CN115036755A - Test system for high-speed line module - Google Patents
Test system for high-speed line module Download PDFInfo
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- CN115036755A CN115036755A CN202210704490.8A CN202210704490A CN115036755A CN 115036755 A CN115036755 A CN 115036755A CN 202210704490 A CN202210704490 A CN 202210704490A CN 115036755 A CN115036755 A CN 115036755A
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 210000001503 joint Anatomy 0.000 claims abstract description 34
- 238000003032 molecular docking Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 2
- 230000013011 mating Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The application provides a test system for a high-speed line module, which comprises a fixing piece, a shielding piece, a signal switching pin, an insulating piece and a printed circuit board; the shielding part is provided with a shielding cavity and a connecting groove; a plurality of protruding pieces are arranged on the side wall of the connecting groove in a protruding mode towards the center of the connecting groove; the insulation piece is arranged in the shielding cavity and is provided with a butt joint cavity and an accommodating cavity, and the butt joint cavity is communicated with the accommodating cavity in the length direction of the insulation piece; the signal switching pin is arranged in the accommodating cavity, the first end of the signal switching pin is fixed on the printed circuit board, and the second end of the signal switching pin is in a free state in the accommodating cavity. The application is used for the test system of high-speed line module can protect the signal terminal and the ground terminal of high-speed line module fish-eye form not to damage.
Description
Technical Field
The application relates to the technical field of test correlation, in particular to a test system for a high-speed line module.
Background
In the high-speed line module, a cable is led out of a high-speed backplane connector through a fisheye end, and the high-speed backplane connector is inserted into a high-speed connector at the other end of a printed board to form a transmission link; for high-speed line modules, 100% online detection of SI performance including, but not limited to, impedance, insertion loss, crosstalk, etc. is generally required. During testing, the matched high-speed connectors are inserted oppositely to form a testing link, and the online SI testing can be realized by matching with a network analyzer, a matrix switch and the like. Aiming at some special use environments, one end of the high-speed line module still keeps a fisheye-shaped terminal structure and is flexibly pressed into a PCB for testing. At the moment, the on-line test fixture of the high-speed line module needs to ensure that the fisheye-shaped terminal structure is reliably communicated with the metal hole of the high-speed test PCB on one hand, and also needs to ensure that the fisheye-shaped terminal is not deformed after the test is finished on the other hand, so that obviously, the method which is conventionally used and is used for directly pressing the fisheye-shaped terminal into the high-speed test PCB is not applicable, the method is destructive, and the line module cannot be used after the detection is finished.
Disclosure of Invention
The application aims to provide a testing system for a high-speed line module, which can better protect a fisheye-shaped terminal of the high-speed line module.
In order to achieve the above object, the present application provides a testing system for a high-speed cable module, which includes a fixing member, a shielding member, a signal transfer pin, an insulating member, and a printed circuit board;
the fixing piece is provided with a first butting surface and a first fixing surface which are oppositely arranged, and the first fixing surface is fixed on the printed circuit board; the first butt joint surface is sunken towards the direction of the first fixing surface to form a butt joint groove, and an accommodating space is formed at the groove bottom of the butt joint groove;
the shielding piece is arranged in the accommodating space and is provided with a second butting surface and a second fixing surface which are oppositely arranged, and the second fixing surface is fixed on the printed circuit board; a shielding cavity penetrating through the shielding piece is arranged between the second butting surface and the second fixing surface, and a connecting groove is formed in the second butting surface in an extending manner towards the second fixing surface; a plurality of protruding parts are convexly arranged on the side wall of the connecting groove towards the center of the connecting groove;
the insulating piece is arranged in the shielding cavity and is provided with a third butting surface and a third fixing surface which are oppositely arranged, and the third fixing surface is fixed on the printed circuit board; the third butt joint surface is concavely provided with a butt joint cavity towards the third fixing surface, the third fixing surface is concavely provided with an accommodating cavity towards the third butt joint surface, and the butt joint cavity is communicated with the accommodating cavity in the length direction of the insulating part;
the signal switching pin is arranged in the accommodating cavity, the first end of the signal switching pin is fixed on the printed circuit board, and the second end of the signal switching pin is in a free state in the accommodating cavity.
In some embodiments of the present application, the docking cavities and the accommodating cavities are distributed in a staggered manner in a length direction of the insulating member, and have an overlapping region in a width direction of the insulating member.
In some embodiments of the present application, the cover assembly includes a cover plate, and the docking cavity has a length less than a length of the receiving cavity.
In some embodiments of the present application, the plurality of protruding members are distributed in a staggered manner in a length direction of the connecting groove.
In some embodiments of the present application, the plurality of protruding members include a first protrusion disposed on one side wall of the connecting groove, and a second protrusion disposed on the opposite side wall of the connecting groove, and a connection line between a free end of the first protrusion and a free end of the second protrusion is substantially located at a center line of the connecting groove in a length direction.
In some embodiments of the present application, each of the first protrusion and the second protrusion is substantially a trapezoid, and has a plurality of faces suspended in the connecting groove, and at least one face is parallel to the length direction of the connecting groove.
In some embodiments of the present application, the signal adapter includes a collision cap, a connection arm, a fixing seat and a circular boss, which are connected in sequence, wherein the collision cap and the connection arm are suspended in the accommodating cavity and form an i-shaped structure with the fixing seat; the fixing seat is fixedly supported on the printed circuit board, and the circular boss extends into the metalized hole in the printed circuit board and is electrically connected with the side wall of the metalized hole.
In some embodiments of the application, one end of the interference cap, which is far away from the fixed seat, is provided with an anti-clamping groove, and a quasi-hemispherical structure is formed.
In some embodiments of the present application, the test system is connected to a high-speed line module for testing, the high-speed line module has a fourth connecting surface, and the high-speed line module is provided with signal terminals and grounding terminals which extend out of the fourth connecting surface; the signal terminal and the grounding terminal are both in a fisheye shape and are provided with flat surfaces; the fourth butt joint surface of the high-speed line module is in butt joint with the first butt joint surface of the fixing piece; the signal terminal extends into the butt joint cavity, and the flat surface of the signal terminal is contacted with the second end interference surface of the signal transfer pin; the grounding terminal is inserted into the connecting groove, is clamped by the plurality of protruding pieces on the side wall of the connecting groove together, and the flat surface of the grounding terminal is in contact and abutting contact with the free tail end interference surfaces of the plurality of protruding pieces.
In some embodiments of the present application, each of the fisheye-shaped structures of the signal terminal and the ground terminal includes a connecting portion, a fisheye portion and a contact portion connected in sequence, and a width of the fisheye portion of the signal terminal is smaller than an entrance width of the docking cavity; the width of the fisheye part of the grounding terminal is smaller than the width of the entrance of the connecting groove.
Has the advantages that:
the test system for the high-speed line module provides an insertion space for the signal terminal through the matching of the shielding piece, the shielding cavity, the insulating piece and the butt joint cavity; cooperate through holding chamber and signal switching needle, ensure signal terminal and signal terminal contact conduction, signal switching needle is receiving simultaneously signal terminal only takes place slight deformation when conflicting, can avoid signal terminal to take place to warp like this, makes signal terminal is protected.
This application is used for test system of high-speed line module, cooperatees through spread groove and bellying, both can guarantee that ground terminal and shielding part, mounting and printed circuit board constitute to be connected electrically, realize the shielding effect, and simultaneously, ground terminal is getting the dress in-process, can effectively prevent to warp.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a test system provided herein;
FIG. 2 is a schematic structural view of a shield of the test system provided herein;
FIG. 3 is an enlarged view of a portion of the structure of the attachment slot and the protruding member of the test system provided herein;
FIG. 4 is a schematic assembled shield and insulator configuration of the test system provided herein;
FIG. 5 is a schematic diagram of the structure of the insulator of the test system provided herein;
FIG. 6 is a schematic cross-sectional view of the test system of FIG. 1;
FIG. 7 is a schematic structural diagram of a signal transfer pin of the test system provided in the present application;
FIG. 8 is a schematic diagram of a high speed line module for testing in the test system provided in the present application;
FIG. 9 is a schematic diagram illustrating a docking state of the test system provided in the present application when testing a high speed line module;
FIG. 10 is a cross-sectional view in one direction of FIG. 9;
fig. 11 is another sectional view of fig. 9.
The main reference numbers in the drawings accompanying the present specification are as follows:
the testing system for the high-speed line module 1, the fixing member 11, the docking slot 12, the accommodating space 13, the cover plate 141, the first positioning hole 142, the second positioning hole 143, the shielding member 15, the shielding cavity 151, the connecting slot 152, the protruding member 153, the first protrusion 1531, the second protrusion 1532, the signal transferring pin 16, the abutting cap 161, the anti-jamming slot 1611, the connecting arm 162, the fixing seat 163, the circular boss 164, the insulating member 17, the docking cavity 171, the accommodating cavity 172, the printed circuit board 18, the high-speed line module 2, the signal terminal 21, and the ground terminal 22.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present application provides a test system for a high-speed line module, which is described in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments in this application. In the following embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to related descriptions of other embodiments for parts that are not described in detail in a certain embodiment.
Referring to fig. 1, an embodiment of the present invention provides a test system 1 for a high-speed line module (hereinafter referred to as a test system 1), which includes a fixing member 11, a shielding member 15, a signal transfer pin 16 (not shown in fig. 1, but described in detail later), an insulating member 17 (not shown in fig. 1, but described in detail later), and a printed circuit board 18.
The fixing member 11 has a first abutting surface and a first fixing surface, which are oppositely arranged, the first fixing surface is fixed on the printed circuit board 18, and the first abutting surface is used for abutting with a high-speed line module so as to test the high-speed line module. The first abutting surface is recessed towards the first fixing surface to form an abutting groove 12, and an accommodating space 13 is arranged at the bottom of the abutting groove 12. Specifically, the accommodating space 13 includes a plurality of mounting grooves (not numbered) that are disposed side by side in a staggered manner and communicate with each other. Of course, the accommodating space 13 may only include one mounting groove according to actual requirements. However, the number of the mounting grooves is not limited in the present application, and the number can be determined according to actual test requirements.
Referring to fig. 2 and fig. 3, the shielding element 15 is installed in the accommodating space 13 and has a second abutting surface and a second fixing surface that are opposite to each other, the second fixing surface is fixed on the printed circuit board 18, and the second abutting surface is used for abutting against the high-speed circuit module. A shielding cavity 151 penetrating through the shielding member 15 is disposed between the second abutting surface and the second fixing surface, and a connecting groove 152 is disposed in the second abutting surface in a direction extending toward the second fixing surface. The coupling groove 152 has a length smaller than that of the shielding chamber 151. The side wall of the connecting groove 152 is provided with a plurality of protruding parts 153 protruding towards the center of the connecting groove 152, and the plurality of protruding parts 153 are distributed in the length direction of the connecting groove 152 in a staggered manner. In the embodiment shown in fig. 3, the plurality of protrusion members 153 include a first protrusion 1531 disposed on one side wall of the connecting groove 152 and a second protrusion 1532 disposed on the opposite side wall of the connecting groove 152, and a connection line between a free end of the first protrusion 1531 and a free end of the second protrusion 1532 is substantially located at a central line of the connecting groove 152 in a length direction. Further, the first protrusion 1531 and the second protrusion 1532 are both substantially in a trapezoid structure, and have a plurality of faces suspended in the connecting groove 152, and at least one face is parallel to the length direction of the connecting groove 152. The shield 15 is made of a conductive material.
In the embodiment shown in fig. 2, the number of the shielding cavities 151 and the connecting grooves 152 is plural, and the shielding cavities 151 and the connecting grooves 152 are arranged at equal intervals in the width direction of the shielding member 15, and the shielding cavities 151 and the connecting grooves 152 are alternately arranged. Of course, the number of the shielding cavities 151 and the connecting slots 152 may be one, if necessary. Shielding cavity the shielding cavity is not limited in the present application to the number of the shielding cavities 151 and the connecting grooves 152, and may be determined according to actual testing requirements.
In the embodiment shown in fig. 1, only one shielding element 15 is shown and is installed in one installation groove of the accommodating space 13, but of course, the number of the shielding elements 15 may also be multiple, and correspondingly, the number of the installation grooves is also multiple.
Referring to fig. 4, 5 and 6, the insulating member 17 is installed in the shielding cavity 151, and has a third abutting surface and a third fixing surface which are oppositely arranged, the third fixing surface is fixed on the printed circuit board 18, and the third abutting surface is used for abutting against the high speed line module. The third butt joint face is concavely provided with a butt joint cavity 171 in the direction of the third fixing face, the third fixing face is concavely provided with an accommodating cavity 172 in the direction of the third butt joint face, the butt joint cavity 171 is communicated with the accommodating cavity 172 in the length direction of the insulating part 17, the butt joint cavity and the accommodating cavity 172 are distributed in a staggered manner, and an overlapping area is formed in the width direction of the insulating part 17. The length of the docking chamber 171 is smaller than the length of the receiving chamber 172.
Referring to fig. 6 and 7, the signal adapting pin 16 is installed in the accommodating cavity 172, and a first end of the signal adapting pin is fixed on the printed circuit board 18, and a second end of the signal adapting pin is in a free state in the accommodating cavity 172. More specifically, the second end of the signal adapting pin 16 is located in the overlapping area of the docking cavity 171 and the accommodating cavity 172. Further, a quasi-hemispherical structure is protruded from the second end of the signal adapter pin 16 to the periphery. The signal switching pin 16 is made of a conductive material.
In the embodiment shown in fig. 7, the signal adapter 16 includes an interference cap 161, a connecting arm 162, a fixing seat 163 and a circular boss 164, which are connected in sequence, and the interference cap 161 and the connecting arm 162 are suspended in the accommodating cavity 172 and form an i-shaped structure with the fixing seat 163. The fixing base 163 is fixedly supported on the printed circuit board 18, and the circular boss 164 extends into a metalized hole on the printed circuit board 18 and is electrically connected with a sidewall of the metalized hole. The connecting arm 162, the fixing seat 163 and the circular boss 164 are all cylinder structures, and the diameter of the interference cap 161 and the fixing seat 163 is greater than that of the connecting arm 162 and the circular boss 164. More specifically, an anti-clipping groove 1611 is disposed at an end of the interference cap 161 away from the fixing base 163, and forms a quasi-hemispherical structure.
The test system is used for testing the high-speed line module. Referring to fig. 8, a high-speed cable module 2 has a fourth mating surface, and the high-speed cable module 2 is provided with a signal terminal 21 and a ground terminal 22 extending from the fourth mating surface; the signal terminals 21 and the ground terminals 22 are both in the shape of fisheyes and have flat surfaces. More specifically, the fisheye-shaped structure comprises a connecting part, a fisheye part and a contact part which are connected in sequence, the connecting part, the fisheye part and the contact part are all provided with flat surfaces, and the width of the fisheye part is greater than the width of the connecting part and the width of the contact part.
Referring to fig. 9, 10 and 11, when the test system 1 of the present application tests the high-speed wire module 2, the fourth mating surface of the high-speed wire module 2 is mated with the first mating surface of the fixing member 11, the signal terminal 21 extends into the mating cavity 171, and its flat surface contacts with the second end interference surface of the signal transfer pin 16. More specifically, the flat surfaces of the signal terminals 21 contact the quasi-hemispherical structure of the second ends of the signal transfer pins 16. Since the length of the mating cavity 171 is smaller than that of the receiving cavity 172, and the signal transfer pin 16 is received in the receiving cavity 172, and the second end is in a free state, when the signal terminal 21 is in interference contact, the second end of the signal transfer pin 16 has greater elasticity and deviates from the center line thereof, so that the possibility that the signal terminal 21 is deformed by the interference contact is reduced greatly, and even may not be deformed.
In a specific implementation, the width of the fisheye portion of the signal terminal 21 is smaller than the entrance width of the mating cavity 171. In order to ensure that the fisheye part is not in contact with the wall of the butt joint cavity 171 in the inserting and taking process, so that the fisheye-shaped signal terminal 21 is better protected.
The ground terminal 22 is inserted into the connecting groove 152, and is clamped by the plurality of protruding pieces 153 on the side wall of the connecting groove 152, and the flat surface thereof is in contact abutment with the free end interference surfaces of the plurality of protruding pieces 153. Therefore, the ground terminal 22 is not deformed by the interference contact. Further, the first protrusion 1531 abuts against a flat surface of the contact portion of the ground terminal 22, and the second protrusion 1532 abuts against a flat surface of the connection portion of the ground terminal 22. In this way, the interference force of the first protrusion 1531 and the second protrusion 1532 on the ground terminal 22 is balanced, so that the ground terminal 22 is not easily deformed.
In a specific embodiment, the width of the fisheye portion of the ground terminal 22 is smaller than the width of the entrance of the connecting slot 152.
The sealing plate and the sealing cover plate shielding cavity of the sealing cover plate are used for a testing system of a high-speed line module, and an inserting space is provided for a signal terminal 21 through the matching of the shielding piece 15, the shielding cavity 151, the insulating piece 17 and the butt joint cavity 171; the accommodating cavity 172 is matched with the signal transfer pin 16, so that the contact conduction between the signal terminal 21 and the signal terminal 21 is ensured, and meanwhile, the signal transfer pin 16 is only slightly deformed when being collided by the signal terminal 21, so that the signal terminal 21 is prevented from being deformed, and the signal terminal 21 is protected.
This application is used for high-speed line module's test system, cooperatees through spread groove 152 and bellying 153, both can guarantee that ground terminal 22 and shielding part 15, mounting 11 and printed wiring board 18 constitute and be connected electrically, realize the shielding effect, and simultaneously, ground terminal 22 can effectively prevent to warp at getting the dress in-process.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims. In addition, the principle and the implementation manner of the present application are explained by applying specific examples in the specification, the above description of the embodiments is only for helping understanding the method and the core idea of the present application, and the content of the present application should not be construed as limiting the present application.
Claims (10)
1. A test system for a high-speed line module is characterized by comprising a fixing piece, a shielding piece, a signal switching pin, an insulating piece and a printed circuit board;
the fixing piece is provided with a first butting surface and a first fixing surface which are oppositely arranged, and the first fixing surface is fixed on the printed circuit board; the first butt joint surface is sunken towards the direction of the first fixing surface to form a butt joint groove, and an accommodating space is formed at the groove bottom of the butt joint groove;
the shielding piece is arranged in the accommodating space and is provided with a second butting surface and a second fixing surface which are oppositely arranged, and the second fixing surface is fixed on the printed circuit board; a shielding cavity penetrating through the shielding piece is arranged between the second butt joint surface and the second fixing surface, and a connecting groove is formed in the second butt joint surface in a direction extending towards the second fixing surface; a plurality of protruding parts are convexly arranged on the side wall of the connecting groove towards the center of the connecting groove;
the insulating piece is arranged in the shielding cavity and is provided with a third butting surface and a third fixing surface which are oppositely arranged, and the third fixing surface is fixed on the printed circuit board; the third butt joint surface is concavely provided with a butt joint cavity towards the third fixing surface, the third fixing surface is concavely provided with an accommodating cavity towards the third butt joint surface, and the butt joint cavity is communicated with the accommodating cavity in the length direction of the insulating part;
the signal switching pin is arranged in the accommodating cavity, the first end of the signal switching pin is fixed on the printed circuit board, and the second end of the signal switching pin is in a free state in the accommodating cavity.
2. The test system for the high-speed wire module according to claim 1, wherein the docking cavity and the accommodating cavity are distributed in a staggered manner in a length direction of the insulating member, and have an overlapping area in a width direction of the insulating member.
3. The test system for the high-speed line module according to claim 1, wherein the length of the docking cavity is smaller than the length of the accommodating cavity.
4. The test system for the high-speed line module according to claim 1, wherein the plurality of protruding members are distributed in a staggered manner in a length direction of the connecting groove.
5. The system according to claim 4, wherein the plurality of protrusions includes a first protrusion disposed on one sidewall of the connecting groove and a second protrusion disposed on the opposite sidewall of the connecting groove, and a line connecting a free end of the first protrusion and a free end of the second protrusion is substantially located at a center line of a length direction of the connecting groove.
6. The test system for the high-speed line module according to claim 5, wherein the first bump and the second bump are each substantially in a trapezoidal structure having a plurality of faces suspended in the connecting groove, and at least one face is parallel to the length direction of the connecting groove.
7. The system for testing the high-speed line module according to claim 1, wherein the signal adapter pin comprises a collision cap, a connecting arm, a fixed seat and a circular boss which are sequentially connected, the collision cap and the connecting arm are arranged in the accommodating cavity in a suspended manner, and form an I-shaped structure with the fixed seat; the fixing seat is fixedly supported on the printed circuit board, and the circular boss extends into the metalized hole in the printed circuit board and is electrically connected with the side wall of the metalized hole.
8. The system according to claim 7, wherein an anti-seizing groove is formed at an end of the interference cap away from the fixing base, and a quasi-hemispherical structure is formed.
9. The test system for the high-speed line module according to claim 1, wherein the test system is connected with a high-speed line module for testing, the high-speed line module is provided with a fourth butt-joint surface, and signal terminals and grounding terminals on the high-speed line module extend out of the fourth butt-joint surface; the signal terminal and the grounding terminal are both in a fisheye shape and are provided with flat surfaces; the fourth butt joint surface of the high-speed line module is in butt joint with the first butt joint surface of the fixing piece; the signal terminal extends into the butt joint cavity, and the flat surface of the signal terminal is contacted with the second end interference surface of the signal transfer pin; the grounding terminal is inserted into the connecting groove, is clamped by the plurality of protruding pieces on the side wall of the connecting groove together, and the flat surface of the grounding terminal is in contact and abutting contact with the free tail end interference surfaces of the plurality of protruding pieces.
10. The test system for the high-speed line module according to claim 9, wherein the fisheye-shaped structures of the signal terminal and the ground terminal each comprise a connecting portion, a fisheye portion and a contact portion which are connected in sequence, and the width of the fisheye portion of the signal terminal is smaller than the width of the entrance of the docking cavity; the width of the fisheye part of the grounding terminal is smaller than the width of the entrance of the connecting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210704490.8A CN115036755B (en) | 2022-06-21 | 2022-06-21 | Test system for high-speed wire module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210704490.8A CN115036755B (en) | 2022-06-21 | 2022-06-21 | Test system for high-speed wire module |
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| CN115036755A true CN115036755A (en) | 2022-09-09 |
| CN115036755B CN115036755B (en) | 2024-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639380A (en) * | 2022-12-23 | 2023-01-24 | 四川华丰科技股份有限公司 | Power simulator and simulation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410517A (en) * | 2015-07-29 | 2017-02-15 | 富士康(昆山)电脑接插件有限公司 | Electric connector and combination thereof |
| US20210351548A1 (en) * | 2020-05-05 | 2021-11-11 | Dongguan Luxshare Technologies Co., Ltd | High-speed connector |
| CN113900013A (en) * | 2021-10-20 | 2022-01-07 | 北京航天测控技术有限公司 | Signal transmission device and equipment |
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2022
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| CN106410517A (en) * | 2015-07-29 | 2017-02-15 | 富士康(昆山)电脑接插件有限公司 | Electric connector and combination thereof |
| US20210351548A1 (en) * | 2020-05-05 | 2021-11-11 | Dongguan Luxshare Technologies Co., Ltd | High-speed connector |
| CN113900013A (en) * | 2021-10-20 | 2022-01-07 | 北京航天测控技术有限公司 | Signal transmission device and equipment |
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| CN115639380A (en) * | 2022-12-23 | 2023-01-24 | 四川华丰科技股份有限公司 | Power simulator and simulation method |
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| CN115036755B (en) | 2024-05-03 |
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