CN217007418U - Microwave radio frequency ferrite device test fixture - Google Patents
Microwave radio frequency ferrite device test fixture Download PDFInfo
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- CN217007418U CN217007418U CN202220233591.7U CN202220233591U CN217007418U CN 217007418 U CN217007418 U CN 217007418U CN 202220233591 U CN202220233591 U CN 202220233591U CN 217007418 U CN217007418 U CN 217007418U
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- ferrite device
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Abstract
The utility model discloses a microwave radio frequency ferrite device testing tool which comprises a base, wherein a positioning groove is formed in the base, a first PCB and a second PCB are further arranged on the base, the first PCB and the second PCB are respectively located on two opposite sides of the positioning groove, a first testing circuit is arranged on the first PCB, a contact of the first testing circuit is arranged close to the positioning groove, a second testing circuit is arranged on the second PCB, a contact of the second testing circuit is arranged close to the positioning groove, two connectors are further arranged on the base, one connector is located on one side, away from the positioning groove, of the first PCB and is communicated with the first testing circuit, and the other connector is located on one side, away from the positioning groove, of the second PCB and is communicated with the second testing circuit. The microwave radio frequency ferrite device test tool can monitor and control the indexes of the device during power and intermodulation test, reduce the loss generated by the device, ensure more accurate and stable obtained index data, prevent the device from being damaged due to overheating, and has good reliability.
Description
Technical Field
The utility model relates to the technical field of tools, in particular to a microwave radio frequency ferrite device testing tool.
Background
At present, after a microwave radio-frequency ferrite device (such as a circulator, an isolator, etc.) is assembled, power and intermodulation indexes of the device need to be detected, and generally, a mode of continuously loading high power on the microwave radio-frequency ferrite device to be tested to detect loss and intermodulation signals of the device is adopted for detection. The SMA connector is directly connected with the microwave radio-frequency ferrite device to be tested and the power amplifier tester or the intermodulation tester, so that the microwave radio-frequency ferrite device is easy to overload and heat, the microwave radio-frequency ferrite fails, and the microwave radio-frequency ferrite device can be directly burnt out under severe conditions, thereby affecting the reliability of test results and having certain safety risk.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the microwave radio frequency ferrite device testing tool is good in reliability.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a microwave radio frequency ferrite device test fixture, includes the base, be equipped with the constant head tank on the base, still be equipped with first PCB board and second PCB board on the base, first PCB board reaches the second PCB board is located respectively the relative both sides of constant head tank, be equipped with first test circuit on the first PCB board just the contact of first test circuit is close to the constant head tank sets up, be equipped with second test circuit on the second PCB board just the contact of second test circuit is close to the constant head tank sets up, still be equipped with two connectors on the base, one of them the connector is located first PCB board is kept away from one side of constant head tank and with first test circuit switch-on, another the connector is located the second PCB board is kept away from one side of constant head tank and with second test circuit switch-on.
Furthermore, a plurality of positioning holes are further formed in the base, and the positioning holes are arranged in the positioning grooves at intervals.
Furthermore, a first avoiding notch is further arranged on the base and communicated with the positioning groove.
Further, still be equipped with two on the base and be used for holding respectively first PCB board reaches the mounting groove of second PCB board, two the mounting groove is located respectively the relative both sides of constant head tank and two the mounting groove respectively with the constant head tank intercommunication.
Furthermore, a second avoiding gap is further arranged on the base, and the second avoiding gap is communicated with the mounting groove.
Furthermore, still be equipped with a plurality of first mounting holes on the base, first mounting hole is located in the mounting groove just first PCB board with be equipped with respectively on the second PCB board with first via hole that the first mounting hole aligns.
Furthermore, still be equipped with the confession on the base the installation piece of connector installation, the installation piece is located the mounting groove is kept away from one side of constant head tank just be equipped with the through-hole that supplies the part on the installation piece the connector passes.
Furthermore, the base and the mounting block are respectively provided with a second mounting hole, and the connector is provided with a second through hole aligned with the second mounting hole.
Further, the connectors are respectively provided with N-K joints.
Furthermore, the base is made of copper and is grounded.
The utility model has the beneficial effects that: the microwave radio frequency ferrite device testing tool provided by the utility model positions the microwave radio frequency ferrite device to be detected through the positioning groove arranged on the base, the microwave radio frequency ferrite device is respectively conducted with the first testing circuit on the first PCB and the second testing circuit on the second PCB which are positioned on the two opposite sides of the positioning groove after being placed in the positioning groove, and the first PCB and the second PCB are respectively connected with the power amplifier tester or the intermodulation tester through two connectors, the method and the device have the advantages that the indexes of the microwave radio-frequency ferrite device are monitored and controlled when the microwave radio-frequency ferrite device is subjected to power and intermodulation tests, the loss such as insertion loss and return loss generated by the microwave radio-frequency ferrite device during the tests is reduced, the index data obtained by the tests are more accurate and stable, the microwave radio-frequency ferrite device is prevented from being damaged due to overheating, and the reliability is good.
Drawings
Fig. 1 is a schematic structural diagram of a microwave radio frequency ferrite device testing tool according to a first embodiment of the present invention;
FIG. 2 is a top view of a microwave RF ferrite device testing tool according to a first embodiment of the present invention;
FIG. 3 is an exploded view of a microwave RF ferrite device testing tool according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a base in the microwave radio-frequency ferrite device testing tool according to the first embodiment of the present invention.
Description of reference numerals:
1. a base; 11. positioning a groove; 12. positioning holes; 13. a first avoidance gap; 14. mounting grooves; 15. a second avoidance gap; 16. a first mounting hole; 17. a second mounting hole; 2. a first PCB board; 21. a first test line; 22. a first via hole; 3. a second PCB board; 31. a second test line; 4. a connector; 41. A second via hole; 5. mounting blocks; 51. and a through hole.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, a microwave rf ferrite device testing tool includes a base 1, the base 1 is provided with a positioning groove 11, the base 1 is also provided with a first PCB 2 and a second PCB 3, the first PCB 2 and the second PCB 3 are respectively located at two opposite sides of the positioning slot 11, a first test circuit 21 is arranged on the first PCB 2 and a contact of the first test circuit 21 is disposed near the positioning slot 11, a second testing circuit 31 is arranged on the second PCB 3, the contact of the second testing circuit 31 is arranged close to the positioning groove 11, two connectors 4 are also arranged on the base 1, one of the connectors 4 is located on a side of the first PCB 2 away from the positioning slot 11 and is connected to the first test circuit 21, and the other connector 4 is located on a side of the second PCB 3 away from the positioning slot 11 and is connected to the second test circuit 31.
From the above description, the beneficial effects of the present invention are: the microwave radio frequency ferrite device testing tool provided by the utility model can monitor and control the index of the microwave radio frequency ferrite device when the microwave radio frequency ferrite device performs power and intermodulation testing, reduces the loss such as insertion loss and return loss generated by the microwave radio frequency ferrite device during testing, ensures that the index data obtained by testing is more accurate and stable, prevents the microwave radio frequency ferrite device from being damaged due to overheating, and has good reliability.
Further, a plurality of positioning holes 12 are further formed in the base 1, and the positioning holes 12 are arranged in the positioning groove 11 at intervals.
As can be seen from the above description, the positioning hole 12 disposed in the positioning slot 11 is matched with the microwave rf ferrite device placed in the positioning slot 11, so as to prevent the microwave rf ferrite device to be tested from moving unexpectedly in the positioning slot 11, which may result in poor contact between the microwave rf ferrite device and the first test circuit 21 or the second test circuit 31.
Further, a first avoiding notch 13 is further formed in the base 1, and the first avoiding notch 13 is communicated with the positioning groove 11.
As can be seen from the above description, the first avoiding notch 13 communicating with the positioning slot 11 is provided on the base 1 to facilitate the removal of the tested microwave RF ferrite device from the positioning slot 11.
Furthermore, still be equipped with two on the base 1 and be used for holding respectively first PCB board 2 reaches second PCB board 3's mounting groove 14, two mounting groove 14 is located respectively the relative both sides of constant head tank 11 and two mounting groove 14 respectively with constant head tank 11 intercommunication.
As can be seen from the above description, the first PCB 2 and the second PCB 3 are respectively installed in the installation grooves 14 on both sides of the positioning groove 11, so that the first PCB 2 and the second PCB 3 are conveniently positioned on the base 1, and the pins of the microwave rf ferrite device placed in the positioning groove 11 are aligned with the first test circuit 21 and the second test circuit 31, thereby simplifying the test operation.
Further, a second avoiding gap 15 is further arranged on the base 1, and the second avoiding gap 15 is communicated with the mounting groove 14.
As can be seen from the above description, the second avoiding notch 15 is used to take out the first PCB 2 or the second PCB 3 in the mounting groove 14, so as to facilitate maintenance of the microwave radio frequency ferrite device testing tool.
Further, still be equipped with a plurality of first mounting holes 16 on the base 1, first mounting hole 16 is located in mounting groove 14 and be equipped with respectively on first PCB board 2 and the second PCB board 3 with first via hole 22 that first mounting hole 16 aligns.
As can be seen from the above description, the first PCB 2 and the second PCB 3 can be fixed on the base 1 by the connecting piece passing through the first through hole 22 on the first PCB 2 or the second PCB 3 and matching with the first mounting hole 16 on the base 1, so that the assembly of the microwave radio frequency ferrite device testing tool is facilitated.
Furthermore, an installation block 5 for installing the connector 4 is further arranged on the base 1, the installation block 5 is located on one side, away from the positioning groove 11, of the installation groove 14, and a through hole 51 for allowing the connector 4 to pass through is formed in the installation block 5.
As can be seen from the above description, the connector 4 is mounted on the mounting block 5 and part of the connector 4 passes through the through hole 51 after the connector 4 is mounted, so that the connector 4 is kept connected with the first test circuit 21 or the second test circuit 31, and the microwave rf ferrite device test tool is ensured to operate stably.
Furthermore, the base 1 and the mounting block 5 are respectively provided with a second mounting hole 17, and the connector 4 is provided with a second through hole 41 aligned with the second mounting hole 17.
Further, the connectors 4 have N-K junctions, respectively.
Further, the base 1 is made of copper and the base 1 is grounded.
As can be seen from the above description, the base 1 is made of copper and the base 1 is grounded, so as to reduce the influence of the base 1 on the microwave radio-frequency ferrite device to be tested and ensure the accuracy of data obtained by the test.
Example one
Referring to fig. 1 to 4, a first embodiment of the present invention is: a microwave radio frequency ferrite device testing tool is used for positioning a microwave radio frequency ferrite device to be tested in the process of testing power and intermodulation indexes of the microwave radio frequency ferrite device, and detecting and controlling the microwave radio frequency ferrite device.
As shown in fig. 1 and 2, the microwave radio-frequency ferrite device testing tool comprises a base 1, a positioning groove 11 for accommodating a microwave radio-frequency ferrite device to be tested is arranged on the base 1, the base 1 is further provided with a first PCB 2 and a second PCB 3, the first PCB 2 and the second PCB 3 are respectively positioned at two opposite sides of the positioning groove 11, and the first PCB 2 is provided with a first test circuit 21, the second PCB 3 is provided with a second test circuit 31, the contact of the first test circuit 21 and the contact of the second test circuit 31 are respectively arranged close to the positioning groove 11, and the microwave radio-frequency ferrite device to be tested is placed in the positioning groove 11, so that the microwave radio-frequency ferrite device is respectively in contact conduction with the contact of the first test circuit 21 and the contact of the second test circuit 31, and the connection of the microwave radio-frequency ferrite device with the first PCB 2 and the second PCB 3 is realized. Optionally, the first PCB 2 and the second PCB 3 may both adopt single-layer or multi-layer PCBs with a radio frequency matching of 50 Ω, and the first test circuit 21 and the second test circuit 31 may both adopt existing monitoring circuits.
Specifically, the base 1 is further provided with two connectors 4, one of the connectors 4 is located on one side of the first PCB 2 away from the positioning slot 11 and is connected to the first testing circuit 21, the other connector 4 is located on one side of the second PCB 3 away from the positioning slot 11 and is connected to the second testing circuit 31, the connector 4 is used for connecting the first PCB 2 or the second PCB 3 to a power amplifier tester or an intermodulation tester, and further connecting the microwave rf ferrite device to be tested to a supplier tester or an intermodulation tester through the first testing circuit 21 or the second testing circuit 31 after the microwave rf ferrite device to be tested is placed in the positioning slot 11 for a day, and monitoring and controlling various indexes of the microwave rf ferrite device in the testing process through the first testing circuit 21 or the second testing circuit 31, the data obtained by testing is ensured to be more accurate, and the microwave radio frequency ferrite device is prevented from being overheated.
As shown in fig. 2, the base 1 is further provided with a plurality of positioning holes 12 for positioning the microwave rf ferrite devices, the positioning holes 12 are disposed at intervals in the positioning slot 11, and the microwave rf ferrite devices are placed in the positioning slot 11 and then are matched with the positioning blocks, so as to limit the positions of the microwave rf ferrite devices in the positioning slot 11, and prevent the microwave rf ferrite devices to be tested from generating unexpected movement, which results in poor contact between the microwave rf ferrite devices and the first test circuit 21 or the second test circuit 31.
Preferably, the base 1 is further provided with a first avoiding notch 13 communicated with the positioning slot 11, and the microwave radio-frequency ferrite device can be taken out from the positioning slot 11 from the first avoiding notch 13 after the test of the microwave radio-frequency ferrite device is completed.
As shown in fig. 3, in order to facilitate the assembly of the microwave rf ferrite device testing tool, the base 1 is further provided with two mounting grooves 14 for respectively accommodating the first PCB 2 and the second PCB 3, the two mounting grooves 14 are respectively located at two opposite sides of the positioning slot 11, the two mounting grooves 14 are respectively communicated with the positioning slot 11 so as to enable the edges of the first PCB 2 and the second PCB 3 to be flush with the edge of the positioning slot 11, and further, the pin of the microwave rf ferrite device placed in the positioning slot 11 is aligned with the first testing circuit 21 and the second testing circuit 31, thereby simplifying the testing operation.
In detail, still be equipped with on the base 1 with the mounting groove 14 communicates and gets the second and keep away a breach 15, the second is kept away a breach 15 mouth and is used for taking out first PCB board 2 or second PCB board 3 in the mounting groove 14, conveniently maintains microwave radio frequency ferrite device test fixture.
Referring to fig. 3 and 4, a plurality of first mounting holes 16 are further formed in the base 1, the first mounting holes 16 are located in the mounting grooves 14, first through holes 22 aligned with the first mounting holes 16 are respectively formed in the first PCB 2 and the second PCB 3, and the first PCB 2 and the second PCB 3 can be fixed to the base 1 by penetrating the first through holes 22 in the first PCB 2 or the second PCB 3 through a connecting member and matching the first mounting holes 16 in the base 1, so that the microwave radio-frequency ferrite device testing tool is assembled while the overall structure of the microwave radio-frequency ferrite device testing tool is ensured to be stable.
Specifically, still be equipped with the confession on the base 1 installation piece 5 that connector 4 installed, installation piece 5 is located mounting groove 14 is kept away from one side of constant head tank 11 just be equipped with the confession part on the installation piece 5 through-hole 51 that connector 4 passed, connector 4 install extremely the partial connector 4 of back passes on the installation piece 5 through-hole 51 and with first test circuit 21 or second test circuit 31 switch-on ensures connector 4 with first PCB board 2 or second PCB board 3 is connected stably. The base 1 reaches still be equipped with second mounting hole 17 on the installation piece 5 respectively, be equipped with on the connector 4 with the second via hole 41 that second mounting hole 17 aligns adopts the connecting piece to pass on the connector 4 the second via hole 41 and with on the base 1 or on the mount pad the cooperation of second mounting hole 17 can with the rigidity of connector 4.
Referring to fig. 3, the connectors 4 are respectively provided with N-K connectors to facilitate connection between the connectors 4 and a power amplifier tester or an intermodulation tester, and the base 1 is made of copper and grounded to reduce influence of the base 1 on the microwave rf ferrite device to be tested and ensure accurate data obtained by testing.
In summary, the microwave radio-frequency ferrite device testing tool provided by the utility model positions the microwave radio-frequency ferrite device to be tested by using the positioning groove arranged on the base, the microwave radio-frequency ferrite device is placed in the positioning groove and then is in contact conduction with the first PCB board and the second PCB board which are positioned at two opposite sides of the positioning groove, the first PCB board or the second PCB board is connected with the power amplifier tester or the intermodulation tester through the connector, and then the microwave radio-frequency ferrite device to be tested is placed in the positioning groove and can be connected with the tester to measure the related parameters, so that the operation is convenient, and the detection efficiency is high; the microwave radio frequency ferrite device testing tool, the first testing circuit arranged on the first PCB and the second testing circuit arranged on the second PCB detect various indexes of the microwave radio frequency ferrite device in the detection process, the reliability of measured data is improved, meanwhile, the microwave radio frequency ferrite device is prevented from being overloaded, and the microwave radio frequency ferrite device is prevented from being damaged in the testing process.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the accompanying drawings, which are directly or indirectly applied to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a microwave radio frequency ferrite device test fixture which characterized in that: the base is included, be equipped with the constant head tank on the base, still be equipped with first PCB board and second PCB board on the base, first PCB board reaches the second PCB board is located respectively the relative both sides of constant head tank, be equipped with first test circuit on the first PCB board just the contact of first test circuit is close to the constant head tank sets up, be equipped with second test circuit on the second PCB board just the contact of second test circuit is close to the constant head tank sets up, still be equipped with two connectors on the base, one of them the connector is located first PCB board is kept away from one side of constant head tank and with first test circuit switch-on, another the connector is located the second PCB board is kept away from one side of constant head tank and with second test circuit switch-on.
2. The microwave radio frequency ferrite device test fixture of claim 1, characterized in that: the base is further provided with a plurality of positioning holes, and the positioning holes are arranged in the positioning grooves at intervals.
3. The microwave radio frequency ferrite device test fixture of claim 1, characterized in that: the base is further provided with a first avoiding notch, and the first avoiding notch is communicated with the positioning groove.
4. The microwave radio frequency ferrite device test fixture of claim 1, characterized in that: still be equipped with two on the base and be used for holding respectively the mounting groove of first PCB board reaches the second PCB board, two the mounting groove is located respectively the relative both sides of constant head tank and two the mounting groove respectively with the constant head tank intercommunication.
5. The microwave radio frequency ferrite device test fixture of claim 4, characterized in that: and a second avoiding notch is also arranged on the base and communicated with the mounting groove.
6. The microwave radio frequency ferrite device test fixture of claim 4, characterized in that: still be equipped with a plurality of first mounting holes on the base, first mounting hole is located in the mounting groove just first PCB board reaches be equipped with respectively on the second PCB board with first via hole that first mounting hole aligns.
7. The microwave radio frequency ferrite device test fixture of claim 4, characterized in that: still be equipped with the confession on the base the installation piece of connector installation, the installation piece is located the mounting groove is kept away from one side of constant head tank just be equipped with the confession part on the installation piece the through-hole that the connector passed.
8. The microwave radio frequency ferrite device test fixture of claim 7, characterized in that: the base reaches be equipped with the second mounting hole on the installation piece respectively, be equipped with on the connector with the second via hole of second mounting hole alignment.
9. The microwave radio frequency ferrite device test fixture of claim 1, characterized in that: the connectors have N-K connectors, respectively.
10. The microwave radio frequency ferrite device test fixture of claim 1, characterized in that: the base is made of metal copper and is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220233591.7U CN217007418U (en) | 2022-01-27 | 2022-01-27 | Microwave radio frequency ferrite device test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220233591.7U CN217007418U (en) | 2022-01-27 | 2022-01-27 | Microwave radio frequency ferrite device test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007418U true CN217007418U (en) | 2022-07-19 |
Family
ID=82391323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220233591.7U Active CN217007418U (en) | 2022-01-27 | 2022-01-27 | Microwave radio frequency ferrite device test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007418U (en) |
-
2022
- 2022-01-27 CN CN202220233591.7U patent/CN217007418U/en active Active
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