CN222547489U - A multi-probe OTA test black box - Google Patents
A multi-probe OTA test black box Download PDFInfo
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- CN222547489U CN222547489U CN202421152869.3U CN202421152869U CN222547489U CN 222547489 U CN222547489 U CN 222547489U CN 202421152869 U CN202421152869 U CN 202421152869U CN 222547489 U CN222547489 U CN 222547489U
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- 238000005516 engineering process Methods 0.000 description 3
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Abstract
The utility model provides a multi-probe OTA test camera bellows, belongs to the technical field of communication test, and solves the problems that a worker is required to manually rotate a knob to adjust the distance between a test probe and an object to be tested, the distance between each probe and the object to be tested cannot be ensured to be consistent, and the detection effect is affected. The multi-probe OTA testing camera bellows comprises a shell, a probe and a base, wherein the shell is fixed on the base, a plurality of sliding ports are formed in the inner wall of the shell, hollow blocks are connected to the sliding ports in a sliding mode, sliding strips are connected to the hollow blocks in a sliding mode, a driving mechanism is arranged between the sliding strips and the hollow blocks, the probe is connected to the sliding strips in a rotating mode, and an adjusting mechanism is arranged between the sliding strips and the probe. The utility model has the advantages that the distance between each probe and the object to be measured is kept consistent without manually adjusting the distance between the test probe and the object to be measured by a worker.
Description
Technical Field
The utility model belongs to the technical field of communication test, and relates to a multi-probe OTA test camera bellows, in particular to a multi-probe OTA test camera bellows.
Background
Currently, a single input single output technology of a multi-probe method has become a key technology in the wireless communication field, and through the continuous development in recent years, SISO technology is increasingly applied to a wireless communication system. SISO adopts a system architecture with single-channel input and single-channel output. There is an increasing concern in testing the radio frequency performance of wireless terminals in the current testing of the radiation performance of the whole machine, which reflects the final transmitting and receiving performance of the wireless terminal. At present, the method is mainly examined by two methods, namely, judging from the radiation performance of an antenna, namely, a more traditional antenna test method is called passive test, and testing the radiation power and the receiving sensitivity of a wireless terminal in a specific microwave dark room is called active test.
Through searching, for example, chinese patent literature discloses a universal OTA test camera bellows (application number: 202220308067.1; publication number: CN 217506000U). This kind of general OTA test camera bellows relates to a communication test technical field, including installing frame, test probe and base, installing frame sets up regular polygon to the multiunit base is installed to installing frame's bottom, wherein be provided with multiunit test probe on installing frame's the frame inner wall, test probe passes through installing mechanism and installs on installing frame's inner wall, drive the pivot through the knob and rotate, drive the lead screw through driving bevel gear and driven bevel gear and rotate when the pivot rotates, the lead screw drives the slider and carries out horizontal slip, thereby drive the mounting panel through the connecting rod and carry out vertical movement, adjust the distance between test probe and the article that awaits measuring, the recess has been seted up to the bottom of base simultaneously, be connected with the universal wheel through the pneumatic cylinder in the recess, the pneumatic cylinder stretches out the bottom of universal wheel follow the recess, can thrust unit removes, and buffer the vibrations that produce through connecting spring, test probe's stability has been guaranteed.
The connecting frame and the connecting spring disclosed in the patent are used for adjusting the distance between the test probes and the object to be tested, meanwhile, the bottom of the base is provided with a groove, the groove is internally provided with a universal wheel through a hydraulic cylinder, the hydraulic cylinder stretches out of the bottom of the groove, the universal wheel can be pushed to move, the generated vibration is buffered through the connecting spring, the stability of the test probes is guaranteed, but a worker is required to manually rotate a knob to adjust the distance between the test probes and the object to be tested, the distance between each probe and the object to be tested cannot be ensured to be consistent, and the detection effect is influenced.
Disclosure of utility model
The utility model aims at solving the problems in the prior art and provides a multi-probe OTA test camera bellows, which aims at solving the technical problems that how to realize that the distance between a test probe and an object to be tested is not required to be manually adjusted by a worker, so that the distance between each probe and the object to be tested is kept consistent.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a test camera bellows of multi-probe OTA, includes shell, probe and base, be fixed with the shell on the base, a plurality of sliding openings have been seted up to the shell inner wall, sliding connection has the hollow block on the sliding opening, sliding connection has the draw runner in the hollow block, be provided with actuating mechanism between draw runner and the hollow block, it is connected with the probe to rotate on the draw runner, be provided with adjustment mechanism between draw runner and the probe.
The utility model has the working principle that an object to be tested is placed in a test camera bellows, a driving mechanism is started according to the distance between a probe and the object to be tested, and a sliding bar is driven to move back and forth in a hollow block, so that the distance between the probe and the object to be tested is adjusted, the distance between each probe and the object to be tested is kept consistent, manual operation and adjustment by a worker are not needed, and then the angle of the probe is adjusted through an adjusting mechanism according to the height of the object to be tested.
The shell is provided with a mounting groove, the mounting groove is communicated with the sliding port, two circular grooves are formed in the mounting groove, a first motor is fixed in the circular grooves, a screw rod is fixed at the output shaft end of the first motor, a connecting frame is connected to the screw rod in a threaded mode, and the connecting frame is fixedly connected with the hollow block.
By adopting the structure, the lead screw and the connecting frame are installed, the first starting motor drives the lead screw to rotate, the connecting frame on the lead screw drives the hollow block to move up and down, and the height of the probe on the slide bar is adjusted according to the requirement.
The driving mechanism comprises a mounting plate fixed at the front end of the hollow block, a motor II is fixed on the mounting plate, a gear is fixed at the output shaft end of the motor II, a strip opening is formed in the hollow block, a rack extending out of the strip opening is fixed on the sliding strip, and the gear is connected with the rack in a meshed mode.
By adopting the structure, through installing the gear and the rack, the motor II is started, the gear is driven to rotate, the gear drives the slide bar on the rack to move back and forth in the hollow block, the distance between the probe and the object to be detected is adjusted according to the requirement, manual operation of a worker is not needed, and the distance between each probe and the object to be detected is kept consistent.
The adjusting mechanism comprises a notch formed in the front end of the slide bar, an electric telescopic rod is hinged in the notch, a fixing column is fixedly arranged in the notch, a fixing rod is connected to the fixing column in a rotating mode, the rear end of the fixing rod is hinged to the telescopic end of the electric telescopic rod, and the front end of the fixing rod is fixedly connected with the probe.
By adopting the structure, through installing dead lever and electric telescopic handle, start electric telescopic handle, when electric telescopic handle's flexible end drives the rear end of dead lever and upwards moves, the front end of dead lever drives the probe and moves down, and when electric telescopic handle's flexible end drives the rear end of dead lever and moves down, the front end of dead lever drives the probe and upwards moves to realize according to the size height of object, adjust the angle of probe, make the detection more accurate.
The included angles between the probes are 45 degrees.
By adopting the structure, the included angles between the probes are 45 degrees, so that uniform detection of each angle of the object to be detected is realized.
Compared with the prior art, the test camera bellows of the multi-probe OTA has the following advantages:
1. The object to be tested is placed in the test camera bellows, the driving mechanism is started according to the distance between the actually required probe and the object to be tested, and the slide bar is driven to move back and forth in the hollow block, so that the distance between the probe and the object to be tested is adjusted, the distance between each probe and the object to be tested is kept consistent, manual operation and adjustment by a worker are not needed, and then the angle of the probe is adjusted through the adjusting mechanism according to the height of the object to be tested.
2. Through installing gear and rack, starter motor two, drive gear rotates, and the draw runner on the gear drive rack is back and forth movement in the hollow piece, has realized adjusting the distance between probe and the article that awaits measuring as required to do not need the manual operation of staff, make the distance between every probe and the article that awaits measuring keep unanimous.
3. Through installation dead lever and electric telescopic handle, start electric telescopic handle, when electric telescopic handle's flexible end drives the rear end of dead lever and upwards moves, the front end of dead lever drives the probe and moves down, and when electric telescopic handle's flexible end drives the rear end of dead lever and moves down, the front end of dead lever drives the probe and upwards moves to the realization is according to the size height of object, adjusts the angle of probe, makes the detection more accurate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic structural view of a connection frame in the present utility model.
Fig. 4 is a cross-sectional view of a slider and a hollow block according to the present utility model.
In the figure, 1, a shell, 2, a probe, 3, a base, 4, a sliding port, 5, a hollow block, 6, a sliding bar, 7, a mounting groove, 8, a motor I, 9, a lead screw, 10, a connecting frame, 11, a mounting plate, 12, a motor II, 13, a gear, 14, a long-strip port, 15, a rack, 16, a notch, 17, an electric telescopic rod, 18, a fixing column, 19 and a fixing rod.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-4, the test camera bellows of the multi-probe 2OTA comprises a shell 1, a probe 2 and a base 3, wherein the shell 1 is fixed on the base 3, a plurality of sliding ports 4 are formed in the inner wall of the shell 1, a hollow block 5 is slidably connected to the sliding ports 4, a sliding strip 6 is slidably connected to the hollow block 5, a driving mechanism is arranged between the sliding strip 6 and the hollow block 5, the probe 2 is rotatably connected to the sliding strip 6, and an adjusting mechanism is arranged between the sliding strip 6 and the probe 2.
The object to be tested is placed in the test camera bellows, the driving mechanism is started according to the distance between the probe 2 and the object to be tested which are actually needed, the sliding bar 6 is driven to move back and forth in the hollow block 5, the distance between the probe 2 and the object to be tested is adjusted, the distance between each probe 2 and the object to be tested is kept consistent, manual operation and adjustment by a worker are not needed, and then the angle of the probe 2 is adjusted through the adjusting mechanism according to the height of the object to be tested.
The shell 1 is provided with a mounting groove 7, the mounting groove 7 is communicated with the sliding port 4, two circular grooves are formed in the mounting groove 7, a motor I8 is fixed in the circular grooves, a screw rod 9 is fixed at the output shaft end of the motor I8, a connecting frame 10 is connected to the screw rod 9 in a threaded manner, and the connecting frame 10 is fixedly connected with the hollow block 5.
By adopting the structure, the first starting motor 8 drives the screw rod 9 to rotate through the installation of the screw rod 9 and the connecting frame 10, and the connecting frame 10 on the screw rod 9 drives the hollow block 5 to move up and down, so that the height of the probe 2 on the slide bar 6 is adjusted according to the requirement.
The driving mechanism comprises a mounting plate 11 fixed at the front end of the hollow block 5, a motor II 12 is fixed on the mounting plate 11, a gear 13 is fixed at the output shaft end of the motor II 12, a strip opening 14 is formed in the hollow block 5, a rack 15 extending out of the strip opening 14 is fixed on the sliding strip 6, and the gear 13 is in meshed connection with the rack 15.
By adopting the structure, through the installation of the gear 13 and the rack 15, the motor II 12 is started, the driving gear 13 rotates, the gear 13 drives the slide bar 6 on the rack 15 to move back and forth in the hollow block 5, the distance between the probe 2 and the object to be detected is adjusted according to the needs, manual operation of a worker is not needed, and the distance between each probe 2 and the object to be detected is kept consistent.
The adjusting mechanism comprises a notch 16 formed in the front end of the slide bar 6, an electric telescopic rod 17 is hinged in the notch 16, a fixed column 18 is fixed in the notch 16, a fixed rod 19 is connected to the fixed column 18 in a rotating mode, the rear end of the fixed rod 19 is hinged to the telescopic end of the electric telescopic rod 17, and the front end of the fixed rod 19 is fixedly connected with the probe 2.
By adopting the structure, through installing dead lever 19 and electric telescopic handle 17, start electric telescopic handle 17, when electric telescopic handle 17's flexible end drives the rear end of dead lever 19 and upwards moves, the front end of dead lever 19 drives probe 2 and moves down, and when electric telescopic handle 17's flexible end drives the rear end of dead lever 19 and moves down, the front end of dead lever 19 drives probe 2 and upwards moves to realize according to the size height of object, adjust the angle of probe 2, make the detection more accurate.
The included angle between two adjacent hollow blocks 5 is 45 degrees.
By adopting the structure, the angle between two adjacent hollow blocks 5 is 45 degrees, so that uniform detection of each angle of the object to be detected is realized.
The working principle of the utility model is that an object to be tested is placed in a test camera bellows, according to the distance between a probe 2 and the object to be tested which is actually required, a motor II 12 is started, a driving gear 13 rotates, a gear 13 drives a slide bar 6 on a rack 15 to move back and forth in a hollow block 5, then according to the height of the object to be tested, a motor I8 is started to drive a lead screw 9 to rotate, a connecting frame 10 on the lead screw 9 drives the hollow block 5 to move up and down, the height of a probe 2 on the slide bar 6 is adjusted according to the requirement, an electric telescopic rod 17 is started, when the telescopic end of the electric telescopic rod 17 drives the rear end of a fixed rod 19 to move up, the front end of the fixed rod 19 drives the probe 2 to move down, and when the telescopic end of the electric telescopic rod 17 drives the rear end of the fixed rod 19 to move down, the front end of the fixed rod 19 drives the probe 2 to move up, so that the angle of the probe 2 is adjusted.
In conclusion, the function of keeping the distance between each probe and the object to be tested consistent without manually adjusting the distance between the test probe and the object to be tested by a worker is realized through the driving mechanism.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. The utility model provides a test camera bellows of multi-probe OTA, includes shell (1), probe (2) and base (3), its characterized in that, be fixed with shell (1) on base (3), a plurality of sliding openings (4) have been seted up to shell (1) inner wall, sliding connection has hollow piece (5) on sliding opening (4), sliding connection has draw runner (6) in hollow piece (5), be provided with actuating mechanism between draw runner (6) and hollow piece (5), it is connected with probe (2) to rotate on draw runner (6), be provided with adjustment mechanism between draw runner (6) and the probe.
2. The multi-probe OTA test camera bellows according to claim 1, wherein the housing (1) is provided with a mounting groove (7), the mounting groove (7) is communicated with the sliding port (4), two circular grooves are formed in the mounting groove (7), a motor I (8) is fixed in the circular grooves, a screw rod (9) is fixed at the output shaft end of the motor I (8), a connecting frame (10) is connected to the screw rod (9) in a threaded manner, and the connecting frame (10) is fixedly connected with the hollow block (5).
3. The multi-probe OTA test camera bellows according to claim 1, wherein the driving mechanism comprises a mounting plate (11) fixed at the front end of the hollow block (5), a motor II (12) is fixed on the mounting plate (11), a gear (13) is fixed at the output shaft end of the motor II (12), a strip opening (14) is formed in the hollow block (5), a rack (15) extending out of the strip opening (14) is fixed on the sliding bar (6), and the gear (13) is connected with the rack (15) in a meshed mode.
4. The multi-probe OTA test camera bellows according to claim 1, wherein the adjusting mechanism comprises a notch (16) formed in the front end of the slide bar (6), an electric telescopic rod (17) is hinged in the notch (16), a fixing column (18) is fixed in the notch (16), a fixing rod (19) is connected to the fixing column (18) in a rotating mode, the rear end of the fixing rod (19) is hinged to the telescopic end of the electric telescopic rod (17), and the front end of the fixing rod (19) is fixedly connected with the probe (2).
5. A multi-probe OTA test camera bellows according to claim 1 wherein the angle between two adjacent hollow blocks (5) is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421152869.3U CN222547489U (en) | 2024-05-24 | 2024-05-24 | A multi-probe OTA test black box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421152869.3U CN222547489U (en) | 2024-05-24 | 2024-05-24 | A multi-probe OTA test black box |
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| Publication Number | Publication Date |
|---|---|
| CN222547489U true CN222547489U (en) | 2025-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421152869.3U Active CN222547489U (en) | 2024-05-24 | 2024-05-24 | A multi-probe OTA test black box |
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| CN (1) | CN222547489U (en) |
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2024
- 2024-05-24 CN CN202421152869.3U patent/CN222547489U/en active Active
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