CN2186954Y - Electromagnetic drag mechanism - Google Patents
Electromagnetic drag mechanism Download PDFInfo
- Publication number
- CN2186954Y CN2186954Y CN 94225903 CN94225903U CN2186954Y CN 2186954 Y CN2186954 Y CN 2186954Y CN 94225903 CN94225903 CN 94225903 CN 94225903 U CN94225903 U CN 94225903U CN 2186954 Y CN2186954 Y CN 2186954Y
- Authority
- CN
- China
- Prior art keywords
- armature
- coil
- iron core
- switching circuit
- utility
- 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 an electromagnetic drag mechanism which is composed of an iron core, a coil on the iron core, an armature and a tension spring connected with the armature, which are connected. The armature is composed of a permanent magnet. The coil is connected with a switch circuit. The utility model has the advantages of noise elimination, energy saving, practicality and reliability, and can improve the contact reliability of electrical contacts.
Description
The utility model relates to a kind of improvement to A.C. contactor, relay or tractive electromagnet internal electromagnetic haulage gear.
The electromagnetic traction mechanism of traditional contactor or relay mainly is by armature, and iron core and coil three parts are formed, and armature makes itself and iron core keep certain distance by spring tension at ordinary times; And when adhesive, coil electricity, iron core produces magnetic force armature is attracted in the past, armature motion drives the electrical contact action, to reach the purpose of connecting controlled circuit, but in order to overcome the pulling force of spring, the holding armature attracting state makes iron core produce magnetic force adhesive armature thereby coil is switched on always.This haulage gear has following shortcoming: the one, and the waste electric energy is promptly switched in the attracting state lower coil always and is being consumed electrical power; The 2nd, contaminated environment, promptly iron-core coil produces AC noise through regular meeting.
The purpose of this utility model just is to overcome and avoid the shortcoming of prior art, and provide a kind of energy-efficient, eliminate noise, practical and reliable electromagnet haulage gear, the mechanical oscillation of pickup time can also be eliminated simultaneously by this mechanism, thereby improve the reliability of electrical contact contact.
The utility model is to adopt following measure to implement its purpose.
By iron core, coil on the iron core, the utility model that armature and the extension spring that is connected with armature connect and compose, its armature is permanent magnet, coil connects a switching circuit, switching circuit can for one by switch and circuit parallel with one another again after diode is connected, and two diode polarity are opposite.Switching circuit can also be to be made of two groups of mutual cross-coupled two-way switchs.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the structural representation of traditional electromagnetism haulage gear,
Fig. 2 is a structural representation of the present utility model,
The magnetic pole distribution map of armature and iron core when Fig. 3 is adhesive,
Armature and core magnetic pole distribution map when Fig. 4 is separation,
Fig. 5 is a coil Alternating Current Power Supply switching circuit schematic diagram,
Fig. 6 is a coil direct current supply switching circuit schematic diagram.
Below in conjunction with accompanying drawing the utility model is further described:
The utility model is by armature (2), the extension spring (1) that is connected with armature (2), and the coil (3) on iron core (4) and the iron core (4) connects and composes, and armature (2) is permanent magnet, and coil (3) also connects a switching circuit.When coil (3) power supply during into alternating current, switching circuit be one by two groups of switch (K
1, K
2) and diode (D
1, D
2) circuit parallel with one another again after the series connection, and two diode (D
1, D
2) polarity opposite; When coil (3) power supply during into direct electricity, switching circuit can be by two groups of mutual cross-coupled two-way switch (K
3, K
4) constitute.
Main feature of the present utility model and function are when the coil (3) of giving this haulage gear during with " adhesive " current signal, it is adhesive immediately, and the moving contact of drive contactor or relay, connect controlled circuit, then need not keep electric current, it is constant that haulage gear itself just can maintain attracting state, and the instruction of adhesive is lived in memory.When giving the current signal of " separating ", haulage gear is converted to " release " open circuit by attracting state immediately, then also need not keep electric current, and it is constant that haulage gear itself just can maintain separated position, and instruction is separately lived in memory.So save common contactor or the relay electrical power that coil consumes when keeping adhesive fully, reached energy-efficient and eliminated the purpose of noise fully, also eliminated the mechanical oscillation in whole pickup time simultaneously, guaranteed the reliability that contact contacts.
This electromagnetic traction mechanism that memory function is arranged can be applied on various dissimilar contactors, relay and the tractive electromagnet widely.And it just changes traction element, to the not change of electric property of contactor and relay.
The main distinction of the design and common haulage gear is to have changed its armature (2) into permanent magnet, other structures are basic identical, magnet (2) also is to make itself and iron core (4) keep certain distance by spring (1) pulling force at ordinary times, the polarity of permanent magnet (2) as shown in the figure, when coil (3) is switched on, the polarity of the magnetic field that iron core (4) is produced is opposite with permanent magnet (2) polarity, at this moment produced attraction between the two, permanent magnet (2) moves to iron core (4) direction, when magnet (2) and iron core (4) when attracting each other, their distances between the two can approach zero theoretically, but in fact because rough, out-of-flatness, have only several points directly to contact, but average distance is not more than 0.1mm, distance originally is more than 10mm, thereby when increasing more than 10000 than attraction before not having adhesive after energising magnet (2) and iron core (4) adhesive, be enough to overcome the pulling force of spring (1), keep attracting state, because magnet attraction and square being inversely proportional to of distance each other, coil (3) can cut off the power supply like this, save the electric energy of adhesive between normal traction mechanism holding armature (2) and the iron core (4), when needs separate, coil (3) leads to opposite electric current, make the magnetic field of iron core (4) generation and magnet (2) identical polar, the pulling force of same sex mutual expelling force and spring (1) makes between the two and separates, power separately is two, and it is more superior to compare normal traction mechanism.
The utility model is energy-efficient, eliminates noise fully, and scheme is simple, and is practical reliable, can also eliminate mechanical oscillation simultaneously, improves the reliability of electrical contact contact.
Claims (3)
1, a kind of electromagnetic traction mechanism, it is by iron core, the coil on the iron core, armature connects and composes with the extension spring that is connected with armature, it is characterized in that armature is permanent magnet, and coil connects a switching circuit.
2, a kind of electromagnetic traction according to claim 1 mechanism, it is characterized in that a described switching circuit be one by switch and circuit parallel with one another again after diode is connected, and two diode polarity are opposite.
3, a kind of electromagnetic traction according to claim 1 mechanism is characterized in that a described switching circuit is to be made of two groups of mutual cross-coupled two-way switchs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225903 CN2186954Y (en) | 1994-02-26 | 1994-02-26 | Electromagnetic drag mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225903 CN2186954Y (en) | 1994-02-26 | 1994-02-26 | Electromagnetic drag mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2186954Y true CN2186954Y (en) | 1995-01-04 |
Family
ID=33838994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94225903 Expired - Fee Related CN2186954Y (en) | 1994-02-26 | 1994-02-26 | Electromagnetic drag mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2186954Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047868C (en) * | 1996-11-07 | 1999-12-29 | 神达电脑股份有限公司 | Electromagnetic switch for electronic product |
| CN108335954A (en) * | 2018-04-22 | 2018-07-27 | 中欧电气有限公司 | A kind of moving contact component of plug in circuit breaker |
| CN112170117A (en) * | 2020-09-29 | 2021-01-05 | 罗森聪 | Improve lithium cell negative pole preparation auxiliary device of coating precision |
-
1994
- 1994-02-26 CN CN 94225903 patent/CN2186954Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047868C (en) * | 1996-11-07 | 1999-12-29 | 神达电脑股份有限公司 | Electromagnetic switch for electronic product |
| CN108335954A (en) * | 2018-04-22 | 2018-07-27 | 中欧电气有限公司 | A kind of moving contact component of plug in circuit breaker |
| CN112170117A (en) * | 2020-09-29 | 2021-01-05 | 罗森聪 | Improve lithium cell negative pole preparation auxiliary device of coating precision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: QINGDAO SHIBEI CHANG JING MACHINERY PLANT TO: JIANG QISHAN |
|
| CP03 | Change of name, title or address |
Address after: No. 2 glue Road, Qingdao Patentee after: Jiang Qishan Address before: Shanghai Road Primary School, Qingdao Patentee before: Qingdao North Changjiang Machinery Works |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |