CN207896047U - A kind of leakage circuit breakers of fastening inlet-outlet line - Google Patents
A kind of leakage circuit breakers of fastening inlet-outlet line Download PDFInfo
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- CN207896047U CN207896047U CN201820012607.5U CN201820012607U CN207896047U CN 207896047 U CN207896047 U CN 207896047U CN 201820012607 U CN201820012607 U CN 201820012607U CN 207896047 U CN207896047 U CN 207896047U
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- circuit breakers
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- resistance
- leakage circuit
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Abstract
The utility model discloses a kind of leakage circuit breakers of fastening inlet-outlet line, belong to leakage circuit breakers, earth leakage protective device technical field.Leakage circuit breakers is equipped with connecting terminal components, and connecting terminal components have at least two fastening bolts for fastening same pole supply terminals；The component also terminal-framework with channel, fastening bolt is arranged in the top of terminal-framework and stretches in channel, to fasten the supply terminals generation high thermal initiation electrical fire of high temperature across channel, thus, it is possible to effectively prevent supply terminals loosening or fall off, the purpose of safety utilization of electric power is realized；The inside of leakage circuit breakers, which also has, includes current transformer and wiring board; current transformer is classified adjusting circuit with a leakage current and is connected; being classified adjusting circuit from there through leakage current can realize that classification adjusts the electric leakage working value of leakage circuit breakers; it can avoid meeting failure due to earth leakage protective device, user exits the creepage protection function of earth leakage protective device for the helpless violation of electricity consumption and causes appliance fire.
Description
Technical field
The utility model is related to leakage circuit breakers technical field, more particularly to a kind of leakage circuit breakers of fastening inlet-outlet line.
Background technology
Leakage circuit breakers is commonly called as leakage switch, earth leakage protective device, is occurred over the ground for being damaged in circuit or electrical apparatus insulation
When short-circuit for it is anti-the person get an electric shock and electrical fire protection electric appliance, be generally mounted in house ammeter box or distribution box, cabinet and
The power supply inlet-outlet line connection of the equipment such as full building consumer unit.
Currently, there are many reason of causing appliance fire, one is leakage circuit breakers is all made of due to its power supply inlet-outlet line
Single bolt is installed, and is susceptible to power supply inlet-outlet line and is loosened or fall off and generate high fever or sparking electric discharge, so as to cause leakage is burnt
Electrical circuit breakers cause appliance fire；The second is the leakage current due to leakage circuit breakers cannot be adjusted, rainy season wet environment, leakage are met
Electric current increase causes leakage circuit breakers tripping power-off, user to be protected for the electric leakage that leakage circuit breakers is reluctantly exited in electricity consumption in violation of rules and regulations
Protective function and cause appliance fire.
Utility model content
Therefore, the utility model proposes a kind of leakage circuit breakers of fastening inlet-outlet line, at least all or part of upper solutions
Certainly or alleviate the above-mentioned problems in the prior art defect.
For this purpose, the technical solution of the utility model is as follows：
A kind of leakage circuit breakers of fastening inlet-outlet line is provided, the leakage circuit breakers is equipped with connecting terminal components, described
Connecting terminal components have at least two fastening bolts for fastening same pole supply terminals；
Also there is the connecting terminal components terminal-framework equipped with channel, the fastening bolt to be arranged in the terminal frame
It the top of frame and stretches in channel, to fasten the supply terminals across the channel；
The inside of the leakage circuit breakers also has the wiring board comprising current transformer, the current transformer and a leakage
Current levels adjust circuit and are connected.
Further, the terminal-framework that the connecting terminal components have be it is multiple, multiple terminal-frameworks
Top all has corresponds the threaded hole or special fastener being threadedly coupled at least two fastening bolt.
Further, the terminal-framework that the connecting terminal components have is one, terminal-framework
Top has corresponds the multiple threaded holes or special fastener being threadedly coupled at least two fastening bolt.
Further, the terminal-framework that the connecting terminal components have is one, terminal-framework
Top has corresponds the multiple threaded holes being threadedly coupled at least two fastening bolt.
Further, the inner wall of the lower end of the terminal-framework is equipped with anti-skid chequer.
Further, the lower end of the terminal-framework is in the arc outwardly protruded.
Further, at least two fastening bolt is in from top to bottom that vertical structure is arranged.
Further, the terminal-framework is that metalwork is bent.
Further, leakage current classification adjust circuit include tool there are three the switch SA of movable contact spring, first resistor R1,
Second resistance R2 and 3rd resistor R3, the first resistor R1, second resistance R2 and 3rd resistor R3 are sequentially connected in series,
The switch SA is arranged on the shell of the leakage circuit breakers, the first resistor R1, the second resistance R2 and described
3rd resistor R3 is respectively placed on the wiring board, one end of the first resistor R1 and an output end of the current transformer
B1 connections, the other end of the first resistor R1 are connect with one end of the second resistance R2, and the second resistance R2's is another
End connect with one end of the 3rd resistor R3, the other end A3 of the 3rd resistor R3 correspond to the switch SA third move it is tactile
The first contact A1 of piece K3, the first resistor R1 and the second resistance R2 are to the first movable contact spring K1 of the switch SA, institute
The second movable contact spring K2 connections of the second resistance R2 switches corresponding with the second contact A2 of the 3rd resistor R3 are stated, it is described to open
The break J for closing SA is connect with the ends another output B2 of the current transformer.
Further, leakage current classification adjust circuit include tool there are three the switch SA of movable contact spring, first resistor R1,
Second resistance R2 and 3rd resistor R3, the switch SA are arranged on the shell of the leakage circuit breakers, the first resistor
R1, the second resistance R2 and the 3rd resistor R3 are respectively placed on the wiring board, the first resistor R1, described
The resistance value of two resistance R2 and the 3rd resistor R3 are incremented by successively, break J and the Current Mutual Inductance of the switch SA
The common end of one output B1 ends connection of device, the first resistor R1, the second resistance R2 and the 3rd resistor R3 and
The ends another output B2 of the current transformer connect, the movable contact spring of the switch SA alternatively with the first resistor R1, institute
State second resistance R2 and 3rd resistor R3 electrical connections.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
The utility model provides a kind of leakage circuit breakers of fastening inlet-outlet line, due to passing through at least the two of leakage circuit breakers
A fastening bolt fastens same pole supply terminals, it is thus possible to effectively prevent supply terminals to loosen or fall off, directly
It connects and reduces electricity consumption hidden danger, realize the purpose of safety utilization of electric power；In addition, including Current Mutual Inductance since the inside of leakage circuit breakers also has
Device and wiring board, current transformer are classified adjusting circuit with a leakage current and are connected, be classified from there through leakage current and adjust circuit
It can realize that classification adjusts the electric leakage working value of leakage circuit breakers, can be avoided to a certain extent due to rainy season wet environment,
Leakage current increase causes leakage circuit breakers tripping power-off, user reluctantly to exit the electric leakage of leakage circuit breakers in violation of rules and regulations for electricity consumption
Defencive function and cause appliance fire.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the front view of the leakage circuit breakers of the fastening inlet-outlet line of the utility model；
Fig. 2 is the side view of the leakage circuit breakers of the fastening inlet-outlet line of the utility model；
Fig. 3 is the side view of the connecting terminal components of the leakage circuit breakers of the fastening inlet-outlet line of the utility model；
Fig. 4 is a kind of embodiment of the terminal-framework of the utility model；
Fig. 5 is the another embodiment of the terminal-framework of the utility model；
Fig. 6 a are the front views of the 63A monopole leakage circuit breakers of the utility model；
Fig. 6 b are the front views of the 63A Double-pole leakage circuit breakers of the utility model；
Fig. 6 c are the front views of the tri- pole leakage circuit breakers of 63A of the utility model；
Fig. 7 a are the front views of the 100A monopole leakage circuit breakers of the utility model；
Fig. 7 b are the front views of the 100A Double-pole leakage circuit breakers of the utility model；
Fig. 7 c are the front views of the tri- pole leakage circuit breakers of 100A of the utility model；
Fig. 8 is that the leakage current classification of the utility model adjusts a kind of embodiment circuit diagram of circuit；
Fig. 9 is that the leakage current classification of the utility model adjusts the another embodiment circuit diagram of circuit.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
It is only the utility model a part of the embodiment to apply example, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
It should be noted that the utility model description as described on directions such as " tops ", " lower section ", " top " or " lower part "
It is all based on the contextual definition in orientation or position shown in the drawings, description the utility model is merely for convenience of and simplification is retouched
It states, rather than indicates or imply that the device must be with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.Term " first ", " second " are used for description purposes only, and are not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or more in the description of the present invention, remove
It is non-separately to have clearly specific restriction.
Shown in Fig. 3, the leakage circuit breakers for the fastening inlet-outlet line that the utility model embodiment provides is equipped with wiring
Terminal assemblies, connecting terminal components have at least two fastening bolts 10 for fastening same pole supply terminals, terminals
Also there is sub-component the terminal-framework 20 equipped with channel, fastening bolt 10 to be arranged in the top of terminal-framework 20 and stretch to channel
It is interior, to fasten the supply terminals across channel；The inside of leakage circuit breakers also has comprising current transformer and wiring board (not
Diagram), current transformer is classified adjusting circuit with a leakage current and is connected.Specifically, the leakage circuit breakers of fastening inlet-outlet line
With leakage circuit breakers pedestal (not shown) and for covering the shell (not labeled) for closing circuit breaker base, circuit breaker base and shell
It can be fastenedly connected by fastener (not labeled).Connecting terminal components are arranged on leakage circuit breakers pedestal, terminals
Sub-component has at least two fastening bolts 10 and terminal-framework 20 for being fastened to same pole supply terminals, terminal
The top of frame 20 is provided with threaded hole compatible with fastening bolt 10, terminal-framework 20 have similar to rectangular shape and
The channel of supply terminals can be accommodated；When supply terminals and leakage circuit breakers are attached, using being arranged in terminal-framework
The 20 top and fastening bolt 10 stretched in channel fastens the supply terminals across 20 channel of terminal-framework,
In, the structure of at least two fastening bolts fastened to same pole supply terminals can be identical, it is preferable that is all made of M4
Bolt selects clamping bolt according to electric current.
The utility model embodiment provides a kind of leakage circuit breakers of fastening inlet-outlet line, due to passing through leakage circuit breakers
There are connecting terminal components at least two fastening bolts to be fastened to same pole supply terminals, therefore can effectively prevent electricity
Source terminals loosen or fall off, and directly reduce electricity consumption hidden danger, realize the purpose of safety utilization of electric power；In addition, due to leakage circuit breakers
Internal also to have comprising current transformer and wiring board, current transformer is classified adjusting circuit with a leakage current and is connected, thus
Being classified adjusting circuit by leakage current can realize that classification adjusts the electric leakage working value of leakage circuit breakers, meet rainy season humidity ring
Border when leakage current increase leads to leakage circuit breakers tripping power-off, can avoid exiting with reduction User Violations to a certain extent
The creepage protection function of leakage circuit breakers and cause electrical fire.
Connection relation between the terminal-framework 20 mentioned in above-mentioned technical proposal and fastening bolt 10 can there are many real
Existing mode.
As a kind of embodiment of the utility model, terminal-framework 20 that connecting terminal components have be it is multiple, it is multiple
The top of terminal-framework 20 all has corresponds the threaded hole being threadedly coupled at least two fastening bolts 10.As shown in figure 4,
The top of each terminal-framework 20 all has a threaded hole 21 for threaded connection corresponding with fastening bolt 10.Preferably,
The terminal-framework 20 that connecting terminal components have is two, and the top of each terminal-framework 20 is respectively provided with a threaded hole 21,
Fastening bolt 10 for being fastened to same pole supply terminals is two.
As the another embodiment of the utility model, terminal-framework 20 that connecting terminal components have be it is multiple, it is more
The top of a terminal-framework 20 all has corresponds the special fastener being threadedly coupled at least two fastening bolts 10,
In, the top of terminal-framework 20 is equipped with the via passed through for fastening bolt 10, and special fastener is fixed at the lower part of via,
The stud of fastening bolt 20 is threadedly coupled after the via of terminal-framework 20 with special fastener, wherein special fastener can
Think the nut to match with fastening bolt.Preferably, the terminal-framework 20 that connecting terminal components have is two, each terminal
The top of frame 20 is respectively provided with a special fastener, the fastening bolt 10 for being fastened to the same supply terminals
It is two.
As the another embodiment of the utility model, the terminal-framework 20 that connecting terminal components have is one, should
The top of terminal-framework 20 has corresponds the multiple threaded holes being threadedly coupled at least two fastening bolts 10.Such as Fig. 5 institutes
Show, the top of terminal-framework 20 all has multiple threaded holes 21 for threaded connection corresponding with fastening bolt 10.Preferably, it holds
There are two threaded holes 21 for the top tool of subframe 20, and the fastening bolt 10 for being fastened to the same supply terminals is two
A, the center spacing of two adjacent threaded holes could be provided as 6mm ± 1mm and select bolt according to size of current.
As the another embodiment of the utility model, the terminal-framework 20 that connecting terminal components have is one, should
The top of terminal-framework 20 has corresponds the multiple special fasteners being threadedly coupled at least two fastening bolts 10.It is preferred that
, the top tool of terminal-framework 20 is there are two special fastener, the fastening spiral shell for being fastened to same pole supply terminals
Bolt 10 is two.
Certainly, above-mentioned technical proposal only lists several simple embodiments, terminal-framework 20 and fastening bolt 10
Between connection relation can also have other modes realization, no longer repeat one by one here.
As a kind of embodiment of the utility model, with reference to shown in Fig. 4 and Fig. 5, the inner wall of the lower end of terminal-framework 20
It is equipped with anti-skid chequer, is slipped to avoid across the terminals in the channel of terminal-framework, to further increase fastening bolt to electricity
The fastening of source terminals.
As a kind of embodiment of the utility model, with reference to shown in Fig. 4 and Fig. 5, the lower end of terminal-framework 20 is in outside
The arc of protrusion, so that the supply terminals across the channel of terminal-framework can preferably be gathered in the bottom of terminal-framework
Portion, to further increase the fastening that fastening bolt docks line end.
As a kind of embodiment of the utility model, shown referring to FIG. 1 and FIG. 2, at least two fastening bolts 10 are by upper
It arranges, same pole supply terminals is fastened for the ease of at least two fastening bolts 10, therefore in vertical structure to lower
At least two fastening bolt 10 of direction of routing pair along supply terminals is arranged.
As a kind of embodiment of the utility model, terminal-framework is metalwork bending forming, specifically, terminal frame
Frame be a rectangle sheet metal bend inwards so that terminal-framework have the characteristics that it is simple in structure, convenient for manufacture.
As a kind of embodiment of the utility model, leakage circuit breakers is single-pole circuit breaker, double-pole cut-out or multipole
Breaker.Shown in Fig. 6 a~Fig. 6 c and Fig. 7 a~Fig. 7 c, wherein Fig. 6 a are the 63A monopoles leakages of the utility model
The front view of electrical circuit breakers, Fig. 6 b are the front views of the 63A Double-pole leakage circuit breakers of the utility model, and Fig. 6 c are the utility model
Tri- pole leakage circuit breakers of 63A front view；Fig. 7 a are the front view of the 100A monopole leakage circuit breakers of the utility model, Fig. 7 b
It is the front view of the 100A Double-pole leakage circuit breakers of the utility model, Fig. 7 c are the tri- pole leakage circuit breakers of 100A of the utility model
Front view.
Connection relation between the terminal-framework 20 mentioned in above-mentioned technical proposal and fastening bolt 10 can there are many real
Existing mode.
As a kind of embodiment of the utility model, with reference to shown in Fig. 8, it includes having three that leakage current classification, which adjusts circuit,
Switch SA, first resistor R1, second resistance R2 and the 3rd resistor R3 of a movable contact spring, the first resistor R1, second resistance
R2 and 3rd resistor R3 are sequentially connected in series, and the switch SA is arranged on the shell of the leakage circuit breakers, and described first
Resistance R1, the second resistance R2 and the 3rd resistor R3 are respectively placed on the wiring board, the first resistor R1's
One end is connect with an output end B1 of the current transformer, and the other end of the first resistor R1 is with the second resistance R2's
One end connects, and the other end of the second resistance R2 is connect with one end of the 3rd resistor R3, and the 3rd resistor R3's is another
One end A3 corresponds to the first contact A1 of third the movable contact spring K3, the first resistor R1 and the second resistance R2 of the switch SA
Described in corresponding with the second contact A2 of the 3rd resistor R3 to the first movable contact spring K1, the second resistance R2 of the switch SA
Second movable contact spring K2 connections of switch, the break J of the switch SA are connect with the ends another output B2 of the current transformer.
Preferably, switch SA can be toggle switch or toggle switch.
According to Fig. 8, it is as follows that the classification of the present embodiment leakage current adjusts operation：When switch SA is allocated to leftward position, first is dynamic
Contact K1 is connected, and the second movable contact spring K2 and third movable contact spring K3 are disconnected, and first resistor R1 is connected in parallel on the electric current of current transformer TA
In circuit, action current reaches 15 milliamperes or less leakage circuit breakers and is failure to actuate, and 15 milliamperes or more act.When switch SA is allocated to centre
Position, the second movable contact spring K2 are connected, and the first movable contact spring K1 is disconnected with third movable contact spring K3, and first resistor R1 goes here and there with second resistance R2
After connection, it is connected in parallel in the current loop of current transformer TA, action current reaches 25 milliamperes or less leakage circuit breakers and is failure to actuate,
25 milliamperes or more act.When switch is allocated to right side, third movable contact spring K3 is connected, and the first movable contact spring K1 and the second movable contact spring K2 are disconnected
It opens, after first resistor R1, second resistance R2 and 3rd resistor R3 series connection, is connected in parallel in the current loop of current transformer TA,
Action current reaches 50 milliamperes or less leakage circuit breakers and is failure to actuate, and 50 milliamperes or more act.Preferably, switch SA can be button
Switch or toggle switch.
As the another embodiment of the utility model, with reference to shown in Fig. 9, it includes having that leakage current classification, which adjusts circuit,
Switch SA, first resistor R1, second resistance R2 and the 3rd resistor R3 of three movable contact springs, the switch SA is arranged to break in electric leakage
On the shell of road device, first resistor R1, second resistance R2 and 3rd resistor R3 are respectively placed on wiring board, first resistor R1,
The resistance value of second resistance R2 and 3rd resistor R3 are incremented by successively, an output of the break J and current transformer of switch SA
The ends B1 connect, another output B2 at the common end and current transformer of first resistor R1, second resistance R2 and 3rd resistor R3
End connection, the movable contact spring of switch SA are alternatively electrically connected with the first resistor R1, second resistance R2 and 3rd resistor R3.It is preferred that
Ground, switch SA can be toggle switch or toggle switch.
According to Fig. 9, it is as follows that leakage current classification adjusts operation：When switch SA is allocated to leftward position, the movable contact spring of switch SA
Connect first resistor R1, first resistor R1 is connected in parallel in the current loop of current transformer TA, action current reach 15 milliamperes with
Lower leakage circuit breakers is failure to actuate, and 15 milliamperes or more act.When switch SA is allocated to centre position, the movable contact spring of switch SA connects second
Resistance R2, second resistance R2 are connected in parallel in the current loop of current transformer TA, and it is disconnected that action current reaches 25 milliamperes or less electric leakages
Road device is failure to actuate, and 25 milliamperes or more act.When switch SA is allocated to right side, the movable contact spring of switch SA connects 3rd resistor R3, third
Resistance R3 is connected in parallel in the current loop of current transformer TA, and it is motionless that action current reaches 50 milliamperes or less leakage circuit breakers
Make, 50 milliamperes or more leakage circuit breakers actions.
In the present embodiment, by the leakage current classification adjusting circuit in parallel on current transformer TA, user can basis
Actual demand change-over switch SA, makes the gear of switch SA connect different resistance, due to the corresponding electricity of the different stalls of switch SA
Resistance value difference is hindered, to realize that flexible leakage current classification adjusts total resistance value in circuit, changes the size of leakage current, realizes
The leakage current classification of leakage circuit breakers is adjusted.
The utility model embodiment provides a kind of leakage circuit breakers of fastening inlet-outlet line, due to logical in leakage circuit breakers
It crosses at least two fastening bolts to fasten same pole supply terminals, supply terminals can be effectively prevent to loosen or take off
It falls, directly reduces the generation of electricity consumption hidden danger or serious accident, realize the purpose of safety utilization of electric power；In addition, due to leakage, breaking
The inside of device also has comprising current transformer and wiring board, and current transformer is classified adjusting circuit with a leakage current and is connected,
Being classified adjusting circuit from there through leakage current can realize that classification adjusts the electric leakage working value of leakage circuit breakers, moist meeting rainy season
Environment can avoid User Violations to exit electric leakage to a certain extent when leakage current increase leads to leakage circuit breakers tripping power-off
The creepage protection function of breaker and cause appliance fire.
Above-mentioned all optional technical solutions, may be used the alternative embodiment that any combination forms the utility model, herein
No longer repeat one by one.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (9)
1. a kind of leakage circuit breakers of fastening inlet-outlet line, which is characterized in that the leakage circuit breakers is equipped with connecting terminal components, institute
Connecting terminal components are stated at least two fastening bolts for fastening same pole supply terminals；
Also there is the connecting terminal components terminal-framework equipped with channel, the fastening bolt to be arranged in the terminal-framework
It top and stretches in channel, to fasten the supply terminals across the channel；
The inside of the leakage circuit breakers also has the wiring board comprising current transformer, the current transformer and a leakage current
Classification adjusts circuit and is connected.
2. leakage circuit breakers according to claim 1, which is characterized in that the terminal that the connecting terminal components have
Frame is multiple, and the top of multiple terminal-frameworks all has corresponds the spiral shell being threadedly coupled at least two fastening bolt
Pit or special fastener.
3. leakage circuit breakers according to claim 1, which is characterized in that the terminal that the connecting terminal components have
Frame is one, and the top of a terminal-framework, which has to correspond at least two fastening bolt, to be threadedly coupled
Multiple threaded holes or special fastener.
4. leakage circuit breakers according to claim 1, which is characterized in that the inner wall of the lower end of the terminal-framework is equipped with
Anti-skid chequer.
5. leakage circuit breakers according to claim 1, which is characterized in that the lower end of the terminal-framework is in outwardly protrude
Arc.
6. leakage circuit breakers according to claim 1, which is characterized in that at least two fastening bolt is in from top to bottom
Vertical structure is arranged.
7. leakage circuit breakers according to claim 1, which is characterized in that the terminal-framework is metalwork bending forming.
8. according to the leakage circuit breakers described in claim 1 to 7 any one, which is characterized in that the leakage current classification is adjusted
Circuit includes that there are three the switch SA of movable contact spring, first resistor R1, second resistance R2 and 3rd resistor R3, first electricity for tool
Resistance R1, second resistance R2 and 3rd resistor R3 are sequentially connected in series, and the shell in the leakage circuit breakers is arranged in the switch SA
On body, the first resistor R1, the second resistance R2 and the 3rd resistor R3 are respectively placed on the wiring board, described
One end of first resistor R1 is connect with an output end B1 of the current transformer, the other end of the first resistor R1 with it is described
One end of second resistance R2 connects, and the other end of the second resistance R2 is connect with one end of the 3rd resistor R3, and described the
The other end A3 of three resistance R3 corresponds to third the movable contact spring K3, the first resistor R1 and the second resistance R2 of the switch SA
The first contact A1 correspond to the switch SA the first movable contact spring K1, the second resistance R2 and the 3rd resistor R3 second
Contact A2 corresponds to the second movable contact spring K2 connections of the switch SA, break J and the current transformer of the switch SA
Another ends output B2 connection.
9. according to the leakage circuit breakers described in claim 1 to 7 any one, which is characterized in that the leakage current classification is adjusted
Circuit includes that there are three the switch SA of movable contact spring, first resistor R1, second resistance R2 and 3rd resistor R3, the switch SA for tool
It is arranged on the shell of the leakage circuit breakers, the first resistor R1, the second resistance R2 and the 3rd resistor R3
Be respectively placed on the wiring board, the first resistor R1, the second resistance R2 and the 3rd resistor R3 resistance value
Incremented by successively, the break J of the switch SA is connect with the ends output B1 of the current transformer, the first resistor R1,
The common end of the second resistance R2 and 3rd resistor R3 is connect with the ends another output B2 of the current transformer, institute
The movable contact spring for stating switch SA is alternatively electrically connected with the first resistor R1, the second resistance R2 and the 3rd resistor R3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012607.5U CN207896047U (en) | 2018-01-04 | 2018-01-04 | A kind of leakage circuit breakers of fastening inlet-outlet line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012607.5U CN207896047U (en) | 2018-01-04 | 2018-01-04 | A kind of leakage circuit breakers of fastening inlet-outlet line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896047U true CN207896047U (en) | 2018-09-21 |
Family
ID=63551486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820012607.5U Expired - Fee Related CN207896047U (en) | 2018-01-04 | 2018-01-04 | A kind of leakage circuit breakers of fastening inlet-outlet line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896047U (en) |
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2018
- 2018-01-04 CN CN201820012607.5U patent/CN207896047U/en not_active Expired - Fee Related
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