CN211907366U - Electric leakage electromagnetic tripping mechanism - Google Patents
Electric leakage electromagnetic tripping mechanism Download PDFInfo
- Publication number
- CN211907366U CN211907366U CN202020731314.XU CN202020731314U CN211907366U CN 211907366 U CN211907366 U CN 211907366U CN 202020731314 U CN202020731314 U CN 202020731314U CN 211907366 U CN211907366 U CN 211907366U
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- China
- Prior art keywords
- iron core
- release
- electromagnetic
- spring
- tripper
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- Expired - Fee Related
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Abstract
The utility model discloses an electric leakage electromagnetic tripping mechanism, which comprises a static contact, wherein the static contact is provided with a static contact; the static contact left end is provided with the yoke, be provided with one in the yoke and put the thing chamber, it is provided with release ejector pin, release spring, moves iron core, electromagnetic core spring, solenoid, quiet iron core and electromagnetic tripping ejector pin to put the thing intracavity, release spring left end is provided with the release iron core, the cover is equipped with iron core cover and release coil from a left side to the right side in proper order on the release iron core. According to the technical scheme, the leakage release and the electromagnetic coil are realized in one mechanism; the leakage release generates a small magnetic field, and the release process is completed by utilizing a wall formed by a release iron core, a release spring and a movable iron core; the iron core sleeve is integrated, the actions are all completed in the iron core sleeve, the precision is high, the manufacturing cost is low, the space is favorable for being better, the size is small, and the practicability is good.
Description
Technical Field
The utility model relates to a tripping device technical field of electric leakage circuit breaker, concretely relates to electric leakage electromagnetism tripping device.
Background
The leakage circuit breaker mainly plays a role in quickly cutting off a power supply and preventing electric shock accidents when people get electric shock or leakage occurs, and some leakage protective circuits also have overload and short-circuit protection or are used for starting and stopping motors infrequently. The tripping mechanism is an important part in the residual current circuit breaker, and the sensitivity of the tripping mechanism directly influences the breaking performance of the residual current circuit breaker. The existing tripping mechanism of the residual current circuit breaker has the disadvantages of large volume, low precision, high manufacturing cost and poor practicability.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a leakage electromagnetic tripping device that structural design is reasonable, small, the precision is high, low in manufacturing cost and the practicality is good.
In order to achieve the above purpose, the utility model provides a following technical scheme: an electric leakage electromagnetic tripping mechanism comprises a static contact, wherein the static contact is provided with a static contact; the static contact left end is provided with the yoke, be provided with one in the yoke and put the thing chamber, it is provided with release ejector pin, release spring, moves iron core, electromagnetic core spring, solenoid, quiet iron core and electromagnetic tripping ejector pin to put the thing intracavity, release spring left end is provided with the release iron core, the cover is equipped with iron core cover and release coil from a left side to the right side in proper order on the release iron core.
The utility model discloses further set up to: when the circuit generates electricity leakage, the coil of the tripper generates a magnetic field to push the tripper ejector rod rightwards, the tripper ejector rod compresses the tripper spring, and the electromagnetic tripper ejector rod moves rightwards.
The utility model discloses still further set up to: when the circuit is short-circuited, the electromagnetic coil generates a magnetic field to push the movable iron core rightwards, the movable iron core compresses the electromagnetic iron core spring, the static iron core touches the electromagnetic tripping ejector rod, and the electromagnetic tripping ejector rod moves rightwards.
The utility model discloses still further set up to: the iron core sleeve is of an integrated structure.
The utility model discloses still further set up to: the tripping process is completed by utilizing a wall formed by the iron core of the tripper, the spring of the tripper and the movable iron core.
The utility model has the advantages that: compared with the prior art, the utility model has more reasonable structure, when the line generates electric leakage, the tripper coil generates magnetic field to push the tripper ejector rod rightwards, the tripper ejector rod compresses the tripper spring and continues to push the electromagnetic tripping ejector rod rightwards, and the electromagnetic tripping ejector rod pushes other existing mechanisms to complete tripping;
when the circuit is short-circuited, the electromagnetic coil generates a magnetic field to push the movable iron core to the right, the movable iron core compresses the electromagnetic iron core spring, and in the process of continuously pushing to the right, the static iron core can touch the electromagnetic tripping ejector rod and push the electromagnetic tripping ejector rod to continuously push other existing mechanisms to the right to complete tripping;
the leakage release (leakage function) and the electromagnetic coil (instantaneous function) are realized in one mechanism; the leakage release generates a small magnetic field, and the release process is completed by utilizing a wall formed by a release iron core, a release spring and a movable iron core;
the iron core sleeve is integrated, the actions are all completed in the iron core sleeve, the precision is high, the manufacturing cost is low, the space is favorable for being better, the size is small, and the practicability is good.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the utility model discloses an electric leakage electromagnetic tripping mechanism, which comprises a static contact 1, wherein a static contact 2 is arranged on the static contact 1; the left end of the static contact 1 is provided with a magnetic yoke 3, a storage cavity 31 is arranged in the magnetic yoke 3, a release ejector rod 4, a release spring 5, a movable iron core 6, an electromagnetic iron core spring 7, an electromagnetic coil 8, a static iron core 9 and an electromagnetic release ejector rod 10 are arranged in the storage cavity 31, a release iron core 11 is arranged at the left end of the release spring 5, and an iron core sleeve 12 and a release coil 13 are sequentially sleeved on the release iron core 11 from left to right.
The static contact 2 and the static contact 1 are integrally arranged or fixed through welding.
Preferably, when the line generates electric leakage, the tripper coil 13 generates a magnetic field to push the tripper ejector rod 4 to the right, the tripper ejector rod 4 compresses the tripper spring 5, and the electromagnetic tripper ejector rod 10 moves to the right.
Preferably, when the line is short-circuited, the electromagnetic coil 8 generates a magnetic field to push the movable iron core 6 to the right, the movable iron core 6 compresses the electromagnetic iron core spring 7, the static iron core 9 touches the electromagnetic tripping ejector rod 10, and the electromagnetic tripping ejector rod 10 moves to the right.
Preferably, the core housing 12 is a one-piece structure.
Preferably, the tripping process is performed by forming a wall by the trip core 11, the trip spring 5 and the movable core 6.
In practical application, when a circuit generates electric leakage, a magnetic field generated by a coil of the tripper pushes a tripper ejector rod to the right, the tripper ejector rod compresses a tripper spring and continues to push the electromagnetic tripping ejector rod to the right, so that the electromagnetic tripping ejector rod pushes other existing mechanisms to complete tripping;
when the circuit is short-circuited, the electromagnetic coil generates a magnetic field to push the movable iron core to the right, the movable iron core compresses the electromagnetic iron core spring, and in the process of continuously pushing to the right, the static iron core can touch the electromagnetic tripping ejector rod and push the electromagnetic tripping ejector rod to continuously push other existing mechanisms to the right to complete tripping;
the leakage release (leakage function) and the electromagnetic coil (instantaneous function) are realized in one mechanism; the leakage release generates a small magnetic field, and the release process is completed by utilizing a wall formed by a release iron core, a release spring and a movable iron core;
the iron core sleeve is integrated, the actions are all completed in the iron core sleeve, the precision is high, the manufacturing cost is low, the space is favorable for being better, the size is small, and the practicability is good.
The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.
Claims (5)
1. An electric leakage electromagnetic tripping mechanism comprises a static contact (1), wherein a static contact (2) is arranged on the static contact (1); static contact (1) left end is provided with yoke (3), be provided with one in yoke (3) and put thing chamber (31), its characterized in that: be provided with release ejector pin (4), release spring (5), move iron core (6), electromagnetic core spring (7), solenoid (8), quiet iron core (9) and electromagnetic tripping ejector pin (10) in putting thing chamber (31), release spring (5) left end is provided with release iron core (11), the cover is equipped with iron core cover (12) and release coil (13) from a left side to the right side in proper order on release iron core (11).
2. An electrical leakage electromagnetic trip mechanism according to claim 1, further comprising: when the circuit generates electricity leakage, the tripper coil (13) generates a magnetic field to push the tripper ejector rod (4) rightwards, the tripper ejector rod (4) compresses the tripper spring (5), and the electromagnetic tripper ejector rod (10) moves rightwards.
3. An electrical leakage electromagnetic trip mechanism according to claim 2, further comprising: when the circuit is short-circuited, the electromagnetic coil (8) generates a magnetic field to push the movable iron core (6) rightwards, the movable iron core (6) compresses the electromagnetic iron core spring (7), the static iron core (9) touches the electromagnetic tripping ejector rod (10), and the electromagnetic tripping ejector rod (10) moves rightwards.
4. An electrical leakage electromagnetic trip mechanism according to claim 1, further comprising: the iron core sleeve (12) is of an integrated structure.
5. An electrical leakage electromagnetic trip mechanism according to claim 1, further comprising: the tripping process is completed by forming a wall by the tripper iron core (11), the tripper spring (5) and the movable iron core (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731314.XU CN211907366U (en) | 2020-05-07 | 2020-05-07 | Electric leakage electromagnetic tripping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731314.XU CN211907366U (en) | 2020-05-07 | 2020-05-07 | Electric leakage electromagnetic tripping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211907366U true CN211907366U (en) | 2020-11-10 |
Family
ID=73270551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020731314.XU Expired - Fee Related CN211907366U (en) | 2020-05-07 | 2020-05-07 | Electric leakage electromagnetic tripping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211907366U (en) |
-
2020
- 2020-05-07 CN CN202020731314.XU patent/CN211907366U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |