CN102543610B - Earth leakage circuit breaker - Google Patents
Earth leakage circuit breaker Download PDFInfo
- Publication number
- CN102543610B CN102543610B CN201210019254.9A CN201210019254A CN102543610B CN 102543610 B CN102543610 B CN 102543610B CN 201210019254 A CN201210019254 A CN 201210019254A CN 102543610 B CN102543610 B CN 102543610B
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- China
- Prior art keywords
- cap
- wire
- sheet metal
- mounting shell
- circuit breaker
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- 239000002184 metal Substances 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 101100074336 Xenopus laevis ripply2.1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
本发明涉及一种漏电断路器。主要解决了现有漏电断路器壳体与壳盖配合安装时存在不便的问题。该断路器的检测按钮设于安装壳上，所述安装壳上并位于检测按钮的下方固定有金属片，该金属片的一端与检测导线电连接，另一端与检测按钮的下端相接触，所述第二壳盖设有与零线接线端子电连接的连接导线，所述连接导线位于金属片的下方，所述检测按钮与金属片相配合构成金属片与连接导线接触或断开。由于漏电断路器漏电检测装置的连接方式，是通过壳体与壳盖的卡合方式接通漏电检测电路实现检测的功能，安装方便，而且连接的稳定性得到有效的提高。
The invention relates to a leakage circuit breaker. The utility model mainly solves the problem of inconvenience when the housing and the housing cover of the existing earth leakage circuit breaker are matched and installed. The detection button of the circuit breaker is arranged on the installation case, and a metal sheet is fixed on the installation case and below the detection button. One end of the metal sheet is electrically connected to the detection wire, and the other end is in contact with the lower end of the detection button. The second shell cover is provided with a connecting wire electrically connected to the zero line terminal, the connecting wire is located under the metal sheet, and the detection button cooperates with the metal sheet to make the metal sheet contact or disconnect the connecting wire. Since the connection mode of the leakage detection device of the leakage circuit breaker is to connect the leakage detection circuit to realize the detection function through the engagement mode of the shell and the shell cover, the installation is convenient, and the stability of the connection is effectively improved.
Description
Technical field
The present invention relates to a kind of residual current circuit breaker.
Background technology
The principle of residual current circuit breaker is to induce electric current to being passed to tripping mechanism with inductor, makes its action, thus power cutoff.The zero line of circuit and live wire pass simultaneously from instrument transformer, because one is positive one negative, cancel each other, and summation is zero, and at this moment instrument transformer just can not sense electric current, and in the time of single-phase earth leakage, summation is just non-vanishing, and instrument transformer just can sense electric current.Residual current circuit breaker determines that by detection of electrical leakage whether earth leakage protective is effective; by Pen-down detection button; make through the electric current sum total in zero-sequence transformer non-vanishing; thereby in zero-sequence transformer, produce induced current; be passed to coil by signal conductor and produce magnetic field; iron core promotes moving contact and the quick disjunction of fixed contact, thereby realizes the object of protective circuit safety.
At present, the residual current circuit breaker of selling on market, detection of electrical leakage wire on housing and test button are to be located in different housings, detection of electrical leakage wire is located on mounting shell and through zero-sequence transformer, and test button is to be positioned on cap, when both coordinate, detection of electrical leakage wire needs ledger line just can make both to connect, owing to being connected with wire between housing and cap, this makes troubles to installation.
Summary of the invention
In order to overcome deficiency and the defect in background technology, the invention provides a kind of residual current circuit breaker, solved existing residual current circuit breaker housing and coordinated with cap while installation and have inconvenient problem, and detection of electrical leakage wire is gone back the shortcoming that existence and stability is low after being connected with cap.
Technical scheme of the present invention is: a kind of residual current circuit breaker, comprise housing, described housing is combined by the first cap and the second cap that are positioned at the mounting shell at middle part and be positioned at both sides, described housing is provided with zero-sequence transformer and test button, coil, the described mounting shell that is positioned at the first cap side is provided with hot terminal, the described mounting shell that is positioned at the second cap side is provided with zero line binding post, described mounting shell is provided with through wires hole, described hot terminal is connected by conducting copper with coil, described conducting copper is through zero-sequence transformer, in described through wires hole, pass and detect wire, one end of described detection wire is electrically connected with conducting copper, the other end and the opposite side that is positioned at mounting shell through through wires hole, described test button is located on the mounting shell of the second cap side, on described mounting shell and the below that is positioned at test button is fixed with sheet metal, one end of this sheet metal is electrically connected with detection wire, the other end contacts with the lower end of test button, described the second cap is provided with the wire that is connected with the electrical connection of zero line binding post, described connection wire is positioned at the below of sheet metal, described test button matches and forms sheet metal and be connected wire contact or disconnect with sheet metal.
Described mounting shell is provided with the first fixed leg, and described the first fixed leg is provided with draw-in groove, and described sheet metal is located in draw-in groove.
Described sheet metal is combined by barb part and straight portion, and barb part one edge is located in draw-in groove, and another side is connected with detection wire along the outer rim of walking around the first fixed leg, and straight portion is stretched out and contact with the lower end of test button.
The upper end of described the second cap and the below that is positioned at sheet metal are provided with the second fixed leg, and described the second fixed leg upside is provided with translot, and the end face that is positioned at the second fixed leg is provided with opening, connect wire and are fixed in translot and bending is extended through Open Side Down.
Compared with prior art, the present invention has following beneficial effect: due to the connected mode of residual current circuit breaker earth detector, to connect with the mode that engages of cap the function that electric-leakage detection circuit realization detects by housing, easy for installation, and also the stability connecting is effectively improved.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation that the present invention removes the first cap.
Fig. 3 is the internal structure schematic diagram of the present invention while removing local the second cap.
Fig. 4 is the structural representation on the present invention's the second cap.
Fig. 5 is A place enlarged drawing in Fig. 3 of the present invention.
Fig. 6 is the structural representation of figure the second fixed leg of the present invention.
In figure, mounting shell 1, the first cap 2, the second caps 3, zero-sequence transformer 4, test button 5, coil 6, hot terminal 7, zero line binding post 8, through wires hole 9, detects wire 10, sheet metal 11, connects wire 12, the first fixed legs 13, draw-in groove 14, barb part 15, straight portion 16, the second fixed leg 17, translot 18, opening 19.
Embodiment
For accompanying drawing, embodiments of the invention are described further below:
Shown in figure, this residual current circuit breaker, comprise housing, described housing is combined by the first cap 2 and the second cap 3 that are positioned at the mounting shell 1 at middle part and be positioned at both sides, described housing is provided with zero-sequence transformer 4 and test button 5, coil 6, the described mounting shell 1 that is positioned at the first cap 2 sides is provided with hot terminal 7, the described mounting shell 1 that is positioned at the second cap 3 sides is provided with zero line binding post 8, described mounting shell 1 is provided with through wires hole 9, described hot terminal 7 is connected by conducting copper with coil 6, described conducting copper is through zero-sequence transformer 4, in described through wires hole 9, pass and detect wire 10, one end of described detection wire 10 is electrically connected with conducting copper, the other end and the opposite side that is positioned at mounting shell 1 through through wires hole 9, described test button 5 is located on the mounting shell 1 of the second cap 3 sides, on described the mounting shell 1 and below that is positioned at test button 5 is fixed with sheet metal 11, one end of this sheet metal 11 is electrically connected with detection wire 10, the other end contacts with the lower end of test button 5, described the second cap 3 be provided be electrically connected with zero line binding post 7 be connected wire 12, after the second cap 3 fastens with mounting shell 1, this connection wire 12 is positioned at the below of sheet metal 11, described test button 5 and sheet metal 11 match and form sheet metal 11 and be connected wire 12 and contact or disconnect.According to such scheme, due to the connected mode of residual current circuit breaker earth detector, be to connect with the mode that engages of cap the function that electric-leakage detection circuit realization detects by housing, easy for installation, and also the stability connecting is effectively improved.
As shown in the figure, described mounting shell 1 is provided with the first fixed leg 13, and described the first fixed leg 13 is provided with draw-in groove 14, and described sheet metal 11 is located in draw-in groove 14.The first fixed leg 13 is located at the sidepiece of through wires hole 9, the draw-in groove 14 of certain depth is set in the centre position of the first fixed leg 13, described sheet metal 11 is combined by barb part 15 and straight portion 16, barb part 15 1 edges are located in draw-in groove 14, another side is connected with detection wire 10 along the outer rim of walking around the first fixed leg 13, and straight portion 16 is stretched out and contact with the lower end of test button 5, so that while detection, Pen-down detection button 5, pressed metal sheet 11 with on the second fixed leg 17 be connected wire 12 contact realize energising.Easy to use, simple.
As shown in the figure, the upper end of described the second cap 3 and the below that is positioned at sheet metal 11 are provided with the second fixed leg 17, described the second fixed leg 17 upsides are provided with translot 18, and the end face that is positioned at the second fixed leg 17 is provided with opening 19, connect wire 12 and are fixed on the interior also bending of translot 18 process opening 19 to downward-extension.Outer rim upper side at the second fixed leg 17 is provided with translot 18, be provided with the opening 19 of certain depth at the end face of the second fixed leg 17, the lower portion that connects wire 12 is fixed in translot 18, upper portion protrudes the outward flange of the second fixed leg 17, connects wire 12 and is fixed on the interior also bending of translot 18 process opening 19 to downward-extension.After the second cap 3 matches with mounting shell 1 and installs, the second fixed leg 17 is positioned at the below of sheet metal 11, when detection, only need press test button 8, the straight portion 16 of drive sheet metal 11 contacts to switch on to realizing with the upper portion that is connected wire 12 on the second fixed leg 17 and detects.
Embodiment should not be considered as the restriction to invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.
Claims (4)
1. a residual current circuit breaker, comprise housing, described housing is combined by the first cap (2) and the second cap (3) that are positioned at the mounting shell (1) at middle part and be positioned at both sides, described housing is provided with zero-sequence transformer (4) and test button (5), coil (6), the described mounting shell (1) that is positioned at the first cap (2) side is provided with hot terminal (7), the described mounting shell (1) that is positioned at the second cap (3) side is provided with zero line binding post (8), described mounting shell (1) is provided with through wires hole (9), described hot terminal (7) is connected by conducting copper with coil (6), described conducting copper is through zero-sequence transformer (4), in described through wires hole (9), pass and detect wire (10), one end of described detection wire (10) is electrically connected with conducting copper, the other end and the opposite side that is positioned at mounting shell (1) through through wires hole (9), it is characterized in that: described test button (5) is located on the mounting shell (1) of the second cap (3) side, described mounting shell (1) is gone up and the below that is positioned at test button (5) is fixed with sheet metal (11), one end of this sheet metal (11) is electrically connected with detection wire (10), the other end contacts with the lower end of test button (5), described the second cap (3) be provided with zero line binding post (7) electrical connection be connected wire (12), described connection wire (12) is positioned at the below of sheet metal (11), described test button (5) matches and forms sheet metal (11) and be connected wire (12) contact or disconnect with sheet metal (11).
2. residual current circuit breaker according to claim 1, is characterized in that described mounting shell (1) is provided with the first fixed leg (13), and described the first fixed leg (13) is provided with draw-in groove (14), and described sheet metal (11) is located in draw-in groove (14).
3. residual current circuit breaker according to claim 2, it is characterized in that described sheet metal (11) is combined by barb part (15) and straight portion (16), barb part (15) one edges are located in draw-in groove (14), another side is connected with detection wire (10) along the outer rim of walking around the first fixed leg (13), and straight portion (16) is stretched out and contact with the lower end of test button (5).
4. according to the residual current circuit breaker described in claim 1 or 2 or 3, the below that it is characterized in that the upper end of described the second cap (3) and be positioned at sheet metal (11) is provided with the second fixed leg (17), described the second fixed leg (17) upside is provided with translot (18), the end face that is positioned at the second fixed leg (17) is provided with opening (19), connects wire (12) and is fixed on the interior also bending process opening (19) of translot (18) to downward-extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210019254.9A CN102543610B (en) | 2012-01-20 | 2012-01-20 | Earth leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210019254.9A CN102543610B (en) | 2012-01-20 | 2012-01-20 | Earth leakage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102543610A CN102543610A (en) | 2012-07-04 |
| CN102543610B true CN102543610B (en) | 2014-07-02 |
Family
ID=46350214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210019254.9A Expired - Fee Related CN102543610B (en) | 2012-01-20 | 2012-01-20 | Earth leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102543610B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938387Y (en) * | 2006-08-29 | 2007-08-22 | 浙江天正电气股份有限公司 | Leakage circuit breaker |
| CN201171031Y (en) * | 2008-02-13 | 2008-12-24 | 浙江正泰建筑电器有限公司 | Minitype fireproofing circuit breaker |
| CN201708114U (en) * | 2010-06-09 | 2011-01-12 | 黄国臣 | Miniature leakage circuit breaker with high breaking capacity |
| CN201820720U (en) * | 2010-10-11 | 2011-05-04 | 大江控股集团有限公司 | Residual current circuit breaker |
| CN102142339A (en) * | 2011-03-02 | 2011-08-03 | 许胜� | Miniature circuit breaker with current leakage protector |
| CN202423188U (en) * | 2012-01-20 | 2012-09-05 | 乐清市国隆电气有限公司 | Electric leakage circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3387377B2 (en) * | 1997-08-26 | 2003-03-17 | 松下電工株式会社 | Circuit breaker |
-
2012
- 2012-01-20 CN CN201210019254.9A patent/CN102543610B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938387Y (en) * | 2006-08-29 | 2007-08-22 | 浙江天正电气股份有限公司 | Leakage circuit breaker |
| CN201171031Y (en) * | 2008-02-13 | 2008-12-24 | 浙江正泰建筑电器有限公司 | Minitype fireproofing circuit breaker |
| CN201708114U (en) * | 2010-06-09 | 2011-01-12 | 黄国臣 | Miniature leakage circuit breaker with high breaking capacity |
| CN201820720U (en) * | 2010-10-11 | 2011-05-04 | 大江控股集团有限公司 | Residual current circuit breaker |
| CN102142339A (en) * | 2011-03-02 | 2011-08-03 | 许胜� | Miniature circuit breaker with current leakage protector |
| CN202423188U (en) * | 2012-01-20 | 2012-09-05 | 乐清市国隆电气有限公司 | Electric leakage circuit breaker |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平H11-67051A 1999.03.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102543610A (en) | 2012-07-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 |