CN207305273U9 - The body structure of the good electromagnetic compatibility case of water resistance - Google Patents
The body structure of the good electromagnetic compatibility case of water resistance Download PDFInfo
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- CN207305273U9 CN207305273U9 CN201721346989.7U CN201721346989U CN207305273U9 CN 207305273 U9 CN207305273 U9 CN 207305273U9 CN 201721346989 U CN201721346989 U CN 201721346989U CN 207305273 U9 CN207305273 U9 CN 207305273U9
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Abstract
The utility model discloses the body structures of the good electromagnetic compatibility case of water resistance, including outer case with being arranged internal box in the outer case, shielding cavity is formed between outer case and internal box, multiple demarcation strips are equipped in shielding cavity, the outer wall of the inner wall and internal box of demarcation strip and outer case mutually vertical connection, interval is filled with shielded layer in shielding cavity, multiple heat emission holes are equipped on the side wall of internal box and the top surface of outer case, zigzag heat dissipation channel is equipped in shielded layer, the top face of outer case is equipped with rain shade, extractor fan is equipped between rain shade and the top surface 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 and inside can be with reflection electromagnetic wave, preventing extraneous electromagnetic wave, internal electromagnetic wave cannot be to external radiation from entering, can possess good electromagnetic compatibility shielding function, suitable for various shielding electromagnetic waves.
Description
Technical field
The utility model is related to a kind of electromagnetic compatibility shielding casees, and in particular to the body structure of the good electromagnetic compatibility case of water resistance.
Background technology
Electro Magnetic Compatibility (EMC) refers to that equipment or system meet the requirements operation to the ability of the intolerable electromagnetic interference of any equipment generation in its environment in its electromagnetic environment.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 refer to that utensil has a degree of immunity to interference, i.e. electromagnetic susceptibility to electromagnetic interference present in the environment of place.The various electrically or electronically equipment of electromagnetic compatibility meet the normal work ability of design requirement with defined safety coefficient in the common space of electromagnetic environment complexity.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 expanding to influence of the electromagnetic field to ecological environment again, electromagnetic compatibility subject content can be referred to as environmental electromagnetism again.Traditional electromagnetic compatibility shielding device usually only uses one layer of metallic 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 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 metallic plate 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, easily electromagnetic interference is caused mutually with other electromagnetic equipments, therefore traditional shielding construction cannot meet the shielding requirements under complex electromagnetic environment, it is designed to provide the body structure of the good electromagnetic compatibility case of water resistance, using the structure of composite bed, both the structure of shielded box can have been strengthened, electromagnetic wave can be effectively absorbed again, and and inside can be with reflection electromagnetic wave, prevent extraneous electromagnetic wave from entering, internal electromagnetic wave cannot can possess good electromagnetic compatibility shielding function, suitable for various shielding electromagnetic waves to external radiation.
The utility model is achieved through the following technical solutions：
The body structure of the good electromagnetic compatibility case of water resistance, including outer case with being arranged internal box in the outer case, shielding cavity is formed between outer case and internal box, multiple demarcation strips are equipped in shielding cavity, the outer wall of the inner wall and internal box of demarcation strip and outer case mutually vertical connection, shielding cavity is divided into multiple sub- cavitys by demarcation strip, interval includes glass layer, the plastic layer of two-sided plating metal, electromagnetic absorption layer, plastic layer, the glass layer of two-sided plating metal successively from inside to outside filled with shielded layer, the shielded layer in sub- cavity；Multiple heat emission holes are equipped on the side wall of internal box and the top surface of outer case, zigzag heat dissipation channel is equipped in shielded layer, the top face of outer case is equipped with rain shade, extractor fan is equipped between rain shade and the top surface 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 and inside can be with reflection electromagnetic wave, preventing extraneous electromagnetic wave, internal electromagnetic wave cannot be to external radiation from entering, can possess good electromagnetic compatibility shielding function, suitable for various shielding electromagnetic waves.Shielding cavity between internal box and outer case has been divided into multiple sub- cavitys, has been then filled with shielded layer, shielded layer is combined by multilayer material, is had good effectiveness, be can be adapted for a variety of shielding electromagnetic waves；Multiple heat emission holes are equipped on the side wall of internal box and the top surface of outer case, zigzag heat dissipation channel is equipped in shielded layer, can realize the heat dissipation of electromagnetic equipment well, while not interfere with the shield effectiveness of shielded layer again；The top face of outer case is equipped with rain shade, ambient weather etc. can be avoided to impact babinet, extractor fan is equipped between rain shade and the top surface of outer case, radiating efficiency can be improved by heat emission hole and heat dissipation channel to being blocked above babinet.
Rain shade surface scribbles waterproof layer, improves the water resistance of babinet.
It is hollow-core construction in the demarcation strip, conducting foam is filled in demarcation strip, further improves the shield effectiveness of babinet.
The internal box and outer case are made of conducting polymer composite, are improved the effect of electromagnetic compatibility shielding and have been increased shield ranges.
The utility model compared with prior art, has the following advantages and advantages：
1st, the body structure of the good electromagnetic compatibility case of the utility model water resistance, using the structure of composite bed, both the structure of shielded box can have been strengthened, electromagnetic wave can be effectively absorbed again, and and inside can be with reflection electromagnetic wave, preventing extraneous electromagnetic wave, internal electromagnetic wave cannot be to external radiation from entering, can possess good electromagnetic compatibility shielding function, suitable for various shielding electromagnetic waves；
2nd, the body structure of the good electromagnetic compatibility case of the utility model water resistance, rain shade surface scribbles waterproof layer, improves the water resistance of babinet, is hollow-core construction in the demarcation strip, conducting foam is filled in demarcation strip, further improves the shield effectiveness of babinet；
3rd, the body structure of the good electromagnetic compatibility case of the utility model water resistance, it pads to be electrically connected the cap and the housing and prevents the annular seal space in-body devices energy to housing external diffusion equipped with leaching rubber screen pad, the leaching rubber screen between outer case and internal box；The internal box and outer case are made of conducting polymer composite, are improved the effect of electromagnetic compatibility shielding and have been increased shield ranges.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the part of the application, 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- internal box, 3- shielding cavities, 4- heat emission holes, 5- rain shades, 6- demarcation strips.
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, the exemplary embodiment and its explanation of the utility model are only used for explaining the utility model, are not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, the body structure of the good electromagnetic compatibility case of the utility model water resistance, including outer case 1 and the internal box 2 being set in outer case 1, shielding cavity 3 is formed between outer case 1 and internal box 2, multiple demarcation strips 6 are equipped in shielding cavity 3, the inner wall of demarcation strip 6 and outer case 1 and the outer wall of internal box 2 mutually vertical connection, shielding cavity 3 is divided into multiple sub- cavitys by demarcation strip 6, interval is filled with shielded layer in sub- cavity, the shielded layer includes glass layer successively from inside to outside, the plastic layer of two-sided plating metal, electromagnetic absorption layer, the plastic layer of two-sided plating metal, glass layer；The side wall of internal box 2 is equipped with zigzag heat dissipation channel, the top face of outer case 1 is equipped with rain shade 5, extractor fan is equipped between rain shade 5 and the top surface of outer case 1 with being equipped with multiple heat emission holes 4 on the top surface of outer case 1 in shielded layer.
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 and inside can be with reflection electromagnetic wave, preventing extraneous electromagnetic wave, internal electromagnetic wave cannot be to external radiation from entering, can possess good electromagnetic compatibility shielding function, suitable for various shielding electromagnetic waves.Shielding cavity between internal box and outer case has been divided into multiple sub- cavitys, has been then filled with shielded layer, shielded layer is combined by multilayer material, is had good effectiveness, be can be adapted for a variety of shielding electromagnetic waves；Multiple heat emission holes are equipped on the side wall of internal box and the top surface of outer case, zigzag heat dissipation channel is equipped in shielded layer, can realize the heat dissipation of electromagnetic equipment well, while not interfere with the shield effectiveness of shielded layer again；The top face of outer case is equipped with rain shade, ambient weather etc. can be avoided to impact babinet, extractor fan is equipped between rain shade and the top surface of outer case, radiating efficiency can be improved by heat emission hole and heat dissipation channel to being blocked above babinet.
Preferably, rain shade surface scribbles waterproof layer, improves the water resistance of babinet.
Preferably, it is hollow-core construction in the demarcation strip, conducting foam is filled in demarcation strip, further improves the shield effectiveness of babinet.
Preferably, the internal box and outer case are made of conducting polymer composite, are improved the effect of electromagnetic compatibility shielding and have been increased shield ranges.
Above-described specific embodiment; the purpose of this utility model, technical solution and advantageous effect are had been further described; it should be understood that; the foregoing is merely specific embodiment of the present utility model; it is not used to limit the scope of protection of the utility model; within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.
Claims (4)
1. the body structure of the good electromagnetic compatibility case of water resistance, it is characterized in that, including outer case (1) and the internal box (2) being set in outer case (1), shielding cavity (3) is formed between outer case (1) and internal box (2), multiple demarcation strips (6) are equipped in shielding cavity (3), the inner wall of demarcation strip (6) and outer case (1) and the outer wall of internal box (2) mutually vertical connection, shielding cavity (3) is divided into multiple sub- cavitys by demarcation strip (6), interval is filled with shielded layer in sub- cavity, the shielded layer includes glass layer successively from inside to outside, the plastic layer of two-sided plating metal, electromagnetic absorption layer, the plastic layer of two-sided plating metal, glass layer；The side wall of internal box (2) on the top surface of outer case (1) with being equipped with multiple heat emission holes (4), zigzag heat dissipation channel is equipped in shielded layer, the top face of outer case (1) is equipped with rain shade (5), and extractor fan is equipped between rain shade (5) and the top surface of outer case (1).
2. the body structure of the good electromagnetic compatibility case of water resistance according to claim 1, which is characterized in that rain shade (5) surface scribbles waterproof layer.
3. the body structure of the good electromagnetic compatibility case of water resistance according to claim 1, which is characterized in that be hollow-core construction in the demarcation strip (6), conducting foam is filled in demarcation strip (6).
4. the body structure of the good electromagnetic compatibility case of water resistance according to claim 1, which is characterized in that the internal box (2) and outer case (1) are made of conducting polymer composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346989.7U CN207305273U9 (en) | 2017-10-18 | 2017-10-18 | The body structure of the good electromagnetic compatibility case of water resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346989.7U CN207305273U9 (en) | 2017-10-18 | 2017-10-18 | The body structure of the good electromagnetic compatibility case of water resistance |
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| Publication Number | Publication Date |
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| CN207305273U CN207305273U (en) | 2018-05-01 |
| CN207305273U9 true CN207305273U9 (en) | 2018-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734949B (en) * | 2017-10-18 | 2019-11-05 | 四川嘉义雷科电子技术有限公司 | A kind of waterproof construction of electromagnetic compatibility control cabinet |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446416B (en) * | 2019-09-10 | 2020-04-07 | 山东省产品质量检验研究院 | Electromagnetic compatibility box |
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- 2017-10-18 CN CN201721346989.7U patent/CN207305273U9/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734949B (en) * | 2017-10-18 | 2019-11-05 | 四川嘉义雷科电子技术有限公司 | A kind of waterproof construction of electromagnetic compatibility control cabinet |
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| CN207305273U (en) | 2018-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model patent | ||
| CU01 | Correction of utility model patent |
Correction item: Claims|Description Correct: Zheng Que False: Cuo Wu Number: 18-01 Page: Quan Wen Volume: 34 |
|
| 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: Box structure of electromagnetic compatibility box with good waterproof performance Effective date of registration: 20210827 Granted publication date: 20180501 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: SICHUAN JIAYI LEIKE ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2021980008524 |