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CN-224231810-U - Movable integrated multi-probe spherical near-field air interface test equipment easy to disassemble and assemble

CN224231810UCN 224231810 UCN224231810 UCN 224231810UCN-224231810-U

Abstract

The utility model relates to movable and easy-to-disassemble integrated multi-probe spherical near-field air interface test equipment, which adopts a split type rectangular shielding shell, wherein the shell consists of a front rectangular shell part, a middle rectangular shell part and a rear rectangular shell part, the edges of the openings of the parts are outwards protruded to form splicing openings, the split type multi-probe spherical near-field air interface test equipment is connected through external bolts, the installation difficulty is greatly reduced, the equipment is very convenient and flexible to assemble and can be quickly and easily assembled and disassembled, meanwhile, the split type structure enables the equipment to be disassembled into small and light parts, the transportation difficulty and the cost are effectively reduced, the transportation damage risk is reduced, the cavities of the second rectangular shell part are skillfully integrated with a multi-probe sampling ring, a rotary platform and an integrated test electric box, the layout is compact and reasonable, the external connection and wiring among parts are reduced, and faults such as line looseness and poor interface contact are avoided.

Inventors

  • TAO WEI

Assignees

  • 南方星链(深圳)测试系统有限公司

Dates

Publication Date
20260512
Application Date
20250427

Claims (10)

  1. 1. The movable and detachable integrated multi-probe spherical near-field air interface test device is characterized by comprising a detachable rectangular shielding shell, wherein the detachable rectangular shielding shell comprises a first rectangular shell part, a second rectangular shell part and a third rectangular shell part, wave absorbing rings formed by annular distribution of a plurality of wave absorbing materials are arranged in cavities of the first rectangular shell part and the third rectangular shell part, a multi-probe sampling ring and a rotary platform positioned at a ring center are arranged in the cavity of the second rectangular shell part, and an integrated test electric box is further arranged in the cavity of the second rectangular shell part; The front end opening edge of the first rectangular shell part, the front end opening edge of the second rectangular shell part and the front end opening edge of the third rectangular shell part are outwards protruded and provided with splicing ports, and when the three rectangular shell parts are spliced in sequence, the two wave absorbing rings are symmetrical to the front side and the rear side of the multi-probe sampling ring.
  2. 2. The movable and detachable integrated multi-probe spherical near-field air interface test device according to claim 1, wherein the splicing opening is uniformly provided with a plurality of bolt mounting holes, so that the first rectangular housing part, the second rectangular housing part and the third rectangular housing part are connected through bolts.
  3. 3. The movable and easy-to-disassemble integrated multi-probe spherical surface near-field air interface test equipment is characterized in that a through hole is formed in the lowest end of the multi-probe sampling ring, a rotating mechanism is arranged in the center of the bottom in the cavity of the second rectangular shell, and a supporting holding rod of the rotating mechanism is connected to the rotating platform at the ring center after passing through the through hole.
  4. 4. The removable integrated multi-probe spherical near-field air interface test device of claim 1, wherein the integrated test electronics box is located at a gap between the multi-probe sampling ring and the housing of the second rectangular housing portion.
  5. 5. The movable and detachable integrated multi-probe spherical near-field air interface testing device according to claim 1, wherein the bottom in the cavity of the first rectangular shell part and the bottom in the cavity of the third rectangular shell part are further paved with a plurality of wave absorbing materials.
  6. 6. The portable detachable integrated multi-probe spherical near-field air interface test device according to claim 1 or 5, wherein the wave absorbing materials of the first rectangular housing part and the third rectangular housing part are in a pointed cone shape, a circular ring support frame is installed in the cavities of the two rectangular housing parts, and the wave absorbing ring is installed on the circular ring support frame.
  7. 7. The movable and detachable integrated multi-probe spherical near-field air interface test device according to claim 1, wherein a high-conductivity spring opening type shielding door is mounted at the front end of the first rectangular housing part, and a closed back plate is arranged at the rear end of the third rectangular housing part.
  8. 8. The portable detachable integrated multi-probe spherical near-field air interface test device according to claim 7, wherein the high-conductivity spring opening type shielding door is provided with a handle and a pressure release valve rod on the outer wall surface and a plurality of frustum-shaped wave absorbing materials on the inner wall surface.
  9. 9. The movable and detachable integrated multi-probe spherical near-field air interface test equipment according to claim 1, wherein ventilation waveguide windows are arranged on two sides of the top of the third rectangular shell part, and each ventilation waveguide window is provided with a honeycomb hole ventilation opening and a cooling fan.
  10. 10. The movable and detachable integrated multi-probe spherical near-field air interface test device according to claim 1, wherein universal wheels are arranged at bottoms of the first rectangular shell part, the second rectangular shell part and the third rectangular shell part.

Description

Movable integrated multi-probe spherical near-field air interface test equipment easy to disassemble and assemble Technical Field The utility model relates to the field of spherical surface field antenna test equipment, in particular to movable and easy-to-disassemble integrated multi-probe spherical surface near field air interface test equipment. Background At the moment of rapid development of communication technology, the importance of the multi-probe spherical near-field air interface test equipment in the field of wireless communication product performance detection is increasing, the real wireless environment can be simulated, and key indexes such as radiation performance, signal quality and the like of various communication equipment are accurately tested. The existing multi-probe spherical surface near-field air interface test equipment has a plurality of defects, the assembly mode is extremely stiff from the structural design point of view, an integral or small-scale assembly spliced structure is generally adopted, the connection between all the components is complex and fixed, and flexible adjustment is difficult to carry out according to actual use scenes and transportation conditions. From the perspective of core component integration, the key components such as the multi-probe sampling ring, the rotary platform and the test electric box, which are seriously insufficient in the integration level of the current equipment, are mutually separated and are independently installed, so that a large amount of space is occupied, and the current equipment is required to be connected through a large number of circuits and interfaces. The problems necessarily result in overlong production and delivery periods of the equipment, and from the aspect of production links, the complex structural design and assembly flow lead to low production efficiency, and the fast requirements of the market on the equipment are difficult to meet, and in the aspect of delivery links, the difficulty of transportation and installation further prolongs the delivery time. In summary, the existing multi-probe spherical near-field air interface test equipment has problems in terms of assembly flexibility, core component integration level, production lead time and the like, and has become an important factor for restricting the development of the field. Disclosure of utility model The utility model provides movable and easy-to-assemble integrated multi-probe spherical near-field air interface test equipment, which aims to solve the problems of poor assembly flexibility, low integration level of core components, insufficient stability and difficult transportation of the conventional spherical-field antenna test equipment. The technical scheme of the utility model is as follows: The movable detachable integrated multi-probe spherical surface near-field air interface testing device comprises a detachable rectangular shielding shell, wherein the detachable rectangular shielding shell comprises a first rectangular shell part, a second rectangular shell part and a third rectangular shell part, a plurality of wave absorbing materials distributed in an annular mode are arranged in cavities of the first rectangular shell part and the third rectangular shell part to form wave absorbing rings, a multi-probe sampling ring and a rotary platform located at a ring center are arranged in the cavities of the second rectangular shell part, an integrated testing electric box is further arranged in the cavities of the second rectangular shell part, splicing interfaces are outwards arranged at the opening edges of the rear end of the first rectangular shell part, the opening edges of the front end and the rear end of the second rectangular shell part and the opening edges of the front end of the third rectangular shell part, and when the three rectangular shell parts are spliced in sequence through the splicing interfaces, the two wave absorbing rings are symmetrical to the front side and the rear side of the multi-probe sampling ring. As a preferable mode of the utility model, the splice opening is uniformly provided with a plurality of bolt mounting holes, so that the first rectangular housing part, the second rectangular housing part and the third rectangular housing part are connected through bolts. As a preferable mode of the utility model, the inner ring surface of the multi-probe sampling ring is provided with a plurality of cross-shaped sampling probes. As a preferable scheme of the utility model, the lowest end of the multi-probe sampling ring is provided with a through hole, the center of the bottom in the cavity of the second rectangular shell is provided with a rotating mechanism, and a supporting holding rod of the rotating mechanism is connected with the rotating platform at the ring center after passing through the through hole. Preferably, the material of the rotary platform is sponge. Preferably, the material of the supporting holding po