CN108776400B - Portable electronic screen test fixture of angularly adjustable - Google Patents
Portable electronic screen test fixture of angularly adjustable Download PDFInfo
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- CN108776400B CN108776400B CN201810782927.3A CN201810782927A CN108776400B CN 108776400 B CN108776400 B CN 108776400B CN 201810782927 A CN201810782927 A CN 201810782927A CN 108776400 B CN108776400 B CN 108776400B
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 239000002184 metal Substances 0.000 claims description 122
- 238000005452 bending Methods 0.000 claims description 37
- 239000000523 sample Substances 0.000 claims description 21
- 238000002788 crimping Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 5
- 241000276425 Xiphophorus maculatus Species 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an angle-adjustable portable electronic screen testing jig which comprises a mounting seat and a rack, wherein the rack is hinged with the mounting seat through a hinge shaft, an angle adjusting device is arranged between the mounting seat and the rack, a PG (pulse-height) testing box, a carrier and a POGO conducting device are arranged on the rack, the PG testing box is electrically connected with the POGO conducting device, the carrier is of an integrated plate-shaped structure, a supporting boss and a limiting structure are arranged on one side surface of the carrier, the limiting structure is arranged on the periphery of the supporting boss, the limiting structure comprises a guide groove arranged on the surface of the carrier and a limiting block connected in the guide groove in a sliding fit manner, and the limiting block is connected with the carrier through the positioning structure. The invention has simple structure and convenient carrying, and can be suitable for lighting tests of electronic screens with various sizes on the premise of not integrally replacing the carrier.
Description
Technical Field
The invention relates to a portable electronic screen test fixture, belongs to the technical field of non-standard product testing of electronic screens and the like, and particularly relates to a portable electronic screen test fixture with an adjustable angle.
Background
With the continuous improvement of the living standard of people and the rapid development of flat panel displays, liquid crystal electronic screens are widely used in industry as a common product. In general, products are required to be detected after the production of the liquid crystal electronic screen is completed, and an operator is generally connected with an electrical part of the liquid crystal electronic screen to be detected manually by the detection method, and then the liquid crystal electronic screen is subjected to lighting test by utilizing the PG test box, so that a plurality of electronic screen lighting test jigs are derived. As disclosed in chinese patent CN106646947a, a FOG liquid crystal screen Gamma tuning test fixture is disclosed, which not only can perform lighting test on a liquid crystal screen, but also can adjust the inclination angle of a test workbench surface as required, and meanwhile, the specification describes a positioning carrier of a split structure, wherein the positioning carrier of the Gamma tuning test fixture comprises a connecting plate and a carrier plate; the connecting plate is detachably connected with the surface of the working table; the carrier plate is connected with the surface of the connecting plate, the surface of the carrier plate is provided with a groove for accommodating and limiting the liquid crystal screen to be tested, and the surface of the carrier plate is also provided with a guide groove; one end of the guide groove is communicated with the groove, and the other end of the guide groove extends to the end part of the automatic conduction device; the vacuum device is positioned at the bottom of the groove, positions and limits the liquid crystal screen to be tested through the groove, and guides the FPC of the liquid crystal screen to be tested to the clamping end of the automatic conduction device through the guide groove; the liquid crystal screens with different sizes correspond to a positioning carrier, the liquid crystal screens with the same size are provided with corresponding guide grooves according to FPC with different shapes, and the technical scheme of the positioning carrier has the following defects: 1. the positioning carrier is a special carrier, and liquid crystal screens with different sizes are required to be independently designed into positioning carriers with different shapes, so that the positioning carrier has no universality and the design, manufacturing and processing costs are increased; 2. the positioning carrier adopts a split structure of the connecting plate and the carrier plate, which is not beneficial to manufacture and assembly; 3. the part of the positioning carrier for installing and positioning the liquid crystal screen is of a groove structure, so that the requirement on processing precision is high, and the liquid crystal screen is inconvenient to take and place.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the portable electronic screen testing jig with adjustable angle, which can be suitable for testing liquid crystal electronic screens with various sizes on the premise of not replacing a positioning carrier.
In order to solve the technical problems, the portable electronic screen testing jig with the adjustable angle comprises a mounting seat and a rack, wherein the rack is hinged with the mounting seat through a hinge shaft, an angle adjusting device is arranged between the mounting seat and the rack, a PG test box, a carrier and a POGO conducting device are arranged on the rack, the PG test box is electrically connected with the POGO conducting device, the carrier is of an integrated plate-shaped structure, a supporting boss for supporting an electronic screen to be tested and a limiting structure for positioning the electronic screen to be tested and preventing the electronic screen from tilting when the electronic screen is overturned are arranged on one side surface of the carrier, the limiting structure is arranged around the supporting boss, and comprises a guide groove arranged on the surface of the carrier and a limiting block connected in the guide groove in a sliding fit manner, and the limiting block is connected with the carrier through a positioning structure.
In a preferred embodiment of the present invention, the positioning structure includes a threaded hole provided in the guide groove, a waist-shaped hole provided on the stopper, and a fixing bolt connected to the threaded hole through the waist-shaped hole, and the arrangement position of the threaded hole corresponds to the arrangement position of the waist-shaped hole.
In a preferred embodiment of the invention, the limiting block comprises a positioning stop block used for being matched and positioned with the side surface of the electronic screen to be tested and an anti-falling stop block used for being matched and positioned with the upper end surface of the electronic screen to be tested to prevent the electronic screen from falling down when the electronic screen to be tested is overturned, the positioning stop block is connected in the guide groove in a sliding fit manner, and the anti-falling stop block is fixedly connected with the upper end of the positioning stop block.
In a preferred embodiment of the present invention, the anti-falling block is made of a transparent material, and does not block the line of sight of a tester for observing the electronic screen to be tested when the electronic screen to be tested is lighted.
In a preferred embodiment of the invention, the positioning stop block comprises a T-shaped block for being matched and positioned with the side surface of the electronic screen to be tested and a connecting sliding block for being matched and positioned with the guide groove in a sliding mode, a connecting boss is arranged on the T-shaped block, a connecting groove for being matched with the connecting boss is arranged on the connecting sliding block, and the T-shaped block is buckled and connected with the connecting sliding block through the matching of the connecting boss and the connecting groove.
In a preferred embodiment of the invention, the limiting structures are symmetrically arranged on the long edges of the two sides of the carrier, and the wide edge of the carrier close to the hinge shaft side is provided with the limiting structures.
In a preferred embodiment of the present invention, the angle adjusting device includes a side plate fixedly connected to the mounting base, the side plate is disposed at two sides of the stand, the side plate and the hinge shaft are disposed perpendicular to each other, a circular arc hole is disposed on the side plate, a center line of the circular arc hole coincides with a center axis of the hinge shaft, a threaded hole is disposed on a side surface of the stand, a distance between the center axis of the threaded hole and a center axis of the hinge shaft corresponds to a radius of the circular arc hole, and a fixing bolt is connected to the threaded hole, and passes through the circular arc hole to be in threaded connection with the threaded hole.
In a preferred embodiment of the present invention, the crimp elastic piece in the POGO conducting device is in a flat plate structure, and the crimp elastic piece includes a first metal switching part for connecting with a product connector, a second metal switching part for connecting with an FPC, and a metal bending part for connecting with the first metal switching part and the second metal switching part, wherein the first metal switching part, the second metal switching part and the metal bending part are integrally formed, probe heads are respectively provided on the first metal switching part and the second metal switching part, the metal bending part is composed of two parallel metal conduction bands arranged at intervals, each metal conduction band is made of a material which can conduct electricity and can elastically deform, and the width of the probe head is not less than 4 and not more than the width of each metal conduction band is not more than the width of the probe head.
In a preferred embodiment of the present invention, the side surface of the first metal switching part is provided with a first protrusion for counteracting the resilience force of the first metal switching part, and the center of gravity of the first protrusion and the center of the metal bending part are located on the same side of the first metal switching part.
In a preferred embodiment of the present invention, a second protrusion for counteracting the resilience of the second metal switching part is provided at a side of the second metal switching part, and a center of gravity of the second protrusion and a center of the metal bending part are located at the same side of the second metal switching part.
In a preferred embodiment of the invention, the bench comprises a bottom plate and a top plate which are arranged in parallel, the top plate is fixedly connected above the bottom plate through a stand column, the PG test box is arranged between the bottom plate and the top plate and fixedly connected with the bottom plate, the carrier is fixedly connected with the upper end surface of the top plate, and the bottom plate is hinged with the mounting seat through a hinge shaft.
The beneficial effects of the invention are as follows: the invention has simple structure and convenient carrying, and can be suitable for lighting tests of electronic screens with various sizes on the premise of not integrally replacing the carrier; according to the invention, the carrier is designed into an integrated plate-shaped structure, and the support boss, the guide groove and the limiting block connected in the guide groove in a sliding fit manner are arranged on the carrier, so that the carrier can effectively position and fix electronic screens with various sizes (3-9 inches), and the electronic screens can not fall down during angle adjustment; furthermore, the invention discloses a positioning structure for fixing the position of the limiting block, which comprises a threaded hole, a waist-shaped hole and a fixing bolt, wherein the structure is convenient to process and manufacture, and the position of the limiting block can be conveniently and rapidly adjusted according to electronic screens with different sizes; furthermore, the limiting block is designed into a split structure of the positioning stop block and the anti-falling stop block, so that the anti-falling stop block can be replaced in time according to the thickness of the electronic screen with different sizes (3-9 inches), and the electronic screen is prevented from falling down in the overturning process; furthermore, the positioning stop block is designed into a split type buckling structure of the T-shaped block and the connecting slide block, so that the T-shaped block can be replaced in time according to the widths of electronic screens with different sizes (3-9 inches), the carrier can effectively position and fix the electronic screens with various sizes (3-9 inches), and meanwhile, the connecting slide block is designed into a standard part form, so that batch manufacturing and assembly of the electronic screen are facilitated; furthermore, the invention effectively lightens the whole weight of the invention by reasonably arranging the positions of the limiting structures (1 limiting structure is symmetrically arranged on the long edges of the two sides of the carrier, and 1 limiting structure is arranged on the wide edge of the carrier close to the hinge shaft side), thereby facilitating the carrying of the invention; furthermore, the invention can conveniently and rapidly adjust the inclination angle of the bench according to the test requirement by the design of the angle adjusting device; furthermore, the structure design is carried out on the crimping shrapnel used for connecting the FPC in the POGO conducting device, the width of the metal conduction band is optimized, and the metal bending part is designed into two parallel metal conduction bands, so that the area of the metal bending part used for conducting electricity is effectively increased, the impedance of the crimping shrapnel is reduced, the conductivity of the crimping shrapnel is improved, and meanwhile, the crimping shrapnel only comprises one metal bending part which plays a role of spring reset and also plays a role of conducting electricity, compared with a comparison document, the spring part is omitted, and the manufacturing of the crimping shrapnel is facilitated; furthermore, the metal bending part is designed into any one of C shape, S shape, M shape, I shape, arch shape and multiple S shapes, so that the area of the metal bending part is further increased, and the crimping shrapnel has smaller impedance and better conductivity; furthermore, the invention enables the force of the probe when contacting the product connector and the FPC to be buffered by arranging the metal arc conduction band between the first metal switching part and the metal bending part and between the second metal switching part and the metal bending part; furthermore, through the through holes arranged on the probe head of the second metal switching part, the probe deforms when being connected with the FPC, so that the contact area between the probe and the FPC is increased, and the success rate of the test is improved; furthermore, the first bulge with the same bending direction is arranged on the first metal switching part, and the second bulge with the same bending direction is arranged on the second metal switching part, so that the moment generated when the first metal switching part and the second metal switching part return and rebound is effectively balanced, and the whole structure of the crimping spring plate is not damaged when the crimping spring plate returns after compression; finally, through the shape design of the probe head, the crimping shrapnel can be used for connecting various products with machines, thereby improving the universality of the crimping shrapnel; furthermore, the invention designs the double-layer structure of the test jig rack and integrates the PG test box, the POGO conducting device and the carrier on the upper layer and the lower layer of the rack, thereby effectively reducing the whole occupied area of the jig and facilitating the outgoing carrying of operators.
Drawings
FIG. 1 is a schematic diagram of a portable electronic screen testing fixture with adjustable angle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portable electronic screen testing fixture with adjustable angle according to an embodiment of the present invention; (inclined state)
FIG. 3 is an exploded view of a carrier of an angle-adjustable portable electronic screen test fixture according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a carrier structure of a portable electronic screen testing fixture with adjustable angle according to an embodiment of the invention;
FIG. 5 is a front view of a carrier of an angle-adjustable portable electronic screen test fixture according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a limiting structure of an angle-adjustable portable electronic screen testing fixture mounted on a carrier according to an embodiment of the present invention;
FIG. 7 is an exploded view of a limiting structure of an angle-adjustable portable electronic screen test fixture according to an embodiment of the present invention;
FIG. 8 is an assembly diagram of a limiting structure of an angle-adjustable portable electronic screen test fixture according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a POGO conducting device of an angle-adjustable portable electronic screen test fixture according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a press-connection spring of a POGO conducting device of an angle-adjustable portable electronic screen testing jig according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a POGO conducting device crimping spring of an angle-adjustable portable electronic screen test fixture according to an embodiment of the present invention;
in the figure: 1-a mounting base; 2-a rack; 3-PG test box; 4-a carrier; a 5-POGO conducting device; 6-hinging shaft; 7-a threaded hole; 8-fixing bolts; 9-a limiting structure; 10-an angle adjusting device; 11-circular arc holes; 12-positioning structure; 13-FPC briquetting 14-electronic screen to be tested; 15-crimping an elastic sheet; 1.1-side plates; 2.1-a bottom plate; 2.2-top plate; 2.3-upright posts; 4.1-supporting bosses; 5.1-a first metal adapter; 5.2-a second metal adaptor; 5.3-metal bends; 5.3.1-metal conduction band; 5.1.1-first protrusions; 5.2.1-second protrusions; 9.1-a guide groove; 9.2-limiting blocks; 9.2-1-positioning stop blocks; 9.2-2-anti-drop block; 9.2-11-T blocks; 9.2-12-connecting sliding blocks; 9.2-111-connecting bosses; 9.2-121-connecting grooves; 12.1-a threaded hole; 12.2-waist-shaped holes.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The portable electronic screen test fixture with adjustable angle shown in the attached drawing of the specification comprises a mounting seat 1 and a rack 2, wherein the rack 2 is hinged with the mounting seat 1 through a hinge shaft 6, an angle adjusting device 10 is arranged between the mounting seat 1 and the rack 2, a PG test box 3, a carrier 4 and a POGO conducting device 5 are arranged on the rack 2, the PG test box 3 is electrically connected with the POGO conducting device 5, an electronic screen to be tested which is arranged on the carrier 4 is electrically connected with the POGO conducting device 5 through an FPC, in order to lighten the quality of the carrier 4 and enable the electronic screen to be suitable for lighting tests of electronic screens with various sizes, the carrier 4 is formed by stamping an integrated plate-shaped structure, a supporting boss 4.1 for supporting the electronic screen to be tested and a limiting structure 9 for positioning the electronic screen to be tested and preventing the electronic screen from tilting during overturning are machined on one side surface of the carrier 4, the limiting structure 9 is arranged on the periphery of the supporting boss 4.1, the limiting structure 9 can be driven to move manually or pneumatically, the limiting structure 9 comprises a guide groove 9.1 arranged on the surface of the carrier 4 and a guide groove 9.1 in a sliding fit connection with the guide groove 9.2.2, and the positioning structure is connected with the limiting block 2.2.
Further, an embodiment of a positioning structure 12 is disclosed in the drawings of the present invention, which includes a threaded hole 12.1 disposed in the guide slot 9.1, a waist-shaped hole 12.2 disposed on the stopper 9.2, and a fixing bolt connected with the threaded hole 12.1 through the waist-shaped hole 12.2, where the arrangement position of the threaded hole 12.1 corresponds to the arrangement position of the waist-shaped hole 12.2. It should be pointed out that the technical scheme that the threaded hole 12.1 is arranged on the limiting block 9.2, the waist-shaped hole 12.2 is arranged on the guide groove 9.1, and the limiting block 9.2 is driven by the air valve connected through the air passage belongs to the protection scope of the invention.
Furthermore, the limiting block 9.2 comprises a positioning stop block 9.2-1 used for being matched and positioned with the side face of the electronic screen to be tested and an anti-falling stop block 9.2-2 used for being matched and positioned with the upper end face of the electronic screen to be tested to prevent the electronic screen from falling down when the electronic screen to be tested is overturned, the positioning stop block 9.2-1 is connected in the guide groove 9.1 in a sliding fit manner, the anti-falling stop block 9.2-2 is fixedly connected to the upper end of the positioning stop block 9.2-1 through a screw, and the end part of the anti-falling stop block 9.2-2 can be processed into a wedge surface, so that the anti-falling electronic screen overturning device is suitable for anti-falling of electronic screens with different sizes when the electronic screen is overturned.
Further, the positioning stop block 9.2-1 comprises a T-shaped block 9.2-11 for being matched and positioned with the side face of the electronic screen to be tested and a connecting sliding block 9.2-12 for being matched and positioned with the guide groove 9.1 in a sliding mode, a connecting boss 9.2-111 is arranged on the T-shaped block 9.2-11, a connecting groove 9.2-121 for being matched with the connecting boss 9.2-111 is arranged on the connecting sliding block 9.2-12, and the T-shaped block 9.2-11 is buckled with the connecting sliding block 9.2-12 through the matching of the connecting boss 9.2-111 and the connecting groove 9.2-121. The connecting sliding blocks 9.2-12 can be designed into standard parts for batch processing, and the T-shaped blocks 9.2-11 can be replaced at any time according to the requirements of electronic screens with different sizes.
Limiting structures 9 are symmetrically arranged on the long edges of the two sides of the carrier 4, and limiting structures 9 are arranged on the wide edges of the carrier 4, which are close to the hinge shaft 6.
Further, the angle adjusting device 10 comprises a side plate 1.1 fixedly connected to the mounting seat 1, the side plate 1.1 is arranged on two sides of the rack 2, the side plate 1.1 and the hinge shaft 6 are mutually perpendicular, the side plate 1.1 is provided with a circular arc hole 11, the central line of the circular arc hole 11 coincides with the central axis of the hinge shaft 6, the side surface of the rack 2 is provided with a threaded hole 7, the distance between the central axis of the threaded hole 7 and the central axis of the hinge shaft 6 corresponds to the curved path of the circular arc hole 11, the threaded hole 7 is connected with a fixing bolt 8, and the fixing bolt 8 penetrates through the circular arc hole 11 to be in threaded connection with the threaded hole 7. It should be noted that the angle adjusting device 10 is not limited to the above-mentioned technical solution, and the angle adjusting device disclosed in chinese patent CN201309083Y can be used in the present invention.
Furthermore, the crimp elastic piece 15 for connecting the FPC in the POGO conducting device 5 of the present invention is a flat plate structure, the crimp elastic piece 15 is used for connecting the first metal switching part 5.1 of the product connector, the second metal switching part 5.2 for connecting the FPC, and the elastically deformable metal bending part 5.3 for conducting the first metal switching part 5.1 and the second metal switching part 5.2, and the metal bending part 5.3 provides elastic deformation that the first metal switching part 5.1 and the second metal switching part 5.2 approach each other axially or are away from each other axially, the elastic deformation is equivalent to the spring of the conventional probe, so that the probe can not guarantee a good foundation for a long time. The first metal switching part 5.1 and the second metal switching part 5.2 are respectively provided with a probe head, and the first metal switching part 5.1, the second metal switching part 5.2 and the metal bending part 5.3 are integrally formed. The metal bending part 5.3 consists of two parallel metal conduction bands 5.3.1 which are arranged at intervals, the width/4 of the probe head is less than or equal to the width/3 of each metal conduction band 5.3.1, each metal conduction band 5.3.1 is made of a material which can conduct electricity and elastically deform, and meanwhile, the width of the metal bending part 5.3 is 2-4 times that of the probe head. The optimal scheme of the invention is as follows: the width of the metal bending part 5.3 is 3 times of the width of the probe head. By increasing the width of the metal bending part 5.3, the conductive area of the metal bending part 5.3 can be effectively increased, thereby reducing the impedance of the crimping shrapnel and improving the conductivity of the crimping shrapnel. Each metal conduction band 5.3.1 is made of a material which can conduct electricity and can elastically deform, the impedance of each metal conduction band 3.1 is smaller than 50 milliohms, the overcurrent capacity of each metal conduction band 5.3.1 is larger than 3 amperes, and the metal conduction bands 5.3.1 of the invention can be used for the invention as long as the two requirements are met, any material and shape of the metal conduction bands 5.3.1 which can conduct electricity and can realize elastic deformation can be used for the invention, the service life of each metal conduction band 5.3.1 is 20 ten thousand times, and the service temperature is-40 ℃ to +120 ℃. Further, the projection shape of the metal bending part 5.3 along the thickness direction of the metal bending part comprises any one of C shape, M shape, S shape, I shape, bow shape and multiple S shape. Through reasonable selection of the shape of the metal bending part 5.3, the impedance of the crimping shrapnel can be effectively reduced and the conductivity of the crimping shrapnel can be improved. Further, in order to enable the present invention to effectively buffer when being connected with a product connector and an FPC, a metal arc-shaped conduction band 5.4 is provided between the first metal switching part 5.1 and the metal bending part 5.3, a metal arc-shaped conduction band 5.4 is provided between the second metal switching part 5.2 and the metal bending part 5.3, and the metal arc-shaped conduction band 5.4 is made of a material which can be conductive and elastically deformed, and can be semicircular, arc-shaped or the like.
Furthermore, in order to increase the contact area between the second metal switching part 5.2 and the FPC, through holes are designed on the probe heads of the second metal switching part, and meanwhile, the number of the probe heads is increased; the probe head is also made of a material which can conduct electricity and can elastically deform. Further, in order to balance the moment generated by the first metal switching part 5.1 and the second metal switching part 5.2 during compression rebound, the first protrusion 5.1.1 for counteracting the rebound force of the first metal switching part 5.1 is arranged on the first metal switching part 5.1, and the direction of the first protrusion 5.1.1 is the same as the bending direction of the metal bending part 5.3; the second metal adapter part 5.2 is provided with a second bulge 5.2.1 for counteracting the resilience force of the second metal adapter part 5.2, and the direction of the second bulge 5.2.1 is the same as the bending direction of the metal bending part 5.3. Further, in order to use the connector for testing various products, the probe head of the first metal adapter 1 of the present invention is any one of a P-head, a B-head, a T-head, an F-head, a W-head, an M-head, a V-head, an O-head, and an R-head; the shape of the probe head of the second metal adapter part 2 is any one of P head, B head, T head, F head, W head, M head, V head, O head and R head. The side of the further first metal adapter part 5.1 is provided with a first bulge 5.1.1 for counteracting the resilience force of the first metal adapter part 5.1, and the center of gravity of the first bulge 5.1.1 and the center of the metal bending part 5.3 are positioned on the same side of the first metal adapter part 5.1. Further, a second protrusion 5.2.1 for counteracting the resilience force of the second metal switching part 5.2 is arranged on the side surface of the second metal switching part 5.2, and the center of gravity of the second protrusion 5.2.1 and the center of the metal bending part 5.3 are located on the same side of the second metal switching part 5.2.
The rack 2 comprises a bottom plate 2.1 and a top plate 2.2 which are arranged in parallel, wherein the top plate 2.2 is fixedly connected above the bottom plate 2.1 through a stand column 2.3, a PG test box 3 is arranged between the bottom plate 2.1 and the top plate 2.2 and fixedly connected with the bottom plate 2.1, a carrier 4 is fixedly connected to the upper end surface of the top plate 2.2, and the bottom plate 2.1 is hinged with a mounting seat 1 through a hinge shaft 6.
When the invention is used, a tester puts the electronic screen to be tested on the carrier 4, adjusts the position of the limiting block 9.2 according to the size of the electronic screen to be tested, then presses the FPC of the electronic screen to be tested against the POGO conducting device 5, so that the angle of the rack 2 relative to the mounting seat 1 can be adjusted after the FPC is conducted with the PG test box 3, and the test can be started after the FPC is observed comfortably by human eyes.
It should be understood that the foregoing is only illustrative of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides an angularly adjustable portable electronic screen test tool, includes mount pad (1) and rack (2), rack (2) pass through hinge (6) with mount pad (1) are articulated, mount pad (1) with be provided with angle adjustment device (10) between rack (2), be provided with PG test box (3), carrier (4) and POGO on rack (2) and switch on device (5), PG test box (3) with POGO switches on device (5) electricity and is connected, its characterized in that: the electronic screen is characterized in that the carrier (4) is of an integrated platy structure, a supporting boss (4.1) for supporting the electronic screen to be tested and a limiting structure (9) for positioning the electronic screen to be tested and preventing the electronic screen from tilting when the electronic screen to be tested is overturned are arranged on one side surface of the carrier (4), the limiting structure (9) is arranged around the supporting boss (4.1), the limiting structure (9) comprises a guide groove (9.1) arranged on the surface of the carrier (4) and a limiting block (9.2) connected in the guide groove (9.1) in a sliding fit manner, and the limiting block (9.2) is connected with the carrier (4) through a positioning structure (12); the POGO conducting device is characterized in that a crimping shrapnel used for connecting an FPC (flexible printed circuit) in the POGO conducting device (5) is of a flat plate structure, the crimping shrapnel comprises a first metal switching part (5.1) used for connecting a product connector, a second metal switching part (5.2) used for connecting the FPC and a metal bending part (5.3) used for connecting the first metal switching part (5.1) and the second metal switching part (5.2), the first metal switching part (5.1), the second metal switching part (5.2) and the metal bending part (5.3) are integrally formed, probe heads are arranged on the first metal switching part (5.1) and the second metal switching part (5.2), the metal bending part (5.3) is composed of two parallel metal conduction bands (5.3.1) which are arranged at intervals, each metal conduction band (5.3.1) is made of a material which can conduct electricity and can elastically deform, and the width/4 of each probe head is less than or equal to the width/3 of each metal conduction band (5.3.1); the side surface of the first metal switching part (5.1) is provided with a first bulge (5.1.1) for counteracting the resilience force of the first metal switching part (5.1), and the gravity center of the first bulge (5.1.1) and the center of the metal bending part (5.3) are positioned on the same side of the first metal switching part (5.1); the side of second metal switching portion (5.2) is provided with second protruding (5.2.1) that are used for counteracting second metal switching portion (5.2) resilience force, the focus of second protruding (5.2.1) with the center of metal kink (5.3) is located the same side of second metal switching portion (5.2).
2. The angle-adjustable portable electronic screen test fixture of claim 1, wherein: the positioning structure (12) comprises a threaded hole (12.1) arranged in the guide groove (9.1), a waist-shaped hole (12.2) arranged on the limiting block (9.2) and a fixing bolt penetrating through the waist-shaped hole (12.2) and connected with the threaded hole (12.1), and the arrangement position of the threaded hole (12.1) corresponds to the arrangement position of the waist-shaped hole (12.2).
3. The angle-adjustable portable electronic screen test fixture of claim 1, wherein: the limiting block (9.2) comprises a positioning stop block (9.2-1) used for being matched and positioned with the side face of the electronic screen to be tested and an anti-falling stop block (9.2-2) used for being matched and prevented from falling down when the electronic screen to be tested is overturned with the upper end face of the electronic screen to be tested, the positioning stop block (9.2-1) is connected in the guide groove (9.1) in a sliding fit mode, and the anti-falling stop block (9.2-2) is fixedly connected to the upper end of the positioning stop block (9.2-1).
4. The portable electronic screen test fixture of claim 3, wherein: the positioning stop block (9.2-1) comprises a T-shaped block (9.2-11) used for being matched and positioned with the side face of the electronic screen to be detected and a connecting sliding block (9.2-12) used for being matched with the guide groove (9.1) in a sliding mode, a connecting boss (9.2-111) is arranged on the T-shaped block (9.2-11), a connecting groove (9.2-121) used for being matched with the connecting boss (9.2-111) is arranged on the connecting sliding block (9.2-12), and the T-shaped block (9.2-11) is buckled and connected with the connecting groove (9.2-121) through the connecting boss (9.2-111).
5. The angle-adjustable portable electronic screen test fixture of claim 1, wherein: limit structures (9) are symmetrically arranged on long edges of two sides of the carrier (4), and limit structures (9) are arranged on wide edges, close to the hinge shaft (6), of the carrier (4).
6. The angle-adjustable portable electronic screen test fixture of claim 1, wherein: the angle adjusting device (10) comprises side plates (1.1) fixedly connected to the mounting base (1), the side plates (1.1) are arranged on two sides of the rack (2), the side plates (1.1) are arranged perpendicular to the hinge shaft (6), arc-shaped holes (11) are formed in the side plates (1.1), the center lines of the arc-shaped holes (11) coincide with the center axis of the hinge shaft (6), threaded holes (7) are formed in the side surfaces of the rack (2), the distance between the center axes of the threaded holes (7) and the center axes of the hinge shaft (6) corresponds to the curved path of the arc-shaped holes (11), fixing bolts (8) are connected to the threaded holes (7), and the fixing bolts (8) penetrate through the arc-shaped holes (11) to be in threaded connection with the threaded holes (7).
7. The angle-adjustable portable electronic screen test fixture of claim 1, wherein: the rack (2) comprises a bottom plate (2.1) and a top plate (2.2) which are arranged in parallel, the top plate (2.2) is fixedly connected to the upper side of the bottom plate (2.1) through a stand column (2.3), the PG test box (3) is arranged between the bottom plate (2.1) and the top plate (2.2) and fixedly connected with the bottom plate (2.1), the carrier (4) is fixedly connected to the upper end face of the top plate (2.2), and the bottom plate (2.1) is hinged to the mounting seat (1) through a hinge shaft (6).
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| CN201810782927.3A CN108776400B (en) | 2018-07-17 | 2018-07-17 | Portable electronic screen test fixture of angularly adjustable |
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|---|---|---|---|
| CN201810782927.3A CN108776400B (en) | 2018-07-17 | 2018-07-17 | Portable electronic screen test fixture of angularly adjustable |
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| CN108776400A CN108776400A (en) | 2018-11-09 |
| CN108776400B true CN108776400B (en) | 2024-04-05 |
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