CN115988801A - A device and method for cascading test boxes - Google Patents

Abstract

The invention relates to the technical field of test box cascading, and discloses a test box cascading device and a test box cascading method. The device and the method for testing the box cascade are characterized in that the pulling rod is pulled outwards through the nut, the pulling rod pulls the connecting rod outwards through the sliding block, the connecting rod drives the clamping block to move outwards, the sliding block compresses the reset spring, the connector body of the computer is inserted into the signal port, the nut is loosened afterwards, the sliding block drives the clamping block to be inserted into the clamping groove of the connector body through the elasticity of the reset spring, the connector body is fixed in the signal port, and therefore the situation that the connector body falls off in the using process is prevented.

Description

A device and method for cascading test boxes

technical field

The invention relates to the technical field of cascading test boxes, in particular to a device and method for cascading test boxes.

Background technique

A test box refers to an instrument used to test electronic equipment, and cascading can be defined as two or more switches connected to each other in a certain way. According to needs, multiple switches can be cascaded in various ways. Through cascading, multiple test boxes can be connected and used.

In the prior art, during the use of the test box used, the connector of the computer is directly plugged into the port of the test box, and the connector cannot be effectively fixed, so that the connector is easy to fall off during use, so that the test In the case of interruption, secondly, the heat dissipation effect of the existing test box is poor during use, which makes the temperature inside the box higher, thus affecting the normal operation of the test box, and in the ATE test, due to the demand for the number of test channels, usually Multiple test boxes need to be cascaded to meet the number of test ports. When cascading, it is necessary to ensure the bandwidth of the communication signal and the synchronization performance of the synchronization signal. Therefore, it is necessary to invent a device and method for cascading test boxes to solve the above problems.

Contents of the invention

The object of the present invention is to provide a device and method for cascading test boxes to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a device and method for cascading test boxes, including an outer casing, the bottom of the outer casing is fixedly equipped with support feet, and the front of the outer casing is provided with a cabinet door, A testing machine is fixedly installed inside the outer casing, a joint fixing mechanism is provided on the back of the outer casing, and a heat dissipation and ventilation mechanism is arranged on the bottom of the outer casing and the front of the cabinet door.

The joint fixing mechanism includes a joint assembly, a fixing assembly and a clamping assembly, the joint assembly is arranged inside the back end of the outer casing, and the clamping assembly is arranged inside the fixing assembly.

Preferably, the connector assembly includes a signal port, the signal port is arranged on the back of the outer casing, a data line is fixedly installed between the signal port and the testing machine, and a connector body is plugged into the signal port, which facilitates Connect the connector body to the tester.

Preferably, the fixing assembly includes a fixing frame, the fixing frame is fixedly installed on the back of the outer casing, an end cover is arranged outside the fixing frame, and a first bolt is arranged between the end cover and the fixing frame, so that A through hole is opened at the corresponding position of the end cover and the first bolt, a threaded hole is opened at the corresponding position of the fixed frame and the first bolt, and the first bolt is threaded through the through hole and installed in the threaded hole, It is convenient to make the fixed frame fixed and installed.

Preferably, the clamping assembly includes a sliding block, the sliding block is slidably installed inside the fixed frame, the inner side of the sliding block is fixedly installed with a connecting rod, the inside of the fixed frame is fixedly installed with a limit rod, the The outer side of the sliding block is fixedly equipped with a pulling rod, and the end of the pulling rod away from the sliding block is threaded with a nut, and a return spring is fixedly installed between the end cover and the sliding block, and the connecting rod is fixed at one end far away from the sliding block. A clamping block is installed, which is convenient for limiting and fixing the joint body.

Preferably, a through hole is opened at the corresponding position of the sliding block and the limit rod, and the limit rod passes through the through hole, and a through hole is opened at the corresponding position of the inner side of the fixed frame and the connecting rod, and The connecting rod passes through the through hole, and a through hole is opened at the corresponding position of the end cover and the pulling rod, and the pulling rod passes through the through hole, so that the sliding block can be limited and slid.

Preferably, a snap-in slot is provided at the corresponding position of the joint body and the snap-in block, and the snap-in block is inserted into the interior of the snap-in slot, and the shape structure of the snap-in block is a trapezoidal structure, which is convenient for use The clamping block fixes the connector body.

Preferably, the heat dissipation and ventilation mechanism includes an exhaust pipe, the exhaust pipe is fixedly installed on the top of the outer shell, the inside of the exhaust pipe is fixedly installed with a mounting frame, and the inside of the mounting frame is fixedly installed with a motor, The output end of the motor is fixedly installed with a cooling fan, the inside of the cabinet door is provided with an air intake hole, the front of the cabinet door is fixedly installed with a mounting frame, and a connecting frame is plugged into the inside of the mounting frame. A filter screen is fixedly installed inside the connection frame, a second bolt is arranged between the connection frame and the installation frame, a through hole is opened at the corresponding position of the installation frame and the second bolt, and the connection frame is connected to the second bolt. Corresponding positions of the bolts are provided with threaded holes, and the second bolts are threaded through the through holes and installed in the threaded holes, which is convenient for heat dissipation and ventilation inside the device.

Preferably, the interior of the test machine is provided with a PCle switching module, a synchronous signal generation module, a synchronous signal routing module, and a test function module. The signal routing modules are connected to each other, and the synchronous signal routing module is connected to the synchronous signal generating module.

A method for using a test box cascade device, comprising the following steps:

S1. Pull the pull rod outward through the nut, so that the pull rod pulls the connecting rod outward through the sliding block, the connecting rod drives the clamping block to move outward, and makes the sliding block compress the return spring, and then insert the connector body of the computer into the signal Afterwards, the nut is loosened, and the sliding block is driven by the elastic force of the return spring to insert the locking block into the locking groove of the connector body, so that the connector body is fixed in the signal port.

S2. Drive the heat dissipation fan to rotate through the motor on the mounting frame, so that the heat dissipation fan discharges the hot air inside the outer casing, and at the same time filters the external air through the filter on the connection frame, and sucks it into the inside of the outer casing. Take out the two bolts to separate the connection frame from the installation frame, so as to clean the filter screen on the connection frame.

S3, by inputting a group of PCIe signals into the PCIe switch module, outputting N+1 groups of PCIe signals, wherein N≥2, the outputted N+1 groups of PCIe signals are respectively connected to N test function modules, and the synchronous signal generation module, The trigger signal and clock signal required for system synchronization are generated, and the synchronization signals are sent to the synchronization signal routing module respectively. By inputting a group of synchronization signals into the synchronization signal routing module, N groups of synchronization signals are output.

Compared with the prior art, the present invention provides a device and method for cascading test boxes, which have the following beneficial effects:

1. The device and method of cascading the test box, pull the pull rod outward through the nut, so that the pull rod pulls the connecting rod outward through the sliding block, and the connecting rod drives the clamping block to move outward, and makes the sliding block compress the return spring , and then insert the connector body of the computer into the signal port, then loosen the nut, and through the elastic force of the return spring, the sliding block drives the clamping block to be inserted into the clamping groove of the connector body, so that the connector body is fixed in the signal port, Thereby preventing the joint body from falling off during use.

2. The cascading device and method of the test box drives the heat dissipation fan to rotate through the motor on the mounting frame, so that the heat dissipation fan discharges the hot air inside the outer casing, and at the same time filters the external air through the filter on the connection frame. It is sucked into the inside of the outer shell, and the connection frame is separated from the installation frame by taking out the second bolt, so as to clean the filter screen on the connection frame, thereby achieving the effect of facilitating rapid heat dissipation of the equipment.

3. The device and method for cascading the test box, by inputting a group of PCIe signals into the PCIe switch module, outputting N+1 (N≥2) groups of PCIe signals, and the output N+1 groups of PCIe signals are respectively connected to N The test function module, through the synchronization signal generation module, generates the trigger signal and clock signal required for system synchronization, and sends the synchronization signal to the synchronization signal routing module respectively, and outputs N groups of synchronization signals by inputting a group of synchronization signals into the synchronization signal routing module Signals, so as to achieve the expansion of communication signals and synchronization signals, and increase the number of test interfaces of the test machine.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without paying creative labor:

Fig. 1 is the schematic view of the front structure of the present invention;

Fig. 2 is a schematic cross-sectional view of the left view structure of the present invention;

Fig. 3 is a schematic cross-sectional view of a local structure of the present invention;

Fig. 4 is the enlarged schematic view of the structure at A in Fig. 3 of the present invention;

Fig. 5 is a schematic cross-sectional view of the exhaust pipe of the present invention and the connected mechanism;

Fig. 6 is the enlarged schematic view of the structure at B in Fig. 2 of the present invention;

Fig. 7 is a schematic diagram of the internal modules of the testing machine of the present invention;

Fig. 8 is a schematic diagram of the cascade connection of the present invention.

In the figure: 1. Outer shell; 2. Supporting feet; 3. Cabinet door; 4. Testing machine; 41. PCle switch module; 42. Synchronization signal generation module; 43. Synchronization signal routing module; 44. Test function module; 5 , joint fixing mechanism; 51, joint assembly; 511, signal port; 512, data line; 513, joint body; 52, fixed assembly; 521, fixed frame; 522, end cover; Component; 531, sliding block; 532, connecting rod; 533, limit rod; 534, pulling rod; 535, return spring; 536, nut; ; 62, mounting frame; 63, motor; 64, cooling fan; 65, air intake hole; 66, installation frame; 67, connection frame; 68, filter screen; 69, second bolt.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Embodiment one:

Please refer to Figures 1-8, the present invention provides a technical solution: a device and method for cascading test boxes, including an outer shell 1, the bottom of the outer shell 1 is fixedly equipped with support feet 2, and the front of the outer shell 1 is provided with Cabinet door 3, testing machine 4 is fixedly installed inside the outer casing 1, a joint fixing mechanism 5 is arranged on the back of the outer casing 1, and a heat dissipation and ventilation mechanism 6 is arranged on the bottom of the outer casing 1 and the front of the cabinet door 3.

The joint fixing mechanism 5 includes a joint assembly 51 , a fixing assembly 52 and a clip assembly 53 .

Further, the connector assembly 51 includes a signal port 511, the signal port 511 is arranged on the back of the outer casing 1, a data line 512 is fixedly installed between the signal port 511 and the testing machine 4, and a connector body 513 is inserted inside the signal port 511, It is convenient to connect the joint body 513 with the testing machine 4 .

Further, the fixing assembly 52 includes a fixing frame 521, which is fixedly installed on the back of the outer casing 1, an end cover 522 is arranged on the outside of the fixing frame 521, and a first bolt 523 is arranged between the end cover 522 and the fixing frame 521, A through hole is opened at the corresponding position of the end cover 522 and the first bolt 523, a threaded hole is opened at the corresponding position of the fixed frame 521 and the first bolt 523, and the first bolt 523 is threaded through the through hole and installed in the threaded hole, It is convenient to make the fixed frame 521 fixedly installed.

Further, the clamping assembly 53 includes a sliding block 531, which is slidably installed inside the fixed frame 521, a connecting rod 532 is fixedly installed on the inside of the sliding block 531, and a limit rod 533 is fixedly installed inside the fixed frame 521. The outer side of 531 is fixedly installed with pull bar 534, and pull bar 534 is away from one end thread of slide block 531 and is installed with nut 536, and between end cover 522 and slide block 531, return spring 535 is fixedly installed, and connecting rod 532 is away from the end of slide block 531. A locking block 537 is fixedly installed at one end, which is convenient for limiting and fixing the joint body 513 .

Further, a through hole is opened at the corresponding position of the sliding block 531 and the limit rod 533, and the limit rod 533 passes through the through hole, and a through hole is opened at the corresponding position of the inner side of the fixed frame 521 and the connecting rod 532, and the connection The rod 532 passes through the through hole, and the corresponding position of the end cover 522 and the pull rod 534 is provided with a through hole, and the pull rod 534 passes through the through hole, so as to make the sliding block 531 slide in a limited position.

Further, the corresponding position of the joint body 513 and the clamping block 537 is provided with a clamping groove, and the clamping block 537 is inserted into the inside of the clamping groove, and the shape structure of the clamping block 537 is a trapezoidal structure, which is convenient for clamping Block 537 secures fitting body 513 .

Embodiment two:

Please refer to Fig. 2, Fig. 5 and Fig. 6, and in combination with Embodiment 1, it is further obtained that the heat dissipation ventilation mechanism 6 includes an exhaust pipe 61, and the exhaust pipe 61 is fixedly installed on the top of the outer shell 1, and the interior of the exhaust pipe 61 is fixed Mounting frame 62 is installed, and the inside of mounting frame 62 is fixedly installed with motor 63, and the output end of motor 63 is fixedly installed with cooling fan 64, and the inside of cabinet door 3 is provided with air intake hole 65, and the front of cabinet door 3 is fixedly installed with installation Frame 66, the inside of the installation frame 66 is plugged with a connection frame 67, the inside of the connection frame 67 is fixedly installed with a filter screen 68, and a second bolt 69 is arranged between the connection frame 67 and the installation frame 66, and the installation frame 66 and the second bolt 69 is provided with a through hole, and the corresponding position of the connection frame 67 and the second bolt 69 is provided with a threaded hole, and the second bolt 69 is threaded through the through hole and installed in the threaded hole to facilitate heat dissipation inside the device ventilation.

Further, the interior of the testing machine 4 is provided with a PCle exchange module 41, a synchronous signal generation module 42, a synchronous signal routing module 43, a test function module 44, and the signal connection between the PCle exchange module 41 and the test function module 44, and the test function module 44 Signal connection with the synchronous signal routing module 43 , and signal connection between the synchronous signal routing module 43 and the synchronous signal generating module 42 .

Embodiment three:

Please refer to Figures 7 and 8, and in combination with Embodiment 1 and Embodiment 2, it is further obtained that a method for using a test box cascade device includes the following steps:

S1. Pull the pull rod 534 outward through the nut 536, so that the pull rod 534 pulls the connecting rod 532 outward through the sliding block 531, and the connecting rod 532 drives the clamping block 537 to move outward, and makes the sliding block 531 compress the return spring 535, Then insert the connector body 513 of the computer into the signal port 511, then loosen the nut 536, and the sliding block 531 drives the clamping block 537 to be inserted into the clamping groove of the connector body 513 by the elastic force of the return spring 535, so that the connector body 513 is fixed in the signal port 511.

S2. Drive the heat dissipation fan 64 to rotate through the motor 63 on the mounting frame 62, so that the heat dissipation fan 64 discharges the hot air inside the outer shell 1, and at the same time filters the external air through the filter screen 68 on the connection frame 67, and sucks it into the shell Inside the body 1, the connection frame 67 is separated from the installation frame 66 by taking out the second bolt 69, so as to clean the filter screen 68 on the connection frame 67.

S3, by inputting a group of PCIe signals into the PCIe switch module, output N+1 (N≥2) group PCIe signals, the output N+1 group PCIe signals are respectively connected to N test function modules 44, and generate modules through synchronous signals 42. Generate trigger signals and clock signals required for system synchronization, and send the synchronization signals to the synchronization signal routing module 43, and output N groups of synchronization signals by inputting a group of synchronization signals into the synchronization signal routing module 43.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Claims (9)

1. A test box cascading device, comprising an outer casing (1), characterized in that: the bottom of the outer casing (1) is fixedly equipped with support feet (2), and the front of the outer casing (1) is provided with Cabinet door (3), the inside of the outer shell (1) is fixedly equipped with a testing machine (4), the back of the outer shell (1) is provided with a joint fixing mechanism (5), the outer shell (1) The bottom and the front of the cabinet door (3) are provided with a heat dissipation and ventilation mechanism (6); The joint fixing mechanism (5) includes a joint assembly (51), a fixing assembly (52) and a clamping assembly (53), the joint assembly (51) is arranged inside the back end of the outer shell (1), and the clamping The assembly (53) is arranged inside the fixed assembly (52). 2. A test box cascading device according to claim 1, characterized in that: the joint assembly (51) includes a signal port (511), and the signal port (511) is arranged on the outer shell (1) On the back, a data line (512) is fixedly installed between the signal port (511) and the testing machine (4), and a connector body (513) is plugged into the signal port (511). 3. A test box cascading device according to claim 2, characterized in that: the fixing assembly (52) includes a fixing frame (521), and the fixing frame (521) is fixedly installed on the outer casing (1) The back of the fixed frame (521) is provided with an end cover (522), the first bolt (523) is arranged between the end cover (522) and the fixed frame (521), and the end cover (522 ) and the corresponding positions of the first bolts (523) are provided with through holes, and the corresponding positions of the fixed frame (521) and the first bolts (523) are provided with threaded holes, and the first bolts (523) pass through Mounts in a threaded hole through a through-hole thread. 4. A test box cascading device according to claim 3, characterized in that: the clamping assembly (53) includes a sliding block (531), and the sliding block (531) is slidably installed on the fixed frame (521 ), the inner side of the sliding block (531) is fixedly equipped with a connecting rod (532), the inside of the fixed frame (521) is fixedly installed with a limit rod (533), and the outer side of the sliding block (531) is fixed A pull rod (534) is installed, and a nut (536) is threadedly installed on one end of the pull rod (534) far away from the sliding block (531), and a screw cap (536) is fixedly installed between the end cover (522) and the sliding block (531). The return spring (535), the end of the connecting rod (532) away from the sliding block (531) is fixedly installed with a clamping block (537). 5. A test box cascading device according to claim 4, characterized in that: a through hole is opened at the corresponding position of the sliding block (531) and the limit rod (533), and the limit rod (533) pass through the through hole, the inner side of the fixed frame (521) and the corresponding position of the connecting rod (532) are provided with a through hole, and the connecting rod (532) passes through the through hole, the end cover ( 522) and the corresponding position of the pulling rod (534) are provided with a through hole, and the pulling rod (534) passes through the through hole. 6. A test box cascading device according to claim 4, characterized in that: the corresponding position of the joint body (513) and the clamping block (537) is provided with a clamping slot, and the clamping The block (537) is plugged into the clamping groove, and the external structure of the clamping block (537) is a trapezoidal structure. 7. A test box cascading device according to claim 1, characterized in that: the heat dissipation ventilation mechanism (6) includes an exhaust pipe (61), and the exhaust pipe (61) is fixedly installed on the outer casing (1), the inside of the exhaust pipe (61) is fixedly equipped with a mounting frame (62), and the inside of the mounting frame (62) is fixedly mounted with a motor (63), and the output of the motor (63) A cooling fan (64) is fixedly installed at the end, an air inlet (65) is provided inside the cabinet door (3), and an installation frame (66) is fixedly installed on the front of the cabinet door (3), and the installation frame The inside of (66) is plugged with a connection frame (67), and the inside of the connection frame (67) is fixedly equipped with a filter screen (68), and the first connection frame (67) is provided with the installation frame (66). Two bolts (69), the corresponding positions of the mounting frame (66) and the second bolts (69) are provided with through holes, and the corresponding positions of the connecting frame (67) and the second bolts (69) are provided with threaded hole, and the second bolt (69) is threaded through the through hole and installed in the threaded hole. 8. A kind of test case cascading device according to claim 7, is characterized in that: the interior of described testing machine (4) is provided with PCle exchange module (41), synchronous signal generation module (42), synchronous signal routing Module (43), test function module (44), signal connection between described PCle exchange module (41) and test function module (44), between described test function module (44) and synchronous signal routing module (43) Signal connection, the signal connection between the synchronous signal routing module (43) and the synchronous signal generating module (42). 9. A method for using a test box cascade device, comprising the following steps: S1. Pull the pull rod (534) outward through the nut (536), so that the pull rod (534) pulls the connecting rod (532) outward through the sliding block (531), and the connecting rod (532) drives the clamping block (537) Move to the outside, and make the sliding block (531) compress the return spring (535), then insert the connector body (513) of the computer into the signal port (511), then loosen the nut (536), pass the return spring (535 ) makes the sliding block (531) drive the clamping block (537) to be inserted into the clamping groove of the connector body (513), so that the connector body (513) is fixed in the signal port (511); S2. Drive the heat dissipation fan (64) to rotate through the motor (63) on the mounting bracket (62), so that the heat dissipation fan (64) can discharge the hot air inside the outer casing (1), and at the same time pass through the connection frame (67) After the filter screen (68) filters the external air, it is sucked into the inside of the outer shell (1), and the connection frame (67) is separated from the installation frame (66) by taking out the second bolt (69), so that the connection frame Filter screen (68) on (67) is cleaned; S3, by inputting a group of PCIe signals into the PCIe switch module, output N+1 group of PCIe signals, wherein N≥2, the output N+1 group of PCIe signals are respectively connected to N test function modules (44), through the synchronization signal The generation module (42) generates trigger signals and clock signals required for system synchronization, and the synchronization signals are sent to the synchronization signal routing module (43) respectively, by inputting a group of synchronization signals into the synchronization signal routing module (43), output N Group synchronization signal.

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