CN220438383U - Switching test structure - Google Patents
Switching test structure Download PDFInfo
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- CN220438383U CN220438383U CN202320487106.3U CN202320487106U CN220438383U CN 220438383 U CN220438383 U CN 220438383U CN 202320487106 U CN202320487106 U CN 202320487106U CN 220438383 U CN220438383 U CN 220438383U
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000003825 pressing Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004065 semiconductor Substances 0.000 abstract description 5
- LAHWLEDBADHJGA-UHFFFAOYSA-N 1,2,4-trichloro-5-(2,5-dichlorophenyl)benzene Chemical compound ClC1=CC=C(Cl)C(C=2C(=CC(Cl)=C(Cl)C=2)Cl)=C1 LAHWLEDBADHJGA-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of semiconductor device testing, in particular to a transfer test structure; the mounting frame is arranged above the transfer PCB, each group of clamping modules is connected with the mounting frame respectively, and the two groups of clamping modules are symmetrically arranged; the clamping module comprises a fixing plate, an adjusting spring, a clamping plate and a guiding arc plate, wherein the fixing plate is fixedly connected with the mounting frame, two ends of the adjusting spring are respectively connected with the fixing plate and the clamping plate, the guiding arc plate is fixedly connected with the clamping plate and is positioned on the outer side wall of the clamping plate, and the effect of testing tested products with different specifications is achieved through the structure.
Description
Technical Field
The utility model relates to the technical field of semiconductor device testing, in particular to a transfer test structure.
Background
In the current manufacturing process of integrated circuits, semiconductor devices need to be tested; in the prior art, a semiconductor power module switching test structure is disclosed in the patent application with the application number of 202121294387.8, a tested product is electrically connected with a switching PCB, and then the tested product is tested by using a test cabinet, so that the semiconductor power module switching test structure can be applied to testing products of different types, and the test cost of the products of different types is reduced.
The tested product needs to be fixed above the transfer PCB board so as to keep the stability in the test process, but in the structure, the tested product is placed above the transfer PCB board, and the tested product with different specifications is easy to shake above, so that the tested product with different specifications is inconvenient to test.
Disclosure of Invention
The utility model aims to provide a switching test structure which solves the problem that the test of tested products with different specifications is inconvenient.
In order to achieve the above purpose, according to the switching test structure, a switching PCB, a mounting frame and two groups of clamping modules are adopted, the mounting frame is arranged above the switching PCB, each group of clamping modules is respectively connected with the mounting frame, and the two groups of clamping modules are symmetrically arranged;
the clamping module comprises a fixing plate, an adjusting spring, a clamping plate and a guiding arc plate, wherein the fixing plate is fixedly connected with the mounting frame, two ends of the adjusting spring are respectively connected with the fixing plate and the clamping plate, and the guiding arc plate is fixedly connected with the clamping plate and is positioned on the outer side wall of the clamping plate.
The clamping module further comprises an outer cylinder and an inner rod, the outer cylinder is fixedly connected with the fixing plate, one end of the inner rod is slidably connected with the outer cylinder, the other end of the inner rod is fixedly connected with the fixing plate, and the adjusting springs respectively surround the outer cylinder and the outer side wall of the inner rod.
The switching test structure further comprises a fixing unit, wherein the fixing unit is connected with the mounting frame and located between the two groups of clamping modules.
The fixing unit comprises a supporting spring, a pressing plate and an arc block, wherein two ends of the supporting spring are respectively connected with the mounting frame and the pressing plate, and the arc block is fixedly connected with the pressing plate and is located on the outer side wall of the pressing plate.
The fixing unit further comprises a fixing cylinder and a sliding rod, the fixing cylinder is fixedly connected with the mounting frame, one end of the sliding rod is in sliding connection with the fixing cylinder, and the other end of the sliding rod is fixedly connected with the pressing plate.
According to the switching test structure, the switching PCB board is used for connecting a tested product so as to facilitate the subsequent use of a test cabinet for testing; before testing, use the centre gripping module will be surveyed the product and carry out the centre gripping fixed, will be surveyed the product aim at two sets of between the centre gripping module to exert force, the product contact that is surveyed the cambered surface of guide arc board, the grip block receives the extrusion, towards the fixed plate direction removes, at this moment the regulating spring compresses, and has the resilience force, under two sets of under the effect of centre gripping module, will be surveyed the product and be fixed in the top of switching PCB board, obtain the effect of being convenient for to the product that is surveyed of different specifications.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall structure of a first embodiment of the present utility model.
Fig. 2 is a rear view of the entire structure of the first embodiment of the present utility model.
Fig. 3 is a schematic overall structure of a second embodiment of the present utility model.
Fig. 4 is a rear view of the overall structure of a second embodiment of the present utility model.
The device comprises a 101-switching PCB, a 102-mounting frame, a 103-fixing plate, a 104-adjusting spring, a 105-clamping plate, a 106-guiding arc plate, a 107-outer cylinder, a 108-inner rod, a 201-supporting spring, a 202-pressing plate, a 203-arc block, a 204-fixing cylinder and a 205-sliding rod.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
First embodiment
Referring to fig. 1 and 2, fig. 1 is a schematic overall structure of a first embodiment, fig. 2 is a rear view of the entire structure of the first embodiment.
The utility model provides a switching test structure, which comprises: the clamping module comprises a fixing plate 103, an adjusting spring 104, a clamping plate 105, a guide arc plate 106, an outer cylinder 107 and an inner rod 108.
For this embodiment, the mounting frame 102 is disposed above the adapting PCB 101, each group of clamping modules is connected to the mounting frame 102, and two groups of clamping modules are symmetrically disposed, and the adapting PCB 101 is used to connect a product to be tested, so that a test cabinet is used for testing subsequently; before testing, two groups of clamping modules are used for clamping and fixing the tested product, so that stability in the testing process is improved.
The fixing plate 103 is fixedly connected with the mounting frame 102, two ends of the adjusting spring 104 are respectively connected with the fixing plate 103 and the clamping plate 105, the guide arc plate 106 is fixedly connected with the clamping plate 105 and is positioned on the outer side wall of the clamping plate 105, a product to be tested is aligned between two groups of clamping modules, a force is applied, the product to be tested contacts with the cambered surface of the guide arc plate 106, the clamping plate 105 is extruded and moves towards the direction of the fixing plate 103, at the moment, the adjusting spring 104 is compressed and has resilience force, and under the action of the two groups of clamping modules, the product to be tested is fixed above the switching PCB 101, so that the effect of testing different specifications of the product to be tested is facilitated.
Secondly, the outer cylinder 107 is fixedly connected with the fixing plate 103, one end of the inner rod 108 is slidably connected with the outer cylinder 107, the other end of the inner rod 108 is fixedly connected with the fixing plate 103, the adjusting spring 104 surrounds the outer cylinder 107 and the outer side wall of the inner rod 108 respectively, the inner rod 108 slides in the outer cylinder 107, and the inner rod 108 is matched with the outer cylinder 107 to improve the stability of the adjusting spring 104.
When the utility model is used for testing the tested product, the transfer PCB 101 is used for connecting the tested product so as to facilitate the subsequent use of the test cabinet for testing; before testing, the tested product is clamped and fixed by using the clamping modules, the tested product is aligned between the two groups of clamping modules, force is applied, the tested product contacts the cambered surface of the guide arc plate 106, the clamping plate 105 is extruded to move towards the direction of the fixed plate 103, at the moment, the adjusting spring 104 is compressed and has resilience force, the adjusting spring 104 surrounds the outer cylinder 107 and the outer side wall of the inner rod 108 respectively, the inner rod 108 slides in the outer cylinder 107, the inner rod 108 is matched with the outer cylinder 107, the stability of the adjusting spring 104 is improved, and under the action of the two groups of clamping modules, the tested product is fixed above the switching PCB 101, so that the effect of testing the tested products with different specifications is facilitated.
Second embodiment
Referring to fig. 3 and 4, fig. 3 is a schematic overall structure of the second embodiment, and fig. 4 is a rear overall structure of the second embodiment.
On the basis of the first embodiment, a switching test structure of the present utility model further includes a fixing unit including a holding spring 201, a pressing plate 202, an arc block 203, a fixing cylinder 204, and a slide rod 205.
The fixing unit is connected with the mounting frame 102 and is located between the two groups of clamping modules, and the fixing unit is used for reinforcing the stabilizing effect of the tested unit.
The two ends of the supporting spring 201 are respectively connected with the mounting frame 102 and the pressing plate 202, the arc block 203 is fixedly connected with the pressing plate 202 and is positioned on the outer side wall of the pressing plate 202, when the tested product moves to the fixing unit, the product to be tested contacts the cambered surface of the arc block 203, the pressing plate 202 is forced to move upwards, the supporting spring 201 is compressed at the moment, the pressing plate 202 presses the product to be tested, and the product to be tested is fixed, so that the product to be tested with different thicknesses is suitable for testing.
The fixed cylinder 204 is fixedly connected with the mounting frame 102, one end of the sliding rod 205 is slidably connected with the fixed cylinder 204, the other end of the sliding rod 205 is fixedly connected with the pressing plate 202, the sliding rod 205 slides in the fixed cylinder 204, and the sliding rod 205 is matched with the fixed cylinder 204 to improve the stability of the supporting spring 201.
When the measured product moves to the fixing unit, the measured product contacts the cambered surface of the arc block 203, the pressing plate 202 is forced to move upwards, at this time, the supporting spring 201 is compressed, the supporting spring 201 surrounds the fixing cylinder 204 and the outer side wall of the sliding rod 205, the sliding rod 205 slides in the fixing cylinder 204, the sliding rod 205 is matched with the fixing cylinder 204, the stability of the supporting spring 201 is improved, the pressing plate 202 presses the measured product, and the measured product is fixed, so that the measured product with different thicknesses is suitable for testing.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (5)
1. A transfer test structure comprises a transfer PCB board, and is characterized in that,
the mounting rack is arranged above the transfer PCB, each group of clamping modules is connected with the mounting rack respectively, and the two groups of clamping modules are symmetrically arranged;
the clamping module comprises a fixing plate, an adjusting spring, a clamping plate and a guiding arc plate, wherein the fixing plate is fixedly connected with the mounting frame, two ends of the adjusting spring are respectively connected with the fixing plate and the clamping plate, and the guiding arc plate is fixedly connected with the clamping plate and is positioned on the outer side wall of the clamping plate.
2. The patch test structure of claim 1,
the clamping module further comprises an outer cylinder and an inner rod, the outer cylinder is fixedly connected with the fixing plate, one end of the inner rod is in sliding connection with the outer cylinder, the other end of the inner rod is fixedly connected with the fixing plate, and the adjusting springs respectively surround the outer cylinder and the outer side wall of the inner rod.
3. The patch test structure of claim 1,
the switching test structure further comprises a fixing unit, wherein the fixing unit is connected with the mounting frame and is positioned between the two groups of clamping modules.
4. The patch test structure of claim 3,
the fixing unit comprises a supporting spring, a pressing plate and an arc block, wherein two ends of the supporting spring are respectively connected with the mounting frame and the pressing plate, and the arc block is fixedly connected with the pressing plate and is positioned on the outer side wall of the pressing plate.
5. The patch test structure of claim 4,
the fixing unit further comprises a fixing cylinder and a sliding rod, the fixing cylinder is fixedly connected with the mounting frame, one end of the sliding rod is in sliding connection with the fixing cylinder, and the other end of the sliding rod is fixedly connected with the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320487106.3U CN220438383U (en) | 2023-03-14 | 2023-03-14 | Switching test structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320487106.3U CN220438383U (en) | 2023-03-14 | 2023-03-14 | Switching test structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220438383U true CN220438383U (en) | 2024-02-02 |
Family
ID=89695656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320487106.3U Active CN220438383U (en) | 2023-03-14 | 2023-03-14 | Switching test structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220438383U (en) |
-
2023
- 2023-03-14 CN CN202320487106.3U patent/CN220438383U/en active Active
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