CN107124861A - One kind monitoring demodulation module shielding box - Google Patents
One kind monitoring demodulation module shielding box Download PDFInfo
- Publication number
- CN107124861A CN107124861A CN201710337384.XA CN201710337384A CN107124861A CN 107124861 A CN107124861 A CN 107124861A CN 201710337384 A CN201710337384 A CN 201710337384A CN 107124861 A CN107124861 A CN 107124861A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- lower cover
- upper lid
- shielding box
- elongate recesses
- 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
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)
- Casings For Electric Apparatus (AREA)
Abstract
Demodulation module shielding box is monitored the invention discloses one kind, it includes upper lid (1), lower cover (2) and circuit board (4), circuit board (4) is between upper lid (1) and lower cover (2), fixing bolt (6) covers (1) by positioning hole (9) by upper, lower cover (2) and circuit board (4) are fixed as an entirety, upper lid (1) and lower cover (2) inner surface is provided with multiple inside elongate recesses (10), include multiple convex modules on circuit board (4), during circuit board (4) is capped (1) and lower cover (2) fastening, convex module on circuit board (4) is placed in elongate recesses (10), beam (7) is additionally provided with described elongate recesses (10).Set in of the invention it is multiple isolate small frames, internal component is independent of each other, while external shell uses aluminum material, with thermal diffusivity it is good, altogether and the characteristics of against shock, while good to the electromagnetic wave shielding of external equipment.
Description
Technical field
The present invention relates to the screening arrangement that a kind of multiple signals are focused on, particularly a kind of monitoring demodulation module shielding
Box.
Background technology
With the fast development of radio communication technology, digitlization, networking and informationization are widely applied, intelligence
Monitoring, telecontrol engineering are also increasingly incorporated in the work and life of people.Intelligent, miniaturization product also field of employment therewith
It is required that and increasing.However, the volume for equipment required by same function is smaller, then each unit part produces mutual induction
Probability is bigger, and the requirement of electromagnetic compatibility and the heat dissipation design of LSI device can also increase therewith, especially radio circuit
Require it just higher, this is not only pure circuit design problem, its structure design is the important ring for ensureing circuit performance requirement
Section, in order to ensure that the normal of equipment is used, with small-sized, good Electro Magnetic Compatibility, protecting against shock, against shock, high-low temperature resistant
Equipment be people pursue all the time target, thus it is also proposed that requirements at the higher level on to structure design.
Number of patent application：201220505674.3 a kind of disclosed shielding box, the box-like structure that it is open for one side, including
First side, second side and shirt rim, described shirt rim are located at shielding box open at one end and are connected with the second side, described
First side and second side vertical connection.The design of this shielding box is simple, can only avoid external equipment to the electricity of its inside
Magnetic disturbance, it is impossible to avoid interfering between internal component.
Number of patent application：A kind of electromagnetic shielding box disclosed in 201220472820.7, it include box body, lid, handle and
Detain nose, it is characterised in that described box body and lid are provided with internal layer, internal layer is one layer of cupro-nickel conductive fabric radiation proof internal layer.This electricity
Magnetic screen box is a kind of box-shape, the electromagnetic interference of external equipment is mainly completely cut off by internal layer, it is impossible to avoid internal component
Between interfere.
The content of the invention
Demodulation module shielding box is monitored it is an object of the invention to overcome the deficiencies of the prior art and provide one kind, is solved
Radio circuit is set to influence its performance because condition is limited in the narrow regions that usable floor area is limited, it is ensured that each in circuit board
While component is independent of each other, it is ensured that external equipment is not impacted, moreover it is possible to isolate external equipment to its inside electricity
Road interferes and influenceed.
The purpose of the present invention is achieved through the following technical solutions：Monitor demodulation module shielding box, it include it is upper lid,
Lower cover and circuit board, circuit board is between upper lid and lower cover, and fixing bolt is consolidated upper lid, lower cover and circuit board by positioning hole
It is set to an entirety, Shang Gai and lower interior surface, which are provided with multiple inside elongate recesses, circuit board, includes multiple males
Block, during circuit board is capped with lower cover fastening, the convex module on circuit board is stretched into elongate recesses, and described is elongated
Beam is additionally provided with groove.
Silicon rubber is additionally provided with the external connection seam of upper lid and lower cover of the present invention.
The external lug of each functional module is additionally provided with circuit board of the present invention, external lug passes through in elongate recesses
External hole pass cover plate and be connected with external connection line.
The projection junction of circuit board of the present invention and upper lid and lower cover is additionally provided with pad, and fixing bolt passes through positioning
Hole and pad fix upper lid, lower cover and circuit board.
The present invention has following advantage：
1st, it is internal provided with multiple small frames of isolation, it is ensured that each component in circuit board is independent of each other；
2nd, shielding shell uses aluminium profiles material, with to good heat dissipation, altogether and the characteristics of against shock, while to external equipment
Capability of electromagnetic shielding it is good；
3rd, multiple beams are provided with inside shielding box, protecting against shock anti-shake performance is good.
Brief description of the drawings
Fig. 1 is attachment structure schematic diagram of the invention；
Fig. 2 is upper lid schematic diagram of the invention；
Fig. 3 is lower cover schematic diagram of the invention；
In figure, covered on 1-, 2- lower covers, 3- silicon rubber, 4- circuit boards, 5- pads, 6- fixing bolts, 7- beams, outside 8-
Portion's joint, 9- positioning holes, 10- elongate recesses, 11- external holes.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, Figure 2 and Figure 3, a kind of monitoring demodulation module shielding box, it includes upper lid 1, lower cover 2 and circuit board 4,
Circuit board 4 is located between upper lid 1 and lower cover 2, and upper lid 1, lower cover 2 and circuit board 4 are fixed as by fixing bolt 6 by positioning hole 9
One entirety, upper lid 1 and lower cover 2 inner surface, which is provided with multiple inside elongate recesses 10, circuit board 4, includes multiple males
Block, during circuit board 4 is capped 1 and the fastening of lower cover 2, the convex module on circuit board 4 is placed in elongate recesses 10, described
Elongate recesses 10 in be additionally provided with beam 7.
Described, it is additionally provided with silicon rubber 3 at the external connection seam of upper lid 1 and lower cover 2.
Described, the external lug 8 of each functional module is additionally provided with circuit board 4, external lug 8 passes through in elongate recesses 10
External hole 11 pass cover plate and be connected with external connection line.
Described, the projection junction of circuit board 4 and upper lid 1 and lower cover 2 is additionally provided with pad 5, and fixing bolt 6 passes through positioning
Hole 9 and pad 5 fix upper lid 1, lower cover 2 and circuit board 4.
Described, upper lid 1 and lower cover 2 use aluminum material, according to the length and width size design shielding box for loading circuit board
Length and width, internal each elongate recesses set by circuit layout.Described upper lid 1 and lower cover 2 are before housing molding, also
Through peroxidating aluminum coated steel.
Claims (4)
1. monitor demodulation module shielding box, it is characterised in that：It includes upper lid (1), lower cover (2) and circuit board (4), circuit board
(4) between upper lid (1) and lower cover (2), fixing bolt (6) covers (1), lower cover (2) and circuit board by positioning hole (9) by upper
(4) entirety is fixed as, upper lid (1) and lower cover (2) inner surface are provided with multiple inside elongate recesses (10), circuit board (4)
On include multiple convex modules, it is convex on circuit board (4) during circuit board (4) is capped (1) and lower cover (2) fastening
Shape module is placed in elongate recesses (10), and beam (7) is additionally provided with described elongate recesses (10).
2. monitoring demodulation module shielding box according to claim 1, it is characterised in that：Described upper lid (1) and lower cover (2)
External connection seam at be additionally provided with silicon rubber (3).
3. monitoring demodulation module shielding box according to claim 1, it is characterised in that：Also set on described circuit board (4)
Have an external lug (8) of each functional module, external lug (8) by the external hole (11) in elongate recesses (10) pass cover plate with
External connection line is connected.
4. monitoring demodulation module shielding box according to claim 1, it is characterised in that：Described circuit board (4) and upper lid
(1) and the projection junction of lower cover (2) is additionally provided with pad (5), fixing bolt (6) by positioning hole (9) and pad (5) by upper lid
(1), lower cover (2) and circuit board (4) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710337384.XA CN107124861A (en) | 2017-05-14 | 2017-05-14 | One kind monitoring demodulation module shielding box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710337384.XA CN107124861A (en) | 2017-05-14 | 2017-05-14 | One kind monitoring demodulation module shielding box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107124861A true CN107124861A (en) | 2017-09-01 |
Family
ID=59727225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710337384.XA Pending CN107124861A (en) | 2017-05-14 | 2017-05-14 | One kind monitoring demodulation module shielding box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107124861A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446414A (en) * | 2019-08-12 | 2019-11-12 | 北京理工大学 | Suction wave electromagnetic shielding and vibration absorber for electronic product |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2666098Y (en) * | 2003-11-07 | 2004-12-22 | 台捷电子股份有限公司 | Circuit board assembly |
| CN201898693U (en) * | 2010-11-29 | 2011-07-13 | 天津光电通信技术有限公司 | Shielding box for integrated installation of circuit boards |
| CN202160253U (en) * | 2011-05-24 | 2012-03-07 | 京信通信系统（中国）有限公司 | Communication equipment case with concealed antenna |
| US20170034963A1 (en) * | 2015-07-30 | 2017-02-02 | Samsung Electronics Co., Ltd | Shield cover and electronic device having it |
-
2017
- 2017-05-14 CN CN201710337384.XA patent/CN107124861A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2666098Y (en) * | 2003-11-07 | 2004-12-22 | 台捷电子股份有限公司 | Circuit board assembly |
| CN201898693U (en) * | 2010-11-29 | 2011-07-13 | 天津光电通信技术有限公司 | Shielding box for integrated installation of circuit boards |
| CN202160253U (en) * | 2011-05-24 | 2012-03-07 | 京信通信系统（中国）有限公司 | Communication equipment case with concealed antenna |
| US20170034963A1 (en) * | 2015-07-30 | 2017-02-02 | Samsung Electronics Co., Ltd | Shield cover and electronic device having it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446414A (en) * | 2019-08-12 | 2019-11-12 | 北京理工大学 | Suction wave electromagnetic shielding and vibration absorber for electronic product |
| CN110446414B (en) * | 2019-08-12 | 2020-10-23 | 北京理工大学 | Wave-absorbing electromagnetic shielding and vibration-damping device for electronic product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170901 |
|
| WD01 | Invention patent application deemed withdrawn after publication |