CN207219294U - A kind of display system screening arrangement - Google Patents
A kind of display system screening arrangement Download PDFInfo
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- CN207219294U CN207219294U CN201721057954.1U CN201721057954U CN207219294U CN 207219294 U CN207219294 U CN 207219294U CN 201721057954 U CN201721057954 U CN 201721057954U CN 207219294 U CN207219294 U CN 207219294U
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- display screen
- isolation plate
- electromagnetic isolation
- circuit board
- electromagnetic
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Abstract
The utility model discloses a kind of display system screening arrangement,Described display screen circuit board is arranged on electromagnetic isolation plate by screw,Display screen is arranged between fore shell and electromagnetic isolation plate by screw,Fore shell is arranged in rear shell,Thus electromagnetic isolation plate is arranged between display screen and display screen circuit board,Rear shell and electromagnetic isolation plate is set to form a metallic cavity close to sealing,Display screen circuit board is placed in one,It so can effectively prevent the outside radiated electromagnetic wave of display screen circuit board,Shield interference of the external electromagnetic to display screen circuit board simultaneously,Electromagnetic isolation plate periphery contacts with the inwall of display screen,Described electromagnetic isolation plate periphery uses lattice structure,The end of lattice structure will be touched on fore shell inwall,Form loop,On the one hand material materials can be reduced,On the one hand it is easily installed,Hole in the distance between electromagnetic isolation plate lattice structure and plate will meet electromagnetic shielding requirements.Its design science of the utility model is reasonable, simple in construction, easy to use.
Description
Technical field：
A kind of display system screening arrangement is the utility model is related to, belongs to display systems technology field.
Background technology：
The display casing of existing market typically uses ABS engineering plastics or superpolyester material.It does not do electromagnetic screen typically
Cover processing.But in medical display field, typically require that display has certain electromagnetic shielding requirements.Especially exist
In DSA operating rooms, the electromagnetic interference source interferoscope internal circuit in operating room is on the one hand prevented, causes control signal to be lost
Very, final display effect is influenceed.The outside Radiative EMI of display interior circuit is also prevented on the other hand, influences DSA
Other equipment in operating room.
Utility model content：
The technical problems to be solved in the utility model is to provide a kind of display system screening arrangement, and fore shell and rear shell use aluminium
Alloy material, outside spray insulation paint, the seam of front and rear casing are sealed using conductive seal bar, display screen and display screen circuit it
Between add an electromagnetic isolation plate, display casing and electromagnetic isolation plate is formed a metallic cavity close to sealing, display
Screen circuit board is placed in one, and so can effectively prevent the outside radiated electromagnetic wave of display screen circuit board, while shield external electromagnetic
Interference to display screen circuit board, electromagnetic isolation plate periphery contact with the inwall of display, and electromagnetic isolation plate periphery uses grid
Structure, material materials on the one hand can be reduced, are on the one hand easily installed.In the distance between electromagnetic isolation plate lattice structure and plate
Hole to meet electromagnetic shielding requirements, its design science is reasonable, simple in construction, easy to use.
A kind of display system screening arrangement, it includes：Fore shell, conductive seal bar, display screen, electromagnetic isolation plate, display screen
Circuit board, rear shell, described display screen circuit board are arranged on electromagnetic isolation plate by screw, and display screen is arranged on by screw
Between fore shell and electromagnetic isolation plate, fore shell is arranged in rear shell, and thus electromagnetic isolation plate is arranged on display screen and display screen circuit
Between plate, rear shell and electromagnetic isolation plate is set to form a metallic cavity close to sealing, display screen circuit board is placed in one, so
The outside radiated electromagnetic wave of display screen circuit board can be effectively prevented, while shields interference of the external electromagnetic to display screen circuit board,
Electromagnetic isolation plate periphery contacts with the inwall of display screen.
Further, described electromagnetic isolation plate periphery uses lattice structure, and the end of lattice structure will be touched in fore shell
On wall, loop is formed, material materials on the one hand can be reduced, on the one hand be easily installed, between electromagnetic isolation plate lattice structure
Hole in distance and plate will meet electromagnetic shielding requirements.
Further, described fore shell and rear shell are process using aluminum alloy material, the outside spraying of fore shell and rear shell
Insulated paint.
Further, described fore shell and the seam crossing of rear shell are sealed using conductive seal bar.
Further, the described preferred aluminum alloy material of electromagnetic isolation plate, the preferred graphite nickel plating of conductive seal bar, copper is silver-plated,
The silver-plated conductive rubber of aluminium.
The beneficial effects of the utility model：The utility model fore shell and rear shell use aluminum alloy material, outside spray insulation
Paint, the seam of front and rear casing are sealed using conductive seal bar, and an electromagnetic isolation plate is added between display screen and display screen circuit,
Display casing and electromagnetic isolation plate is set to form a metallic cavity close to sealing, display screen circuit board is placed in one, so
The outside radiated electromagnetic wave of display screen circuit board can be effectively prevented, while shields interference of the external electromagnetic to display screen circuit board,
Electromagnetic isolation plate periphery contacts with the inwall of display, and electromagnetic isolation plate periphery uses lattice structure, on the one hand can reduce material
Matter materials, are on the one hand easily installed.Hole in the distance between electromagnetic isolation plate lattice structure and plate will meet to be electromagnetically shielded
It is required that its design science is reasonable, and 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.
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 screening arrangement, it includes：Fore shell 1, conductive seal bar 2, display screen 3, electromagnetism
Division board 4, display screen circuit board 5, rear shell 6, described display screen circuit board 5 are arranged on electromagnetic isolation plate 4 by screw, are shown
Display screen 3 is arranged between fore shell 1 and electromagnetic isolation plate 4 by screw, and fore shell 1 is arranged in rear shell 6, thus electromagnetic isolation plate 4
It is arranged between display screen 3 and display screen circuit board 5, rear shell 6 and electromagnetic isolation plate 4 is formed a wire chamber close to sealing
Body, display screen circuit board 5 are placed in one, and so can effectively prevent 5 outside radiated electromagnetic wave of display screen circuit board, shield simultaneously
Interference of the external electromagnetic to display screen circuit board 5, the periphery of electromagnetic isolation plate 4 contact with the inwall of display screen 3.
Preferably, the described periphery of electromagnetic isolation plate 4 uses lattice structure, the end of lattice structure will touch fore shell
On 1 inwall, loop is formed, material materials on the one hand can be reduced, on the one hand be easily installed, between electromagnetic isolation plate lattice structure
Distance and plate on hole to meet electromagnetic shielding requirements.
Preferably, described fore shell 1 and rear shell 6 is process using aluminum alloy material, fore shell 1 and rear shell 6 it is outer
Side spray applies insulated paint.
Preferably, described fore shell and the seam crossing of rear shell are sealed using conductive seal bar.
Preferably, described 4 preferred aluminum alloy material of electromagnetic isolation plate, the preferred graphite nickel plating of conductive seal bar 2, copper plating
Silver, the silver-plated conductive rubber of aluminium.
As example of the present utility model, the requirement of described design of Electromagnetic Shielding：
Radiation wavelength r=c/f, wherein 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 when the opening of radome or the length in gap are more than or equal to electromagnetic wave half-wavelength integral multiple, electricity
Magnetic wave amount of leakage 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 screening arrangement, it is characterised in that：Including：Fore shell, conductive seal bar, display screen, electromagnetic isolation plate, Display screen circuit board, rear shell, described display screen circuit board are arranged on electromagnetic isolation plate by screw, and display screen passes through screw Between fore shell and electromagnetic isolation plate, fore shell is arranged in rear shell, described electromagnetic isolation plate periphery and display screen it is interior Wall contacts.
- A kind of 2. display system screening arrangement according to claim 1, it is characterised in that：Described electromagnetic isolation plate periphery Using lattice structure, the end of lattice structure will be touched on fore shell inwall.
- A kind of 3. display system screening arrangement according to claim 1, it is characterised in that：Described fore shell and rear shell is adopted It is process with aluminum alloy material, the outside spray insulation paint of fore shell and rear shell.
- A kind of 4. display system screening arrangement according to claim 1, it is characterised in that：Described fore shell and rear shell connect Sealed at seam using conductive seal bar.
- A kind of 5. display system screening arrangement according to claim 1, it is characterised in that：Described electromagnetic isolation plate is preferred Aluminum alloy material, the preferred graphite nickel plating of conductive seal bar, copper are silver-plated, the silver-plated conductive rubber of aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057954.1U CN207219294U (en) | 2017-08-23 | 2017-08-23 | A kind of display system screening arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057954.1U CN207219294U (en) | 2017-08-23 | 2017-08-23 | A kind of display system screening arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207219294U true CN207219294U (en) | 2018-04-10 |
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ID=61816089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057954.1U Active CN207219294U (en) | 2017-08-23 | 2017-08-23 | A kind of display system screening arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN207219294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917577A (en) * | 2019-01-31 | 2019-06-21 | 南京巨鲨显示科技有限公司 | A kind of portable display of electromagnetism interference |
| CN113507813A (en) * | 2021-06-30 | 2021-10-15 | 青岛海信移动通信技术股份有限公司 | Display terminal |
-
2017
- 2017-08-23 CN CN201721057954.1U patent/CN207219294U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917577A (en) * | 2019-01-31 | 2019-06-21 | 南京巨鲨显示科技有限公司 | A kind of portable display of electromagnetism interference |
| CN109917577B (en) * | 2019-01-31 | 2021-10-22 | 南京巨鲨显示科技有限公司 | Anti-electromagnetic interference portable display |
| CN113507813A (en) * | 2021-06-30 | 2021-10-15 | 青岛海信移动通信技术股份有限公司 | Display terminal |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210317 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 |