CN201845733U - Residual current circuit breaker - Google Patents
Residual current circuit breaker Download PDFInfo
- Publication number
- CN201845733U CN201845733U CN2010206158105U CN201020615810U CN201845733U CN 201845733 U CN201845733 U CN 201845733U CN 2010206158105 U CN2010206158105 U CN 2010206158105U CN 201020615810 U CN201020615810 U CN 201020615810U CN 201845733 U CN201845733 U CN 201845733U
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- CN
- China
- Prior art keywords
- armature
- iron core
- lubricating cup
- oil cup
- circuit breaker
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a residual current circuit breaker which comprises a tripping device, an acting mechanism, an arc extinguishing device and a zero sequence mutual inductor, wherein the tripping device comprises an oil cup, an iron core, a coil, a pole shoe, a magnetic yoke, an armature and a drive plate; the oil cup is internally filled with silicon oil, the iron core is arranged in the oil cup, the lower end of the iron core is provided with an iron core spring, the lower end of the oil cup is provided with the pole shoe, the magnetic yoke is arranged outside the oil cup, the coil cup is fixed on the magnetic yoke, the armature is arranged on the magnetic yoke, the armature and the oil cup are arranged side by side, one end of the armature props against the drive plate, the drive plate is connected with the acting mechanism, a return spring is arranged at the other end of the armature, and the coil is wound on the outer wall of the oil cup. The tripping device adopts electromagnetic hydraulic tripping, has excellent temperature characteristic, lower cost, and lower energy consumption.
Description
Technical field
The utility model relates to a kind of residual current circuit breaker.
Background technology
Usually the trip gear of the thermal relay of circuit (motor) protection usefulness often adopts the bimetallic thermal element as the overload detection action element because of technical limitations.But extra power consumption and protective feature are influenced greatly by variation of ambient temperature when having brought work.Along with the requirement of modern social development's low-carbon (LC) life, adopt the electric elements of low power consuming to become inevitable.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, provides a kind of temperature characterisitic good, the residual current circuit breaker of low power consuming.
For achieving the above object, the utility model adopts a kind of residual current circuit breaker, comprise trip gear, actuating mechanism, arc-control device, zero-sequence transformer, trip gear comprises lubricating cup, iron core, coil, pole shoe, yoke, armature, driver plate, be full of silicone oil in the lubricating cup, iron core is arranged in the lubricating cup, and the iron core lower end is provided with the iron core spring, and the lubricating cup lower end is provided with pole shoe, lubricating cup is outside equipped with yoke, lubricating cup is fixed on the yoke, and yoke is provided with armature, and armature and lubricating cup are arranged side by side, armature one end and driver plate are conflicted, driver plate is connected with actuating mechanism, and the armature other end is provided with back-moving spring, is wound with coil on the lubricating cup outer wall.
The beneficial effects of the utility model are that the trip gear of residual current circuit breaker adopts electromagnetic hydraulic pressure to thread off, and temperature characterisitic is good, and cost is lower, and energy consumption is lower.
The utility model further is set to be provided with three groups of trip gears in the described circuit breaker, and the driver plate of three groups of trip gears is connected with actuating mechanism.Three groups of trip gear while interaction energies provide enough tripping forces, make residual current circuit breaker more reliable and more stable.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment trip gear and actuating mechanism.
Fig. 2 is the utility model embodiment trip gear schematic diagram.
Embodiment
Shown in Fig. 1-2, specific embodiment of the utility model is a kind of residual current circuit breaker, comprise trip gear 1, actuating mechanism, arc-control device, zero-sequence transformer, trip gear comprises lubricating cup 11, iron core 12, coil 13, pole shoe 14, yoke 15, armature 16, driver plate 17, actuating mechanism comprises differential guide plate 2, differential lever 3, driver blade 4, release lever 5, Current Regulation bar 6, dropout briquetting 7, contact supporting 8, reset button 9, be wound with coil 13 on lubricating cup 11 outer walls, be full of silicone oil in the lubricating cup 11, iron core 12 is arranged in the lubricating cup 11, iron core 12 lower ends are provided with the iron core spring, lubricating cup 11 lower ends are provided with pole shoe 14, lubricating cup 11 is outside equipped with yoke 15, lubricating cup 11 is fixed on the yoke 15, yoke 15 is provided with armature 16, armature 16 is arranged side by side with lubricating cup 11, armature 16 1 ends are provided with back-moving spring, the armature other end and driver plate 17 are conflicted, driver plate 17 is connected with differential guide plate 2, differential lever 3 is arranged on differential guide plate 2 one ends, differential lever 3 and the touching of driver blade 4 one ends, driver blade 4 other ends are overlapped on the release lever 5, Current Regulation bar 6 connects release lever 5 release levers 5 one ends and withstands on dropout briquetting 7 one ends, contact supporting 8 withstands in the middle of the dropout briquetting 7, and reset button 9 connects dropout briquetting 7.
Claims (2)
1. residual current circuit breaker, comprise trip gear, actuating mechanism, arc-control device, zero-sequence transformer, it is characterized in that: trip gear comprises lubricating cup, iron core, coil, pole shoe, yoke, armature, driver plate, be full of silicone oil in the lubricating cup, iron core is arranged in the lubricating cup, the iron core lower end is provided with the iron core spring, the lubricating cup lower end is provided with pole shoe, and lubricating cup is outside equipped with yoke, and lubricating cup is fixed on the yoke, yoke is provided with armature, armature and lubricating cup are arranged side by side, and armature one end and driver plate are conflicted, and driver plate is connected with actuating mechanism, the armature other end is provided with back-moving spring, is wound with coil on the lubricating cup outer wall.
2. residual current circuit breaker according to claim 1 is characterized in that: be provided with three groups of trip gears in the described circuit breaker, three groups of trip gears are connected with actuating mechanism by driver plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206158105U CN201845733U (en) | 2010-11-11 | 2010-11-11 | Residual current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206158105U CN201845733U (en) | 2010-11-11 | 2010-11-11 | Residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201845733U true CN201845733U (en) | 2011-05-25 |
Family
ID=44040615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206158105U Expired - Fee Related CN201845733U (en) | 2010-11-11 | 2010-11-11 | Residual current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201845733U (en) |
-
2010
- 2010-11-11 CN CN2010206158105U patent/CN201845733U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20131111 |