CN201766250U - Module type electric connector - Google Patents
Module type electric connector Download PDFInfo
- Publication number
- CN201766250U CN201766250U CN2010205211608U CN201020521160U CN201766250U CN 201766250 U CN201766250 U CN 201766250U CN 2010205211608 U CN2010205211608 U CN 2010205211608U CN 201020521160 U CN201020521160 U CN 201020521160U CN 201766250 U CN201766250 U CN 201766250U
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- CN
- China
- Prior art keywords
- circuit board
- electric connector
- interior circuit
- modular electric
- insulation shell
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- 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.)
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Abstract
A modular electric connector is principally composed of an insulated housing, an interval circuit board and a shielding housing. The insulated housing includes a buttjunction space and an accepting space which are used for accepting a buttjunction connector and the inter circuit board respectively, wherein the buttjunction space and the accepting space are separated by a division wall. The interval circuit board is provided with a plurality of common-mode choke coils and transformers, each transformer is formed by enwinding a conductor on an iron core, the conductor of the conductor is electrically connected to an appropriate joint of the interval circuit board, each common-mode choke coil is composed of a lamination type coil, which can be welded to an appropriate joint of the interval circuit board by a surface adhesive technology, and the joints of the interval circuit board are connected through electric circuit wirings. The insulated housing is approximately coated to the outer margins of the insulated housing and the interval circuit board. According to the utility model, a whole volume of the module type electric connector is reduced, cost of manufacture is reduced, and electric modules of the module type electric connector are easy to produce in bulk.
Description
Technical field
The utility model relates to a kind of modular electric connector that is used in transmission Ethernet electronic signal, refers in particular to a kind of modular electric connector that is provided with lamination type pottery coil.
Background technology
The modular electric connector has been widely used in data exchange system always since exploitation, a kind of modular electric connector of the RJ-45 of being called type then is applied to internet transmission system.Yet along with computer miniaturization development trend, all associated electronic components comprise that electric connector also must reduce its size thereupon, and when size reduced, some negative consequences and problem also produced relatively.
When the modular electric connector was applied to the low frequency signal transmission, the electrical couplings that produces between adjacent elements influenced little being left in the basket because of it to system works.When the modular electric connector is applied to high-frequency signal transmission, the electrical couplings that produces between adjacent elements will be to producing very big influence in the system, for example in Switching Power Supply, because the curtage in rectifier diode and filter capacitor and the inductance sharply changes, be easy to generate electromagnetic interference (Electro-Magnetic Interference, EMI) or noise (Noise), import simultaneously and also have the high order harmonic component noise in the power supply, these disturb if do not controlled, to cause damage to load equipment or Switching Power Supply itself, especially high frequency Ethernet high frequency signals transmitted is quite responsive for electromagnetic interference; Yet generally be used for connecting or the cable of carry high frequency Ethernet is that unshielded twisted pair (Unshielded Twisted Pair Cable, UTP cable) with a kind of low price is as transmission medium.This UTP cable does not have metal screen layer, therefore when high-frequency signal during in this unshielded twisted pair transmission, this unshielded twisted pair can't provide effective electromagnetic wave shielding, cause that high frequency signals transmitted is easy to influence each other with other electron component and then produce noise (Noise) in this unshielded twisted pair, it is generally higher to carry out the EMI test number when making the product volume production.
For overcoming the defective that this unshielded twisted pair is subject to disturb, usually at high frequency Ethernet module electric connector, be called device one electronics secondary module in the RJ-45 electric connector again, carry out trap signal with this electronics secondary module.This electronics secondary module is made up of a plurality of electronic component on an interior circuit board and this interior circuit board, utilizes electronic circuit and each electronic component filtering high frequency common mode noise (Common Mode Noise) on this interior circuit board.In a plurality of electronic components of this electronics secondary module, main with common mode choke coil (Common Mode Choke Coil) and transformer (Transformer), all the other electronic components also comprise resistance, electric capacity, inductance or other associated electronic components.
As shown in Figure 7, the U.S. the 7th, 044, No. 750 a kind of module electric connectors of patent disclosure.This module electric connector mainly is made up of an insulation shell A, an electronics secondary module B and a shield shell C.This insulation shell A mainly is made up of a main body A 1 and an auxiliary frame A2, and the main body A 1 of this insulation shell A has a butt joint opening A11, and this butt joint opening A11 can accommodate a butt joint electric connector (not indicating in the diagram).The auxiliary frame A2 of this insulation shell A is the main body A 1 that is assembled in this insulation shell A, and this auxiliary frame A2 has an accommodation space A21, and the accommodation space A21 of this auxiliary frame A2 can hold this electronics secondary module B.This electronics secondary module B is made up of one group of butt joint terminal B1, first circuit board B2, a carrying box body B3, a second circuit board B4 and one group of splicing ear B5.Respectively this butt joint terminal B1 one end of this electronics secondary module B extends into the butt joint opening A11 of this insulation shell A, and respectively this butt joint terminal B1 other end is to be welded on this first circuit board B2.This carrying box body B3 goes up device a plurality of intermediate terminal B31 and a plurality of electronic coil B32, respectively this intermediate terminal B31 two ends are electrically connected this first circuit board B2 and second circuit board B4 respectively, this two circuit board B2, B4 are electrically conducted, and each electronic coil B32 of this electronics secondary module B is entwined respectively by a plurality of lead B321.Respectively a plurality of lead B321 of this electronic coil B32 are wound in suitable intermediate terminal B31 respectively, and making respectively, this electronic coil B32 has the electrical characteristic of common mode choke coil or transformer respectively.Respectively the end of this splicing ear B5 is welded in this second circuit board B4 respectively, and respectively the other end of this splicing ear B5 extends this electronics secondary module B respectively.This shield shell C roughly coats this insulation shell A and this electronics secondary module B, to protect this insulation shell A and this electronics secondary module B, makes this electronics secondary module B not be subjected to the external electromagnetic wave interference.
In the disclosed prior art of Fig. 7, a plurality of electronic coil B32 of this electronics secondary module B are respectively this intermediate terminal B31 that respectively lead B321 are wound on this carrying box body B3, respectively this intermediate terminal B31 two ends are electrically connected this first circuit board B2 and this second circuit board B4 more respectively, because respectively this intermediate terminal B31 and this two circuit board B2, B4 accounts for the inner quite space of this carrying housing B3, make this electronics secondary module B overall volume to dwindle, moreover, this electronic coil B32 is when volume production is made, be wound in iron core after needing earlier the umber of turn of lead B321 and line directly determined, terminal suitably correspondence with lead B321 is welded in respectively this intermediate terminal B31 again, can't utilize machine to carry out the welding of automation surface, need utilize the skilled manpower of production line suitably to compare configuration in addition, and then the manufacturing cost when increasing volume production, therefore be necessary this is improved.
Summary of the invention
Main purpose of the present utility model is to provide a kind of modular electric connector, and its overall volume is more dwindled, and manufacturing cost is lowered, and the electronic coil of this modular electric connector can utilize surface mount technology (SMT; Surface mount technology) welds, the easier quilt of electronics secondary module of this modular electric connector is produced in batches.
Because in the technology disclosed in the utility model, this electronics secondary module needn't be electrically connected respectively this electronic coil and circuit board with intermediate terminal, so distinguishes mutually with the electronics secondary module of prior art with interior circuit board one speech below this specification.Can dispose electronic circuit and a plurality of electronic component on the interior circuit board of the present utility model, these electronic components can be electronic impedance elements such as common mode choke coil, transformer, resistance, electric capacity and inductance.
Modular electric connector disclosed in the utility model mainly is made up of an insulation shell, an interior circuit board and a shield shell.This insulation shell has a butt joint space and an accommodation space, the butt joint space of this insulation shell can be accommodated a butt joint electric connector and be inserted coupling, the accommodation space of this insulation shell is enough to hold this interior circuit board at least, and the butt joint space of this insulation shell and accommodation space roughly are to be separated by a division wall, make this butt joint electric connector can't pass this division wall and enter this accommodation space, and then influence the arrangements of components of this accommodation space.Have electronic circuit and a plurality of electronic component on this interior circuit board, these a plurality of electronic components can be to comprise a plurality of common mode choke coils and a plurality of transformer, respectively this common mode choke coil is made up of the lamination type coil, respectively this transformer is to twine iron core by lead or enamelled wire to form, respectively this common mode choke coil and each transformer are the suitable contacts that is electrically connected on this interior circuit board respectively, that is respectively the lead of this transformer (enamelled wire) end is respectively equipped with joint, respectively this lead (enamelled wire) joint is electrically connected (for example welding) in the suitable contact of this interior circuit board, respectively this common mode choke coil is owing to be that the lamination type coil is formed, and this lamination type coil can be formed by the ceramic material encapsulation, therefore the two ends, the left and right sides on the same surface of lamination type pottery coil can be utilized surface mount technology SMT (Surface mount technology) part be mounted on the suitable contact of this interior circuit board, connect respectively this contact by the wiring of the electronic circuit on this interior circuit board, this shield shell roughly is coated on this insulation shell and this interior circuit board outer rim.
In the preferred embodiment of above-mentioned modular electric connector, a plurality of electronic components on this interior circuit board comprise at least one electric capacity, at least one resistance or at least one inductance.This insulation shell is provided with at least one light-emitting diode.
Because respectively this transformer also must be tested by sample on making, can confirm the reliability that designs, therefore the difference of manufacture craft also will cause the different of inductance parameters and then influence filter effect, in view of this, transformer of the present utility model is wound in the iron core except utilizing lead or enamelled wire, also can be made up of the lamination type coil; Respectively this common mode choke coil and each transformer need not adopt intermediate terminal to be electrically connected on this interior circuit board with canoe, therefore the electronic circuit area on can smart real this interior circuit board, dwindle the overall dimensions of this modular electric connector, and can utilize vacuum cup to locate automation again and mount this lamination type pottery coil, effectively save factory's cost of human resources, the consistency of product quality when promoting volume production.
Description of drawings
Fig. 1 finishes stereo appearance figure for the utility model assembling.
Fig. 2 is the front view of Fig. 1.
Fig. 2 A is an AA profile among Fig. 2.
Fig. 3 is the three-dimensional exploded view of Fig. 1.
Fig. 3 A is the three-dimensional exploded view at another visual angle of Fig. 1.
Fig. 4 is the utility model interior circuit board and electronic component end view.
Fig. 4 A is the stereo appearance figure of Fig. 4.
Fig. 5 is the interior circuit board of Fig. 4 and the electronic circuitry of electronic component.
Fig. 6 is the schematic diagram of lamination type coil.
Fig. 6 A is the three-dimensional exploded view of lamination type coil.
Fig. 7 is a United States Patent (USP) the 7th, 044, No. 750 application case three-dimensional exploded views.
Wherein, description of reference numerals is as follows:
Iron core 213 contacts 22
Procapsid 31 back casings 32
The main portion of laminate 4 coils 10
Coil-conductor 51 extraction electrodes 52
First ferrite lamina, 25 second ferrite laminas 26
The 3rd ferrite thin slice 27 via conductors 28
Embodiment
Shown in Fig. 1, Fig. 2 and Fig. 2 A, the utility model is relevant for a kind of modular electric connector, and this modular electric connector mainly is made up of an insulation shell 1, an interior circuit board 2 and a shield shell 3.This insulation shell 1 is provided with butt joint space 11, a division wall 12 and an accommodation space 13, and the butt joint space 11 of this insulation shell 1 can be accommodated a butt joint electric connector (not indicating in the diagram) and be inserted coupling.The division wall 12 of this insulation shell 1 makes this butt joint electric connector (not indicating in the diagram) can not pass through the butt joint space 11 of this insulation shell 1 and enter this accommodation space 13 in order to stop this butt joint electric connector (not indicating in the diagram).The accommodation space 13 of this insulation shell 1 can hold this interior circuit board 2, and this insulation shell 1 and this interior circuit board 2 skins are to coat protection with a shield shell 3, influences the transmission of inner high-frequency signal with isolated external electromagnetic wave interference.
As Fig. 4, Fig. 4 A and shown in Figure 5, have suitable electronic circuit (not indicating in the icon) and a plurality of electronic component 21 on this interior circuit board 2.In the present embodiment, these a plurality of electronic components 21 mainly comprise four transformers 211 and eight common mode choke coils 212 on the interior circuit board 2, respectively this transformer 211 is the center with iron core 213, it is with cost that iron core 213 materials and size are chosen, allow loss and installing space etc. to make Consideration, respectively this transformer 211 is to use conventional wires 2111 (enamelled wire) to be entwined behind definite number of turn and line footpath along iron core 213 peripheries, respectively 212 of this common mode choke coils are to be formed by lamination type coil 2121, respectively to have frequency characteristic good for this lamination type coil 2121, be easy to the little advantage of chipization and volume, be widely used in high-frequency electronic product and small-sized portable electric product, wherein in 3C Product, in the majority with the communications electronics product, be information electronic product and consumption electronic products secondly.
Respectively this lamination type coil 2121 can be formed by the ceramic material encapsulation, it can cooperate the design of electronic circuits on the interior circuit board 2, select lamination type coil 2121 configurations of appropriate size for use, as shown in Figure 6, respectively this lamination type coil 2121 has: the main portion 4 of laminate, and it is formed by first ferrite that inside is equipped with coil 10; And laminate end 5, its second ferrite by the both ends that are formed at coil axes direction A (top and the bottom) is formed, and is provided with outer electrode 23 in the left and right end portions of lamination type coil 2121.Specifically, as shown in Figure 6A, this lamination type coil 2121 will be formed with first ferrite lamina 25 of coil-conductor 51 and extraction electrode 52, second ferrite lamina 26 of coil-conductor 51 that is formed with specific pattern and patternless the 3rd ferrite thin slice 27 lamination in addition, and each coil-conductor 51 forms spiral coil 10 via the via conductors 28 that is formed at an end.
As Fig. 4, Fig. 4 A and shown in Figure 5, respectively this transformer 211 utilizes its lead 2111 (enamelled wire) end fitting, be welded in the suitable contact 22 of this interior circuit board 2, respectively this common mode choke coil 212 is owing to be that lamination type coil 2121 is formed, therefore can conveniently utilize surface mount technology SMT (Surface mounttechnology) to utilize vacuum cup to set the appropriate location by computer, choose lamination type coil 2121 two ends of this lamination type coil 2121 again in the face of this interior circuit board 2, part is welded in the suitable contact 22 of this interior circuit board 2, arrangements of components by electronic circuit on this interior circuit board 2, make this interior circuit board 2 can carry out specific function, for example: filter and remove the unnecessary noise that produces by the external world.
The utility model aforementioned open in, electronic component 21 on this interior circuit board 2 is except common mode choke coil 212 and transformer 211 that right quantity can be set, still can cooperate the circuit design of interior circuit board 2 to add traditional electronic impedance elements such as resistance, electric capacity and inductance, wherein the induction reactance value of common mode inductance is relevant with the noise band and the cooperation capacitance of palpus filtering.As shown in Figure 5, electronic circuit arrangement on electronic circuit on this interior circuit board 2 and the kind of each electronic component 21, quantity and this interior circuit board 2 because of the module electric connector according to the different differences to some extent of actual demand, the electronic circuit arrangement in the utility model icon is only with a kind of high frequency Ethernet module electric connector illustration that transmits the 1GHz signal.
As Fig. 1, Fig. 3, Fig. 3 A and shown in Figure 5, in the utility model preferred embodiment, these a plurality of electronic components 21 are to be example with four transformers and eight common mode choke coils on this interior circuit board 2, and the utility model preferred embodiment each the diagram in respectively this transformer 211 be respectively to be wound in iron core 213 with three leads 2111, therefore respectively these transformer 211 inputs and output connect three contacts 22 respectively, all corresponding in addition two lamination type coils 2121 of this transformer 211 respectively, owing to be ground contact 221 in the middle of this transformer 211 respectively, therefore respectively the relatively respectively two ends, the left and right sides of this transformer 211 are located in contact 22 positions of this lamination type coil 2121, respectively this transformer 211 and each lamination type coil 2121 between utilize the mode of electronic circuit wiring to be electrically connected respectively this contact 22 mutually again, to reach this common mode choke coil 212 and this transformer 211 in the opering characteristic of electric apparatus of this interior circuit board 2.Certainly, the difference of manufacture craft may cause the different of inductance parameters and then influence filter effect when avoiding winding the line, and respectively this transformer 211 also can be made up of lamination type coil 2121.
The electronic circuit that general high-frequency electronic signal passes through all requires end need establish earthed circuit, therefore also designs a kind of design that utilizes this shield shell 3 with these interior circuit board 2 ground connection in technology disclosed in the utility model.Shield shell 3 among the utility model embodiment is made up of a procapsid 31 and a back casing 32, this back casing 32 extends an elastic arm 321 towards this interior circuit board 2, and this interior circuit board 2 is provided with a suitable ground contact 221 corresponding to these elastic arm 321 places of this back casing 32, then when this back casing 32 is assembled in this insulation shell 1, the ground contact 221 of elastic arm 321 these interior circuit boards 2 of contact of this back casing 32 makes this back casing 32 have identical zero potential with the ground contact 221 of this interior circuit board 2.When the back casing 32 of this shield shell 3 was electrically connected to a certain system earth circuit (not indicating in the icon), therefore the ground contact 221 of this interior circuit board 2 presented identical zero potential with earthed circuit (not indicating in the icon).
Though the utility model preferred embodiment openly as above; so it is not in order to limit claim of the present utility model; any those skilled in the art; under the prerequisite that does not break away from spirit and scope of the present utility model; change and retouching when doing it, and protection range of the present utility model with claims the person of being defined be as the criterion.
Claims (8)
1. modular electric connector, this modular electric connector is mainly by an insulation shell, one interior circuit board and a shield shell are formed, this insulation shell has a butt joint space and an accommodation space, the butt joint space of this insulation shell can be accommodated a butt connector and be inserted coupling, the accommodation space of this insulation shell is enough to hold this interior circuit board at least, the butt joint space of this insulation shell and accommodation space are to be separated by a division wall, have a plurality of electronic components on this interior circuit board, a plurality of electronic components on this interior circuit board comprise a plurality of common mode choke coils and a plurality of transformer at least, respectively this transformer is made up of lead winding iron core, respectively the lead of this transformer is electrically connected on the suitable contact of this interior circuit board, this shield shell is to be coated on this insulation shell and this interior circuit board outer rim, it is characterized in that: respectively this common mode choke coil on this interior circuit board is made up of the lamination type coil, respectively this common mode choke coil is connected respectively this contact by the suitable contact of surface mount in this interior circuit board by the wiring of the electronic circuit on this interior circuit board.
2. modular electric connector as claimed in claim 1, wherein respectively the lamination type coil of this common mode choke coil is formed by the ceramic material encapsulation, and it can utilize surface mount technology to be mounted on the suitable contact of this interior circuit board.
3. modular electric connector as claimed in claim 2, wherein respectively the left and right sides two end portions on the same surface of this common mode choke coil is mounted on the suitable contact of this interior circuit board.
4. modular electric connector as claimed in claim 1, wherein respectively this transformer also can be made up of the lamination type coil.
5. modular electric connector as claimed in claim 1, wherein a plurality of electronic components on this interior circuit board also comprise at least one electric capacity.
6. modular electric connector as claimed in claim 1, wherein a plurality of electronic components on this interior circuit board also comprise at least one resistance.
7. modular electric connector as claimed in claim 1, wherein a plurality of electronic components on this interior circuit board also comprise at least one inductance.
8. modular electric connector as claimed in claim 1, wherein the insulation shell of this modular electric connector also further is provided with at least one light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205211608U CN201766250U (en) | 2010-09-07 | 2010-09-07 | Module type electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205211608U CN201766250U (en) | 2010-09-07 | 2010-09-07 | Module type electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766250U true CN201766250U (en) | 2011-03-16 |
Family
ID=43718856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205211608U Expired - Fee Related CN201766250U (en) | 2010-09-07 | 2010-09-07 | Module type electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201766250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183992A (en) * | 2013-05-20 | 2014-12-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
-
2010
- 2010-09-07 CN CN2010205211608U patent/CN201766250U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183992A (en) * | 2013-05-20 | 2014-12-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| US9350122B2 (en) | 2013-05-20 | 2016-05-24 | Hon Hai Precision Industry Co., Ltd. | Electrical connector having surface mount transformers |
| CN104183992B (en) * | 2013-05-20 | 2017-02-08 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20160907 |