CN207460732U - For the high-efficiency shielding case of electromagnetic compatibility - Google Patents
For the high-efficiency shielding case of electromagnetic compatibility Download PDFInfo
- Publication number
- CN207460732U CN207460732U CN201721373830.4U CN201721373830U CN207460732U CN 207460732 U CN207460732 U CN 207460732U CN 201721373830 U CN201721373830 U CN 201721373830U CN 207460732 U CN207460732 U CN 207460732U
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- Prior art keywords
- lower housing
- outer case
- upper shell
- electromagnetic
- layer
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- 239000002131 composite material Substances 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 239000002322 conducting polymer Substances 0.000 claims description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000002386 leaching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses the high-efficiency shielding casees for electromagnetic compatibility, including outer case with being arranged internal box in the outer case, shielding cavity is formed between outer case and internal box, the internal box includes lower housing and upper shell, the bottom opening of upper shell, the open top of lower housing, the size of upper shell is more than the size of lower housing, upper shell is located at outside lower housing, and the outer wall both sides of upper shell are connected by the bottom of supporting rod and outer case, and the supporting rod is telescopic rod；Shielded layer is provided on the inner wall of outer case.The electromagnetic compatibility shielding case of the utility model, using the structure of composite bed, both the structure of shielded box can have been strengthened, electromagnetic wave can be effectively absorbed again, and inside can be with reflection electromagnetic wave, preventing extraneous electromagnetic wave, internal electromagnetic wave cannot can possess good electromagnetic compatibility shielding function to external radiation from entering；It simultaneously can also be according to the size regulating box size of running equipment.
Description
Technical field
The utility model is related to a kind of electromagnetic compatibility shielding casees, and in particular to for the high-efficiency shielding case of electromagnetic compatibility.
Background technology
Electro Magnetic Compatibility (EMC) refers to that equipment or system meet the requirements operation not in its environment in its electromagnetic environment
Any equipment generate the ability of intolerable electromagnetic interference.Therefore, EMC includes the requirement of two aspects：On the one hand refer to
Equipment in normal course of operation to place environment generate electromagnetic interference no more than certain limit value；On the other hand it is finger device
Tool has a degree of immunity to interference, i.e. electromagnetic susceptibility to electromagnetic interference present in the environment of place.The various electricity of electromagnetic compatibility
Gas or electronic equipment meet the normal work of design requirement with defined safety coefficient in the common space of electromagnetic environment complexity
Ability.Also referred to as Electro Magnetic Compatibility.Its meaning includes：1. mutually taking into account in electromagnetic environment between electronic system or equipment；
2. electronic system or equipment can work normally in nature electromagnetic environment according to design requirement.If electromagnetic field is expanded to again to life
Electromagnetic compatibility subject content then can be referred to as environmental electromagnetism by the influence of state environment again.Traditional electromagnetic compatibility shielding device leads to
Often only using one layer of metallic plate is made shielding cavity.Due to this relatively simple for structure, the electromagnetic screen of low frequency may be only available for
It covers, tends not to pass through EMC test.In actual use, electromagnetic interference is easily caused mutually with other electromagnetic equipments.
Therefore, traditional shielding construction cannot meet the shielding requirements under complex electromagnetic environment.
Utility model content
Technical problem to be solved in the utility model is that traditional electromagnetic compatibility shielding device usually only uses one layer of gold
Belong to plate and shielding cavity is made.Due to this relatively simple for structure, the electromagnetic shielding of low frequency is may be only available for, tends not to pass through
EMC test.In actual use, electromagnetic interference, therefore traditional shielding knot are easily caused mutually with other electromagnetic equipments
Structure cannot meet the shielding requirements under complex electromagnetic environment, and it is an object of the present invention to provide for electromagnetic compatibility high-efficiency shielding case,
It using the structure of composite bed, can not only strengthen the structure of shielded box, but also electromagnetic wave can be effectively absorbed, and and inside can be anti-
Radio magnetic wave, preventing extraneous electromagnetic wave, internal electromagnetic wave it is simultaneous cannot can to possess good electromagnetism to external radiation from entering
Hold function of shielding, suitable for various shielding electromagnetic waves；Simultaneously can also according to the size regulating box size of running equipment, with
Meet the use of different models of equipment.
The utility model is achieved through the following technical solutions：
For the high-efficiency shielding case of electromagnetic compatibility, including outer case and be arranged internal box in the outer case, outer case with
Shielding cavity is formed between internal box, the internal box includes setting the lower housing of bottom in the outer case and is arranged on lower housing
The upper shell of top, the bottom opening of upper shell, the open top of lower housing, the size of upper shell are more than the size of lower housing,
Upper shell is located at outside lower housing, and is slidably connected between the inner wall of upper shell and the outer wall of lower housing, and upper shell can be along
The outer wall of lower housing slides up and down, and the outer wall both sides of upper shell are connected by the bottom of supporting rod and outer case, the supporting rod
For telescopic rod；It is provided with shielded layer on the inner wall of outer case, the shielded layer includes glass layer, two-sided successively from inside to outside
Plate plastic layer, electromagnetic absorption layer, plastic layer, the glass layer of two-sided plating metal of metal；The bottom surface of lower housing and outer case
On be equipped with multiple heat emission holes, zigzag heat dissipation channel is equipped in shielded layer.
The electromagnetic compatibility shielding case of the utility model using the structure of composite bed, can not only strengthen the structure of shielded box, but also
Can effectively absorb electromagnetic wave, and and inside can prevent extraneous electromagnetic wave from entering with reflection electromagnetic wave, internal electromagnetism
Ripple cannot can possess good electromagnetic compatibility shielding function, suitable for various shielding electromagnetic waves to external radiation；It simultaneously can also
Enough size regulating box sizes according to running equipment, to meet the use of different models of equipment.Outer internal box is filled out with outer case
Filled with shielded layer, shielded layer is combined by multilayer material, is had good effectiveness, be can be adapted for a variety of electromagnetism
The shielding of ripple；Multiple heat emission holes are equipped on the bottom surface of lower housing and outer case, zigzag heat dissipation channel is equipped in shielded layer,
The heat dissipation of electromagnetic equipment can be realized well, while does not interfere with the shield effectiveness of shielded layer again；Wherein internal box passes through upper
Housing is formed with lower housing, therefore according to the length of the size of running equipment, then adjusting supporting rod, so as to realize upper casing
The adjusting of the size of cavity between body and lower housing, to meet the use of different sized devices, when running equipment size is smaller,
Upper shell can coat lower housing wherein completely, at this point, upper shell is further formed double-layer structure with lower housing, improve screen
Cover effect.
The top face of outer case is equipped with rain shade, and rain shade surface scribbles waterproof layer, the top of babinet can be carried out
It blocks, ambient weather etc. is avoided to impact babinet, while improve the water resistance of babinet.
Filled with conducting foam between the shielded layer and outer case, shield effectiveness is further improved.
The internal box and outer case are made of conducting polymer composite, improve effect and the increasing of electromagnetic compatibility shielding
Shield ranges.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model is used for the high-efficiency shielding case of electromagnetic compatibility, using the structure of composite bed, can both strengthen shielding
The structure of case, and electromagnetic wave can be effectively absorbed, and and inside can with reflection electromagnetic wave, prevent extraneous electromagnetic wave from into
Enter, internal electromagnetic wave cannot can possess good electromagnetic compatibility shielding function, suitable for various electromagnetic waves to external radiation
Shielding；It simultaneously can also be according to the size regulating box size of running equipment, to meet the use of different models of equipment；
2nd, the utility model is used for the high-efficiency shielding case of electromagnetic compatibility, and the top face of outer case is equipped with rain shade, rain cover
Canopy surface scribbles waterproof layer, ambient weather etc. can be avoided to impact babinet, carried simultaneously to being blocked above babinet
The water resistance of high babinet filled with conducting foam between the shielded layer and outer case, further improves shield effectiveness；
3rd, the utility model is used for the high-efficiency shielding case of electromagnetic compatibility, and leaching rubber screen is equipped between outer case and internal box
Pad, the leaching rubber screen pad to be electrically connected the cap and the housing and prevent the annular seal space in-body devices
Energy is to housing external diffusion；The internal box and outer case are made of conducting polymer composite, improve electromagnetic compatibility shielding
Effect and shield ranges are increased.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Mark and corresponding parts title in attached drawing：
1- outer cases, 2- shielding cavities, 3- lower housings, 4- upper shells, 5- supporting rods.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, the utility model is used for the high-efficiency shielding case of electromagnetic compatibility, including outer case 1 and outer container is set in
Internal box in body 1, forms shielding cavity 2 between outer case 1 and internal box, the internal box includes being arranged on bottom in outer case 1
The lower housing 3 in portion and the upper shell 4 for being arranged on 3 top of lower housing, the bottom opening of upper shell 4, the top of lower housing 3 is opened
Mouthful, the size of upper shell 4 is more than the size of lower housing 3, and upper shell 4 is located at outside lower housing 3, and the inner wall of upper shell 4 is under
It is slidably connected between the outer wall of housing 3, upper shell 4 can be slided up and down along the outer wall of lower housing 3, the outer wall two of upper shell 4
Side is connected by supporting rod 5 with the bottom of outer case 1, and the supporting rod 5 is telescopic rod；Screen is provided on the inner wall of outer case 1
Cover layer, the shielded layer includes the glass layer, plastic layer of two-sided plating metal, electromagnetic absorption layer, two-sided successively from inside to outside
Plate plastic layer, the glass layer of metal；Lower housing 3 is set with being equipped with multiple heat emission holes on the bottom surface of outer case in shielded layer
There is zigzag heat dissipation channel.
The electromagnetic compatibility shielding case of the utility model using the structure of composite bed, can not only strengthen the structure of shielded box, but also
Can effectively absorb electromagnetic wave, and and inside can prevent extraneous electromagnetic wave from entering with reflection electromagnetic wave, internal electromagnetism
Ripple cannot can possess good electromagnetic compatibility shielding function, suitable for various shielding electromagnetic waves to external radiation；It simultaneously can also
Enough size regulating box sizes according to running equipment, to meet the use of different models of equipment.Outer internal box is filled out with outer case
Filled with shielded layer, shielded layer is combined by multilayer material, is had good effectiveness, be can be adapted for a variety of electromagnetism
The shielding of ripple；Multiple heat emission holes are equipped on the bottom surface of lower housing and outer case, zigzag heat dissipation channel is equipped in shielded layer,
The heat dissipation of electromagnetic equipment can be realized well, while does not interfere with the shield effectiveness of shielded layer again；Wherein internal box passes through upper
Housing is formed with lower housing, therefore according to the length of the size of running equipment, then adjusting supporting rod, so as to realize upper casing
The adjusting of the size of cavity between body and lower housing, to meet the use of different sized devices, when running equipment size is smaller,
Upper shell can coat lower housing wherein completely, at this point, upper shell is further formed double-layer structure with lower housing, improve screen
Cover effect.
Preferably, the top face of outer case is equipped with rain shade, and rain shade surface scribbles waterproof layer, can be to the upper of babinet
Fang Jinhang is blocked, and ambient weather etc. is avoided to impact babinet, while improves the water resistance of babinet.
Preferably, between the shielded layer and outer case shield effectiveness is further improved filled with conducting foam.
Preferably, the internal box and outer case are made of conducting polymer composite, improve the effect of electromagnetic compatibility shielding
Fruit and shield ranges are increased.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. for the high-efficiency shielding case of electromagnetic compatibility, which is characterized in that including outer case (1) and be set in outer case (1)
Internal box, outer case (1) form shielding cavity (2) between internal box, and the internal box includes being arranged on outer case (1) interior bottom
Lower housing (3) and the upper shell (4) that is arranged on above lower housing (3), the bottom opening of upper shell (4), lower housing (3)
Open top, the size of upper shell (4) are more than the size of lower housing (3), and upper shell (4) is located at lower housing (3) outside, and upper casing
It is slidably connected between the inner wall of body (4) and the outer wall of lower housing (3), upper shell (4) can be along above and below the outer wall of lower housing (3)
It slides, the outer wall both sides of upper shell (4) are connected by supporting rod (5) with the bottom of outer case (1), and the supporting rod (5) is to stretch
Contracting bar；It is provided with shielded layer on the inner wall of outer case (1), the shielded layer includes glass layer, two-sided successively from inside to outside
Plate plastic layer, electromagnetic absorption layer, plastic layer, the glass layer of two-sided plating metal of metal；Lower housing (3) and the bottom of outer case
Multiple heat emission holes are equipped on face, zigzag heat dissipation channel is equipped in shielded layer.
2. the high-efficiency shielding case according to claim 1 for electromagnetic compatibility, which is characterized in that the top surface of outer case (1)
Top is equipped with rain shade, and rain shade surface scribbles waterproof layer.
3. the high-efficiency shielding case according to claim 1 for electromagnetic compatibility, which is characterized in that the shielded layer and outer container
Conducting foam is filled between body (1).
4. the high-efficiency shielding case according to claim 1 for electromagnetic compatibility, which is characterized in that the internal box and outer container
Body (1) is made of conducting polymer composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721373830.4U CN207460732U (en) | 2017-10-18 | 2017-10-18 | For the high-efficiency shielding case of electromagnetic compatibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721373830.4U CN207460732U (en) | 2017-10-18 | 2017-10-18 | For the high-efficiency shielding case of electromagnetic compatibility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207460732U true CN207460732U (en) | 2018-06-05 |
Family
ID=62281099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721373830.4U Expired - Fee Related CN207460732U (en) | 2017-10-18 | 2017-10-18 | For the high-efficiency shielding case of electromagnetic compatibility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207460732U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635391A (en) * | 2017-10-18 | 2018-01-26 | 四川嘉义雷科电子技术有限公司 | The shielded box of electromagnetic compatibility easy to use |
| CN109890193A (en) * | 2019-04-16 | 2019-06-14 | 出门问问信息科技有限公司 | A kind of shielding case and shielding harness |
| CN110210587A (en) * | 2019-05-24 | 2019-09-06 | 广州佳帆计算机有限公司 | A kind of multi-functional RFID channel machine |
| CN110446416A (en) * | 2019-09-10 | 2019-11-12 | 山东省产品质量检验研究院 | A kind of electromagnetic compatibility case |
-
2017
- 2017-10-18 CN CN201721373830.4U patent/CN207460732U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635391A (en) * | 2017-10-18 | 2018-01-26 | 四川嘉义雷科电子技术有限公司 | The shielded box of electromagnetic compatibility easy to use |
| CN109890193A (en) * | 2019-04-16 | 2019-06-14 | 出门问问信息科技有限公司 | A kind of shielding case and shielding harness |
| CN109890193B (en) * | 2019-04-16 | 2020-06-09 | 出门问问信息科技有限公司 | Shielding case and shielding system |
| CN110210587A (en) * | 2019-05-24 | 2019-09-06 | 广州佳帆计算机有限公司 | A kind of multi-functional RFID channel machine |
| CN110210587B (en) * | 2019-05-24 | 2022-03-22 | 广州佳帆计算机有限公司 | Multifunctional RFID (radio frequency identification) channel machine |
| CN110446416A (en) * | 2019-09-10 | 2019-11-12 | 山东省产品质量检验研究院 | A kind of electromagnetic compatibility case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High efficiency shielding box for electromagnetic compatibility Effective date of registration: 20210827 Granted publication date: 20180605 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: SICHUAN JIAYI LEIKE ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2021980008524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 |