CN206976257U - Using the residual current circuit breaker of forward type zero sequence current mutual inductor - Google Patents
Using the residual current circuit breaker of forward type zero sequence current mutual inductor Download PDFInfo
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- CN206976257U CN206976257U CN201720900728.9U CN201720900728U CN206976257U CN 206976257 U CN206976257 U CN 206976257U CN 201720900728 U CN201720900728 U CN 201720900728U CN 206976257 U CN206976257 U CN 206976257U
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Abstract
The utility model provides, a kind of residual current circuit breaker using forward type zero sequence current mutual inductor, including static contact component, breaker body and electrical apparatus release, breaker body is arranged on static contact component, electrical apparatus release is arranged on breaker body, static contact component includes zero sequence current mutual inductor, the output end of zero sequence current mutual inductor is connected with the input for circuit plate module of leaking electricity, circuit plate module of leaking electricity is arranged in breaker body, and the input of circuit plate module output end of leaking electricity and electrical apparatus release connects.The breaker realizes the modularization installation of breaker of plastic casing, enables the breaker make it that distribution is convenient using the power supply mode of rear inlet wire using the zero sequence current mutual inductor of forward type, flexible for installation, so as to reduce use cost.
Description
Technical field
It the utility model is related to low-voltage circuit breaker accessories field, and in particular to one kind uses forward type zero sequence current mutual inductor
Residual current circuit breaker.
Background technology
Aftercurrent protection circuit breaker can detect residual current, and residual current value is made into ratio with a reference value set
Compared with when residual current value exceedes a reference value set, driving leakage tripping device acts the open circuit for make it that main circuit contact disconnects
Device.The Aftercurrent protection circuit breaker of electronic type of the prior art usually contains zero sequence current mutual inductor, but its zero sequence is electric
Current transformer is typically mounted between the thermal element of breaker and lead-out terminal or in rearmounted electric leakage module, Ci Zhongjie
Structure can increase the size of breaker, increase the production cost of breaker, it is often more important that the power supply of such a structure limiting circuit breaker
Wiring mode so that breaker can not use the power supply mode of rear inlet wire in distribution line.
The content of the invention
In order to solve the shortcomings of the prior art, the utility model provides one kind and uses forward type zero sequence current mutual inductance
The residual current circuit breaker of device, the breaker realizes the modularization installation of breaker of plastic casing, mutual using the zero-sequence current of forward type
Sensor enables the breaker make it that distribution is convenient using the power supply mode of rear inlet wire, flexible for installation, so as to reduce cost.
According to technical scheme provided by the utility model, a kind of residual current using forward type zero sequence current mutual inductor breaks
Road device, including static contact component, breaker body and electrical apparatus release, breaker body are arranged on static contact component, electrical apparatus release peace
On breaker body, static contact component includes zero sequence current mutual inductor, the output end and drain wire of zero sequence current mutual inductor
The input connection of road plate module, electric leakage circuit plate module are arranged in breaker body, electric leakage circuit plate module output end with
The input connection of electrical apparatus release.
Further, static contact component also includes pedestal and each extremely conductive input system installed in pedestal one end；Zero sequence
Current transformer is arranged on the other end of pedestal, includes input terminal and input connection component per extremely conductive input system, defeated
Enter to hold one end connection corresponding with input terminal of connection component, the other end of input connection component is provided with connection conductor, described
Connection conductor is fixed on pedestal after passing through zero sequence current mutual inductor.
Further, the input connection component of each extremely conductive input system include first input end connection component,
Second input connection component and the 3rd input connection component, first input end connection component and the 3rd input connection component
It is located at the both sides of the second input connection component respectively.
Further, the input connection component of each extremely conductive input system also includes the 4th input connection group
Part, the 4th input connection component are located at the opposite side of first input end connection component.
Further, the input terminal of each extremely conductive input system includes first input end, the second input terminal
With the 3rd input terminal, the first input end and the 3rd input terminal are respectively positioned at the both sides of the second input terminal.
Further, the input terminal of each extremely conductive input system also includes the 4th input terminal, and the described 4th is defeated
Enter the opposite side that terminal is located at first input end.
Further, the connection conductor is connection copper post.
Further, the breaker body includes housing and is arranged on each extremely conductive output system of shell one end, often
Extremely conductive output system includes lead-out terminal.
Further, respectively the lead-out terminal of extremely conductive output system is all connected with the output end of electrical apparatus release.
The beneficial effects of the utility model are：
（1）The utility model uses the technical scheme of forward type zero sequence current mutual inductor, on the one hand this design can reduce
Production cost, the power-supplying patch mode of breaker is on the other hand caused to be not limited solely to the power supply mode of preceding inlet wire, breaker
Also the distribution system of rear inlet wire can be used, so that power-supplying patch is convenient, it is flexible for installation.
（2）The utility model be stand-alone assembly installation, it is easy for installation so that breaker of plastic casing can modularization assembling, and
And 3P and 4P are versatile.
Brief description of the drawings
Fig. 1 is explosive view of the present utility model.
Fig. 2 is the structural representation of the utility model static contact component.
Fig. 3 is the structural representation of the utility model breaker body.
1. static contact component, 1-1. pedestals, 1-2. input terminals, 1-2A. first input ends, the inputs of 1-2B. second
Son, the input terminals of 1-2C. the 3rd, the input terminals of 1-2N. the 4th, 1-3. input connection components, 1-3A first input ends connect
Connected components, 1-3B. the second input connection components, the input connection components of 1-3C the 3rd, the connection of the inputs of 1-3N. the 4th
Component, 1-4. connection conductors, 2. breaker bodies, 2-1. housings, 2-2. lead-out terminals, 2-2A. first lead-out terminals, 2-
The lead-out terminals of 2B. second, the lead-out terminals of 2-2C. the 3rd, the lead-out terminals of 2-2N. the 4th, 3. electrical apparatus releases, 4. zero-sequence currents are mutual
Sensor, 5. electric leakage circuit plate modules, 6. middle covers, is covered on 7..
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of residual current circuit breaker using forward type zero sequence current mutual inductor, including static contact component
1st, breaker body 2 and electrical apparatus release 3, breaker body 2 are arranged on static contact component 1, and electrical apparatus release 3 is arranged on breaker body
On 2, static contact component 1 includes zero sequence current mutual inductor 4, output end and the electric leakage circuit plate module 5 of zero sequence current mutual inductor 4
Input is electrically connected, and electric leakage circuit plate module 5 is arranged in breaker body 2, the output end of electric leakage circuit plate module 5 and dropout
The input electrical connection of device 3, electrical apparatus release 3 electrically connect with breaker body 2.Breaker body 2 is arranged in middle cover 6, and middle cover 6 is pacified
On breaker body 2, lid 7 is installed on middle cover 6.It is designed so that the tie breaker is able to modularization, can
Facilitate installation and the performance detection of tie breaker, not only facilitate power-supplying patch mode by zero sequence current mutual inductor is preposition so that
Wiring mode is more flexible, and it can play a protective role to the tie breaker, when detecting the line in protection circuit
Road or equipment can carry out tripping action in time when leak current fault be present, avoid electric leakage circuit plate module 5 and electrical apparatus release 3 from being burnt
Ruin.
As shown in Fig. 2 static contact component 1 includes pedestal 1-1, each extremely conductive input system installed in pedestal 1-1 one end
With the zero sequence current mutual inductor 4 installed in the pedestal 1-1 other ends, include input terminal 1-2 and input per extremely conductive input system
Hold connection component 1-3, input connection component 1-3 one end connection corresponding with input terminal 1-2, input connection component 1-3
The other end be provided with connection conductor 1-4, the connection conductor 1-4 is fixed on pedestal 1-1 after passing through zero sequence current mutual inductor 4.
Each extremely conductive input system can be that 3P conductions input system can also be 4P conduction input systems, versatile.
When each extremely conductive input system is 3P conduction input systems, static contact component 1, breaker body 2 and electrical apparatus release 3 are all 3P zero
Part；When each extremely conductive input system is 4P conduction input systems, static contact component 1, breaker body 2 and electrical apparatus release 3 are all
4P parts.Fig. 2 is the contact assembly 1 of the input system of conduction containing 4P.With reference to embodiment to each extremely conductive input system
System is further described through, and specific embodiment one is 4P conduction input systems, and specific embodiment two is 3P conduction input systems.
Embodiment one, the input connection component 1-3 of each extremely conductive input system include first input end connection group
Part 1-3A, the second input connection component 1-3B, the 3rd input connection component 1-3C and the 4th input connection component 1-3N,
First input end connection component 1-3A and the 3rd input connection component 1-3C is located at the second input connection component 1-3B respectively
Both sides, the 4th input connection component 1-3N is located at first input end connection component 1-3A opposite side.Each pole
The input terminal 1-2 of conductive input system includes first input end 1-2A, the second input terminal 1-2B, the 3rd input terminal 1-
2C and the 4th input terminal 1-2N, the first input end 1-2A and the 3rd input terminal 1-2C are located at the second input respectively
Sub- 1-2B both sides, the 4th input terminal 1-2N are located at first input end 1-2A opposite side.First input end 1-2A with
First input end connection component 1-3A one end connects to form the conductive input system of A phases, and the second input terminal 1-2B and second is defeated
Enter to hold connection component 1-3B one end to connect to form the conductive input system of B phases, the 3rd input terminal 1-2C and the 3rd input connect
Connected components 1-3C one end connects to form the conductive input system of C phases, the 4th input terminal 1-2N and the 4th input connection component
1-3N connects to form the conductive input system of N phases.
Embodiment two, the input connection component 1-3 of each extremely conductive input system include first input end connection group
Part 1-3A, the second input connection component 1-3B and the 3rd input connection component 1-3C, first input end connection component 1-3A
It is located at the second input connection component 1-3B both sides respectively with the 3rd input connection component 1-3C.Each extremely conductive input
The input terminal 1-2 of system includes first input end 1-2A, the second input terminal 1-2B and the 3rd input terminal 1-2C, described
First input end 1-2A and the 3rd input terminal 1-2C is located at the second input terminal 1-2B both sides respectively.First input end
1-2A is connected to form the conductive input system of A phases with first input end connection component 1-3A one end, the second input terminal 1-2B with
Second input connection component 1-3B one end connects to form the conductive input system of B phases, and the 3rd input terminal 1-2C and the 3rd is defeated
Enter to hold connection component 1-3C one end to connect to form the conductive input system of C phases.
As shown in figure 3, the breaker body 2 includes housing 2-1 and is arranged on each extremely conductive output of housing 2-1 one end
System, include lead-out terminal 2-2 per extremely conductive output system.Each extremely conductive output system can be that 3P conduction output systems also may be used
Think 4P conduction output systems, it is versatile.Fig. 3 is the breaker body 2 of the output system of conduction containing 4P.With reference to specific reality
Apply mode to be further described through each extremely conductive output system, embodiment one is 4P conduction output systems, and embodiment two is 3P
Conductive output system.
Embodiment one, the lead-out terminal 2-2 of each extremely conductive output system include first lead-out terminal 2-2A, second defeated
Go out terminal 2-2B, the 3rd lead-out terminal 2-2C and the 4th lead-out terminal 2-2N, the outputs of the first lead-out terminal 2-2A and the 3rd
Terminal 2-2C is located at the second lead-out terminal 2-2B both sides respectively, and the 4th lead-out terminal 2-2N is located at first lead-out terminal 2-2A's
Opposite side.First lead-out terminal 2-2A is the conductive output system of A phases, and the second lead-out terminal 2-2B is the conductive output system of B phases, the
Three lead-out terminal 2-2C are the conductive output system of C phases, and the 4th lead-out terminal 2-2N is the conductive output system of N phases.
Embodiment two, the lead-out terminal 2-2 of each extremely conductive output system include first lead-out terminal 2-2A, second defeated
Go out terminal 2-2B and the 3rd lead-out terminal 2-2C, the first lead-out terminal 2-2A and the 3rd lead-out terminal 2-2C are respectively positioned at the
Two lead-out terminal 2-2B both sides.First lead-out terminal 2-2A is the conductive output system of A phases, and the second lead-out terminal 2-2B is B phases
Conductive output system, the 3rd lead-out terminal 2-2C are the conductive output system of C phases.
The lead-out terminal 2-2 of each extremely conductive output system is all connected with the output end of electrical apparatus release 3.
Operation principle of the present utility model：
The utility model is electronic trip unit, and zero sequence current mutual inductor 4 gathers the current signal of input, and zero-sequence current is mutual
Sensor 4, which exports the current signal, gives electric leakage circuit plate module 5, and electric leakage circuit plate module 5 is judged to be protected by comparative analysis
It whether there is leak current fault in protection circuit, if electric leakage circuit plate module 5 analyzes and leak current fault in protection circuit be present, leak electricity
Circuit plate module 5 exports trip signal and carries out tripping action immediately to electrical apparatus release 3, electrical apparatus release 3.
Claims (9)
1. a kind of residual current circuit breaker using forward type zero sequence current mutual inductor, including static contact component（1）, breaker sheet
Body（2）And electrical apparatus release（3）, breaker body（2）Installed in static contact component（1）On, electrical apparatus release（3）Installed in breaker body
（2）On, it is characterised in that static contact component（1）Including zero sequence current mutual inductor（4）, zero sequence current mutual inductor（4）Output end
With circuit plate module of leaking electricity（5）Input connection, leak electricity circuit plate module（5）Installed in breaker body（2）In, drain wire
Road plate module（5）Output end and electrical apparatus release（3）Input connection.
2. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 1, it is characterised in that stationary contact
Head assembly（1）Also include pedestal（1-1）With installed in pedestal（1-1）Each extremely conductive input system of one end；Zero sequence current mutual inductance
Device（4）Installed in pedestal（1-1）The other end, include input terminal per extremely conductive input system（1-2）Group is connected with input
Part（1-3）, input connection component（1-3）One end and input terminal（1-2）Corresponding connection, input connection component（1-3）
The other end be provided with connection conductor（1-4）, the connection conductor（1-4）Through zero sequence current mutual inductor（4）After be fixed on pedestal
（1-1）On.
3. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 2, it is characterised in that described
The input connection component of each extremely conductive input system（1-3）Including first input end connection component（1-3A）, the second input
Connection component（1-3B）With the 3rd input connection component（1-3C）, first input end connection component（1-3A）With the 3rd input
Connection component（1-3C）It is located at the second input connection component respectively（1-3B）Both sides.
4. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 3, it is characterised in that described
The input connection component of each extremely conductive input system（1-3）Also include the 4th input connection component（1-3N）, the described 4th
Input connection component（1-3N）Positioned at first input end connection component（1-3A）Opposite side.
5. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 2, it is characterised in that described
The input terminal of each extremely conductive input system（1-2）Including first input end（1-2A）, the second input terminal（1-2B）With
Three input terminals（1-2C）, the first input end（1-2A）With the 3rd input terminal（1-2C）It is located at the second input respectively
Son（1-2B）Both sides.
6. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 5, it is characterised in that described
The input terminal of each extremely conductive input system（1-2）Also include the 4th input terminal（1-2N）, the 4th input terminal（1-
2N）Positioned at first input end（1-2A）Opposite side.
7. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 2, it is characterised in that described
Connect conductor（1-4）To connect copper post.
8. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 1, it is characterised in that described
Breaker body（2）Including housing（2-1）Be arranged on housing（2-1）Each extremely conductive output system of one end, per extremely conductive defeated
Going out system includes lead-out terminal（2-2）.
9. the residual current circuit breaker of forward type zero sequence current mutual inductor is used as claimed in claim 8, it is characterised in that each pole
The lead-out terminal of conductive output system（2-2）It is all connected with electrical apparatus release（3）Output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720900728.9U CN206976257U (en) | 2017-07-24 | 2017-07-24 | Using the residual current circuit breaker of forward type zero sequence current mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720900728.9U CN206976257U (en) | 2017-07-24 | 2017-07-24 | Using the residual current circuit breaker of forward type zero sequence current mutual inductor |
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| Publication Number | Publication Date |
|---|---|
| CN206976257U true CN206976257U (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720900728.9U Active CN206976257U (en) | 2017-07-24 | 2017-07-24 | Using the residual current circuit breaker of forward type zero sequence current mutual inductor |
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| CN (1) | CN206976257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195510A (en) * | 2017-07-24 | 2017-09-22 | 罗格朗低压电器（无锡）有限公司 | Using the residual current circuit breaker of forward type zero sequence current mutual inductor |
-
2017
- 2017-07-24 CN CN201720900728.9U patent/CN206976257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195510A (en) * | 2017-07-24 | 2017-09-22 | 罗格朗低压电器（无锡）有限公司 | Using the residual current circuit breaker of forward type zero sequence current mutual inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xue Jianhu Inventor after: Yang Taofeng Inventor after: Wu Hao Inventor after: Shi Linkang Inventor after: Gao Jie Inventor before: Xue Jianhu |
|
| CB03 | Change of inventor or designer information |