CN106057581A - Micro magnetic latching relay with magnet steel directly connected in series to magnetic circuit - Google Patents
Micro magnetic latching relay with magnet steel directly connected in series to magnetic circuit Download PDFInfo
- Publication number
- CN106057581A CN106057581A CN201610352398.4A CN201610352398A CN106057581A CN 106057581 A CN106057581 A CN 106057581A CN 201610352398 A CN201610352398 A CN 201610352398A CN 106057581 A CN106057581 A CN 106057581A
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- China
- Prior art keywords
- yoke
- magnet steel
- directly connected
- magnetic circuit
- armature
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- 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 a micro magnetic latching relay with a piece of magnet steel directly connected in series to a magnetic circuit, comprising a base, a coil component, a first yoke, a second yoke, a piece of magnet steel, a core, an armature, a moving spring, and a static spring. The coil component is installed on the base, and the core is inserted into the coil component. A first end of the first yoke is installed at one side of the coil component, and extends to the top of the coil component. The magnet steel connects a second end of the first yoke and a first end of the second yoke. The armature is installed at a second end of the second yoke in a relative swing mode. The armature is disposed at the other side of the coil component, and faces the core. The moving spring is installed on the second yoke and linked with the armature, and a moving contact is arranged on the moving spring. The static spring is installed on the base, and a static contact facing the moving contact is arranged on the static spring. The micro magnetic latching relay is easy to assemble, the magnet steel is not easy to crack in assembly, and the magnetic resistance of the magnetic circuit is reduced.
Description
Technical field
The present invention relates to magnetic latching relay technical field, refer in particular to a kind of magnet steel is directly connected in magnetic circuit micro-
Type magnetic latching relay.
Background technology
Relay is the automatic switch element with isolation features, be widely used in communication, automobile, automatically control, domestic
The fields such as electrical equipment, are one of most important control elements.Relay just develops towards miniaturization and energy-saving direction.Magnetic keeps continuing
Electrical equipment utilizes permanent magnet to provide magnetic force, when energized contact action, and after coil removes excitation, contact remains in that this shape
State.Magnetic latching relay is the relay of a kind of energy-conserving and environment-protective.
Relay contact state retention force is to be produced by magnet steel, and the magnetic flux that magnet steel produces is formed by armature, iron core, yoke
Closed-loop path, produces suction at armature and yoke interpolar, and armature applies thrust to movable contact spring, makes to produce enough between dynamic and static contact
Pressure so that it is can reliable current-carrying.When needs make relay contact disconnect, only coil need to be applied enough width-pulse
Voltage, the magnetic flux that this pulse voltage produces is contrary with the flow direction that magnet steel produces, and will produce identical with magnet steel on magnetic pole
Polarity, according to magnetic field principle of same-sex repulsion, thrust can be produced between armature and yoke magnetic pole, when magnetic circuit produce resultant moment
The countertorque of size reed, armature part rotates around the axis, relay off-state；If closure state to be returned, must be online
A contrary pulse is applied on circle.
As shown in Figures 1 and 2, a kind of Miniature magnetic guard relay that prior art discloses, including base 10, coil block
20, yoke 30, magnet steel 40, iron core 50, armature 60, dynamic spring 70 and quiet spring 80；Coil block 20 is arranged on base 10, iron core 50
Inserting in coil block 20, yoke 30 is L-shaped, and yoke 30 one end is arranged on coil block 20 side and extends to coil block
20 tops, yoke 30 other end swingable installation armature 60, armature 60 is relative with iron core 50, dynamic spring 70 be arranged on yoke 30 and with
Armature 60 links, and dynamic spring 70 arranges movable contact；Quiet spring 80 is arranged on base 10, quiet spring 80 is arranged relative with movable contact
Stationary contact；Mounting magnetic steel 40 between yoke 30 and iron core 50.
In magnetic circuit part, magnet steel 40 is fixed on the requirement between yoke 30 and iron core 50, to size by dimensional fits
The strictest.But limiting due to technique in actual production process, the size of part has a range of fluctuation, cause final
Gap is there is between rear magnet steel 40, iron core 50 and yoke 30 having assembled.This gap increases the magnetic resistance in magnetic circuit, particularly exists
When relay is in SM set mode, reduce retentivity.Meanwhile, during iron core 50 assembles, at iron core 50 and magnet steel 40
Coordinating in rigidity, magnet steel 40 stress is susceptible to cracking, and impact produces yield.
Summary of the invention
It is an object of the invention to provide a kind of Miniature magnetic guard relay being directly connected on by magnet steel in magnetic circuit so that
Easy to assembly, magnet steel is the most easy to crack in assembling, reduces the magnetic resistance of magnetic circuit.
For reaching above-mentioned purpose, the solution of the present invention is:
A kind of Miniature magnetic guard relay magnet steel being directly connected in magnetic circuit, including base, coil block, the first yoke,
Second yoke, magnet steel, iron core, armature, dynamic spring and quiet spring；Coil block is arranged on base, and iron core inserts in coil block；The
First end of one yoke is arranged on coil block side and extends to coil block top, and magnet steel connects the second end of the first yoke
With the first end of the second yoke, the second yoke second end opposing oscillatory install armature, armature be positioned at coil block opposite side with
Iron core is relative；Dynamic spring is arranged on the second yoke and links with armature, and dynamic spring arranges movable contact；Quiet spring is arranged on base,
The stationary contact relative with movable contact is set on quiet spring.
Further, between the second end and first end of the second yoke of the first yoke, there is a gap, magnet steel welded and installed
In this gap.
Further, the second end of the first yoke and the second yoke the first end at least one arrange salient point and under
Salient point, magnet steel is arranged between salient point and lower salient point.
Further, also include fixed structure, fixed structure by welded and installed at the second end of the first yoke and the second yoke
First end of ferrum.
Further, fixed structure is set to " U " type, and " U " type fixed structure is enclosed in second end and of the first yoke
First end of two yokes and magnet steel periphery, be adjacent to bag by the second end of the first yoke and the first end of the second yoke and magnet steel
Cover.
Further, described fixed structure is stainless steel substrates.
Further, the second end of the first yoke and the first end of the second yoke are respectively provided with kink, and magnet steel is installed on this
Between two kinks.
After using such scheme, the first end of the present invention the first yoke is arranged on coil block side and extends to coil groups
Part top, magnet steel connects the second end of the first yoke and the first end of the second yoke, the second end opposing oscillatory peace of the second yoke
Dress armature, i.e. magnet steel are installed between the first yoke and the second yoke, thus realize magnet steel and the first yoke and the second yoke
Stable assembling, reduces the magnetic resistance of magnetic circuit, it is ensured that the magnetic conduction efficiency of whole magnetic circuit system, avoids magnet steel producing assembling process simultaneously
In problem of Cracking.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of prior art；
Fig. 2 is the profile of prior art；
Fig. 3 is the axonometric drawing of the present invention；
Fig. 4 is the profile of the present invention.
Label declaration
Base 1 coil block 2
First yoke 31 first end 311
Second end 312 second yoke 32
First end 321 second end 322
33 times salient points 34 of upper salient point
Fixed structure 35 magnet steel 4
Iron core 5 armature 6
The dynamic quiet spring of spring 78.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in detail.
Refering to shown in Fig. 3 and Fig. 4, a kind of Miniature magnetic being directly connected on by magnet steel in magnetic circuit that the present invention discloses keeps continuing
Electrical equipment, including base 1, coil block the 2, first yoke the 31, second yoke 32, magnet steel 4, iron core 5, armature 6, dynamic spring 7 and quiet spring
8。
Coil block 2 is arranged on base 1, and iron core 5 inserts in coil block 2.First end 311 of the first yoke 31 is installed
In coil block 2 side and extend to coil block 2 top, magnet steel 4 connects the second end 312 and the second yoke of the first yoke 31
First end 321 of 32, the second end 322 opposing oscillatory installation armature 6 of the second yoke 32, armature 6 is positioned at coil block 2 opposite side
Relative with iron core 5.Dynamic spring 7 is arranged on the second yoke 32 and links with armature 6, and dynamic spring 7 arranges movable contact.Quiet spring 8 is installed
On base 1, quiet spring 8 arranges the stationary contact relative with movable contact.
In the present embodiment, have between one between the second end 312 and first end 321 of the second yoke 32 of the first yoke 31
Gap, magnet steel 4 welded and installed is in this gap.Particularly as follows: at the second end 312 and the first end of the second yoke 32 of the first yoke 31
321 at least one salient point 33 and lower salient point 34 are set, in the present embodiment, the second end 312 of the first yoke 31 sets
Putting salient point 33 and lower salient point 34, magnet steel 4 is arranged between salient point 33 and lower salient point 34, and fixed structure 35 passes through welded and installed
The second end 312 and the first end 321 of the second yoke 32 at the first yoke 31.In the present embodiment, this fixed structure 35 is not
Rust steel disc.
Fixed structure 35 is set to " U " type, " U " type fixed structure 35 be enclosed in by the second end 312 of the first yoke 31 with
First end 321 of the second yoke 32 and magnet steel 4 periphery, by the second end 312 and the first of the second yoke 32 of the first yoke 31
End 321 and magnet steel 4 are adjacent to cladding.
Installing for the ease of magnet steel 4, the second end 312 of the first yoke 31 and the first end 321 of the second yoke 32 have respectively
Kink, magnet steel 4 is had to be installed between this two kink.
Magnet steel 4 of the present invention is installed between the first yoke 31 and the second yoke 32, thus realizes magnet steel 4 and the first yoke 31
With the stable assembling of the second yoke 32, reduce the magnetic resistance of magnetic circuit, it is ensured that the magnetic conduction efficiency of whole magnetic circuit system, avoid magnet steel simultaneously
Problem of Cracking during producing assembling.
The foregoing is only the preferred embodiments of the present invention, not the restriction to this case design, all designs according to this case are closed
The equivalent variations that key is done, each falls within the protection domain of this case.
Claims (7)
1. the Miniature magnetic guard relay that magnet steel is directly connected in magnetic circuit, it is characterised in that: include base, coil groups
Part, the first yoke, the second yoke, magnet steel, iron core, armature, dynamic spring and quiet spring；Coil block is arranged on base, and iron core inserts
In coil block；First end of the first yoke is arranged on coil block side and extends to coil block top, and magnet steel connects the
Second end of one yoke and the first end of the second yoke, the second end opposing oscillatory installation armature of the second yoke, armature is positioned at line
Coil assembly opposite side is relative with iron core；Dynamic spring is arranged on the second yoke and links with armature, and dynamic spring arranges movable contact；Quiet spring
It is arranged on base, quiet spring arranges the stationary contact relative with movable contact.
A kind of Miniature magnetic guard relay being directly connected on by magnet steel in magnetic circuit, its feature exists
In: having a gap between the second end and first end of the second yoke of the first yoke, magnet steel welded and installed is in this gap.
A kind of Miniature magnetic guard relay being directly connected on by magnet steel in magnetic circuit, its feature exists
In: the second end of the first yoke and the second yoke the first end at least one salient point and lower salient point are set, magnet steel is pacified
It is contained between salient point and lower salient point.
A kind of Miniature magnetic guard relay being directly connected on by magnet steel in magnetic circuit, its feature exists
In: also including fixed structure, fixed structure passes through the welded and installed the second end at the first yoke and the first end of the second yoke.
A kind of Miniature magnetic guard relay being directly connected on by magnet steel in magnetic circuit, its feature exists
In: fixed structure is set to " U " type, and " U " type fixed structure is enclosed in second end and the first of the second yoke of the first yoke
End and magnet steel periphery, be adjacent to be coated with by the second end of the first yoke and the first end of the second yoke and magnet steel.
A kind of Miniature magnetic guard relay being directly connected on by magnet steel in magnetic circuit, its feature exists
In: described fixed structure is stainless steel substrates.
A kind of Miniature magnetic guard relay being directly connected on by magnet steel in magnetic circuit, its feature exists
In: the second end of the first yoke and the first end of the second yoke are respectively provided with kink, and magnet steel is installed between this two kink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352398.4A CN106057581B (en) | 2016-05-25 | 2016-05-25 | A kind of miniature magnetic latching relay being directly connected on magnet steel in magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352398.4A CN106057581B (en) | 2016-05-25 | 2016-05-25 | A kind of miniature magnetic latching relay being directly connected on magnet steel in magnetic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106057581A true CN106057581A (en) | 2016-10-26 |
| CN106057581B CN106057581B (en) | 2019-04-09 |
Family
ID=57174605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610352398.4A Active CN106057581B (en) | 2016-05-25 | 2016-05-25 | A kind of miniature magnetic latching relay being directly connected on magnet steel in magnetic circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106057581B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231489A (en) * | 2017-11-29 | 2018-06-29 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay reliably limited to armature |
| CN110265267A (en) * | 2019-06-25 | 2019-09-20 | 宁波天波港联电子有限公司 | Armature can stablize the relay of reset |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020434A (en) * | 1975-01-27 | 1977-04-26 | Siemens Aktiengesellschaft | Polarized electromagnetic relay and method of manufacturing the same |
| JPH0676713A (en) * | 1992-08-31 | 1994-03-18 | Matsushita Electric Works Ltd | Electromagnetic relay |
| JP2006040661A (en) * | 2004-07-26 | 2006-02-09 | Matsushita Electric Works Ltd | Latching relay |
| CN203406241U (en) * | 2013-08-14 | 2014-01-22 | 厦门宏发电声股份有限公司 | Magnetic latching relay for parallel type magnetic circuit |
| CN205810700U (en) * | 2016-05-25 | 2016-12-14 | 海拉（厦门）汽车电子有限公司 | A kind of Miniature magnetic guard relay magnet steel being directly connected in magnetic circuit |
-
2016
- 2016-05-25 CN CN201610352398.4A patent/CN106057581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020434A (en) * | 1975-01-27 | 1977-04-26 | Siemens Aktiengesellschaft | Polarized electromagnetic relay and method of manufacturing the same |
| JPH0676713A (en) * | 1992-08-31 | 1994-03-18 | Matsushita Electric Works Ltd | Electromagnetic relay |
| JP2006040661A (en) * | 2004-07-26 | 2006-02-09 | Matsushita Electric Works Ltd | Latching relay |
| CN203406241U (en) * | 2013-08-14 | 2014-01-22 | 厦门宏发电声股份有限公司 | Magnetic latching relay for parallel type magnetic circuit |
| CN205810700U (en) * | 2016-05-25 | 2016-12-14 | 海拉（厦门）汽车电子有限公司 | A kind of Miniature magnetic guard relay magnet steel being directly connected in magnetic circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231489A (en) * | 2017-11-29 | 2018-06-29 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay reliably limited to armature |
| CN110265267A (en) * | 2019-06-25 | 2019-09-20 | 宁波天波港联电子有限公司 | Armature can stablize the relay of reset |
| CN110265267B (en) * | 2019-06-25 | 2024-03-12 | 宁波天波港联电子有限公司 | Relay with armature capable of stable reset |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106057581B (en) | 2019-04-09 |
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Address after: 361000, No. two, No. 36 East Seaview Road, Xiamen export processing zone, Fujian, China Patentee after: Xiamen Hongfa Communication Electric Appliance Co., Ltd Address before: 361000, No. two, No. 36 East Seaview Road, Xiamen export processing zone, Fujian, China Patentee before: HELLA (XIAMEN) AUTOMOTIVE ELECTRONICS Co.,Ltd. |