, two this twist thread respectively by two this second
A hole is kept away through second main casing;
S23 is there is provided a set of pipe fitting, wherein the free end twisted thread passes through the zero sequence current mutual inductor, and then this two is twisted thread
It is sheathed in the sleeve part.
6. earth leakage circuit breaker mounting process according to claim 5, it is characterised in that also comprise the following steps:
Second side cover is installed on second main casing by S4 there is provided second side cover in a N poles electric leakage portion, to be leaked to the N poles
Circuit carries out insulated enclosure in electric portion;
The N poles electric leakage portion, is fixedly connected by S5 by rivet with the L poles breaker portion.
7. earth leakage circuit breaker mounting process according to claim 5, it is characterised in that in step S21, N poles leakage
Be separately installed with second main casing in electric portion N poles electric leakage portion the three, the 4th junction blocks, N poles locking mechanism, magnetictrip,
Circuit board, the zero sequence current mutual inductor is also installed on second main casing;The N poles locking mechanism accesses the three, the 4th and connect
So that the three, the 4th junction blocks are electrically connected by N poles locking mechanism between line seat, the circuit board respectively with the zero-sequence current
Transformer and magnetictrip electrical connection, the magnetictrip can act on the N poles locking mechanism, with realize to this first,
Connecting and disconnecting of the circuit is controlled between second junction block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710303905.XA CN106971917A (en) | 2017-05-03 | 2017-05-03 | A kind of earth leakage circuit breaker mounting process |
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CN201710303905.XA CN106971917A (en) | 2017-05-03 | 2017-05-03 | A kind of earth leakage circuit breaker mounting process |
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CN106971917A true CN106971917A (en) | 2017-07-21 |
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CN201710303905.XA Pending CN106971917A (en) | 2017-05-03 | 2017-05-03 | A kind of earth leakage circuit breaker mounting process |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110459448A (en) * | 2019-08-29 | 2019-11-15 | 深圳曼顿科技有限公司 | Miniature circuit breaker |
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CN2648682Y (en) * | 2003-08-12 | 2004-10-13 | 黄建文 | Automatic power supply changover switch |
CN203859088U (en) * | 2014-04-22 | 2014-10-01 | 天津莱特默勒电气设备安装有限公司 | Electric leakage circuit breaker with compact structure |
CN203859089U (en) * | 2014-04-22 | 2014-10-01 | 天津莱特默勒电气设备安装有限公司 | Integrated electric leakage circuit breaker |
CN203859072U (en) * | 2014-04-22 | 2014-10-01 | 天津莱特默勒电气设备安装有限公司 | Novel electric leakage circuit breaker |
CN204045518U (en) * | 2014-09-16 | 2014-12-24 | 长城电器集团有限公司 | A kind of residual current circuit breaker connected system |
CN204257846U (en) * | 2014-10-24 | 2015-04-08 | 国家电网公司 | A kind of jointing clamp device |
-
2017
- 2017-05-03 CN CN201710303905.XA patent/CN106971917A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2648682Y (en) * | 2003-08-12 | 2004-10-13 | 黄建文 | Automatic power supply changover switch |
CN203859088U (en) * | 2014-04-22 | 2014-10-01 | 天津莱特默勒电气设备安装有限公司 | Electric leakage circuit breaker with compact structure |
CN203859089U (en) * | 2014-04-22 | 2014-10-01 | 天津莱特默勒电气设备安装有限公司 | Integrated electric leakage circuit breaker |
CN203859072U (en) * | 2014-04-22 | 2014-10-01 | 天津莱特默勒电气设备安装有限公司 | Novel electric leakage circuit breaker |
CN204045518U (en) * | 2014-09-16 | 2014-12-24 | 长城电器集团有限公司 | A kind of residual current circuit breaker connected system |
CN204257846U (en) * | 2014-10-24 | 2015-04-08 | 国家电网公司 | A kind of jointing clamp device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110459448A (en) * | 2019-08-29 | 2019-11-15 | 深圳曼顿科技有限公司 | Miniature circuit breaker |
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Application publication date: 20170721 |