CN216560786U - Portable near-field radiation testing device - Google Patents
Portable near-field radiation testing device Download PDFInfo
- Publication number
- CN216560786U CN216560786U CN202122731107.1U CN202122731107U CN216560786U CN 216560786 U CN216560786 U CN 216560786U CN 202122731107 U CN202122731107 U CN 202122731107U CN 216560786 U CN216560786 U CN 216560786U
- Authority
- CN
- China
- Prior art keywords
- shielding box
- box body
- field radiation
- testing device
- interface
- 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.)
- Active
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A portable near-field radiation testing device belongs to the technical field of near-field radiation testing and comprises a shielding box body, the inner wall of which is provided with wave-absorbing materials, the shielding box body is of a cuboid structure, the upper surface of the shielding box body is provided with a switch filter bank, the inside of the shielding box body is provided with a storage rack, a rotary table, a support and receiving antennas, the rotary table is arranged on the storage rack, the support is arranged on the rotary table, the number of the receiving antennas is at least 2, the receiving antennas point to the rotary table for installation, an interface panel and a plurality of RF interfaces are arranged on one side surface of the shielding box body, the other end side surface of the shielding box body is movably connected with the shielding box body, the output end of each receiving antenna is respectively connected with the input end of each RF interface, the output end of each RF interface is respectively connected with the input end of the switch filter bank, compared with the traditional shielding room testing scheme, the device has the characteristics of low cost and flexible use, is suitable for large-scale popularization.
Description
Technical Field
The utility model belongs to the technical field of near-field radiation testing, and particularly relates to a portable near-field radiation testing device.
Background
The traditional near-field radiation test is mostly completed in a shielding room, products are placed in the shielding room, the radiation size of the products is measured through an antenna, along with continuous deepening of electronic products, small intelligent devices such as mobile phones and tablet computers are continuously developed and updated, the radiation measurement requirements of the products are increasingly large, the cost of the traditional shielding room is high, and the use is inconvenient and difficult to widely apply.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the background, the utility model provides the portable near-field radiation testing device which has the characteristics of flexible use and low operation cost under the condition of meeting the existing testing requirements.
In order to achieve the purpose, the technical solution of the utility model is as follows: the utility model provides a portable near field radiation testing arrangement, is equipped with absorbing material's shielding box including the inner wall, the shielding box is cuboid structure upper surface and is equipped with the switch filter group, inside supporter, revolving stage, support and the receiving antenna of being equipped with of shielding box, the revolving stage is located on the supporter, the support mounting is on the revolving stage, receiving antenna quantity is 2 at least, and the installation of the directional revolving stage of receiving antenna installs interface panel and a plurality of RF interface on the one end side of shielding box, swing joint between the other end side of shielding box and the shielding box, each receiving antenna's output links to each other with the input of each RF interface respectively, and the output of RF interface is connected to the input of switch filter group respectively.
Preferably, receiving antenna quantity is 12, along circumferential direction evenly distributed around the supporter.
Preferably, the receiving antenna is a dual polarized antenna.
Preferably, the number of the RF interfaces is 12, and the RF interfaces are distributed in a double-row array.
Preferably, the interface panel comprises a network port, a USB interface, an HDMI interface and a power socket.
Preferably, the wave-absorbing material is wedge-shaped wave-absorbing cotton and is uniformly distributed on each inner wall of the shielding box body.
Preferably, the other end side of the shielding box body is hinged with the shielding box body, and the side is also provided with a rotating handle.
Preferably, the shielding box body is a cuboid structure processed by a metal material, and the size of the shielding box body is 100cm in length, 80cm in width and 76cm in height.
Preferably, the turntable is a RUWSL type turntable of the Kangxin brand.
Has the advantages that:
1. compared with a large traditional darkroom, the utility model adopts the customizable portable shielding box body, has small volume, easy movement and relocation and flexible use, and can well meet the requirements of economic research and development or production pre-test.
2. This device is equipped with direction and the position that a plurality of receiving antenna can accurate discernment stray radiation source and conveniently carries out the sample strike test, the electric connection capability test and problem analysis location etc to diversified antenna arrangement can save the live time of revolving stage, and test time only needs short, efficient several seconds time, is applicable to the end of touch test of producing quick selective examination of line and research and development stage.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a rear view of the present invention;
fig. 3 is a schematic view of the internal structure of the present invention.
Wherein: 1. the antenna comprises a shielding box body, 2, a storage rack, 3, a rotary table, 4, a receiving antenna, 5, a support, 6, wave-absorbing materials, 7, an interface panel, 8, an RF interface, 9, a switch filter bank, 10 and a rotary handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1 and 2, the portable near-field radiation testing device comprises a shielding box body 1 with an inner wall provided with a wave-absorbing material 6, and a switch filter bank 9 arranged on the upper surface of the shielding box body, wherein the shielding box body 1 is a cuboid structure processed by a metal material, and the metal box body is mainly used for isolating external electromagnetic interference, not influencing internal electromagnetic radiation testing, and reducing surrounding electromagnetic interference noise below an allowable level; the wave-absorbing material 6 is wedge-shaped wave-absorbing cotton, is uniformly distributed on each inner wall of the shielding box body 1, and is mainly used for absorbing electromagnetic waves of different frequency bands and preventing the wall surface reflection of the electromagnetic waves; the effect of switch filter bank 9 is that the filtering clutter signal reduces the interference, screens out the signal of required different frequency channels fast, and switch filter bank 9 is as current commercial product, select during the use suitable specification install in the upper portion of shielding box 1 can, select the TR-620 type switch filter bank of brand DKA in this embodiment. The size of the shielding box body 1 is customized according to actual requirements, and the size is not limited, in this embodiment, the preferable size of the shielding box body 1 is 100cm in length, 80cm in width, and 76cm in height, and can well meet the daily test requirements.
As shown in figure 3, the shielding box 1 is provided with a shelf 2, a turntable 3, a support 5 and a receiving antenna 4 inside, the rotary table 3 is arranged on the object placing frame 2, the support 5 is arranged on the rotary table 3, the number of the receiving antennas 4 is at least 2, the receiving antennas 4 are arranged to point to the rotary table 3, specifically, the object placing frame 2 is arranged at the middle position of the bottom of the shielding box body 1, the object placing frame 2 is a common object and has the function of installing objects, the rotary table 3 can rotate 360 degrees in the horizontal plane, the purpose is to drive the measured object to rotate on the horizontal plane for convenient and rapid measurement, the turntable 3 in the embodiment selects a RUWSL type turntable of the Kangxin brand, the bracket 5 is placed on the turntable 3, the mobile phone support is also a common commercially available object, can refer to a mobile phone support in life, and is used for placing a measured object, and the support 5 can select a support capable of adjusting the elevation angle during selection so as to conveniently measure the radiation values of the measured object at different angles; receiving antenna 4 adopts current dual polarized antenna, select in the time of selecting according to the use scene suitable specification model can, in this embodiment receiving antenna 4 quantity is 12 (not show entirely in the picture), along circumferential direction evenly distributed in supporter 2 all around its installation direction point to revolving stage 3 installation (also directional testee), the direction and the position that can accurate discernment stray radiation source are mainly selected for use to a plurality of receiving antenna 4 purposes to this place, and the result presents in real time, conveniently carry out the test of strikeing of sample, electric connection capability test and problem analysis location etc. on the other hand diversified antenna is arranged and can be saved revolving stage 3's live time, test time only need the time of a few seconds weak point, high efficiency, be applicable to the end of touch test of the quick selective examination of production line and research and development stage. As shown in fig. 2, an interface panel 7 and a plurality of RF interfaces 8 are installed on a side surface of one end of the shielding box 1, in this embodiment, the interface panel 7 includes a network port, a USB interface, an HDMI interface, and a power socket for supplying power to a device and facilitating external connection of various peripherals, and the number of the RF interfaces 8 is 12, and the RF interfaces are distributed in a double-row array manner. When the utility model is installed, the output end of each receiving antenna 4 is respectively connected with the input end of each RF interface 8, and the output end of each RF interface 8 is respectively connected with the input end of the switch filter bank 9.
The other end side of the shielding box body 1 is movably connected with the shielding box body 1 to serve as an access door, specifically, in this embodiment, the other end side of the shielding box body 1 is hinged with the shielding box body 1, the specific installation mode is not described in detail in the prior art, and the side is further provided with a rotating handle 10 for facilitating opening and closing.
The specific using process is as follows: before use, a measured object is placed on the support 5 and adjusted to a proper angle, then each receiving antenna 4 is aligned to the measured object and adjusted to a proper position, then the device is connected with external instruments such as an external oscilloscope, and the test work can be carried out by electrifying and starting the rotary table 3.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
In conclusion, the utility model achieves the expected effect.
Claims (9)
1. A portable near-field radiation testing device, characterized by: be equipped with absorbing material's shielding box including the inner wall, the shielding box is cuboid structure upper surface and is equipped with the switch filter group, inside supporter, revolving stage, support and the receiving antenna of being equipped with of shielding box, on the supporter is located to the revolving stage, support mounting is on the revolving stage, receiving antenna quantity is 2 at least, and the installation of the directional revolving stage of receiving antenna installs interface panel and a plurality of RF interface on the one end side of shielding box, swing joint between the other end side of shielding box and the shielding box, each receiving antenna's output links to each other with the input of each RF interface respectively, and the output of RF interface is connected to the input of switch filter group respectively.
2. A portable near-field radiation testing device according to claim 1, characterized in that: receiving antenna quantity is 12, along circumferential direction evenly distributed around the supporter.
3. A portable near-field radiation testing device according to claim 2, characterized in that: the receiving antenna adopts a dual-polarized antenna.
4. A portable near-field radiation testing device according to claim 3, characterized in that: the number of the RF interfaces is 12, and the RF interfaces are distributed in a double-row array mode.
5. A portable near-field radiation testing device according to claim 1, characterized in that: the interface panel comprises a network port, a USB interface, an HDMI interface and a power socket.
6. A portable near-field radiation testing device according to claim 1, characterized in that: the wave-absorbing material is wedge-shaped wave-absorbing cotton and is uniformly distributed on each inner wall of the shielding box body.
7. A portable near-field radiation testing device according to claim 1, characterized in that: the front panel of the shielding box body is hinged with the shielding box body, and a rotating handle is arranged on the front panel of the shielding box body.
8. A portable near-field radiation testing device according to claim 1, characterized in that: the shielding box body is of a cuboid structure formed by processing a metal material, and the size of the shielding box body is 100cm in length, 80cm in width and 76cm in height.
9. A portable near-field radiation testing device according to claim 1, characterized in that: the turntable is a RUWSL type turntable of Kangxin brand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122731107.1U CN216560786U (en) | 2021-11-09 | 2021-11-09 | Portable near-field radiation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122731107.1U CN216560786U (en) | 2021-11-09 | 2021-11-09 | Portable near-field radiation testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216560786U true CN216560786U (en) | 2022-05-17 |
Family
ID=81571292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122731107.1U Active CN216560786U (en) | 2021-11-09 | 2021-11-09 | Portable near-field radiation testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216560786U (en) |
-
2021
- 2021-11-09 CN CN202122731107.1U patent/CN216560786U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104569635B (en) | Wireless terminal antenna performance test system | |
| CN204741458U (en) | Cell -phone antenna testing arrangement | |
| US9244105B2 (en) | Portable spherical near-field antenna measurement system | |
| CN103278751B (en) | Partial discharge comprehensive itinerant detector for high voltage electric power equipment | |
| TWI516139B (en) | Robotic wireless test system | |
| KR101442557B1 (en) | system for testing sensitivity of wireless smartdevice in reconfigurable reverberation chamber | |
| CN207623415U (en) | 5G multiple antennas complete machine antenna measurement platforms | |
| CN106850086B (en) | Electromagnetic wave chamber based on array antenna | |
| CN201429632Y (en) | Portable electromagnetic shielded box | |
| CN216560786U (en) | Portable near-field radiation testing device | |
| CN108303603A (en) | A kind of electric wave test darkroom device | |
| CN105245296B (en) | A kind of concentrator GPRS communication test systems and method | |
| CN209030274U (en) | A kind of test box for mobile phone electromagnetic compatibility test | |
| CN202009425U (en) | Pneumatic type mobile phone antenna testing system | |
| CN209525372U (en) | The measured object radio-frequency feed cable of Multi probe Antenna testing system | |
| CN207623388U (en) | Electromagnetic shielding box is tested in a kind of comprehensive survey of 5G mainboards calibration | |
| CN217385657U (en) | Antenna testing device | |
| CN206671428U (en) | A kind of micro-wave screening takes shield effectiveness test system | |
| CN215897802U (en) | Mobile phone signal testing device | |
| CN109884569A (en) | A kind of small reflected broad band pattern field generation device | |
| CN212905063U (en) | Wifi test shielding case | |
| CN211061621U (en) | Noise-reduction improved wireless radio frequency radiation disturbance testing system | |
| CN207744339U (en) | New-type radio-frequency test double layer screen case | |
| CN101877617A (en) | Portable wireless monitor | |
| CN115236650A (en) | Outdoor far-field double-station target RCS (radar cross section) measuring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |