CN112533463B - 5G multithread UE test shielded cell - Google Patents
5G multithread UE test shielded cell Download PDFInfo
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- CN112533463B CN112533463B CN202011195932.8A CN202011195932A CN112533463B CN 112533463 B CN112533463 B CN 112533463B CN 202011195932 A CN202011195932 A CN 202011195932A CN 112533463 B CN112533463 B CN 112533463B
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
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Abstract
The invention innovatively provides a 5G multi-stream UE test shielding box, which comprises a box body, a signal test device and a sliding wheel set for supporting the box body to move, wherein the signal test device comprises a movable antenna group and a bearing tray, the movable antenna group comprises a transverse sliding rail, a longitudinal sliding rail, two groups of 5G high-frequency antennas and two groups of 5G low-frequency antennas, the calibers of the two groups of 5G high-frequency antennas are 40mm, the calibers of the two groups of 5G low-frequency antennas are between 100mm and 105mm, the distance between the 5G low-frequency antennas and equipment to be tested on the bearing tray is between 520mm and 570mm, when the two groups of 5G low-frequency antennas on the transverse slide rail slide to the intersection point of the transverse slide rail and the longitudinal slide rail, the distance between the two groups of 5G low-frequency antennas is 112mm, the frequency of the 5G high-frequency antenna is between 24GHz and 40GHz, and the frequency of the 5G low-frequency antenna is between 0.7GHz and 6 GHz; the invention has the advantage of realizing multi-stream multi-terminal multi-band test at the same time.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a 5G multi-stream UE test shielding box.
Background
The multi-stream in the multi-stream UE refers to a plurality of data streams, and the UE refers to terminal equipment, such as a mobile phone, a router and the like, the multi-stream in the multi-stream UE is up to 4 streams of signals, the detection of the function by the equipment is very important along with the progress of the information era, the existing test shielding box has poor signal uniformity, the multi-stream multi-terminal multi-band mobile phone cannot be tested simultaneously, the frequency band signal difference of a 2G/3G/4G/Sub-6G mobile phone is large and unstable, the beam coverage angle of antenna signal transmission is small, so that the equipment to be tested placed on a bearing tray cannot realize the uniform transceiving of the multi-stream signals, and the test shielding box has great influence on the test.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a shielding box capable of simultaneously performing multi-stream multi-terminal multi-band test, which is used for overcoming the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the 5G multi-stream UE test shielding box comprises a box body, a signal testing device and a sliding wheel set for supporting the box body to move, wherein the signal testing device is positioned in the box body, an opening is formed in one side face of the box body, a shielding door for closing or opening is hinged to the opening, a connecting rod lock is arranged on the outer side face of the shielding door, the signal testing device comprises a movable antenna group and a bearing tray, the bearing tray is connected to the inner bottom face of the box body right below the movable antenna group through a supporting frame, a plurality of devices to be tested are placed on the bearing tray, the movable antenna group comprises transverse sliding rails, longitudinal sliding rails, two groups of 5G high-frequency antennas and two groups of 5G low-frequency antennas, the central ends of the longitudinal sliding rails are bent upwards to form a U shape with the opening facing downwards, the transverse sliding rails are horizontally connected between the two arc ends of the longitudinal sliding rails and are arranged in a cross mode with the longitudinal sliding rails, the two groups of 5G high-frequency antennas are respectively connected on a longitudinal slide rail in a sliding manner, the calibers of the two groups of 5G high-frequency antennas are 40mm, the two groups of 5G low-frequency antennas are respectively connected on a transverse slide rail in a sliding manner, the calibers of the two groups of 5G low-frequency antennas are between 100mm and 105mm, the distance between the 5G low-frequency antennas and equipment to be tested on a bearing tray is between 520mm and 570mm, a baffle plate erected on the bearing tray is arranged in the middle of the bearing tray, a radiation plate wound outside the bearing tray is arranged on the inner side surface of the longitudinal slide rail, a radio frequency interface panel and a filtering interface panel are further arranged on one side surface of the box body, the radio frequency interface panel is in line connection with the 5G high-frequency antennas and the 5G low-frequency antennas, and when the two groups of 5G low-frequency antennas on the transverse slide rail slide to the intersection point of the transverse slide rail and the longitudinal slide rail, the distance between the two groups of 5G low-frequency antennas is 112mm, the frequency of the 5G high-frequency antenna is between 24GHz and 40GHz, and the frequency of the 5G low-frequency antenna is between 0.7GHz and 6 GHz.
Further, bear the tray and include the plummer, the plummer is the butterfly, be equipped with the vertical picture peg of multiunit on the plummer, two adjacent picture pegs constitute a standing groove, be equipped with a supporting bench in the standing groove, the supporting surface downward sloping of a supporting bench, the standing groove is used for placing the equipment that awaits measuring.
Further, 5G high frequency antenna includes slider, connecting block, turning block and horn antenna, the slider is connected in connecting block one end, the turning block articulates at the connecting block other end, horn antenna opening is vertical hinge on the turning block down.
Further, the rotation angle of the horn antenna in the vertical direction is between 0 and 30 degrees.
Further, 5G low frequency antenna includes slider and dual polarized antenna, dual polarized antenna articulates in slider one side bottom, dual polarized antenna includes first antenna piece and the second antenna piece that two mutual crisscross set up, all is equipped with the recess side by side on first antenna piece and the second antenna piece.
Furthermore, a vertical slot is formed in the middle of the second antenna piece, and hook grooves are formed in the first antenna piece and the second antenna piece.
Furthermore, a channel with the same width as the connecting plate is arranged on the radiation plate below the 5G high-frequency antenna.
Furthermore, a protruding layer with a sharp corner facing the inside of the box body is arranged on the inner wall of the box body, and the protruding layer is made of a pyramid wave-absorbing material.
Furthermore, still be equipped with fresh air inlet and exhaust vent on a side of the box, the fresh air inlet outside and the outside of exhaust vent all are equipped with the ventilation waveguide window, fresh air inlet inboard and air outlet inboard all are equipped with the fan.
Furthermore, a through hole is formed in the bottom bearing platform in the placing groove, a data connection plugboard is arranged on the inner bottom surface of the box body, USB interfaces with the same number as the placing groove are arranged on the data connection plugboard, and a data transmission line which penetrates through the corresponding through hole and is connected with equipment to be tested is arranged on each USB interface.
The invention has the beneficial effects that: the top surface in the box body is provided with 2 slidable dual-polarized antennas and 2 horn antennas, so that 2G/3G/4G/Sub-6G mobile phone frequency band signals can be completely covered, and a proper beam covering angle is designed according to the size of a mobile phone tray, so that a mobile phone placed on the mobile phone tray can uniformly receive and transmit multi-stream signals, the positions of the dual-polarized antennas can be manually adjusted, and the difference of signal receiving and transmitting of different terminals is solved; the 5G low-frequency band signal is characterized by a wavelength field, relatively small space loss and relatively large coverage range, and the 5G high-frequency band signal is characterized by short wavelength, large space loss and relatively small coverage range, combines a 5G low-frequency band and a high-frequency band 4-flow test scene together, and arranges a 5G low-frequency band antenna on a transverse slide rail at the top of a shielding box by utilizing the transmission characteristic of electromagnetic waves, so that the inside of the shielding box can be uniformly covered with the 5G low-frequency band signal, and the test uniformity of the 5G low-frequency band signal is ensured; the 5G high-frequency band antenna is arranged on the longitudinal slide rail of the shielding box, so that the distance between the mobile phone and the antenna can be flexibly adjusted, and the remote test and switching of signals in a cell range are guaranteed.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a front view of the present invention with the screen door open;
FIG. 3 is an internal structural view of the present invention;
FIG. 4 is a block diagram of a signal testing device according to the present invention;
FIG. 5 is a structural diagram of a 5G high-frequency antenna according to the present invention;
FIG. 6 is a block diagram of a 5G low frequency antenna of the present invention;
FIG. 7 is a front view of the signal testing device of the present invention;
FIG. 8 is a side view of the signal testing device of the present invention;
fig. 9 is a structural view of a first antenna sheet in the present invention;
fig. 10 is a structural view of a second antenna sheet in the present invention.
Reference numerals: 1. a box body; 2. a sliding wheel set; 3. a shield door; 4. a link lock; 5. a mobile antenna group; 6. a carrying tray; 61. a support frame; 62. a bearing table; 63. inserting plates; 64. a placement groove; 65. a support table; 7. a transverse slide rail; 8. a longitudinal slide rail; 9. a 5G high-frequency antenna; 91. a slider; 92. connecting blocks; 93. rotating the block; 94. a horn antenna; 10. a 5G low-frequency antenna; 101. a slider; 102. a dual polarized antenna; 11. a barrier plate; 12. a radiation plate; 121. a channel; 13. a ventilation waveguide window; 14. a fan; 15. a radio frequency interface panel; 16. a burred layer; 5321. a first antenna sheet; 5322. a second antenna sheet; 5323. a groove; 5324. a slot; 5325. and (4) hooking the groove.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
the specific structure of the 5G multi-flow UE test shielding box is shown in figures 1-10, and comprises a box body 1, a signal testing device and a sliding wheel set 2(4 universal wheels with 3 inches, which can enable the shielding box to slide on the ground and be conveniently carried in a transposition mode) for supporting the box body 1 to move, wherein the signal testing device is positioned in the box body 1, one side surface of the box body 1 is provided with an opening, and the opening is hinged with a shielding door 3 for closing or opening, the outer side surface of the shielding door 3 is provided with a connecting rod lock 4, the signal testing device comprises a mobile antenna group 5 and a bearing tray 6, the bearing tray 6 is connected to the inner bottom surface of the box body 1 right below the mobile antenna group 5 through a supporting frame 61, a plurality of devices to be tested (the devices to be tested in the invention are mobile phones) are placed on the bearing tray 6, the mobile antenna group 5 comprises a transverse slide rail 7, a longitudinal slide rail 8, two groups of 5G high-frequency antennas 9(Sub6G) and two groups of 5G low-frequency antennas 10, the central end of the longitudinal slide rail 8 is bent upwards to form a U shape with a downward opening, the transverse slide rail 7 is horizontally connected between two arc ends of the longitudinal slide rail 8 and is arranged in a cross way with the longitudinal slide rail 8 (as shown in figures 3-4, the longitudinal slide rail 8 in the invention is vertical to the bearing tray 6 below, and the vertical two ends of the longitudinal slide rail 8 are respectively fixed on two inner walls of the box body 1, two arc transition ends are arranged between the two vertical ends of the longitudinal slide rail 8, the transverse slide rail 7 is communicated with the longitudinal slide rail 8, so that the 5G high-frequency antennas 9 positioned on the longitudinal slide rail 8 can slide from one vertical end to the other vertical end and can also slide onto the transverse slide rail 7, two groups of 5G high-frequency antennas 9 are respectively connected onto the longitudinal slide rail 8 in a sliding manner, the calibers of the two groups of 5G high-frequency antennas 9 are 40mm, two groups of 5G low-frequency antennas 10 are respectively connected onto the transverse slide rail 7 in a sliding manner, the calibers of the two groups of 5G low-frequency antennas 10 are between 100mm and 105mm (the 5G high-frequency antennas 9 in the invention adopt 101.7mm as experimental data), the distance between the 5G low-frequency antennas 10 and the equipment to be tested on the bearing tray 6 is between 520mm and 570mm (as shown in figure 7, the distance is referred to as H1, and the range is the experimental range of the invention, the experimental data adopts two extreme values of 520mm and 570 mm), a baffle plate 11 (which can isolate high-frequency signals at the left and right sides and divide high-frequency signals of 5G, and has small influence on the coverage of low-frequency signals of 5G) is arranged in the middle of the bearing tray 6, the test is 16 mobile phones in the invention, but mainly takes into consideration that 16 mobile phones need to be divided into two relatively independent test cells in a millimeter wave frequency band, and a test cell needs to be considered in a Sub6G frequency band, because of poor diffraction capability of the millimeter wave signals, a metal baffle plate in the middle of the bottom is provided with a wave-absorbing material, which can well absorb the millimeter wave signals, so that the bottom cell is divided into two cells, in order to further separate the two cells, the millimeter wave horn antenna 94 is placed on slide rails at the two sides, and the angle of the horn antenna 94 is adjusted between 0 and 30 degrees, ensuring the uniform coverage of signals in a single cell without generating interference on another cell, in order to realize the compatibility of the Sub6G uplink and downlink test and the millimeter wave uplink and downlink test in a small shielding box, the inner side surface of the longitudinal slide rail 8 is provided with three radiation plates 12 wound outside the bearing tray 6 (as shown in figures 3-4, the radiation plates 12 in the invention are not provided on one side, which can be observed, the radiation plates 12 are connected on the inner wall of the box body 1 through connecting rods, the radiation plates 12 are used for placing the 5G high-frequency antenna 9 and the 5G low-frequency antenna 10 to be reflected to the inner wall of the box body 1 in the air when transmitting signals to a mobile phone below and absorbed by wave-absorbing pyramid materials, thereby affecting the test effect), a radio frequency interface panel 15 and a filter interface panel are also arranged on one side surface of the box body 1, the radio frequency interface panel 15 is connected with the 5G high-frequency antenna 9 and the 5G low-frequency antenna 10 in a circuit, a radio frequency interface is arranged on the radio frequency interface panel 15, the inner end of the radio frequency interface is electrically connected with the dual-polarized antenna 102 and the horn antenna 94, the outer end of the radio frequency interface is connected with an external signal base station, the external signal base station transmits data signals to the dual-polarized antenna 102 and the horn antenna 94 and then transmits the data signals to the interior of the shielding box, and a filtering interface is arranged on the filtering interface panel and mainly used for effectively filtering frequency points with specific frequency or frequencies except the frequency points; when the two groups of 5G low-frequency antennas 10 on the transverse slide rail 7 slide to the intersection point of the transverse slide rail 7 and the longitudinal slide rail 8, the distance between the two groups of 5G low-frequency antennas 10 is 112mm (as shown in FIG. 8, X is 112mm), the frequency of the 5G high-frequency antenna 9 is between 24GHz and 40GHz, and the frequency of the 5G low-frequency antenna 10 is between 0.7GHz and 6 GHz; as shown in fig. 7-8, only one of the two sets of 5G low frequency antennas 10 on the transverse sliding rail 7 is overlapped when viewed from the side, two lines extend from both ends of each 5G low frequency antenna 10, the coverage angle received by 8 mobile phones on one side of the blocking plate 11 is about 44 ° (as shown in fig. 7, α 1+ α 2 is about 44 °, and the maximum coverage angle of the two sets of 5G low frequency antennas 10 on the upper end of the present invention is 45 °, and the coverage is performed within 45 °, the radiation angle of the 5G high frequency antenna 9 on one side of the blocking plate 11 is 60 ° (γ is 60 ° as shown in fig. 7), the distance between the two sets of 5G low frequency antennas 10 on the transverse sliding rail 7 is 112mm when viewed from the front, the radiation angle of the two lines is about 38.5 ° (as shown in fig. 8, the value of Y1+ Y2 is about 38.5 °), the radiation angle of the 5G high frequency antenna 9 on one side of the blocking plate 11 is about 24 ° (as shown in fig. 8, y3 is 24 deg.), the antenna pattern is typically within 45 deg. depending on the coverage conditions, ensuring that the handset is within the main lobe beam coverage of the antenna.
The following table is the experimental test data:
as shown in the table, the 5G high frequency antenna 9 in the present invention is a horn antenna 94 with an aperture of 40mm, as shown in fig. 7, the best coverage is obtained when the distance between the horn antenna 94 and the highest point of the mobile phone below is H2, H2 is between 50mm and 400mm, and the distance tested in the table is two values of 400mm and 458mm, the horn antenna 94 can slide from one side to the other side on the longitudinal slide rail 8, so the height can exceed the 400mm value of H2, when the frequency emitted from the horn antenna 94 is 24GHz and the distance between the horn antenna 94 and the mobile phone is 400mm, the measured far-field distance of the antenna is 256.0mm, the measured spatial path loss value is 52.1dB, when the distance between the horn antenna 94 and the mobile phone is 458mm, the measured far-field distance of the antenna is 256.0mm, the measured spatial path loss value is 53.3dB, when the frequency emitted from the horn antenna 94 is 28GHz and the distance between the horn antenna 94 and the mobile phone is 400mm, the measured far-field distance of the antenna is 298.7mm, the measured spatial path loss value is 53.4dB, when the distance between the horn antenna 94 and the mobile phone is 458mm, the measured far-field distance of the antenna is still 298.7mm, the measured spatial path loss value is 54.6dB, when the frequency emitted by the horn antenna 94 is 40GHz and the distance between the horn antenna 94 and the mobile phone is 400mm, the measured far-field distance of the antenna is 426.7mm, the measured spatial path loss value is 56.5dB, when the distance between the horn antenna 94 and the mobile phone is 458mm, the measured far-field distance of the antenna is still 426.7mm, and the measured spatial path loss value is 57.7 dB; the 5G low-frequency antenna 10 is a Sub6G antenna, the caliber of the antenna is 101.7mm, the distance between the Sub6G antenna and the mobile phone in the test is the value of H1 in the figure 7, H1 is 520mm-570mm, the test adopts two values of 520mm and 570mm, when the Sub6G antenna emits 0.7GHz and the distance between the Sub6G antenna and the mobile phone below is 520mm, the measured far-field distance of the antenna is 48.3mm, the measured spatial path loss is 23.7dB, and when the distance between the Sub6G antenna and the mobile phone below is 570mm, the measured far-field distance of the antenna is still 48.3mm, and the measured spatial path loss is 24.5 dB; when the Sub6G antenna emits 1.7GHz and the distance between the Sub6G antenna and the mobile phone below is 520mm, the measured far-field distance of the antenna is 117.2mm, the measured spatial path loss is 31.4dB, and when the distance between the Sub6G antenna and the mobile phone below is 570mm, the measured far-field distance of the antenna is still 117.2mm, and the measured spatial path loss is 32.2 dB; when the Sub6G antenna emits 2.7GHz and the distance between the Sub6G antenna and the mobile phone below is 520mm, the measured far-field distance of the antenna is 186.2mm, the measured spatial path loss is 35.4dB, when the distance between the Sub6G antenna and the mobile phone below is 570mm, the measured far-field distance of the antenna is still 186.2mm, and the measured spatial path loss is 36.2 dB; when the Sub6G antenna emits 3.3GHz and the distance between the Sub6G antenna and the mobile phone below is 520mm, the measured far-field distance of the antenna is 227.5mm, the measured spatial path loss is 37.1dB, when the distance between the Sub6G antenna and the mobile phone below is 570mm, the measured far-field distance of the antenna is 227.5mm, and the measured spatial path loss is 37.6 dB; when the Sub6G antenna emits 3.8GHz and the distance between the Sub6G antenna and the mobile phone below is 520mm, the measured far-field distance of the antenna is 262.0mm, the measured spatial path loss is 38.4dB, and when the distance between the Sub6G antenna and the mobile phone below is 570mm, the measured far-field distance of the antenna is still 262.0mm, and the measured spatial path loss is 39.1 dB; when the Sub6G antenna emits 4.9GHz and the distance between the Sub6G antenna and the mobile phone below is 520mm, the measured far-field distance of the antenna is 337.9mm, the measured spatial path loss is 40.6dB, when the distance between the Sub6G antenna and the mobile phone below is 570mm, the measured far-field distance of the antenna is 337.9mm, and the measured spatial path loss is 41.4 dB; when the Sub6G antenna emits 6GHz and the distance between the Sub6G antenna and the mobile phone below is 520mm, the measured far-field distance of the antenna is 413.7mm, the measured spatial path loss is 42.3dB, and when the distance between the Sub6G antenna and the mobile phone below is 570mm, the measured far-field distance of the antenna is still 413.7mm, and the measured spatial path loss is 43.1 dB; according to experimental data, the measured far-field distances of the antennas are the same under the same antenna aperture and the same emitted frequency (the far-field distance of the far-field antenna of the antenna refers to a far-field region which can generate specific radiation after the antenna emits stably, and the influence on the outside and the inside is minimum when the antenna is tested in the region), for the Sub6G antenna, the measured space loss difference is about 0.8dB at the two distances of 520mm and 570mm, and the signals have 3dB difference in the antenna beam coverage range, so that the signal difference is estimated to be about 3.8dB comprehensively, and the signal difference from different Sub6G antennas to different mobile phones in the whole box is also about 3.8 dB; for the millimeter wave horn antenna 94, the distance between the antenna and the mobile phone is between 400mm and 458mm, the measured spatial loss value is 1.2dB, and the signals have 3dB difference in the antenna beam coverage range, so that the signal difference is estimated to be about 4.2dB by synthesis, and thus the signal difference from different millimeter wave horn antennas 94 to different mobile phones in the whole box is also about 4.2 dB.
As shown in fig. 4, the carrying tray 6 includes a carrying platform 62, the carrying platform 62 is in a butterfly shape, a plurality of groups of vertical inserting plates 63 are arranged on the carrying platform 62, two adjacent inserting plates 63 form a placing groove 64 (the carrying platform 62 in the present invention is divided into two sides, each side can be used for placing 8 mobile phones, an odd number groove in the groove formed by two adjacent inserting plates 63 is the placing groove 64), a supporting platform 65 is arranged in the placing groove 64, the supporting surface of the supporting platform 65 is inclined downwards, the placing groove 64 is used for placing the device to be tested, the tray is made of a non-metal material with a low dielectric constant, so that the influence on space signals is small, and the accuracy of the test is enhanced.
As shown in fig. 5, the 5G high-frequency antenna 9 includes a slider 91, a connecting block 92, a rotating block 93 and a horn antenna 94, the slider 91 is connected to one end of the connecting block 92, the rotating block 93 is hinged to the other end of the connecting block 92, and the horn antenna 94 is vertically hinged to the rotating block 93 with an opening facing downward; the rotation angle of the horn antenna 94 in the vertical direction is between 0 to 30 °, and when the horn antenna 94 moves upward, the emission port of the horn antenna 94 can rotate by a maximum of 30 ° to the side of the blocking plate 11 to meet the test requirement.
As shown in fig. 6, 9, and 10, the 5G low-frequency antenna 10 includes a slider 101 and a dual-polarized antenna 102 (the dual-polarized antenna 102 is a novel antenna technology, and combines two orthogonal antennas with polarization directions of +45 ° and-45 ° and works in a duplex mode of transceiving, and its most prominent advantage is to save the number of antennas of a single directional base station, the bottom of the slider 101 has a circular ring, the top of the circular ring is connected in a sliding rail through a sliding strip, and the angle of the circular ring is fixed through a bolt), the dual-polarized antenna 102 is hinged at the bottom of one side of the slider 101, the dual-polarized antenna 102 includes two first antenna pieces 5321 and two second antenna pieces 5322 that are arranged crosswise to each other, and the first antenna pieces 5321 and the second antenna pieces 5322 are both provided with grooves 5323 side by side; a vertical slot 5324 is provided in the middle of the second antenna sheet 5322, a hook groove 5325 is provided on each of the first antenna sheet 5321 and the second antenna sheet 5322 (the middle of the first antenna sheet 5321 is aligned with the slot 5324 of the second antenna sheet 5322 and inserted downwards, and at this time, the hook pin on the first antenna sheet 5321 is hooked with the hook pin on the second antenna sheet 5322, so the first antenna sheet 5321 and the second antenna sheet 5322 are connected together), each of the first antenna sheet 5321 and the second antenna sheet 5322 has a row of grooves 5323 which are symmetrical to each other left and right, and a row of 7 grooves 5323, because of the need to consider the signal coverage of 0.7-6GHz, because of the size limitation of the dual-polarized antenna 102, if the conventional Vivaldi antenna is designed in a cross shape, the conventional Vivaldi antenna is a non-periodic, gradual change, end-fire traveling wave antenna, which is a broadband antenna, and the size of the antenna is very large, not satisfactory for use in confined spaces. In order to solve the problem, the groove 5323 is skillfully added on the basis of the conventional vivaldi antenna, so that the current path of the antenna flowing on the antenna is longer, the antenna can work in a low frequency band, the antenna can be expanded to the low frequency band under the condition of unchanged size, and finally the antenna can work in the frequency band of 0.7-6 GHz.
As shown in FIG. 4, a passage 121 having the same width as that of the connection plate is provided in the radiation plate 12 below the 5G high-frequency antenna 9.
As shown in fig. 2, a layer of spike layer 16 with a sharp corner facing the inside of the box body 1 is arranged on the inner wall of the box body 1, the spike layer 16 is made of a pyramid wave-absorbing material, and the wave-absorbing pyramid material mainly can comprehensively resist electromagnetic interference and electromagnetic wave radiation.
As shown in fig. 2-3, a side surface of the case body 1 is further provided with an air inlet hole and an air outlet hole, ventilation waveguide windows 13 are respectively arranged outside the air inlet hole and outside the air outlet hole (the ventilation waveguide windows 13 are thin, light and high in shielding effect), fans 14 are respectively arranged inside the air inlet hole and inside the air outlet hole, the inside of the case body 1 is cooled by the fans 14, and it is ensured that the temperature inside the shielding case and the temperature difference outside the shielding case are controlled within 5 ℃ when the mobile phone continuously works.
As shown in fig. 3, through holes (not indicated in the present invention) are formed in the bottom bearing platform 62 in the placement groove 64, a data connection plug board 63 is disposed on the inner bottom surface of the box body 1, USB interfaces having the same number as the placement groove 64 are disposed on the data connection plug board 63, and data transmission lines passing through the corresponding through holes and connected to the device to be tested are disposed on the USB interfaces, so that signals are transmitted to the inside of the box body 1 through the dual-polarized antenna 102 and the horn antenna 94 by the external base station and then received by the mobile phone, and then the signals are transmitted to the external control terminal through the data lines to test data.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a 5G multithread UE test shielded cell, includes slip wheelset (2) that box (1), signal testing arrangement and supporting box (1) removed, signal testing arrangement is located box (1), be equipped with the opening on the side of box (1), it has shielding door (3) that are used for closing or open to articulate on the opening, shielding door (3) lateral surface is equipped with link lock (4), its characterized in that: the signal testing device comprises a mobile antenna group (5) and a bearing tray (6), the bearing tray (6) is connected to the inner bottom surface of a box body (1) right below the mobile antenna group (5) through a supporting frame (61), a plurality of devices to be tested are placed on the bearing tray (6), the mobile antenna group (5) comprises a transverse slide rail (7), a longitudinal slide rail (8), two groups of 5G high-frequency antennas (9) and two groups of 5G low-frequency antennas (10), the central end of the longitudinal slide rail (8) is bent upwards to form a U shape with an opening facing downwards, the transverse slide rail (7) is horizontally connected between two arc ends of the longitudinal slide rail (8) and is in cross arrangement with the longitudinal slide rail (8), the two groups of 5G high-frequency antennas (9) are respectively connected on the longitudinal slide rail (8) in a sliding manner, the calibers of the two groups of 5G high-frequency antennas (9) are 40mm, the two groups of 5G low-frequency antennas (10) are respectively connected to a transverse sliding rail (7) in a sliding manner, the calibers of the two groups of 5G low-frequency antennas (10) are between 100mm and 105mm, the distance between the 5G low-frequency antennas (10) and equipment to be tested on a bearing tray (6) is between 520mm and 570mm, a blocking plate (11) erected on the bearing tray (6) is arranged in the middle of the bearing tray (6), a radiation plate (12) wound outside the bearing tray (6) is arranged on the inner side surface of a longitudinal sliding rail (8), a radio frequency interface panel (15) and a filtering interface panel are further arranged on one side surface of the box body (1), the radio frequency interface panel (15) is connected with the 5G high-frequency antennas (9) and the 5G low-frequency antennas (10) in a line mode, when the two groups of 5G low-frequency antennas (10) on the transverse sliding rail (7) slide to the intersection point of the transverse sliding rail (7) and the longitudinal sliding rail (8), the distance between the two groups of 5G low-frequency antennas (10) is 112mm, the frequency of the 5G high-frequency antenna (9) is between 24GHz and 40GHz, and the frequency of the 5G low-frequency antenna (10) is between 0.7GHz and 6 GHz.
2. The 5G multiflow UE test shielding box according to claim 1, wherein: bear tray (6) including plummer (62), plummer (62) are the butterfly, be equipped with the vertical picture peg (63) of multiunit on plummer (62), two adjacent picture pegs (63) constitute a standing groove (64), be equipped with brace table (65) in standing groove (64), the holding surface downward slope of brace table (65), standing groove (64) are used for placing the equipment that awaits measuring.
3. The 5G multiflow UE test shielding box according to claim 1, wherein: 5G high frequency antenna (9) are including slider (91), connecting block (92), turning block (93) and horn antenna (94), connecting block (92) one end is connected in slider (91), turning block (93) articulate at the connecting block (92) other end, horn antenna (94) opening vertical hinge down on turning block (93).
4. The 5G multiflow UE test shielding box according to claim 3, wherein: the rotation angle of the horn antenna (94) in the vertical direction is between 0 and 30 degrees.
5. The 5G multiflow UE test shielding box according to claim 1, wherein: the 5G low-frequency antenna (10) comprises a sliding piece (101) and a dual-polarized antenna (102), wherein the dual-polarized antenna (102) is hinged to the bottom of one side of the sliding piece (101), the dual-polarized antenna (102) comprises a first antenna piece (5321) and a second antenna piece (5322) which are arranged in a cross mode, and grooves (5323) are formed in the first antenna piece (5321) and the second antenna piece (5322) side by side.
6. The 5G multiflow UE test shielding box according to claim 5, wherein: the middle of the second antenna sheet (5322) is provided with a vertical slot (5324), and the first antenna sheet (5321) and the second antenna sheet (5322) are both provided with hook grooves (5325).
7. The 5G multiflow UE test shielding box according to claim 3, wherein: and a channel (121) with the same width as the connecting plate is arranged on the radiation plate (12) below the 5G high-frequency antenna (9).
8. The 5G multiflow UE test shielding box according to claim 1, wherein: the inner wall of the box body (1) is provided with a layer of protruding spike layer (16) with a sharp corner facing the inside of the box, and the protruding spike layer (16) is made of a pyramid wave-absorbing material.
9. The 5G multiflow UE test shielding box according to claim 1, wherein: still be equipped with fresh air inlet and exhaust vent on box (1) a side, the fresh air inlet outside and the outside of exhaust vent all are equipped with ventilation waveguide window (13), fresh air inlet inboard and air outlet inboard all are equipped with fan (14).
10. The 5G multiflow UE test shielding box according to claim 2, wherein: the through-hole has been seted up on bottom plummer (62) in standing groove (64), be equipped with data connection picture peg (63) on the bottom surface in box (1), be equipped with the USB interface the same with standing groove (64) number on data connection picture peg (63), be equipped with the data transmission line that passes corresponding through-hole and be connected with the equipment that awaits measuring on the USB interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195932.8A CN112533463B (en) | 2020-10-30 | 2020-10-30 | 5G multithread UE test shielded cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195932.8A CN112533463B (en) | 2020-10-30 | 2020-10-30 | 5G multithread UE test shielded cell |
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| CN112533463A CN112533463A (en) | 2021-03-19 |
| CN112533463B true CN112533463B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011195932.8A Active CN112533463B (en) | 2020-10-30 | 2020-10-30 | 5G multithread UE test shielded cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113295934B (en) * | 2021-05-28 | 2023-04-28 | 中国信息通信研究院 | Device for signal testing |
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| CN108761154A (en) * | 2018-05-18 | 2018-11-06 | 深圳市艾特讯科技有限公司 | Shielded box |
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| CN210578579U (en) * | 2019-12-30 | 2020-05-19 | 东莞市钲晟电子科技有限公司 | Multi-antenna automatic test shielding box |
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| JPH11266211A (en) * | 1998-03-17 | 1999-09-28 | Kokusai Electric Co Ltd | Electromagnetic field environment characteristic evaluation system for radio terminal equipment |
| CN204129077U (en) * | 2014-09-23 | 2015-01-28 | 湖北三江航天险峰电子信息有限公司 | A kind of microwave test camera bellows |
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| CN112533463A (en) | 2021-03-19 |
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