CN103489577B - The magnet structure of electromagnetic induction plugs and sockets - Google Patents
The magnet structure of electromagnetic induction plugs and sockets Download PDFInfo
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- CN103489577B CN103489577B CN201310446684.3A CN201310446684A CN103489577B CN 103489577 B CN103489577 B CN 103489577B CN 201310446684 A CN201310446684 A CN 201310446684A CN 103489577 B CN103489577 B CN 103489577B
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Abstract
A magnet structure for electromagnetic induction plugs and sockets, belongs to the ferrite technical field of electronic apparatus.Comprise in a state of use for the secondary of housing inserting and primary coil core body, secondary coil core body comprises first, second semicircle magnetic lobe, form First Line ring framework at the middle part of the short transverse of the first semicircle magnetic lobe and towards the side of the second semicircle magnetic lobe and hold cavity, form the second coil rack at the middle part of the short transverse of the second semicircle magnetic lobe and towards the side of the first semicircle magnetic lobe and hold cavity; Primary coil core body comprises core post, the first coil definition dish and the second coil definition dish, and the first coil definition dish is positioned at one end of core post, and the second coil definition dish is positioned at the other end of core post.Not only can remarkable simplified structure, and can fast and easily with housing inserting and have respectively to secondary coil and the desirable restriction effect of primary coil.
Description
Technical field
The invention belongs to the ferrite technical field of electronic apparatus, be specifically related to a kind of magnet structure of electromagnetic induction plugs and sockets.
Background technology
Above mentioned electromagnetic induction plugs and sockets is a kind ofly able to the parts of electromagnetic coupled mode (or claiming electromagnetic coupled principle) electric energy transmitting without the need to being connected by the electrical contact of metallic conductor, this parts have the good strong point of fail safe, such as there will not be when light fixture, electric tool for frequently movement and cause electric shock accidents because of electric leakage, the light fixture of frequent movement as with the illuminating lamp of industrial and mining enterprises' equipment, projection lamp, underwater operation lamp, the subaqual landscape lamp in aquarium, the fountain establishment landscape lamp in photography place, etc.
Be made up of from known its of the literal paraphrase of above mentioned electromagnetic induction plugs and sockets plug and socket two parts, and plug plugs with socket and coordinates, plug by plug casing, be arranged on plug magnetic core in plug casing and the plug coil of winding on plug magnetic core (lead-out wire of plug coil and circuit board are electrically connected, and circuit board and power input line are electrically connected) forms; Socket by Socket casing, the socket magnetic core be arranged in Socket casing, be arranged with coil and the socket coil (lead-out wire of socket coil and straightening and filtering unit are electrically connected, and straightening and filtering unit and power supply output line are electrically connected) be arranged in socket magnetic core form.
Technical information about electromagnetic induction plugs and sockets can be seen in disclosed Chinese patent literature, typically as " the induction type plug assembly " of application for a patent for invention publication number CN102447200A recommendation, although this patent application scheme has specification the 0007th section of famous technique effect, but there is the shortcoming of attending to one thing and lose sight of another, so-called Gu this be the structure that take into account socket magnetic core (patent claims socket iron core) and be convenient to winding coil and be designed to U-shaped, so that by an input coil winding in the bottom of socket magnetic core, and by two output winding windings on the arm of the corresponding both sides of socket magnetic core, and so-called mistake that be plug magnetic core (patent claims plug iron core) adopted silicon steel sheet (patent claims magnet steel thin slice) stacked formation, be stacked to plug magnetic core by silicon steel sheet and not only make trouble, and cost is high.Especially, on the socket magnetic core that volume is restricted, the difficulty of winding input coil and two output windings (two output windings are communicating together) is large, unavoidably there is the situation of mutually interfering in winding process.And for example utility model patent Authorization Notice No. CN2200865Y " the induction type plugs and sockets " that provide, adopt two magnetic cores, one is the elementary magnetic core of E type for winding E type primary coil, another is the E type secondary magnetic core for winding E type secondary coil, one of shortcoming of this patent formula, no matter be the elementary magnetic core of E type as socket magnetic core or the structure relative complex of the E type secondary magnetic core as plug magnetic core, affect the winding efficiency of coil; Two, be often difficult to when elementary for E type magnetic core and E type secondary magnetic core are installed in housing location; Three, under normal circumstances, coil has a coil rack, to be arranged on magnetic core not only can to improve manufacture efficiency by coil rack together with coil, and the control be conducive to coil and protection, and the E-type magnetic core of this patent formula is difficult to meet this requirement; Four, be switched on or switched off with the magnetic circuit that whether coordinates of tongue tube owing to needing to rely on permanent magnet, the stability thus worked is difficult to guarantee, and causes complicated integral structure.
In view of above-mentioned prior art, be necessary to be improved, the applicant has done useful design for this reason, finally defines technical scheme described below.
Summary of the invention
Task of the present invention be to provide a kind of contribute to significantly simplifying secondary coil core body and primary coil core body structure, be conducive to making secondary coil core body and primary coil core body to make secondary coil core body reliably limit secondary coil and make primary coil core body to the magnet structure of the electromagnetic induction plugs and sockets that primary coil reliably limits easily with housing reliable fit and being of value to.
Task of the present invention has been come like this, a kind of magnet structure of electromagnetic induction plugs and sockets, comprise in a state of use for the secondary coil core body and primary coil core body with housing inserting, described secondary coil core body comprises the first semicircle magnetic lobe and the second semicircle magnetic lobe, first, second semicircle magnetic lobe faces each other cooperation, be configured with a First Line ring framework at the middle part of the short transverse of the first semicircle magnetic lobe and towards the side of the second semicircle magnetic lobe and hold cavity, be configured with one second coil rack at the middle part of the short transverse of the second semicircle magnetic lobe and towards the side of the first semicircle magnetic lobe and hold cavity, first, second coil rack holds cavity and corresponds to each other, described primary coil core body comprises core post, the first coil definition dish and the second coil definition dish, and the first coil definition dish is positioned at one end of core post, and the second coil definition dish is positioned at the other end of core post.
In a specific embodiment of the present invention, described secondary coil core body and primary coil core body are soft magnetic ferrite.
In another specific embodiment of the present invention, the first described coil definition dish is directly formed in one end of described core post, and the second described coil definition dish is directly formed in the other end of core post.
In another specific embodiment of the present invention, the first described coil definition dish is fixed on one end of described core post by mounting medium, and the second described coil definition dish is fixed on the other end of described core post equally by mounting medium.
In another specific embodiment of the present invention, when the first described coil definition dish is fixed on one end of described core post by described mounting medium and when being fixed on the other end of core post when the second described coil definition dish by described mounting medium simultaneously, be configured with a coil definition dish fixing hole in the middle position of the short transverse of described core post, and offer the restriction dish through hole corresponding with coil definition dish fixing hole at the middle position of the first coil definition dish and the second coil definition dish.
Also have in a specific embodiment of the present invention, described mounting medium is adhesive and/or screw.
More of the present invention and in a specific embodiment, on the outer wall of the first described coil definition dish and along the short transverse of the first coil definition dish, offer a pair first primary coils draw wire casing, these a pair first primary coils extraction wire casings are spaced 180 ° around the circumferencial direction of the first coil definition dish; On the outer wall of the second described coil definition dish and the short transverse that follow the second coil definition dish offers a pair second primary coils draws wire casings, these a pair second primary coils are drawn wire casings and are spaced 180 ° around the circumferencial direction of the second coil definition dish, and to draw wire casing corresponding with the first described primary coil.
In an of the present invention and then specific embodiment, described housing is configured with a level wound core body and inserts embedding chamber, and be configured with a primary coil core body and insert embedding chamber, secondary, primary coil core body inserts the separation insulated from each other of embedding chamber, described secondary coil core body and described secondary coil core body are inserted embedding chamber and are inserted scarf and close, and described primary coil core body and described primary coil core body are inserted embedding chamber and plugged and coordinate.
Of the present invention again more and in a specific embodiment, after first, second described semicircle magnetic lobe coordinates toward each other, first, second described coil rack holds the unitary circular chamber that cavity is configured to for jointly limiting secondary coil skeleton.
In an again of the present invention and then specific embodiment, described secondary coil skeleton is made up of insulating material, and secondary wire ring support chamber is configured at the middle part of this secondary coil skeleton, a level coil definition stack limit is respectively configured with in the upper and lower of secondary coil skeleton, limit on stack limit at secondary coil and be configured with a pair secondary coil lead-out wire guide feet, the circumferencial direction that this pair secondary coil lead-out wire guide feet limits stack limit around secondary coil is separated by 180 °.
Technical scheme provided by the invention is owing to being designed to the structure be fitted to each other by first, second semicircle magnetic lobe by secondary coil core body, and primary coil core body is designed to the dumbbell shaped structure be made up of core post, the first coil definition dish and the second coil definition dish, thus not only can remarkable simplified structure, and can fast and easily with housing inserting and have respectively to secondary coil and the desirable restriction effect of primary coil.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention and application examples schematic diagram.
The detailed structure view of the second semicircle magnetic lobe that Fig. 2 is the secondary coil core body shown in Fig. 1.
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Embodiment 1:
Refer to Fig. 1 and Fig. 2, figure 1 illustrates a housing 3, this housing 3 by insulating material as plastic production, show in a state of use namely in the condition shown in figure 1 with a level wound core body 1 and the primary coil core body 2 of housing 3 inserting, this secondary coil core body 1 and primary coil core body 2 are soft magnetic ferrite.
Aforesaid secondary coil core body 1 comprises the first semicircle magnetic lobe 11 and the second semicircle magnetic lobe 12, this is first years old, second semicircle magnetic lobe 11, 12 face each other cooperation, be configured with a First Line ring framework at the middle part of the short transverse of the first semicircle magnetic lobe 11 and towards the side of the second semicircle magnetic lobe 12 and hold cavity 111, be configured with one second coil rack accommodation cavity 121(Fig. 2 to show at the middle part of the short transverse of the second semicircle magnetic lobe 12 and towards the side of the first semicircle magnetic lobe 11), first, second coil rack holds cavity 111, 121 correspond to each other, and first, second semicircle magnetic lobe 11, 12 is after coordinating face-to-face behind location on aforesaid housing 3, first, second coil rack holds cavity 111, 121 circular cavities that just formation one is complete, so that to the secondary coil shown in Fig. 1 with there being frame 4 to limit.
Overall structure or the title global shape of primary coil core body 2 are dumbbell shaped, this primary coil core body 2 comprises core post 21, first coil definition dish 22 and the second coil definition dish 23 specifically, because core post 21 is for winding primary coil, primary coil winding post thus can be referred to as.In the present embodiment, the first coil definition dish 22 is directly formed in one end (upper end of state shown in Fig. 1) of core post 21, and the second coil definition dish 23 is directly formed in the other end (lower end of state shown in Fig. 1) of core post 21.The concept of said here " directly forming " refers to that first, second coil definition dish 22,23 and core post 21 are integrally molded into base and one sinter molding.
Preferably, on the outer wall of aforesaid first coil definition dish 22 and along the short transverse of the one the first coil definition dishes 22, offer a pair first primary coils draw wire casings 221, these a pair first primary coils extraction wire casings 221 are separated by 180 ° around the circumferencial direction of the first coil definition dish 22, form aspectant relation; On the outer wall of aforesaid second coil definition dish 23 and the short transverse that follow the second coil definition dish 23 offers a pair second primary coils draws wire casings 231, wire casings 231 around the circumferencial direction of the second coil definition dish 23 spaced 180 ° drawn by these a pair second primary coils, and to draw wire casing 221 corresponding with the first primary coil.
Also show a plug casing 5 in FIG, aforesaid primary coil core body 2 is housed inside in plug casing 5 in a state of use, and winding primary coil (not shown) in aforesaid core post 21 in a state of use, the primary coil lead-out wire (a pair) of primary coil is drawn wire casing 221 or the second primary coil extraction wire casing 231 to draw from aforesaid first primary coil and is electrically connected with circuit board (not shown), and circuit board and external power source input line are electrically connected, circuit board is preferably disposed on by (not shown in FIG.) in the jack shell body cavity of plug casing 5 top extension.
As shown in Figure 1, aforesaid housing 3 is configured with a level wound core body and inserts embedding chamber 31, and be configured with a primary coil core body and insert embedding chamber 32, secondary, primary coil core body inserts the separation insulated from each other of embedding chamber 31,32, aforesaid secondary coil core body 1 and secondary coil core body are inserted embedding chamber 31 and are inserted scarf and close, and aforesaid primary coil core body 2 is taken it by plug casing 5 after in aforesaid plug casing 5 and to be inserted embedding chamber 32 with primary coil core body and plug and coordinate being contained in.According to professional general knowledge, when elementary wound core body 2 insert primary coil core body insert embedding chamber 32 time, the magnetic loop of the primary coil of above mentioned winding in core post 21 and the secondary coil (not shown) on secondary coil skeleton 4 is formed, otherwise then disconnects.
As shown in Figure 1, first, second semicircle magnetic lobe 11,12 toward each other state be inserted into secondary coil core body and insert after in embedding chamber 31 and just define the common reliable unitary circular chamber limited of secondary coil skeleton 4.
Aforesaid secondary coil skeleton 4 adopts insulating material as mold formed in plastics, and secondary wire ring support chamber 41 is configured at the middle part of this secondary coil skeleton 4, secondary coil is set around on this secondary wire ring support chamber 41, again, a level coil definition stack limit 42 is respectively configured with in the upper and lower of secondary coil skeleton 4, and limit on stack limit 42 at each secondary coil and be configured with a pair secondary coil lead-out wire guide feet 421, the circumferencial direction that this pair secondary coil lead-out wire guide feet 421 limits stack limit 42 around secondary coil is separated by 180 °, namely aspectant position relationship is formed.
The secondary coil lead-out wire of the secondary coil of winding on secondary wire ring support chamber 41 causes housing 3(and is essentially Socket casing after to limit the secondary coil lead-out wire guide feet 421 on stack limit 42 by way of the secondary coil being positioned at bottom by way of secondary coil lead-out wire guide feet 421() secondary coil core body insert the lower space in embedding chamber 31, for being electrically connected with the current rectifying and wave filtering circuit device be contained in the aforementioned lower space of housing 3, and current rectifying and wave filtering circuit device and power supply output line are electrically connected.
Embodiment 2:
In the present embodiment, first coil definition dish 22 of aforementioned formation primary coil core body 2 and the second coil definition dish 23 form Split type structure with core post 21, namely by mounting medium, the first coil definition dish 22 is fixed on one end of core post 21, and by mounting medium, the second coil definition dish 22 is fixed on the other end of core post 21.
Because the present embodiment is, by mounting medium, first, second coil definition dish 22,23 aforementioned is incorporated into the two ends of core post 21 respectively, therefore be configured with a coil definition dish fixing hole 211 in the middle position of the short transverse of core post 21, and all offer the restriction dish through hole corresponding with coil definition dish fixing hole 211 at the middle position of the first coil definition dish 22 and the second coil definition dish 23.
When will by first, second coil definition plate 22,23 and core post 21 in conjunction with time, so just, there are following three kinds of combinations: one is pass through the first coil definition dish 22 as the adhesive of mounting medium and one end cementation of core post 21, sticks with glue agent by the other end cementation of the second coil definition dish 23 with core post 21; Two is adopt the mounting medium filled the post of by screw first, second coil definition dish 22,23 and core post 21 to be fixed as one in the position of aforementioned definition dish through hole corresponded on first, second coil definition dish 22,23 and the position of coil definition dish fixing hole 211; Three are by aforementioned two kinds of modes and use.All the other are all with the description to embodiment 1.
In sum, technical scheme provided by the invention, overcomes the shortcoming in prior art, completes invention task, the technique effect referred in the superincumbent technique effect hurdle of the objective applicant of embodying.
Claims (9)
1.
a kind of magnet structure of electromagnetic induction plugs and sockets, comprise in a state of use for the secondary coil core body (1) and primary coil core body (2) with housing (3) inserting, it is characterized in that described secondary coil core body (1) comprises the first semicircle magnetic lobe (11) and the second semicircle magnetic lobe (12), first, second semicircle magnetic lobe (11, 12) face each other cooperation, be configured with a First Line ring framework at the middle part of the short transverse of the first semicircle magnetic lobe (11) and towards the side of the second semicircle magnetic lobe (12) and hold cavity (111), be configured with one second coil rack at the middle part of the short transverse of the second semicircle magnetic lobe (12) and towards the side of the first semicircle magnetic lobe (11) and hold cavity (121), first, second coil rack holds cavity (111, 121) correspond to each other, described primary coil core body (2) comprises core post (21), the first coil definition dish (22) and the second coil definition dish (23), first coil definition dish (22) is positioned at one end of core post (21), and the second coil definition dish (23) is positioned at the other end of core post (21).
2.
the magnet structure of electromagnetic induction plugs and sockets according to claim 1, is characterized in that described secondary coil core body (1) and primary coil core body (2) are soft magnetic ferrite.
3.
the magnet structure of electromagnetic induction plugs and sockets according to claim 1, it is characterized in that the first described coil definition dish (22) is directly formed in one end of described core post (21), the second described coil definition dish (23) is directly formed in the other end of core post (21).
4.
the magnet structure of electromagnetic induction plugs and sockets according to claim 1, it is characterized in that the first described coil definition dish (22) is fixed on one end of described core post (21) by mounting medium, the same other end being fixed on described core post (21) by mounting medium of the second described coil definition dish (23).
5.
the magnet structure of electromagnetic induction plugs and sockets according to claim 4, when to it is characterized in that when the first described coil definition dish (22) is fixed on one end of described core post (21) by described mounting medium and to be fixed on the other end of core post (21) when the second described coil definition dish (23) by described mounting medium simultaneously, a coil definition dish fixing hole (211) is configured with in the middle position of the short transverse of described core post (21), and offer the restriction dish through hole corresponding with coil definition dish fixing hole (211) at the middle position of the first coil definition dish (22) and the second coil definition dish (23).
6.
the magnet structure of electromagnetic induction plugs and sockets according to claim 4, is characterized in that described mounting medium is adhesive and/or screw.
7.
the magnet structure of the electromagnetic induction plugs and sockets according to claim 1 or 3 to 5 arbitrary claims, it is characterized in that on the outer wall of the first described coil definition dish (22) and along the short transverse of the first coil definition dish (22), offer a pair first primary coils draws wire casing (221), these a pair first primary coils extraction wire casing (221) are spaced 180 ° around the circumferencial direction of the first coil definition dish (22); On the outer wall of the second described coil definition dish (23) and the short transverse that follow the second coil definition dish (23) offers a pair second primary coils draws wire casing (231), these a pair second primary coils are drawn wire casing (231) and are spaced 180 ° around the circumferencial direction of the second coil definition dish (23), and to draw wire casing (221) corresponding with the first described primary coil.
8.
the magnet structure of electromagnetic induction plugs and sockets according to claim 1, it is characterized in that described housing (3) is configured with a level wound core body and inserts embedding chamber (31), and be configured with a primary coil core body and insert embedding chamber (32), secondary, primary coil core body inserts embedding chamber (31, 32) separation insulated from each other, described secondary coil core body (1) and described secondary coil core body are inserted the slotting scarf in embedding chamber (31) and are closed, described primary coil core body (2) and described primary coil core body are inserted embedding chamber (32) and are plugged and coordinate.
9.
the magnet structure of electromagnetic induction plugs and sockets according to claim 1, it is characterized in that after first, second described semicircle magnetic lobe (11,12) coordinates toward each other, first, second described coil rack holds cavity (111,121) and is configured to for the unitary circular chamber to the common restriction of secondary coil skeleton (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446684.3A CN103489577B (en) | 2013-09-27 | 2013-09-27 | The magnet structure of electromagnetic induction plugs and sockets |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446684.3A CN103489577B (en) | 2013-09-27 | 2013-09-27 | The magnet structure of electromagnetic induction plugs and sockets |
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| Publication Number | Publication Date |
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| CN103489577A CN103489577A (en) | 2014-01-01 |
| CN103489577B true CN103489577B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310446684.3A Active CN103489577B (en) | 2013-09-27 | 2013-09-27 | The magnet structure of electromagnetic induction plugs and sockets |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110223830B (en) * | 2019-06-19 | 2020-10-16 | 武汉钢铁有限公司 | Framework structure for induction coil of embedded molten steel level sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273406A (en) * | 1978-12-28 | 1981-06-16 | Mitsuoka Electric Mfg. Co., Ltd. | Electrical cord adapter |
| CN2200865Y (en) * | 1994-06-13 | 1995-06-14 | 沈石龙 | Induction plug and socket |
| CN101667777A (en) * | 2009-09-30 | 2010-03-10 | 浙江大学 | Non-contact connecting device for transmitting underwater electric energy and signal |
| CN102447200A (en) * | 2010-10-14 | 2012-05-09 | 修武县电业公司 | Inductive plugging device |
| CN203456237U (en) * | 2013-09-27 | 2014-02-26 | 苏州冠达磁业有限公司 | Magnetic body structure of electromagnetic induction plug socket |
-
2013
- 2013-09-27 CN CN201310446684.3A patent/CN103489577B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273406A (en) * | 1978-12-28 | 1981-06-16 | Mitsuoka Electric Mfg. Co., Ltd. | Electrical cord adapter |
| CN2200865Y (en) * | 1994-06-13 | 1995-06-14 | 沈石龙 | Induction plug and socket |
| CN101667777A (en) * | 2009-09-30 | 2010-03-10 | 浙江大学 | Non-contact connecting device for transmitting underwater electric energy and signal |
| CN102447200A (en) * | 2010-10-14 | 2012-05-09 | 修武县电业公司 | Inductive plugging device |
| CN203456237U (en) * | 2013-09-27 | 2014-02-26 | 苏州冠达磁业有限公司 | Magnetic body structure of electromagnetic induction plug socket |
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| CN103489577A (en) | 2014-01-01 |
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