Multi-measuring-position three-temperature error code testing device

Abstract

The utility model relates to a multi-measuring-position three-temperature error code testing device which comprises a box body, a testing mechanism and a gas supply mechanism used for supplying high-temperature or low-temperature gas to the testing mechanism. Each testing mechanism comprises a testing plate with a port connected with a tested element, a loading piece internally provided with a testing cavity, and an air delivery pipe inserted on the loading piece and communicated with the air supply mechanism, in each testing mechanism, two testing plates are arranged in parallel and oppositely, the loading piece is fixedly connected between the two testing plates, the number of the testing cavities is two, and the air delivery pipe is communicated with the air supply mechanism. The ports on the test plates are located in the test cavities in a one-to-one correspondence manner, each test cavity is provided with an opening for a tested element to be inserted therein, a first air inlet and a first air outlet which are communicated with the air delivery pipe, and the test mechanism also comprises a pair of drying assemblies which are respectively arranged at the openings of the two test cavities and are used for isolating external air. The device is small, portable and compact in structure, and not only is the convenience of the device improved, but also the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multi-measuring position three-temperature error code testing devices, applicable to electronic device test technical field. BACKGROUND

[0002] Error code testing device is used for the equipment of error code testing of high-speed module such as optical module, is widely applied in communication, aerospace, semiconductor etc. industry.In the error code testing of optical module, to ensure the comprehensiveness of test result, optical module is usually placed in different temperature environment, to evaluate the reliability and stability of optical module running in different environments, existing three-temperature error code testing equipment can be generally divided into two categories, one is by error code instrument and cold and hot impact equipment cooperation, error code instrument carries out error code testing to optical module, and through cold and hot impact equipment, high temperature, low temperature or normal temperature gas is delivered to optical module, the structure of this kind of device is usually relatively loose, error code instrument and cold and hot impact equipment are two separate devices, although multiple optical modules can be tested simultaneously, but the whole device is too complicated, not only inconvenient to move, carry, assemble and maintain, and it is also quite tedious, which can affect test efficiency.

[0003] Another kind of equipment is through TEC temperature source, by contacting TEC with optical module, to provide test temperature to optical module, this kind of equipment is usually all-in-one machine, structure is small and neat, but since TEC needs to be attached to optical module to provide test temperature, so each optical module test site needs to be set up corresponding TEC to provide temperature. However, in addition to the cooling fin in each TEC component, there is also a supporting water cooling row for heat dissipation, the whole TEC component will occupy not small cabinet space, which leads to that the test position provided by the equipment is limited, multiple optical modules cannot be tested simultaneously, which also adversely affects test efficiency.In addition, there is actual contact between TEC and optical module during testing, optical module is easy to be scratched or worn when plugging and unplugging;And the water cooling row in TEC component is also easy to leak in long time use, which can cause short circuit and damage of optical module. UTILITY MODEL CONTENTS

[0004] In order to solve the defects existing in the prior art, the utility model provides a kind of multi-measuring position three-temperature error code testing device.

[0005] The utility model discloses a technical scheme is a kind of multi-measuring three-temperature error code testing device, including box, at least one test mechanism being arranged in box, for the gas supply mechanism for test mechanism to supply high temperature or low temperature gas, test mechanism includes the test board with the port of connecting measured element, the loading piece with test cavity inside, the gas pipe being inserted in loading piece and being connected with gas supply mechanism, in each test mechanism, test board has two and is mutually parallel and oppositely arranged, loading piece is fixedly connected between two test boards, test cavity has two, and the port on each test board is located in each test cavity one by one, each test cavity has the opening for measured element inserted therein, first gas inlet, first gas outlet being connected with gas pipe, test mechanism further includes a pair of drying components respectively being arranged at the opening of two test cavities and being used for isolating external air. By being provided with two straight insertion type error code test boards in test mechanism, and being provided with two corresponding test cavities in loading piece, so that each test mechanism can simultaneously supply two optical modules for error code test, then high-low temperature gas supplied by gas supply mechanism is introduced into two test cavities respectively by gas pipe, realize three-temperature test of optical module, and drying component is arranged at test cavity opening, avoid condensation, frosting problem caused by low temperature gas. By oppositely arranging two test boards, and being connected by a loading piece, and by one gas pipe respectively for two test cavities to transport test gas, on the basis of realizing three-temperature error code test of optical module, structure is simplified, and the space occupied by test mechanism is reduced, so that enough small box is used to realize enough optical module test, not only improve the convenience of use, carrying of device whole, also cancel complex equipment pipeline, facilitate assembly, maintenance, improve test efficiency;And by gas instead of TEC, not only reduce the volume of temperature component, so that the same size box can be provided with more test sites, also avoid the problem of water leakage in TEC component and cause optical module short circuit, damage.

[0006] Further, the testing device further includes a mounting mechanism arranged in the box and used for fixing the test mechanism, the mounting mechanism includes a chassis fixed to the bottom of the box, a top frame arranged above the chassis, a plurality of support columns connected between the top frame and the chassis, at least one pair of mounting racks fixedly connected between the top frame and the chassis and corresponding to the test mechanism, and each pair of mounting racks is fixedly connected with the test board in the corresponding test mechanism. The test board is connected by the mounting rack, so as to assemble a single test mechanism into an independent module, and then the plurality of mounting racks are fixed between the chassis and the top frame, so that the plurality of test mechanisms can be more closely mounted in the box, improve the space utilization in the box, so as to test a plurality of optical modules at the same time and improve the test efficiency.

[0007] Further, the top of the bottom frame and the bottom of the top frame are each provided with at least one pair of clamping grooves, each mounting frame is clamped in a corresponding pair of clamping grooves, the position of the mounting frame between the top frame and the bottom frame is limited by the clamping grooves, and the stability of the mounting frame is improved; further, the clamping grooves are provided along the front-rear direction, and the mounting frame is connected with the top frame and the bottom frame through bolts, so that the mounting frame can be slidably mounted along the clamping grooves during mounting and dismounting, and the convenience of dismounting is improved.

[0008] Further, each drying assembly comprises a gas conveying member having a drying gas cavity inside, a second gas inlet for connecting a drying gas source and a second gas outlet for blowing drying gas at the opening of the test chamber, which are respectively provided on the gas conveying member, and the second gas inlet and the second gas outlet are in communication with the drying gas cavity. The transmission of drying gas is realized by the gas conveying member, so as to isolate the external air at the opening of the test chamber and prevent the water vapor in the external air from entering the test chamber and causing frosting during low-temperature testing.

[0009] Further, the gas conveying member cover is arranged at the opening of the test chamber, and the middle part of the gas conveying member is provided with a plug-in slot corresponding to the opening of the test chamber, the second gas outlet is provided with a plurality of second gas outlets, and the plurality of second gas outlets are provided on the front face of the gas conveying member and distributed around the plug-in slot. So that the drying gas can form a gas group around the plug-in slot to isolate the water vapor in the external air.

[0010] Further, the drying gas cavity is arranged around the plug-in slot, so that the drying gas blown by the second gas outlet around the plug-in slot is uniform and stable, further improving the sealing performance of the drying gas.

[0011] Further, the test device further comprises a control mechanism connected with the test mechanism and the gas supply mechanism, the control mechanism comprises a main controller, a man-machine interaction panel embedded on the surface of the box, and a temperature sensor arranged in the test chamber and used for monitoring the temperature inside the test chamber, and the man-machine interaction panel and the temperature sensor are electrically connected with the main controller. The test personnel sets the test parameters through the man-machine interaction panel, and controls through the main controller, the main controller monitors the temperature inside the test chamber through the temperature sensor, and controls the gas supply mechanism and the test mechanism according to the internal temperature, so as to realize the automatic test.

[0012] Further, the gas supply mechanism comprises a gas conveying valve arranged on the box and used for connecting an air compressor, a heater used for heating the gas conveyed by the gas conveying valve, and a refrigerating device used for refrigerating the gas conveyed by the gas conveying valve, and the gas conveying valve, the heater and the refrigerating device are electrically connected with the main controller. Specifically, the refrigerating device comprises a compressor, a condenser, a plate heat exchanger and the like, the gas conveyed by the gas conveying valve is heated or refrigerated by the heater and the refrigerating device respectively, and the supply of high-temperature gas or low-temperature gas is realized.

[0013] With the technical scheme, the utility model has the following advantages compared with the prior art:

[0014] The multi-measuring-position three-temperature error code testing device is small, portable and compact in structure, two testing plates are arranged oppositely and connected by a loading piece, and a gas conveying pipe respectively conveys testing gas to the two testing cavities, on the basis of realizing three-temperature error code testing of the optical module, the structure is simplified, the space occupied by the testing mechanism is reduced, enough small boxes are used to realize testing of enough optical modules, the convenience of use and carrying of the device as a whole is improved, complicated equipment pipelines are cancelled, assembly and maintenance are facilitated, and testing efficiency is improved; and the gas replaces the TEC, the volume of the temperature-providing assembly is reduced, more testing positions can be arranged in the same size of box, and the problems of short circuit and damage of the optical module caused by water leakage in the TEC assembly are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Some specific embodiments of the utility model will be described in detail below with reference to the accompanying drawings in an exemplary but non-limiting manner. The same reference signs in the drawings indicate the same or similar mechanisms or parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the drawings:

[0016] Figure 1 is a structural schematic view of one embodiment of the utility model;

[0017] Figure 2 is Figure 1 an internal structural schematic view of the embodiment shown;

[0018] Figure 3 is Figure 1 a structural schematic view of the mounting mechanism in the embodiment shown;

[0019] Figure 4 is Figure 1 a structural schematic view of the testing mechanism in the embodiment shown;

[0020] Figure 5 is Figure 1 an internal structural schematic view of the drying assembly in the embodiment shown;

[0021] Figure 6 is Figure 1 an internal structural schematic view of the testing mechanism in the embodiment shown;

[0022] The reference signs are explained as follows:

[0023] 1, box; 2, test mechanism; 21, test plate; 22, loading piece; 221, test cavity; 222, first air inlet; 223, first air outlet; 23, gas conveying pipe; 24, drying assembly; 241, gas conveying piece; 242, drying gas cavity; 243, second air inlet; 244, second air outlet; 245, plug-in slot; 3, gas supply mechanism; 31, gas conveying valve; 4, mounting mechanism; 41, bottom frame; 42, top frame; 43, support column; 44, mounting frame; 45, clamping slot; 5, control mechanism; 51, main controller; 52, man-machine interaction panel. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] In the description of the present application, it should be noted that the terms "front" and "back" with respect to the direction are defined according to the structure direction of the test device. Specifically, the direction of the opening of the test cavity of the test device is "front", and vice versa. The terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0026] Reference is made to the accompanying drawings Figures 1-6The multi-position three-temperature error code testing device in the embodiment comprises a box body 1, at least one testing mechanism 2 arranged in the box body 1, a gas supply mechanism 3 for supplying high-temperature or low-temperature gas to the testing mechanism 2, the testing mechanism 2 comprises a testing plate 21 having ports connected to the tested elements, a loading piece 22 having testing cavities 221 inside, a gas conveying pipe 23 inserted on the loading piece 22 and connected to the gas supply mechanism 3, in each testing mechanism 2, the testing plate 21 has two and is arranged in parallel and opposite to each other, the loading piece 22 is fixedly connected between the two testing plates 21, the testing cavities 221 have two, and the ports on each testing plate 21 are located in the corresponding testing cavities 221 one by one, each testing cavity 221 has an opening for inserting the tested elements, a first gas inlet 222 connected to the gas conveying pipe 23, and a first gas outlet 223, the testing mechanism 2 further comprises a pair of drying assemblies 24 arranged at the openings of the two testing cavities 221 and used for isolating external air. By arranging two straight insertion error code testing plates 21 in the testing mechanism 2 and opening two corresponding testing cavities 221 in the loading piece 22, each testing mechanism 2 can simultaneously supply two optical modules for error code testing, then the high-temperature or low-temperature gas supplied by the gas supply mechanism 3 is introduced into the two testing cavities 221 through the gas conveying pipe 23, three-temperature testing of the optical modules is realized, and the drying assemblies 24 are arranged at the openings of the testing cavities 221 to avoid condensation and frosting caused by the low-temperature gas. By arranging the two testing plates 21 opposite to each other, connecting them by the loading piece 22, and conveying the test gas to the two testing cavities 221 by the gas conveying pipe 23, the structure can be simplified and the space occupied by the testing mechanism can be reduced on the basis of realizing three-temperature error code testing of the optical modules, so that a small enough box body can be used to test enough optical modules, which not only improves the convenience of using and carrying the device as a whole, but also cancels the complex equipment pipeline, facilitates assembly and maintenance, and improves the testing efficiency; and the gas replaces the TEC, which not only reduces the volume of the temperature-providing assembly, so that more testing positions can be arranged in the same size of the box body, but also avoids the problem of water leakage in the TEC assembly, which causes short circuit and damage of the optical modules.

[0027] In a more preferable embodiment, the testing device further comprises a mounting mechanism 4 arranged in the box 1 and used for fixing the testing mechanisms 2, the mounting mechanism 4 comprises a bottom frame 41 fixed to the bottom of the box 1, a top frame 42 arranged above the bottom frame 41, a plurality of support columns 43 connected between the top frame 42 and the bottom frame 41, and at least one pair of mounting racks 44 fixedly connected between the top frame 42 and the bottom frame 41 and corresponding to the testing mechanisms 2, each pair of mounting racks 44 is fixedly connected with the test board 21 in the corresponding testing mechanism 2. The test board 21 is connected through the mounting racks 44, so that the single testing mechanism 2 is assembled into an independent module, and then the plurality of pairs of mounting racks 44 are fixed between the bottom frame 41 and the top frame 42, so that the plurality of testing mechanisms 2 can be more closely mounted in the box 1, improving the space utilization in the box 1, so that a plurality of optical modules can be tested at the same time, improving the testing efficiency.

[0028] In a more preferable embodiment, the top of the bottom frame 41 and the bottom of the top frame 42 are provided with at least one pair of clamping grooves 45, each pair of mounting racks 44 is clamped in the corresponding pair of clamping grooves 45, the position of the mounting rack 44 between the top frame 42 and the bottom frame 41 is limited through the clamping grooves 45, and the stability of the mounting rack 44 is improved; further, the clamping grooves 45 are arranged along the front-rear direction, and the mounting rack 44 is connected with the top frame 42 and the bottom frame 41 through bolts, so that the mounting rack 44 can be slidably mounted in the clamping groove during installation and disassembly, improving the convenience of disassembly and assembly.

[0029] In a more preferable embodiment, each drying assembly 24 comprises a gas conveying piece 241 with a drying gas cavity 242 inside, a second gas inlet 243 for connecting a drying gas source and a second gas outlet 244 for blowing drying gas at the opening of the test cavity 221 arranged on the gas conveying piece 241 respectively, and the second gas inlet 243 and the second gas outlet 244 are in communication with the drying gas cavity 242. The transmission of drying gas is realized through the gas conveying piece, so as to isolate the external air at the opening of the test cavity 221, preventing the water vapor in the external air from entering the test cavity and causing frosting during low-temperature testing.

[0030] In a more preferable embodiment, the gas conveying piece 241 is arranged at the opening of the test cavity 221, and a plug-in groove 245 corresponding to the opening of the test cavity 221 is arranged in the middle of the gas conveying piece 241, a plurality of second gas outlets 244 are arranged, and the plurality of second gas outlets 244 are arranged on the front face of the gas conveying piece 241 and distributed around the plug-in groove 245, so that the drying gas can form a gas cluster around the plug-in groove 245 to isolate the water vapor in the external air.

[0031] In a more preferable embodiment, the dry air cavity 242 is arranged around the insertion slot 245, so that the dry air blown out of the second air outlet 244 around the insertion slot 245 is uniform and stable, and the sealing property of the dry air is further improved.

[0032] In a more preferable embodiment, the testing device further comprises a control mechanism 5 connected with the testing mechanism 2 and the air supply mechanism 3 respectively, the control mechanism 5 comprises a main controller 51, a man-machine interaction panel 52 embedded on the surface of the box 1, and a temperature sensor (not shown in the figure) arranged in the testing cavity 221 one by one and used for monitoring the temperature inside the testing cavity 221, the man-machine interaction panel 52 and the temperature sensor are electrically connected with the main controller 51. The testing personnel sets the testing parameters through the man-machine interaction panel 52, and controls through the main controller 51, the main controller 51 monitors the temperature inside the testing cavity through the temperature sensor, and controls the air supply mechanism and the testing mechanism according to the internal temperature, so as to realize the automatic testing.

[0033] In a more preferable embodiment, the air supply mechanism 3 comprises an air supply valve 31 arranged on the box 1 and used for connecting the air compressor, a heater (not shown in the figure) used for heating the gas delivered by the air supply valve 31, and a refrigerating device (not shown in the figure) used for refrigerating the gas delivered by the air supply valve 31, the air supply valve 31, the heater and the refrigerating device are electrically connected with the main controller. Specifically, the refrigerating device comprises a compressor, a condenser, a plate heat exchanger and the like, the gas delivered by the air supply valve is heated or refrigerated through the heater and the refrigerating device respectively, so as to realize the supply of high-temperature gas or low-temperature gas.

[0034] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0035] The multi-measuring-position three-temperature error code testing device is small, portable and compact in structure, two testing plates are arranged oppositely and connected by a loading piece, and a gas delivery pipe is used to deliver testing gas to the two testing cavities, so that the structure is simplified and the space occupied by the testing mechanism is reduced, so that a small box can be used to test a large number of optical modules, the overall use and portability of the device are improved, complex equipment pipelines are eliminated, assembly and maintenance are facilitated, and the testing efficiency is improved; and the gas is used to replace the TEC, the volume of the temperature-providing component is reduced, more testing positions can be arranged in the same size box, and the problem of short circuit and damage of the optical module caused by water leakage of the TEC component is avoided.

[0036] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A multi-position three-temperature error rate testing device, characterized in that: The test unit includes a housing (1), at least one test mechanism (2) disposed within the housing (1), and a gas supply mechanism (3) for supplying high-temperature or low-temperature gas to the test mechanism (2). The test mechanism (2) includes a test plate (21) having a port for connecting to the component under test, a loading component (22) having a test chamber (221) inside, and a gas supply pipe (23) inserted into the loading component (22) and connected to the gas supply mechanism (3). In each test mechanism (2), there are two test plates (21) arranged parallel to each other and opposite to each other. (22) Fixedly connected between the two test plates (21), there are two test chambers (221), and the ports on each test plate (21) are located in each test chamber (221) in a corresponding manner. Each test chamber (221) has an opening for inserting the tested element, a first air inlet (222) connected to the air supply pipe (23), and a first air outlet (223). The test mechanism (2) also includes a pair of drying components (24) respectively disposed at the openings of the two test chambers (221) and used to isolate external air.

2. The multi-position three-temperature error rate testing device according to claim 1, characterized in that: The testing device further includes an installation mechanism (4) disposed inside the housing (1) and used to fix the testing mechanism (2). The installation mechanism (4) includes a base frame (41) fixed to the bottom of the housing (1), a top frame (42) disposed above the base frame (41), a plurality of support columns (43) connected between the top frame (42) and the base frame (41), and at least one pair of mounting brackets (44) fixedly connected between the top frame (42) and the base frame (41) and corresponding one-to-one with the testing mechanism (2). Each pair of mounting brackets (44) is fixedly connected to the test plate (21) in the corresponding testing mechanism (2).

3. The multi-position three-temperature error rate testing device according to claim 2, characterized in that: The top of the base frame (41) and the bottom of the top frame (42) are provided with at least one pair of slots (45), and each pair of mounting brackets (44) is engaged in the corresponding pair of slots (45).

4. The multi-position three-temperature error rate testing device according to claim 1, characterized in that: Each of the drying components (24) includes a gas delivery component (241) having a drying air chamber (242) inside, a second air inlet (243) for connecting to a drying air source and a second air outlet (244) for blowing drying gas out at the opening of the test chamber (221), the second air inlet (243) and the second air outlet (244) being in communication with the drying air chamber (242).

5. The multi-position three-temperature error rate testing device according to claim 4, characterized in that: The gas delivery component (241) covers the opening of the test chamber (221), and the gas delivery component (241) has a corresponding insertion slot (245) in the middle, which corresponds to the opening of the test chamber (221). Multiple second air outlets (244) are provided, and multiple second air outlets (244) are opened in front of the gas delivery component (241) and distributed around the insertion slot (245).

6. The multi-position three-temperature error rate testing device according to claim 5, characterized in that: The drying air chamber (242) is arranged around the insertion slot (245).

7. The multi-position three-temperature error rate testing device according to claim 1, characterized in that: The testing device also includes a control mechanism (5) connected to the testing mechanism (2) and the gas supply mechanism (3) respectively. The control mechanism (5) includes a main controller (51), a human-machine interface panel (52) embedded on the surface of the housing (1), and temperature sensors that are set in the testing chamber (221) and used to monitor the internal temperature of the testing chamber (221). The human-machine interface panel (52) and the temperature sensors are both electrically connected to the main controller (51).

8. The multi-position three-temperature error rate testing device according to claim 7, characterized in that: The gas supply mechanism (3) includes a gas supply valve (31) disposed on the housing (1) and used to connect to the air compressor, a heater for heating the gas supplied by the gas supply valve (31), and a cooler for cooling the gas supplied by the gas supply valve (31). The gas supply valve (31), heater, and cooler are all electrically connected to the main controller.

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