CN115389792B - Fixture module and signal module function testing device - Google Patents

Abstract

The invention discloses a fixture module and a signal module function testing device, which comprises a fixture module, a shielding box module and a testing antenna pulley module; the shielding box module is provided with a drawer door plate, and the clamp module is fixed on the drawer door plate through the bottom plate and moves together with the drawer door plate; the test antenna pulley module is fixed with a guide pulley block and a plurality of signal receiving modules, the guide pulley block is arranged from being close to one end of the drawer door plate in an inclined mode from low to high, and the guide pulley block and the sliding grooves of the clamp module are connected in a sliding fit mode on the same straight line. According to the invention, the positioning, clamping and electrifying operation of the product to be detected are synchronously completed by the action of the entry of the drawer door plate of the shielding box, so that the detection efficiency is greatly improved.

Description

Anchor clamps module and signal module functional test device

Technical Field

The invention relates to the field of electronic product testing, in particular to a fixture module and a signal module function testing device.

Background

With the development of internet technology, communication technology is becoming more and more important in daily life, and in the production process of signal modules, some basic function tests need to be performed on the signal modules in order to monitor the quality. The reliability of signal transmission is an important index for evaluating the performance of the signal module. The accurate and efficient reliability test of the signal module is an important content in the research and development and production processes of the signal integrated circuit.

The signal module function test process is more special, and traditional signal module test is strict to the environmental requirement, especially under the environment of signal basic station with the workstation complicacy, in order to avoid the interference of test in-process signal, its test environmental requirement is a totally closed device, need with signal integrated circuit in the shielded cell, recompress the test fixture, seal the shielded cell at last, just can test.

Present signal module functional test tool, generally adopt the location to push down the device, after the clamp plate drives the probe and pushes down, the probe inserts in the contact of the product that awaits measuring, but in actual positioning process, positioning system's precision is lower, the probe probably does not aim at the test point and just pushes down, lead to detecting the precision lower, perhaps lead to the probe to damage even, some existing positioning fixture simultaneously, can't carry out high accuracy location to spherical or quasi-spherical product that awaits measuring and press from both sides tightly, and the product that awaits measuring of the different models of unable adaptation, can't satisfy the detection needs. According to the existing function testing device, the opening and closing of the shielding box and the action between the clamps for pressing the product to be tested are relatively independent, so that the testing time is prolonged to a great extent, the labor cost and the testing equipment are increased, and the testing efficiency is influenced.

Therefore, it is desirable to provide a fixture module and a signal module function testing device, which have high positioning accuracy, are suitable for products to be tested of different models, and improve the working efficiency.

Disclosure of Invention

In order to overcome the problems in the prior art, the invention provides a fixture module and a signal module function testing device, wherein a movable clamping jaw is used for positioning and clamping a product to be tested, and a drawer door plate of a shielding box is used for entering the shielding box to move, so that a pulley device of a testing antenna is matched with a fixture device of a support plate, and the clamping and electrifying actions on the product to be tested can be completed simultaneously.

In order to realize the purpose, the invention provides the following technical scheme:

a fixture module comprises a bottom plate and a plurality of clamping jaws for clamping a product to be tested;

a detachable positioning carrier plate is embedded on the upper surface of the bottom plate, and the positioning carrier plate is of a circular structure;

the clamping jaws are annularly distributed on the upper surface of the base plate around the positioning carrier plate, each clamping jaw comprises a jaw arm and a clamping jaw base with a hollow structure, the jaw arms and the clamping jaw bases are rotatably connected through a rotating shaft, and the jaw arms rotate in the direction approaching to/moving away from the positioning carrier plate;

the clamping jaw clamping device is characterized by further comprising a pushing base, guide blocks equal to the clamping jaws in number are arranged on the pushing base, and guide holes corresponding to the guide blocks are formed in the bottom plate in a penetrating mode.

Preferably, the clamping jaw comprises 4 clamping jaws, and the included angle between the planes of the motion tracks of the two adjacent clamping jaws is 90 degrees.

Preferably, the claw arms are of a crank-type structure.

Preferably, a plane where the motion locus of the claw arm passes through a circle center of the positioning carrier plate.

Preferably, the push base is connected to the lower surface of the base plate by a plurality of springs.

Preferably, the upper surface part of the positioning carrier plate protrudes to form an annular positioning table, and a plurality of positioning bosses are uniformly distributed on the positioning table. The positioning boss is just clamped on a product to be detected, and the fixing and the positioning are assisted.

Preferably, a probe module is further fixed on the pushing base, and a probe channel for the probe module to pass through is formed in the bottom plate.

The invention provides a signal module function testing device, which comprises any one of the clamp modules, a shielding box module and a testing antenna pulley module, wherein the shielding box module is arranged on the clamping box module;

the shielding box module is provided with a drawer door plate, and the clamp module is fixed on the drawer door plate through the bottom plate and moves together with the drawer door plate;

the test antenna pulley module is fixed inside the shielding box through a substrate, a guide pulley block and a plurality of signal receiving modules are fixed on the substrate, and the signal receiving modules are used for receiving communication signals; the guide pulley block is arranged at one end of the drawer door plate from low to high in an inclined mode, a sliding groove is formed in the lower surface of the pushing base, and the guide pulley block and the sliding groove of the fixture module are connected in a sliding fit mode on the same straight line.

Preferably, the signal receiving module comprises a fixing rod, a vertical adjusting rod, a horizontal adjusting rod and an antenna group;

the fixed rod is arranged on the substrate, and the vertical adjusting rod is arranged on the fixed rod; the horizontal adjusting rod is installed on the vertical adjusting rod, and the antenna group is installed at the tail end of the horizontal adjusting rod.

Preferably, a starting button is arranged on the shielding box module.

In summary, the technical scheme of the invention has the following beneficial effects:

the clamp module provided by the invention is provided with a plurality of clamping jaws for clamping a product to be tested, the jaw arms of the clamping jaws are rotatably connected with the clamping jaw base through rotating shafts, the jaw arms are pushed to rotate through the guide blocks penetrating through the bottom plate and the clamping jaw base, and the jaw arms rotate towards the direction close to/far away from the positioning carrier plate, so that the clamping jaws can be controlled to move towards the direction close to the product to be tested on the positioning carrier plate in the upward movement process of the guide blocks, the positioning and clamping effects are further realized, and the positioning precision is higher. And the clamping jaw and the positioning support plate are of detachable structures, are easy to replace and are suitable for products to be tested in different models.

The invention provides a signal module function testing device which is provided with a drawer door plate capable of being pulled, wherein a clamp module is fixed on the drawer door plate, and the clamp module is driven to move together when the drawer door plate is opened or closed. A guide pulley block with gradually changed height is fixedly arranged on the motion trail of the clamp module, and the clamp module can be in sliding fit with the guide pulley block in the motion process; the fixture module is provided with a pushing base connected by a spring, so that in the moving process, the height of the guide pulley block is gradually changed from low to high, the drawer door plate drives the fixture module to move along a horizontal line, the pushing base gradually rises, the guide block gradually pushes the clamping jaw to clamp a product to be tested, and meanwhile, the probe module is connected with the product to be tested and powered on, so that the positioning clamping and the power-on of the product are realized.

According to the invention, the positioning, clamping and electrifying operation of the product to be detected are synchronously completed by utilizing the entering action of the drawer door plate of the shielding box, so that the detection efficiency is greatly improved, the detection is completed in the shielding box, the signal interference in the detection process is greatly reduced, and the detection accuracy is ensured.

The fixture module is simple in structure, low in processing cost and convenient to maintain, and the fixture module and the guide pulley block are high in interchangeability and easy to replace and are used for adapting to the detection requirements of products to be detected in different models.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an exploded view of a clamp module according to the present invention;

FIG. 2 is a schematic view of a clamping jaw of a clamping module according to the present invention;

FIG. 3 is a schematic view of an assembly of a fixture module according to the present invention;

FIG. 4 is a partial schematic view based on the structure A in FIG. 3;

FIG. 5 is a schematic diagram of the overall structure of the signal module function testing apparatus according to the present invention;

FIG. 6 is a schematic structural diagram of a pulley module of a test antenna of the functional test apparatus for signal modules according to the present invention;

FIG. 7 is a schematic structural diagram of a signal receiving module of the test antenna pulley module according to the present invention;

FIG. 8 is a schematic structural diagram of a shielding box module of the signal module function testing apparatus according to the present invention;

reference numerals are as follows:

1-a clamp module; 101-a base plate; 1011-pilot hole; 102-positioning a carrier plate; 1021-positioning the boss;

1022-a positioning table; 103-a clamping jaw; 1031-a jaw base; 1032-claw arm; 1033-a rotating shaft;

104-testing the mainboard; 105-a push base; 106-probe module; 107-spring; 108-a guide block;

2-a shielding box module; 201-a box body; 202-drawer door panel; 203-start button;

3-testing the antenna pulley module; 301-a substrate; 302-a signal receiving module; 3021-a fixation rod;

3022-vertical adjustment rod; 3023-horizontal adjusting lever; 3024-antenna group; 303-guide pulley group.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc., referred to in the following embodiments are directions with reference to the drawings only, and thus, the directional terms used are intended to illustrate rather than limit the inventive concept.

The invention is further described below with reference to the drawings and the preferred embodiments.

As shown in fig. 1, the present invention provides a clamping module 1, which includes a bottom plate 101 and a plurality of clamping jaws 103 fixed on the upper surface of the bottom plate 101 for clamping a product to be tested.

As shown in fig. 3 and 4, a positioning carrier plate 102 is disposed on the upper surface of the bottom plate 101, the positioning carrier plate 102 is circular and is embedded on the upper surface of the bottom plate 101, the upper surface of the positioning carrier plate 102 partially protrudes to form an annular positioning table 1022, wherein a plurality of positioning bosses 1021 are uniformly distributed on the positioning table 1022, the number and shape of the positioning bosses 1021 are consistent with those of positioning holes of a product to be tested, so that the positioning bosses 1021 can be exactly clamped on the positioning holes to play a role of preliminary positioning, and probe channels for the probe modules 106 to pass through are further disposed at the position of the positioning carrier plate 102. The clamping jaws 103 are distributed on the upper surface of the base plate 101 around the positioning carrier plate 102, at least four clamping jaws 103 can clamp a product to be tested from multiple angles, preferably, the clamping jaws are uniformly distributed for 4, an included angle between a connecting line of two adjacent clamping jaws 103 and the center of the positioning carrier plate 102 is 90 degrees, and the stress is more uniform. As shown in fig. 2, the clamping jaw 103 includes a jaw arm 1032 and a hollow jaw base 1031, the jaw arm 1032 and the jaw base 1031 are rotatably connected by a rotating shaft 1033, the jaw arm 1032 is in a crank-type structure, and the jaw arm 1032 has two inclined surfaces facing the outer side of the bottom plate 101. The claw arms 1032 rotate in a direction toward/away from the positioning carrier plate 102, wherein a plane on which a movement locus of the claw arms 1032 passes through a center of the positioning carrier plate 102.

The clamp module 1 further comprises a pushing base 105, the pushing base 105 is connected with the lower surface of the bottom plate 101 through a plurality of springs 107, and the springs 107 are of a floating structure, so that the pushing base 105 and the bottom plate 101 can move relatively; promote be equipped with on the base 105 with the guide block 108 that clamping jaw 103 quantity equals, run through on the bottom plate 101 be equipped with the corresponding guiding hole 1011 in position of guide block 108, the end of guide block 108 is the arc surface, and at the in-process that promotes base 105 and rise, guide block 108 can pass from guiding hole 1011, and the end of guide block 108 supports gradually on the inclined plane of claw arm 1032, promotes base 105 and continues to rise, and then guide block 108 promotes claw arm 1032 and rotates around rotation axis 1033, and until claw arm 1032 support to await measuring on the product. The tail ends of the claw arms 1032 are made of silica gel or other softer materials, and damage to products is prevented.

The pushing base 105 is also fixed with a probe module 106, and in the process of lifting the pushing base 105, the probe gradually rises and passes through the probe channel of the bottom plate 101, and is finally connected with the upper electrical contact of the product to be tested.

As shown in fig. 5, the present invention provides a signal module function testing device, which can be used to test WIFI signals, bluetooth signals, communication signals, and the like.

The signal module function testing device comprises the fixture module 1, a shielding box module 2 and a testing antenna pulley module 3.

As shown in fig. 8, the shielding box module 2 includes a box 201 and a drawer door panel 202, a start button 203 is provided on the shielding box module 2, the drawer door panel 202 is controlled to open or close by a driving module, and the driving module is one of an air cylinder and a hydraulic cylinder. After the drawer door panel 202 is closed, the shielding box module 2 is in a complete shielding state, so that the interference of detection process signals is greatly reduced, and the detection accuracy is ensured. The fixture module 1 is fixed on the drawer door panel 202 through the bottom plate 101 and moves together with the drawer door panel 202; since the drawer door panel 202 moves in a horizontal direction with respect to the floor, the jig module 1 also moves on the same horizontal line.

As shown in fig. 6, the test antenna pulley module 3 is fixed inside the shielding box through a substrate 301, and a guide pulley block 303 and a plurality of signal receiving modules 302 are fixed on the substrate 301.

The guide pulley block 303 is arranged from low to high at one end close to the drawer door plate 202 in an inclined manner, a sliding groove is formed in the lower surface of the pushing base 105, and the guide pulley block 303 and the sliding groove of the fixture module 1 are connected in a sliding fit manner on the same straight line. Because the fixture module 1 moves on the same horizontal line, and the guide pulley block 303 matched with the fixture module 1 gradually changes from low to high, in the process that the fixture module 1 moves along the guide pulley block 303, the base 105 is pushed to gradually rise, the guide block 108 gradually pushes the clamping jaw 103 to clamp a product to be tested, meanwhile, the probe module 106 is connected with the product to be tested and electrified, when the drawer door plate 202 is completely closed, the base 105 is pushed to reach a rising limit position, at the moment, the clamping jaw 103 clamps the product to be tested, the probe module 106 is completely connected with the product to be tested, and the positioning clamping and electrifying of the product are realized. The pushing base 105 is provided with a test motherboard 104 loaded with a test program for controlling the functional stability test of the product to be tested.

As shown in fig. 7, the signal receiving module 302 is configured to receive a communication signal and perform feedback, and may generally feed back the communication signal to a PC terminal, a mobile phone terminal, or a cloud server; the signal receiving module 302 comprises a fixing rod 3021, a vertical adjusting rod 3022, a horizontal adjusting rod 3023 and an antenna group 3024, wherein the fixing rod 3021 is mounted on the substrate 301, the vertical adjusting rod 3022 is mounted on the fixing rod 3021, the horizontal adjusting rod 3023 is mounted on the vertical adjusting rod 3022, and the antenna group 3024 is mounted at the end of the horizontal adjusting rod 3023; the position of the antenna group 3024 can be adjusted by the vertical adjustment lever 3022 and the horizontal adjustment lever 3023 before detection, ensuring that the signal receiving module 302 can receive signals to the maximum extent.

The signal module function testing device is used for testing the functional stability of a product to be tested, and the signal module function testing device comprises the following specific steps:

step one, opening a drawer door plate 202, and placing a product to be detected on a positioning carrier plate 102 of a clamp module 1;

step two, starting the testing device, driving the clamp module 1 to move together when the drawer door panel 202 is closed, moving the clamp module 1 to the inside of the shielding box along the direction of the guide pulley block 303, pushing the base 105 to ascend, enabling the guide block 108 to extend into the clamping jaw 103 through the positioning hole in the bottom plate 101 and push the jaw arm 1032, clamping the product to be tested by the clamping jaw 103, enabling the probe module 106 to ascend together with the pushing base 105 and be connected with the upper electric contact of the product to be tested, and completing electrifying work;

and step three, testing, the signal receiving module 302 feeds back the test result to the PC terminal, the information of the product to be tested is collected through the test mainboard 104, the signal receiving module 302 feeds back the test result to the PC terminal for analysis according to the received signal condition, and the analysis result is displayed in an OK/NG mode through the display screen.

Step four, after the test is finished, the drawer door plate 202 is opened, the clamp module 1 moves along the guide pulley block 303 to the direction away from the shielding box until the clamp module 1 is separated from the guide pulley block 303, the pushing base 105 is restored to the original position, the clamping jaw 103 releases the product to be tested, and the probe module 106 is separated;

and step five, replacing the product to be detected, and repeating the steps.

In the first and fifth steps, the product to be tested is placed on the positioning carrier plate 102 of the fixture module 1 by a manual or mechanical device.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. The utility model provides a anchor clamps module which characterized in that:

comprises a bottom plate and a plurality of clamping jaws for clamping a product to be tested;

a positioning carrier plate is embedded on the upper surface of the bottom plate, and the positioning carrier plate is of a circular structure;

the clamping jaws are annularly distributed on the upper surface of the bottom plate around the positioning carrier plate, each clamping jaw comprises a clamping jaw arm and a clamping jaw base of a hollow structure, the clamping jaw arms and the clamping jaw bases are rotatably connected through rotating shafts, and the clamping jaw arms rotate in the direction approaching to or departing from the positioning carrier plate;

the clamping jaw pushing device comprises a base plate and a pushing base, wherein the pushing base is provided with guide blocks, the number of the guide blocks is equal to that of the clamping jaws, and guide holes corresponding to the positions of the guide blocks are arranged on the base plate in a penetrating manner; the pushing base is used for pushing the guide block, the guide block penetrates through the guide hole and pushes the claw arm to rotate around the rotating shaft until the claw arm abuts against a product to be tested.

2. The jig module of claim 1, wherein: the clamping jaw comprises 4 clamping jaws, and the included angle of the planes of the motion tracks of two adjacent clamping jaws is 90 degrees.

3. The jig module of claim 1, wherein: the claw arm is of a crank-shaped structure.

4. The jig module of claim 1, wherein: the plane of the motion trail of the claw arm penetrates through the circle center of the positioning carrier plate.

5. The jig module of claim 1, wherein: the pushing base is connected with the lower surface of the bottom plate through a plurality of springs.

6. The jig module of claim 1, wherein: the upper surface part of location support plate is protruding to form annular location platform, evenly distributed has a plurality of location boss on the location platform.

7. The jig module of claim 1, wherein: the pushing base is further fixed with a probe module, and the bottom plate is provided with a probe channel for the probe module to penetrate through.

8. A signal module function testing device is characterized in that:

comprising a fixture module according to any one of claims 1-7, further comprising a shielding cage module and a test antenna pulley module;

the shielding box module is provided with a drawer door plate, and the clamp module is fixed on the drawer door plate through the bottom plate and moves together with the drawer door plate;

the test antenna pulley module is fixed inside the shielding box through a substrate, a guide pulley block and a plurality of signal receiving modules are fixed on the substrate, and the signal receiving modules are used for receiving communication signals;

the guide pulley block is arranged at one end of the drawer door plate from low to high in an inclined mode, a sliding groove is formed in the lower surface of the pushing base, and the guide pulley block and the sliding groove of the fixture module are connected in a sliding fit mode on the same straight line.

9. A signal module function testing device according to claim 8, characterized in that:

the signal receiving module comprises a fixed rod, a vertical adjusting rod, a horizontal adjusting rod and an antenna group;

the fixed rod is arranged on the substrate, and the vertical adjusting rod is arranged on the fixed rod; the horizontal adjusting rod is installed on the vertical adjusting rod, and the antenna group is installed at the tail end of the horizontal adjusting rod.

10. A signal module function testing device according to claim 8, characterized in that:

and a starting button is arranged on the shielding box module.

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