CN212207468U - Frequency conversion module test fixture - Google Patents
Frequency conversion module test fixture Download PDFInfo
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- CN212207468U CN212207468U CN202020775565.8U CN202020775565U CN212207468U CN 212207468 U CN212207468 U CN 212207468U CN 202020775565 U CN202020775565 U CN 202020775565U CN 212207468 U CN212207468 U CN 212207468U
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Abstract
The utility model discloses a frequency conversion module test fixture, including the PCB board, the front is packaged with the shell, the shell surface is provided with the test chamber that is used for placing the frequency conversion module, still be provided with the probe in the test chamber, probe top and frequency conversion module butt, the probe bottom runs through the test chamber and welds on the PCB board; the periphery of the test cavity is further provided with an alignment pin and a buckle through a bolt, a notch is formed in the alignment pin, the limiting frequency conversion module is located in the test cavity, and the buckle can be close to or far away from the test cavity along the rotation of the bolt. The utility model discloses the installation is simple and convenient, has replaced traditional welding test to be applicable to the fine difference between the different frequency conversion modules and the counterpoint precision of different frequency conversion modules, reach automatic test frequency conversion module, make efficiency of software testing high, more convenient.
Description
Technical Field
The utility model relates to a frequency conversion module's test field, concretely relates to frequency conversion module test fixture.
Background
At present, all there is frequency conversion module among a lot of circuit control system, and frequency conversion module need test it before putting into practice, carries out the capability test to frequency conversion module at present and need welds the cable respectively to every frequency conversion module's solder joint, if weld every frequency conversion module, not only efficiency of software testing is low, but also can influence frequency conversion module's secondary assembly, makes its performance variation damage frequency conversion module even.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a frequency conversion module test fixture to solve the problem that frequency conversion module efficiency of software testing is low.
The utility model adopts the technical scheme as follows:
the utility model relates to a frequency conversion module test fixture, including the PCB board, the front is packaged with the shell, the shell surface is provided with the test chamber that is used for placing the frequency conversion module, still be provided with the probe in the test chamber, probe top and frequency conversion module butt, the probe bottom runs through the test chamber and welds on the PCB board; the periphery of the test cavity is further provided with an alignment pin and a buckle through a bolt, a notch is formed in the alignment pin, the limiting frequency conversion module is located in the test cavity, and the buckle can be close to or far away from the test cavity along the rotation of the bolt.
The traditional test mode of the frequency conversion module is to weld the cable to the welding spot of each frequency conversion module respectively, which not only has low test efficiency, but also affects the secondary assembly of the frequency conversion module, the frequency conversion module of the tested piece in the utility model is composed of a rectangular circuit board, the frequency conversion module is pressed down and clung to the probe after aligning to the test cavity, the contraposition pin can limit the frequency conversion module, the frequency conversion module is limited in the test cavity through the gap on the contraposition pin, and the performance test point on the frequency conversion module is abutted to the probe, the buckle is arranged at both sides of the test cavity through the bolt, the fixed frequency conversion module is pressed after lifting up the buckle and approaching to the frequency conversion module, the lower surface of the buckle is clung to the frequency conversion module, thereby the frequency conversion module is clung to the probe, the contraposition precision of the performance test point on the frequency conversion module and the probe is, be convenient for to frequency conversion module's capability test, after frequency conversion module test is complete, roll out the test chamber with the buckle and break away from with frequency conversion module and can take out frequency conversion module. The utility model discloses install frequency conversion module at the test chamber, can finely tune four counterpoint round pins and buckles, it is simple and convenient to install, has replaced traditional welding test, improves efficiency of software testing to be applicable to the slight difference between the different frequency conversion modules and the counterpoint precision of different frequency conversion modules.
Furthermore, the back of the PCB board is provided with a test circuit, and the PCB board is also provided with a change-over switch, a communication control power supply interface, a radio frequency plug and a signal indicator light which are connected with the test circuit. By adopting the structure, the signal on the frequency conversion module is led to the PCB board through the probe, the PCB board is provided with the test circuit, the signal is displayed by the external instrument of the radio frequency plug through the test circuit, the communication control power supply interface is externally connected with the test system, the function of automatically testing the frequency conversion module is achieved, and the test becomes more efficient and convenient.
Further, the probe is a double-head radio frequency probe, and the top of the probe is telescopic. Adopt above-mentioned structure, the probe both ends are electrically conductive, connect frequency conversion module and PCB board respectively, and when frequency conversion module pushed down, probe top and frequency conversion module butt and along with frequency conversion module pushed down and shrink, when frequency conversion module took out the test chamber, the probe top rebounded original state again.
Furthermore, a gasket is arranged between the buckle and the shell. By adopting the structure, the gasket is used for supporting the buckle and preventing the buckle from sliding after the frequency conversion module is pressed.
Further, the number of the alignment pins is four.
Furthermore, the back of the PCB is also provided with 4 support legs which are respectively arranged on each support point of the PCB. By adopting the structure, the whole test fixture is stably supported by the support legs, so that the test circuit on the back of the PCB is prevented from contacting the desktop, and the test operation is facilitated.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a frequency conversion module test fixture installs frequency conversion module in testing chamber, can finely tune four counterpoint round pins and the fixed frequency conversion module of buckle, and the installation is simple and convenient, has replaced traditional welding test, improves efficiency of software testing to be applicable to the nuance between the different frequency conversion modules and the counterpoint precision of different frequency conversion modules.
2. The utility model relates to a frequency conversion module test fixture, the last signal of frequency conversion module is provided with test circuit on the PCB board through the probe on leading to the PCB board, and the signal passes through test circuit and is shown the parameter by the external instrument of radio frequency plug, and the external test system of communication control power supply interface reaches automatic test frequency conversion module, makes efficiency of software testing high, more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a right side view of the present invention;
fig. 3 is a schematic structural diagram of the frequency conversion module.
The labels in the figure are: the test device comprises a PCB (printed circuit board), a shell 2, a test cavity 3, a probe 4, an alignment pin 5, a notch 501, a buckle 6, a gasket 601, a change-over switch 7, a communication control power supply interface 8, a radio frequency plug 9, a signal indicator lamp 10, a support leg 11 and a frequency conversion module 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1.
Example one
As shown in fig. 1-3, the utility model relates to a frequency conversion module test fixture, including PCB board 1, the front side is encapsulated with shell 2, the surface of shell 2 is provided with test chamber 3 for placing frequency conversion module 12, still be provided with probe 4 in test chamber 3, the top of probe 4 is connected with frequency conversion module 12, the bottom of probe 4 is run through the test chamber and is welded on PCB board 1; the periphery of the test cavity 3 is also provided with an alignment pin 5 and a buckle 6 through a bolt, the alignment pin 5 is provided with a notch 501, the limiting frequency conversion module 12 is located in the test cavity 3, and the buckle 6 can be close to or far away from the test cavity 3 along the rotation of the bolt.
The traditional testing method of the frequency conversion module 12 is to weld the cable to the welding spot of each frequency conversion module 12 respectively, which not only has low testing efficiency, but also affects the secondary assembly of the frequency conversion module 12, the frequency conversion module 12 of the tested piece in the utility model is composed of a rectangular circuit board, after the frequency conversion module 12 is aligned with the testing cavity 3, the frequency conversion module 12 is pressed down and tightly attached to the probe 4, the alignment pin 5 can limit the frequency conversion module 12, the frequency conversion module 12 is limited in the testing cavity 3 through the gap 501 on the alignment pin 5, and the performance testing point on the frequency conversion module 12 is abutted to the probe 4, the buckle 6 is arranged at both sides of the testing cavity 3 through the bolt, the fixed frequency conversion module 12 is pressed after the buckle 6 is lifted upwards and the frequency conversion module 12 is close to, so that the lower surface of the buckle 6 is tightly attached to the frequency conversion module 12, thereby the frequency conversion module 12 is tightly attached to the probe 4, the, at this moment, on signal accessible probe 4 on the frequency conversion module 12 led to PCB board 1, be convenient for to the capability test of frequency conversion module 12, after frequency conversion module 12 tests completely, rotated out test chamber 3 with buckle 6 and breaks away from with frequency conversion module 12 and can take out frequency conversion module 12. The utility model discloses install frequency conversion module 12 at test chamber 3, can finely tune four counterpoint round pins 5 and buckle 6, it is simple and convenient to install, has replaced traditional welding test, improves efficiency of software testing to be applicable to the fine difference between the different frequency conversion modules 12 and the counterpoint precision of different frequency conversion modules 12.
Example two
The embodiment is to further explain the present invention.
As shown in fig. 1, this embodiment is on the basis of the first embodiment, in a preferred embodiment of the present invention, the back surface of the PCB board 1 is provided with a test circuit, and the PCB board 1 is further provided with a switch 7 connected to the test circuit, a communication control power supply interface 8, a radio frequency plug 9 and a signal indicator lamp 10. By adopting the structure, the signal on the frequency conversion module 12 is led to the PCB board 1 through the probe 4, the PCB board 1 is provided with the test circuit, the signal is displayed by the external instrument of the radio frequency plug 9 through the test circuit, the communication control power supply interface 8 is connected with the test system, the function of automatically testing the frequency conversion module 12 is achieved, and the test becomes more efficient and convenient. In this embodiment, the rf plug 9 is SMA-KHD27, and the communication control power supply interface 8 is a 6P straight needle holder XH 2.54.
EXAMPLE III
This embodiment is a further description of the present invention.
On the basis of the above embodiment, in a preferred embodiment of the present invention, the probe 4 is a dual-head rf probe, and the top of the probe is retractable. Adopt above-mentioned structure, probe 4 both ends are electrically conductive, connect frequency conversion module 12 and PCB board 1 respectively, and when frequency conversion module 12 pushed down, 4 tops of probe and frequency conversion module 12 butt and shrink along with frequency conversion module 12 pushes down, when frequency conversion module 12 took out test chamber 3, original state was rebounded again at the 4 tops of probe. In this example, the type of probe 4 was RNP 85-H.
Example four
This embodiment is a further description of the present invention.
As shown in fig. 1, on the basis of the above embodiment, in a preferred embodiment of the present invention, a gasket 601 is further disposed between the buckle 6 and the housing 2. With the above structure, the gasket 601 is used to support the buckle 6, and prevent the buckle 6 from sliding after compressing the frequency conversion module 12.
In a preferred embodiment of the present invention, there are four alignment pins 5.
EXAMPLE five
This embodiment is a further description of the present invention.
As shown in fig. 2, in this embodiment, on the basis of the above embodiment, in a preferred embodiment of the present invention, the back surface of the PCB board 1 is further provided with support legs 11, and the number of the support legs 11 is 4, and the support legs are respectively disposed on each support point of the PCB board 1. By adopting the structure, the whole test fixture is stably supported by the support legs 11, so that the test circuit on the back surface of the PCB 1 is prevented from contacting the desktop, and the test operation is facilitated.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a frequency conversion module test fixture which characterized in that: the testing device comprises a PCB (1), wherein a shell (2) is packaged on the front surface of the PCB, a testing cavity (3) for placing a frequency conversion module (12) is formed in the surface of the shell (2), a probe (4) is further arranged in the testing cavity (3), the top of the probe (4) is abutted against the frequency conversion module (12), and the bottom of the probe (4) penetrates through the testing cavity and is welded on the PCB (1); the test chamber (3) periphery is still provided with counterpoint round pin (5) and buckle (6) through the bolt, be provided with breach (501) on counterpoint round pin (5), restriction frequency conversion module (12) are located test chamber (3), buckle (6) can be followed the bolt rotation and be close to or keep away from test chamber (3).
2. The test fixture of claim 1, wherein: the back of the PCB (1) is provided with a test circuit, and the PCB (1) is further provided with a change-over switch (7) connected with the test circuit, a communication control power supply interface (8), a radio frequency plug (9) and a signal indicator lamp (10).
3. The test fixture of claim 1, wherein: the probe (4) is a double-head radio frequency probe, and the top of the probe is telescopic.
4. The test fixture of claim 1, wherein: a gasket (601) is further arranged between the buckle (6) and the shell (2).
5. The test fixture of claim 1, wherein: the number of the alignment pins (5) is four.
6. The test fixture of claim 1, wherein: the back of the PCB (1) is also provided with 4 support legs (11), and the support legs (11) are respectively arranged on each support point of the PCB (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020775565.8U CN212207468U (en) | 2020-05-11 | 2020-05-11 | Frequency conversion module test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020775565.8U CN212207468U (en) | 2020-05-11 | 2020-05-11 | Frequency conversion module test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207468U true CN212207468U (en) | 2020-12-22 |
Family
ID=73814346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020775565.8U Active CN212207468U (en) | 2020-05-11 | 2020-05-11 | Frequency conversion module test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212207468U (en) |
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2020
- 2020-05-11 CN CN202020775565.8U patent/CN212207468U/en active Active
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