CN207719392U - A kind of three axis reception antennas - Google Patents
A kind of three axis reception antennas Download PDFInfo
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- CN207719392U CN207719392U CN201820003322.5U CN201820003322U CN207719392U CN 207719392 U CN207719392 U CN 207719392U CN 201820003322 U CN201820003322 U CN 201820003322U CN 207719392 U CN207719392 U CN 207719392U
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- magnetic core
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- axis
- conductive part
- packaging body
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Abstract
The utility model discloses a kind of three axis reception antennas, including magnetic core, the three groups of coils and packaging body that are wound on magnetic core, three groups of coils are spatially wound on three winding sections of magnetic core respectively mutually orthogonally, and the line end of each group of coil is connected to the counter electrode on magnetic core；Packaging body is to be packaged and formed to magnetic core and its coiling after the coiling for completing three groups of coils so that the magnetic core and coil are entirely located in the package interior；The bottom of packaging body has the conductive part of several double-side conductions, the quantity of conductive part is consistent with the quantity of the electrode on magnetic core, also, each electrode is connected with a wherein conducting surface for a corresponding conductive part, and another conducting surface of each conductive part is exposed to except packaging body.The utility model is will to be directly bonded with the enclosed chip with conductive part around the magnetic core for making coil, then carry out overall package with glue and then cut into single product, and line end is led to except packaging body by electrode connecting conductive portion.
Description
Technical field
The utility model is related to the communications fields, and in particular to a kind of three axis reception antennas.
Background technology
Application of the three axis reception antennas in automotive keyless entering system is more and more extensive, and three axis occurred in the market connect
It is also more and more to receive antenna type.For example, application No. is 201020281914.7 patent documents to disclose a kind of three axis reception
Antenna, although the three axis reception antenna can meet the basic use demand of automobile intelligent key, there are certain defects：It makes
Technique is more complex, low production efficiency；And copper wire lead riser is exposed outside, and periphery is protected by foamed sheet and plastic casing,
Reliability is relatively low, is unable to effective protection product.
In addition, most of three axis reception antenna of client couple often has different demands, need to match different pads, this is right
It needs to correspond to exploitation again for the producer of three axis reception antennas, increases the input of repetitive operation and cost.
The disclosure of background above technology contents is only used for auxiliary and understands present invention design and technical solution, not
The prior art for necessarily belonging to present patent application, no tangible proof show the above present patent application the applying date
Before have disclosed in the case of, above-mentioned background technology should not be taken to evaluation the application novelty and creativeness.
Utility model content
One of the utility model purpose is to propose that one kind is simple for assembly process, production efficiency is high, product is reliable
Property three axis reception antennas high and that be capable of flexible adaptation different clients demand.
In order to achieve the above object, one embodiment of the utility model proposes following technical scheme：
A kind of three axis reception antennas, including magnetic core, the three groups of coils and packaging body that are wound on magnetic core, three groups of lines
Circle is spatially wound on three winding sections of the magnetic core respectively mutually orthogonally, and the line end of each group of coil is connected to
Counter electrode on magnetic core；The packaging body be after the coiling for completing three groups of coils to magnetic core and its coiling into
Row is encapsulated and is formed so that the magnetic core and coil are entirely located in the package interior；If the bottom of the packaging body has
The conductive part of dry double-side conduction, the quantity of the conductive part is consistent with the quantity of the electrode on the magnetic core, also, every
One electrode is connected with a wherein conducting surface for a corresponding conductive part, and another conducting surface of each conductive part is exposed to the envelope
It fills except body.
Above-mentioned three axis reception antenna provided by the utility model is will first to draw in conducting wire coiling to magnetic core and by electrode
Go out, then will be packaged around the magnetic core for making coil, when encapsulation using can double-side conduction conductive part, avoid so existing
The still exposed defect except packaging body of line end of packaged rear coil in technology, but pass through one of conductive part conduction
Face to carry out patch use for client.With simple for assembly process, the high advantage of product reliability.
Description of the drawings
Fig. 1 is the three axis reception antenna schematic diagrames that one embodiment of the utility model provides；
Fig. 2 is the three axis reception antenna schematic diagrames that another embodiment of the utility model provides；
Fig. 3 is the naked core schematic diagram of Fig. 1 and three axis reception antenna shown in Fig. 2；
Fig. 4 is the schematic diagram around the magnetic core for making three groups of quadrature coils；
Fig. 5-1 is the substrate front schematic view that three axis reception antennas are used when being packaged shown in Fig. 1；
Fig. 5-2 is the schematic rear view of substrate shown in Fig. 5-1；
Fig. 6 is the batch attachment product schematic diagram that the utility model wherein embodiment provides；
Fig. 7-1 is the hardware terminal substrate schematic diagram that three axis reception antennas shown in Fig. 2 use when packaged；
Fig. 7-2 is the schematic rear view of substrate shown in Fig. 7-1；
Fig. 8 is the batch attachment product schematic diagram that wherein another embodiment of the utility model provides；
Specific implementation mode
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Specific embodiment of the present utility model provides a kind of three axis reception antennas, and with reference to figure 1 and Fig. 2, which receives
Three groups of loop As, B, C and the packaging body 20 (20 ') that antenna includes magnetic core 10, is wound on magnetic core 10.Three groups of coils are in space
Upper to be wound in respectively mutually orthogonally on three winding sections of magnetic core 10, the line end of each group of coil is connected on magnetic core
Counter electrode.The packaging body is packaged and shape to magnetic core and its coiling after the coiling for completing three groups of coils
At so that the magnetic core and coil are entirely located in the package interior.There are several two-sided to lead for the bottom of the packaging body
The quantity of logical conductive part, the conductive part is consistent with the quantity of magnetic core top electrode, also, each electrode is led with corresponding one
A wherein conducting surface in electric portion connects, and another conducting surface of each conductive part is exposed to except the packaging body.
Referring to figs. 1 to Fig. 3, for first to third winding section, the first winding section 11 is for three winding sections of the magnetic core 10
Perforative middle part skeleton, is wound with loop A thereon in magnetic core X-direction；Second winding section 12 by magnetic core Y direction it is convex for
Two skeletons of the middle part skeleton are constituted, and are wound with coil B thereon；Third winding section is made of the skeleton of magnetic core Z-direction,
It is wound with coil C thereon；Wherein, X-axis, Y-axis and Z axis are vertical two-by-two.Preferably, the third winding section is by being located at magnetic core four
Four Z axis skeletons 13 at angle are constituted, and about 13 each Z axis skeleton is separately connected an eaves platform, in the upper and lower faces of magnetic core
Eight eaves platforms are formed altogether, and the electrode of magnetic core is located therein on the eaves platform of one side.The electrode is to protrude from eaves platform surface
Boss electrode, or the metallized area for eaves platform surface.Such as shown in Fig. 3, for a kind of magnetic core of illustrative non-coiling
(i.e. naked core), for equably setting six electrodes a1, a2, b1, b2, c1 and c2 of six line ends extraction of three groups of coils respectively
In on three eaves platforms, with reference to Fig. 4, wherein around two line ends A1 and A2 of the loop A made be connected respectively to electrode a1 and
Two the line ends B1 and B2 of a2, coil B are connected respectively to electrode b1 and b2, and two line ends of coil C are connected respectively to electrode c1
And c2.Preferably, electrode and line end are connected by welding.
The three axis reception antennas that a kind of specific embodiment of the utility model provides are as shown in Figure 1, its packaging body 20 includes position
Glue package body in the encapsulation matrix 21 of magnetic core bottom and side and top；The conductive part of the double-side conduction is set to described
In encapsulation matrix；By the way that the magnetic core of three groups of coils of coiling is bonded with the encapsulation matrix so that electrode on magnetic core with set
Connect one to one in the conductive part in encapsulation matrix, and by glue package magnetic core side and top with the encapsulation matrix
Cooperatively form the packaging body.The encapsulation matrix for example can be a typical bilayer or multilayer pcb board, the double-side conduction
Conductive part be made of the weld part for being respectively arranged on pcb board front and back；Wherein, positive weld part for encapsulate when and magnetic
Electrode welding on core, the weld part at the back side is exposed to weld use for the three axis reception antenna when carrying out patch use.
Three axis reception antennas as shown in Figure 1 can take batch encapsulation to cut into the mode of single product again when making.Example
Such as, prepare a substrate 100 first, as shown in fig. 5-1, which is configured with multiple identical units 101, each
Unit 101 include it is consistent with the number of electrodes on magnetic core can be in the conductive part 102 of substrate front and back double-side conduction；It leads
Electric portion 202 all can be used metallized area in the front and back of substrate and be formed.As shown in Fig. 5-2, the back side of substrate 100 has
There is the label 103 that will separate between unit, these labels 103 are, for example, some cut-off rules, are equably partitioned into each unit
Region.Then, multiple such magnetic cores as shown in Figure 4 mounts respectively to the positive each unit of substrate, when attachment, by magnetic
Six conductive parts of six electrodes of core and the corresponding position in each unit connect one to one assembly, preferably by the electricity
Pole is welded and fixed with the conductive part.After the completion of batch mounts in this way, integrally mounted after obtaining batch type attachment as shown in FIG. 6
Product, this integrally attachment product bottom surface, one of each conductive part conducting surface still it is exposed outside, for client rear
It is welded when patch use during continuous use.Then, then using glue to whole attachment product shown in fig. 6 whole envelope is carried out
A cubical overall package body is collectively formed in the substrate of dress, glue package body and bottom.Finally, further according to substrate back
Label 103 is cut, and multiple single product are obtained, and each list product are a three axis reception antennas as shown in Figure 1.
Three axis reception antennas that another embodiment of the utility model provides are as shown in Fig. 2, it can also take batch when making
Amount encapsulation cuts into the mode of single product again.For example, prepare a hardware terminal substrate 200 first, and as shown in Fig. 7-1, the substrate 200
Be configured with multiple identical units 201, each unit 201 include it is consistent with the number of electrodes on magnetic core can be in base
The conductive part of piece front and back double-side conduction, conductive part herein is specifically a hardware terminal 202, which exists
The part of substrate front protrusion is interior conducting end 2021, for being connect with the electrode of magnetic core；Such as Fig. 7-2, the portion at 200 back side of substrate
It is divided into outer conducting end 2022, the label (not shown) that substrate back can also separate between setting unit, for equably
It is partitioned into the region of each unit.Then, multiple such magnetic cores as shown in Figure 4 are mounted respectively positive to substrate 200
Each unit, when attachment, one by one by six interior conducting ends 2021 of the corresponding position in six electrodes of magnetic core and each unit
It is correspondingly connected with assembly, there is the conducting resinl being connect with electrode in preferably interior conducting end.After the completion of batch mounts in this way, then,
Glue is used to carry out overall package again, overall package as shown in Figure 8 is collectively formed in the substrate 200 of glue package body and bottom
Body, the outer conducting end of each conductive part is exposed outside at this time, is welded when patch use during follow-up use for client.Most
Afterwards, it then cuts to obtain multiple single product, each list product are a three axis reception antennas as shown in Figure 2.
The magnetic core of the three axis reception antennas of the utility model is preferably by the preferable wide warm Ferrite Material system of resistance to stress
At.Packaging plastic water uses heat safe insulating materials.
It should be noted that the electrode on magnetic core eaves platform is not limited to be served only for the line end of connection coil, example as shown in Figure 3
, totally 8 electrodes on four eaves platforms, accordingly each unit can also be equipped with 8 conductive parts on substrate, without even
Two electrodes and two conductive parts of terminals, can be used for meeting the pad demand of different clients, while being also convenient for technique and setting
Meter.But the design position of electrode, quantity etc. are not limited to the example being previously mentioned in above-mentioned specific implementation mode, the utility model
It is restricted not to this.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For those skilled in the art of the present invention
For, without departing from the concept of the premise utility, several equivalent substitute or obvious modifications, and performance can also be made
Or purposes is identical, all shall be regarded as belonging to the scope of protection of the utility model.
Claims (9)
1. a kind of three axis reception antennas, including magnetic core, the three groups of coils and packaging body that are wound on magnetic core, it is characterised in that：
Three groups of coils are spatially wound on three winding sections of the magnetic core respectively mutually orthogonally, the line of each group of coil
End is connected to the counter electrode on magnetic core；The packaging body be after the coiling for completing three groups of coils to magnetic core and its
Coiling is packaged and is formed so that the magnetic core and coil are entirely located in the package interior；
The bottom of the packaging body has a conductive part of several double-side conductions, on the quantity of the conductive part and the magnetic core
The quantity of the electrode is consistent, also, each electrode is connected with a wherein conducting surface for a corresponding conductive part, each conduction
Another conducting surface in portion is exposed to except the packaging body.
2. three axis reception antenna as described in claim 1, it is characterised in that：Three winding sections of the magnetic core are first to the
Three winding sections, the first winding section are perforative middle part skeleton in magnetic core X-direction, and the second winding section is convex by magnetic core Y direction
Two skeletons for the middle part skeleton are constituted, and third winding section is made of the skeleton of magnetic core Z-direction；Wherein, X-axis, Y-axis
It is vertical two-by-two with Z axis.
3. three axis reception antenna as claimed in claim 2, it is characterised in that：The third winding section is by being located at four angles of magnetic core
Four Z axis skeletons at place are constituted, and each Z axis skeleton is separately connected an eaves platform up and down, to which the upper and lower faces in magnetic core are formed altogether
The electrode of eight eaves platforms, magnetic core is located therein on the eaves platform of one side.
4. three axis reception antenna as claimed in claim 3, it is characterised in that：The electrode is the boss for protruding from eaves platform surface
Electrode, or the metallized area for eaves platform surface.
5. three axis reception antenna as claimed in claim 3, it is characterised in that：It is arranged on three eaves platforms of the wherein one side
Six electrodes.
6. such as three axis reception antenna described in any one of claim 1 to 5, it is characterised in that：The packaging body includes being located at magnetic
The glue package body of the encapsulation matrix of core bottom and side and top；The conductive part of the double-side conduction is set to the encapsulation base
On body；By the way that the magnetic core of three groups of coils of coiling is bonded with the encapsulation matrix so that electrode on magnetic core with set on encapsulation
Conductive part on matrix connects one to one, and by glue package magnetic core side and top to coordinate shape with the encapsulation matrix
At the packaging body.
7. three axis reception antenna as claimed in claim 6, it is characterised in that：The encapsulation matrix is a pcb board, described two-sided
The conductive part of conducting is made of the weld part for being respectively arranged on pcb board front and back；Wherein, positive weld part is for when encapsulating
It is exposed so that the three axis reception antenna is welded when carrying out patch use with the weld part of the electrode welding on magnetic core, the back side
With.
8. such as three axis reception antenna described in any one of claim 1 to 5, it is characterised in that：The conductive part is hardware terminal,
Each hardware terminal all has conducting end and outer conducting end in one, and the interior conducting end is connect with the electrode on magnetic core, described outer
Conducting end is exposed to except the packaging body, welds use when carrying out patch use for the three axis reception antenna.
9. three axis reception antenna as claimed in claim 8, it is characterised in that：The interior conducting end by a conducting resinl with it is described
Electrode connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003322.5U CN207719392U (en) | 2018-01-02 | 2018-01-02 | A kind of three axis reception antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003322.5U CN207719392U (en) | 2018-01-02 | 2018-01-02 | A kind of three axis reception antennas |
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| Publication Number | Publication Date |
|---|---|
| CN207719392U true CN207719392U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820003322.5U Active CN207719392U (en) | 2018-01-02 | 2018-01-02 | A kind of three axis reception antennas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023159A (en) * | 2018-01-02 | 2018-05-11 | 深圳顺络电子股份有限公司 | A kind of three axis reception antennas and preparation method thereof |
-
2018
- 2018-01-02 CN CN201820003322.5U patent/CN207719392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023159A (en) * | 2018-01-02 | 2018-05-11 | 深圳顺络电子股份有限公司 | A kind of three axis reception antennas and preparation method thereof |
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