CN209402954U - A kind of shielded box - Google Patents
A kind of shielded box Download PDFInfo
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- CN209402954U CN209402954U CN201821489653.0U CN201821489653U CN209402954U CN 209402954 U CN209402954 U CN 209402954U CN 201821489653 U CN201821489653 U CN 201821489653U CN 209402954 U CN209402954 U CN 209402954U
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- test platform
- cabinet
- test
- transmission device
- signal receiving
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Abstract
The utility model relates to wireless radios the field of test technology, disclose a kind of shielded box, comprising: cabinet；Signal transmitting apparatus, the signal receiving/transmission device are set in the cabinet, including horizontally-polarized antenna and vertical polarization antenna；Test platform component is placed with less radio-frequency component on the test platform component, and is able to drive the less radio-frequency component close to or far from the signal receiving/transmission device；Sensitivity test instrument, the sensitivity test instrument are electrically connected with the signal receiving/transmission device；It further include control device, the control device is set to outside the cabinet, and is electrically connected with the sensitivity test instrument and the test platform component.The shielded box is able to drive less radio-frequency component by test platform component and moves to close to or far from signal receiving/transmission device direction, and then can measure best test point, so that the radiosusceptibility measurement of test less radio-frequency component is more acurrate.
Description
Technical field
The utility model relates to wireless radios the field of test technology more particularly to a kind of shielded boxes.
Background technique
In today of wireless communication technique fast development, wireless radios using increasingly extensive, and less radio-frequency is set
Standby radiosusceptibility test is the test that must be carried out before wireless radios dispatch from the factory.The spoke of usual wireless radios
The test for penetrating sensitivity is tested in shielded box.Between the less radio-frequency component and signal receiving/transmission device of existing shielded box
Distance be unable to adjust automatically so that less radio-frequency component can not find optimal test point, reduce the precision of test and quasi-
Exactness.
Utility model content
The purpose of this utility model is that proposing a kind of shielded box, less radio-frequency component and signal receiving/transmission device can be realized
Between distance automatic adjustment, improve the precision and accuracy of test.
For this purpose, the utility model uses following technical scheme:
A kind of shielded box, comprising:
Cabinet；
Signal receiving/transmission device, the signal receiving/transmission device are set in the cabinet, including horizontally-polarized antenna and vertical
Poliarizing antenna；
Test platform component is placed with less radio-frequency component on the test platform component, and is able to drive described wireless
Radio frequency component is close to or far from the signal receiving/transmission device；
Sensitivity test instrument, the sensitivity test instrument are electrically connected with the signal receiving/transmission device；
Further include control device, the control device is set to outside the cabinet, and with the sensitivity test instrument
It is electrically connected with the test platform component.
The shielded box is able to drive less radio-frequency component to close to or far from signal receiving/transmission device by test platform component
Direction is mobile, and then can measure best test point, so that the radiosusceptibility measurement of test less radio-frequency component is more acurrate；It is logical
It crosses control device to be electrically connected with sensitivity test instrument and test platform component, can be realized the radiation-sensitive of less radio-frequency component
The automatic measurement of degree improves the precision and accuracy of test.
As a kind of preferred embodiment of above-mentioned shielded box, the test platform component includes test platform, the first driving group
Part and guide assembly, the test platform are connected with guide assembly sliding, and first driving assembly and the test are flat
Platform is connected, and drives the test platform close to or far from the signal receiving/transmission device.
As a kind of preferred embodiment of above-mentioned shielded box, the guide assembly includes vertically disposed first guide rail and second
Guide rail, first guide rail are fixedly installed in the cabinet, and second guide rail is connected with the second driving assembly, and described second
Driving assembly drives second guide rail to move along the length direction of first guide rail；It is provided on second guide rail described
Test platform, first driving assembly are connected with the test platform, and the test platform can be driven to lead along described second
Rail is mobile.
As a kind of preferred embodiment of above-mentioned shielded box, the signal receiving/transmission device further includes fixed frame and support arm, institute
It states fixed frame to be fixedly connected in the cabinet, two support arms are separately positioned on the both ends of the fixed frame, wherein one
It is provided with the horizontally-polarized antenna on a support arm, the vertical polarization day is provided on another described support arm
Line.Support arm is fixed on box house by the setting of fixed frame, and the setting of support arm can be realized horizontally-polarized antenna and vertical
The installation of poliarizing antenna.
As a kind of preferred embodiment of above-mentioned shielded box, the support arm includes the connecting rod of at least two successively pin joints,
Adjustable angle between adjacent two connecting rods.The structure can adjust the position of horizontally-polarized antenna and vertical polarization antenna
It sets, avoids generating interference with other component.
As a kind of preferred embodiment of above-mentioned shielded box, the cabinet includes upper box and lower box, the signal transmitting and receiving
Device, the test platform component are all set in the upper box, and the sensitivity test instrument and the control device are equal
It is set in the lower box.Signal receiving/transmission device and test platform component are set to upper box, sensitivity test instrument and
Control device is set to lower box, can be avoided sensitivity test instrument and control device to the radiation-sensitive of less radio-frequency component
The measurement of degree generates interference, so that test is more acurrate.
As a kind of preferred embodiment of above-mentioned shielded box, it is provided with window on the upper box and the lower box, institute
It states and is hinged with the first door body at the window's position of upper box, the second door body is hinged at the window's position of the lower box.
As a kind of preferred embodiment of above-mentioned shielded box, it is provided on the cabinet wall and inhales wave cotton.Inhale the setting of wave cotton
Enhance the shield effectiveness of cabinet.
As a kind of preferred embodiment of above-mentioned shielded box, the side for inhaling wave cotton towards the box house includes array
The suction wave cotton block of the muti-piece wedge shape of arrangement.
The utility model has the beneficial effects that
The utility model proposes shielded box, less radio-frequency component is able to drive to close or remote by test platform component
It is mobile from signal receiving/transmission device direction, and then best test point can be measured, so that the radiation-sensitive of test less radio-frequency component
Degree measurement is more acurrate；It is electrically connected by control device with sensitivity test instrument and test platform component, can be realized and wirelessly penetrate
The automatic measurement of the radiosusceptibility of frequency component improves the precision and accuracy of test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shielded box provided by the utility model；
Fig. 2 is the structural schematic diagram that shielded box provided by the utility model shows sensitivity test instrument；
Fig. 3 is the structural schematic diagram of signal receiving/transmission device provided by the utility model；
Fig. 4 is the structural schematic diagram of an angle of test platform component provided by the utility model；
Fig. 5 is the structural schematic diagram of another angle of test platform component provided by the utility model.
In figure:
1, cabinet；11, upper box；12, lower box；111, the first door body；121, the second door body；13, wave cotton is inhaled；
2, signal receiving/transmission device；21, horizontally-polarized antenna；22, vertical polarization antenna；23, fixed frame；24, support arm；
241, connecting rod；242, pin shaft；
3, test platform component；30, supporting table；31, test platform；32, the second driving assembly；33, guide assembly；331,
First guide rail；332, the second guide rail；
4, sensitivity test instrument；5, control device.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Present embodiment provides a kind of shielded box, and Fig. 1 is the structural schematic diagram of shielded box provided by the utility model, Fig. 2
It is the structural schematic diagram that shielded box provided by the utility model shows sensitivity test instrument, as depicted in figs. 1 and 2, shielding
Case includes cabinet 1, signal receiving/transmission device 2, test platform component 3, sensitivity test instrument 4 and control device 5.Sensitivity test
Instrument 4 is electrically connected with signal receiving/transmission device 2, and control device 5 is set to outside cabinet 1, and with sensitivity test instrument 4 and test
Platform assembly 3 is electrically connected.Less radio-frequency component is placed on test platform component 3, and it is close to be able to drive less radio-frequency component
Or far from signal receiving/transmission device 2, and then best test point can be measured, so that the radiosusceptibility of test less radio-frequency component is surveyed
It measures more acurrate；It is electrically connected by control device 5 with sensitivity test instrument 4 and test platform component 3, can be realized less radio-frequency
The setting of the automatic measurement of the radiosusceptibility of component, control device 5 can also realize the friendship between user and control device 5
Mutually.
Specifically, wave cotton 13 is inhaled as shown in Figure 1, being provided on 1 inner wall of cabinet.Inhale the setting enhancing cabinet 1 of wave cotton 13
Shield effectiveness.Inhale the suction wave cotton block that wave cotton 13 includes the muti-piece wedge shape of array arrangement towards the side inside cabinet 1.
Cabinet 1 includes upper box 11 and lower box 12, and signal receiving/transmission device 2, test platform component 3 are all set in upper box
In 11, sensitivity test instrument 4 is set in lower box 12.Signal receiving/transmission device 2 and test platform component 3 are set to top box
Body 11, sensitivity test instrument 4 are set to lower box 12, can be avoided sensitivity test instrument 4 to the spoke of less radio-frequency component
The measurement for penetrating sensitivity generates interference, so that test is more acurrate.Window, upper box are provided on upper box 11 and lower box 12
It is hinged with the first door body 111 at 11 the window's position, the second door body 121 is hinged at the window's position of lower box 12.First
The setting of body 111 and the second door body 121 facilitates user to operate.The inside of first door body 111 and the second door body 121 is respectively provided with
Have and inhale wave cotton 13, so that the shield effectiveness of entire cabinet 1 is preferable.
Fig. 3 is the structural schematic diagram of signal receiving/transmission device provided by the utility model, as shown in figures 1 and 3, signal transmitting and receiving
Device 2 includes horizontally-polarized antenna 21 and vertical polarization antenna 22, horizontally-polarized antenna 21 and vertical polarization antenna 22 respectively with
Control device 5 is electrically connected, and passes through the logical of 5 controlled level poliarizing antenna 21 of control device or vertical polarization antenna 22 according to demand
Electricity, therefore when horizontally-polarized antenna 21 and vertical polarization antenna 22 do not work, it is easy to operate without being dismantled.
Signal receiving/transmission device 2 further includes fixed frame 23 and support arm 24, and fixed frame 23 is fixedly connected in upper box 11, and two
A support arm 24 is separately positioned on the both ends of fixed frame 23, is provided with horizontally-polarized antenna 21 on one of support arm 24, separately
Vertical polarization antenna 22 is provided on one support arm 24.Support arm 24 is fixed in upper box 11 by the setting of fixed frame 23
Portion, the setting of support arm 24 can be realized the installation of horizontally-polarized antenna 21 and vertical polarization antenna 22.
Further, support arm 24 includes the connecting rod 241 of at least two successively pin joints, and adjacent two connecting rods 241 are logical
It crosses pin shaft 242 to be connected, and then realizes the adjustable angle between adjacent two connecting rods 241.The structure can adjust horizontal polarization
The position of antenna 21 and vertical polarization antenna 22 avoids generating interference with other component.
Fig. 4 is the structural schematic diagram of an angle of test platform component provided by the utility model, and Fig. 5 is that this is practical new
The structural schematic diagram of another angle of the test platform component that type provides, as shown in Figure 4 and Figure 5, test platform component 3 includes
Supporting table 30, test platform 31, the first driving assembly and guide assembly 33, test platform 31, the first driving assembly and guide rail group
Part 33 is arranged in supporting table 30.Test platform 31 is connected with the sliding of guide assembly 33, the first driving assembly and test platform
31 are connected, and drive test platform 31 close to or far from signal receiving/transmission device 2.Further, guide assembly 33 includes vertically setting
The first guide rail 331 and the second guide rail 332 set, the first guide rail 331 are fixedly installed in cabinet 1, and the second guide rail 332 and second drives
Dynamic component 32 is connected, and the second driving assembly 32 drives the second guide rail 332 to move along the length direction of the first guide rail 331；Second leads
Test platform 31 is provided on rail 332, the first driving assembly is connected with test platform 31, and test platform 31 can be driven along second
Guide rail 332 is mobile.Test platform 31 can be driven to realize two-dimensional movement by the setting of test platform component 3, so that nothing
Line radio frequency component can accurately measure best test point in the two-dimensional direction close to or far from signal receiving/transmission device 2.
In present embodiment, radiosusceptibility is measured using the bit error rate, and cannot be with being directly entered reception signal transmitting and receiving
The signal in the channel of device 2 is measured, because very small signal is can to demodulate in the case where meeting certain signal-to-noise ratio
, and when the noise of noise and receiving channel with signal increases, signal-to-noise ratio will decline at this time, and the bit error rate increases rapidly
Add, causes test inaccuracy.
When specific shielded box tests the radiosusceptibility of less radio-frequency component, best test point is found first,
Less radio-frequency component exports radio frequency signal, and signal receiving/transmission device 2 receives radio frequency signal, and radio frequency signal is passed
Control device 5 is transported to, control device 5 controls recording device and recorded, and is compared to it, to obtain best test
Point, the best test point are that radio frequency signal emits strongest position.
Then, test platform 31 is fixed on best test point, sensitivity test instrument 4 launches nothing under some power
The quenched signal of line, wireless quenched signal are radiated by horizontally-polarized antenna 21 or vertical polarization antenna 22.Less radio-frequency group
Part receives wireless quenched signal, and is demodulated, and the Packet Error Ratio after demodulation is compared with default Packet Error Ratio, if solution
Packet Error Ratio after tune is less than default Packet Error Ratio, then continues the power for reducing sensitivity test instrument 4, the Packet Error Ratio after demodulation
Greater than default Packet Error Ratio, the radiosusceptibility of you can get it less radio-frequency component.
Note that above are only the preferred embodiment of the utility model.It will be appreciated by those skilled in the art that the utility model is not
It is limited to specific embodiment described here, is able to carry out various apparent variations, readjustment for a person skilled in the art
With substitution without departing from the protection scope of the utility model.Therefore, although being carried out by above embodiments to the utility model
It is described in further detail, but the utility model is not limited only to above embodiments, is not departing from the utility model design
In the case of, it can also include more other equivalent embodiments, and the scope of the utility model is determined by scope of the appended claims
It is fixed.
Claims (9)
1. a kind of shielded box characterized by comprising
Cabinet (1)；
Signal receiving/transmission device (2), the signal receiving/transmission device (2) is set in the cabinet (1), including horizontally-polarized antenna
(21) and vertical polarization antenna (22)；
Test platform component (3) is placed with less radio-frequency component on the test platform component (3), and is able to drive the nothing
Line radio frequency component is close to or far from the signal receiving/transmission device (2)；
Sensitivity test instrument (4), the sensitivity test instrument (4) are electrically connected with the signal receiving/transmission device (2)；
Further include control device (5), it is external that the control device (5) is set to the cabinet (1), and with the sensitivity test
Instrument (4) and the test platform component (3) electrical connection.
2. shielded box according to claim 1, which is characterized in that the test platform component (3) includes test platform
(31), the first driving assembly and guide assembly (33), the test platform (31) are connected with the guide assembly (33) sliding, institute
It states the first driving assembly to be connected with the test platform (31), and drives the test platform (31) close to or far from the signal
R-T unit (2).
3. shielded box according to claim 2, which is characterized in that the guide assembly (33) includes vertically disposed first
Guide rail (331) and the second guide rail (332), first guide rail (331) are fixedly installed in the cabinet (1), and described second leads
Rail (332) is connected with the second driving assembly (32), and second driving assembly (32) drives second guide rail (332) along described
The length direction of first guide rail (331) is mobile；It is provided with the test platform (31) on second guide rail (332), described
One driving assembly is connected with the test platform (31), and the test platform (31) can be driven along second guide rail (332)
It is mobile.
4. shielded box according to claim 1 to 3, which is characterized in that the signal receiving/transmission device (2) further includes
Fixed frame (23) and support arm (24), the fixed frame (23) are fixedly connected in the cabinet (1), two support arms
(24) both ends of the fixed frame (23) are separately positioned on, are provided with the horizontal polarization on one of them described support arm (24)
Antenna (21) is provided with the vertical polarization antenna (22) on another described support arm (24).
5. shielded box according to claim 4, which is characterized in that the support arm (24) includes at least two successively pin joints
Connecting rod (241), the adjustable angle between adjacent two connecting rods (241).
6. shielded box according to claim 1 to 3, which is characterized in that the cabinet (1) includes upper box (11)
With lower box (12), the signal receiving/transmission device (2), the test platform component (3) are all set in the upper box (11),
The sensitivity test instrument (4) is set in the lower box (12).
7. shielded box according to claim 6, which is characterized in that on the upper box (11) and the lower box (12)
It is provided with window, is hinged with the first door body (111) at the window's position of the upper box (11), the window of the lower box (12)
The second door body (121) are hinged at position.
8. shielded box according to claim 1 to 3, which is characterized in that be provided with suction on cabinet (1) inner wall
Wave cotton (13).
9. shielded box according to claim 8, which is characterized in that the suction wave cotton (13) is internal towards the cabinet (1)
Side include array arrangement muti-piece wedge shape suction wave cotton block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489653.0U CN209402954U (en) | 2018-09-12 | 2018-09-12 | A kind of shielded box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489653.0U CN209402954U (en) | 2018-09-12 | 2018-09-12 | A kind of shielded box |
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| Publication Number | Publication Date |
|---|---|
| CN209402954U true CN209402954U (en) | 2019-09-17 |
Family
ID=67877977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821489653.0U Active CN209402954U (en) | 2018-09-12 | 2018-09-12 | A kind of shielded box |
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| Country | Link |
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| CN (1) | CN209402954U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391153A (en) * | 2021-06-18 | 2021-09-14 | 深圳市精泰达科技有限公司 | Automatic alignment test system and test method for 5G millimeter wave shielding box |
| CN114594295A (en) * | 2022-02-15 | 2022-06-07 | 深圳市百泰实业股份有限公司 | Disconnect-type shielded cell |
| CN117949883A (en) * | 2024-03-26 | 2024-04-30 | 广东省计量科学研究院（华南国家计量测试中心） | Electromagnetic radiation analyzer calibrating device |
-
2018
- 2018-09-12 CN CN201821489653.0U patent/CN209402954U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391153A (en) * | 2021-06-18 | 2021-09-14 | 深圳市精泰达科技有限公司 | Automatic alignment test system and test method for 5G millimeter wave shielding box |
| CN114594295A (en) * | 2022-02-15 | 2022-06-07 | 深圳市百泰实业股份有限公司 | Disconnect-type shielded cell |
| CN117949883A (en) * | 2024-03-26 | 2024-04-30 | 广东省计量科学研究院（华南国家计量测试中心） | Electromagnetic radiation analyzer calibrating device |
| CN117949883B (en) * | 2024-03-26 | 2024-07-05 | 广东省计量科学研究院（华南国家计量测试中心） | Electromagnetic radiation analyzer calibrating device |
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