CN214381251U

CN214381251U - LCD and audio two-in-one testing device

Info

Publication number: CN214381251U
Application number: CN202022232426.3U
Authority: CN
Inventors: 何志伟; 胡江波; 杨海平; 杜军红; 葛振纲
Original assignee: Shanghai Longcheer Technology Co Ltd
Current assignee: Shanghai Longcheer Technology Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-10-08
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a two unification testing arrangement of LCD and audio frequency, include: the device comprises a sound insulation box assembly, a drawer assembly, a free field testing assembly and a display device; the display device is arranged in front of the top of the sound insulation box body, and the position of the display device is adjustable; the drawer assembly comprises a drawer back plate and a clamp placing table, wherein the drawer back plate is used for sealing a product inlet on the sound insulation box; the free field testing mechanism comprises a free field fixing frame, a camera fixing and adjusting mechanism, a mark wheat fixing and adjusting mechanism and an artificial mouth fixing and adjusting mechanism; a camera, an artificial mouth and a mark wheat; and testing the standard wheat and the artificial mouth in an audio frequency mode. Testing arrangement merges two tests of LCD and audio frequency into a test, and can test two different test items of terminal product simultaneously, has reduced the input cost of anchor clamps, has improved efficiency of software testing and has improved LCD demonstration and detect and audio test result stability and reliability.

Description

LCD and audio two-in-one testing device

Technical Field

The utility model belongs to the technical field of automatic test equipment and specifically relates to a two unification test equipment of LCD and audio frequency for electronic product.

Background

Along with the continuous popularization of electronic products, such as mobile phones, flat panels, watches and the like, only terminals are available, the requirements of consumers on intelligent terminals are higher and higher, various terminal test fixtures and equipment are continuously available in order to meet various requirements and the delivery quality, wherein LCD (liquid crystal display) is used for detecting whether the display is poor in color, whether color spots exist or not, and the like, and audio tests are used for detecting parameters such as signal-to-noise ratio, distortion rate and the like of the terminals.

At present, related products LCD and audio test are substation test, and efficiency of software testing is not high, has increased human cost and anchor clamps input cost, and current LCD detects for lightening the screen through anchor clamps, then adopts artifical visual method to judge the product good or bad by experienced personnel, and inefficiency and testing result stability and reliability are not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a two unification testing arrangement of LCD and audio frequency is provided, the utility model aims at solving among the prior art efficiency and cost problem and having improved LCD and showing and detect test result stability and reliability, and the two unification test equipment of LCD and audio frequency that propose.

In order to solve the technical problem, the utility model provides a two unification testing arrangement of LCD and audio frequency, include: the device comprises a sound insulation box assembly, a drawer assembly, a free field testing assembly and a display device; the display device is arranged in front of the top of the sound insulation box body, and the position of the display device is adjustable; the drawer assembly comprises a drawer back plate and a clamp placing table, wherein the drawer back plate is used for sealing a product inlet on the sound insulation box; the free field testing mechanism comprises a free field fixing frame, a camera fixing and adjusting mechanism, a mark wheat fixing and adjusting mechanism and an artificial mouth fixing and adjusting mechanism; the camera is connected with the camera fixing and adjusting mechanism, the camera fixing and adjusting mechanism is used for adjusting the vertical and front and back positions of the camera, and the camera is used for photographing and detecting whether the LCD display of the product is normal or not; the artificial mouth is connected with the artificial mouth fixing and adjusting mechanism, the artificial mouth fixing and adjusting mechanism is used for adjusting the upper position, the lower position, the front position and the rear position of the artificial mouth, and the artificial mouth provides a sound source; the mark wheat is connected with a mark wheat fixing and adjusting mechanism, the mark wheat fixing and adjusting mechanism is used for adjusting the upper and lower positions and the front and back positions of the mark wheat, and the mark wheat collects processed sound; and testing the standard wheat and the artificial mouth in an audio frequency mode.

Two unification testing arrangement of LCD and audio frequency's beneficial effect lies in, merges two tests of LCD and audio frequency into a test, and can test two different test items of terminal product simultaneously, has reduced the input cost of anchor clamps, has improved efficiency of software testing and has improved LCD and show that detect and audio frequency test result stability and reliability.

Preferably, the camera fixing and adjusting mechanism, the mark wheat fixing and adjusting mechanism and the artificial mouth fixing and adjusting mechanism are movably connected with the free field fixing frame and can be shifted to a reasonable position for fixing according to actual requirements.

Preferably, the free field fixing frame is arranged in the center of the bottom wall of the top of the sound insulation box through four connecting rods; the fixing frame consists of two fixing strips and strip connecting rods, and a plurality of connecting rod mounting holes are uniformly distributed on the side surfaces of the fixing strips.

Preferably, the camera fixing and adjusting mechanism consists of a first adjusting block, a second adjusting block and a third adjusting block, wherein one side surface of the adjusting block is also provided with two circular through holes, the upper surface of the adjusting block is provided with a groove, four threaded holes are uniformly distributed on the bottom surface of the groove, the surfaces of steps on the left side and the right side of the groove are also respectively provided with two fastening threaded holes, the fastening threaded holes penetrate through the circular through holes arranged on the side surface, the two circular through holes on one side surface of the adjusting block are connected with two connecting rods on the free field fixing frame in a sliding fit manner to connect the camera fixing and adjusting mechanism on the free field fixing frame, so that the camera fixing and adjusting mechanism can be adjusted and fixed in the Y direction; the adjusting block II is an L-shaped block, two X-direction adjusting grooves are formed in the long edge block of the adjusting block II, a groove is formed in the middle of the short edge block, four threaded holes are symmetrically formed in the bottom surface of the groove, fastening screws are arranged in the fastening threaded holes, the adjusting block I is connected with the connecting rod, a bolt is arranged in the X-direction adjusting groove, and the adjusting block II is connected with the adjusting block I; the regulating block three is a rectangular block, and its bilateral symmetry that is close to long limit is provided with two Z to the adjustment tank, Z is equipped with the bolt to the adjustment tank, will the regulating block with the regulation block two is connected, wherein X is waist type groove to adjustment tank and Z to the adjustment tank, just X is perpendicular to adjustment tank and Z to the adjustment tank mutually, and the camera is installed on the regulating block three.

Preferably, the mark wheat fixing mechanism consists of a fixing block, guide rods, a clamping block, a mark wheat Z-direction adjusting rod and a mark wheat fixing piece, wherein the front surface of the fixing block is provided with two guide rod mounting holes, the upper part of the side surface is provided with a circular through hole, and the top of the fixing block is provided with two fastening threaded holes; the circular through holes on the side surfaces of the two fixed blocks are in sliding connection with the two connecting rods on the free field fixing frame to connect the mark wheat fixing mechanism on the free field fixing frame, so that the mark wheat fixing and adjusting mechanism can be adjustably fixed in the Y direction; the clamping block is a square block with a notch at one end, two circular through holes are formed in the lower portion of the front side of the clamping block, a fastening threaded hole is formed in the upper left corner of the clamping block, a guide rod mounting through hole is formed in the top surface of the clamping block, a cutting groove is formed in the side surface of the upper portion of the guide rod mounting through hole, the two guide rods penetrate through the two circular through holes in the lower portion of the upper front side of the clamping block and are connected in a sliding mode, two ends of each guide rod are respectively arranged in guide rod mounting holes in the fixing blocks, the clamping block is fixed between the two fixing blocks, a Z-direction adjusting rod of the standard wheat penetrates through the guide rod mounting holes in the top surface of the clamping block and is connected with a fixing piece of the standard wheat, the Z-direction adjusting rod of the standard wheat can slide up and down in the guide rod mounting holes in the clamping block, and the two guide rods between the Z-direction adjusting rod of the standard wheat and the two fixing blocks are perpendicular to each other; the mark wheat is fixed on the mark wheat mounting, all be equipped with fastening screw on fastening screw hole and the fastening screw hole.

Preferably, the drawer assembly comprises a rotary clamp assembly capable of simultaneously placing two products for testing and a linear guide rod for guiding the drawer in and out; the rotary clamp assembly is a double-station clamp, and the rotary cylinder drives the clamp to rotate 180 degrees to exchange the positions of two products to finish an unfinished test item of the products; the rotary assembly consists of a 180-degree rotary cylinder, a clamp bottom plate, a double-shaft cylinder, a wheat plugging block, a carrier plate and a limiting block, wherein the clamp bottom plate is a rectangular block which is obliquely symmetrical left and right and is provided with a spacing groove, a circular through hole is arranged in the plate, a screw through hole is uniformly distributed around the circular through hole, two cylinder mounting grooves are symmetrically arranged on one side of the two spacing grooves, a pair of parallel and level adjusting waist-shaped grooves are arranged on the bottom surfaces of the cylinder mounting grooves, and nut sinking grooves are also formed in the back surfaces of the cylinder mounting grooves; the lower bottom surface of the clamp bottom plate is fixedly attached to the upper surface of the 180-degree rotary cylinder rotary table, a central round hole in the clamp bottom plate and screw through holes distributed around the round hole are aligned with hole positions in the rotary platform of the rotary cylinder, so that the length direction of the clamp bottom plate is consistent with that of the rotary cylinder, two support plates are symmetrically arranged at two ends of the clamp bottom plate, and adjustable limit blocks are further arranged around the upper surface of each support plate; install a biax cylinder in two cylinder mounting grooves on the anchor clamps bottom plate respectively, surface mounting has a wheat sprue on the ejector pad of biax cylinder, and the wheat sprue is soft elastic construction, and the lower surface of biax cylinder and the upper surface laminating of mounting groove, screw pass on the cylinder via hole with set up the regulation waist type groove in the cylinder mounting groove and fix it with the nut cooperation.

Preferably, the sound insulation box component comprises a box body and a box body side door, and sound insulation cotton is pasted on the inner wall of the box body and the inner wall of the box body side door.

Preferably, the box body is provided with a product inlet and a maintenance window, and the lower parts of the left side and the right side of the box body are symmetrically provided with a handle.

Preferably, the L-shaped wiring groove is installed at the top of the box body, a pen-shaped air cylinder is installed in the middle of the back face of the bottom of the box body, and two long linear bearing blocks are symmetrically distributed on two sides of the front portion of the air cylinder and are connected with the back face of the bottom of the box body in an attached mode.

Preferably, the rack sets up in the sound-proof box bottom, and control components and parts have been placed to the rack inside.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of a closed state of a drawer assembly of an LCD and audio two-in-one testing apparatus according to the present invention;

fig. 2 is a schematic view of an open state of a drawer assembly of an LCD and audio two-in-one testing apparatus according to the present invention;

fig. 3 is a schematic view of an internal state of an LCD and audio two-in-one testing apparatus according to the present invention;

fig. 4 is a schematic bottom view of a sound-proof box of an LCD and audio two-in-one testing apparatus according to the present invention;

FIG. 5 is a schematic view of a drawer assembly of an LCD and audio two-in-one testing device according to the present invention;

fig. 6 is a schematic view of a rotating clamp assembly of an LCD and audio two-in-one testing apparatus according to the present invention;

FIG. 7 is a schematic view of a bottom plate part of a fixture of an LCD and audio two-in-one testing device according to the present invention;

fig. 8 is a schematic view of a free field adjusting assembly of an LCD and audio two-in-one testing apparatus according to the present invention;

fig. 9 is a schematic view of a camera fixing and adjusting assembly of an LCD and audio two-in-one testing apparatus according to the present invention;

fig. 10 is a schematic view of a mark wheat fixing and adjusting mechanism of an LCD and audio two-in-one testing device according to the present invention;

fig. 11 is the utility model provides a two unification test equipment artifical mouth fixed adjustment mechanism schematic diagrams of LCD and audio frequency. The various reference numbers in the figures illustrate:

1, a sound insulation box component; 2, a drawer component; 3, testing a free field mechanism; 4, a display device; 5, a cabinet; 6, a computer;

11, a box side door; 12, a linear bearing seat; 13, a pen-shaped air cylinder; 14, a box body shell; 21, drawer back plate; 22, a clamp placing table; rotating the clamp assembly 23; 24, a linear guide rod; 31, a free field fixing frame; 31a, a fixing strip;

31b is a connecting rod; 32, a camera fixing and adjusting mechanism; 33, a mark wheat fixing and adjusting mechanism; 34, a camera; 35, marking wheat;

36, artificial mouth; 37, a manual nozzle fixing and adjusting mechanism, 231, a 180-degree rotating cylinder; 232, clamp bottom plate; 233, double-shaft cylinder; 234, wheat plugging blocks; 235 is a carrier plate; 236, a limiting block; 237, a tested product; 232a is a spacing groove;

232b, cylinder mounting groove; 232c, sinking the nut into the groove; 232d, adjusting the waist-shaped groove; 321, a first adjusting block;

321 a: fastening the threaded hole; 322, a second adjusting block; 323 an adjusting block III; 322a is an X-direction adjusting groove; 323a, Z regulating groove; 331, a fixed block; 332, a guide rod; 333, a clamping block; 334, mark wheat Z direction adjusting rod; 335 mark wheat fixing piece;

331a fastening threaded hole; 333a fastening threaded hole; 371 artificial mouth Z-direction adjusting rod.

Detailed Description

The first embodiment,

As shown in FIG. 1, the LCD and audio two-in-one testing device of the present invention comprises a sound insulation box assembly, a drawer assembly, a testing free field assembly, a display device, a cabinet, a computer, etc.

The sound-proof box subassembly comprises box, box side door, and box inner wall and box side door inner wall are all pasted and are had soundproof cotton, and have seted up product entry and maintenance window on the box, and its box left and right sides lower part symmetric distribution has 4 handles, and L type trough is still installed at the box top, and bottom half back mid-mounting has a pen shape cylinder, and the anterior bilateral symmetric distribution of cylinder has two elongated straight line bearing frame to be connected with the laminating of bottom half back.

The display device is arranged in front of the top of the sound insulation box body, the position of the display device is adjustable, and a wiring harness on the display device is connected with a computer in the cabinet through a wiring groove.

The drawer assembly comprises a drawer back plate used for sealing a product inlet on the sound insulation box, a clamp placing table, a rotary clamp assembly capable of simultaneously placing two product tests and a linear guide rod for guiding the drawer to go in and out.

The free field testing mechanism comprises a free field fixing frame, a camera fixing and adjusting mechanism, a mark wheat fixing and adjusting mechanism and an artificial mouth fixing and adjusting mechanism. The free field fixing frame is arranged in the center of the bottom wall of the top of the soundproof box through four connecting rods. The camera, the camera connect in camera fixed adjustment mechanism, camera fixed adjustment mechanism is used for adjusting camera upper and lower and front and back position, the camera is used for shooing and detects whether product LCD shows normally. Mark wheat and artifical mouth, mark wheat and artifical mouth are connected with mark wheat fixed regulating mechanism and artifical mouth fixed regulating mechanism respectively, mark wheat fixed regulating mechanism and artifical mouth fixed regulating mechanism are used for adjusting mark wheat and artifical mouth upper and lower and front and back position respectively, and as above camera fixed regulating mechanism, mark wheat fixed regulating mechanism, artifical mouth fixed regulating mechanism all with free field mount swing joint, can shift to reasonable rigidity about according to actual demand.

The rack sets up in the sound-proof box bottom, and relevant control components and parts such as computer have been placed to rack inside.

In the prior art, the LCD and audio tests on the products are all substation tests, the LCD tests judge the quality of the products by lighting a screen and adopting a manual visual method by experienced personnel, the efficiency is low, and the stability and the reliability of the detection results are not high.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 11, an LCD and audio two-in-one test apparatus includes a soundproof case assembly, a drawer assembly, a test free field assembly, a display device, a cabinet, a computer, etc.

As shown in fig. 1-4, the sound insulation box assembly 1 comprises a box body housing 14, a box body side door 11, a linear bearing seat 12 and a pen-shaped cylinder 13, wherein a product inlet, a product outlet and a maintenance window are arranged on the box body housing 14, inner rings of the product inlet, the product outlet and the maintenance window are all formed by bending in a ladder form, a sealing strip is arranged at a bending position of a bottom layer of the product inlet, the sealing strip is extruded between the box body housing 14 and the drawer back plate 21 when the drawer back plate 21 moves to be close to the box body housing 14, so that a sealing effect is achieved, sound leakage or external sound source interference during audio test is prevented, the sealing strip is also arranged at the bending position of the bottom layer of the maintenance window, so as to ensure the sealing degree after the box body side door 11 is closed, the cross sections of the sealing strips are all D-shaped, one plane surface of the sealing strip is fixedly attached to the bending position of the window or the bottom layer of the product inlet, the arc surface can be extruded, so that the area behind the sealing strip is increased, the sealing effect is enhanced. Box side door 11 and box shell 14 are through hinge rotation connection, box side door 11 set up be convenient for test free field subassembly 3's regulation, box shell internal surface and box side door all are provided with soundproof cotton towards the one side in the box, the benefit that sets up soundproof cotton is the syllable-dividing effect of better assurance box, 14 left and right sides lower part symmetric distribution of box shell has four handles, the transport of the soundproof box of being convenient for, L type trough is still installed at 14 tops of box shell, 14 bottom back mid-mounting of box shell has a stroke-

shaped cylinder

13, 13 anterior bilateral symmetric distributions of stroke-shaped cylinder have two elongated straight line bearing seats 12 to be connected with the laminating of bottom half back.

As shown in fig. 4-7, the drawer assembly 2 is composed of a drawer back 21, a clamp placing table 22, a rotary clamp assembly 23 and a linear guide rod 24, the drawer back 21 is a bent sheet metal part, two start switch buttons are symmetrically arranged on the upper part of the front surface of the drawer back plate 21, a horizontal clamp placing platform 22 is arranged in the middle of the back surface of the drawer back plate 21, the rotary clamp assembly 23 is fixedly arranged in the front middle part of the clamp placing platform 22 through a fastener, a connecting block is welded in the lower middle part of the back surface of the drawer back plate 21, a threaded hole is formed in the middle part of the connecting block, two mounting holes are symmetrically formed in two sides of the threaded hole, the linear guide rod 24 is matched with two long linear bearing seats 12 arranged at the bottom of the sound insulation box, and the movable end of a pen-shaped air cylinder 13 arranged at the back of the bottom of the shell of the sound insulation box is connected with a connecting block welded on a drawer back plate 21, so that the drawer assembly 2 can stably drive a product to enter and exit the sound insulation box.

The rotary clamp assembly 23 is a double-station clamp, two products can be placed at the same time for simultaneous testing, the two products are different in simultaneous testing items, and when one test is completed, the rotary cylinder drives the clamp to rotate 180 degrees to exchange the positions of the two products to complete the unfinished test item of the product. When other models of products need to be tested, only the carrier plate 235 on the spin chuck assembly 23 needs to be replaced. The rotary assembly is composed of a 180-degree rotary cylinder 231, a clamp bottom plate 232, a double-shaft cylinder 233, a wheat blocking block 234, a carrier plate 235 and a limiting block 236, wherein the clamp bottom plate 232 is a rectangular block which is provided with avoidance grooves 232a in a left-right oblique symmetry manner, a circular through hole is arranged in the plate, 8 screw through holes are uniformly distributed around the circular through hole, two cylinder mounting grooves 232b are symmetrically arranged on one side of the two avoidance grooves 232a, the length and width of each cylinder mounting groove 232b are determined by the outline size of the selected mounting cylinder, a pair of parallel and level adjusting waist-shaped grooves 232d are arranged on the bottom surface of each cylinder mounting groove 232b, and nut sinking grooves 232c are further formed in the back surface of each cylinder mounting groove 232 b. The bottom surface is fixed with the upper surface laminating of 180 degrees revolving cylinder 231 revolving stages under the anchor clamps bottom plate 232, and the central round hole on the anchor clamps bottom plate 232 aligns with the hole site on 8 screw via holes that distribute around the round hole and the revolving cylinder rotary platform, make its anchor clamps bottom plate 232 long direction and the revolving cylinder long direction keep unanimous, two support plates 235 are installed to the both ends symmetry of anchor clamps bottom plate, keep away a shape machine and size on the support plate 235 and decide according to being surveyed product size parameter, 4 adjustable stopper 236 are still installed all around to its support plate 235 upper surface, it requires to be low frictional material, prevent the scratch to be surveyed the product. Install a biax cylinder 233 in two cylinder mounting grooves on anchor clamps bottom plate 232 respectively, a wheat sprue 234 is installed to biax cylinder 233's ejector pad upper surface, its material is soft elasticity material, the lower surface of biax cylinder 233 and the upper surface laminating of mounting groove, the screw passes on the cylinder via hole and sets up the regulation waist type groove 232d in cylinder mounting groove 232b and the nut cooperation is fixed with it, wherein adjust the fixed position of waist type groove 232d for adjusting biax cylinder 233 according to wheat sprue 234 jam condition, guarantee that wheat sprue 234 can be intact will be surveyed the wheat mouth on the product and stop up.

As shown in fig. 8 to 11, the free field testing mechanism 3 is composed of a free field fixing frame 31, a camera fixing and adjusting mechanism 32, a mark wheat fixing and adjusting mechanism 33, and an artificial mouth fixing and adjusting mechanism 37, the free field fixing frame 31 is arranged in the center of the bottom wall of the top of the soundproof box through four connecting rods, the fixing frame 31 is composed of two

fixing strips

31a and 4 connecting rods 31b, a plurality of connecting rod 31b mounting holes are uniformly distributed on the side surface of the fixing strip 31a, and the positions of the connecting rods on the fixing strips can be determined according to actual requirements.

The camera fixing and adjusting mechanism is composed of a first adjusting block 321, a second adjusting block 322 and a third adjusting block 323, wherein two circular through holes are formed in the side face of the first adjusting block 321, a groove is formed in the upper surface of the first adjusting block, four threaded holes are uniformly distributed in the bottom surface of the groove, two fastening threaded holes 321a are respectively formed in the surfaces of steps on the left side and the right side of the groove, the fastening threaded holes 321a penetrate through the circular through holes formed in the side face, the two circular through holes in the side face of the first adjusting block 321 are connected with two connecting rods 31b on the free field fixing frame 31 in a sliding fit mode to connect the camera fixing and adjusting mechanism 31 to the free field fixing frame 31, and the camera fixing and adjusting mechanism can be adjusted and fixed in the Y direction. Two regulating blocks 322 are L-shaped blocks, two X-shaped regulating grooves 322a are formed in the long side blocks of the two regulating blocks, a groove is formed in the middle of the short side blocks, four threaded holes are symmetrically formed in the bottom of the groove, fastening threaded holes are provided with fastening screws, a first regulating block 321 is connected with a connecting rod 31b, and a bolt is arranged in the X-shaped regulating groove 322a to connect the second regulating block 322 with the first regulating block 321. The third adjusting block 323 is a rectangular block, two Z-direction adjusting grooves 323a are symmetrically arranged on two sides of the third adjusting block, which are close to the long side, the Z-direction adjusting grooves 323a are provided with bolts, the third adjusting block is connected with the second adjusting block 322, the X-direction adjusting grooves 322a and the Z-direction adjusting grooves 323a are waist-shaped grooves, and the X-direction adjusting grooves are perpendicular to the Z-direction adjusting grooves.

The camera 34 is installed on the third adjusting block 323, and the camera 34 is used for photographing to detect whether the LCD display of the product is normal.

The bolt can slide in X to adjustment tank 322a, Z to adjustment tank 323a to and the regulating block one can slide on connecting rod 31b, when will camera 34's position is adjusted to required position, again with bolt and fastening screw tighten, realize adjustable fastening connection, make camera 34's position can realize X to, Y to and Z to the regulation, can adjust camera 34's position in three-dimensional space, in order to adapt to multiple product test demand.

The mark wheat fixing mechanism 33 is composed of a fixing block 331, a guide rod 332, a clamping block 333, a mark wheat Z-direction adjusting rod 334 and a mark wheat fixing piece 335, wherein the front of the fixing block 331 is provided with two guide rod mounting holes, the upper part of the side surface is provided with a circular through hole, the top of the fixing block is provided with two fastening threaded holes 331a, as shown in fig. 8, the circular through holes on the side surfaces of the two fixing blocks are in sliding connection with two connecting rods on the free field fixing frame to connect the mark wheat fixing mechanism on the free field fixing frame 31, so that the mark wheat fixing and adjusting mechanism can be adjusted and fixed in the Y direction. The clamping block 333 is a square block with a notch at one end, two circular through holes are formed in the lower portion of the front face, a fastening threaded hole 333a is formed in the upper left corner, a guide rod installation through hole is formed in the top face, a cutting groove is formed in the side face of the upper portion of the guide rod installation through hole, the two guide rods 332 penetrate through the two circular through holes in the lower portion of the upper front face of the clamping block 333 and are connected in a sliding mode, two ends of each guide rod 332 are respectively arranged in the guide rod installation holes in the fixing blocks 331, the clamping block 333 is fixed between the two fixing blocks 331, a Z-direction adjusting rod 334 of the standard wheat penetrates through the guide rod installation holes formed in the top face of the clamping block 333 and is connected with the fixing piece 335 of the standard wheat, the Z-direction adjusting rod 334 of the standard wheat can slide up and down in the guide rod installation holes in the clamping block 333, and the two guide rods 332 between the Z-direction adjusting rod 334 of the standard wheat and the two fixing blocks are perpendicular to each other. The marked wheat is fixed on the marked wheat fixing piece, fastening screws are arranged on the fastening threaded holes 331a and the fastening threaded holes 333a, and when the corresponding testing position of the marked wheat is adjusted, the fastening screws are screwed down.

As shown in fig. 8 and 11, the artificial mouth 36 employs a similar label holding mechanism 33 to adjust the appropriate test position.

The standard microphone 35 and the artificial mouth 36 are used for matching with an audio test of a terminal product, one provides an audio source for the terminal product, and the other collects the sound processed by the terminal product and judges the signal-to-noise ratio, the distortion ratio and the like by software.

The display device 4 is arranged in front of the top of the sound insulation box body, the position of the display device is adjustable, and the wire harness on the display device 4 is connected with a computer 6 in the cabinet 5 through a wire distributing groove.

The test procedure was as follows: putting two terminal products into a double-station rotary clamp → pressing a double-start switch → enabling the drawer to enter a box to reach a test position → starting the test (simultaneously testing products at the left and right stations, performing LCD display detection on the products at the left side, performing audio test on the products at the right side, completing the test at both sides, driving a carrier plate to rotate by a rotary cylinder to change the two products by 180 degrees to perform respective second test), → completing the test → displaying the test result on a display device → withdrawing the drawer → taking out the products.

The test equipment structure device (can test two products with different test items simultaneously, and after one test item is finished, the loading platform is controlled to rotate 180 degrees, and then the next test item which is not tested is tested simultaneously).

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. Each functional unit in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The present invention is not limited to the embodiments discussed above. The foregoing description of the specific embodiments is intended to illustrate and describe the technical solutions of the present invention. Obvious modifications or alternatives based on the teachings of the invention should also be considered to fall within the scope of the invention. The above detailed description is provided to disclose the best mode of carrying out the invention, so that those skilled in the art can apply the invention in its various embodiments and in its various alternative ways to achieve the objects of the invention.

Claims

1. An LCD and audio two-in-one testing device is characterized by comprising:

the device comprises a sound insulation box assembly, a drawer assembly, a free field testing assembly and a display device;

the display device is arranged in front of the top of the sound insulation box body, and the position of the display device is adjustable;

the drawer assembly comprises a drawer back plate and a clamp placing table, wherein the drawer back plate is used for sealing a product inlet on the sound insulation box;

the free field testing mechanism comprises a free field fixing frame, a camera fixing and adjusting mechanism, a mark wheat fixing and adjusting mechanism and an artificial mouth fixing and adjusting mechanism;

the camera is connected with the camera fixing and adjusting mechanism, the camera fixing and adjusting mechanism is used for adjusting the vertical and front and back positions of the camera, and the camera is used for photographing and detecting whether the LCD display of the product is normal or not;

the artificial mouth is connected with the artificial mouth fixing and adjusting mechanism, and the artificial mouth fixing and adjusting mechanism is used for adjusting the upper position, the lower position, the front position and the rear position of the artificial mouth;

the mark wheat is connected with a mark wheat fixing and adjusting mechanism, and the mark wheat fixing and adjusting mechanism is used for adjusting the vertical and front and back positions of the mark wheat;

the standard wheat is matched with the artificial mouth for audio test, the artificial mouth provides a sound source, and the standard wheat collects the processed sound.

2. The LCD and audio two-in-one test device as recited in claim 1,

the camera fixing and adjusting mechanism, the mark wheat fixing and adjusting mechanism and the artificial mouth fixing and adjusting mechanism are movably connected with the free field fixing frame and can be shifted to a reasonable position to be fixed according to actual requirements.

3. The LCD and audio two-in-one test device as recited in claim 2,

the free field fixing frame is arranged in the center of the bottom wall of the top of the sound insulation box through four connecting rods;

the fixing frame consists of two fixing strips and strip connecting rods, and a plurality of connecting rod mounting holes are uniformly distributed on the side surfaces of the fixing strips.

4. The LCD and audio two-in-one test device as recited in claim 3,

the camera fixing and adjusting mechanism consists of a first adjusting block, a second adjusting block and a third adjusting block, wherein one side surface of the adjusting block is also provided with two circular through holes, the upper surface of the adjusting block is provided with a groove, the bottom surface of the groove is uniformly distributed with four threaded holes, the surfaces of steps at the left side and the right side of the groove are also respectively provided with two fastening threaded holes, the fastening threaded holes penetrate through the circular through holes arranged at the side surface, the two circular through holes at one side surface of the adjusting block are connected with two connecting rods on the free field fixing frame in a sliding fit manner to connect the camera fixing and adjusting mechanism on the free field fixing frame, so that the camera fixing and adjusting mechanism can be adjusted and fixed in the Y direction;

the adjusting block II is an L-shaped block, two X-direction adjusting grooves are formed in the long edge block of the adjusting block II, a groove is formed in the middle of the short edge block, four threaded holes are symmetrically formed in the bottom surface of the groove, fastening screws are arranged in the fastening threaded holes, the adjusting block I is connected with the connecting rod, a bolt is arranged in the X-direction adjusting groove, and the adjusting block II is connected with the adjusting block I;

the regulating block three is a rectangular block, and its bilateral symmetry that is close to long limit is provided with two Z to the adjustment tank, Z is equipped with the bolt to the adjustment tank, will the regulating block with the regulation block two is connected, wherein X is waist type groove to adjustment tank and Z to the adjustment tank, just X is perpendicular to adjustment tank and Z to the adjustment tank mutually, and the camera is installed on the regulating block three.

5. The LCD and audio two-in-one test device as recited in claim 1,

the sound insulation box component consists of a box body and a box body side door, and sound insulation cotton is stuck on the inner wall of the box body and the inner wall of the box body side door.

6. The LCD and audio two-in-one test device as recited in claim 5,

the box body is provided with a product inlet and a maintenance window, and the lower parts of the left side and the right side of the box body are symmetrically provided with a handle.

7. The LCD and audio two-in-one test device as recited in claim 6,

an L-shaped wiring groove is installed at the top of the box body, a pen-shaped air cylinder is installed in the middle of the back face of the bottom of the box body, and two long linear bearing blocks are symmetrically distributed on two sides of the front portion of the air cylinder and are connected with the back face of the bottom of the box body in an attached mode.

8. The LCD and audio two-in-one test device as claimed in claim 7,

the rack sets up in the sound-proof box bottom, and the inside control components and parts of having placed of rack.