CN207219295U - A kind of display system shielding construction - Google Patents
A kind of display system shielding construction Download PDFInfo
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- CN207219295U CN207219295U CN201721057955.6U CN201721057955U CN207219295U CN 207219295 U CN207219295 U CN 207219295U CN 201721057955 U CN201721057955 U CN 201721057955U CN 207219295 U CN207219295 U CN 207219295U
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- isolation plate
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- display screen
- rear shell
- electromagnetic
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Abstract
The utility model discloses a kind of display system shielding construction,Rear shell is arranged on base,Display screen circuit board is arranged on electromagnetic isolation plate by screw,Display screen is arranged between fore shell and electromagnetic isolation plate,Fore shell is fixedly mounted in rear shell,Electromagnetic isolation plate is set between described display screen and display screen circuit board,Electromagnetic isolation plate periphery contacts with the conductive silver-bearing copper paint on fore shell and rear shell inwall,Electromagnetic isolation plate periphery uses lattice structure,Hole in the distance between electromagnetic isolation plate lattice structure and plate meets electromagnetic shielding requirements,Fore shell and rear shell use plastic material,One layer of conductive silver-bearing copper paint is evenly coated with fore shell and the inwall of rear shell,Seam between fore shell and rear shell is sealed using conductive seal bar,So,Electromagnetic interference of the external environment residing for display to display interior system can effectively be prevented,Display interior system is prevented to disturb electromagnetic field to external diffusion simultaneously.Its design science of the utility model is reasonable, simple in construction, easy to use.
Description
Technical field：
A kind of display system shielding construction is the utility model is related to, belongs to display systems technology field.
Background technology：
Display casing can be made by metal or plastic material, in the prior art, in order to cost-effective, typically from plastics
Material.But plastic material can not typically prevent its built-in system of the electromagnetic interference in the external world, while it can not also prevent internal interference
Electromagnetic field is to external diffusion.Window of the display front-housing due to offering display screen, the circuit unit system of the inside can pass through the window
Mouth is to external diffusion electromagnetic field, while external electromagnetic field can also be caused by the window interferoscope internal circuit unit system
Control signal distortion, and influence final display effect.Existing display casing uses working of plastics, and internal component uses metal
Shell sealing cover gets up, and is electromagnetically shielded.The useful space inside such a structure burden and waste display screen.
Utility model content：
The technical problems to be solved in the utility model is to provide a kind of display system shielding construction, and fore shell and rear shell use
One layer of conductive silver-bearing copper paint is evenly coated with the inwall of plastic material, fore shell and rear shell, the seam between fore shell and rear shell is used and led
Electric sealing strip sealing, so it can effectively prevent the external world residing for display in the case of cost-effective using plastic material
Environment prevents display interior system from disturbing electromagnetic field to external diffusion the electromagnetic interference of display interior system, for
The electromagnetic exposure of display screen windows and extraneous the problem of being had an impact by display screen windows to equipment, this programme are used and shown
The inwall conductive paint of one electromagnetic isolation plate of addition between screen and display screen circuit board, electromagnetic isolation plate periphery and display connects
Touch, electromagnetic isolation plate periphery uses the hole on the distance between lattice structure, electromagnetic isolation plate lattice structure and plate to meet
Electromagnetic shielding requirements, its design science is reasonable, simple in construction, easy to use.
A kind of display system shielding construction, it includes：Fore shell, conductive seal bar, display screen, electromagnetic isolation plate, display screen
Circuit board, rear shell, base, described rear shell are arranged on base, and display screen circuit board is arranged on electromagnetic isolation plate by screw
On, display screen is arranged between fore shell and electromagnetic isolation plate, and fore shell is fixedly mounted in rear shell, described display screen and display screen
Electromagnetic isolation plate is set between circuit board.
Further, described electromagnetic isolation plate periphery contacts with the conductive silver-bearing copper paint on fore shell and rear shell inwall, electromagnetism every
Lattice structure is used from plate periphery, material materials on the one hand can be reduced, on the one hand be easily installed, electromagnetic isolation plate lattice structure
The distance between and plate on hole meet electromagnetic shielding requirements.
Further, described fore shell and rear shell use plastic material, and one layer is evenly coated with the inwall of fore shell and rear shell
Conductive silver-bearing copper paint.
Further, the seam between described fore shell and rear shell is sealed using conductive seal bar, in this way, can effectively prevent to show
Show electromagnetic interference of the external environment residing for device to display interior system, while prevent display interior system from being done to external diffusion
Disturb electromagnetic field.
Further, wire casing is provided among described electromagnetic isolation plate, the size of wire casing meets design of Electromagnetic Shielding requirement.
The beneficial effects of the utility model：The utility model fore shell and rear shell use plastic material, fore shell and rear shell
One layer of conductive silver-bearing copper paint is evenly coated with inwall, the seam between fore shell and rear shell is sealed using conductive seal bar, so can be with
In the case of cost-effective using plastic material, the external environment residing for display is effectively prevented to display interior system
Electromagnetic interference, at the same prevent display interior system to external diffusion disturb electromagnetic field, for display screen windows electromagnetic exposure and
The problem of external world is had an impact by display screen windows to equipment, this programme uses to be added between display screen and display screen circuit board
Add an electromagnetic isolation plate, electromagnetic isolation plate periphery contacts with the inwall conductive paint of display, and electromagnetic isolation plate periphery uses grid
Hole in the distance between lattice structure, electromagnetic isolation plate lattice structure and plate will meet electromagnetic shielding requirements, its design science
Rationally, it is simple in construction, it is easy to use.
Brief description of the drawings：
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is exploded view of the present utility model.
In figure：1- fore shells；2- conductive seal bars；3- display screens；4- electromagnetic isolation plates；5- display screen circuit boards；6- rear shells；
7- bases.
Embodiment：
To make the purpose of this utility model, technical scheme and advantage of greater clarity, below by what is shown in accompanying drawing
Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality
With new scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily mixing
Confuse concept of the present utility model.
As shown in figure 1, a kind of display system shielding construction, it includes：Fore shell 1, conductive seal bar 2, display screen 3, electromagnetism
Division board 4, display screen circuit board 5, rear shell 6, base 7, described rear shell 6 are arranged on base 7, and display screen circuit board 5 passes through
Screw is arranged on electromagnetic isolation plate 4, and display screen 3 is arranged between fore shell 1 and electromagnetic isolation plate 4, after fore shell 1 is fixedly mounted on
On shell 6, electromagnetic isolation plate 4 is set between described display screen 3 and display screen circuit board 5.
Specifically, the described periphery of electromagnetic isolation plate 4 contacts with the conductive silver-bearing copper paint on fore shell and rear shell inwall, electromagnetism every
Lattice structure is used from the periphery of plate 4, material materials on the one hand can be reduced, on the one hand be easily installed, the grid knot of electromagnetic isolation plate 4
Hole on the distance between structure and plate meets electromagnetic shielding requirements, and described fore shell 1 and rear shell 6 use plastic material, preceding
One layer of conductive silver-bearing copper paint is evenly coated with shell 1 and the inwall of rear shell 6, the seam between described fore shell 1 and rear shell 6 is using conductive
Sealing strip 2 seals, in this way, electromagnetic interference of the external environment residing for display to display interior system can effectively be prevented, together
When prevent display interior system from disturbing electromagnetic field to external diffusion, be provided with wire casing, the chi of wire casing among described electromagnetic isolation plate 4
It is very little to meet design of Electromagnetic Shielding requirement.
Described design of Electromagnetic Shielding requires：
Radiation wavelengthWherein electromagnetic wave propagation speed c=3.0 × 108M/s, if with display screen circuit board
Frequency f=90MHz is calculated, and it is 3.33m to obtain radiation wavelength；Because electromagnetic wave is more than in the opening of radome or the length in gap
Or during equal to electromagnetic wave half-wavelength integral multiple, electromagnetic wave leakage amount is maximum.If on the basis of 3.33m wavelength, decay 30db, then
Gap length is less than 53mm；Decay 40db, then gap length is less than 16mm.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
- A kind of 1. display system shielding construction, it is characterised in that：Including：Fore shell, conductive seal bar, display screen, electromagnetic isolation plate, Display screen circuit board, rear shell, base, described rear shell are arranged on base, and display screen circuit board is arranged on electromagnetism by screw On division board, display screen be arranged between fore shell and electromagnetic isolation plate, fore shell is fixedly mounted in rear shell, described display screen and Electromagnetic isolation plate is set between display screen circuit board.
- A kind of 2. display system shielding construction according to claim 1, it is characterised in that：Described electromagnetic isolation plate periphery Contacted with the conductive silver-bearing copper paint on fore shell and rear shell inwall, electromagnetic isolation plate periphery uses lattice structure.
- A kind of 3. display system shielding construction according to claim 1, it is characterised in that：Described fore shell and rear shell is adopted With plastic material, one layer of conductive silver-bearing copper paint is evenly coated with the inwall of fore shell and rear shell.
- A kind of 4. display system shielding construction according to claim 1, it is characterised in that：Between described fore shell and rear shell Seam using conductive seal bar seal.
- A kind of 5. display system shielding construction according to claim 1, it is characterised in that：Among described electromagnetic isolation plate Provided with wire casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057955.6U CN207219295U (en) | 2017-08-23 | 2017-08-23 | A kind of display system shielding construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057955.6U CN207219295U (en) | 2017-08-23 | 2017-08-23 | A kind of display system shielding construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207219295U true CN207219295U (en) | 2018-04-10 |
Family
ID=61816139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057955.6U Active CN207219295U (en) | 2017-08-23 | 2017-08-23 | A kind of display system shielding construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207219295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423573A (en) * | 2019-08-20 | 2021-02-26 | 上海海拉电子有限公司 | Electromagnetic protection device |
-
2017
- 2017-08-23 CN CN201721057955.6U patent/CN207219295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423573A (en) * | 2019-08-20 | 2021-02-26 | 上海海拉电子有限公司 | Electromagnetic protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210322 Address after: 210029 Block A, 8th Floor, 301 Hanzhongmen Street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Nanjing Jusha Display Technology Co.,Ltd. Patentee after: NANJING JUSHA MEDICAL TECHNOLOGY Co.,Ltd. Address before: 210003 No.5, Hongmiao Lane 1, Fujian Road, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING GANKONGTONG CHEMICAL PRODUCT OPERATION PORTION |
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| TR01 | Transfer of patent right |