CN104576217B - Electromagnet with current separating channel - Google Patents
Electromagnet with current separating channel Download PDFInfo
- Publication number
- CN104576217B CN104576217B CN201410804882.7A CN201410804882A CN104576217B CN 104576217 B CN104576217 B CN 104576217B CN 201410804882 A CN201410804882 A CN 201410804882A CN 104576217 B CN104576217 B CN 104576217B
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- iron core
- solenoid
- current
- sparking electrode
- terminals
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000003068 static effect Effects 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses an electromagnet with a current separating channel. The electromagnet comprises a movable iron core, a stationary iron core, a restoring spring, an electromagnetic coil, a housing, a left terminal, a right terminal and a coil bracket, wherein a pair of discharge electrodes are connected in series with two ends of the electromagnetic coil; the discharge electrodes comprise a left discharge electrode and a right discharge electrode; the left terminal is connected with the left discharge electrode, and the right terminal is connected with the right discharge electrode; the stationary iron core is arranged outside the movable iron core; the electromagnetic coil surrounds the stationary iron core; the movable iron core, the stationary iron core, the restoring spring and the electromagnetic coil are erected in a cavity of the housing through the coil bracket; when a power current arrives, the movable iron core quickly moves under the action of an electromagnetic force; when a lightning impulse current arrives, induced voltages generated at two ends of the electromagnetic coil instantaneously break down the two discharge electrodes. The electromagnet disclosed by the invention not only can act under a small current to realize the purpose of drive, but also can divide a relatively strong lightning impulse current, so that the service life of the electromagnet is prolonged.
Description
The application be Application No. 201110115066.1, the applying date be on May 5th, 2011, invention and created name be " one
Kind there is the electric magnet that electric current sorts passage " application for a patent for invention divisional application.
Technical field
The present invention relates to a kind of electric magnet, particularly a kind of have the electric magnet that electric current sorts passage.
Background technology
It is applied to the electric magnet in various miniature circuit breakers at present, its dynamic iron core is according to by the power frequency electric miscarriage of coil
Lively work, this power current, also known as action current, reaches driving purpose.Preferably state is, the electromagnetism of output normal thrust
Ferrum, required driving power is the smaller the better, that is, better by the less effect of action current of electromagnet coil.Reduce dynamic
Make electric current it is necessary to increase wire circle；The number of turns increases line footpath and will reduce；Coil diameter is little, and high current has been carried out coil and easily burnt
Bad.
Content of the invention
The technical problem to be solved is to provide a kind of electric magnet with electric current sorting passage, works as power frequency electric
When flowing to, dynamic iron core can produce normal thrust, reaches the purpose of driving；And when lightning impulse current arrives, electric discharge electricity
Pole can complete heavy current shunting task, thus realizing the function that electric current sorts passage.
For solving above technical problem, the embodiment of the present invention provides a kind of electric magnet with electric current sorting passage, including：
Dynamic iron core (3), static iron core (4), recover spring (5), solenoid (6), described electric magnet also include housing (1),
Left terminals (2), right terminals (8), coil brace (7)；
In the two ends of solenoid (6) parallel connection a pair of discharge electrodes；Described sparking electrode include left sparking electrode (10) and
Right sparking electrode (9)；Described left terminals (2) are connected with described left sparking electrode (10)；Described right terminals (8) and the described right side
Sparking electrode (9) connects；
It is outside that described static iron core (4) is arranged on described dynamic iron core (3)；Described solenoid (6) is centered around described static iron core
(4) outside；Described dynamic iron core (3), static iron core (4), recovery spring (5), solenoid (6) are set up by described coil brace (7)
In the cavity of housing (1)；
When power current arrives, reach right terminals (8) by left terminals (2), through solenoid (6), move iron core
(3) quickly move in the presence of electromagnetic force；When lightning impulse current arrives, produce, at solenoid (6) two ends, electricity of inducting
Pressure, small part electric current makes (3) unshakable in one's determination quick motion, the induced potential that solenoid (6) two ends produce by solenoid (6)
Made for two sparking electrode moments puncture.
Preferably, the pair of sparking electrode be hemispherical protrusions split-phase to or other shapes protuberance split-phase
To.
Further, described sparking electrode is open-type or is sealed gas discharge tube.
Provided in an embodiment of the present invention have the electric magnet that electric current sorts passage, and its advantage is, due to increased electricity
Flow point circulation road, electric magnet both can be when power current arrives, and power current passes through left terminals, reaches the right side through solenoid
Terminals, dynamic iron core quickly moves, thus reaching the purpose of driving in the presence of electromagnetic force；Can also be in lightning impulse current
During arrival, because Current versus time rate of change is high, produce induced potential at solenoid two ends, only small part electric current passes through electricity
Magnetic coil makes quick motion unshakable in one's determination, and the induced potential that solenoid two ends produce made for two sparking electrode moments puncture, Ji Shiqian
The dash current of peace passes through, and completes current distributing task.Therefore, the embodiment of the present invention makes the electric magnet can be in small current
Lower action, reaches driving purpose, and can shunt compared with heavy current, extends the service life of electric magnet.
Brief description
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is Fig. 1 band shell schematic diagram.
Fig. 3 is the generalized section of Fig. 2.
Fig. 4 is electrical schematic diagram of the present invention.
In Fig. 3：1. housing, 2. left terminals, 3. dynamic iron core, 4. static iron core, 5. recovers spring, 6. solenoid, 7. line
Coil support, 8. right terminals, 9. right sparking electrode, 10. left sparking electrode.
In Fig. 4：The dynamic iron core D of electric magnet, solenoid L, coil channel two ends A, B, gap discharge device S.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
A kind of electric magnet with electric current sorting passage of the present invention, as shown in Figure 1,2,3, 4, it is included by dynamic iron core
3rd, static iron core 4, recovery spring 5, the electric magnet of solenoid 6 composition, at the two ends of solenoid 6, a pair of hemispherical in parallel is protruded
Partly opposite sparking electrode.It is further marked with housing 1, left terminals 2, coil brace 7, right terminals 8, right sparking electrode in Fig. 3
9th, left sparking electrode 10.
In Fig. 4, D is the dynamic iron core of electric magnet, can be along arrow direction.L is solenoid, and A, B are that coil leads to
Road two ends, S is gap discharge device.Power current passes through A, reaches B end through solenoid L, and electric magnet moves iron core and quickly moves,
Reach the purpose of driving.When lightning impulse current arrives, because Current versus time rate of change is high, produce induced potential at L two ends,
Only small part electric current passes through coil L, so that D unshakable in one's determination is quickly moved.The induced potential that L two ends produce makes S splaying moment hit
Wear, dash current reaches B end through discharging gap, completes current distributing task.
In Fig. 3, when power current arrives, reach right terminals 8 by left terminals 2, through solenoid 6, move unshakable in one's determination 3
Quickly move in the presence of electromagnetic force, reach the purpose of driving.When lightning impulse current arrives, due to Current versus time change
Rate is high, produces induced potential at solenoid 6 two ends, and only small part electric current makes unshakable in one's determination 3 quickly to transport by solenoid 6
Dynamic.The induced potential that solenoid 6 two ends produce made for two sparking electrode moments puncture, and the dash current of tens kilo-amperes smoothly leads to
Cross, complete current distributing task.
As shown in figure 3, in the two ends of solenoid 6 parallel connection a pair of discharge electrodes；Described sparking electrode includes left electric discharge electricity
Pole 10 and right sparking electrode 9；Described left terminals 2 are connected with described left sparking electrode 10；Described right terminals 8 and the described right side are put
Electrode 9 connects；Described static iron core 4 is arranged on outside described dynamic iron core 3；Described solenoid 6 is centered around outside described static iron core 4
Portion；Described dynamic iron core 3, static iron core 4, recovery spring 5, solenoid 6 are erected in the cavity of housing 1 described coil brace 7.
The origination action electric current of dynamic iron core of the present invention is not more than 15A, is not less than by the dash current of two sparking electrodes
20kA.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (2)
1. a kind of have the electric magnet that electric current sorts passage, including dynamic iron core (3), static iron core (4), recovers spring (5), electromagnetic wire
Circle (6) it is characterised in that：Described electric magnet also includes housing (1), left terminals (2), right terminals (8), coil brace (7)；
In the two ends of solenoid (6) parallel connection a pair of discharge electrodes；Described sparking electrode includes left sparking electrode (10) and the right side is put
Electrode (9)；Described left terminals (2) are connected with described left sparking electrode (10)；Described right terminals (8) and described right electric discharge
Electrode (9) connects；
It is outside that described static iron core (4) is arranged on described dynamic iron core (3)；Described solenoid (6) is centered around described static iron core (4) outward
Portion；Described dynamic iron core (3), static iron core (4), recovery spring (5), solenoid (6) are erected at housing by described coil brace (7)
(1) in cavity；
When power current arrives, reach right terminals (8) by left terminals (2), through solenoid (6), dynamic iron core (3) exists
Quickly move in the presence of electromagnetic force；When lightning impulse current arrives, produce induced potential at solenoid (6) two ends, few
Portion of electrical current makes (3) unshakable in one's determination quick motion by solenoid (6), and the induced potential that solenoid (6) two ends produce makes two
Sparking electrode moment punctures；
Wherein, the pair of sparking electrode be hemispherical protrusions split-phase to.
2. have as claimed in claim 1 electric current sort passage electric magnet it is characterised in that：Described sparking electrode is to open
Formula or be sealed gas discharge tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804882.7A CN104576217B (en) | 2011-05-05 | 2011-05-05 | Electromagnet with current separating channel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101150661A CN102184808A (en) | 2011-05-05 | 2011-05-05 | Electromagnet with current separation channel |
| CN201410804882.7A CN104576217B (en) | 2011-05-05 | 2011-05-05 | Electromagnet with current separating channel |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101150661A Division CN102184808A (en) | 2011-05-05 | 2011-05-05 | Electromagnet with current separation channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104576217A CN104576217A (en) | 2015-04-29 |
| CN104576217B true CN104576217B (en) | 2017-02-22 |
Family
ID=53092025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410804882.7A Active CN104576217B (en) | 2011-05-05 | 2011-05-05 | Electromagnet with current separating channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104576217B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387651Y (en) * | 1999-07-29 | 2000-07-12 | 陈晓宁 | Isolating distributing frame protector |
| CN1457126A (en) * | 2003-01-16 | 2003-11-19 | 黄兴英 | Surge protective method by self-control surge current triggered gap discharge |
| CN101140838A (en) * | 2006-09-06 | 2008-03-12 | 麦尔马克汽车电子(深圳)有限公司 | D.C. contactor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010040242A (en) * | 2008-08-01 | 2010-02-18 | Panasonic Corp | Overvoltage protection component, electric circuit using same, and overvoltage protection method |
-
2011
- 2011-05-05 CN CN201410804882.7A patent/CN104576217B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387651Y (en) * | 1999-07-29 | 2000-07-12 | 陈晓宁 | Isolating distributing frame protector |
| CN1457126A (en) * | 2003-01-16 | 2003-11-19 | 黄兴英 | Surge protective method by self-control surge current triggered gap discharge |
| CN101140838A (en) * | 2006-09-06 | 2008-03-12 | 麦尔马克汽车电子(深圳)有限公司 | D.C. contactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104576217A (en) | 2015-04-29 |
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| CB03 | Change of inventor or designer information |
Inventor after: Li Xin Inventor after: Li Bailin Inventor after: Li Bochen Inventor after: Chen Rongbin Inventor after: Zeng Fanqi Inventor before: Li Xin Inventor before: Li Bailin Inventor before: Li Bochen Inventor before: Chen Rongbin Inventor before: Zeng Fanqi |