CN203934168U - A kind of casing with electro-magnetic screen layer - Google Patents
A kind of casing with electro-magnetic screen layer Download PDFInfo
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- CN203934168U CN203934168U CN201420365610.7U CN201420365610U CN203934168U CN 203934168 U CN203934168 U CN 203934168U CN 201420365610 U CN201420365610 U CN 201420365610U CN 203934168 U CN203934168 U CN 203934168U
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- screen layer
- casing
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- metal screen
- layer
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Abstract
The utility model provides a kind of casing with electro-magnetic screen layer, it is characterized in that, described casing comprises casing ontology and casing leading-out terminal; Described casing leading-out terminal is located at described casing ontology one side; Described casing ontology comprises shell body, electro-magnetic screen layer and inner housing; Described electro-magnetic screen layer is located between described shell body and described inner housing, and described inner housing surrounds a casing chamber; Wherein, described casing chamber can be accommodated circuit board.Of the present utility model is double layer of metal net with the screen in the casing of electro-magnetic screen layer, and double layer of metal net complementation, ensure so better to the shielding of signal, two-layer screen is located in same substrate, can reduce like this thickness and the weight of casing, and between screen and casing, be also provided with drying layer, prevent that so outside steam from entering in casing, device can better be worked.
Description
Technical field
The utility model relates to a kind of electromagnetic interference field of reducing, and relates in particular to a kind of casing with electro-magnetic screen layer.
Background technology
Electromagnetic wave is the major way of electromagnetic energy travels, and when high-frequency circuit work, the outside radiated electromagnetic wave of meeting, produces and disturb contiguous miscellaneous equipment.On the other hand, the various electromagnetic waves in space also can sense in circuit, and circuit is caused to interference.The effect of electromagnetic shielding is to cut off electromagnetic wave propagation approach, disturbs thereby eliminate.Solving in many means of electromagnetic interference problem, electromagnetic shielding is that fundamental sum is effective.
The structure of existing electromagnetic shielding box as shown in Figure 1, for electromagnetic shield 10, mainly comprise casing 101, aluminium flake 102 and inner casing 103, intercept electromagnetic object as shield to reach, because wherein aluminium flake 102 and casing 101, inner casing 103 all need independent processing and manufacturing, quite trouble, and need again separately manually to paste double faced adhesive tape combination, increase triviality, in addition, casing does not have thermal conductance, under closed state, power supply unit is easier to Yin Gaore and damages, therefore the space that existing product is still improved.
Utility model content
Technical solutions of the utility model are as follows: a kind of casing with electro-magnetic screen layer, it is characterized in that, and described casing comprises casing ontology and casing leading-out terminal; Described casing leading-out terminal is located at described casing ontology one side; Described casing ontology comprises shell body, electro-magnetic screen layer and inner housing; Described electro-magnetic screen layer is located between described shell body and described inner housing, and described inner housing surrounds a casing chamber; Wherein, described casing chamber can be accommodated circuit board; And
Described electro-magnetic screen layer comprises substrate, the first glue-line, the second glue-line, the first metal screen layer and the second metal screen layer, and described the first glue-line is located at a wherein surface of described substrate, and described the second glue-line is located at another surface of described substrate; Described the first glue-line is provided with the first groove away from a surface of described substrate; Described the first metal screen layer is provided with in described the first groove; Described the second glue-line is provided with the second groove away from a surface of described substrate, and described the second metal screen layer is located in described the second groove, and the grid that described the first metal screen layer and the second metal screen layer are made up of metal material forms; And described the first metal screen layer and the second metal screen layer grid stagger mutually;
Described casing ontology also comprises the first drying layer and the second drying layer; Described the first drying layer is located between described shell body and described electro-magnetic screen layer; Described the second drying layer is located between described inner housing and described electro-magnetic screen layer.
Further, described electro-magnetic screen layer can also be: described electro-magnetic screen layer comprises substrate, the first metal screen layer and the second metal screen layer, and described the first metal screen layer is provided with one of them surface of described substrate; Described the second metal screen layer is located at another surface of described substrate, described the first metal screen layer and the second metal screen layer are convexly set in two surfaces of described substrate, and the grid that described the first metal screen layer and the second metal screen layer are made up of metal material forms; And described the first metal screen layer and the second metal screen layer grid stagger mutually.
Further, between described the first metal screen layer and described substrate, be also provided with glue-line, between described the second metal screen layer and described substrate, be also provided with glue-line, described the first metal screen layer and the second metal screen layer are convexly set in described glue-line surface.
Further, described grid is one or more combinations in square, rectangle, rhombus, pentagon, regular hexagon.
Further, the length of side of described grid is 50 μ m～100 μ m.
The beneficial effects of the utility model:
Of the present utility model is double layer of metal net with the screen in the casing of electro-magnetic screen layer, and double layer of metal net complementation, ensure so better to the shielding of signal, two-layer screen is located in same substrate, can reduce like this thickness and the weight of casing, and between screen and casing, be also provided with drying layer, prevent that so outside steam from entering in casing, device can better be worked.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below.
Fig. 1 is prior art electromagnetic shielding box structural representation;
Fig. 2 is a kind of casing structure schematic diagram with electro-magnetic screen layer of the utility model;
Fig. 3 is the cross section structure schematic diagram of A-A' direction in Fig. 2;
Fig. 4 is a kind of structural representation with screen in the casing of electro-magnetic screen layer;
Fig. 5 is a kind of screen cross section structure schematic diagram of B-B ' direction in Fig. 4;
Fig. 6 is the another kind of screen cross section structure schematic diagram of B-B ' direction in Fig. 4;
Fig. 7 is the casing structure schematic diagram of screen in application drawing 6;
Fig. 8 is the casing structure schematic diagram with electro-magnetic screen layer with drying layer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, a kind of casing with electro-magnetic screen layer, described casing 1 comprises casing ontology 2 and casing leading-out terminal 3; Described casing leading-out terminal 3 is located at described casing ontology 2 one sides; Shown in Fig. 3, Fig. 7, described casing ontology 2 comprises shell body 21, electro-magnetic screen layer 22 and inner housing 23; Described electro-magnetic screen layer 22 is located between described shell body 21 and described inner housing 23, and described inner housing 23 surrounds a casing chamber 29; Wherein, described casing chamber 29 can be accommodated circuit board.
As shown in Figure 6, wherein, described electro-magnetic screen layer 22 comprises substrate 20, the first glue-line 27, the second glue-line 28, the first metal screen layer 25 and the second metal screen layer 26, described the first glue-line 27 is located at a wherein surface of described substrate 20, and described the second glue-line 28 is located at described substrate 20 another surfaces; Described the first glue-line 27 is provided with the first groove away from a surface of described substrate 20; Described the first metal screen layer 25 is provided with in described the first groove; Described the second glue-line 28 is provided with the second groove away from a surface of described substrate 20, described the second metal screen layer 26 is located in described the second groove, shown in Fig. 4, the grid 24 that described the first metal screen layer 25 and the second metal screen layer 26 are made up of metal material forms; And described the first metal screen layer 25 and the second metal screen layer 26 grids stagger mutually; Of the present utility model is double layer of metal net with the screen in the casing of electro-magnetic screen layer, and the complementation of double layer of metal net, and guarantee is better to the shielding of signal like this, and two-layer screen is located in same substrate, can reduce like this thickness and the weight of casing.
As shown in Figure 8, wherein, described casing ontology 2 also comprises the first drying layer 4 and the second drying layer 5; Described the first drying layer 4 is located between described shell body 21 and described electro-magnetic screen layer 22; Described the second drying layer 5 is located between described inner housing 23 and described electro-magnetic screen layer 22, of the present utility model with being also provided with drying layer between the screen in the casing of electro-magnetic screen layer and casing, prevent that so outside steam from entering in casing, device can better be worked.
Another preferred version, as shown in Figure 5, described electro-magnetic screen layer 22 can also be: described electro-magnetic screen layer 22 comprises substrate 20, the first metal screen layer 25 and the second metal screen layer 26, and described the first metal screen layer 25 is provided with one of them surface of described substrate 20; Described the second metal screen layer 26 is located at another surface of described substrate 20, described the first metal screen layer 25 and the second metal screen layer 26 are convexly set in two surfaces of described substrate 20, shown in Fig. 4, the grid 24 that described the first metal screen layer 25 and the second metal screen layer 26 are made up of metal material forms; And described the first metal screen layer 25 and the second metal screen layer 26 grids stagger mutually.
Another preferred version, between described the first metal screen layer 25 and described substrate 20, be also provided with glue-line, between described the second metal screen layer 26 and described substrate 20, be also provided with glue-line, described the first metal screen layer 25 and the second metal screen layer 26 are convexly set in described glue-line surface.
Another preferred version, described grid 24 is one or more combinations in square, rectangle, rhombus, pentagon, regular hexagon.
Another preferred version, the length of side of described grid 24 is 50 μ m～100 μ m.
Of the present utility model is double layer of metal net with the screen in the casing of electro-magnetic screen layer, and double layer of metal net complementation, ensure so better to the shielding of signal, two-layer screen is located in same substrate, can reduce like this thickness and the weight of casing, and between screen and casing, be also provided with drying layer, prevent that so outside steam from entering in casing, device can better be worked.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. with a casing for electro-magnetic screen layer, it is characterized in that, described casing (1) comprises casing ontology (2) and casing leading-out terminal (3); Described casing leading-out terminal (3) is located at described casing ontology (2) one sides; Described casing ontology (2) comprises shell body (21), electro-magnetic screen layer (22) and inner housing (23); Described electro-magnetic screen layer (22) is located between described shell body (21) and described inner housing (23), and described inner housing (23) surrounds a casing chamber (29); Wherein, described casing chamber (29) can be accommodated circuit board; And
Described electro-magnetic screen layer (22) comprises substrate (20), the first glue-line (27), the second glue-line (28), the first metal screen layer (25) and the second metal screen layer (26), described the first glue-line (27) is located at a wherein surface of described substrate (20), and described the second glue-line (28) is located at another surface of described substrate (20); Described the first glue-line (27) is provided with the first groove away from a surface of described substrate (20); Described the first metal screen layer (25) is provided with in described the first groove; Described the second glue-line (28) is provided with the second groove away from a surface of described substrate (20), described the second metal screen layer (26) is located in described the second groove, and described the first metal screen layer (25) forms with the grid (24) that the second metal screen layer (26) is made up of metal material; And described the first metal screen layer (25) staggers mutually with the second metal screen layer (26) grid;
Described casing ontology (2) also comprises the first drying layer (4) and the second drying layer (5); Described the first drying layer (4) is located between described shell body (21) and described electro-magnetic screen layer (22); Described the second drying layer (5) is located between described inner housing (23) and described electro-magnetic screen layer (22).
2. the casing with electro-magnetic screen layer as claimed in claim 1, it is characterized in that, described electro-magnetic screen layer (22) can also be: described electro-magnetic screen layer (22) comprises substrate (20), the first metal screen layer (25) and the second metal screen layer (26), and described the first metal screen layer (25) is provided with one of them surface of described substrate (20); Described the second metal screen layer (26) is located at another surface of described substrate (20), described the first metal screen layer (25) and the second metal screen layer (26) are convexly set in two surfaces of described substrate (20), and described the first metal screen layer (25) forms with the grid (24) that the second metal screen layer (26) is made up of metal material; And described the first metal screen layer (25) staggers mutually with the second metal screen layer (26) grid.
3. the casing with electro-magnetic screen layer as claimed in claim 2, it is characterized in that, between described the first metal screen layer (25) and described substrate (20), be also provided with glue-line, between described the second metal screen layer (26) and described substrate (20), be also provided with glue-line, described the first metal screen layer (25) is convexly set in described glue-line surface with the second metal screen layer (26).
4. the casing with electro-magnetic screen layer as described in as arbitrary in claim 1～3, is characterized in that, described grid (24) is one or more combinations in square, rectangle, rhombus, pentagon, regular hexagon.
5. the casing with electro-magnetic screen layer as described in as arbitrary in claim 1～3, is characterized in that, the length of side of described grid (24) is 50 μ m～100 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365610.7U CN203934168U (en) | 2014-07-04 | 2014-07-04 | A kind of casing with electro-magnetic screen layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365610.7U CN203934168U (en) | 2014-07-04 | 2014-07-04 | A kind of casing with electro-magnetic screen layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203934168U true CN203934168U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365610.7U Expired - Fee Related CN203934168U (en) | 2014-07-04 | 2014-07-04 | A kind of casing with electro-magnetic screen layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203934168U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378964A (en) * | 2014-12-09 | 2015-02-25 | 成都国蓉科技有限公司 | Electromagnetic compatibility shield compartment |
| CN105403783A (en) * | 2015-11-12 | 2016-03-16 | 成都格瑞思文化传播有限公司 | Novel digital processing unit |
| CN108092464A (en) * | 2016-11-21 | 2018-05-29 | 陈炯蒿 | EMI isolation casing and EMI isolation sheet material of generator |
| CN110099509A (en) * | 2019-04-08 | 2019-08-06 | Oppo广东移动通信有限公司 | Circuit board and electronic equipment |
| CN111148418A (en) * | 2018-11-05 | 2020-05-12 | 苏州大学 | Shielding film and manufacturing method thereof |
| CN112105247A (en) * | 2019-06-18 | 2020-12-18 | 昇印光电（昆山）股份有限公司 | Electromagnetic shielding film |
-
2014
- 2014-07-04 CN CN201420365610.7U patent/CN203934168U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378964A (en) * | 2014-12-09 | 2015-02-25 | 成都国蓉科技有限公司 | Electromagnetic compatibility shield compartment |
| CN104378964B (en) * | 2014-12-09 | 2017-07-07 | 成都国蓉科技有限公司 | Electromagnetic compatibility shielding cabin |
| CN105403783A (en) * | 2015-11-12 | 2016-03-16 | 成都格瑞思文化传播有限公司 | Novel digital processing unit |
| CN108092464A (en) * | 2016-11-21 | 2018-05-29 | 陈炯蒿 | EMI isolation casing and EMI isolation sheet material of generator |
| CN111148418A (en) * | 2018-11-05 | 2020-05-12 | 苏州大学 | Shielding film and manufacturing method thereof |
| CN110099509A (en) * | 2019-04-08 | 2019-08-06 | Oppo广东移动通信有限公司 | Circuit board and electronic equipment |
| CN112105247A (en) * | 2019-06-18 | 2020-12-18 | 昇印光电（昆山）股份有限公司 | Electromagnetic shielding film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150704 |
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| EXPY | Termination of patent right or utility model |