CN205793948U - A kind of low frequency electromagnetic shielding box of mobile telephone - Google Patents
A kind of low frequency electromagnetic shielding box of mobile telephone Download PDFInfo
- Publication number
- CN205793948U CN205793948U CN201620765225.0U CN201620765225U CN205793948U CN 205793948 U CN205793948 U CN 205793948U CN 201620765225 U CN201620765225 U CN 201620765225U CN 205793948 U CN205793948 U CN 205793948U
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- China
- Prior art keywords
- low frequency
- frequency electromagnetic
- box body
- mobile telephone
- lid
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- Expired - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Telephone Set Structure (AREA)
Abstract
This utility model relates to a kind of low frequency electromagnetic shielding box of mobile telephone, including the box body being made up of insulant and the lid being connected with box body, described box body and the inner surface of lid and outer surface are respectively equipped with metal level, being provided with the groove pattern constituting vortex flow loop on the metal layer, described groove pattern penetrates affiliated metal level.This utility model box of mobile telephone reasonable in design; manufacture, easy to process; low cost, easy to use, on the premise of not affecting mobile phone normal received signal; can effectively shield 1kHz 100kHz low frequency electromagnetic radiation; radiation-proof effect is good, protects health, is not only applicable to the low frequency electromagnetic radiation shielding of mobile phone; it is also applied for the low frequency electromagnetic radiation shielding of small-size wireless terminal equipment, such as air-conditioning remote control, TV remote controller etc..
Description
Technical field
This utility model belongs to radiation protection technology field, specifically refers to a kind of low frequency electromagnetic shielding box of mobile telephone.
Background technology
In recent years, along with expanding economy, the life of people increasingly be unable to do without each electronic product, especially mobile phone,
The electromagnetic radiation that electronic product produces is increasingly subject to society as the polluter of new class and pays close attention to widely.
Electromagnetic radiation is electric field and magnetic field common effect in space produces, it be energy with electromagnetic wave to sky
Middle transmitting or a kind of phenomenon of leakage.Multiple studies have shown that, electromagnetic radiation all has danger to nervous system, the reproductive system of human body
Evil, even can induce canceration；There is scientist to study discovery cellular radiation and can change animal brain DNA, the DNA double spiral shell radiated
Rotation structure splinter, generates new harmful substance simultaneously；Having scientist to study to show, electromagnetic radiation can cause motility of sperm
Rate declines, abnormal rate increases, fertility declines with existing, thus causes male fertility to decline；2011, international cancer ground
Studying carefully mechanism (IARC) to issue a statement, assert and use mobile phone can increase the risk suffering from cancer, cellular radiation may obtain with cellie
Cancer has cause effect relation.
In the device of existing anti-cellular radiation, be mostly the receiving and transmitting signal for mobile phone frequency band GSM 900MHz,
GSM1800MHz, UMTS1900MHz and Wi-Fi2400MHz, be i.e. commonly called as high-frequency band.But mobile phone is when normally working, except
High-frequency band can produce radiation, and the radiation of low frequency frequency range (1kHz-100kHz) also should not be underestimated.Through actual measurement: at 1kHz-16kHz
Scope, the magnetic strength intensity of mobile phone is between 0.2-0.8 μ T.Sweden is in line with " careful preventing principle ", by low frequency radiation state
Family's standard is set to " 0.2 μ T (2mG) ", it is believed that intensity low frequency electromagnetic radiation more than " 0.2 μ T (2mG) " is harmful.Beautiful
State imitates Sweden and " avoids " policy cautiously, receives the environmental protection Room U.S. in June nineteen ninety-five " radioactivity prevents test and appraisal meeting (NCRP) "
Suggestion, has formulated limits value to SLF electromagnetic field, it is determined as 2mG.
It addition, mostly the method for shielding now is to use the flexible material such as metallic plate and band tinsel non-woven fabrics, sheet metal
Material cost is high, and volume is thick；And use the flexible materials such as non-woven fabrics, and there is no hardness, inadequate to mobile phone protectiveness.
Summary of the invention
It is more reasonable, at the anti-spoke of 1kHz-100kHz that the technical problems to be solved in the utility model is to provide a kind of structure design
Penetrate effect more preferable low frequency electromagnetic shielding box of mobile telephone.
For solve above-mentioned technical problem, this utility model by the following technical solutions:
A kind of low frequency electromagnetic shielding box of mobile telephone, including the box body being made up of insulant and the lid being connected with box body, institute
State box body and the inner surface of lid and outer surface is respectively equipped with metal level, be provided with the groove constituting vortex flow loop on the metal layer
Pattern, described groove pattern penetrates affiliated metal level.
Preferably, above-mentioned spray deposit is on box body and lid.
Preferably, above-mentioned groove pattern engraving is formed.
Preferably, above-mentioned groove pattern is regular pattern or irregular pattern.
Preferably, above-mentioned box body and lid are one-body molded.
This utility model has a following remarkable result:
This utility model box of mobile telephone reasonable in design, manufacture, easy to process, low cost, easy to use, do not affecting hands
On the premise of machine normal received signal, it is possible to effectively shielding 1kHz-100kHz low frequency electromagnetic radiation, radiation-proof effect is good, protection
Health, is not only applicable to the low frequency electromagnetic radiation shielding of mobile phone, is also applied for the low frequency electromagnetic of small-size wireless terminal equipment
Radiation shield, such as air-conditioning remote control, TV remote controller etc..
Accompanying drawing explanation
Accompanying drawing 1 is this utility model open mode perspective view；
Accompanying drawing 2 is this utility model one box body or cover plate internal structure schematic diagram；
Accompanying drawing 3 is utility model one rule groove pattern structural representation；
Accompanying drawing 4 is another rule groove pattern structural representation of utility model；
Accompanying drawing 5 is utility model another rule groove pattern structural representation；
Accompanying drawing 6 is the irregular groove pattern structural representation of utility model one；
Accompanying drawing 7 is another irregular groove pattern structural representation of utility model；
Accompanying drawing 8 is the another irregular groove pattern structural representation of utility model；
Accompanying drawing 9 is utility model further irregular groove pattern structural representation；
Accompanying drawing 10 is the internal structure schematic diagram of another box body of utility model or cover plate.
Reference numeral illustrates:
1 box body 2 lid 3 metal level 31 groove.
Detailed description of the invention
For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing and embodiment, this utility model to be entered
One step describes in detail.
As shown in accompanying drawing 1-9, the box of mobile telephone that the present embodiment discloses is applicable to shield the low frequency electromagnetic of 1kHz-100kHz, should
Box of mobile telephone includes box body 1 and the lid 2 being connected with box body 1, and box body 1 and lid 2 are made by the material that electrical insulation is good, as
Rigid resin, lucite etc., soft plastics, rubber, fabric etc..
In the present embodiment, it is respectively equipped with metal level 3, metal level 3 material at box body 1 and the inner surface of lid 2 and outer surface
Can be selected for the high copper of pcrmeability, aluminum, ferrum etc..Metal level 3 is provided with the groove pattern 31 penetrating said metal layer 3, groove figure
Case 31 constitutes vortex flow loop；Processing for convenience, groove pattern 31 engraving is formed.
This utility model is by being respectively provided with metal level 3 in the inner and outer surfaces of box body 1 and lid 2, and on metal level 3
The groove pattern 31 penetrating said metal layer 3 is set, utilizes the vortex flow loop that groove pattern 31 is constituted, make box body 1 and lid 2
Surface product opposing magnetic field, thus utilize the suppression of this opposing magnetic field or weaken the 1kHz-100kHz low frequency electromagnetic that mobile phone produces.Real
In the application of border, according to different shielding demands, select different metal level 3 materials and different rollet patterns 31 be set,
When arranging decorative pattern for rule groove pattern 31, if pattern is rectangle, rhombus, triangle, the rollet figure such as circular or oval
Case 31, the frequency response of shield effectiveness is narrower, but the best in narrow bandwidth range inner shield effect, is relatively specific for shielding some specific
Frequency range；Be irregular groove pattern 31 when arranging decorative pattern, as tree, branched structure, geometry, planar spiral structures,
The rollet patterns 31 such as Hanzi structure, the frequency response of shield effectiveness is wider, but shield effectiveness is not good enough, is relatively more suitable for reducing width
The radiation level of band limits.
When this utility model box body 1 and lid 2 select the insulant of the pcb board level of 2.3mm, and metal level 3 selects 0.2mm
Layers of copper, can shield the electromagnetic radiation of 16KHz frequency range, makes this section of radiation drop to below 0.2uT, and radiation-proof effect is the best, very
Good protects health.
Processing for convenience and make metal level 3 consolidate and be connected on box body 1 and cover plate 2, metal level 3 is sprayed at box body 1 He
On lid 2.
It addition, the box body 1 of box of mobile telephone and lid 2 are one-body molded, completing the connection of each, mobile phone is positioned in box body 1, lid
Body 2 can cover and open, very easy to use, and shield effectiveness is good.
This utility model box of mobile telephone reasonable in design, manufacture, easy to process, low cost, easy to use, do not affecting hands
On the premise of machine normal received signal, it is possible to effectively shielding 1kHz-100kHz low frequency electromagnetic radiation, radiation-proof effect is good, protection
Health, is not only applicable to the low frequency electromagnetic radiation shielding of mobile phone, is also applied for the low frequency electromagnetic of small-size wireless terminal equipment
Radiation shield, such as air-conditioning remote control, TV remote controller etc..
Above-described embodiment is the preferred version that this utility model realizes, and indefiniteness is exhaustive, this reality under same idea
Other variations can also be had, as box body 1 is different with the number of plies of lid 2, at box body 1 and the upper and lower surface of lid 2 with novel
Being provided with metal level 3, and be respectively equipped with groove pattern 31 in inner and outer surfaces, as shown in Figure 10, this structure can reach equally
Requirement is designed to this utility model.It should be noted that on the premise of conceiving without departing from the present utility model, any aobvious and
The replacement being clear to is all within this utility model protection domain.
Claims (5)
1. a low frequency electromagnetic shielding box of mobile telephone, including the box body (1) being made up of insulant and the lid being connected with box body
(2), it is characterised in that: described box body and the inner surface of lid and outer surface are respectively equipped with metal level (3), are provided with on the metal layer
Constituting the groove pattern (31) in vortex flow loop, described groove pattern penetrates affiliated metal level.
Low frequency electromagnetic the most according to claim 1 shielding box of mobile telephone, it is characterised in that: described spray deposit in box body and
On lid.
Low frequency electromagnetic the most according to claim 2 shielding box of mobile telephone, it is characterised in that: described groove pattern engraving is formed.
Low frequency electromagnetic the most according to claim 3 shielding box of mobile telephone, it is characterised in that: described groove pattern is regular pattern
Or irregular pattern.
5. shield box of mobile telephone according to the low frequency electromagnetic according to any one of claim 1-4, it is characterised in that: described box body and lid
Body by integral forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765225.0U CN205793948U (en) | 2016-07-20 | 2016-07-20 | A kind of low frequency electromagnetic shielding box of mobile telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765225.0U CN205793948U (en) | 2016-07-20 | 2016-07-20 | A kind of low frequency electromagnetic shielding box of mobile telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205793948U true CN205793948U (en) | 2016-12-07 |
Family
ID=58120945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620765225.0U Expired - Fee Related CN205793948U (en) | 2016-07-20 | 2016-07-20 | A kind of low frequency electromagnetic shielding box of mobile telephone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205793948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167748A (en) * | 2017-04-28 | 2017-09-15 | 华中科技大学 | A kind of field probe for shielding electric field |
-
2016
- 2016-07-20 CN CN201620765225.0U patent/CN205793948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167748A (en) * | 2017-04-28 | 2017-09-15 | 华中科技大学 | A kind of field probe for shielding electric field |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200720 |