Portable miniaturized module three-temperature test fixture

Abstract

The utility model relates to the technical field of optical communication, in particular to a portable miniaturized module three-temperature test fixture, which comprises a fixture base, a fixture upper cover arranged at the upper end of the fixture base, a fixture bracket arranged at the lower end of the fixture base, a temperature sensing line pressing rod arranged at the upper end of the fixture upper cover, and a tested module arranged at one end of the fixture upper cover. A test board high-frequency line is arranged at the lower end of the clamp base, air supply is achieved through the direct-through external air pipe installed on the clamp, the size of the clamp is greatly reduced, the overall size of the clamp is 190 mm in length, 150 mm in width and 120 mm in height, the clamp is convenient to carry and disassemble while the module research and development test requirement is met, and under the condition that the test clamp is assembled, the test efficiency is greatly improved. According to the utility model, plugging of the tested optical module and contact of the temperature sensing probe can be completed only by inserting the tested module to the bottom and pressing the temperature sensing line pressing rod, the inner wall of the clamp upper cover is a limiting surface of the tested module, the module touches the limiting surface after being directly inserted to the bottom, and the reliability of pins of the socket of the test board is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical communication technical field especially relates to a portable miniaturized module three temperature test fixture. BACKGROUND

[0002] With the development of digital communication technology and artificial intelligence technology, the rate requirement and reliability of communication system transmission of data center and intelligent algorithm center gradually improve, wherein, the transmission rate requirement of existing optical module reaches 800Gbps, and the module needs to work stably and reliably in the temperature range of 0 DEG C to 70 DEG C for a long time, based on such requirement, whether research and development verification or batch production, three temperature test of optical module is particularly important, which also puts forward higher requirement to three temperature test fixture.

[0003] For optical module research and development stage, the performance index of module under three temperature environment needs to be focused on, especially the accuracy of these performance indexes, therefore, three temperature test environment is extremely important, although the cover gas supply mode of traditional heat flow instrument is feasible in batch production, due to the relatively large size of the cover, the size of the corresponding fixture also needs to conform to the size of the cover, so the effective gas supply space in the fixture module is relatively large, the larger gas supply space will lead to the difficulty in accurately controlling the temperature and airflow conditions of the test environment when carrying out three temperature test of optical module, thereby affecting the test accuracy to a certain extent, the larger fixture size may increase the equipment occupied space, which is not conducive to the space utilization and layout of laboratory and other places. At the same time, it may also increase the manufacturing cost and maintenance difficulty of the equipment.

[0004] According to the characteristics of research and development verification, the size of the fixture is as small as possible, the fixture is convenient to carry and easy to disassemble, so that the module development verification becomes flexible, which also needs to be considered, therefore, how to balance the requirements of module three temperature test and the portability of the fixture is the concern of the designer. UTILITY MODEL CONTENT

[0005] In view of the problem that the larger size of the fixture makes the effective gas supply space in the module relatively large, leading to the difficulty in accurately controlling the temperature and airflow conditions of the test environment when carrying out three temperature test of optical module, the utility model is provided.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a portable miniaturized module three temperature test fixture, including fixture base, the upper end of the fixture base is provided with fixture upper cover, the lower end of the fixture base is provided with fixture support, the upper end of the fixture upper cover is provided with temperature sensing wire pressure rod, one end of the fixture upper cover is provided with measured module, the lower end of the fixture base is provided with test board high frequency wire.

[0007] As a preferred scheme of the portable miniaturized module three-temperature test fixture, the temperature sensing wire supporting rod is arranged in the temperature sensing wire pressing rod, the mounting holes are arranged at the two ends of the fixture upper cover, and the temperature sensing wire supporting rod is arranged in the mounting holes.

[0008] As a preferred scheme of the portable miniaturized module three-temperature test fixture, the spring mounting groove is arranged at one end of the fixture upper cover, the spring is arranged in the spring mounting groove, one end of the spring is connected with the temperature sensing wire pressing rod, and the temperature sensing probe is arranged at one end of the temperature sensing wire pressing rod.

[0009] As a preferred scheme of the portable miniaturized module three-temperature test fixture, the air pipe direct through is arranged at one end of the fixture upper cover, and the air inlet pipe is arranged at one end of the air pipe direct through.

[0010] As a preferred scheme of the portable miniaturized module three-temperature test fixture, the test plate groove is arranged at the upper end of the fixture base, the optical module test plate is arranged in the test plate groove, the test plate interface is arranged at the upper end of the optical module test plate, and the test plate switch is arranged at one side of the test plate interface.

[0011] As a preferred scheme of the portable miniaturized module three-temperature test fixture, the module limiting wall is arranged in the fixture base, the end of the measured module is connected with the module limiting wall, and the test plate socket is arranged at one end of the measured module.

[0012] The portable miniaturized module three-temperature test fixture has the following beneficial effects.

[0013] 1. The three-temperature fixture does not need a heat flow meter cover to be buckled thereon for air supply, air supply is realized in the mode that the straight-through external air pipe is arranged on the fixture, the size of the fixture is greatly reduced, the overall size of the fixture is 190mm in length, 150mm in width and 120mm in height, the module development test requirements are met, and the fixture is convenient to carry and disassemble.

[0014] 2. When the test fixture is assembled, the measured optical module can be inserted and pressed, and the temperature sensing probe can be contacted, so that temperature measurement is realized at the same position, the batch test accuracy is ensured, the inner wall of the fixture upper cover is the limiting surface of the measured module, the module is directly inserted to the limiting surface, the reliability of the test plate socket pin is protected, the length of the temperature sensing wire pressing rod is adjustable, and optical module tests of different heights caused by different packaging forms are compatible.

[0015] 3. The fixture test board structure layout is optimized, the test board interface and switch are placed on the front face of the test board, and the test high-frequency line is placed on the back face, so that the layout avoids interference of the test high-frequency line cable, simplifies the design of the fixture, and makes the fixture upper cover not need to cover the test board, the test board interface and switch are placed on the back face of the test board, wiring and switch operation are facilitated, and the convenience and efficiency of operation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2 It is a front view and a schematic diagram of the width and height structure of the present application.

[0019] Figure 3 It is a schematic diagram of the side cross-section and length structure of the present application.

[0020] Figure 4 It is a schematic diagram of the side cross-section and length structure of the present application. Figure 1 It is an enlarged schematic diagram of the structure at A in the present application.

[0021] Figure 5 It is an enlarged schematic diagram of the structure at B in the present application. Figure 3 It is an enlarged schematic diagram of the structure at B in the present application.

[0022] Explanation of reference signs:

[0023] 1, fixture base; 2, fixture upper cover; 3, fixture support; 41, temperature sensing line pressing rod; 42, temperature sensing line supporting rod; 43, mounting hole; 5, measured module; 6, spring mounting groove; 71, air pipe straight through; 72, air inlet pipe; 81, test board groove; 82, optical module test board; 83, test board interface; 84, test board switch; 9, test board high-frequency line; 10, module limiting wall; 11, test board socket; 12, temperature sensing probe. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0025] Embodiment 1

[0026] Reference Figures 1-5The utility model provides a portable miniaturized module three temperature test clamp, including clamp base 1, the upper end of clamp base 1 is fixedly installed with clamp upper cover 2 through screw bolt, clamp upper cover 2 and clamp base 1 are connected combination and form sealed space, realize module fast temperature change, one end of clamp upper cover 2 is fixedly connected with air pipe direct penetration 71, one end of air pipe direct penetration 71 is fixedly connected with air inlet pipe 72, on the basis of the gas supply mode of traditional heat flow instrument cover, clamp realizes gas supply by the way of straight insertion air inlet pipe 72, because heat flow instrument cover does not need to be buckled on the clamp, therefore the overall size of clamp can reach the size of 190mm in length, 150mm in width, 120mm in height, while meeting the module research and development test requirement, it is convenient to carry and disassemble.

[0027] The lower end of the clamp base 1 is fixedly installed with a clamp support 3 through screw bolts, the clamp support 3 is used for supporting and fixing the entire equipment, a test plate groove 81 is formed in the upper end of the clamp base 1, a plurality of screw holes are formed in the test plate groove 81, an optical module test plate 82 is fixedly installed in the test plate groove 81 through screws and screw holes, a test plate interface 83 and a test plate switch 84 are fixedly installed at the upper end of the optical module test plate 82, the optical module test plate 82 is installed in the test plate groove 81 at the upper end of the clamp base 1, so that the position of the optical module test plate 82 is fixed and not easy to move, a test plate high-frequency wire 9 is fixedly installed at the lower end of the clamp base 1, the test plate interface 83 and the test plate switch 84 are placed on the front surface of the test plate, and the test plate high-frequency wire 9 is placed on the back surface, such a layout avoids the interference of the test plate high-frequency wire 9, simplifies the design of the clamp, and makes the clamp upper cover 2 not need to cover the optical module test plate 82 completely, the test plate interface 83 and the test plate switch 84 are placed behind the optical module test plate 82, which is convenient for wiring and switch operation, and improves the convenience and efficiency of operation.

[0028] A temperature sensing wire pressing rod 41 is fixedly installed at the upper end of the clamp upper cover 2, a temperature sensing wire supporting rod 42 is fixedly and penetratively installed in the temperature sensing wire pressing rod 41, mounting holes 43 are formed at the two ends of the clamp upper cover 2, and the two ends of the temperature sensing wire supporting rod 42 are penetratively and rotatably installed in the mounting holes 43 in the clamp upper cover 2, so that the temperature sensing wire supporting rod 42 drives the temperature sensing wire pressing rod 41 to rotate in the clamp upper cover 2.

[0029] A measured module 5 is slidably inserted at one end of the clamp upper cover 2, a spring installation groove 6 is formed below one end of the temperature sensing wire pressing rod 41 in the clamp upper cover 2, a spring is fixedly installed in the spring installation groove 6, one end of the spring abuts against the temperature sensing wire pressing rod 41, a temperature sensing probe 12 is fixedly installed at the tail end of the temperature sensing wire pressing rod 41, and the spring is used for driving the temperature sensing wire pressing rod 41 to return, so that the temperature sensing probe 12 is fixed on the measured module 5.

[0030] The module limiting wall 10 is fixedly installed in the clamp base 1, the end of the measured module 5 is in abutment connection with the module limiting wall 10, and one end of the measured module 5 is fixedly connected with the test plate socket 11.

[0031] The specific operation principle of the utility model is as follows:

[0032] First, the clamp base 1 and the clamp support 3 and the clamp base 1 and the clamp upper cover 2 are fixedly installed together by screws and bolts, so that the clamp base 1 and the clamp upper cover 2 are combined to form a sealed space, the rapid temperature change of the module is realized, then the optical module test plate 82 is fixed on the test plate groove 81 formed in the clamp upper cover 2 by screws, then the temperature sensing wire pressing rod 41 is fixedly installed in the installation hole 43 at both ends of the clamp upper cover 2 through the temperature sensing wire supporting rod 42, so that the temperature sensing wire pressing rod 41 can rotate in the clamp upper cover 2, then the spring is installed in the spring installation groove 6, so that the spring can make the temperature sensing wire pressing rod 41 rebound, so that the temperature sensing wire can be fixed on the measured module 5, then the air pipe straight through 71 is communicated and installed at one end of the clamp upper cover 2, the other end of the air pipe straight through 71 is fixedly installed on the air inlet pipe 72, and the assembly of the clamp is completed.

[0033] Then, the measured module 5 is inserted into the clamp, and when the end of the measured module 5 abuts against the module limiting wall 10 in the clamp upper cover 2, the insertion is stopped, and the test plate socket 11 is protected, then the temperature sensing wire pressing rod 41 is pressed, the insertion and pressing of the measured module 5 are completed, and the temperature sensing wire is in contact and fixed, then the air inlet pipe 72 supplies air to the clamp, and the measured module 5 can be detected.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model, and all should be covered in the scope of the claims of the utility model.

Claims

1. A portable, miniaturized module three-temperature test fixture comprising a fixture base (1), characterized in that, The upper end of the clamp base (1) is provided with a clamp upper cover (2), the lower end of the clamp base (1) is provided with a clamp support (3), the upper end of the clamp upper cover (2) is provided with a temperature sensing wire pressing rod (41), one end of the clamp upper cover (2) is provided with a measured module (5), and the lower end of the clamp base (1) is provided with a test board high-frequency wire (9).

2. The compact module three-temperature test fixture of claim 1, wherein A temperature sensing wire supporting rod (42) is arranged in the temperature sensing wire pressing rod (41), and mounting holes (43) are formed in the two ends of the clamp upper cover (2).

3. The compact module three-temperature test fixture of claim 2, wherein A spring mounting groove (6) is formed in one end of the clamp upper cover (2), a spring is arranged in the spring mounting groove (6), one end of the spring is connected with the temperature sensing wire pressing rod (41), and a temperature sensing probe (12) is arranged at one end of the temperature sensing wire pressing rod (41).

4. The compact module three-temperature test fixture of claim 2, wherein One end of the clamp upper cover (2) is communicated with a trachea through pipe (71), and one end of the trachea through pipe (71) is communicated with an air inlet pipe (72).

5. The compact module three-temperature test fixture of claim 1, wherein The upper end of the clamp base (1) is provided with a test board groove (81), the test board groove (81) is provided with a light module test board (82), the upper end of the light module test board (82) is provided with a test board interface (83), and one side of the test board interface (83) is provided with a test board switch (84).

6. The compact module three-temperature test fixture of claim 1, wherein The clamp base (1) is provided with a module limiting wall (10), the distal end of the measured module (5) is connected in abutment with the module limiting wall (10), and one end of the measured module (5) is provided with a test board socket (11).

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