CN107195510A - 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
- Publication number
- CN107195510A CN107195510A CN201710606923.5A CN201710606923A CN107195510A CN 107195510 A CN107195510 A CN 107195510A CN 201710606923 A CN201710606923 A CN 201710606923A CN 107195510 A CN107195510 A CN 107195510A
- Authority
- CN
- China
- Prior art keywords
- input
- zero sequence
- mutual inductor
- sequence current
- current mutual
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
Abstract
The present invention is provided, a kind of residual current circuit breaker of use 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, and static contact component includes zero sequence current mutual inductor, and 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 electric leakage circuit plate module output end and electrical apparatus release is connected.The breaker realizes that the modularization of breaker of plastic casing is installed, and enables the breaker using the power supply mode of rear inlet wire so that distribution convenience, flexible for installation, so as to reduce use cost using the zero sequence current mutual inductor of forward type.
Description
Technical field
The present invention relates to low-voltage circuit breaker accessory field, and in particular to a kind of use forward type zero sequence current mutual inductor it is surplus
Aftercurrent breaker.
Background technology
Aftercurrent protection circuit breaker can detect residual current, and residual current value and a reference value of setting are made to compare
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 deficiency of prior art presence, the invention provides a kind of use forward type zero sequence current mutual inductor
Residual current circuit breaker, the breaker realizes that the modularization of breaker of plastic casing is installed, using the zero sequence current mutual inductor of forward type
The breaker is enabled to cause distribution convenient using the power supply mode of rear inlet wire, it is flexible for installation, so as to reduce cost.
The technical scheme provided according to the present invention, a kind of residual current open circuit of use forward type zero sequence current mutual inductor
Device, including static contact component, breaker body and electrical apparatus release, breaker body are arranged on static contact component, and electrical apparatus release is installed
On breaker body, static contact component includes zero sequence current mutual inductor, output end and the electric leakage circuit of zero sequence current mutual inductor
The input of plate module is connected, and electric leakage circuit plate module is arranged in breaker body, and electric leakage circuit plate module output end is with taking off
Detain the input connection of device.
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 described provided with connection conductor
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 is 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 present invention are：
（1）The present invention is using the technical scheme of forward type zero sequence current mutual inductor, and on the one hand this is designed can reduce production cost,
On the other hand the power-supplying patch mode of breaker is caused to be not limited solely to the power supply mode of preceding inlet wire, after breaker can also be used
The distribution system of inlet wire, so that power-supplying patch is convenient, it is flexible for installation.
（2）The present invention installs for stand-alone assembly, easy for installation so that breaker of plastic casing being capable of modularization assembling, and 3P
With 4P highly versatiles.
Brief description of the drawings
Fig. 1 is explosive view of the invention.
Fig. 2 is the structural representation of static contact component of the present invention.
Fig. 3 is the structural representation of breaker body of the present invention.
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 are covered on 7..
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of residual current circuit breaker of use 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 is electrically connected 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 there is leak current fault, it is to avoid electric leakage circuit plate module 5 and electrical apparatus release 3 are 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 fixed on provided with connection conductor 1-4, the connection conductor 1-4 after passing through zero sequence current mutual inductor 4 on pedestal 1-1.
Respectively extremely conductive input system can be that the conductive input systems of 3P can also be the conductive input systems of 4P, highly 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 conductive input system containing 4P.It is to each extremely conductive input with reference to embodiment
System is further described through, and specific embodiment one is the conductive input systems of 4P, and specific embodiment two is the conductive input systems of 3P.
Embodiment one, the input connection component 1-3 of each extremely conductive input system includes 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 are located at the second input connection component 1-3B respectively
Both sides, the 4th input connection component 1-3N be 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 is 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 includes 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 are 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, includes lead-out terminal 2-2 per extremely conductive output system.Respectively extremely conductive output system can also may be used for the conductive output systems of 3P
Think the conductive output systems of 4P, highly versatile.Fig. 3 is the breaker body 2 of the conductive output system containing 4P.With reference to specific reality
Apply mode to be further described through each extremely conductive output system, embodiment one is the conductive output systems of 4P, and embodiment two is 3P
Conductive output system.
Embodiment one, the lead-out terminal 2-2 of each extremely conductive output system includes 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 includes 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 located at the respectively
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 is the conductive output system of C phases.
Respectively the lead-out terminal 2-2 of extremely conductive output system is all connected with the output end of electrical apparatus release 3.
The operation principle of the present invention：
The present invention is electronic trip unit, and zero sequence current mutual inductor 4 gathers the current signal of input, and zero sequence current mutual inductor 4 will
The current signal, which is exported, gives electric leakage circuit plate module 5, and electric leakage circuit plate module 5 is judged by protection circuit by comparative analysis
With the presence or absence of leak current fault, if electric leakage circuit plate module 5 analyzes and there is leak current fault in protection circuit, leak electricity circuit template die
Block 5 exports trip signal to electrical apparatus release 3, and electrical apparatus release 3 carries out tripping action immediately.
Claims (9)
1. a kind of residual current circuit breaker of use 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 electric leakage circuit plate module（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. as claimed in claim 1 using the residual current circuit breaker of forward type zero sequence current mutual inductor, 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）With input connection group
Part（1-3）, input connection component（1-3）One end and input terminal（1-2）Correspondence connection, input connection component（1-3）
The other end 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. as claimed in claim 2 using the residual current circuit breaker of forward type zero sequence current mutual inductor, 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. as claimed in claim 3 using the residual current circuit breaker of forward type zero sequence current mutual inductor, 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. as claimed in claim 2 using the residual current circuit breaker of forward type zero sequence current mutual inductor, 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. as claimed in claim 5 using the residual current circuit breaker of forward type zero sequence current mutual inductor, 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. as claimed in claim 2 using the residual current circuit breaker of forward type zero sequence current mutual inductor, it is characterised in that described
Connect conductor（1-4）For connection copper post.
8. as claimed in claim 1 using the residual current circuit breaker of forward type zero sequence current mutual inductor, 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. as claimed in claim 8 using the residual current circuit breaker of forward type zero sequence current mutual inductor, 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 |
|---|---|---|---|
| CN201710606923.5A CN107195510A (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 |
|---|---|---|---|
| CN201710606923.5A CN107195510A (en) | 2017-07-24 | 2017-07-24 | Using the residual current circuit breaker of forward type zero sequence current mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107195510A true CN107195510A (en) | 2017-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606923.5A Pending CN107195510A (en) | 2017-07-24 | 2017-07-24 | Using the residual current circuit breaker of forward type zero sequence current mutual inductor |
Country Status (1)
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| CN (1) | CN107195510A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08138517A (en) * | 1994-11-15 | 1996-05-31 | Matsushita Electric Works Ltd | Earth-leakage circuit breaker |
| CN2840318Y (en) * | 2005-11-16 | 2006-11-22 | 保定市蓝博电子电器有限公司 | Low-voltage leakage circuit breaker |
| CN102243957A (en) * | 2010-05-13 | 2011-11-16 | 上海电器股份有限公司人民电器厂 | Moulded case circuit breaker with residual current protection |
| CN102290292A (en) * | 2011-06-28 | 2011-12-21 | 常熟开关制造有限公司(原常熟开关厂） | Aftercurrent protection circuit breaker |
| CN102761173A (en) * | 2012-06-15 | 2012-10-31 | 王成楷 | Intelligent electric meter with functions of leakage remote monitoring and protection |
| CN203644547U (en) * | 2013-12-26 | 2014-06-11 | 常熟开关制造有限公司(原常熟开关厂） | Main return circuit structure for zero sequence current mutual inductor of moulded case circuit breaker |
| CN206976257U (en) * | 2017-07-24 | 2018-02-06 | 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 CN201710606923.5A patent/CN107195510A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08138517A (en) * | 1994-11-15 | 1996-05-31 | Matsushita Electric Works Ltd | Earth-leakage circuit breaker |
| CN2840318Y (en) * | 2005-11-16 | 2006-11-22 | 保定市蓝博电子电器有限公司 | Low-voltage leakage circuit breaker |
| CN102243957A (en) * | 2010-05-13 | 2011-11-16 | 上海电器股份有限公司人民电器厂 | Moulded case circuit breaker with residual current protection |
| CN102290292A (en) * | 2011-06-28 | 2011-12-21 | 常熟开关制造有限公司(原常熟开关厂） | Aftercurrent protection circuit breaker |
| CN102761173A (en) * | 2012-06-15 | 2012-10-31 | 王成楷 | Intelligent electric meter with functions of leakage remote monitoring and protection |
| CN203644547U (en) * | 2013-12-26 | 2014-06-11 | 常熟开关制造有限公司(原常熟开关厂） | Main return circuit structure for zero sequence current mutual inductor of moulded case circuit breaker |
| CN206976257U (en) * | 2017-07-24 | 2018-02-06 | 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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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |
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| RJ01 | Rejection of invention patent application after publication |