CN107360710A - A kind of shielding construction and terminal - Google Patents
A kind of shielding construction and terminal Download PDFInfo
- Publication number
- CN107360710A CN107360710A CN201710731316.1A CN201710731316A CN107360710A CN 107360710 A CN107360710 A CN 107360710A CN 201710731316 A CN201710731316 A CN 201710731316A CN 107360710 A CN107360710 A CN 107360710A
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- China
- Prior art keywords
- conducting
- bracket
- shielding
- metal shell
- shielding construction
- Prior art date
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 206010048669 Terminal state Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
- H05K9/0032—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields having multiple parts, e.g. frames mating with lids
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present embodiments relate to field of terminal, more particularly to a kind of shielding construction and terminal, on the premise of electronic chip shielding requirements are met, reducing integral thickness.In the embodiment of the present invention, because conducting bracket is located at component area periphery, metal shell and conducting bracket, which contact the shielding cavity to be formed, can be such that electromagnetic radiation caused by component is transmitted to by metal shell on conducting bracket, again because conducting bracket is grounded, the electromagnetic radiation access the earth being transmitted on conducting bracket, has reached the purpose of shielding.For prior art, the present invention only needs the cooperation can of metal shell and conducting bracket to meet shielding requirements, reduces integral thickness.
Description
Technical field
The present embodiments relate to field of terminal, more particularly to a kind of shielding construction and terminal.
Background technology
With the fast development of electronic communication, internet industry, in order to control electromagnetic field by a region to another area
The interference in domain, i.e., the interference sources such as whole component part are shielded come which results in people in various equipment with shield
The requirement more and more higher of radome.
Fig. 1 shows a kind of structural representation of the shielding construction of prior art provided in an embodiment of the present invention, such as Fig. 1 institutes
Show, including mainboard 101, radome lid 102 and shielding cover stent 103.In order that the chip in radome conveniently pastes heat dissipation film
Or facilitating repair chip, radome uses two-piece type, that is, using radome lid 102 and the shielding knot of cover stent 103
The scheme shielded is closed, by SMT (Surface Mounted Technology, surface mounting technology) paster radome
Support 103 is arranged on mainboard 101, and manual operation fastens radome lid 102 and shielding cover stent 103, if necessary to paste
When heat dissipation film or progress repair chip, then pry open radome lid and operated.
Fig. 2 shows a kind of structural representation of the shielding construction of prior art provided in an embodiment of the present invention, such as Fig. 2 institutes
Show, including mainboard 201, component 202, metal shell 203, radome lid 204 and shielding cover stent 205, metal shell 203
The second gap 207 between the first gap 206 and radome lid 204 and component 202 between radome lid 204.
Wherein, shielding cover stent can highly flush with component, suitably can also heighten or turn down shielding according to component height
The height of cover stent, but radome lid contacts all the time with shielding cover stent.In addition, component 202 is on mainboard 201, first device
Part 202 is enclosed in radome lid 204 and shielded in the shield that cover stent 205 forms.Terminal shielding knot as shown in Figure 2
The thickness of structure is shown in Table 1, and this structure result in integral thickness increase.
Table 1：Terminal shielding construction thickness
| Lamination material | Thickness (mm) |
| Metal shell | 0.5 |
| First gap | 0.15 |
| Radome lid | 0.15 |
| Second gap | 0.2 |
| Chip | 1.0 |
| Mainboard | 0.8 |
| Thickness altogether | 2.8 |
In summary, the shielding construction used at present in terminal can not meet user's request, therefore need corresponding solution party badly
Case.
The content of the invention
The embodiment of the present invention provides a kind of shielding construction and terminal, for meeting the premise of electronic chip shielding requirements
Under, reduce integral thickness.
The embodiment of the present invention provides a kind of shielding construction, including：Mainboard, component region is included on mainboard and conductive is propped up
Frame.Conducting bracket is located at the periphery in component region and conducting bracket is grounded, the metal shell contacted with conducting bracket, wherein,
Metal shell and conducting bracket cooperatively form shielding cavity.
Alternatively, at least one conducting element is provided with conducting bracket, conducting bracket passes through at least one conducting element
Contacted with metal shell, in this way, the flexibility of the present invention program can be improved.
Alternatively, the conducting element at least one conducting element is flexible.In this way, the conducting element of elasticity can return
Bullet, meet that contact is reliable, ensure that conducting bracket and metal shell are stable conductive by conducting element.
Alternatively, the conducting element at least one conducting element includes any one of herein below：Metal clips, lead
Electric sponge and metal bump, in this way, the diversity of the present invention program conducting element can be improved.
Alternatively, conducting bracket includes an at least conducting rod, improves the flexibility of the present invention program.
Alternatively, at least a conducting rod includes four conducting rods, and four conducting rods surround closed figure, component region
Inside closed figure, the flexibility of the present invention program is improved.
Alternatively, at least one conducting element is provided with every conducting rod at least in a conducting rod, can passed through
Conducting element on every conducting rod causes the electromagnetic radiation that metal shell receives equably to be conducted by each conducting element
Onto the conducting rod where each conducting element.
Alternatively, at least one conducting element is evenly arranged with every conducting rod at least in a conducting rod, in this way,
The electromagnetic radiation that metal shell receives can be caused equably to be transmitted to by conducting element on conducting bracket.
Alternatively, the material of conducting bracket includes metal plate；And/or the material of metal shell includes alloy.
The embodiment of the present invention provides a kind of shielding construction, including any of the above-described described shielding construction.
In the embodiment of the present invention, because conducting bracket is located at component area periphery, metal shell and conducting bracket contact
The shielding cavity of formation can be such that electromagnetic radiation caused by component is transmitted to by metal shell on conducting bracket, and due to conduction
Support is grounded, and the electromagnetic radiation access the earth being transmitted on conducting bracket, has reached the purpose of shielding.For prior art, sheet
Invention only needs the cooperation can of metal shell and conducting bracket to meet shielding requirements, reduces integral thickness.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly introduced.
Fig. 1 is a kind of structural representation of the shielding construction of prior art provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of the shielding construction of prior art provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of shielding construction provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of shielding cavity provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of conducting bracket provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of conducting bracket provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of shielding construction provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation of shielding construction provided in an embodiment of the present invention.
Embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining this hair
It is bright, it is not intended to limit the present invention.
Fig. 3 shows a kind of structural representation of the applicable shielding construction of the embodiment of the present invention, including mainboard 301, first device
Part region 302, metal shell 303 and conducting bracket 304.
Include component region 302 and conducting bracket 304 on mainboard 301, conducting bracket 304 is located at the outer of component region
Enclose and conducting bracket 304 is grounded；Metal shell 303 contacts with conducting bracket 304, wherein, metal shell 303 and electric support
304 cooperatively form shielding cavity.
In the embodiment of the present invention, because conducting bracket is located at component area periphery, metal shell and conducting bracket contact
The shielding cavity of formation can be such that electromagnetic radiation caused by component is transmitted to by metal shell on conducting bracket, and due to conduction
Support is grounded, and the electromagnetic radiation access the earth being transmitted on conducting bracket, has reached the purpose of shielding.For prior art, sheet
Invention only needs the cooperation can of metal shell and conducting bracket to meet shielding requirements, reduces integral thickness.
At least one conducting element is provided with a kind of optional embodiment on conducting bracket, Fig. 4 shows of the invention real
A kind of structural representation of the applicable shielding cavity of example is applied, shielding cavity includes conducting bracket 401, conducting element 402 and metal shell
403.At least one conducting element 402 is fixed on 401 on conducting bracket, and conducting bracket 401 passes through at least one conducting element
402 contact with metal shell 403.Alternatively, conducting element 402 can be metal bump.In this way, the present invention program can be improved
Flexibility.
A kind of conducting element in optional embodiment at least one conducting element is flexible, alternatively, at least one
Conducting element in individual conducting element includes any one of herein below：Metal clips, conductive sponge, metal spring.Have
Elasticity conducting element can be in stress elastic connection metal shell and conducting bracket all the time, or be exactly in not by
Power state contacts connect metal shell and conducting bracket, and the present invention preferably flexible conducting element can be in stress all the time
State elastic connection metal shell and conducting bracket, in this way, the conducting element of elasticity can be met that contact is reliable, ensured with resilience
Conducting bracket and metal shell are stable conductive by conducting element.
5 conducting elements can be provided with a kind of optional embodiment on conducting bracket, specifically, 5 conducting elements
Can with but be not limited only to all be metal clips, or be all conductive sponge, or wherein 3 are metal clips, 2 in addition
It is conductive sponge.Alternatively, 5 conducting elements can be arranged uniformly on conducting bracket, in this way, can cause outside metal
The electromagnetic radiation that shell receives equably is transmitted on conducting bracket by conducting element.
Conducting bracket includes an at least conducting rod in a kind of optional embodiment, specifically, leading of including of conducting bracket
Electric pole can only have a conducting rod, it is possibility to have more conducting rods.For example can there was only 1 conducting rod, this 1 conducting rod quilt
It is arranged on mainboard and positioned at the peripheral any side in component region.There can be 2 conducting rods, this 2 conducting brackets are set
It is placed on mainboard and positioned at a peripheral both sides in component region, can is relative both sides or adjacent both sides.Can be with
There are 3 conducting rods, this 3 conducting brackets are arranged on mainboard and positioned at peripheral any three sides in component region.Also
There can be 4 conducting rods, this 4 conducting brackets are arranged on mainboard and positioned at peripheral any four in component region
Side, this four edges can also surround a closed figure, and component is surrounded wherein.Alternatively, the shape of conducting rod can be with
It is cylinder, can is cuboid or other cubes.In this way, add flexibility and the diversity of scheme.
Fig. 5 shows a kind of structural representation of the applicable conducting bracket of the embodiment of the present invention, as shown in figure 5, including master
Plate 501, component region 502, the first conducting rod 503, the second conducting rod 504, the 3rd conducting rod 505 and the 4th conducting rod 506.
Wherein, component region 502, the first conducting rod 503, the second conducting rod 504, the 3rd conducting rod 505 and the 4th conducting rod 506 be all
It is arranged on mainboard 501.First conducting rod 503, the second conducting rod 504, the 3rd conducting rod 505 and the 4th conducting rod 506 enclose
It is wound on component area periphery.Alternatively, four conducting rods can be interconnected to form closed pattern and component region 502 is enclosed
It is wound up, can be individually separated, can also partly be connected, other part is separated, in addition, the length of four conducting rods can phase
Together, also to adjust the length of each conducting rod according to the component region surrounded.
Every conducting rod in a kind of optional embodiment in an at least conducting rod is provided with least one conducting element,
Fig. 6 shows a kind of structural representation of the applicable conducting bracket of the embodiment of the present invention, as shown in fig. 6, including mainboard 601, member
Device area 602, the first conducting rod 603, the second conducting rod 604, the 3rd conducting rod 605 and the 4th conducting rod 606, it is arranged at
The first conducting element 607 on one conducting rod 603, the second conducting element 608 being arranged on the second conducting rod 604, it is arranged at
The 3rd conducting element 609 and the 4th conducting element 610 being arranged on the 4th conducting rod 606 on 3rd conducting rod 605.It is optional
Ground, this four conducting rods can be interconnected to form closed pattern and component region 602 surrounded, can be individually separated,
Can also partly it be connected, other part is separated.Alternatively, the first conducting element 607, the second conducting element 608, the 3rd conductive element
The conducting element 610 of part 609 and the 4th can be metal bump, metal clips, conductive sponge, metal spring.In this way, it can pass through
Conducting element on every conducting rod causes the electromagnetic radiation that metal shell receives equably to be conducted by each conducting element
Onto the conducting rod where each conducting element.
At least one lead is evenly arranged with every conducting rod in a kind of optional embodiment in an at least conducting rod
Electric device.Fig. 7 shows a kind of structural representation of the applicable shielding construction of the embodiment of the present invention, including mainboard 701, component
Region 702, conducting bracket 703 and conducting element 704.Specifically, the quantity for the conducting rod that conducting bracket 703 is included can have
One, it is possibility to have more.There can be a conducting element 704 on each of which root conducting rod, it is possibility to have multiple conductive elements
Part 704.One or more conducting element 704 on every conducting rod according to position of the conducting rod on mainboard 701 equably
On conducting rod where being arranged on, i.e., all conducting elements 704 are all uniformly around in component region on each conducting rod
702 periphery.In this way, it can be uniformly arranged what ground conducting element metal shell received by each on every conducting rod
Electromagnetic radiation is equably transmitted to by each conducting element on the conducting rod where each conducting element.
The material of conducting bracket, which includes metal plate and/or the material of metal shell, in a kind of optional embodiment includes alloy.
Metal plate has the characteristics that in light weight, intensity is high, conductive, cost is low and can mass produce.Conducting bracket uses sheet metal process
It can cause conducting element is processed to be fixed on conducting bracket, conducting element and conducting bracket are integrally formed, and can prevent from leading
Electric device comes off from conducting bracket.
Fig. 8 shows a kind of structural representation of the applicable shielding construction of the embodiment of the present invention, as shown in figure 8, including master
Plate 801, component region 802, metal shell 803, conducting bracket 804, conducting element 805 and metal shell 803 and component
Existing space 806 between region.Wherein, component region 802 and conducting bracket 804 are arranged on mainboard 801, conduction branch
Frame 804 can highly flush with the component in component region 802, suitably can also heighten or adjust according to component height
The height of low conducting bracket, but conducting bracket 804 does not contact with metal shell 803.But by outside conducting element 805 and metal
Shell 803 is connected.Conducting bracket 804 can be metal plate, and conducting element 805 can be metal clips and be processed and be fixed on conductive branch
On frame 804, the metal shell 803 of electromagnetic radiation is received by conducting element 805 by electromagnetic radiation to conducting bracket 804
On, charge-conduction is ensured by the conducting bracket 804 of ground connection by shield effectiveness to big ground.
The thickness of shielding construction as shown in Figure 8 is shown in Table 2, is formed and shielded by conducting bracket, conducting element and metal shell
Cover chamber, it is possible to reduce the integral thickness of shielding construction, also saved in addition, not using radome lid compared with prior art
Material and then cost is saved, and caused when repairing or changing component because being without dismantling radome lid
Staff provides convenience.
Table 2：Shielding construction thickness
| Lamination material | Thickness (mm) |
| Metal shell | 0.5 |
| First gap | 0.2 |
| Chip | 1.0 |
| Mainboard | 0.8 |
| Thickness altogether | 2.5 |
It is no longer superfluous herein comprising the shielding construction described in any of the above-described the embodiments of the invention provide a kind of terminal
State.
In the embodiment of the present invention, because conducting bracket is located at component area periphery, metal shell and conducting bracket contact
The shielding cavity of formation can be such that electromagnetic radiation caused by component is transmitted to by metal shell on conducting bracket, and due to conduction
Support is grounded, and the electromagnetic radiation access the earth being transmitted on conducting bracket, has reached the purpose of shielding.For prior art, sheet
Invention only needs the cooperation can of metal shell and conducting bracket to meet shielding requirements, reduces integral thickness.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. shielding construction, it is characterised in that including：Mainboard, include component region and conducting bracket on the mainboard；The conducting bracket is located at the component region Periphery, and the conducting bracket is grounded；The metal shell contacted with the conducting bracket, wherein, the metal shell and the conducting bracket cooperatively form shielding Chamber.
- 2. shielding construction as claimed in claim 1, it is characterised in that at least one conductive element is provided with the conducting bracket Part；The conducting bracket is contacted by least one conducting element with the metal shell.
- 3. shielding construction as claimed in claim 2, it is characterised in that the conducting element tool at least one conducting element It is flexible.
- 4. shielding construction as claimed in claim 3, it is characterised in that the conducting element bag at least one conducting element Include any one of herein below：Metal clips, conductive sponge and metal bump.
- 5. shielding construction as claimed in claim 1, it is characterised in that the conducting bracket includes an at least conducting rod.
- 6. shielding construction as claimed in claim 5, it is characterised in that an at least conducting rod includes four conducting rods, Four conducting rods surround closed figure, and the component region is located inside the closed figure.
- 7. shielding construction as claimed in claim 5, it is characterised in that on every conducting rod in an at least conducting rod It is provided with least one conducting element.
- 8. shielding construction as claimed in claim 7, it is characterised in that on every conducting rod in an at least conducting rod It is evenly arranged with least one conducting element.
- 9. the shielding construction as described in claim 1 to 7 any claim, it is characterised in that the material of the conducting bracket Including metal plate；And/or the material of the metal shell includes alloy.
- 10. a kind of terminal, it is characterised in that including the shielding construction described in claim 1 to 9 any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731316.1A CN107360710A (en) | 2017-08-23 | 2017-08-23 | A kind of shielding construction and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731316.1A CN107360710A (en) | 2017-08-23 | 2017-08-23 | A kind of shielding construction and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107360710A true CN107360710A (en) | 2017-11-17 |
Family
ID=60288896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710731316.1A Pending CN107360710A (en) | 2017-08-23 | 2017-08-23 | A kind of shielding construction and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107360710A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019110242A (en) * | 2017-12-19 | 2019-07-04 | アイコム株式会社 | Shield structure of high frequency circuit of electronic apparatus |
| CN110087445A (en) * | 2019-04-24 | 2019-08-02 | 维沃移动通信有限公司 | Chip assembly and mobile terminal |
| CN112468702A (en) * | 2020-11-24 | 2021-03-09 | 苏州祥龙嘉业电子科技股份有限公司 | Vehicle-mounted camera shell structure with good shielding performance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202435784U (en) * | 2012-02-10 | 2012-09-12 | 东莞宇龙通信科技有限公司 | Shield and terminal |
| CN207305265U (en) * | 2017-08-23 | 2018-05-01 | 华勤通讯技术有限公司 | A kind of shielding construction and terminal |
-
2017
- 2017-08-23 CN CN201710731316.1A patent/CN107360710A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202435784U (en) * | 2012-02-10 | 2012-09-12 | 东莞宇龙通信科技有限公司 | Shield and terminal |
| CN207305265U (en) * | 2017-08-23 | 2018-05-01 | 华勤通讯技术有限公司 | A kind of shielding construction and terminal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019110242A (en) * | 2017-12-19 | 2019-07-04 | アイコム株式会社 | Shield structure of high frequency circuit of electronic apparatus |
| JP7092985B2 (en) | 2017-12-19 | 2022-06-29 | アイコム株式会社 | Shield structure of high frequency circuit of electronic equipment |
| CN110087445A (en) * | 2019-04-24 | 2019-08-02 | 维沃移动通信有限公司 | Chip assembly and mobile terminal |
| WO2020215973A1 (en) * | 2019-04-24 | 2020-10-29 | 维沃移动通信有限公司 | Chip assembly and mobile terminal |
| CN112468702A (en) * | 2020-11-24 | 2021-03-09 | 苏州祥龙嘉业电子科技股份有限公司 | Vehicle-mounted camera shell structure with good shielding performance |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |