CN201796088U - Test container for SAR performance of data card antenna - Google Patents
Test container for SAR performance of data card antenna Download PDFInfo
- Publication number
- CN201796088U CN201796088U CN2010205068614U CN201020506861U CN201796088U CN 201796088 U CN201796088 U CN 201796088U CN 2010205068614 U CN2010205068614 U CN 2010205068614U CN 201020506861 U CN201020506861 U CN 201020506861U CN 201796088 U CN201796088 U CN 201796088U
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- data card
- sar
- tissue fluid
- container
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Abstract
The utility model relates to a test container for SAR (synthetic aperture radar) performance of a data card antenna in the technical field of wireless communication, the shape is a cuboid of 220mm multiplied by 160mm multiplied by 100mm, rectangular solid inner concave cavities of 15mm multiplied by 15mm multiplied by 100mm are respectively arranged at four port pins at the bottom of the test container, a data card to be tested is arranged in the test container, and the distance between the geometric center of the data card and that of the test container is not more than 5mm. The device can solve the problem that the size of a tissue fluid container established according to IEC62209-2 Ed.1 (international electrotechnical commission 62209-2 edition. 1) is too large in the prior art, so that the simulation design time is too long and the efficiency is quite low; and a reasonable and high-efficient tissue fluid container model is provided by changing the shape and the size of the tissue fluid container in the simulation design of the data card antenna and researching the corresponding change of SAR value, thereby improving the efficiency of design simulation while ensuring the accuracy.
Description
Technical field
The utility model relates to the device in a kind of wireless radio-frequency field, specifically is a kind of test container that is used for data card antenna SAR performance.
Background technology
At present, the electronic technology development is maked rapid progress, and each electronic product more and more obtains popularizing and using in people's daily life, and the electromagnetic radiation that electronic product produces also more and more causes people's attention to this problem of harm of human body.Characterize the influence of electromagnetic radiation with SAR in the bioelectromagnetics to biosome.SAR (Specific Absorption Rate) is the electromagnetic wave specific absorption rate, is defined as the electromagnetic power that tissue absorbed or consumed of unit mass, and unit is W/kg.The SAR value just progressively becomes an important indicator weighing the electronic product quality, and all kinds of standards about SAR are also formulated in succession.Wherein, IEC (International Electrotechnical Commission) is an important mechanism of formulating the SAR standard, and IEC 62209-2Ed.1 makes the series of standards method of the relevant test of SAR.Hold specified tissue liquid mimic biology body with the regulation shapes of containers, electronic product is in normal operating conditions in its vicinity, moves in test container and tests with a probe, and record test point electric field value is according to formula
Wherein σ is the tissue fluid conductivity, and ρ is a tissue fluid density, and E is institute's measuring point electric field value, calculates the SAR value.The tissue fluid of appointment is oversize among the IEC 62209-2 Ed.1, and this standard is used in electronic product research and development at present and actual test, so caused the design of Simulation overlong time, has seriously restricted the efficient of scientific research and research and development of products.
Find through retrieval prior art, introduced the device of relevant data card antenna SAR test among the IEC 62209-2Ed.1, comprise the tissue fluid model and the notebook computer of simulating human body, wherein the tissue fluid container shapes is a rectangular parallelepiped, be of a size of: 220mm*160mm*150mm, notebook computer do not describe style in detail.But the test organization liquid container is oversize in the prior art, causes the design of Simulation overlong time, very low this problem of efficient.
The utility model content
The utility model is at the prior art above shortcomings, a kind of test container that is used for data card antenna SAR performance is provided, solved the oversize of the tissue fluid container that IEC 62209-2Ed.1 formulates in the prior art, cause the design of Simulation overlong time, very low this problem of efficient, change by shape and size tissue fluid container in the data card antenna design of Simulation, the respective change of research SAR value, and then tissue fluid container model is efficiently proposed rationally, under the situation that guarantees accuracy, effectively improve the efficient of design and simulation.
The utility model is achieved through the following technical solutions, and test container described in the utility model is a rectangular parallelepiped, and its bottom four ends pin is provided with a cuboid inner cavity everywhere;
The rectangular parallelepiped of being shaped as of described test container: 220mm*160mm*100mm;
Described cuboid inner cavity be shaped as 15mm*15mm*100mm;
Be provided with data card to be tested in the described test container, the distance between the geometric center of this data card and the geometric center of test container is smaller or equal to 5mm.
Be filled with tissue fluid in the described test container, this tissue fluid is the lossy dielectric material, relative dielectric constant ε=40.0, conductivity=1.40S/m, density p=1000Kg/m
3
The utility model effectively raises the efficient of design and simulation under the situation that guarantees accuracy, can under the situation that guarantees the accuracy of SAR value, effectively improve the efficient of design and simulation, to improving product design efficiency, reducing product design costs and risk all has positive effect.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is an embodiment SAR Z-direction distribution as a result comparison curves.
Embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: being shaped as of test container 1, described test container 1: the rectangular parallelepiped of 220mm*160mm*100mm, the bottom of described test container 1 four ends pin is provided with the cuboid inner cavity 2 of a 15mm*15mm*100mm everywhere, is filled with tissue fluid in the test container 1.
Described tissue fluid is the lossy dielectric material, relative dielectric constant ε=40.0, conductivity=1.40S/m, density p=1000Kg/m
3
During actual the test data card to be tested is housed in test container, the distance between the geometric center of this data card to be tested and the geometric center of test container is smaller or equal to 5mm.
Shown in Fig. 2 a, be embodiment SAR Z-direction distribution as a result comparison curves, the horizontal ordinate Z among the figure represents on the Z direction that apart from the distance at SAR maximal value place, curve 1 is represented the utility model tissue fluid moulded dimension, curve 2 is represented normal structure liquid moulded dimension; Shown in Fig. 2 b, be embodiment SAR Z-direction distribution as a result comparison curves; Horizontal ordinate Z among the figure represents on the Z direction that apart from the distance at SAR maximal value place, curve 1 is represented the utility model tissue fluid moulded dimension, and curve 2 is represented normal structure liquid moulded dimension.
By adopting two data card to verify, standard rectangular parallelepiped tissue fluid container dimensional is: 220mm*160mm*150mm and this device tissue fluid model SAR result show that relatively error is all within 1%.As seen, this device has carried out effective simplification to the tissue fluid model, effectively raises the efficient of design and simulation under the situation that guarantees accuracy.
Claims (4)
1. test container that is used for data card antenna SAR performance, described test container is a rectangular parallelepiped, it is characterized in that, the bottom of described test container four ends pin is provided with a cuboid inner cavity everywhere.
2. the test container that is used for data card antenna SAR performance according to claim 1 is characterized in that, being shaped as of described test container: the rectangular parallelepiped of 220mm*160mm*100mm.
3. the test container that is used for data card antenna SAR performance according to claim 1 is characterized in that, described cuboid inner cavity be shaped as 15mm*15mm*100mm.
4. the test container that is used for data card antenna SAR performance according to claim 1 is characterized in that, is provided with data card to be tested in the described test container, and the distance between the geometric center of this data card and the geometric center of test container is smaller or equal to 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205068614U CN201796088U (en) | 2010-08-27 | 2010-08-27 | Test container for SAR performance of data card antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205068614U CN201796088U (en) | 2010-08-27 | 2010-08-27 | Test container for SAR performance of data card antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796088U true CN201796088U (en) | 2011-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205068614U Expired - Fee Related CN201796088U (en) | 2010-08-27 | 2010-08-27 | Test container for SAR performance of data card antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN201796088U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313846A (en) * | 2011-07-29 | 2012-01-11 | 上海交通大学 | Model for forecasting SAR (Specific Absorption Rate) of data card |
| CN102854400A (en) * | 2011-06-29 | 2013-01-02 | 中兴通讯股份有限公司 | Method and device for acquiring specific absorption rate of electromagnetic waves |
| US8604996B2 (en) | 2011-08-31 | 2013-12-10 | Huawei Device Co., Ltd. | Wireless terminal |
-
2010
- 2010-08-27 CN CN2010205068614U patent/CN201796088U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854400A (en) * | 2011-06-29 | 2013-01-02 | 中兴通讯股份有限公司 | Method and device for acquiring specific absorption rate of electromagnetic waves |
| CN102313846A (en) * | 2011-07-29 | 2012-01-11 | 上海交通大学 | Model for forecasting SAR (Specific Absorption Rate) of data card |
| US8604996B2 (en) | 2011-08-31 | 2013-12-10 | Huawei Device Co., Ltd. | Wireless terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120827 |