CN218243849U

CN218243849U - Radio frequency test equipment

Info

Publication number: CN218243849U
Application number: CN202222135179.4U
Authority: CN
Inventors: 龚尚坤
Original assignee: Shenzhen Qiantang Technology Co ltd
Current assignee: Shenzhen Qiantang Technology Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-01-06
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to the technical field of UWB radio frequency test, in particular to a radio frequency test device, which comprises a device base, wherein a shielding box body is arranged at the top end of the device base, and a control panel is fixed at one side of the top of the shielding box body; the drawer is arranged on one side of the bottom of the shielding box body, a self-testing clamp assembly is arranged on the surface of the drawer, and five groups of single-polarized antenna assemblies are arranged inside the shielding box body. The utility model replaces the manual detection antenna by the shielding box body and the automatic test fixture component, thereby solving the problems of fuzzy judgment standard and lower efficiency caused by manual operation; meanwhile, the full-system communication mode between 900Mhz and 13Ghz can be supported, near-field and far-field tests of the antenna of a communication product can also be supported, and the consistency and radio frequency performance tests of the antenna are realized; the angle and the distance can be simulated more accurately; meanwhile, the positioning precision of the test equipment is high, the real-time positioning speed is high, and the reliability and the safety are high.

Description

Radio frequency test equipment

Technical Field

The utility model relates to a UWB radio frequency test technical field specifically is a radio frequency test equipment.

Background

UWB and MMW are carrier-free communication technologies, data are transmitted by using non-sine wave narrow pulses in the nanosecond-microsecond range, the technology is called as a revolutionary progress in the radio field, and the technology is considered to be a mainstream technology of short-distance wireless communication in the future.

The test equipment on the market is various nowadays, can satisfy people's user demand basically, but still has certain problem, and specific problem has following several: firstly, most of the traditional tests are manual antenna detection, and the problems of fuzzy judgment standard and low efficiency caused by manual operation cannot be solved; secondly, the traditional test can not support a full-standard communication mode between 900Mhz and 13Ghz, can not support near-field and far-field tests of the antenna of a communication product, and is difficult to realize the test of the consistency and the radio frequency performance of the antenna; and thirdly, the positioning precision of the testing equipment is poor, the real-time positioning speed is not ideal, and the high reliability and the high safety are difficult to realize.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radio frequency test equipment to can't solve the manual work operation and the problem of the judgement standard fuzziness, inefficiency that brings when proposing the test in solving above-mentioned background art, can't support full standard communication mode between 900Mhz-13Ghz, and the relatively poor problem of positioning accuracy.

In order to achieve the above object, the utility model provides a following technical scheme: a radio frequency test device comprises a device base, wherein a shielding box body is arranged at the top end of the device base, and a control panel is fixed on one side of the top of the shielding box body; a communication port is arranged on one side of the surface of the shielding box body, an SMA port is fixed on the surface of the shielding box body on one side of the communication port, and an electrical port is arranged on the surface of the bottom of the shielding box body; a drawer is arranged on one side of the bottom of the shielding box body, push-pull air cylinders are arranged on two sides of the surface of the drawer, one end of each push-pull air cylinder is fixedly connected with the surface of the shielding box body, and the input end of each push-pull air cylinder is electrically connected with the output end of the control panel; the surface of the drawer is provided with a self-testing clamp assembly, and a product piece is placed on the surface of the self-testing clamp assembly; five groups of single-polarization antenna assemblies are arranged in the shielding box body.

Preferably, the both sides on shielding box surface all are provided with the equipment side door, and the shielding box surface of equipment side door below is provided with the access hole.

Preferably, the single-polarization antenna assembly is composed of a transverse sliding groove, a transverse sliding frame, an oblique sliding frame, a locking bolt and a measuring antenna, wherein each surface of the shielding box body is provided with two groups of transverse sliding grooves, the surface of each transverse sliding groove is connected with the corresponding transverse sliding frame in a sliding mode, and the transverse sliding frames are fastened and connected with the surface of the shielding box body through the locking bolt in a threaded mode.

Preferably, the bottom end of the transverse sliding frame is rotatably connected with an oblique sliding frame, the oblique sliding frame and the transverse sliding frame are fastened with each other through screws, and a measuring antenna is further mounted on the surface of the oblique sliding frame.

Preferably, from test fixture assembly by press from both sides tight bearing seat, prop up the piece, move and carry cylinder, product bearing seat, general dog and USB communication interface and constitute, install on the inside wall of drawer and press from both sides tight bearing seat, and the bottom that presss from both sides tight bearing seat is fixed with through propping up the piece and moves and carry the cylinder to move the input that carries the cylinder and control panel's output electric connection.

Preferably, the surface of the clamping bearing seat is connected with a product bearing seat in a sliding manner, the bottom of the product bearing seat is fixedly connected with the output end of the transfer cylinder, the surface of the product bearing seat is fixedly connected with a universal stop dog through a bolt, the product piece is placed on the surface of the product bearing seat, and the product bearing seat is attached to the surface of the product piece; the surface of the product bearing seat is also provided with a USB communication interface, and the USB communication interface is connected with the product piece.

Compared with the prior art, the beneficial effects of the utility model are that: the radio frequency test equipment replaces a manual detection antenna through the shielding box body and the self-testing clamp assembly, and solves the problems of fuzzy judgment standard and low efficiency caused by manual operation; the antenna can support a 900Mhz-13Ghz all-standard communication mode, can also support near-field and far-field tests of the antenna of a communication product, and realizes the consistency and radio frequency performance tests of the antenna; the angle and the distance can be simulated more accurately; meanwhile, through the standardized shielding design of the shielding box body and the carrying of the anti-pinch function, the automatic test fixture automatically enters and exits through the cylinder, the manipulator picking and placing products are compatible, and a stable RF test environment is provided for the terminal; meanwhile, the test equipment has high positioning precision, high real-time positioning speed, high reliability and high safety.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional front view structure of the present invention;

fig. 2 is an enlarged schematic view of a single-polarized antenna assembly according to the present invention;

FIG. 3 is a schematic view of a partially enlarged structure of the shielding box of the present invention;

FIG. 4 is an enlarged schematic view of the self-test fixture assembly of the present invention;

fig. 5 is a schematic view of the local structure of the detection status of the present invention.

In the figure: 1. an equipment base; 2. a shielding box body; 21. an equipment side door; 22. an access panel; 3. a control panel; 4. a drawer; 41. a push-pull cylinder; 5. a single-polarized antenna assembly; 51. a transverse chute; 52. a transverse carriage; 53. a diagonal carriage; 54. locking the bolt; 55. a measurement antenna; 6. a self-test fixture assembly; 61. clamping the bearing seat; 62. supporting a block; 63. a transferring cylinder; 64. a product bearing seat; 65. a universal stopper; 66. a USB communication interface; 7. and (5) a product piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and furthermore, the terms "first", "second", "third", "upper, lower, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Also, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; can be directly connected with each other, also can be indirectly connected with each other through the intermediary, based on the embodiment in the utility model, all other embodiments that ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

The structure of the radio frequency testing equipment provided by the utility model is shown in figure 1, which comprises an equipment base 1, a shielding box body 2 is arranged at the top end of the equipment base 1, equipment side doors 21 are arranged on both sides of the surface of the shielding box body 2, an access window 22 is arranged on the surface of the shielding box body 2 below the equipment side doors 21, and a control panel 3 is fixed on one side of the top of the shielding box body 2; one side of shielding box 2 bottom is provided with drawer 4, and the push-and-pull cylinder 41 is all installed to the both sides on drawer 4 surface, and the one end of push-and-pull cylinder 41 is connected with shielding box 2's fixed surface to the input of push-and-pull cylinder 41 and control panel 3's output electric connection.

Furthermore, the radio frequency test equipment replaces a manual detection antenna by arranging the shielding box body 2 and the self-test clamp assembly 6, and solves the problems of fuzzy judgment standard and low efficiency caused by manual operation; meanwhile, a full-standard communication mode between 900Mhz and 13Ghz can be supported, near-field and far-field tests of the antenna of a communication product can be supported, and the consistency and radio frequency performance tests of the antenna are realized; the radio frequency testing equipment can accurately measure the Time (TOF) required by UWB and MMW signals transmitted from a transmitter to a receiver, can calculate the distance between two terminals, and can calculate the angle of arrival (AOA) by measuring the time or phase difference received by two UWB receiving antennas, thereby simulating more accurate angle and distance; meanwhile, the radio frequency test equipment has the advantages that the radio frequency test equipment is designed through the standardized shielding of the shielding box body 2 and carries the anti-pinch function, the self-test clamp assembly 6 automatically enters and exits through the push-pull cylinder 41, the manipulator picking and placing products are compatible, and a stable radio frequency test environment is provided for the terminal.

Further, as shown in fig. 3 and 4, a self-test fixture assembly 6 is disposed on a surface of the drawer 4, and a product 7 is placed on a surface of the self-test fixture assembly 6, the self-test fixture assembly 6 is composed of a clamping bearing seat 61, a supporting block 62, a transfer cylinder 63, a product bearing seat 64, a universal stopper 65, and a USB communication interface 66, the clamping bearing seat 61 is mounted on an inner side wall of the drawer 4, a transfer cylinder 63 is fixed to a bottom of the clamping bearing seat 61 through the supporting block 62, an input end of the transfer cylinder 63 is electrically connected to an output end of the control panel 3, a product bearing seat 64 is slidably connected to a surface of the clamping bearing seat 61, a bottom of the product bearing seat 64 is fixedly connected to an output end of the transfer cylinder 63, the universal stopper 65 is fixedly connected to a surface of the product bearing seat 64 through a bolt, the product 7 is placed on a surface of the product bearing seat 64, and the product bearing seat 64 is attached to a surface of the product 7; the surface of the product bearing seat 64 is further provided with a USB communication interface 66, and the USB communication interface 66 is connected with the product piece 7.

When the detection device is implemented, the control panel 3 is operated to control the push-pull air cylinder 41 to work, the push-pull air cylinder 41 drives the drawer 4 to slide out, then the product piece 7 to be detected is placed on the surface of the product bearing seat 64, the product piece 7 is blocked by the universal block 65, and then the product bearing seat 64 is pushed to slide by the transfer air cylinder 63 on the surface of the support block 62, so that the position of the product piece 7 is adjusted.

Further, as shown in fig. 2 and 5, five groups of single-polarized antenna assemblies 5 are disposed inside the shielding box 2, each single-polarized antenna assembly 5 is composed of a transverse sliding slot 51, a transverse carriage 52, an oblique carriage 53, a locking bolt 54 and a measuring antenna 55, each surface of the shielding box 2 is provided with two groups of transverse sliding slots 51, the surface of each transverse sliding slot 51 is slidably connected with the corresponding transverse carriage 52, the transverse carriage 52 is in threaded fastening connection with the surface of the shielding box 2 through the corresponding locking bolt 54, the bottom end of the transverse carriage 52 is rotatably connected with the corresponding oblique carriage 53, the oblique carriage 53 and the transverse carriage 52 are fastened to each other through a screw, and the measuring antenna 55 is further mounted on the surface of the oblique carriage 53.

In practice, the single-polarization antenna assembly 5 adjusts the measurement position, and when the single-polarization antenna assembly 5 is implemented, the transverse sliding frame 52 slides to move along the transverse sliding groove 51, and is fixed by the locking bolt 54 after moving, and then is fixed by rotating the screw after adjusting the oblique sliding frame 53 to a proper position, so as to adjust the position of the measurement antenna 55, and therefore the test equipment can detect the product pieces 7 with different sizes.

The working principle is as follows: during the use, at first operating control panel 3, making its control push-and-pull cylinder 41 work, push-and-pull cylinder 41 drives drawer 4 roll-off, will wait to detect product piece 7 and place on the surface of product bearing seat 64 afterwards, block product piece 7 through general dog 65, promote product bearing seat 64 through the year cylinder 63 that moves on a piece 62 surface afterwards and slide to adjust the position of product piece 7.

Then the single-polarization antenna assembly 5 is used for adjusting the measurement position, when the single-polarization antenna assembly 5 is implemented, the transverse sliding frame 52 slides to move along the transverse sliding groove 51, the single-polarization antenna assembly is fixed through the locking bolt 54 after moving, and then the oblique sliding frame 53 is adjusted to a proper position and then fixed through rotating screws to adjust the position of the measurement antenna 55, so that the test equipment can detect the product pieces 7 with different sizes, the use range of the test equipment is expanded, and finally the use work of the test equipment is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a radio frequency test equipment, includes equipment pedestal (1), its characterized in that: the top end of the equipment base body (1) is provided with a shielding box body (2), and one side of the top of the shielding box body (2) is fixed with a control panel (3); a drawer (4) is arranged on one side of the bottom of the shielding box body (2), push-pull air cylinders (41) are mounted on two sides of the surface of the drawer (4), one end of each push-pull air cylinder (41) is fixedly connected with the surface of the shielding box body (2), and the input ends of the push-pull air cylinders (41) are electrically connected with the output end of the control panel (3); the surface of the drawer (4) is provided with a self-testing clamp assembly (6), and a product piece (7) is placed on the surface of the self-testing clamp assembly (6); five groups of single-polarization antenna assemblies (5) are arranged in the shielding box body (2).

2. A radio frequency test device according to claim 1, wherein: the both sides on shielding box (2) surface all are provided with equipment side door (21), and shielding box (2) surface of equipment side door (21) below is provided with access panel (22).

3. A radio frequency test device according to claim 1, wherein: the single-polarization antenna assembly (5) is composed of a transverse sliding groove (51), a transverse sliding frame (52), an oblique sliding frame (53), a locking bolt (54) and a measuring antenna (55), wherein each surface of the shielding box body (2) is provided with two groups of transverse sliding grooves (51), the surface of each transverse sliding groove (51) is connected with the corresponding transverse sliding frame (52) in a sliding mode, and the transverse sliding frame (52) is in threaded fastening connection with the surface of the shielding box body (2) through the locking bolt (54).

4. A radio frequency test apparatus according to claim 3, wherein: the bottom end of the transverse sliding frame (52) is rotatably connected with an oblique sliding frame (53), the oblique sliding frame (53) and the transverse sliding frame (52) are fastened with each other through screws, and a measuring antenna (55) is further mounted on the surface of the oblique sliding frame (53).

5. A radio frequency test device according to claim 1, wherein: the self-testing fixture assembly (6) is composed of a clamping bearing seat (61), a supporting block (62), a transferring cylinder (63), a product bearing seat (64), a universal stop block (65) and a USB communication interface (66), wherein the clamping bearing seat (61) is installed on the inner side wall of the drawer (4), the transferring cylinder (63) is fixed to the bottom of the clamping bearing seat (61) through the supporting block (62), and the input end of the transferring cylinder (63) is electrically connected with the output end of the control panel (3).

6. A radio frequency test apparatus according to claim 5, wherein: the surface of the clamping bearing seat (61) is connected with a product bearing seat (64) in a sliding mode, the bottom of the product bearing seat (64) is fixedly connected with the output end of the transfer cylinder (63), the surface of the product bearing seat (64) is fixedly connected with a universal stop block (65) through a bolt, a product piece (7) is placed on the surface of the product bearing seat (64), and the product bearing seat (64) is attached to the surface of the product piece (7); the surface of the product bearing seat (64) is also provided with a USB communication interface (66), and the USB communication interface (66) is connected with the product piece (7).