CN116930721B - Real-time testing device of operational amplifier - Google Patents
Real-time testing device of operational amplifier Download PDFInfo
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- CN116930721B CN116930721B CN202311042476.7A CN202311042476A CN116930721B CN 116930721 B CN116930721 B CN 116930721B CN 202311042476 A CN202311042476 A CN 202311042476A CN 116930721 B CN116930721 B CN 116930721B
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 238000003825 pressing Methods 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 32
- 230000033228 biological regulation Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/2872—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation
- G01R31/2879—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation related to electrical aspects, e.g. to voltage or current supply or stimuli or to electrical loads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07357—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with flexible bodies, e.g. buckling beams
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2865—Holding devices, e.g. chucks; Handlers or transport devices
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The application relates to the technical field of operational amplifier testing, in particular to a real-time testing device of an operational amplifier, which comprises an amplifier limit detection device for positioning and detecting a PC circuit board, wherein the amplifier limit detection device comprises a movable adjustment device arranged on a workbench, a limit placement base for limiting and placing the PC circuit board is arranged on the movable adjustment device, a self-adaptive pressing device is arranged on the movable end of the movable adjustment device, a camera is further arranged on the self-adaptive pressing device, a plurality of test pins are also arranged on the self-adaptive pressing device and uniformly distributed at equal intervals, and a voltage data detector is arranged on the side part of the movable adjustment device and is connected with the test pins.
Description
Technical Field
The application relates to the technical field of operational amplifier testing, in particular to a real-time testing device of an operational amplifier.
Background
The operational amplifier is a circuit unit with very high amplification factor, and in an actual circuit, a certain functional module is usually formed by combining a feedback network together, and can complete the functions of signal amplification, signal operation, signal processing, waveform generation, conversion and the like. In order to judge and manage the consistency of the amplification performance of the operational amplifier in production, the voltage value between the output end and the negative power supply end of the operational amplifier needs to be tested to judge whether the amplification capability of the operational amplifier and the operational amplifier are damaged.
At present, a pc circuit board needs to carry out voltage test on an operational amplifier in the maintenance process, and usually adopts a direct current 50V voltage gear of a universal meter to carry out the test, specifically, a detection pen of the universal meter is respectively connected with an output end and a negative power end of the operational amplifier, then two input ends of the operational amplifier are sequentially touched, which is equivalent to adding interference signals, if a pointer of the universal meter swings to a large extent, the operational amplifier is normal, the larger the swing is, the higher the gain of the tested operational amplifier is, the smaller the pointer swings, the amplification capability is poor, and if the pointer of the universal meter is motionless, the operational amplifier is damaged.
However, the conventional operational amplifier test structure can only test the operational amplifier on the pc circuit board manually during testing, but contacting the operational amplifier on the pc circuit board manually can result in low test efficiency, and the pc circuit board still needs to be powered on during testing, and the powered on circuit board can be damaged due to conduction if the powered on circuit board is mistakenly touched during testing.
Disclosure of Invention
Aiming at the problems existing in the prior art, the real-time testing device of the operational amplifier is provided, the detection efficiency of the detection of the operational amplifier is effectively improved through the amplifier limit detection device, and meanwhile, the circuit board is prevented from being damaged during maintenance and detection.
In order to solve the problems in the prior art, the application adopts the following technical scheme:
the utility model provides a real-time testing arrangement of operational amplifier, including the spacing detection device of amplifier that location detected the PC circuit board, the spacing detection device of amplifier is including installing the removal adjusting device on the workstation, remove and install the spacing base of placing of spacing PC circuit board on the adjusting device, remove and install the self-adaptation on adjusting device's the expansion end and support the pressure device, still be equipped with the camera on the self-adaptation supports the pressure device, still install several test needle and equidistant evenly distributed on the self-adaptation supports the pressure device, remove adjusting device's lateral part and be equipped with voltage data detector, voltage data detector is connected with the test needle.
Preferably, the movable adjusting device comprises a detection bottom plate arranged on the workbench, a top plate is arranged right above the detection bottom plate, a plurality of guide posts are arranged between the detection bottom plate and the top plate, movable lifting frames are arranged on the guide posts, transverse ball screw sliding tables are arranged on the movable lifting frames, longitudinal ball screw sliding tables are arranged on the transverse ball screw sliding tables, mounting clamping blocks are arranged on movable ends of the longitudinal ball screw sliding tables, and the movable adjusting device further comprises a first linear driver for driving the movable lifting frames to lift.
Preferably, the detection bottom plate is provided with a detection lamp, and the detection bottom plate is also provided with a detection mirror.
Preferably, the spacing base of placing is including installing the spacing guide frame on detecting the bottom plate, and the bilateral symmetry of spacing guide frame is equipped with the first spacing slide rail of several, installs a plurality of removal regulation pole on the first spacing slide rail, installs the anti-skidding tooth of elasticity on the both ends of removal regulation pole, removes and installs the several on the regulation pole and adjusts the sliding sleeve, and the lateral part of adjusting the sliding sleeve is equipped with the screw hole, installs locking threaded rod in the screw hole, and the lateral part of adjusting the sliding sleeve still is equipped with elastic expansion mechanism.
Preferably, the elastic expansion mechanism comprises a mounting frame arranged on the adjusting sliding sleeve, a plurality of second limiting sliding rails are arranged on the adjusting sliding sleeve, limiting expansion rods are arranged inside the second limiting sliding rails, limiting mounting columns are further arranged on the mounting frame, connecting blocks are arranged on the limiting mounting columns, a plurality of connecting pieces are arranged between the connecting blocks and the limiting expansion rods, and a first spring is arranged between each limiting mounting column and each connecting block.
Preferably, the top of the limiting expansion rod is provided with a conical surface, and the outer side of the limiting expansion rod is provided with an anti-slip layer.
Preferably, the self-adaptive pressing device comprises a mounting shell mounted on the mounting fixture block, an adjusting opening is arranged at the axis position of the mounting shell, a bidirectional ball screw sliding table is further mounted in the mounting shell, a plurality of infrared positioning and guiding devices are further mounted on the bidirectional ball screw sliding table, and switching and adjusting devices are mounted on the infrared positioning and guiding devices.
Preferably, the infrared positioning guide device comprises a limiting guide rail arranged on the bidirectional ball screw sliding table, a plurality of first penetrating guide holes are arranged on the limiting guide rail and are uniformly distributed at equal intervals, light holes are formed in the gaps of the first penetrating guide holes, and infrared emitters are arranged on the light holes.
Preferably, the switching adjusting device comprises a mounting seat mounted on the limiting guide rail, a plurality of second penetrating guide holes in one-to-one correspondence with the first penetrating guide holes are arranged at the bottom of the mounting seat, a plurality of equidistant third limiting slide rails are further arranged on the mounting seat, a movable pressing seat is arranged in the third limiting slide rails, a second spring is arranged between the movable pressing seat and the mounting seat, a pushing adjusting rod is arranged on the movable pressing seat, and the switching adjusting device further comprises a second linear driver for driving the pushing adjusting rod to move in a lifting mode.
Preferably, the pushing and pressing adjusting rod comprises a mounting rail mounted on the second linear driver, a pushing and pressing rack is mounted in the mounting rail, a rotary driver is further mounted on the mounting rail, and a driving gear is mounted at the output end of the rotary driver and meshed with the pushing and pressing rack.
Compared with the prior art, the application has the following beneficial effects:
through the maintenance personal with the PC circuit board place spacing place on the base, spacing place the base with the PC circuit board fixed, the PC circuit board fixed back, the maintenance personal is holding the PC circuit board through carrying electric clamp, make the PC circuit board keep circular telegram, the detection personnel drive self-adaptation through the camera cooperation and support and press the device and remove, the camera can effectually observe the position of operational amplifier on the PC circuit board, the maintenance personal is according to the operational amplifier position on the PC circuit board, remove self-adaptation through remove adjusting device and to the position directly over the operational amplifier on the PC circuit board, the maintenance personal is according to pin quantity and the position on the operational amplifier, adjust quantity and the position of the test needle on the self-adaptation support and press the device, ensure that the test needle is with the pin one-to-one of operational amplifier, after the test needle is adjusted, remove adjusting device and drive the test needle decline on the self-adaptation support and press the device and touch-to-against with the pin of operational amplifier one, voltage data detector detects through the test to the operation amplifier, the effectual detection efficiency that improves the operational amplifier detects, lead to the circuit board damage when repairing simultaneously.
Drawings
FIG. 1 is a schematic perspective view of a PC circuit board and an operational amplifier;
FIG. 2 is a perspective view of a real-time testing device of an operational amplifier;
FIG. 3 is a front view of a real-time test apparatus of an operational amplifier;
FIG. 4 is a schematic perspective view of a motion adjustment device in a real-time test device for an operational amplifier;
FIG. 5 is a schematic perspective view of a detection base plate in a real-time test apparatus for an operational amplifier;
FIG. 6 is a perspective view of a detection base plate and a spacing guide frame in a real-time testing device of an operational amplifier;
FIG. 7 is a schematic perspective view of an elastic expansion mechanism and an adjustment sleeve in a real-time testing device for an operational amplifier;
FIG. 8 is a schematic perspective view of an elastic expansion mechanism in a real-time test device for an operational amplifier;
FIG. 9 is a schematic perspective view of an adaptive pressing device and a test needle in a real-time test device of an operational amplifier;
FIG. 10 is a schematic perspective view of an adaptive hold-down device, camera and test pin in a real-time test device for an operational amplifier;
FIG. 11 is a schematic perspective view of an infrared positioning guide device, a switching regulator and a test needle in a real-time test device of an operational amplifier;
FIG. 12 is a schematic diagram showing an infrared positioning guide device, a switching regulator and a test needle in a real-time test device of an operational amplifier;
FIG. 13 is a schematic perspective view of a push-button lever in a real-time test device for an operational amplifier;
FIG. 14 is a schematic perspective view of an infrared positioning guide device in a real-time test device of an operational amplifier;
fig. 15 is a bottom view of an infrared positioning guide in a real-time test device for an operational amplifier.
The reference numerals in the figures are:
1-PC circuit board;
a 12-operational amplifier;
2-a movement adjustment device;
21-detecting a bottom plate; 211-a detection mirror; 212-detecting a lamp;
22-top plate;
23-guide posts;
24-a first linear drive;
25-a movable lifting frame;
26-a transverse ball screw sliding table;
27-a longitudinal ball screw sliding table;
28-mounting a clamping block;
3-limiting the placement base;
31-limiting guide frames; 311-a first limit slide rail;
32-moving the adjusting rod;
33-adjusting the sliding sleeve; 331-locking the threaded rod;
34-an elastic expansion mechanism; 341-mounting frame; 3411-a second limit slide rail; 342-limit expansion rod; 3421-conical surface; 3422-anti-slip layer; 343-limit mounting posts; 344-connecting blocks; 345-connector; 346-a first spring;
4-self-adapting pressing device;
41-mounting a shell;
42-a bidirectional ball screw sliding table;
43-infrared positioning and guiding device; 431-spacing guide rail; 432-a first insertion guide hole; 433-light holes; 434-an infrared emitter;
44-switching adjustment means; 441-mounting frame bases; 442-a second penetration guide hole; 443-a third limit slide rail; 445-movable pressing seat; 446-a second spring; 447-pushing the adjustment lever; 4471 mounting rails; 4472-push rack; 4473-rotary drive; 4474 a drive gear; 448-second linear drive;
5-a test needle;
6-a camera;
7-voltage data detector.
Detailed Description
The application will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the application and the specific objects and functions achieved.
As shown in fig. 1 to 15:
the utility model provides a real-time testing arrangement of operational amplifier, including the spacing detection device of amplifier that location detects PC circuit board 1, the spacing detection device of amplifier is including installing the removal adjusting device 2 on the workstation, remove and install spacing base 3 of placing of PC circuit board 1 on adjusting device 2, remove and install self-adaptation on the expansion end of adjusting device 2 and support and press device 4, still be equipped with camera 6 on the self-adaptation supports and presses device 4, still install several test needle 5 and equidistant evenly distributed on the self-adaptation supports and press device 4, the lateral part of removing adjusting device 2 is equipped with voltage data detector 7, voltage data detector 7 is connected with test needle 5.
The PC circuit board 1 can have circuit faults in use, the operational amplifier 12 of the PC circuit board 1 needs to be detected when the PC circuit board 1 is maintained and detected, the maintenance personnel adjusts the position of the limit placement base 3 preferentially, the limit placement base 3 is matched with the PC circuit board 1, the maintenance personnel places the PC circuit board 1 on the limit placement base 3, the limit placement base 3 positions and fixes the PC circuit board 1, after the PC circuit board 1 is fixed, the maintenance personnel clamps the PC circuit board 1 through transmission and electric clamps, the PC circuit board 1 keeps electrified, the detection personnel drives the self-adaptive pressure-resisting device 4 through the camera 6 in cooperation with the movement adjusting device 2, the camera 6 can effectively observe the position of the operational amplifier 12 on the PC circuit board 1, the maintenance personnel moves the self-adaptive pressure-resisting device 4 to the position right above the operational amplifier 12 on the PC circuit board 1 through the movement adjusting device 2, the number and the position of pins on the operational amplifier 12 are adjusted, the number and the positions of the pins 5 on the self-adaptive pressure-resisting device 4 are adjusted, the detection pins 5 are matched with the movement adjusting device 2 to enable the self-adaptive pressure-resisting device 4 to move, the self-adaptive pressure-resisting device 4 to the detection device 2 to be damaged when the pin 5 is matched with the detection device 2, and the detection device is in one-to one by one, and the detection device is prevented from being damaged, and the self-adaptive pressure-resisting device is prevented from being correspondingly damaged, and the detection of the pin 5 and the detection device is in response to the detection of the detection device 2, and the detection device is subjected to the detection of the corresponding to the pin 5.
As shown in fig. 1 and 3:
the movable adjusting device 2 comprises a detection bottom plate 21 arranged on a workbench, a top plate 22 is arranged right above the detection bottom plate 21, a plurality of guide posts 23 are arranged between the detection bottom plate 21 and the top plate 22, movable lifting frames 25 are arranged on the guide posts 23, transverse ball screw sliding tables 26 are arranged on the movable lifting frames 25, longitudinal ball screw sliding tables 27 are arranged on the transverse ball screw sliding tables 26, mounting clamping blocks 28 are arranged on movable ends of the longitudinal ball screw sliding tables 27, and the movable adjusting device 2 further comprises a first linear driver 24 for driving the movable lifting frames 25 to move in a lifting mode.
The first linear driver 24 is provided with a preferably electric push rod, the installation fixture block 28 is used for installing the self-adaptive pressing device 4, the maintenance personnel preferentially adjusts the position of the limiting placing base 3, the limiting placing base 3 is matched with the PC circuit board 1, the maintenance personnel places the PC circuit board 1 on the limiting placing base 3, the limiting placing base 3 fixes the position of the PC circuit board 1, after the PC circuit board 1 is fixed, the maintenance personnel clamps the PC circuit board 1 through a transmission electric clamp, the PC circuit board 1 is kept electrified, the maintenance personnel can effectively observe the position of the operational amplifier 12 on the PC circuit board 1 through the camera 6, the maintenance personnel can drive the self-adaptive pressing device 4 to transversely move and longitudinally move through the cooperation of the transverse ball screw sliding table 27, the self-adaptive pressing device 4 is moved to the position right above the operational amplifier 12 on the PC circuit board 1 through the cooperation of the transverse ball screw sliding table 27, the maintenance personnel adjusts the number of the test pins 5 on the self-adaptive pressing device 4 and the position of the test pins 5 and the test pins 5 correspondingly move down along the test pins 5 and the transverse ball screw sliding table 27 in a one-to-one manner, and the self-adaptive pressing device is enabled to be in a manner to be matched with the test pins 5 and the test pins are pushed down synchronously move down along the test pins 5 and the longitudinal ball screw sliding table 2 and the test device is enabled to move down along the test pins 5 and the test pins and the test device to be in a direction and the test device is down in a direction of the test device is matched with the test device and the position of the test device is a test device and a test device is a test device.
As shown in fig. 4 and 5:
the detection base plate 21 is provided with a detection lamp 212, and the detection base plate 21 is also provided with a detection mirror 211.
The maintenance personal places the PC circuit board 1 on the spacing base 3 of placing, the spacing base 3 of placing fixes the PC circuit board 1 location, after the PC circuit board 1 is fixed, the maintenance personal is holding PC circuit board 1 through carrying the electric clamp, make PC circuit board 1 keep circular telegram, detect the detector 211 on the bottom plate 21 and be convenient for effective maintenance personal observe PC circuit board 1 bottom, detect lamp 212 and be convenient for illuminate the bottom of PC circuit board 1, the effectual bottom condition of observing PC circuit board 1, the convenience of maintenance personal observation is convenient for improve.
As shown in fig. 2 and 6:
the spacing base 3 of placing is including installing the spacing guide frame 31 on detecting the bottom plate 21, and the bilateral symmetry of spacing guide frame 31 is equipped with the first spacing slide rail 311 of several, installs a plurality of removal regulation pole 32 on the first spacing slide rail 311, installs the elasticity antiskid tooth on the both ends of removal regulation pole 32, installs the several on the removal regulation pole 32 and adjusts sliding sleeve 33, and the lateral part of adjusting sliding sleeve 33 is equipped with the screw hole, installs locking threaded rod 331 in the screw hole, and the lateral part of adjusting sliding sleeve 33 still is equipped with elastic expansion mechanism 34.
The limit guide frame 31 is arranged on the detection bottom plate 21, a maintenance person can slide to adjust the position of the movable adjusting rod 32 on the limit guide frame 31 according to the size of the PC circuit board 1, the elastic anti-slip teeth can increase friction force to enable the movable adjusting rod 32 to stop moving after the adjustment is finished, the maintenance person can slide to adjust the position through the adjusting sliding sleeve 33, the adjusting sliding sleeve 33 drives the elastic expansion mechanism 34 to synchronously move when moving, the elastic expansion mechanism 34 moves to a specified position, the maintenance person clamps and fixes the positioning holes on the PC circuit board 1 on the elastic expansion mechanism 34, and after the elastic expansion mechanism 34 positions and supports the PC circuit board 1, the maintenance person rotates the locking threaded rod 331 to fix the adjusting sliding sleeve 33, so that the position of the PC circuit board 1 is effectively limited and placed.
As shown in fig. 6 and 7:
the elastic expansion mechanism 34 comprises a mounting frame 341 arranged on the adjusting sliding sleeve 33, a plurality of second limit sliding rails 3411 are arranged on the adjusting sliding sleeve 33, limit expansion rods 342 are arranged in the second limit sliding rails 3411, limit mounting columns 343 are further arranged on the mounting frame 341, connecting blocks 344 are arranged on the limit mounting columns 343, a plurality of connecting pieces 345 are arranged between the connecting blocks 344 and the limit expansion rods 342, and first springs 346 are arranged between the limit mounting columns 343 and the connecting blocks 344.
After the elastic expansion mechanism 34 moves the designated position, a maintainer is in butt joint with the locating hole on the PC circuit board 1 and the limit expansion rod 342, after the limit expansion rod 342 is clamped into the locating hole on the PC circuit board 1, the limit expansion rod 342 is extruded, the connecting piece 345 is driven to synchronously shrink and move when the limit expansion rod 342 is extruded, the connecting piece 345 is pushed to move along the limit mounting post 343 when shrinking and moving, the first spring 346 is extruded simultaneously when the connecting piece 344 moves, the limit expansion rod 342 is pushed to collide with the inner wall of the locating hole on the PC circuit board 1 when the first spring 346 is extruded, the PC circuit board 1 with different apertures is effectively adapted and expanded, and the fixing adaptability is improved.
As shown in fig. 7 and 8:
the top of the limit expansion rod 342 is provided with a conical surface 3421, and the outer side of the limit expansion rod 342 is provided with an anti-slip layer 3422.
The locating hole cover that is equipped with conical surface 3421 on spacing expansion rod 342 top and is convenient for guide on PC circuit board 1 is established in the outside of spacing expansion rod 342, and when locating hole on the PC circuit board 1 and spacing expansion rod 342 outer wall conflict, the skid resistant course 3422 of spacing expansion rod 342 outer wall can effectively increase frictional force, improves the fixed stability of expansion.
As shown in fig. 3, 9 and 10:
the self-adaptive pressing device 4 comprises a mounting shell 41 mounted on the mounting fixture block 28, an adjusting opening is arranged at the axis position of the mounting shell 41, a bidirectional ball screw sliding table 42 is further mounted in the mounting shell 41, a plurality of infrared positioning guide devices 43 are further mounted on the bidirectional ball screw sliding table 42, and switching adjusting devices 44 are mounted on the infrared positioning guide devices 43.
The maintenance personnel place PC circuit board 1 on spacing base 3 of placing, spacing base 3 is fixed with PC circuit board 1 location, after PC circuit board 1 is fixed, the maintenance personnel is carrying electric clamp centre gripping PC circuit board 1 through the transmission, make PC circuit board 1 keep circular telegram, the detection personnel cooperates the removal adjusting device 2 through camera 6 and drives self-adaptation and support pressure device 4 and remove, camera 6 can effectually observe the position of operational amplifier 12 on PC circuit board 1, the maintenance personnel is according to the operational amplifier 12 position on PC circuit board 1, move self-adaptation support pressure device 4 to the position directly over operational amplifier 12 on PC circuit board 1 through removal adjusting device 2, the maintenance personnel is according to the quantity and the position of pin on the operational amplifier 12, when the quantity and the position of need adjusting test needle 5, the quantity of pin on the operational amplifier 12 is through switching adjusting device 44 adjustment needs the quantity of test needle 5, simultaneously infrared location guiding device 43 sends infrared ray, the position of infrared ray can be effective location display test needle 5, the maintenance personnel is according to the pin position on the operational amplifier 12 through the infrared location guiding device 43 and is used for moving the infrared ray synchronous with the position of the infrared location guiding device 43, the synchronous movement of the infrared ray is to the position of the infrared location guiding device is synchronous with the pin 12, the position of the infrared location is synchronous, when the position of infrared location guiding device is used to be the infrared location is synchronous with the infrared location device is moved to the position of the infrared location is adjusted to the infrared location device 12, the position is used, the position is required to be adjusted.
As shown in fig. 9, 11, 14 and 15:
the infrared positioning guide device 43 comprises a limiting guide rail 431 arranged on the bidirectional ball screw sliding table 42, a plurality of first penetrating guide holes 432 are arranged on the limiting guide rail 431 and are uniformly distributed at equal intervals, light holes 433 are formed in gaps of the first penetrating guide holes 432, and infrared emitters 434 are arranged on the light holes 433.
When the position of the test needle 5 is required to be positioned and displayed, the first penetrating guide hole 432 in the limiting guide rail 431 is used for penetrating the test needle 5, the light hole 433 is convenient for infrared rays emitted by the infrared emitter 434 to penetrate through, so that the infrared rays irradiate the pressing area of the test needle 5, the position of the test needle 5 which is abutted against can be effectively positioned and displayed through the infrared rays, the position of the test needle 5 is convenient to adjust, and the adjustment efficiency is improved.
As shown in fig. 9, 11 and 12:
the switching regulator 44 includes a mounting seat mounted on the limiting guide rail 431, a plurality of second penetrating guide holes 442 corresponding to the first penetrating guide holes 432 one by one are arranged at the bottom of the mounting seat, a plurality of equidistant third limiting slide rails 443 are further arranged on the mounting seat, a movable pressing seat 445 is arranged in the third limiting slide rails 443, a second spring 446 is arranged between the movable pressing seat 445 and the mounting seat, a pressing regulating rod 447 is arranged on the movable pressing seat 445, and the switching regulator 44 further includes a second linear driver 448 for driving the pressing regulating rod 447 to move up and down.
The second linear driver 448 is preferably an electric push rod, the test needle 5 sequentially passes through the first penetrating guide hole 432 and the second penetrating guide hole 442 of the infrared positioning guide device 43 and the movable pressing seat 445 to be pressed, when the positions of the test needles 5 with the proper number need to be adjusted according to the number of pins on the operational amplifier 12, the pressing range can be effectively controlled by the pressing adjusting rod 447 through the pressing adjusting rod 447, after the pressing adjusting rod 447 is adjusted, the electric push rod pushes the pressing adjusting rod 447 to press down, the movable pressing seat 445 with the proper number pushes the test needles 5 with the proper number to press down when the movable pressing seat 445 pushes down, if the pressing adjusting rod 447 stops pushing the movable pressing seat 445, the second spring 446 can drive the reset movable pressing seat 445 and the test needles 5 to reset, so that the proper number of test needles 5 can be effectively controlled to stretch to the specified position, and the test needles 5 can be conveniently pushed to adapt to the operational amplifier 12 with different numbers of pins.
As shown in fig. 12 and 13:
the push adjusting lever 447 includes a mounting rail 4471 mounted on the second linear actuator 448, a push rack 4472 mounted inside the mounting rail 4471, a rotary actuator 4473 mounted on the mounting rail 4471, and a driving gear 4474 mounted on the output end of the rotary actuator 4473, the driving gear 4474 being engaged with the push rack 4472.
The rotation driver 4473 is preferably a servo motor, and when the pushing range of the pushing rack 4472 needs to be adjusted, the servo motor drives the driving gear 4474 to rotate, the driving gear 4474 drives the pushing rack 4472 to move when rotating, and the pushing rack 4472 can adjust the amount of the pushing rack 4472 which is in contact with the movable pressing seat 445 when moving, so as to effectively control the pressing range.
The specific working principle is as follows:
when the PC circuit board 1 is in use, circuit faults can occur, the operational amplifier 12 of the PC circuit board 1 needs to be detected during maintenance and detection of the PC circuit board 1, a maintainer adjusts the position of the limit placement base 3 preferentially, the limit placement base 3 is matched with the PC circuit board 1, the maintainer places the PC circuit board 1 on the limit placement base 3, the limit placement base 3 positions and fixes the PC circuit board 1, after the PC circuit board 1 is fixed, the maintainer clamps the PC circuit board 1 through a transmission electric clamp, the PC circuit board 1 is kept electrified, the detector drives the self-adaptive pressing device 4 to move through the camera 6 matched with the movement adjusting device 2, the camera 6 can effectively observe the position of the operational amplifier 12 on the PC circuit board 1, according to the position of the operational amplifier 12 on the PC circuit board 1, a maintenance person moves the self-adaptive pressing device 4 to the position right above the operational amplifier 12 on the PC circuit board 1 through the movement adjusting device 2, and according to the number and the position of pins on the operational amplifier 12, the maintenance person adjusts the number and the position of the test pins 5 on the self-adaptive pressing device 4, ensures the one-to-one correspondence between the test pins 5 and the pins of the operational amplifier 12, after the test pins 5 are adjusted, the movement adjusting device 2 drives the test pins 5 on the self-adaptive pressing device 4 to descend and butt against the pins of the operational amplifier 12 one by one, and the voltage data detector 7 detects the operational amplifier 12 in real time through the test pins 5.
The foregoing examples merely illustrate one or more embodiments of the application, which are described in greater detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (6)
1. The real-time testing device of the operational amplifier comprises an amplifier limit detection device for positioning and detecting a PC circuit board (1), and is characterized in that the amplifier limit detection device comprises a movement adjustment device (2) arranged on a workbench, a limit placement base (3) for limiting placement of the PC circuit board (1) is arranged on the movement adjustment device (2), a self-adaptive pressing device (4) is arranged on the movable end of the movement adjustment device (2), a camera (6) is further arranged on the self-adaptive pressing device (4), the self-adaptive pressing device (4) is driven to move by matching with the movement adjustment device (2) through the camera (6), and the position of an operational amplifier (12) on the PC circuit board (1) is observed through the camera (6);
a plurality of test pins (5) are also arranged on the self-adaptive pressing device (4) and are uniformly distributed at equal intervals, a voltage data detector (7) is arranged on the side part of the mobile adjusting device (2), the voltage data detector (7) is connected with the test pins (5), and the number and the positions of the test pins (5) on the self-adaptive pressing device (4) are adjusted according to the number and the positions of pins on the operational amplifier (12);
the movable adjusting device (2) comprises a detection bottom plate (21) arranged on a workbench, a top plate (22) is arranged right above the detection bottom plate (21), a plurality of guide posts (23) are arranged between the detection bottom plate (21) and the top plate (22), movable lifting frames (25) are arranged on the guide posts (23), transverse ball screw sliding tables (26) are arranged on the movable lifting frames (25), longitudinal ball screw sliding tables (27) are arranged on the transverse ball screw sliding tables (26), mounting clamping blocks (28) are arranged on movable ends of the longitudinal ball screw sliding tables (27), and the movable adjusting device (2) further comprises a first linear driver (24) for driving the movable lifting frames (25) to lift;
the mounting fixture block (28) is used for mounting the self-adaptive pressing device (4), the self-adaptive pressing device (4) is driven to transversely move and longitudinally move through the transverse ball screw sliding table (26) and the longitudinal ball screw sliding table (27), and the self-adaptive pressing device (4) is moved to a position right above the operational amplifier (12) on the PC circuit board (1) by the cooperation of the transverse ball screw sliding table (26) and the longitudinal ball screw sliding table (27);
the detection bottom plate (21) is provided with a detection lamp (212), and the detection bottom plate (21) is also provided with a detection mirror (211);
the limiting placement base (3) comprises a limiting guide frame (31) arranged on the detection bottom plate (21), a plurality of first limiting sliding rails (311) are symmetrically arranged on two sides of the limiting guide frame (31), a plurality of moving adjusting rods (32) are arranged on the first limiting sliding rails (311), elastic anti-slip teeth are arranged on two ends of each moving adjusting rod (32), a plurality of adjusting sliding sleeves (33) are arranged on each moving adjusting rod (32), threaded holes are formed in the side parts of the adjusting sliding sleeves (33), locking threaded rods (331) are arranged in the threaded holes, and elastic expansion mechanisms (34) are further arranged on the side parts of the adjusting sliding sleeves (33);
the adjusting sliding sleeve (33) is used for sliding the adjusting position, the elastic expansion mechanism (34) is driven to synchronously move when the adjusting sliding sleeve (33) moves, and after the elastic expansion mechanism (34) moves to a specified position, the positioning hole on the PC circuit board (1) is clamped and fixed on the elastic expansion mechanism (34);
the elastic expansion mechanism (34) comprises a mounting frame (341) arranged on the adjusting sliding sleeve (33), a plurality of second limit sliding rails (3411) are arranged on the adjusting sliding sleeve (33), limit expansion rods (342) are arranged in the second limit sliding rails (3411), limit mounting columns (343) are further arranged on the mounting frame (341), connecting blocks (344) are arranged on the limit mounting columns (343), a plurality of connecting pieces (345) are arranged between the connecting blocks (344) and the limit expansion rods (342), and first springs (346) are arranged between the limit mounting columns (343) and the connecting blocks (344);
after the elastic expansion mechanism (34) moves the appointed position, a maintainer is in butt joint with the locating hole on the PC circuit board (1) and the limit expansion rod (342), after the limit expansion rod (342) is clamped into the locating hole on the PC circuit board (1), the limit expansion rod (342) can be extruded, the connecting piece (345) is driven to synchronously shrink and move when the limit expansion rod (342) is extruded, the connecting piece (345) is pushed to move along the limit mounting column (343) when shrinking and moving, the first spring (346) is extruded simultaneously when the connecting piece (344) moves, and the first spring (346) can push the limit expansion rod (342) to be in contact with the inner wall of the locating hole on the PC circuit board (1) when being extruded, so that the PC circuit board (1) with different apertures can be expanded and fixed in a suitable mode.
2. The real-time testing device of an operational amplifier according to claim 1, wherein a conical surface (3421) is arranged at the top of the limiting expansion rod (342), an anti-slip layer (3422) is arranged at the outer side of the limiting expansion rod (342), and when a positioning hole on the PC circuit board (1) is abutted against the outer wall of the limiting expansion rod (342), friction force is increased through the anti-slip layer (3422) of the outer wall of the limiting expansion rod (342).
3. The real-time testing device of an operational amplifier according to claim 2, wherein the self-adaptive pressing device (4) comprises a mounting shell (41) arranged on a mounting fixture block (28), an adjusting opening is arranged at the axle center position of the mounting shell (41), a bidirectional ball screw sliding table (42) is further arranged in the mounting shell (41), a plurality of infrared positioning guide devices (43) are further arranged on the bidirectional ball screw sliding table (42), and switching adjusting devices (44) are respectively arranged on the infrared positioning guide devices (43);
the number of the test needles (5) needed to be used is switched and regulated through a switching and regulating device (44) according to the number of pins on the operational amplifier (12), and meanwhile an infrared positioning and guiding device (43) emits infrared rays to position and display the positions of the test needles (5).
4. A real-time testing device for an operational amplifier according to claim 3, wherein the infrared positioning guide device (43) comprises a limiting guide rail (431) arranged on the bidirectional ball screw sliding table (42), a plurality of first penetrating guide holes (432) are formed in the limiting guide rail (431) and are uniformly distributed at equal intervals, light holes (433) are formed in gaps of the first penetrating guide holes (432), and infrared emitters (434) are arranged on the light holes (433).
5. The real-time testing device of an operational amplifier according to claim 4, wherein the switching adjusting device (44) comprises a mounting seat mounted on the limiting guide rail (431), a plurality of second penetrating guide holes (442) which are in one-to-one correspondence with the first penetrating guide holes (432) are arranged at the bottom of the mounting seat, a plurality of equidistant third limiting slide rails (443) are further arranged on the mounting seat, a movable pressing seat (445) is arranged in the third limiting slide rails (443), a second spring (446) is arranged between the movable pressing seat (445) and the mounting seat, a pushing adjusting rod (447) is arranged on the movable pressing seat (445), and the switching adjusting device (44) further comprises a second linear driver (448) for driving the pushing adjusting rod (447) to move up and down;
when the pushing adjusting rod (447) is pushed down, the movable pressing seat (445) with the adaptive number is pushed down, and when the movable pressing seat (445) is pushed down, the corresponding number of test needles (5) are pushed down to the designated position, so that the positions of the test needles (5) with the adaptive number are adjusted.
6. The real-time test apparatus of an operational amplifier according to claim 5, wherein the push adjusting lever (447) includes a mounting rail (4471) mounted on the second linear driver (448), a push rack (4472) is mounted inside the mounting rail (4471), a rotary driver (4473) is further mounted on the mounting rail (4471), a driving gear (4474) is mounted on an output end of the rotary driver (4473), and the driving gear (4474) is engaged with the push rack (4472).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311042476.7A CN116930721B (en) | 2023-08-18 | 2023-08-18 | Real-time testing device of operational amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311042476.7A CN116930721B (en) | 2023-08-18 | 2023-08-18 | Real-time testing device of operational amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116930721A CN116930721A (en) | 2023-10-24 |
| CN116930721B true CN116930721B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311042476.7A Active CN116930721B (en) | 2023-08-18 | 2023-08-18 | Real-time testing device of operational amplifier |
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| CN105425140A (en) * | 2015-12-17 | 2016-03-23 | 埃泰克汽车电子(芜湖)有限公司 | Testing device and testing method of PCB half-finished product |
| CN209417080U (en) * | 2018-08-23 | 2019-09-20 | 华为技术有限公司 | A kind of test device, equipment and system |
| WO2020051830A1 (en) * | 2018-09-13 | 2020-03-19 | 太仓德纳森机电工程有限公司 | Electrical measurement device for circuit boards |
| CN211374552U (en) * | 2019-10-24 | 2020-08-28 | 深圳臻金精密科技有限公司 | Camera detection mechanism |
| CN212321470U (en) * | 2020-05-26 | 2021-01-08 | 苏州苏仕朗智能科技有限公司 | PCB off-line detection equipment |
| CN218938416U (en) * | 2022-03-22 | 2023-04-28 | 河源创基电子科技有限公司 | Electric performance test fixture for processing surface mount diode |
-
2023
- 2023-08-18 CN CN202311042476.7A patent/CN116930721B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425140A (en) * | 2015-12-17 | 2016-03-23 | 埃泰克汽车电子(芜湖)有限公司 | Testing device and testing method of PCB half-finished product |
| CN209417080U (en) * | 2018-08-23 | 2019-09-20 | 华为技术有限公司 | A kind of test device, equipment and system |
| WO2020051830A1 (en) * | 2018-09-13 | 2020-03-19 | 太仓德纳森机电工程有限公司 | Electrical measurement device for circuit boards |
| CN211374552U (en) * | 2019-10-24 | 2020-08-28 | 深圳臻金精密科技有限公司 | Camera detection mechanism |
| CN212321470U (en) * | 2020-05-26 | 2021-01-08 | 苏州苏仕朗智能科技有限公司 | PCB off-line detection equipment |
| CN218938416U (en) * | 2022-03-22 | 2023-04-28 | 河源创基电子科技有限公司 | Electric performance test fixture for processing surface mount diode |
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|---|---|
| CN116930721A (en) | 2023-10-24 |
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