CN105099581A - Radio frequency performance test device - Google Patents
Radio frequency performance test device Download PDFInfo
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- CN105099581A CN105099581A CN201510477311.1A CN201510477311A CN105099581A CN 105099581 A CN105099581 A CN 105099581A CN 201510477311 A CN201510477311 A CN 201510477311A CN 105099581 A CN105099581 A CN 105099581A
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- 238000011056 performance test Methods 0.000 title abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 72
- 238000012216 screening Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 239000011358 absorbing material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention discloses a radio frequency performance test device comprising a shielding box, an antenna and a clamp. The shielding box comprises a shielding cavity which is internally provided with a fixing plate. The antenna is fixedly connected on the fixing plate. The length direction of the antenna is perpendicular to the fixing plate. The clamp comprises a support and a tray. The support is slidably connected on the fixing plate along a direction close to or away from the antenna. The tray is slidably connected on the support. The sliding direction of the tray is perpendicular to the fixing plate. The tray is used for installing terminal equipment. The antenna transmits a radio frequency signal to the terminal equipment. According to the radio frequency performance test device, the position of the terminal equipment relative to the antenna is rapidly and accurately adjusted by arrangement of the clamp capable of adjusting the position of the terminal equipment so that signal transmission is facilitated, and radio frequency performance test efficiency and test result accuracy can be enhanced.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of radio-frequency performance testing apparatus.
Background technology
In the production process of wireless terminal, in order to ensure the production quality of product, often to carry out the coupling measurement of antenna, and then judge whether the antenna in wireless terminal meets performance requirement by test.
At present, existing test mode mainly contains following two kinds: the first adopts coupling pyrometric cone shielded box, by the antenna RF performance test adopting the mode of signaling test equipment to carry out terminal, above-mentioned shielded box needs USB (UniversalSerialBus, USB) incoming line carries out transformation and could connect USB line, but adopt described mode to reduce shielding, thus affect test result, and fix due to terminal location, be not easy to adjust flexibly the position of tested object when carrying out different frequency range test.The second is the shielded box adopting band plate aerial, for the mobile phone of multiple antennas, adopts described device to be difficult to adjust its placement location to make test result accuracy not high.
Summary of the invention
The embodiment of the present invention provides a kind of radio-frequency performance testing apparatus, come fast by the fixture being provided with adjustable terminal equipment position and adjust the position of terminal equipment relative antenna exactly, be convenient to signal pass on, improve the efficiency of radio-frequency performance test and the accuracy of test result.
Embodiments provide a kind of radio-frequency performance testing apparatus, comprising: shielded box, antenna and fixture;
Described shielded box comprises shielding cavity, fixed head is provided with in described shielding cavity, described fixed head is fixedly connected with described antenna, the vertical described fixed head of length direction of described antenna, described fixture comprises support and pallet, described support is slidably connected on described fixed head along close or away from described antenna direction, described tray both slid is connected on described support, the vertical described fixed head of glide direction of described pallet, described pallet is in order to install described terminal equipment, wherein, terminal equipment described in described sky alignment sends radiofrequency signal.
Wherein, described shielded box comprises a shielding box and rotates the screening cover be loaded on described shielding box, described screening cover is rotationally connected with on described shielding box, and described shielding cavity is positioned at described shielding box, and described screening cover is placed on described shielding box to seal described shielding cavity.
Wherein, described shielded box also comprises expansion link; Described expansion link comprises the first end and the second end that are oppositely arranged, and described first end and the second end are rotationally connected with described shielding box and described screening cover respectively.
Wherein, the first chute offered on the surface by described fixed head one, and the bracket slide of described fixture is loaded in described first chute.
Wherein, the surface that described fixed head is provided with described first chute is provided with a groove, the radiation that described antenna comprises base, position-arresting disk and is fixed on described base, described base is fixed in described groove, described position-arresting disk is fixed on described base away from the surface of described groove and covers described groove, and described radiation is positioned at described shielding cavity through described position-arresting disk.
Wherein, described support offers the second chute and slip and be loaded on the first adjusting rod in described second chute, described pallet is fixedly connected with described first adjusting rod.
Wherein, described pallet comprises master tray and rotating disk; Described master tray is fixedly connected with described first adjusting rod, and described dial rotation is connected on described master tray, the parallel described fixed head of rotation direction of described rotating disk.
Wherein, described shielded box is provided with control interface, and described control interface is electrically connected described antenna, in order to obtain radiofrequency signal from external signal equipment.
Wherein, described radio-frequency performance testing apparatus also comprises time-delay relay; Described time-delay relay is electrically connected described antenna, and described time-delay relay controls the duration that described antenna sends described radiofrequency signal.
Wherein, described radio-frequency performance testing apparatus also comprises suction ripple layer; Described suction ripple layer is covered in the inner wall surface of described shielded box, for absorbing reflection electromagnetic wave.
Radio-frequency performance testing apparatus of the present invention adopts and slidably regulates the fixture of horizontal and vertical displacement to carry terminal equipment to be tested, be convenient to adjust the position of described terminal equipment relative to described antenna according to radio-frequency performance test request, to realize carrying out adjusting fast and exactly to the position of described terminal equipment when different frequency range is tested, be convenient to signal pass on, improve the efficiency of radio-frequency performance test and the accuracy of test result.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the radio-frequency performance testing apparatus that the embodiment of the present invention provides;
Fig. 2 is the cutaway view of radio-frequency performance testing apparatus along II-II part of Fig. 1;
Fig. 3 is the internal structure schematic diagram of the radio-frequency performance testing apparatus provided of Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to the schematic diagram of the radio-frequency performance testing apparatus that Fig. 1-3, Fig. 1 provides for the embodiment of the present invention.Fig. 2 radio-frequency performance testing apparatus is along the cutaway view of II-II part.Fig. 3 is the internal structure schematic diagram of radio-frequency performance testing apparatus, the invention provides a kind of radio-frequency performance testing apparatus and comprises: shielded box 1, antenna 2 and fixture 3.
Described shielded box 1 comprises shielding cavity 11.Fixed head 111 is provided with in described shielding cavity 11.Described fixed head 111 is fixedly connected with described antenna 2, the vertical described fixed head 111 of length direction of described antenna 2.Described fixture 3 comprises support 31 and pallet 32.Described support 31 is slidably connected on described fixed head 111 along close or away from described antenna 2 direction, and described pallet 32 is slidably connected on described support 31.The vertical described fixed head 111 of glide direction of described pallet 32, described pallet 32 is in order to install described terminal equipment, and wherein, described antenna 2 sends radiofrequency signal to described terminal equipment 4.
Further, described shielded box 1 comprises a shielding box 12 and rotates the screening cover 13 be loaded on described shielding box 12, described screening cover 13 is rotationally connected with on described shielding box 12, described shielding cavity 11 is positioned at described shielding box 12, and described screening cover 13 is placed on described shielding box 12 to seal described shielding cavity 11.
Concrete, described shielding box 12 rectangular hollow body, it all sidewall (not shown) comprising diapire (not shown) and arrange around bottom wall surface.Described screening cover 13 is loaded on all sidewall (not shown) edges of described shielding box 12 by the modes such as rotating shaft are turnover and closed by described shielding box 12.Described shielding cavity 11 can be the space closed formed by shielding box 12 and the screening cover 13 being placed on described shielding box 12, also can be the space arranged separately in described shielded box 1.In the present embodiment, described shielding cavity 11 is the cavity of described shielding box 12 and is closed by described screening cover 13, and the diapire (not shown) of described shielding box 12 is located at by described fixed head 111.When described screening cover 13 turns to open mode, tester can carry out described antenna 2 and changes or regulate the position of described fixture 3, when carrying out in test process, can be closed by described shielded box 1 by rotating described screening cover 13.In other embodiments, described shielded box 1 also can be designed as the form that described screening cover 13 is slidably connected to described shielding box 12, described screening cover 13 is slid into the opening covering described shielding box 12 completely and can close described shielded box 1.By described shielded box 1 is set to described shielding box 12 and described screening cover 13 two parts, tester can be facilitated the opening and closing of described shielded box 1, thus the adjustment be convenient to described antenna 2 and described terminal equipment 4 position or replacing, improve the convenience of tester's test.
It should be noted that, carrying out in radio-frequency performance test, described shielded box 1 mainly plays the effect of shielding external interference signals.Described antenna 2 in the present embodiment refers to 360 degree of omnidirectional antennas, according to test needs, described antenna 2 is fixedly connected on described fixed head 11, the length direction vertical fixing plate 111 of described antenna 2, received with the described terminal equipment 4 that the radiofrequency signal making described antenna 2 send can be placed in around described antenna 2.This radio-frequency performance testing apparatus can support that one or more terminal equipment 4 is tested simultaneously.When testing, can by described support 31 along near or carry out sliding away from the direction of described antenna 2 and adjust the position of the relatively described pallet 32 of described support 31, thus control the position of described antenna 2 relative to the terminal equipment 4 on described pallet 32.Described pallet 32 can slide up and down perpendicular to described fixed head 111, to regulate the test height of described terminal equipment 4.In the present embodiment, described terminal equipment 4 can be arrange an accommodating groove 321 on described pallet 32, is positioned in described accommodating groove 321 by terminal equipment 4.In other embodiments, described terminal equipment 4 directly can be clamped on pallet 32 by jaw.
Radio-frequency performance testing apparatus of the present invention is applied to and carries out antenna-coupled test to terminal, wherein said terminal equipment 4 can comprise as panel computer, smart mobile phone, notebook computer, palmtop PC and mobile internet device (MobileInternetDevice, MID) etc.In the present embodiment, described terminal equipment 4 is smart mobile phone, before testing, described terminal equipment 4 is positioned in the accommodating groove 321 of described pallet 32, is slided and the slip of described support 31 on described fixed head 111 adjusts the position of described terminal equipment 4 at vertical described antenna 2 relative to horizontal direction by described pallet 32 on described support 31.Described antenna 2 can be connected with external signal equipment by holding wire, the radiofrequency signal that external signal equipment provides is sent, described radiofrequency signal can be got to make described terminal equipment 4 thus carry out the test of radio-frequency performance, such as, holding wire one end is connected to described antenna 2, the other end can be connected to signal input apparatus, (PeripheralComponentInterconnectionextensionsforInstrumen tation is expanded towards the periphery component interconnection of instrument system as used, PXI) bus apparatus, each vector signal generator (VectorSignalGenerator in equipment, VSG) a frequency signal (or launching two frequency bins signal by wave file in VSG prescribed bandwidth) is launched, multiple frequency by mixer or power splitter by signal syntheses one road signal, described antenna 2 receives described radiofrequency signal by holding wire, and send described radiofrequency signal when testing.
Radio-frequency performance testing apparatus of the present invention adopts and slidably regulates the described fixture 3 of horizontal and vertical displacement to carry terminal equipment to be tested, be convenient to adjust the position of described terminal equipment 4 relative to described antenna 2 according to radio-frequency performance test request, to realize carrying out adjusting fast and exactly to the position of described terminal equipment 4 when different frequency range is tested, be convenient to signal pass on, improve the efficiency of radio-frequency performance test and the accuracy of test result.
Further, described shielded box 1 also comprises expansion link 14; Described expansion link 14 comprises the first end 141 and the second end 142 that are oppositely arranged, and described first end 141 and the second end 142 are rotationally connected with described shielding box 12 and described screening cover 13 respectively.
Concrete, in order to control the opening and closing of described screening cover 13 easily in the present embodiment, described shielded box 1 is also provided with described expansion link 14.Described expansion link 14 can be column or strip, and its length can change by inner spring assembly etc. is flexible, and it comprises the first end 141 and the second end 142 that are oppositely arranged.The first end 141 of described expansion link 14 is rotationally connected with on the side of described shielding box 12, second end 142 is rotationally connected with on the side of described screening cover 13, and described first end 141 and the second end 142 are positioned on the same plane of described screening cover 13 and described shielding box 12.Described expansion link 14 also can have two, lays respectively at the two sides of described shielded box 1.In the present embodiment, the side of described shielding box 12 is provided with connecting axle 143.Described screening cover 13 is provided with the unidirectional side of connecting axle with shielding box 12 and is provided with connecting axle 144.Described first end 141 rotates and is loaded on connecting axle 143 and prevents from realizing rotating by bearing etc.Described second end 142 rotates and is loaded on described connecting axle 144.
Described expansion link 14 can be controlled by cylinder equal power device, and controls the flexible of expansion link 14 by the control switch carrying out being electrically connected with cylinder, thus controls the unlatching of described shielded box 1 or closed, facilitates the operation of tester.The first end 141 of described expansion link 14 and the rotation direction of the second end 142 are all parallel to the rotation direction of described screening cover 13, namely when the second end 142 of described expansion link 14 rotates, its first end 141 with the end points of the second end 142 for the center of circle, with the length of described expansion link 14 for radius carries out circular motion, the first end 141 being simultaneously connected to described screening cover 13 drives described screening cover 13 to carry out covering or opening.Control opening and closing automatically of shielded box by described expansion link 14, reduce the workload of tester, improve the efficiency of test.
Further, the first chute 1111 offered on the surface by described fixed head 111 1, and described fixture 3 is slidably connected to described first chute 1111.Fixture 3 described in the present embodiment can be one or more fixtures 3, and this radio-frequency performance testing apparatus can support that multiple terminal equipment 4 is tested simultaneously.Conveniently position adjustments is carried out to described fixture 3, described first chute 1111 can be offered on the surface at described fixed head 111 1, and described first chute 1111 can be multiple, is slidably connected for multiple fixture 3.In the present embodiment, two the first chutes 1111 are one group, have two group of first chute 1111, carry out for two fixtures 3, namely can detect two terminal equipments 4.Described antenna 2 is positioned at described fixed head 111 surface middle part, and each bearing of trend organizing the first chute 1111 described is positioned at described antenna 2 side away from described antenna 2 to be parallel to the length bearing of trend of described fixed head 111.By the movement of described fixture 3 the first chute 1111 in said direction, can control described fixture 3 near or away from described antenna 2, multiple first chute 1111 is set in said direction can carries out radio-frequency performance test to close or away from described antenna 2 diverse location simultaneously, wherein, described first chute 1111 can be provided with scale, for measuring the particular location of described fixture 3.By described first chute 1111, described fixture 3 is slided, facilitate tester to adjust the particular location of current described fixture 3 relative antenna 2, to make described terminal equipment 4 correspondence adjust to test request position, improve the convenience of test.
Further, the surface that described fixed head 111 is provided with the first chute 1111 is provided with a groove 1112, described antenna 2 comprises the radiation 23 on base 21, position-arresting disk 22 and fixing described base 21, described base 21 is fixed in described groove 1112, described position-arresting disk 22 is fixed on base away from the surface of described groove 1112 and covers described groove 1112, and described radiation 23 is positioned at described shielding cavity through described position-arresting disk 22.
Concrete, described groove 1112 can be circular groove, also can be the spill disk that outward flange is high, mid portion is low, and described groove 1112 is arranged at the center on the surface of described first chute 1111.In the present embodiment, described groove 1112 is for holding described base 21.The base 21 of described antenna 2 is circular, is positioned in described groove 1112.The radius of described groove 1112 should be greater than the radius of described base 21.In other embodiments, the base 21 of antenna 2 also can be the shape of mating with groove 1112 arbitrarily.In the present embodiment, described position-arresting disk 22 is a kind of disk of middle perforation, and it is for the position of fixing described antenna 2.Described radiation 23 can by described perforation through described position-arresting disk 22, and therefore the radius of described radiation 23 should be less than described position-arresting disk 22 central hole radius.In the present embodiment, the degree of depth of described groove 1112 can slightly larger than the base 21 of described antenna 2, and the position that groove 1112 periphery of the periphery of described position-arresting disk 22 and described fixed head 111 is fitted adopts the securing members such as nonmetallic bolt to be fixed.In other embodiments, also can by the base 21 of described antenna 2 being adsorbed on described fixed head 111 with fixing described antenna 2.Carry out position by described position-arresting disk 22 and described groove 1112 to described antenna 2 to fix, be convenient in test process, to carry out described antenna 2 and fix, also facilitate tester before testing to the replacing of described antenna 2.
Further, described support 31 offers the second chute 311 and slide be loaded on the first adjusting rod 312 in described second chute 311, described pallet 32 is fixedly connected with described first adjusting rod 312.
Concrete, the length direction of described support 31 and the perpendicular of described fixed head 111, one end of described support is fixed on described fixed head 111.In the present embodiment, the glide direction of described second chute 311 that described support 31 is offered is identical with the length direction of described support 31, and with described fixed head 111 perpendicular.Described pallet 32 is fixedly connected with described first adjusting rod 312, and the paralleling with described fixed head 111 of described pallet 32.When described first adjusting rod 312 slides up and down along described second chute 311, the height of described pallet 32 can be regulated.In the present embodiment, described second chute 311 is provided with scale, tester can obtain current height value by the scale reading described first adjusting rod 312 correspondence.By the second chute 311 on described support 31 and described first adjusting rod 312, so that the height of tester to described pallet 32 adjusts, thus the height being positioned at the terminal equipment 4 of described pallet 32 can be adjusted.
Further, described pallet 32 comprises master tray 322 and rotating disk 323; Described master tray 322 is fixedly connected with described first adjusting rod 312, and described rotating disk 323 is rotationally connected with on described master tray 322, the parallel described fixed head 111 of rotation direction of described rotating disk 323.
Concrete, described master tray 321 side is fixedly connected with described first adjusting rod 312, is regulated by the height of described first adjusting rod 312 to described master tray 322.Described rotating disk 323 to be installed on described master tray 322 and with the center of described master tray 322 for axle center rotates.Described rotating disk 323 is provided with an arc chute, described master tray 322 is provided with bolt, after described rotating disk 323 to slide into the position of test request along described arc chute, the position of rotating disk 323 is fixed through the arc chute of described rotating disk 323 by described bolt, described master tray 322 is provided with scale, and tester can obtain according to described scale the angle rotated.Described rotating disk 323 can arrange described accommodating groove 321, and described accommodating groove 321 is fixedly connected on described rotating disk 323, and described terminal equipment 4 can load in described accommodating groove 23 to be tested.In other embodiments, described rotating disk 323 also can arrange geometrical clamp, can be used for terminal equipment 4 to be fixed on described rotating disk 323.Can be adjusted the orientation of the terminal equipment loaded in described accommodating groove 321 by the rotation of described rotating disk 323, thus the adjustment of the placement location of multiple antennas mobile phone can be solved, so that the steady testing of described antenna 2.
Further, described shielded box 1 is provided with control interface 15, and described control interface 15 is electrically connected described antenna 2, in order to obtain radiofrequency signal from external signal equipment.
Concrete, the lateral wall of described shielded box 1 is provided with control interface 15.Described control interface 15 can be used for transmitting control command or radiofrequency signal, tester can be controlled test process by external control device, improve the efficiency of test.In the present embodiment, the position of described control interface 15 is arranged at lateral wall and position bottom the described shielding box 12, to facilitate the access of holding wire.Described control interface 15 can be the communication interface connecting external signal equipment, such as serial communication interface or usb communication interface etc.In the present embodiment, one end of described control interface 15 is connected to external signal equipment by holding wire, and the other end is connected to described antenna 2, and the radiofrequency signal that described external signal equipment sends sends to described antenna 2 by described control interface 15.In other embodiments, described control interface 15 also may be used for transmitting control command or feedback information.Described control interface 15 can be one or more, to need to connect from different external signal equipment or other external equipment according to test.
Further, described radio-frequency performance testing apparatus also comprises time-delay relay 5; Described time-delay relay 5 is electrically connected described antenna 2, and described time-delay relay 5 controls the duration that described antenna 2 sends described radiofrequency signal.
Concrete, described time-delay relay 5 is electrically connected on antenna 2.In test process, described time-delay relay 2 can free adjustment delay time as required, to carry out time management to test process.In the present embodiment, described time-delay relay 5 controls the duration of the radiofrequency signal that described antenna 2 sends, and also can be the testing time in control and measuring process.In the present embodiment, described time-delay relay 5 can carry out time management in test process, improves testing efficiency.
Further, described radio-frequency performance testing apparatus also comprises suction ripple layer 6; Described suction ripple layer 6 is covered in the inner wall surface of described shielded box 1, for absorbing reflection electromagnetic wave.
Concrete, due to a large amount of electromagnetic waves can be produced in test process, in order to avoid the inwall of electromagnetic wave by shielding box 12 reflects, prevent electromagenetic wave radiation on the impact of test environment, described suction ripple layer 6 is adopted to be covered in the inner wall surface of described shielded box 1, to absorb reflection electromagnetic wave.The absorbing material of described suction ripple layer 6 generally has plane to inhale ripple, it is cotton that ripple inhaled by pyramid, honeycomb absorbing material, ripple ferrite etc. is inhaled on floor, the main component of general absorbing material is all inhale ripple ferrite, by Energy dissipating material ferrite the Electric and magnetic fields in electromagnetic wave changed into thermal losses or sponge, because the tested object frequency in this device is general all between 300MHz-6000MHz, it is cotton that the absorbing material for below 2.4GHz preferably inhales ripple.Absorbing material in the present embodiment is not limited to inhales ripple cotton, has other absorbing material of suction wave energy also within protection scope of the present invention.
Further, described radio-frequency performance testing apparatus also includes control assembly 7, and described control button can be installed on the periphery of described shielded box 1.In the present embodiment, described control assembly 7 comprises switch control rule button, pneumatic button and operation and controls button, other the functionality buttons etc. also can expanded according to concrete test needs.Directly controlling radio-frequency performance testing apparatus by arranging described control assembly 7, improving the convenience of test process.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a radio-frequency performance testing apparatus, in order to the antenna-coupled radio frequency of test terminal equipment, is characterized in that, comprising: shielded box, antenna and fixture;
Described shielded box comprises shielding cavity, fixed head is provided with in described shielding cavity, described fixed head is fixedly connected with described antenna, the vertical described fixed head of length direction of described antenna, described fixture comprises support and pallet, described support is slidably connected on described fixed head along close or away from described antenna direction, described tray both slid is connected on described support, the vertical described fixed head of glide direction of described pallet, described pallet is in order to install described terminal equipment, wherein, terminal equipment described in described sky alignment sends radiofrequency signal.
2. method according to claim 1, it is characterized in that, described shielded box comprises a shielding box and rotates the screening cover be loaded on described shielding box, described screening cover is rotationally connected with on described shielding box, described shielding cavity is positioned at described shielding box, and described screening cover is placed on described shielding box to seal described shielding cavity.
3. radio-frequency performance testing apparatus according to claim 2, is characterized in that, described shielded box also comprises expansion link; Described expansion link comprises the first end and the second end that are oppositely arranged, and described first end and the second end are rotationally connected with described shielding box and described screening cover respectively.
4. radio-frequency performance testing apparatus according to claim 1, is characterized in that, the first chute offered on the surface by described fixed head one, and the bracket slide of described fixture is loaded in described first chute.
5. radio-frequency performance testing apparatus according to claim 4, it is characterized in that, the surface that described fixed head is provided with described first chute is provided with a groove, the radiation that described antenna comprises base, position-arresting disk and is fixed on described base, described base is fixed in described groove, described position-arresting disk is fixed on described base away from the surface of described groove and covers described groove, and described radiation is positioned at described shielding cavity through described position-arresting disk.
6. radio-frequency performance testing apparatus according to claim 1, is characterized in that, described support offers the second chute and slip and be loaded on the first adjusting rod in described second chute, described pallet is fixedly connected with described first adjusting rod.
7. radio-frequency performance testing apparatus according to claim 6, is characterized in that, described pallet comprises master tray and rotating disk; Described master tray is fixedly connected with described first adjusting rod, and described dial rotation is connected on described master tray, the parallel described fixed head of rotation direction of described rotating disk.
8. radio-frequency performance testing apparatus according to claim 1, is characterized in that, described shielded box is provided with control interface, and described control interface is electrically connected described antenna, in order to obtain radiofrequency signal from external signal equipment.
9. radio-frequency performance testing apparatus according to claim 8, is characterized in that, described radio-frequency performance testing apparatus also comprises time-delay relay;
Described time-delay relay is electrically connected described antenna, and described time-delay relay controls the duration that described antenna sends described radiofrequency signal.
10. radio-frequency performance testing apparatus according to claim 1, is characterized in that, described radio-frequency performance testing apparatus also comprises inhales ripple layer;
Described suction ripple layer is covered in the inner wall surface of described shielded box, for absorbing reflection electromagnetic wave.
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| CN201510477311.1A CN105099581B (en) | 2015-08-06 | 2015-08-06 | A kind of radio-frequency performance test device |
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| CN201510477311.1A CN105099581B (en) | 2015-08-06 | 2015-08-06 | A kind of radio-frequency performance test device |
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| CN105099581B CN105099581B (en) | 2017-08-01 |
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| 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 |
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| CN111180881A (en) * | 2020-02-12 | 2020-05-19 | Tcl移动通信科技（宁波）有限公司 | Common antenna device |
| CN112327062A (en) * | 2020-10-19 | 2021-02-05 | 杭州永谐科技有限公司 | Multithread UE test shielded cell |
| CN112398550A (en) * | 2020-11-04 | 2021-02-23 | 深圳市创荣发电子有限公司 | Wireless receiver testing device |
| CN115102639A (en) * | 2022-08-26 | 2022-09-23 | 盛纬伦(深圳)通信技术有限公司 | Antenna radio frequency performance test system and method |
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| CN108566773A (en) * | 2018-02-11 | 2018-09-21 | 珠海博杰电子股份有限公司 | 5G tests shielded box |
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| CN108768554A (en) * | 2018-06-30 | 2018-11-06 | 常州大学 | A kind of computer communication performance test system |
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| CN111180881A (en) * | 2020-02-12 | 2020-05-19 | Tcl移动通信科技（宁波）有限公司 | Common antenna device |
| CN112327062B (en) * | 2020-10-19 | 2023-07-14 | 杭州永谐科技有限公司 | Multi-flow UE test shielding box |
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| CN112398550A (en) * | 2020-11-04 | 2021-02-23 | 深圳市创荣发电子有限公司 | Wireless receiver testing device |
| CN115102639A (en) * | 2022-08-26 | 2022-09-23 | 盛纬伦(深圳)通信技术有限公司 | Antenna radio frequency performance test system and method |
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