CN114566204B - Test device for super block in flash memory based on rapid identification technology - Google Patents
Test device for super block in flash memory based on rapid identification technology Download PDFInfo
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- CN114566204B CN114566204B CN202210191427.9A CN202210191427A CN114566204B CN 114566204 B CN114566204 B CN 114566204B CN 202210191427 A CN202210191427 A CN 202210191427A CN 114566204 B CN114566204 B CN 114566204B
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
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Abstract
The invention discloses a flash memory super block testing device based on a quick identification technology, which comprises a workbench, movable plates, a supporting vertical plate and a groove plate, wherein the top of the workbench is provided with two groups of movable plates which are arranged side by side; two groups of supporting vertical plates which are arranged side by side are installed at the top of the workbench, and a groove plate is installed on the outer wall of one side, adjacent to the two groups of supporting vertical plates, of the workbench; the gravity sensing plates are installed at the tops of the two groups of movable plates, the two groups of movable plates are provided with two groups of fixed plates which are arranged side by side, the outer wall of one side of each of the four groups of fixed plates is provided with a plurality of electricity-saving push rods in a penetrating mode, and one end of each of the four groups of electricity-saving push rods is provided with a limiting plate. The super block to be tested can be clamped and limited to avoid deviation, meanwhile, double-station continuous testing is adopted, so that the clearance time is saved, unqualified products automatically slide down to the position of the collecting box to finish autonomous collection, and the display mechanism has a movable wiping function and can effectively improve the display definition of the display mechanism.
Description
Technical Field
The invention relates to the technical field of super blocks in flash memories, in particular to a flash memory super block testing device based on a quick identification technology.
Background
Flash memory cards are memories for storing electronic information by using flash memory technology, are generally used as storage media in small digital products such as digital cameras, palm computers, MP3 and the like, and after production, all performance tests are required to be performed on the flash memory cards to judge whether the flash memory cards are qualified or not, so that unqualified products are effectively prevented from flowing into the market.
The existing flash memory testing device has the following defects:
1. the prior art CN203721203U discloses a testing device capable of testing the bonding effect of a flash memory, "used for testing a flash memory unit composite board formed by at least one bonded flash memory unit after bonding processing, comprising a testing box, a fixing bracket, a moving rod, a port unit printed circuit board, a unit control testing circuit board, a supporting rod, a positioning plate and a double-sided balance cover plate. The port unit printed circuit carrier plate is provided with at least one probe. During testing, the double-sided balance cover plate moves downwards, the tested flash memory unit split plate is pressed to move downwards, so that the probes of the port unit printed circuit support plate are electrically contacted with the flash memory unit split plate, and the unit control test circuit board detects each bonded flash memory unit. According to the method and the device, after the bonding process of the flash memory unit is completed, the bonding flash memory unit can be tested immediately, the bonding effect is confirmed reliably, and the product with the substandard bonding effect is not subjected to subsequent processes, so that the waste of devices is reduced, and the manufacturing cost of the product is reduced. In the device, in the process of testing the product, the connection between the product and the testing mechanism is easily broken due to the offset of the product, so the test is easily interrupted;
2. the prior art CN214539893U discloses a testing device of a flash memory chip, which comprises a testing machine base (31), a testing platform, a testing bracket (25), a vertical support (37), a progress motor (38), a control box and a progress motor guide rail (14). After the testing device is used, the physical consumption of manual lifting of an operator is solved, the problems of high speed, low speed, fluctuating yield and efficiency loss during manual operation are also solved, and the equipment utilization rate is greatly improved. However, in the device, the testing efficiency of the flash memory chip is low, and the testing amount is influenced;
3. prior art CN209880163U discloses a universal serial memory testing arrangement, "including base and testing arrangement, the top fixedly connected with support frame of base, the equal fixed mounting in the left and right sides at support frame internal surface top has the pneumatic cylinder, the output fixedly connected with mounting panel of pneumatic cylinder, the bottom fixedly connected with fixing device of mounting panel, the equal fixedly connected with slide bar in the left and right sides at base top, the left and right sides of mounting panel all through the slip pipe with the surface sliding connection of slide bar, the briquetting is touched to one side fixedly connected with on slip pipe surface, the left bottom of support frame internal surface is provided with touches the pressure switch, the top of slide bar with the top fixed connection of support frame internal surface, this application relates to electronic equipment technical field. The universal serial memory testing device can realize automatic plugging and unplugging of the USB flash disk, is simple and convenient to operate, enables a testing structure to be more accurate, improves the detection efficiency and saves manpower. In the device, products which are unqualified in test need to be collected by workers, so the actual operation of the device increases the workload of the workers;
4. prior art CN212907099U discloses a testing arrangement for flash memory card performance, "the upper surface of bottom plate is located front side position department and is fixed with and surveys the test panel, and the top of bottom plate is located one side position department and is fixed with first pillar, the top of bottom plate is located opposite side position department and is fixed with the second pillar, survey the upper surface of test panel and seted up the fixed slot, the top of surveying the test panel is provided with the electronic box, the below of electronic box is connected with and covers the clamp plate, be connected with the diaphragm between first pillar and the second pillar. This application simple structure, convenient operation only needs to put the flash memory card in the fixed slot on surveying the board, and starter motor uses for the cover clamp plate of test can with the flash memory card contacts. The application has high automation degree and more accurate test result. However, in the device, the display screen is exposed for a long time and is easily polluted by dust, and the display definition is easily influenced.
Disclosure of Invention
The present invention is directed to a flash memory super block testing apparatus based on a fast identification technology, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a test device for a super block in a flash memory based on a quick identification technology comprises a workbench, movable plates, a supporting vertical plate and a groove plate, wherein two groups of the movable plates which are arranged side by side are mounted at the top of the workbench, and the outer walls of one adjacent sides of the two groups of the movable plates are mutually attached;
two groups of support vertical plates which are arranged side by side are mounted at the top of the workbench, the two groups of support vertical plates are respectively positioned behind the two groups of movable plates, and a groove plate is mounted on the outer wall of one side of the two groups of support vertical plates adjacent to each other;
gravity induction plate is all installed at the top of two sets of fly leafs, and is two sets of the fixed plate of arranging side by side is all installed at the top of fly leaf, and one side outer wall of four fixed plates of group laminate with one side outer wall of two sets of gravity induction plates respectively, and is four groups one side outer wall of fixed plate all runs through and installs many economize on electricity push rod, four groups restriction board is all installed to the one end of many economize on electricity push rod, and four groups restriction board are located the top of two sets of gravity induction plates respectively.
Preferably, it is two sets of the notch of arranging around the bottom of fly leaf all is provided with two sets of, and is two sets of micro motor is all installed to one side outer wall that the fly leaf is opposite, wherein two sets of arranging side by side the threaded rod is all installed to the inner wall of notch, and the one end of two sets of threaded rods respectively with two sets of micro motor's output shaft, and is two sets of in addition arrange side by side the circular rod is all installed to the inner wall of notch, two sets of sliders of arranging side by side are all installed to the surface of circular rod and threaded rod.
Preferably, the electric telescopic rod is installed at the bottom of the sliding block, and the bottom of the electric telescopic rod penetrates through the inside of the workbench.
Preferably, it is two sets of slope frame, two sets of are all installed to the back of gravity-feed tank, folding tensile frame, two sets of are all installed to the back of slope frame the collection box is all installed at the back of folding tensile frame, and the bottom of collecting the box and the top laminating of workstation.
Preferably, two sets of guard plates of arranging side by side are installed in the front of recess board, and two sets of one side outer wall of guard plate is laminated with the outer wall that supports the riser respectively, and is two sets of one side outer wall that the guard plate is adjacent all is provided with the gomphosis groove, and is two sets of moving baffle is all installed to the inner wall in gomphosis groove, and just two sets of moving baffle's one side outer wall all extends the inside in gomphosis groove, and is two sets of moving baffle adjacent one side outer wall all installs the magnetic sheet.
Preferably, the back of the two sets of movable baffles is embedded with a female magic tape, the back of the female magic tape is provided with a sub magic tape, and the back of the two sets of sub magic tapes is provided with a wiping cotton strip.
Preferably, the display mechanism is installed to the inner wall of recess board, and the front of display mechanism is laminated with the back of two sets of cotton slivers of cleaning respectively, two sets of backup pads of arranging side by side are installed to the bottom of workstation.
Preferably, it is two sets of support riser's front is installed and is linked up the long piece, link up the front of long piece and install accredited testing organization, accredited testing organization's bottom is installed and is covered the clamp plate, and covers the top that the clamp plate is located two sets of gravity induction boards, the attention device is installed at the top that links up the long piece, and electric connection between attention device and the accredited testing organization.
Preferably, the working steps of the test device are as follows:
s1, a worker places one group of flash memory super blocks to be detected above a left gravity sensing plate, a sensing part in the gravity sensing plate converts the gravity value of the flash memory super blocks into a pressure signal, then two groups of multi-section electric push rods which are electrically connected with the moving plates on the moving plates synchronously extend outwards, then the limiting plates are driven to correspondingly move towards the positions where the flash memory super blocks are located until the two groups of limiting plates form a clamping state on the flash memory super blocks, and the operation of the multi-section electric push rods is stopped;
s2, then, four groups of electric telescopic links below the group of movable plates synchronously extend upwards to generate an upward driving force for the movable plates, meanwhile, a micro motor installed on one side of the group of movable plates drives a threaded rod to rotate towards a set direction according to a set rotating speed through an output shaft, and the sliding block is in a fixed state, so that the threaded rod can convert a rotating force into a moving force relative to the sliding block while rotating, so that the group of movable plates move towards one side relative to the sliding block, when the sliding block close to one side of the micro motor is attached to the inner wall of one side of the notch, the electric telescopic links also extend upwards to the longest state, and at the moment, a connection exists between a covering plate and a flash super block arranged above the gravity sensing plate;
s3, performing various tests on the flash memory super block through the testing mechanism, feeding back tested data information to the position of a display mechanism electrically connected with the flash memory super block, judging a test result through the display mechanism, if the test result is in a qualified state, sending a set sound by an alarm electrically connected with the display mechanism to remind a worker to take away the tested flash memory super block, and if the test result is not qualified, enabling two groups of electric telescopic rods behind the four groups of electric telescopic rods below the movable plate to be contracted downwards to a set length so that the movable plate forms an inclined state from front to back, and simultaneously restoring a multi-power-saving push rod to the original state, wherein the tested flash memory super block automatically slides into an inclined frame and is then transmitted into a collection box through a folding and stretching frame to complete automatic collection work;
and S4, in the testing process of the flash memory super block in the device, a worker places another group of flash memory super blocks above the right gravity sensing plate and then performs the operation in the steps, and when the left movable plate is restored, the flash memory super blocks clamped above the right gravity sensing plate are connected with the pressing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when a gravity sensing module arranged in a gravity sensing plate senses gravity information of a flash memory super block above the gravity sensing plate, the gravity sensing module can convert the gravity information into a piezoelectric signal, then the piezoelectric signal is synchronously extended outwards with two groups of multi-section electric push rods electrically connected with the gravity sensing plate, then the limiting plate is driven to correspondingly move towards the position of the flash memory super block until the two groups of limiting plates form a clamping state on the flash memory super block, and at the moment, the position of the flash memory super block on the gravity sensing plate is kept unchanged, so that the phenomenon of connection interruption between the flash memory super block and a pressing plate due to displacement of the flash memory super block during testing is avoided;
2. in the invention, when the super block on the left gravity sensing plate is in a testing stage, a worker can place another group of super blocks on the right gravity sensing plate in the device for waiting for testing, and when the super block on the left side is taken away, the covering and pressing plate is connected with the super block on the right side again, so that the gap time can be effectively shortened, and the testing efficiency is further improved;
3. according to the invention, when the flash memory super block is tested to be an unqualified product by the testing mechanism, two groups of electric telescopic rods at the rear part of four groups of electric telescopic rods below the corresponding movable plate are subjected to downward contraction operation so as to adjust the movable plate to be in a forward and backward inclined state, and meanwhile, the multi-power-saving push rod is restored to the original state, at the moment, the tested flash memory super block automatically slides into the inclined frame and then is transmitted to the inside of the collection box through the folding stretching frame, so that the automatic collection work is completed, and the workload of workers is reduced;
4. when the two groups of magnetic sheets are mutually attracted, the two groups of movable baffles form a whole and are used for forming a shielding relation on the front surface of the unused display mechanism so as to increase the protection and shielding performance of the front surface of the unused display mechanism, and meanwhile, when the movable baffles are pushed and pulled by external force and move along the front of the display mechanism, the wiping cotton sliver can cling to the front surface of the display mechanism and perform wiping operation along with the front surface of the display mechanism so as to remove dust on the surface of the display mechanism and further improve the display definition of the display mechanism.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the installation structure of the movable plate, the fixed plate and the multi-power-saving push rod of the present invention;
FIG. 4 is a schematic view of an installation structure of the sliding block and the electric telescopic rod of the present invention;
FIG. 5 is a schematic view of the mounting structure of the movable plate, the micro-motor and the threaded rod according to the present invention;
FIG. 6 is a schematic view of the mounting structure of the threaded rod and the slider according to the present invention;
FIG. 7 is a schematic view of the structure of FIG. 1 at A according to the present invention;
fig. 8 is a schematic view of an installation structure of the movable baffle, the female magic tape and the male magic tape according to the present invention.
In the figure: 1. a work table; 2. a movable plate; 3. a support vertical plate; 4. a groove plate; 5. a gravity sensing plate; 6. a fixing plate; 7. a plurality of power-saving push rods; 8. a limiting plate; 9. a notch; 10. a micro motor; 11. a threaded rod; 12. a circular rod; 13. a slider; 14. an electric telescopic rod; 15. an inclined frame; 16. folding the stretching frame; 17. a collection box; 18. a protection plate; 19. a fitting groove; 20. moving the baffle; 21. a magnetic sheet; 22. female magic tape; 23. a sub-magic tape; 24. wiping the cotton sliver; 25. a display mechanism; 26. a support plate; 27. connecting the long blocks; 28. a testing mechanism; 29. covering and pressing a plate; 30. an alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-8, an embodiment of the present invention is shown:
a test device for a super block in a flash memory based on a quick identification technology comprises a workbench 1, movable plates 2, a supporting vertical plate 3 and a groove plate 4, wherein the top of the workbench 1 is provided with two groups of the movable plates 2 which are arranged side by side, and the outer walls of one adjacent sides of the two groups of the movable plates 2 are mutually attached;
two groups of supporting vertical plates 3 which are arranged side by side are installed at the top of the workbench 1, the two groups of supporting vertical plates 3 are respectively positioned behind the two groups of movable plates 2, and a groove plate 4 is installed on the outer wall of one side, adjacent to the two groups of supporting vertical plates 3;
further, workstation 1 provides comparatively sufficient space for the equipment of each part above it to make up each other between each part, be in the non-fixed laminating state between fly leaf 2 and the workstation 1, can with the corresponding transmission up of the produced driving force of electric telescopic handle 14 when stretching out and drawing back from top to bottom and pulling force, have great clearance between two sets of support risers 3, it provides the contact fixed point position for linking up the installation of long piece 27 and recess board 4, so that this three group combination of group becomes a whole.
Further, a gravity sensing module is arranged in the gravity sensing plate 5, after a flash memory super block is placed above the gravity sensing plate, the gravity of the flash memory super block can be sensed by the gravity sensing module and then converted into a piezoelectric signal, then the piezoelectric signal is synchronously extended outwards with the two groups of multi-power-saving push rods 7 which are electrically connected with the gravity sensing plate, and then the limiting plates 8 are driven to correspondingly move towards the positions of the flash memory super block until the two groups of limiting plates 8 form a clamping state on the flash memory super block, namely, the operation of the multi-power-saving push rods 7 is stopped, the positions of the flash memory super block on the gravity sensing plate 5 are kept unchanged, so that the phenomenon that connection between the fixed plate and the cover pressing plate 29 is interrupted due to the displacement of the flash memory super block during testing is avoided, the fixed plate 6 provides a stable assembling position for the multi-power-saving push rods 7, and the effect on the flash memory super block is facilitated.
The bottom of two sets of fly leaves 2 all is provided with the notch 9 that two sets of front and back arranged, and micro motor 10 is all installed to one side outer wall that two sets of fly leaves 2 are opposite, and threaded rod 11 is all installed to the inner wall of the notch 9 that wherein two sets of arrange side by side, and the one end of two sets of threaded rod 11 respectively with the output shaft of two sets of micro motor 10, circular rod 12 is all installed to the inner wall of the notch 9 that two sets of arrange side by side in addition, and two sets of sliders 13 of arranging side by side are all installed to the surface of circular rod 12 and threaded rod 11.
An electric telescopic rod 14 is installed at the bottom of the sliding block 13, and the bottom of the electric telescopic rod 14 penetrates through the inside of the workbench 1.
Further, the two sets of notches 9 provide a suitable space for installing the threaded rod 11 and the circular rod 12, after the micro motor 10 is started, the output shaft of the micro motor can drive the threaded rod 11 to rotate towards a set direction according to a set rotating speed, and the position of the electric telescopic rod 14 is kept unchanged, so that the slider 13 is in an immobile state, and when the threaded rod 11 rotates, the rotating force can be converted into a moving force relative to the slider 13, specifically referring to a mode of rotating a threaded nail, and then the threaded rod 11 drives the movable plate 2 to move towards a direction consistent with the rotating direction of the movable plate, so that the position of the flash memory super block is adjusted at the position of the pressing plate 29, after the electric telescopic rod 14 is started, the operation of upward extension and downward contraction can be correspondingly performed, and when the electric telescopic rod extends upwards to the longest state, the bottom of the pressing plate 29 and the top of the flash memory super block arranged on the gravity sensing plate 5 are on the same horizontal line.
The slope frame 15 is all installed at the back of two sets of gravity-feed tank 5, and folding tensile frame 16 is all installed at the back of two sets of slope frames 15, and collection box 17 is all installed at the back of two sets of folding tensile frame 16, and the bottom of collecting box 17 and the top laminating of workstation 1.
Further, when the flash super block is tested as a non-conforming product by the testing mechanism 28, the two sets of electric telescopic rods 14 at the rear side among the four sets of electric telescopic rods 14 below the corresponding movable plate 2 perform a downward contraction operation to adjust the movable plate 2 to a forward and backward inclined state, and the multi-power-saving push rod 7 returns to its original state, at this time, the tested flash super block automatically slides down to the inclined frame 15, and then is transmitted to the inside of the collection box 17 through the folding and stretching frame 16 to complete the automatic collection work, the folding and stretching frame 16 has ductility, and when the height position of the movable plate 2 changes, the folding and stretching frame 16 can correspondingly extend or contract corresponding to the height change or the height change to flexibly adjust the self comprehensive length.
Two sets of guard plates 18 that arrange side by side are installed in the front of recess board 4, and one side outer wall of two sets of guard plates 18 respectively with the outer wall laminating that supports riser 3, and one side outer wall that two sets of guard plates 18 are adjacent all is provided with gomphosis groove 19, and moving baffle 20 is all installed to the inner wall in two sets of gomphosis grooves 19, and just the inside of gomphosis groove 19 is all extended to one side outer wall of two sets of moving baffle 20, and magnetic sheet 21 is all installed to one side outer wall that two sets of moving baffle 20 are adjacent.
Furthermore, two sets of protection plates 18 and the groove plate 4 are combined with each other, the display mechanism 25 clamped inside the groove plate 4 can be effectively prevented from toppling forward, the embedding groove 19 provides a proper installation space for the movable baffle plate 20, and the two protection plates and the groove plate are in a non-fixed attaching state, so that when a pulling force far away from the embedding groove 19 is applied to the movable baffle plate 20, the pulling force can gradually extend outwards from the inside of the embedding groove 19, when the two sets of magnetic sheets 21 are mutually adsorbed, the two sets of movable baffle plates 20 are shown to form a whole, and the shielding relation is formed on the front surface of the unused display mechanism 25, so that the front protection performance and the shielding performance of the display mechanism are improved.
The back surfaces of the two sets of movable baffles 20 are provided with female magic tapes 22 in an embedded manner, the back surfaces of the two sets of female magic tapes 22 are provided with sub magic tapes 23, and the back surfaces of the two sets of sub magic tapes 23 are provided with wiping slivers 24.
Further, be fixed combination state between female magic subsides 22 and the movable baffle 20, wherein movable baffle 20 is receiving the push-and-pull of external force, when moving along display mechanism 25's the place ahead, cleans silver 24 and can hug closely display mechanism 25's front, follows and clean the operation to clear away the dust on display mechanism 25 surface, and then improve its definition that shows, when wherein cleaning silver 24 and need changing, can take out at display mechanism 25 after, it can to tear sub-magic subsides 23 of pulling.
The inner wall of the groove plate 4 is provided with a display mechanism 25, the front surface of the display mechanism 25 is respectively attached to the back surfaces of the two groups of wiping slivers 24, and the bottom of the workbench 1 is provided with two groups of support plates 26 which are arranged side by side.
The front of two sets of support risers 3 is installed and is linked up long block 27, and the front that links up long block 27 is installed and is tested the mechanism 28, and the bottom of tested the mechanism 28 is installed and is covered the clamp plate 29, and covers the clamp plate 29 and be located the top of two sets of gravity induction plates 5, links up the top of long block 27 and installs attention device 30, and electric connection between attention device 30 and the testing mechanism 28.
Further, two sets of supporting plates 26 provide relatively stable supporting force for the workbench 1, the connecting long block 27 provides a sufficient supporting point for the installation of the testing mechanism 28, after the pressing plate 29 is connected with the flash memory super block, the testing mechanism 28 can perform various tests on the product to be tested, and feeds back the test information to the position of the display mechanism 25 electrically connected with the testing information, and judges the test result through the display mechanism 25, if the test result is in a qualified state, the alarm 30 electrically connected with the display mechanism 25 sends out a set sound to remind the worker to take away the tested flash memory super block.
Further, the working steps of the test device are as follows:
s1, a worker places one group of flash memory super blocks to be detected above a left gravity sensing plate 5, a sensing part in the gravity sensing plate 5 converts the gravity value of the flash memory super blocks into a pressure signal, then two groups of multi-power-saving push rods 7 electrically connected with the movable plate 2 synchronously extend outwards, and then the limiting plates 8 are driven to correspondingly move towards the positions where the flash memory super blocks are located until the two groups of limiting plates 8 clamp the flash memory super blocks, namely the multi-power-saving push rods 7 are stopped;
s2, then, four groups of electric telescopic rods 14 below the group of movable plates 2 synchronously extend upwards to generate an upward pushing force on the movable plates 2, meanwhile, the micro motor 10 arranged on one side of the group of movable plates 2 drives the threaded rod 11 to rotate towards a set direction according to a set rotating speed through an output shaft, and the sliding block 13 is in a fixed state, so that the threaded rod 11 can convert the rotating force into a moving force relative to the sliding block 13 while rotating, so that the group of movable plates 2 move towards one side relative to the sliding block 13, when the sliding block 13 close to one side of the micro motor 10 is attached to the inner wall of one side of the notch 9, the electric telescopic rods 14 also extend upwards to the longest state, and at the moment, a connection exists between the pressing plate 29 and a flash memory super block arranged on the gravity sensing plate 5;
s3, then carrying out various tests on the flash memory super block through the test mechanism 28, feeding back test data information to the position of a display mechanism 25 electrically connected with the flash memory super block, judging a test result through the display mechanism 25, if the test result is in a qualified state, sending a set sound by an alarm 30 electrically connected with the display mechanism 25 to remind a worker to take away the tested flash memory super block, otherwise, judging that the test result is unqualified, then downwards contracting the four groups of electric telescopic rods 14 below the movable plate 2 to a set length so as to enable the movable plate 2 to form an inclined state from front to back, and simultaneously restoring the multi-power-saving push rod 7 to an original state, wherein the tested flash memory super block automatically slides into the inclined frame 15 and then is transmitted into the collection box 17 through the folding and stretching frame 16 to finish automatic collection work;
and S4, in the testing process of the flash memory super block in the device, a worker places another group of flash memory super blocks above the right gravity sensing plate 5, then the operation in the steps is carried out, and when the left movable plate 2 is restored, the flash memory super blocks clamped above the right gravity sensing plate 5 are connected with the pressing plate 29.
The working principle is as follows: a first group of flash memory super blocks of a worker are arranged on a gravity sensing plate 5 on the left side of the device, then a plurality of sections of electric push rods 7 electrically connected with the gravity sensing plate 5 extend outwards to clamp the flash memory super blocks, then four groups of electric telescopic rods 14 on the left side extend upwards synchronously to drive a movable plate 2 to move upwards, meanwhile, a micro motor 10 drives a threaded rod 11 to rotate towards a set direction according to a set rotating speed through an output shaft, as a sliding block 13 is in a fixed state, the threaded rod 11 rotates, meanwhile, rotating force can be converted into moving force relative to the sliding block 13, so that the movable plate 2 moves towards one side relative to the sliding block 13, when the sliding block 13 close to one side of the micro motor 10 is attached to the inner wall of one side of a notch 9, the electric telescopic rods 14 also extend upwards to the longest state, and at the moment, a connection exists between a covering plate 29 and the flash memory super blocks arranged on the gravity sensing plate 5, then the testing mechanism 28 feeds back the testing data to the position of the display mechanism 25 electrically connected with the testing mechanism so that the display mechanism 25 can judge whether the testing is qualified, wherein when the product is qualified, the warning device 30 gives out a warning sound to prompt a worker to take away the product, when the product is unqualified, two groups of electric telescopic rods 14 at the rear part of the four groups of electric telescopic rods 14 at the left side are contracted downwards to a set length so that the movable plate 2 forms a forward and backward inclined state, and simultaneously the plurality of electricity-saving push rods 7 are recovered to the original state, at the moment, the tested flash memory super block automatically slides into the inclined frame 15 and then is transmitted to the inside of the collecting box 17 through the folding and stretching frame 16 to complete the automatic collecting work, when the super block on the gravity sensing plate 5 at the left side is in the testing stage, the worker places another group of super block on the gravity sensing plate 5 at the right side in the device, to reduce the gap time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a testing arrangement of superblock in flash memory based on quick identification technique, includes workstation (1), fly leaf (2), supports riser (3) and recess board (4), its characterized in that: two groups of movable plates (2) which are arranged side by side are mounted at the top of the workbench (1), and the outer walls of the adjacent sides of the two groups of movable plates (2) are mutually attached;
two groups of supporting vertical plates (3) which are arranged side by side are mounted at the top of the workbench (1), the two groups of supporting vertical plates (3) are respectively positioned behind the two groups of movable plates (2), and a groove plate (4) is mounted on the outer wall of one side, adjacent to the two groups of supporting vertical plates (3);
the top of each of the two groups of movable plates (2) is provided with a gravity sensing plate (5), the top of each of the two groups of movable plates (2) is provided with two groups of fixed plates (6) which are arranged side by side, the outer wall of one side of each of the four groups of fixed plates (6) is attached to the outer wall of one side of each of the two groups of gravity sensing plates (5), the outer wall of one side of each of the four groups of fixed plates (6) is provided with a multi-power-saving push rod (7) in a penetrating mode, one end of each of the four groups of multi-power-saving push rods (7) is provided with a limiting plate (8), and the four groups of limiting plates (8) are located above the two groups of gravity sensing plates (5) respectively;
the bottom of each of the two groups of movable plates (2) is provided with two groups of notches (9) which are arranged in the front-back direction, the outer wall of one side, opposite to the two groups of movable plates (2), is provided with a micro motor (10), the inner walls of the two groups of notches (9) which are arranged side by side are provided with a threaded rod (11), one end of each of the two groups of threaded rods (11) is connected with the output shaft of the two groups of micro motors (10), the inner walls of the other two groups of notches (9) which are arranged side by side are provided with a circular rod (12), and the outer surfaces of the circular rods (12) and the threaded rods (11) are provided with two groups of sliders (13) which are arranged side by side;
an electric telescopic rod (14) is installed at the bottom of the sliding block (13), and the bottom of the electric telescopic rod (14) penetrates through the inside of the workbench (1);
inclined frames (15) are mounted on the back surfaces of the two groups of gravity sensing plates (5), folding stretching frames (16) are mounted on the back surfaces of the two groups of inclined frames (15), collecting boxes (17) are mounted on the back surfaces of the two groups of folding stretching frames (16), and the bottoms of the collecting boxes (17) are attached to the top of the workbench (1);
the front surface of the groove plate (4) is provided with two groups of protection plates (18) which are arranged side by side, the outer walls of one sides of the two groups of protection plates (18) are respectively attached to the outer walls of the supporting vertical plates (3), the outer walls of one adjacent sides of the two groups of protection plates (18) are respectively provided with an embedding groove (19), the inner walls of the two groups of embedding grooves (19) are respectively provided with a movable baffle (20), the outer walls of one sides of the two groups of movable baffles (20) extend out of the embedding grooves (19), and the outer walls of one adjacent side of the two groups of movable baffles (20) are respectively provided with a magnetic sheet (21);
two sets of support riser (3) the front install link up rectangular block (27), accredited testing organization (28) are installed in the front of linking up rectangular block (27), the bottom of accredited testing organization (28) is installed and is covered clamp plate (29), and covers clamp plate (29) and be located the top of two sets of gravity induction plates (5), alarm (30) are installed at the top of linking up rectangular block (27), and electric connection between alarm (30) and accredited testing organization (28).
2. The device for testing the super block in the flash memory based on the rapid identification technology as claimed in claim 1, wherein: female magic tape (22) are installed on the back of the two sets of movable baffles (20) in an embedded mode, sub magic tapes (23) are installed on the back of the female magic tape (22), and wiping cotton slivers (24) are installed on the back of the two sets of sub magic tapes (23).
3. The apparatus for testing superblocks in flash memories based on fast ID technology as claimed in claim 1, wherein: display mechanism (25) are installed to the inner wall of recess board (4), and the front of display mechanism (25) is laminated with the back of two sets of cotton slivers (24) of cleaning respectively, two sets of backup pads (26) of arranging side by side are installed to the bottom of workstation (1).
4. A device for testing superblocks in flash memories based on the fast recognition technique according to any of claims 1 to 3, characterized in that it operates as follows:
s1, a worker places one group of flash memory super blocks to be detected above a left gravity sensing plate (5), a sensing part in the gravity sensing plate (5) converts the gravity value of the flash memory super blocks into a pressure signal, then two groups of multi-power-saving push rods (7) which are electrically connected with the moving plate (2) synchronously extend outwards on the moving plate, and then the limiting plates (8) are driven to correspondingly move towards the positions of the flash memory super blocks until the two groups of limiting plates (8) clamp the flash memory super blocks, namely the operation of the multi-power-saving push rods (7) is stopped;
s2, then, four groups of electric telescopic rods (14) below the group of movable plates (2) synchronously extend upwards to generate an upward driving force on the movable plates (2), meanwhile, a micro motor (10) installed on one side of the group of movable plates (2) drives a threaded rod (11) to rotate towards a set direction according to a set rotating speed through an output shaft, and as the sliding block (13) is in a fixed state, the threaded rod (11) rotates and simultaneously can convert a rotating force into a moving force relative to the sliding block (13), so that the group of movable plates (2) move towards one side relative to the sliding block (13), when the sliding block (13) close to one side of the micro motor (10) is attached to the inner wall of one side of the notch (9), the electric telescopic rods (14) also extend upwards to the longest state, and at the moment, a connection exists between a pressing plate (29) and a flash memory super block arranged above the gravity sensing plate (5);
s3, then carrying out various tests on the flash memory super block through the testing mechanism (28), feeding back the tested data information to the position of a display mechanism (25) electrically connected with the flash memory super block, judging the test result through the display mechanism (25), if the test result is in a qualified state, sending a set sound by an alarm (30) electrically connected with the display mechanism (25) to remind a worker to take away the tested flash memory super block, otherwise, judging the test result to be unqualified, and then, in four groups of electric telescopic rods (14) below the movable plate (2), two groups of electric telescopic rods (14) at the rear part are downwards contracted to a set length so that the movable plate (2) forms an inclined state from front to back, and meanwhile, a plurality of electricity-saving push rods (7) restore, at the moment, the tested flash memory super block automatically slides into an inclined frame (15), and then is transmitted to the inside of a collection box (17) through a folding and stretching frame (16) to finish the automatic collection work;
and S4, in the testing process of the flash memory super block in the device, a worker places another group of flash memory super blocks above the right gravity sensing plate (5), then the operation in the steps is carried out, and when the left movable plate (2) is restored, the flash memory super blocks clamped above the right gravity sensing plate (5) are connected with the pressing plate (29).
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| CN202210191427.9A CN114566204B (en) | 2022-02-28 | 2022-02-28 | Test device for super block in flash memory based on rapid identification technology |
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| CN202210191427.9A CN114566204B (en) | 2022-02-28 | 2022-02-28 | Test device for super block in flash memory based on rapid identification technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6046421A (en) * | 1997-11-06 | 2000-04-04 | Computer Service Technology, Inc. | PCB Adapter for a test connector assembly for an automatic memory module handler for testing electronic memory modules |
| US6876211B2 (en) * | 2002-03-13 | 2005-04-05 | Seagate Technology Llc | Printed circuit board test fixture that supports a PCB to be tested |
| US20100045458A1 (en) * | 2008-08-19 | 2010-02-25 | Silverbrook Research Pty Ltd | Safety system for an integrated circuit alignment testing apparatus |
| CN102645592B (en) * | 2011-02-21 | 2014-11-12 | 鸿富锦精密工业（深圳）有限公司 | Machine for testing service life of connector |
| US9921268B2 (en) * | 2015-11-18 | 2018-03-20 | International Business Machines Corporation | Auto-alignment of backer plate for direct docking test boards |
| CN207743207U (en) * | 2018-01-12 | 2018-08-17 | 江苏华存电子科技有限公司 | A kind of semi-automatic pin shaping machine of Integrated circuit IC |
| CN208366757U (en) * | 2018-07-11 | 2019-01-11 | 长春新试验机有限责任公司 | A kind of calibrating installation of crush test machine |
| CN112863587A (en) * | 2021-01-26 | 2021-05-28 | 深圳市卓然电子有限公司 | Method for testing flash memory chip |
| CN113241113B (en) * | 2021-05-14 | 2022-08-19 | 江苏华存电子科技有限公司 | Aging test equipment and method for semiconductor storage product |
| CN215879516U (en) * | 2021-07-13 | 2022-02-22 | 上海贺琦实业有限公司 | Effectual stamping die is used in processing of switch parts of locking fastening |
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