CN108566773B - 5G test shielding box - Google Patents
5G test shielding box Download PDFInfo
- Publication number
- CN108566773B CN108566773B CN201810139261.XA CN201810139261A CN108566773B CN 108566773 B CN108566773 B CN 108566773B CN 201810139261 A CN201810139261 A CN 201810139261A CN 108566773 B CN108566773 B CN 108566773B
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- China
- Prior art keywords
- antenna
- box body
- module
- test
- shielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000003566 sealing material Substances 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/68—Jamming involving special techniques using passive jamming, e.g. by shielding or reflection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Abstract
The invention discloses a 5G test shielding box, which comprises a box body, wherein a wave absorbing layer is arranged on the inner wall of the box body; the box body comprises a test cavity and a control driving cavity, and a shielding isolation unit is arranged between the test cavity and the control driving cavity; an antenna unit and a carrier plate assembly are arranged in the test cavity; the antenna unit comprises an antenna panel, a plurality of antenna brackets and a plurality of antenna modules, wherein the antenna panel is fixed at the center of the top of the shielding box body, and a central antenna module is fixed on the antenna panel; one end of the antenna bracket is fixed on the antenna panel, and the other end of the antenna bracket is fixed on the side wall of the box body; the antenna bracket is provided with a plurality of antenna module mounting structures, and the antenna module is detachably fixed on the antenna module mounting structures. Compared with the prior art, the shielding box can meet the test of the fifth generation mobile communication products, and has good shielding effect and high test precision.
Description
Technical Field
The invention relates to the technical field of shielding boxes, in particular to a 5G test shielding box.
Background
The fifth generation communication technology has higher reliability and lower time delay, can meet the specific requirements of the application of industries such as intelligent manufacturing, automatic driving and the like, widens the development space of the fusion industry, and supports the innovation and development of the economic society. Meanwhile, the communication frequency band of the fifth generation mobile communication product is 700 MHz-60 GHz, and the required test range of the product is wider and higher, so that the test of the fifth generation mobile communication product is more strict.
In the prior art, the test frequency of the shielding box and the antenna can only reach 6GHz generally, and the shielding box and the antenna cannot be compatible with higher test frequency and cannot guarantee the accurate test of the fifth-generation mobile communication products.
Disclosure of Invention
The invention is proposed in view of the above problems existing in the prior art, and provides a 5G test shielding box with ultrahigh frequency and high test precision.
The invention is realized by the following technical scheme: A5G test shielding box comprises a box body, wherein a wave absorbing layer is arranged on the inner wall of the box body; the box body comprises a test cavity and a control driving cavity, and a shielding isolation unit is arranged between the test cavity and the control driving cavity; an antenna unit and a carrier plate assembly are arranged in the test cavity; the antenna unit comprises an antenna panel, a plurality of antenna brackets and a plurality of antenna modules, wherein the antenna panel is fixed at the center of the top of the shielding box body, and a central antenna module is fixed on the antenna panel; one end of the antenna bracket is fixed on the antenna panel, and the other end of the antenna bracket is fixed on the side wall of the box body; the antenna bracket is provided with a plurality of antenna module mounting structures, and the antenna module is detachably fixed on the antenna module mounting structures. A plurality of antenna brackets are arranged, so that the frequency of the antenna is improved; the multiple mounting structures are arranged, the distance between the antenna modules can be adjusted according to the requirement, and the test precision is improved.
Further, the antenna supports are provided with four groups, and the antenna supports are uniformly distributed on the antenna panel; and each group of antenna brackets is correspondingly provided with an antenna module, and the antenna modules are symmetrically arranged relative to the antenna panel.
Preferably, the antenna support is an arc support, and the antenna module mounting structure is a mounting hole.
Further, a first connecting line is formed by the connecting line between the antenna module and the product to be tested on the carrier plate assembly, a second connecting line is formed by the connecting line between the central antenna module and the product to be tested on the carrier plate assembly, and an installation included angle between the antenna module formed by the first connecting line and the second connecting line is 4.5-34.5 degrees.
Preferably, the antenna module comprises a clamping block, an angle moving module, a sliding block module and an ultrahigh frequency waveguide antenna, the mounting block is mounted on the antenna bracket, the clamping block is fixedly connected with the angle moving module, the sliding block module is slidably fixed on the angle moving module, and the ultrahigh frequency waveguide antenna is fixed on the sliding block module. The design of the sliding block module and the angle shifting module effectively reduces the test influence caused by the installation difference between the antenna modules or the difference between the antenna brackets.
Further, the antenna module further comprises a lifting structure, the lifting structure is fixedly connected with the sliding block module, and the ultrahigh frequency waveguide antenna is fixed on the lifting structure.
Preferably, the testing cavity is provided with a door body, and a concave-convex sealing structure is arranged at the joint of the door body and the box body.
Further, the concave-convex sealing structure comprises a door body convex structure, a box body concave structure and sealing materials, the door body convex structure is matched with the box body concave structure, and shielding materials are arranged between the door body convex structure and the box body concave structure. In addition, the edge of the door body convex structure and the edge of the box body concave structure are provided with D-shaped shielding materials, so that the leakage amount of the joint of the door body and the box body is further reduced.
Preferably, the surface of the door body and the surface of the box body are both provided with chemical nickel plating layers, and the chemical nickel plating layers enable the electric conductivity of the door body or the box body to be better, so that the shielding performance of the box body is better.
Furthermore, the interface circuits in any one of the box body, the antenna unit and the carrier plate assembly all adopt EMI filtering, so that the interference of interfaces such as signals, power supplies and the like on the test is reduced, and the test accuracy is improved.
Compared with the prior art, the distance and the angle between the antenna modules are adjustable, and the distance and the angle between the antenna modules and the carrier plate assembly are also adjustable, so that the test accuracy is effectively improved; the antenna module adopts an ultrahigh frequency waveguide antenna, so that the requirement of a fifth generation mobile communication test frequency band is met; the joint of the box door is provided with a concave-convex sealing structure, the door body is manually closed, the door body is in closer contact with the box body, and the shielding performance of the joint is improved; the interfaces of all the units are provided with EMI filtering, so that the interference of the interfaces such as signals, power supplies and the like on the test is reduced; the test cavity and the control driving cavity are separated from each other and are not mutually interfered, so that the influence of components in the control driving cavity on the test is reduced. In conclusion, the shielding box disclosed by the invention can meet the test of the fifth-generation mobile communication product, and is good in shielding effect and high in test precision.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure of I in FIG. 2;
fig. 4 is a schematic diagram of an antenna unit structure;
fig. 5 is a schematic diagram of an antenna module structure;
fig. 6 is a schematic view of a concave-convex sealing structure.
Detailed Description
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
A5G test shielding box comprises a box body 1, wherein a wave-absorbing layer (not shown in the figure) is arranged on the inner wall of the box body, the wave-absorbing layer is wave-absorbing foam (HR 25), and the wave-absorbing foam is stuck on the inner wall of the box body; the box body comprises a test cavity 10 and a control driving cavity 20, and a shielding and isolating unit 2 is arranged between the test cavity 10 and the control driving cavity 20; an antenna unit 3 and a carrier plate assembly 40 are arranged in the test cavity; the antenna unit 3 comprises an antenna panel 31, a plurality of antenna brackets 36 and a plurality of antenna modules 7, the antenna panel 3 is fixed at the center of the top of the shielding box 1, and a central antenna module 34 is fixed on the antenna panel 3; one end of the antenna bracket 36 is fixed on the antenna panel 3, and the other end 33 of the antenna bracket is fixed on the side wall of the box body; the antenna bracket is provided with a plurality of antenna module mounting structures 32, and the antenna module 7 is detachably fixed on the antenna module mounting structures 32. That is, a plurality of antenna brackets are provided to increase the frequency of the antenna; the multiple mounting structures are arranged, the distance between the antenna modules can be adjusted according to the requirement, and the test precision is improved. In addition, one end of the antenna bracket is fixed on the antenna panel, and the other end of the antenna bracket is fixed on the side wall of the box body, namely the antenna bracket is obliquely arranged in the test cavity of the box body, and the installation inclination angles of the antenna brackets are consistent.
Example 1
The antenna brackets 36 are provided with four groups, and the antenna brackets are uniformly distributed on the antenna panel 31; each group of antenna brackets is correspondingly provided with an antenna module 7, and the antenna modules 7 are symmetrically arranged relative to the antenna panel. The symmetrical installation is convenient for adjusting the installation position of the antenna module.
The antenna bracket is an arc bracket, and the antenna module mounting structure 32 is a mounting hole. It should be noted that, the antenna module mounting structure 32 is not limited to the form of mounting holes, such as a buckle; the installation structure for fixing the antenna module at any position on the antenna bracket only belongs to the protection scope of the invention.
The connection line between the antenna module 7 and the product to be tested on the carrier plate assembly forms a first connection line, the connection line between the central antenna module 34 and the product to be tested on the carrier plate assembly 40 forms a second connection line, and the antenna module installation included angle formed by the first connection line and the second connection line is 4.5-34.5 degrees. Preferably, the optimum mounting angle is 20 ° when the vertical distance from the central antenna module to the carrier plate assembly is 50mm to 850 mm.
The antenna module comprises a clamping block 71, an angle moving module 73, a sliding block module 72 and an ultrahigh frequency waveguide antenna 75, wherein the clamping block 71 is installed on the antenna bracket 36, the clamping block 71 is fixedly connected with the angle moving module 73, the sliding block module 72 is slidably fixed on the angle moving module 73, and the ultrahigh frequency waveguide antenna 75 is fixed on the sliding block module 72. The angle of a single ultrahigh frequency waveguide antenna can be adjusted through the sliding module and the angle shifting module, and the angle is adjusted by about 10 degrees at the 0-point angle position, so that the efficiency and the accuracy of testing are ensured, namely, the installation difference between the antenna modules or the influence of the difference between the antenna brackets on testing is effectively reduced through the design of the sliding module and the angle shifting module.
In addition, in order to realize the height adjustment of the single antenna module in the vertical direction, the antenna module further comprises a lifting structure 74, the lifting structure 74 is fixedly connected with the slider module 72, and the ultra-high frequency waveguide antenna 75 is fixed on the lifting structure 74.
Example two
The testing cavity 10 is provided with a door body 50, and the joint of the door body and the box body is provided with a concave-convex sealing structure. The concave-convex sealing structure comprises a door body convex structure, a box body concave structure and sealing materials, wherein the door body convex structure is matched with the box body concave structure, and shielding materials 8 are arranged between the door body convex structure and the box body concave structure. In addition, the edge 52 of the door body convex structure and the edge 11 of the box body concave structure are both provided with D-shaped shielding materials 53/12, so that the leakage amount of the joint of the door body and the box body is further reduced.
Wherein, the door cooperates with the box part in a mode of 110 degrees, and the shielding materials (shielding material 8, D-shaped shielding material 53/12) in three directions are pressed, so that the leakage amount at the joint of the door and the box is minimum.
Meanwhile, in order to achieve better sealing, the door body in the embodiment is manually pushed in or pulled out, and the door body is tightly sealed with the box body.
The surface of the door body and the surface of the box body are both provided with chemical nickel plating layers, and the chemical nickel plating layers enable the electric conductivity of the door body or the box body to be better, so that the shielding performance of the box body is better, and the test of a high-frequency band is satisfied.
Example III
The side wall of the box body is provided with a slidable component in the vertical direction; the antenna bracket is a telescopic bracket, one end of the telescopic bracket is hinged to the antenna panel, and the other end of the telescopic bracket is hinged to the slidable assembly. The design can well change the inclination angle of the antenna bracket and meet different testing requirements.
Example IV
The interface circuit in any one of the box body, the antenna unit and the carrier plate assembly adopts EMI filtering, so that interference of interfaces such as signals, power supplies and the like on testing is reduced, and testing accuracy is improved.
Example five
The difference from the first or second or third embodiment is that: the support plate assembly is a clamp assembly rotating in a triaxial or biaxial mode, and a driving unit in the control driving cavity is provided with a transmission unit which penetrates through the shielding isolation unit 2 and is connected to the clamp assembly. At this time, the shielding box can test multiple performance indexes of the product, such as angular position test, gyro test and the like.
In order to optimize the test effect, the carrier plate assembly is made of a nonmetallic material, and the transmission unit is made of a nonmetallic material. The combination part of the carrier plate assembly 40 and the shielding isolation unit 2 is provided with an assembly sealing structure, and the assembly sealing structure comprises a plurality of V-shaped shielding material pieces 43/45, an isolation shielding layer 21, a carrier plate base 44 and a base shielding layer 41.
Compared with the prior art, the distance and the angle between the antenna modules are adjustable, and the distance and the angle between the antenna modules and the carrier plate assembly are also adjustable, so that the test accuracy is effectively improved; the antenna module adopts an ultrahigh frequency waveguide antenna, so that the requirement of a fifth generation mobile communication test frequency band is met; the joint of the box door is provided with a concave-convex sealing structure, the door body is manually closed, the door body is in closer contact with the box body, and the shielding performance of the joint is improved; the interfaces of all the units are provided with EMI filtering, so that the interference of the interfaces such as signals, power supplies and the like on the test is reduced; the test cavity and the control driving cavity are separated from each other and are not mutually interfered, so that the influence of components in the control driving cavity on the test is reduced. In conclusion, the shielding box disclosed by the invention can meet the test of the fifth-generation mobile communication product, and is good in shielding effect and high in test precision.
The present invention is not limited to the above-described embodiments, but, if various modifications or variations of the present invention are not departing from the spirit and scope of the present invention, the present invention is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.
Claims (7)
1.5G test shielding case, its characterized in that: the device comprises a box body, wherein a wave absorbing layer is arranged on the inner wall of the box body; the box body comprises a test cavity and a control driving cavity, and a shielding isolation unit is arranged between the test cavity and the control driving cavity; an antenna unit and a carrier plate assembly are arranged in the test cavity, an assembly sealing structure is arranged at the joint of the carrier plate assembly and the shielding isolation unit, and the assembly sealing structure comprises a plurality of V-shaped shielding material pieces, an isolation shielding layer, a carrier plate base and a base shielding layer; the antenna unit comprises an antenna panel, a plurality of antenna brackets and a plurality of antenna modules, wherein the antenna panel is fixed at the center of the top of the box body, and a central antenna module is fixed on the antenna panel; one end of the antenna bracket is fixed on the antenna panel, and the other end of the antenna bracket is fixed on the side wall of the box body; the antenna bracket is provided with a plurality of antenna module mounting structures, and the antenna module is detachably fixed on the antenna module mounting structures;
the antenna module comprises a clamping block, an angle moving module, a sliding block module and an ultrahigh frequency waveguide antenna, wherein the clamping block is arranged on the antenna bracket, the clamping block is fixedly connected with the angle moving module, the sliding block module can be slidably fixed on the angle moving module, and the ultrahigh frequency waveguide antenna is fixed on the sliding block module;
the testing cavity is provided with a door body, and a concave-convex sealing structure is arranged at the joint of the door body and the box body;
the concave-convex sealing structure comprises a door body convex structure, a box body concave structure and sealing materials, wherein the door body convex structure is matched with the box body concave structure, shielding materials are arranged between the door body convex structure and the box body concave structure, D-shaped shielding materials are arranged at the edge of the door body convex structure and the edge of the box body concave structure, the door body is matched with the box body in a 110-degree mode, the shielding materials in three directions are pressed, and the shielding materials comprise the door body convex structure and the shielding materials between the box body concave structure, and D-shaped shielding materials are arranged at the edge of the door body convex structure and the edge of the box body concave structure.
2. The 5G test shielded box of claim 1, wherein: the antenna supports are provided with four groups and are uniformly distributed on the antenna panel; and each group of antenna brackets is correspondingly provided with an antenna module, and the antenna modules are symmetrically arranged relative to the antenna panel.
3. The 5G test shielded box of claim 2, wherein: the antenna bracket is an arc bracket, and the antenna module mounting structure is a mounting hole.
4. The 5G test shielded box of claim 2, wherein: the connection line between the antenna module and the product to be tested on the carrier plate assembly forms a first connection line, the connection line between the central antenna module and the product to be tested on the carrier plate assembly forms a second connection line, and the installation included angle of the antenna module formed by the first connection line and the second connection line is 4.5-34.5 degrees.
5. The 5G test shielded box of claim 1, wherein: the antenna module further comprises a lifting structure, the lifting structure is fixedly connected with the sliding block module, and the ultrahigh frequency waveguide antenna is fixed on the lifting structure.
6. The 5G test shielded box of claim 1, wherein: the surface of the door body and the surface of the box body are both provided with chemical nickel plating layers.
7. The 5G test shielded box of claim 1, wherein: the interface circuits in any of the housing, the antenna unit, and the carrier assembly all employ EMI filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139261.XA CN108566773B (en) | 2018-02-11 | 2018-02-11 | 5G test shielding box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139261.XA CN108566773B (en) | 2018-02-11 | 2018-02-11 | 5G test shielding box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108566773A CN108566773A (en) | 2018-09-21 |
| CN108566773B true CN108566773B (en) | 2023-11-10 |
Family
ID=63531165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810139261.XA Active CN108566773B (en) | 2018-02-11 | 2018-02-11 | 5G test shielding box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108566773B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112533463B (en) * | 2020-10-30 | 2022-05-10 | 杭州永谐科技有限公司 | 5G multithread UE test shielded cell |
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| WO2007097087A1 (en) * | 2006-02-27 | 2007-08-30 | Nippon Light Metal Company, Ltd. | Electronic device testing apparatus and electronic device testing method |
| CN101872885A (en) * | 2010-05-28 | 2010-10-27 | 中国科学院自动化研究所 | Rapid deploying system and method for a RFID (radio frequency identification devices) antenna |
| CN105099581A (en) * | 2015-08-06 | 2015-11-25 | 广东欧珀移动通信有限公司 | Radio frequency performance test device |
| CN106249011A (en) * | 2016-08-15 | 2016-12-21 | 珠海市博杰电子有限公司 | A kind of performance test shielded box |
| CN205960182U (en) * | 2016-08-15 | 2017-02-15 | 珠海市博杰电子有限公司 | A antenna module group for radio frequency capability test |
| CN206160608U (en) * | 2016-08-30 | 2017-05-10 | 河南新飞电器有限公司 | Sealing structure of refrigerator |
| CN206864635U (en) * | 2017-05-10 | 2018-01-09 | 深圳市大疆创新科技有限公司 | Anneta module and intercept antenna assembly |
| CN207869598U (en) * | 2018-02-11 | 2018-09-14 | 珠海博杰电子股份有限公司 | 5G tests shielded box |
-
2018
- 2018-02-11 CN CN201810139261.XA patent/CN108566773B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007097087A1 (en) * | 2006-02-27 | 2007-08-30 | Nippon Light Metal Company, Ltd. | Electronic device testing apparatus and electronic device testing method |
| CN101872885A (en) * | 2010-05-28 | 2010-10-27 | 中国科学院自动化研究所 | Rapid deploying system and method for a RFID (radio frequency identification devices) antenna |
| CN105099581A (en) * | 2015-08-06 | 2015-11-25 | 广东欧珀移动通信有限公司 | Radio frequency performance test device |
| CN106249011A (en) * | 2016-08-15 | 2016-12-21 | 珠海市博杰电子有限公司 | A kind of performance test shielded box |
| CN205960182U (en) * | 2016-08-15 | 2017-02-15 | 珠海市博杰电子有限公司 | A antenna module group for radio frequency capability test |
| CN206160608U (en) * | 2016-08-30 | 2017-05-10 | 河南新飞电器有限公司 | Sealing structure of refrigerator |
| CN206864635U (en) * | 2017-05-10 | 2018-01-09 | 深圳市大疆创新科技有限公司 | Anneta module and intercept antenna assembly |
| CN207869598U (en) * | 2018-02-11 | 2018-09-14 | 珠海博杰电子股份有限公司 | 5G tests shielded box |
Also Published As
| Publication number | Publication date |
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| CN108566773A (en) | 2018-09-21 |
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