CN108152603B - Antenna radio frequency and impedance test fixture - Google Patents
Antenna radio frequency and impedance test fixture Download PDFInfo
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- CN108152603B CN108152603B CN201810062898.3A CN201810062898A CN108152603B CN 108152603 B CN108152603 B CN 108152603B CN 201810062898 A CN201810062898 A CN 201810062898A CN 108152603 B CN108152603 B CN 108152603B
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- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims description 48
- 239000000523 sample Substances 0.000 claims description 28
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
An antenna radio frequency and impedance test fixture comprises a fixing mechanism and a detection mechanism; the fixing mechanism comprises a first fixing piece and a second fixing piece, a first fixing groove is formed in the first fixing piece, a second fixing groove is formed in the second fixing piece, the first fixing groove is communicated with the second fixing groove, the first fixing groove is used for placing a connecting wire to be tested, and the second fixing groove is used for placing an antenna to be tested; the detection mechanism comprises a first detection component and a second detection component, wherein the first detection component is used for carrying out radio frequency test on the antenna, and the second detection component is used for detecting the impedance value of the antenna. The antenna radio frequency and impedance test fixture is provided with a first detection component for performing radio frequency test and a second detection component for performing impedance setting, so that the concept of integration of Radio Frequency (RF) and impedance test is realized, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of antenna testing, in particular to an antenna radio frequency and impedance testing jig.
Background
Along with the improvement of radio frequency technology, the manufacturing process of the mobile phone antenna is also upgraded into FPC, LDS and cable welding or FPC, LDS and SMT combining and the like. In the new process, the impedance of the welding end of the antenna and the connecting wire (cable) has a larger influence on the overall function of the antenna, and compared with the traditional antenna, the impedance test of the production end is more and more, and the required cost is higher and higher. The Radio Frequency (Radio Frequency) test and the impedance test are also the necessary tests of the antenna factory, and the antenna test scheme of the current antenna factory basically uses two sets of jigs to perform the RF test and the impedance test respectively, so that two operators are required to operate, the cost from equipment to manpower is high, and the production time is long.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: an antenna radio frequency and impedance test fixture capable of simultaneously completing radio frequency and impedance tests is provided.
In order to solve the technical problems, the invention adopts the following technical scheme:
An antenna radio frequency and impedance test fixture comprises a fixing mechanism and a detection mechanism;
The fixing mechanism comprises a first fixing piece and a second fixing piece, a first fixing groove is formed in the first fixing piece, a second fixing groove is formed in the second fixing piece, the first fixing groove is communicated with the second fixing groove, the first fixing groove is used for placing a connecting wire to be tested, and the second fixing groove is used for placing an antenna to be tested;
The detection mechanism comprises a first detection component and a second detection component, wherein the first detection component is used for carrying out radio frequency test on the antenna, and the second detection component is used for detecting the impedance value of the antenna.
The invention has the beneficial effects that:
(1) A first fixture for placing an antenna and a second fixture for placing a connection line (CABLE) are designed such that the fixture is suitable for an antenna welded with a connection line (CABLE).
(2) The first detection component for performing radio frequency test and the second detection component for performing impedance setting are arranged in one fixture, so that the concept of integration of Radio Frequency (RF) and impedance test is realized, and the production cost is reduced.
(3) The antenna and the connecting wire are placed in a fixed groove mode, so that the antenna and the connecting wire are convenient to take and easy to operate.
Drawings
Fig. 1 is a schematic diagram of the front structure of an antenna rf and impedance testing fixture according to an embodiment of the invention;
FIG. 2 is an isometric view of an antenna RF and impedance testing jig according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of the back of the antenna rf and impedance testing fixture according to an embodiment of the invention;
FIG. 4 is an enlarged schematic view of FIG. 2A;
FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 2;
Description of the reference numerals:
10. A fixing mechanism; 11. a first fixing member; 111. a first fixing groove; 12. a second fixing member; 121. a second fixing groove;
20. a detection mechanism; 21. a first detection assembly; 211. a support platform; 212. a support column; 213. a terminal head; 214. a first limiting block; 215. a second limiting block; 216. a first limit groove; 217. the second limit groove; 22. a second detection assembly; 221. a probe fixing member; 222. a probe;
30. A compressing mechanism; 31. a pressure head; 32. briquetting;
40. A driving mechanism; 41. a first drive assembly; 411. a first cylinder; 412. a cylinder bracket; 413. a linkage shaft; 414. a connecting rod; 415. a slide bar; 416. a support base; 417. a cylinder limiter; 42. a second drive assembly; 421. a second cylinder;
50. a test bench; 51. a test button; 52. a reset button.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: the RF test assembly and the impedance test assembly are integrated on one fixture, so that two tests are completed by one fixture.
Referring to fig. 1-5, an antenna radio frequency and impedance testing fixture includes a fixing mechanism 10 and a detecting mechanism 20;
The fixing mechanism 10 comprises a first fixing piece 11 and a second fixing piece 12, wherein a first fixing groove 111 is formed in the first fixing piece 11, a second fixing groove 121 is formed in the second fixing piece 12, the first fixing groove 111 is communicated with the second fixing groove 121, the first fixing groove 111 is used for placing a connecting wire to be tested, and the second fixing groove 121 is used for placing an antenna to be tested;
the detection mechanism 20 comprises a first detection component 21 and a second detection component 22, wherein the first detection component 21 is used for performing radio frequency test on the antenna, and the second detection component 22 is used for detecting the impedance value of the antenna.
The working principle of the invention is as follows: the antenna to be tested is placed in the first fixing groove 111, then the connecting wire welded on the antenna to be tested is placed in the second fixing groove 121, then the radio frequency test of the antenna is completed by the first detection component 21, and the impedance test of the antenna is completed by the second detection component 22.
From the above description, the beneficial effects of the invention are as follows:
(1) A first fixture for placing an antenna and a second fixture for placing a connection line (CABLE) are designed such that the fixture is suitable for an antenna welded with a connection line (CABLE).
(2) The first detection component for performing radio frequency test and the second detection component for performing impedance setting are arranged in one fixture, so that the concept of integration of Radio Frequency (RF) and impedance test is realized, and the production cost is reduced.
(3) The antenna and the connecting wire are placed in a fixed groove mode, so that the antenna and the connecting wire are convenient to take and easy to operate.
Further, the first fixing piece 11 and the second fixing piece 12 are respectively in a cuboid structure, the upper surface of the first fixing piece 11 is flush with the upper surface of the second fixing piece 12, and the first fixing piece 11 and the second fixing piece 12 are vertically arranged;
The first fixing groove 111 is formed on the upper surface of the first fixing member 11, extends along the long-side direction of the first fixing member 11 and penetrates through two ends of the first fixing member 11, and the second fixing groove 121 is formed on the upper surface of the second fixing member 12 and extends along the long-side direction of the second fixing member 12.
As can be seen from the above description, the antenna to be tested is placed in the second fixing groove 121, and the end welded with the connecting wire is directed to the first fixing groove 111, and the connecting wire is laid along the first fixing groove 111 in a long shape for subsequent detection. The operation is simple and convenient, and the bending of the connecting wire in the detection process is avoided.
Further, the number of the second fixing members 12 is four, the four second fixing members 12 are distributed along the long side of the first fixing member 11, and the four second fixing members 12 are respectively disposed at two sides of the first fixing member 11.
As can be seen from the above description, the four second fixing members 12 are respectively distributed along the long sides of the first fixing members 11, and an operator can place the antenna to be tested on any one of the four first fixing members 11, so that the fixture can meet the testing of four antennas with connecting lines of different lengths.
Further, the first detecting assembly 21 includes a supporting frame and a terminal head 213, and the supporting frame includes a supporting platform 211 and a supporting column 212;
The supporting platform 211 is provided with a through hole penetrating through the supporting platform 211, the through hole is arranged on the central axis of the second fixing groove 121, and the terminal head 213 is arranged on the lower surface of the supporting platform 211 and at the through hole;
The second detecting component 22 includes a probe fixing member 221 and a probe 222 disposed on the probe fixing member 221, the probe 222 extends into the second fixing groove 121, and the probe fixing member 221 is movably disposed along the long side of the first fixing member 11 in a direction approaching or separating from the second fixing groove 121.
As can be seen from the above description, during the test, one end of the connecting wire is placed at the through hole and extends to the terminal head 213, and the terminal head 213 is connected by using a predetermined Vector Network Analyzer (VNA), so as to perform the radio frequency test on the antenna to be tested; after the radio frequency test is completed, the probe fixing piece 221 is moved towards the direction close to the second fixing groove 121, so that the probe 222 is in contact with the antenna to be tested, the impedance values at the two ends of the antenna to be tested are measured by using a preset impedance meter, the size is judged, and after the test is completed, the probe fixing piece 221 is moved towards the direction far away from the second fixing groove 121, so that the probe 222 is separated from the antenna to be tested.
Further, a first limiting block 214 and a second limiting block 215 are arranged on the supporting platform 211, and the first limiting block 214 is arranged between the second limiting block 215 and the first fixing piece 11 in the horizontal direction;
the first limiting block 214 is provided with a first limiting groove 216, and the first limiting groove 216 and the first fixing groove 111 are coaxially arranged and penetrate through two ends of the first limiting block 214;
The second limiting block 215 is provided with a second limiting groove 217, the second limiting groove 217 is communicated with the upper surface of the limiting block and the through hole, one side, close to the first limiting block 214, of the second limiting block 215 is provided with an opening, and the opening is communicated with the second limiting groove 217.
As can be seen from the above description, one end of the connecting wire placed in the first fixing groove 111 sequentially passes through the first limiting groove 216 and then extends into the second limiting groove 217, and the first limiting groove 216 coaxially arranged with the first fixing groove 111 ensures that the connecting wire keeps straight and cannot be bent, so that the subsequent testing work is not affected.
Further, the device also comprises a pressing mechanism 30, wherein the pressing mechanism 30 comprises a pressing head 31 and at least two pressing blocks 32, the pressing head 31 is arranged above the through hole, and the pressing head 31 and the through hole are coaxially arranged and movably arranged in a direction approaching or separating from the through hole;
at least two pressing blocks 32 are respectively and correspondingly arranged above the second fixing groove 121 and can be movably arranged towards the direction approaching or separating from the second fixing groove 121.
As can be seen from the above description, when the ram 31 moves in the direction approaching the through hole, the ram can be pressed down to push one end of the connecting wire toward the terminal head 213 and compress the connecting wire, thereby completing the test; the pressing block 32 moves toward the second fixing groove 121 to press the antenna, preventing the antenna from being separated from the second fixing groove 121.
Further, a driving mechanism 40 is further included, and the driving mechanism 40 includes a first driving assembly 41 and a second driving assembly 42;
The first driving assembly 41 comprises a first air cylinder 411, an air cylinder bracket 412 and a linkage assembly, wherein the first air cylinder 411 is arranged on the air cylinder bracket 412, the linkage assembly is movably arranged on the air cylinder bracket 412, and at least two pressing blocks 32 are respectively connected with the linkage assembly;
The first cylinder 411 drives the pressure head 31 to move towards the direction approaching or separating from the through hole, and the first cylinder 411 drives the linkage assembly to drive the pressing block 32 to move towards the direction approaching or separating from the first fixing groove 111;
the second driving assembly 42 includes a second cylinder 421, and the second cylinder 421 drives the probe 222 and the fixture 221 to move.
As can be seen from the above description, the first cylinder 411 drives the ram 31 and the pressing block 32 to move simultaneously, so that the ram 31 and the pressing block 32 respectively and synchronously rise and fall, thereby simplifying the structure of the jig.
Further, the linkage assembly includes a linkage shaft 413, a connecting rod 414, a sliding rod 415, and at least two support seats 416, wherein the linkage shaft 413 is movably disposed on the cylinder bracket 412 through the support seats 416, and at least two pressing blocks 32 are respectively connected with the linkage shaft 413 through at least two support seats 416;
One end of the connecting rod 414 is connected with the upper surface of the pressing block 32, and the other end of the connecting rod 414 penetrates through the supporting seat 416 and is movably arranged along the axial direction of the connecting rod 414;
the sliding rod 415 is arranged on the supporting seat 416, the bottom end of the sliding rod 415 penetrates through the supporting seat 416 and extends between the supporting seat 416 and the pressing block 32, and the bottom end of the sliding rod 415 is provided with a cylinder limiter 417.
As can be seen from the above description, the first air cylinder 411 controls the movement of the linkage assembly, specifically, the first air cylinder 411 controls the movement of the supporting seat 416, so as to drive the linkage shaft 413 and the pressing block 32 to move, when the pressing block 32 moves to contact with the second fixing member 12, the supporting seat 416 continues to slide along the connecting rod 414 until the air cylinder limiter 417 on the sliding rod 415 contacts with the pressing block 32, and the first air cylinder 411 stops working.
Further, the test bench further comprises a test bench 50, wherein the fixing mechanism 10, the detecting mechanism 20 and the driving mechanism 40 are respectively arranged on the test bench 50, and a test button 51 and a reset button 52 are respectively arranged on one side surface of the test bench 50.
As can be seen from the above description, when the RF and impedance test of the product has NG signal output, the fixture will be automatically locked, and the reset key 52 needs to be pressed to perform the test again.
Referring to fig. 1-5, a first embodiment of the present invention is as follows:
An antenna radio frequency and impedance test fixture comprises a fixing mechanism 10, a detection mechanism 20, a pressing mechanism 30, a driving mechanism 40 and a test bench 50;
The fixing mechanism 10 comprises a first fixing piece 11 and four second fixing pieces 12, the four second fixing pieces 12 are distributed along the long side of the first fixing piece 11, the four second fixing pieces 12 are respectively arranged on two sides of the first fixing piece 11, the first fixing piece 11 and the second fixing piece 12 are respectively in a cuboid structure, the upper surface of the first fixing piece 11 is flush with the upper surface of the second fixing piece 12, and the first fixing piece 11 is vertically arranged with the second fixing piece 12; the first fixing piece 11 is provided with a first fixing groove 111, the second fixing piece 12 is provided with a second fixing groove 121, the first fixing groove 111 is communicated with the second fixing groove 121, the first fixing groove 111 is arranged on the upper surface of the first fixing piece 11, the first fixing groove extends along the long side direction of the first fixing piece 11 and penetrates through two ends of the first fixing piece 11, the second fixing groove 121 is arranged on the upper surface of the second fixing piece 12 and extends along the long side direction of the second fixing piece 12, the first fixing groove 111 is used for placing a connecting wire to be tested, and the second fixing groove 121 is used for placing an antenna to be tested;
when in use, the antenna to be measured can be respectively arranged on any one of the two second fixing pieces 12 on the two sides of the first fixing piece 11;
the detection mechanism 20 comprises a first detection component 21 and four second detection components 22, wherein the first detection component 21 is used for performing radio frequency test on the antenna, and the second detection component 22 is used for detecting the impedance value of the antenna.
The first detection assembly 21 comprises a support frame and a terminal head 213, wherein the support frame comprises a support platform 211 and a support column 212;
The supporting platform 211 is provided with a through hole penetrating through the supporting platform 211, the through hole is arranged on the central axis of the second fixing groove 121, and the terminal head 213 is arranged on the lower surface of the supporting platform 211 and at the through hole;
the supporting platform 211 is provided with a first limiting block 214 and a second limiting block 215, and the first limiting block 214 is arranged between the second limiting block 215 and the first fixing piece 11 in the horizontal direction;
The first limiting block 214 is provided with a first limiting groove 216, and the first limiting groove 216 and the first fixing groove 111 are coaxially arranged to penetrate through two ends of the first limiting block 214;
The second limiting block 215 is provided with a second limiting groove 217, the second limiting groove 217 is communicated with the upper surface of the limiting block and the through hole, one side of the second limiting block 215, which is close to the first limiting block 214, is provided with an opening, and the opening is communicated with the second limiting groove 217;
The second detecting component 22 includes a probe fixing member 221 and a probe 222 disposed on the probe fixing member 221, the probe 222 extends into the second fixing groove 121, and the probe fixing member 221 is movably disposed along the long side of the first fixing member 11 in a direction approaching or separating from the second fixing groove 121.
The pressing mechanism 30 comprises a pressing head 31 and two pressing blocks 32, the pressing head 31 and the through hole are coaxially arranged and are arranged above the through hole, the two pressing blocks 32 are respectively and correspondingly arranged above the second fixing groove 121, namely, two second fixing pieces 32 are arranged below one pressing block 32;
the drive mechanism 40 comprises a first drive assembly 41 and a second drive assembly 42;
the first driving assembly 41 comprises a first air cylinder 411, an air cylinder bracket 412 and a linkage assembly, wherein the first air cylinder 411 is arranged on the air cylinder bracket 412;
The linkage assembly comprises a linkage shaft 413, a connecting rod 414, a sliding rod 415 and two supporting seats 416, wherein the two supporting seats 416 are respectively connected with one surface of the linkage shaft 413, one supporting seat 416 is movably arranged on the air cylinder bracket 412 and is controlled by the first air cylinder 411, and the two pressing blocks 32 are respectively arranged at the bottoms of the two supporting seats 416;
One end of the connecting rod 414 is connected with the upper surface of the pressing block 32, and the other end of the connecting rod 414 penetrates through the supporting seat 416 and is movably arranged along the axial direction of the connecting rod 414;
the sliding rod 415 is arranged on the supporting seat 416, the bottom end of the sliding rod 415 penetrates through the supporting seat 416 and extends between the supporting seat 416 and the pressing block 32, and the bottom end of the sliding rod 415 is provided with a cylinder limiter 417;
The first cylinder 411 drives the pressure head 31 to move towards the direction approaching or separating from the through hole, and the first cylinder 411 drives the linkage assembly to drive the pressing block 32 to move towards the direction approaching or separating from the first fixing groove 111;
the second driving assembly 42 includes a second cylinder 421, and the second cylinder 421 drives the probe 222 and the fixture 221 to move.
The fixing mechanism 10, the detecting mechanism 20 and the driving mechanism 40 are respectively arranged on the test bench 50, and a test button 51 and a reset button 52 are respectively arranged on one side surface of the test bench 50.
When the antenna to be tested is operated, firstly, the antenna to be tested is placed in the second fixing groove 121, one end welded with the connecting wire faces the first fixing groove 111, the connecting wire is laid along the first fixing groove 111 in a long shape, during testing, one end of the connecting wire is placed at the through hole and extends to the terminal head 213, then, the first cylinder 411 is started, the first cylinder 411 simultaneously drives the pressing head 31 and the pressing block 32 to move so that the pressing head 31 and the pressing block 32 respectively ascend and descend synchronously, specifically, the first cylinder 411 controls the supporting seat 416 to move so as to drive the linkage shaft 413 and the pressing block 32 to move, when the pressing block 32 moves to be in contact with the second fixing piece 12, the supporting seat 416 continues to slide along the connecting rod 414 until the cylinder limiter 417 on the sliding rod 415 is in contact with the pressing block 32, and at the moment, the antenna to be tested and the connecting wire to be tested are pressed tightly.
Then, connecting the terminal head 213 by using a preset Vector Network Analyzer (VNA), thereby performing radio frequency test on the antenna to be tested; after the radio frequency test is completed, the second cylinder 421 is used for controlling the probe fixing piece 221 to move towards the direction close to the second fixing groove 121, so that the probe 222 is in contact with the antenna to be tested, the impedance values at two ends of the antenna to be tested are measured by using a preset impedance meter to judge the size, after the test is completed, the second cylinder 421 is used for controlling the probe fixing piece 221 to move towards the direction far away from the second fixing groove 121, so that the probe 222 is separated from the antenna to be tested, and when the product RF and the impedance test have NG signals to be output, the jig can be automatically locked, and the reset key 52 needs to be pressed, so that the test can be performed again.
In summary, the present invention provides an antenna radio frequency and impedance testing fixture capable of simultaneously completing radio frequency and impedance testing. The jig is provided with a first detection component for performing radio frequency test and a second detection component for performing impedance setting, so that the concept of integration of Radio Frequency (RF) and impedance test is realized, and the production cost is reduced; a first fixing piece for placing an antenna and a second fixing piece for placing a connecting wire (CABLE) are designed, so that the jig is suitable for the antenna welded with the connecting wire (CABLE); simultaneously, antenna and connecting wire are placed to the mode of fixed slot, and convenient operation takes to, can satisfy the test of four kinds of antennas of different length's area connecting wire, realize a tractor serves several purposes.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (6)
1. The antenna radio frequency and impedance testing jig is characterized by comprising a fixing mechanism and a detecting mechanism;
The fixing mechanism comprises a first fixing piece and a second fixing piece, a first fixing groove is formed in the first fixing piece, a second fixing groove is formed in the second fixing piece, the first fixing groove is communicated with the second fixing groove, the first fixing groove is used for placing a connecting wire to be tested, and the second fixing groove is used for placing an antenna to be tested;
the detection mechanism comprises a first detection component and a second detection component, wherein the first detection component is used for carrying out radio frequency test on the antenna, and the second detection component is used for detecting the impedance value of the antenna;
The first fixing piece and the second fixing piece are respectively of cuboid structures, the upper surface of the first fixing piece is flush with the upper surface of the second fixing piece, and the first fixing piece and the second fixing piece are vertically arranged;
The first fixing groove is arranged on the upper surface of the first fixing piece, extends along the long-side direction of the first fixing piece and penetrates through two ends of the first fixing piece, and the second fixing groove is arranged on the upper surface of the second fixing piece and extends along the long-side direction of the second fixing piece;
The number of the second fixing pieces is four, the four second fixing pieces are distributed along the long side of the first fixing piece, and the four second fixing pieces are respectively arranged on two sides of the first fixing piece;
The first detection assembly comprises a support frame and a terminal head, wherein the support frame comprises a support platform and a support column;
The supporting platform is provided with a through hole penetrating through the supporting platform, the through hole is arranged on the central axis of the second fixing groove, and the terminal head is arranged on the lower surface of the supporting platform and at the through hole;
the second detection assembly comprises a probe fixing piece and a probe arranged on the probe fixing piece, the probe stretches into the second fixing groove, and the probe fixing piece is movably arranged along the long edge of the first fixing piece in a direction close to or far away from the second fixing groove.
2. The antenna radio frequency and impedance testing jig according to claim 1, wherein the supporting platform is provided with a first limiting block and a second limiting block, and the first limiting block is arranged between the second limiting block and the first fixing piece in the horizontal direction;
The first limiting block is provided with a first limiting groove, and the first limiting groove and the first fixing groove are coaxially arranged and penetrate through two ends of the first limiting block;
the second limiting block is provided with a second limiting groove, the second limiting groove is communicated with the upper surface of the limiting block and the through hole, one side, close to the first limiting block, of the second limiting block is provided with an opening, and the opening is communicated with the second limiting groove.
3. The antenna radio frequency and impedance testing jig according to claim 2, further comprising a pressing mechanism, wherein the pressing mechanism comprises a pressing head and at least two pressing blocks, the pressing head is arranged above the through hole, and the pressing head and the through hole are coaxially arranged and movably arranged in a direction approaching or separating from the through hole;
At least two pressing blocks are respectively arranged above the second fixing grooves correspondingly and can be movably arranged towards the direction close to or far from the second fixing grooves.
4. The antenna radio frequency and impedance testing jig of claim 3, further comprising a drive mechanism comprising a first drive assembly and a second drive assembly;
The first driving assembly comprises a first air cylinder, an air cylinder support and a linkage assembly, wherein the first air cylinder is arranged on the air cylinder support, the linkage assembly is movably arranged on the air cylinder support, and at least two pressing blocks are respectively connected with the linkage assembly;
the first cylinder drives the pressure head to move towards the direction approaching or far away from the through hole, and the first cylinder drives the linkage assembly to drive the pressing block to move towards the direction approaching or far away from the first fixed groove;
the second driving assembly comprises a second air cylinder, and the second air cylinder drives the probe fixing piece to move.
5. The antenna radio frequency and impedance testing jig according to claim 4, wherein the linkage assembly comprises a linkage shaft, a connecting rod, a sliding rod and at least two supporting seats, the linkage shaft is movably arranged on the cylinder bracket through the supporting seats, and at least two pressing blocks are respectively connected with the linkage shaft through at least two supporting seats;
one end of the connecting rod is connected with the upper surface of the pressing block, and the other end of the connecting rod penetrates through the supporting seat and is movably arranged along the axial direction of the connecting rod;
The sliding rod is arranged on the supporting seat, the bottom end of the sliding rod penetrates through the supporting seat and extends between the supporting seat and the pressing block, and the bottom end of the sliding rod is provided with the air cylinder limiter.
6. The fixture for testing the radio frequency and the impedance of the antenna according to claim 5, further comprising a test board, wherein the fixing mechanism, the detecting mechanism and the driving mechanism are respectively arranged on the test board, and a test button and a reset button are respectively arranged on one side surface of the test board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062898.3A CN108152603B (en) | 2018-01-23 | 2018-01-23 | Antenna radio frequency and impedance test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062898.3A CN108152603B (en) | 2018-01-23 | 2018-01-23 | Antenna radio frequency and impedance test fixture |
Publications (2)
| Publication Number | Publication Date |
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| CN108152603A CN108152603A (en) | 2018-06-12 |
| CN108152603B true CN108152603B (en) | 2024-06-18 |
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| CN201810062898.3A Active CN108152603B (en) | 2018-01-23 | 2018-01-23 | Antenna radio frequency and impedance test fixture |
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| CN108761146B (en) * | 2018-06-26 | 2021-03-23 | 江苏大学 | Solid gel electrolyte impedance test fixture suitable for electrochemical system |
| CN110514908B (en) * | 2019-08-13 | 2021-09-17 | 江苏富联通讯技术有限公司 | Radio frequency coupling test system suitable for wireless product |
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