CN106252161B - A kind of cored magnetic circuit system and its relay - Google Patents
A kind of cored magnetic circuit system and its relay Download PDFInfo
- Publication number
- CN106252161B CN106252161B CN201610783977.4A CN201610783977A CN106252161B CN 106252161 B CN106252161 B CN 106252161B CN 201610783977 A CN201610783977 A CN 201610783977A CN 106252161 B CN106252161 B CN 106252161B
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- China
- Prior art keywords
- iron core
- shape
- magnetic circuit
- pole
- circuit system
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Classifications
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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
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
- H01H2050/365—Stationary parts of magnetic circuit, e.g. yoke formed from a single sheet of magnetic material by punching, bending, plying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of cored magnetic circuit systems and its relay, which includes coil and iron core;The iron core is using the integrally formed bar shape of mold, in one end of bar shape also integrally formed with pole-face;The These strip-shaped sections of iron core form the first, second bending part by twice bended and constitute U-shape, and the fitting coils make the U-shaped mouth of the U-shape can be used in the armature for cooperating relay in the iron core of U-shape.The present invention has the characteristics that cost is relatively low, process is less, magnetic permeability is compared with high, polar area is big by the improvement to magnetic structure.
Description
Technical field
The present invention relates to relay technical field, in particular to a kind of cored magnetic circuit systems and its relay.
Background technique
Relay is the automatic switch element with isolation features, is widely used in communication, automobile, automatic control, household
The fields such as electric appliance are one of most important control elements.
Relay is divided into monostable, bistable state, alternating current and direct current, relay of the different application fields to different function
There are different requirements.Bistable relay can satisfy in the case where not additional power consumption, and relay is made to be maintained at closing or opening
State;AC relay can satisfy the application field requirement for needing alternating current to input.Due to household, Industry Control
Fast development, relay usage amount is also increasing, and cost has become a very important competitiveness;Magnetic circuit system be used as after
The core component of electric appliance, magnetic conduction efficiency, the size of polar area all directly influence its material cost, and completed knocked down products are led directly to
Degree and manufacturing cost etc..
The magnetic circuit system of the relay of the prior art generally includes coil, iron core and yoke, coil then include bobbin and
The enameled wire being wrapped on bobbin, iron core are through in the through-hole of bobbin, and yoke is usually L-type, one side of the L-type of yoke with
One end riveting of iron core is mutually fixed, and a U-shaped structure is made of L-type yoke and iron core, armature then cooperates the U-shaped mouth in U-shaped structure
Place.The drawback that there is parts is more for this magnetic circuit system of the prior art, process is more, magnetic permeability is low, at high cost.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of cored magnetic circuit system and its relay
Device has the characteristics that cost is relatively low, process is less, magnetic permeability is compared with high, polar area is big by the improvement to magnetic structure.
The technical solution adopted by the present invention to solve the technical problems is: a kind of cored magnetic circuit system, including line
Circle and iron core;The iron core is using the integrally formed bar shape of mold, in one end of bar shape also integrally formed with pole
Face;The These strip-shaped sections of iron core form the first, second bending part by twice bended and constitute U-shape, and the fitting coils are in U
In the iron core of shape shape, and the U-shaped mouth of the U-shape is made to can be used in the armature for cooperating relay.
The fitting coils are between the pole-face of iron core and the first bending part of iron core.
The fitting coils are between the second bending part of iron core and the other end of iron core.
The section of the These strip-shaped sections of the iron core is rectangular shape.
The shape of the pole-face of the iron core is rectangle, and section of the polar front shape of iron core relative to the These strip-shaped sections of iron core
Shape be symmetrical structure.
The shape of the pole-face of the iron core is rectangle, and section of the polar front shape of iron core relative to the These strip-shaped sections of iron core
Shape be asymmetric structure.
The shape of the pole-face of the iron core is rectangle, and section of the polar front shape of iron core relative to the These strip-shaped sections of iron core
Shape be unilateral structure.
The shape of the pole-face of the iron core is round, ellipse or key-shaped.
The shape of the pole-face of the iron core is abnormity.
A kind of relay, including the magnetic circuit system.
Compared with prior art, the beneficial effects of the present invention are:
Iron core is integrally molded so as bar shape using mold due to using by the present invention, in one end of bar shape also one
It is body formed to have pole-face;The These strip-shaped sections of iron core form the first, second bending part by twice bended and constitute U-shape, coil
Cooperation makes the U-shaped mouth of the U-shape can be used in the armature for cooperating relay in the iron core of U-shape.Of the invention this
Kind magnetic circuit system is only cored, and iron core is curved the structure of magnetic circuit needs by bending, instead of magnetic conductive part yoke, can not have to use yoke
Iron part can also reduce with magnetic circuit system (such as the riveting of yoke and iron core of relevant process portion while reducing cost
It connects);And it is integrally formed that the polar area of iron core can be done to the first-pass yield after the assembling for being conducive to product greatly, reduce assembly
And the time of adjustment, while improving production efficiency.It is that cost is relatively low, process is less, magnetic permeability is compared with high, polar area is big for one kind
Magnetic structure.
Invention is further described in detail with reference to the accompanying drawings and embodiments;But of the invention a kind of is cored
Magnetic circuit system and its relay are not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the organigram of the magnetic circuit system of the invention of embodiment one (enameled wire is not shown);
Fig. 2 is the cross-sectional view of the magnetic circuit system of the invention of embodiment one (enameled wire is not shown);
Fig. 3 is the organigram of the iron core of the invention of embodiment one (before bending);
Fig. 4 is the main view of the iron core of the invention of embodiment one (before bending);
Fig. 5 is the schematic diagram of the pole-face of the iron core of the invention of embodiment one;
Fig. 6 is the schematic diagram of the iron core of the invention of embodiment one bending for the first time;
Fig. 7 is second of schematic diagram bent of the iron core of the invention of embodiment one;
Fig. 8 is the schematic diagram of quasi- insertion coil (enameled wire is not shown) of the iron core of the invention of embodiment one;
Fig. 9 is the schematic diagram after iron core insertion coil (enameled wire is not shown) of the invention of embodiment one;
Figure 10 is the schematic diagram that the iron core of the invention of embodiment one bends (another way) for the first time;
Figure 11 is second of the iron core of the invention of embodiment one schematic diagram for bending (another way);
Figure 12 is the signal of quasi- insertion coil (enameled wire is not shown) (another situation) of the iron core of the invention of embodiment one
Figure;
Figure 13 is the schematic diagram of the pole-face of the iron core of the invention of embodiment two;
Figure 14 is the schematic diagram of the pole-face of the iron core of the invention of embodiment three;
Figure 15 is the schematic diagram of the pole-face of example IV iron core of the invention;
Figure 16 is the schematic diagram of the pole-face of the iron core of the invention of embodiment five;
Figure 17 is the schematic diagram of the pole-face of the iron core of the invention of embodiment six;
Figure 18 is the cross-sectional view of the magnetic circuit system of the invention of embodiment seven.
Specific embodiment
Embodiment one
Referring to figs. 1 to 5, a kind of cored magnetic circuit system of the invention, including coil 1 and iron core 2;It is described
Iron core 2 is using the integrally formed bar shape of mold, and in one end of bar shape also integrally formed with pole-face, i.e. iron core 2 wraps
Include These strip-shaped sections 21 and pole-face 22;The These strip-shaped sections 21 of iron core form the first bending part 23, the second bending part by twice bended
24 and U-shape is constituted, the cooperation of coil 1 can be used in the U-shaped mouth of the U-shape in the iron core 2 of U-shape
Cooperate the armature of relay;Coil 1 is made of bobbin 11 and enameled wire.
In the present embodiment, coil 1 cooperates between the second bending part 24 and the other end of iron core of iron core.
In the present embodiment, the section of the These strip-shaped sections 21 of iron core is rectangular shape.
In the present embodiment, the shape of the pole-face 22 of iron core 2 is rectangle, and bar shaped of the polar front shape of iron core relative to iron core
The shape in partial section is symmetrical structure (as shown in Figure 5).
When assembly, there are two kinds of modes, first way as shown in Figures 6 to 9 first carries out the These strip-shaped sections 21 of iron core 2
First time bends, and bending is greater than 90 degree (as shown in Figure 6) for the first time, then, then by second of the progress of These strip-shaped sections 21 of iron core 2
Bending, second of bending are equal to 90 degree (as shown in Figure 7), are then reloaded into coil 1 (as shown in Figure 8), then push pole-face again
To first time bending place (as shown in Figure 9), the first bending part 23 is made to be also equal to 90 degree, after installing as shown in Figure 1.
The These strip-shaped sections 21 of iron core 2 are first carried out first time bending as shown in Figure 10 to Figure 12 by the second way, and first
Secondary bending is equal to 90 degree (as shown in Figure 10), then, then the These strip-shaped sections 21 of iron core 2 is carried out second and are bent, second curved
Folding is equal to 90 degree (as shown in figure 11), is then reloaded into coil 1 (as shown in figure 12), after installing as shown in Figure 1.
If iron core may scrape enameled wire when being packed into coil, assembled using first way;If iron core is packed into
When coil will not scrape enameled wire, then assembled using the second way.
A kind of cored magnetic circuit system of the invention is integrally molded so as bar shaped shape using mold using by iron core 2
Shape, in one end of bar shape also integrally formed with pole-face 22;The These strip-shaped sections 21 of iron core form first, the by twice bended
Two bending parts 23,24 simultaneously constitute U-shape, and coil 1 cooperates in the iron core of U-shape, and enables the U-shaped mouth of the U-shape
It is enough in the armature of cooperation relay.This magnetic circuit system of the invention only cored 2, iron core 2 curves magnetic circuit needs by bending
Structure can not have to reduce while reducing cost with magnetic circuit using yoke part instead of magnetic conductive part yoke
The relevant process portion of system (such as yoke and the riveting of iron core etc.);And it is integrally formed 22 area of pole-face of iron core to be done
Greatly, the first-pass yield after being conducive to the assembling of product, reduces the time of assembly and adjustment, while improving production efficiency.Be it is a kind of at
The magnetic structure that this is lower, process is less, magnetic permeability is higher, polar area is big.
A kind of relay of the invention, including above-mentioned magnetic circuit system.
Embodiment two
It is shown in Figure 13, of the invention a kind of cored magnetic circuit system and its relay, not with embodiment one
It is with place, the shape of the pole-face of iron core 2 is not identical.
In the present embodiment, the shape of the pole-face 25 of iron core 2 is non-right relative to the shape in the section of the These strip-shaped sections of iron core
Title formula structure.
Embodiment three
It is shown in Figure 14, of the invention a kind of cored magnetic circuit system and its relay, not with embodiment one
It is with place, the shape of the pole-face of iron core 2 is not identical.
In the present embodiment, the shape of the pole-face 26 of iron core 2 is unilateral relative to the shape in the section of the These strip-shaped sections of iron core
Formula structure.
Example IV
It is shown in Figure 15, of the invention a kind of cored magnetic circuit system and its relay, not with embodiment one
It is with place, the shape of the pole-face of iron core 2 is not identical.
In the present embodiment, the shape of the pole-face 27 of iron core is circle.
Embodiment five
It is shown in Figure 16, of the invention a kind of cored magnetic circuit system and its relay, not with embodiment one
It is with place, the shape of the pole-face of iron core 2 is not identical.
In the present embodiment, the shape of the pole-face 28 of iron core is key-shaped.
Embodiment six
It is shown in Figure 17, of the invention a kind of cored magnetic circuit system and its relay, not with embodiment one
It is with place, the shape of the pole-face of iron core 2 is not identical.
In the present embodiment, the shape of the pole-face 29 of iron core is abnormity.
Embodiment seven
It is shown in Figure 18, of the invention a kind of cored magnetic circuit system and its relay, not with embodiment one
It is with place, the cooperation position of coil 1 is not identical.
In the present embodiment, coil 1 cooperates between the pole-face 22 of iron core and the first bending part 23 of iron core.
This fit system of the invention needs that first coil 1 is fitted into the These strip-shaped sections 21 of iron core, so in assembly
Carry out twice bended again afterwards, armature 3 then cooperates at the U-shaped mouth of iron core.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (9)
1. a kind of cored magnetic circuit system, including coil and iron core;It is characterized by: the iron core is using mold one
Molding bar shape, in one end of bar shape also integrally formed with pole-face, to be integrally formed using mold the characteristics of makes institute
Required shape and biggish area can be made by stating pole-face, and the area of the pole face portion of iron core is made to be completely out of These strip-shaped sections
Peripheral extent;The These strip-shaped sections of iron core form the first, second bending part by twice bended and constitute U-shape, the line
Circle cooperation makes the U-shaped mouth of the U-shape can be used in the armature for cooperating relay in the iron core of U-shape.
2. magnetic circuit system according to claim 1, it is characterised in that: the pole-face and iron core of the fitting coils in iron core
Between first bending part.
3. magnetic circuit system according to claim 1, it is characterised in that: the fitting coils iron core the second bending part with
Between the other end of iron core.
4. magnetic circuit system according to claim 1 or 2 or 3, it is characterised in that: the section of the These strip-shaped sections of the iron core is
Rectangular shape.
5. magnetic circuit system according to claim 4, it is characterised in that: the shape of the pole-face of the iron core is rectangle, and iron
The polar front shape of core is symmetrical structure relative to the shape in the section of the These strip-shaped sections of iron core.
6. magnetic circuit system according to claim 4, it is characterised in that: the shape of the pole-face of the iron core is rectangle, and iron
The polar front shape of core is asymmetric structure relative to the shape in the section of the These strip-shaped sections of iron core.
7. magnetic circuit system according to claim 4, it is characterised in that: the shape of the pole-face of the iron core is round, oval
Shape or key-shaped.
8. magnetic circuit system according to claim 4, it is characterised in that: the shape of the pole-face of the iron core is abnormity.
9. a kind of relay, it is characterised in that: including the magnetic circuit system as described in any claim in claim 1 to 8.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610783977.4A CN106252161B (en) | 2016-08-31 | 2016-08-31 | A kind of cored magnetic circuit system and its relay |
DE112017004294.1T DE112017004294T5 (en) | 2016-08-31 | 2017-08-31 | Magnetic circuit system having only one iron core, and relays therefor |
PCT/CN2017/099984 WO2018041227A1 (en) | 2016-08-31 | 2017-08-31 | Magnetic circuit system only having iron core, and relay therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610783977.4A CN106252161B (en) | 2016-08-31 | 2016-08-31 | A kind of cored magnetic circuit system and its relay |
Publications (2)
Publication Number | Publication Date |
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CN106252161A CN106252161A (en) | 2016-12-21 |
CN106252161B true CN106252161B (en) | 2019-03-05 |
Family
ID=58080277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610783977.4A Active CN106252161B (en) | 2016-08-31 | 2016-08-31 | A kind of cored magnetic circuit system and its relay |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN106252161B (en) |
DE (1) | DE112017004294T5 (en) |
WO (1) | WO2018041227A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106252161B (en) * | 2016-08-31 | 2019-03-05 | 漳州宏发电声有限公司 | A kind of cored magnetic circuit system and its relay |
EP3570302B8 (en) * | 2018-05-18 | 2021-08-04 | Tyco Electronics Austria GmbH | Yoke assembly for a magnetic switching device, such as a relay, magnetic assembly, and magnetic switching device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0226907A2 (en) * | 1985-12-17 | 1987-07-01 | Hengstler Bauelemente GmbH | Relay |
CN2383205Y (en) * | 1999-08-22 | 2000-06-14 | 厦门宏发电声有限公司 | Low height small type large power elecromagnetic relay |
CN203288529U (en) * | 2013-05-13 | 2013-11-13 | 安徽省明光市爱福电子有限公司 | Magnetic circuit structure with integrated yoke and iron core |
CN206022240U (en) * | 2016-08-31 | 2017-03-15 | 漳州宏发电声有限公司 | Only cored magnetic circuit system and its relay |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU466568A1 (en) * | 1969-09-16 | 1975-04-05 | Предприятие П/Я А-7147 | Timed relay |
CN2733575Y (en) * | 2004-06-15 | 2005-10-12 | 厦门宏美电子有限公司 | An electromagnetic relay with low noise |
DE102007019684A1 (en) * | 2007-04-24 | 2008-11-06 | Tyco Electronics Austria Gmbh | Magnetic system for an electrical switching device |
CN201130642Y (en) * | 2007-07-20 | 2008-10-08 | 陕西群力电工有限责任公司 | Minitype high-power sealing DC electromagnetic relay |
CN203179801U (en) * | 2013-03-30 | 2013-09-04 | 江苏正启电气有限公司 | Miniature relay |
CN103367046B (en) * | 2013-05-31 | 2016-08-24 | 漳州宏发电声有限公司 | A kind of small size magnetic keeps power relay |
CN106252161B (en) * | 2016-08-31 | 2019-03-05 | 漳州宏发电声有限公司 | A kind of cored magnetic circuit system and its relay |
-
2016
- 2016-08-31 CN CN201610783977.4A patent/CN106252161B/en active Active
-
2017
- 2017-08-31 DE DE112017004294.1T patent/DE112017004294T5/en active Pending
- 2017-08-31 WO PCT/CN2017/099984 patent/WO2018041227A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0226907A2 (en) * | 1985-12-17 | 1987-07-01 | Hengstler Bauelemente GmbH | Relay |
CN2383205Y (en) * | 1999-08-22 | 2000-06-14 | 厦门宏发电声有限公司 | Low height small type large power elecromagnetic relay |
CN203288529U (en) * | 2013-05-13 | 2013-11-13 | 安徽省明光市爱福电子有限公司 | Magnetic circuit structure with integrated yoke and iron core |
CN206022240U (en) * | 2016-08-31 | 2017-03-15 | 漳州宏发电声有限公司 | Only cored magnetic circuit system and its relay |
Also Published As
Publication number | Publication date |
---|---|
WO2018041227A1 (en) | 2018-03-08 |
DE112017004294T5 (en) | 2019-05-23 |
CN106252161A (en) | 2016-12-21 |
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