CN202423188U - Electric leakage circuit breaker - Google Patents
Electric leakage circuit breaker Download PDFInfo
- Publication number
- CN202423188U CN202423188U CN2012200275602U CN201220027560U CN202423188U CN 202423188 U CN202423188 U CN 202423188U CN 2012200275602 U CN2012200275602 U CN 2012200275602U CN 201220027560 U CN201220027560 U CN 201220027560U CN 202423188 U CN202423188 U CN 202423188U
- Authority
- CN
- China
- Prior art keywords
- cap
- sheet metal
- mounting shell
- lead
- test button
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to an electric leakage circuit breaker, which mainly solves the problem of inconvenience during the matching installation of a case cover and a casing of the existing electric leakage circuit breaker. A detecting button of the circuit breaker is arranged on an installing case, a metal sheet is fixedly arranged on the installing case and under the detecting button, one end of the metal sheet is electrically connected with a detecting conducting wire, the other end of the metal sheet is in contact with the lower end of the detecting button, a second case cover is provided with a connection conducing wire electrically connected with a zero wire wiring terminal, the connection conducting wire is positioned under the metal sheet, and the detecting button and the metal sheet are matched to form the contact or the disconnection state of the metal sheet and the connection conducting wire. In a connecting mode of an electric leakage detecting device of the electric leakage circuit breaker, an electric leakage detecting circuit is conducted in a casing and case cover clamping mode for realizing the detection function, so the installation is convenient, and in addition, the connection stability is effectively improved.
Description
Technical field
The utility model relates to a kind of RCCB.
Background technology
The principle of RCCB is to induce electric current with inductor to be passed to tripping mechanism, makes its action, thus power cutoff.The zero line and the live wire of circuit pass from instrument transformer simultaneously, because one positive one is negative, cancel each other, and summation is zero, and at this moment instrument transformer just can not be sensed electric current, and when single-phase electric leakage, summation is just non-vanishing, and instrument transformer just can be sensed electric current.RCCB confirms through detection of electrical leakage whether earth leakage protective is effective; Through pressing test button; Make that the electric current sum total of passing in the ZCT is non-vanishing, thereby on ZCT, produce induced current, be passed to coil through signal conductor and produce magnetic field; Iron core promotes moving contact and the quick disjunction of fixed contact, thereby realizes the protective circuit purpose of safety.
At present, the RCCB of selling on the market, detection of electrical leakage lead on the housing and test button are to be located on the different housings; The detection of electrical leakage lead is located on the mounting shell and is passed ZCT; And test button is to be positioned on the cap, and when both cooperated, the detection of electrical leakage lead needed ledger line could make both to connect; Because be connected with lead between housing and the cap, this makes troubles to installation.
Summary of the invention
In order to overcome deficiency and the defective in the background technology; The utility model provides a kind of RCCB; Solve existing RCCB housing and cooperated the problem that has inconvenience when installing with cap, and detection of electrical leakage lead and the stable low shortcoming of existence also after cap is connected.
The technical scheme of the utility model is: a kind of RCCB, comprise housing, and described housing is combined by mounting shell that is positioned at the middle part and first cap and second cap that are positioned at both sides; Said housing is provided with ZCT and test button, coil; The said mounting shell that is positioned at the first cap side is provided with hot terminal, and the said mounting shell that is positioned at the second cap side is provided with the zero line binding post, and said mounting shell is provided with through wires hole; Said hot terminal is connected through conducting copper with coil; Said conducting copper passes ZCT, passes the detection lead in the described through wires hole, and an end of said detection lead is electrically connected with conducting copper; The other end with pass the opposite side that through wires hole is positioned at mounting shell; Said test button is located on the mounting shell of the second cap side, and on the said mounting shell and the below that is positioned at test button is fixed with sheet metal, an end of this sheet metal with detect lead and be electrically connected; The other end contacts with the lower end of test button; Said second cap is provided with the lead that is connected with the electrical connection of zero line binding post, and said connection lead is positioned at the below of sheet metal, and said test button matches with sheet metal and constitutes sheet metal and be connected lead contact or disconnection.
Said mounting shell is provided with first fixed leg, and said first fixed leg is provided with draw-in groove, and said sheet metal is located in the draw-in groove.
Said sheet metal is combined by the straight part of barb part peace, and along being located in the draw-in groove, another side is connected with the detection lead along walking around the first securing outer rim barb part on one side, and straight portion is stretched out and contact with the lower end of test button.
The upper end of said second cap and the below that is positioned at sheet metal are provided with second fixed leg, and the said second fixed leg upside is provided with translot, and the end face that is positioned at second fixed leg is provided with opening, connect lead fixed in translot and bending extend through Open Side Down.
Compared with prior art; The utlity model has following beneficial effect: because the connected mode of RCCB earth detector; Be to connect the function that electric-leakage detection circuit is realized detection with the mode that engages of cap through housing, easy for installation, and also connection stability is effectively improved.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 removes the structural representation of first cap for the utility model.
Internal structure sketch map when Fig. 3 removes local second cap for the utility model.
Fig. 4 is the structural representation on the utility model second cap.
Fig. 5 is an A place enlarged drawing among the utility model Fig. 3.
Fig. 6 is the structural representation of the utility model figure second fixed leg.
Among the figure, mounting shell 1, the first cap 2, the second caps 3, ZCT 4; Test button 5, coil 6, hot terminal 7, zero line binding post 8, through wires hole 9; Detect lead 10, sheet metal 11 connects lead 12, the first fixed legs 13, draw-in groove 14; Barb part 15, straight portion 16, the second fixed legs 17, translot 18, opening 19.
Embodiment
Be described further to the embodiment of accompanying drawing below the utility model:
Shown in figure, this RCCB comprises housing; Described housing is combined by mounting shell 1 that is positioned at the middle part and first cap 2 and second cap 3 that are positioned at both sides, and said housing is provided with ZCT 4 and test button 5, coil 6, and the said mounting shell 1 that is positioned at first cap, 2 sides is provided with hot terminal sub 7; The said mounting shell 1 that is positioned at second cap, 3 sides is provided with zero line binding post 8, and said mounting shell 1 is provided with through wires hole 9, and said hot terminal son 7 and coil 6 are connected through conducting copper; Said conducting copper passes ZCT 4; Pass in the described through wires hole 9 and detect lead 10, an end of said detection lead 10 is electrically connected with conducting copper, the other end and pass the opposite side that through wires hole 9 is positioned at mounting shell 1; Said test button 5 is located on the mounting shell 1 of second cap, 3 sides; On the said the mounting shell 1 and below that is positioned at test button 5 is fixed with sheet metal 11, and an end of this sheet metal 11 is electrically connected with detecting lead 10, and the other end contacts with the lower end of test button 5; Said second cap 3 is provided with zero line binding post 7 is electrically connected and is connected lead 12; After second cap 3 fastened with mounting shell 1, this connection lead 12 was positioned at the below of sheet metal 11, and said test button 5 matches with sheet metal 11 and constitutes sheet metal 11 and be connected lead 12 contacts or break off.According to such scheme, easy for installation because the connected mode of RCCB earth detector is to connect the function that electric-leakage detection circuit is realized detection through housing with the mode that engages of cap, and also connection stability is effectively improved.
As shown in the figure, said mounting shell 1 is provided with first fixed leg 13, and said first fixed leg 13 is provided with draw-in groove 14, and said sheet metal 11 is located in the draw-in groove 14.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 first fixed leg 13; Said sheet metal 11 is combined by barb part 15 and straight portion 16, and barb part 15 1 edges are located in the draw-in groove 14, and another side is fixed 13 outer rim and is connected with detection lead 10 along walking around first; And straight portion 16 is stretched out and contact with the lower end of test button 5; So that when detecting, press test button 5, the lead 12 that is connected on pressed metal sheet 11 and second fixed leg 17 contacts and realizes switching on.Easy to use, simple.
As shown in the figure; The upper end of said second cap 3 and the below that is positioned at sheet metal 11 are provided with second fixed leg 17; Said second fixed leg, 17 upsides are provided with translot 18, and the end face that is positioned at second fixed leg 17 is provided with opening 19, connect lead 12 and are fixed in translot 18 interior also bendings process openings 19 to extending below.Outer rim upper side at second fixed leg 17 is provided with translot 18; Be provided with the opening 19 of certain depth at the end face of second fixed leg 17; The lower portion that connects lead 12 is fixed in the translot 18; Upper portion protrudes the outward flange of second fixed leg 17, connects lead 12 and is fixed in translot 18 interior also bendings process openings 19 to extending below.After second cap 3 matches with mounting shell 1 and installs; Second fixed leg 17 is positioned at the below of sheet metal 11; During detection, only need press test button 8, the straight portion 16 of drive sheet metal 11 contacts to switch on the upper portion that is connected lead 12 on second fixed leg 17 and realizes detecting.
Embodiment should not be regarded as the restriction to utility model, but any improvement of doing based on the spirit of the utility model, all should be within the protection range of the utility model.
Claims (4)
1. RCCB; Comprise housing; Described housing is combined by mounting shell (1) that is positioned at the middle part and first cap (2) and second cap (3) that are positioned at both sides; Said housing is provided with ZCT (4) and test button (5), coil (6); The said mounting shell (1) that is positioned at first cap (2) side is provided with hot terminal (7), and the said mounting shell (1) that is positioned at second cap (3) side is provided with zero line binding post (8), and said mounting shell (1) is provided with through wires hole (9); Said hot terminal (7) is connected through conducting copper with coil (6); Said conducting copper passes ZCT (4), passes in the described through wires hole (9) and detects lead (10), and an end of said detection lead (10) is electrically connected with conducting copper; The other end with pass the opposite side that through wires hole (9) is positioned at mounting shell (1); It is characterized in that: said test button (5) is located on the mounting shell (1) of second cap (3) side, and said mounting shell (1) is gone up and the below that is positioned at test button (5) is fixed with sheet metal (11), and an end of this sheet metal (11) is electrically connected with detection lead (10); The other end contacts with the lower end of test button (5); Said second cap (3) is provided with zero line binding post (7) is electrically connected and is connected lead (12), and said connection lead (12) is positioned at the below of sheet metal (11), and said test button (5) and sheet metal (11) match and constitute sheet metal (11) and be connected that lead (12) contacts or disconnection.
2. RCCB according to claim 1 is characterized in that said mounting shell (1) is provided with first fixed leg (13), and said first fixed leg (13) is provided with draw-in groove (14), and said sheet metal (11) is located in the draw-in groove (14).
3. RCCB according to claim 2; It is characterized in that said sheet metal (11) is combined by barb part (15) and straight portion (16); Barb part (15) one edges are located in the draw-in groove (14); Another side along walk around first fix (13) outer rim be connected with detection lead (10), and straight portion (16) is stretched out and contact with the lower end of test button (5).
4. according to claim 1 or 2 or 3 described RCCBs; The below that it is characterized in that the upper end of said second cap (3) and be positioned at sheet metal (11) is provided with second fixed leg (17); Said second fixed leg (17) upside is provided with translot (18); The end face that is positioned at second fixed leg (17) is provided with opening (19), connects lead (12) and is fixed in the interior also bending process opening (19) of translot (18) to extending below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200275602U CN202423188U (en) | 2012-01-20 | 2012-01-20 | Electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200275602U CN202423188U (en) | 2012-01-20 | 2012-01-20 | Electric leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202423188U true CN202423188U (en) | 2012-09-05 |
Family
ID=46747923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200275602U Withdrawn - After Issue CN202423188U (en) | 2012-01-20 | 2012-01-20 | Electric leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202423188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543610A (en) * | 2012-01-20 | 2012-07-04 | 乐清市国隆电气有限公司 | Earth leakage circuit breaker |
-
2012
- 2012-01-20 CN CN2012200275602U patent/CN202423188U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543610A (en) * | 2012-01-20 | 2012-07-04 | 乐清市国隆电气有限公司 | Earth leakage circuit breaker |
| CN102543610B (en) * | 2012-01-20 | 2014-07-02 | 乐清市国隆电气有限公司 | Earth leakage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |