CN114639294A - A presentation device for FPGA test function - Google Patents
A presentation device for FPGA test function Download PDFInfo
- Publication number
- CN114639294A CN114639294A CN202210142606.3A CN202210142606A CN114639294A CN 114639294 A CN114639294 A CN 114639294A CN 202210142606 A CN202210142606 A CN 202210142606A CN 114639294 A CN114639294 A CN 114639294A
- Authority
- CN
- China
- Prior art keywords
- display screen
- placing table
- display counter
- display
- fpga test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000013016 damping Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Abstract
The utility model discloses a demonstration device for FPGA test functions, which comprises a display screen, wherein the display screen is arranged in a display counter in a lifting manner, protective pads capable of protecting the display screen are arranged on the front side and the rear side of the display screen, and damping springs are fixedly arranged on the outer side surfaces of the protective pads; the placing table is rotatably arranged on the upper surface of the right side of the display counter, and a heat dissipation hole for dissipating heat is formed in the placing table; the clamping devices are movably arranged above the placing table, and the center of the clamping devices is symmetrically arranged 4, so that the test board can be stably clamped. This a presentation device for FPGA test function adopts neotype structural design for the device can show display screen income when not using inside, and utilize inside protection to fill up and protect it and the shock attenuation, can utilize the development board to place the bench fixing device fixed when demonstrating, prevents that the development board receives the condition that external force dropped when the demonstration from influencing the test effect.
Description
Technical Field
The utility model relates to the technical field of FPGA (field programmable gate array) testing, in particular to a demonstration device for FPGA testing functions.
Background
The FPGA is a digital integrated circuit chip, which is one of the physical realization modes of a digital circuit, and the problems in the digital integrated circuit chip are discovered after repeated tests from the beginning to the maturity of a system, and a program is required to be programmed into the chip and then connected with a display to demonstrate the running result of the program during the test. To meet the demands and development trends of users, the functions of FPGA devices are more and more powerful, and large-scale and oversized modules have become a development trend. Most FPGA devices need to be tested after being produced and molded at present in order to verify the functional integrity and the working stability of the FPGA devices. The third-party evaluation of the FPGA program usually requires hardware testing of the FPGA in addition to the simulation test verification function, and usually requires a technician to manually convert the formats of the test vectors and the related configuration items into corresponding file formats, manually input the file formats into a test machine, and then perform a corresponding test process on the FPGA device through the test machine.
In the prior art, a Chinese patent with an authorization notice number of CN212061138U discloses a demonstration device for FPGA test, which comprises keys, an access hole, a main body and a display screen, wherein one end of the main body is provided with the display screen, the bottom end of the display screen is provided with a charging port, one side of the charging port is provided with a dustproof structure, one side of the display screen is provided with the keys, the other end of the main body is provided with the access hole, four corners of the main body are respectively provided with a buffer structure, the buffer structure comprises rubber pads, a telescopic rod, a second clamping groove, a second clamping block and a telescopic spring, the rubber pads are respectively arranged at the four corners of the main body, the rubber pads are arranged at the four corners of the main body, the rubber pads can play a certain buffer effect on the main body, when the main body is acted by an external force, the second clamping groove is mutually clamped with the second clamping groove, and the telescopic spring and the telescopic rod are mutually contracted, thereby enabling the main body to obtain a certain buffering effect.
However, in the actual use process, the device is fixed in a handheld mode, so that the display screen is small, people cannot be observed conveniently, the display screen is not protected, the display screen can be damaged in the long-term use process, meanwhile, the device cannot fix the FPGA development board for testing, and the development board can fall off due to external force during testing, so that the damage is caused, and the testing effect is influenced.
Disclosure of Invention
The utility model aims to provide a demonstration device for FPGA test functions, which is used for solving the problems that a display screen is small, corresponding protection measures are not provided, and an FPGA development board cannot be fixed during testing in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a presentation device for FPGA test functions, comprising:
the display counter is horizontally placed on the floor of a room convenient to watch, and the position of the display counter can be moved through the universal wheels below the display counter;
the driving motor is fixedly arranged on the outer surface of the left side of the display counter and is connected with the internal longitudinal screw rod through a belt;
the storage box is arranged on the inner side of the right end of the display counter, and the interior of the storage box is divided into a plurality of placing areas by using partition plates;
the display screen is arranged in the display counter in a lifting manner, protective pads capable of protecting the display screen are arranged on the front side and the rear side of the display screen, and damping springs are fixedly arranged on the outer side surfaces of the protective pads;
the upper sealing ring is fixedly arranged above the display screen, and the size of the upper sealing ring is equal to that of the opening on the upper surface of the left side of the display counter;
the bottom plate is fixedly arranged at the lower end of the display screen, and the display screen and the bottom plate can rotate freely;
the lower sealing ring is arranged on the upper surface of the bottom plate, and the size of the lower sealing ring is the same as that of the upper sealing ring;
the longitudinal screw rod is rotatably arranged on the left side in the display counter and is in threaded connection with the left side of the bottom plate in a penetrating manner;
the placing table is rotatably arranged on the upper surface of the right side of the display counter, heat dissipation holes for dissipating heat are formed in the placing table, and heat dissipation fans capable of accelerating air circulation are arranged on the left side and the right side of the placing table;
clamping device, mobilizable installation place the platform top, 4 of centrosymmetric installation clamping device can realize stabilizing the centre gripping to surveying the board, and places a middle part upper surface and be provided with the rolling disc.
Preferably, the bottom plate drives the display screen to pass through vertical lead screw with the elevation structure is constituteed to the show sales counter, be provided with the stripper plate under the bottom plate, drive vertical lead screw through driving motor and rotate to can get into inside the show sales counter with the display screen of top removal downwards.
Preferably, the extrusion plate passes through the below extrusion spring with the show sales counter constitutes elastic structure, the extrusion plate is connected with head rod and second connecting rod through vertical pole, and the extrusion plate can upwards move under the effect of below extrusion spring after removing the display screen to utilize vertical pole to promote head rod and second connecting rod and take place to rotate.
Preferably, the first connecting rod with constitute revolution mechanic between the second connecting rod, and first connecting rod other end swing joint has the slurcam, can push the slurcam inboard when first connecting rod and second connecting rod take place to rotate to make the protection fill up and the contact of display screen, reach the purpose of protection.
Preferably, the pushing plate passes through damping spring with constitute elastic construction between the protection pad, just the protection pad wholly adopts soft sponge material to make, utilizes the damping spring between protection pad and the pushing plate can absorb the energy of rocking when thrust unit removes, reaches absorbing purpose.
Preferably, the clamping device pass through sharp slider with place the platform and constitute sliding structure, and clamping device pass through adjusting threaded rod with rectilinear slider constitutes elevation structure, sharp slider lower extreme runs through and installs horizontal lead screw, can make sharp slider drive the clamping device change position of top through the rotation of horizontal lead screw, later utilizes adjusting threaded rod to change clamping device's upper and lower position, carries out the centre gripping to the development board and fixes.
Preferably, the inboard top end fixed mounting of horizontal lead screw can drive it and take place pivoted driven helical gear, just driven helical gear constitutes the engagement structure with below initiative helical gear, places the platform through the rotation and can make and take place the displacement between driven helical gear and the initiative helical gear to make driven helical gear drive horizontal lead screw and begin to rotate.
Preferably, the supporting plate in an annular structure is arranged below the rotating disc, the upper surface of the supporting plate is provided with balls capable of reducing friction force, and the balls can be used for reducing the friction force between the supporting plate and the rotating disc, so that the rotating disc can rotate more easily.
Preferably, the initial height of the rotating disc is higher than the height of the upper surface of the placing table, the supporting plate and the placing table form an elastic structure through a return spring, and the outer placing table can be rotated by the rotating disc without changing the angle of the developing plate.
Compared with the prior art, the utility model has the beneficial effects that: this a presentation device for FPGA test function adopts neotype structural design for the device can be inside the display screen income show sales counter when not using, and utilize inside protection to fill up and protect it and the shock attenuation, can utilize the development board to place the fixing device on the platform fixed when demonstrating simultaneously, thereby prevent that the development board receives the condition that external force dropped when the demonstration.
1. The catch plate, the head rod, the second connecting rod, cooperation between protection pad and the damping spring is used, can extrude the stripper plate of below downwards after the display screen passes through vertical lead screw income show sales counter is inside, thereby with the pulling downwards of hookup location of head rod and second connecting rod, make it take place to rotate, thereby promote catch plate and protection pad to the centre, make protection pad and display screen contact, reach the purpose of protection, utilize damping spring can reduce the vibrations that the device appears in the removal simultaneously.
2. Linear sliding block, horizontal lead screw, driven helical gear and the cooperation between the initiative helical gear use, through rotating the platform of placing in the outside and making relative movement between inside driven helical gear and the initiative helical gear to make driven helical gear take place to rotate, drive horizontal lead screw synchronous rotation, change the position of top linear sliding block, finally can utilize clamping device to fix the FPGA development board that needs carry out the test, prevent that it from dropping and appearing damaging.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a front cross-sectional view of the display counter of the present invention;
FIG. 3 is a schematic top view of the placement platform of the present invention;
FIG. 4 is a front view of a cross-sectional structure of the placement table of the present invention;
FIG. 5 is a schematic view in partial top cross-section of the display counter of the present invention;
FIG. 6 is a schematic view of a partial side cross-sectional view of the display counter of the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 4 according to the present invention.
In the figure: 1. a display counter; 2. a drive motor; 3. a storage box; 4. a display screen; 5. an upper sealing ring; 6. a base plate; 7. a lower seal ring; 8. a longitudinal screw rod; 9. a placing table; 10. a clamping device; 11. a pressing plate; 12. a compression spring; 13. a push plate; 14. a protective pad; 15. a damping spring; 16. a first connecting rod; 17. a second connecting rod; 18. heat dissipation holes; 19. a heat radiation fan; 20. adjusting the threaded rod; 21. a linear slider; 22. a transverse screw rod; 23. a driven helical gear; 24. a driving bevel gear; 25. rotating the disc; 26. a support plate; 27. a ball bearing; 28. a return spring.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a presentation device for FPGA test functions, comprising:
the display counter 1 is horizontally placed on the floor of a room convenient to watch, and the display counter 1 can move through universal wheels below;
the driving motor 2 is fixedly arranged on the outer surface of the left side of the display counter 1, and the driving motor 2 is connected with the internal longitudinal screw rod 8 through a belt;
the storage box 3 is arranged on the inner side of the right end of the display counter 1, and the interior of the storage box 3 is divided into a plurality of placing areas by using partition plates;
the display screen 4 is arranged in the display counter 1 in a lifting manner, the front side and the rear side of the display screen 4 are provided with protective pads 14 capable of protecting the display screen 4, and the outer side surfaces of the protective pads 14 are fixedly provided with damping springs 15;
the upper sealing ring 5 is fixedly arranged above the display screen 4, and the size of the upper sealing ring 5 is equal to that of the opening on the upper surface of the left side of the display counter 1;
the bottom plate 6 is fixedly arranged at the lower end of the display screen 4, and the display screen 4 and the bottom plate 6 can rotate freely;
the lower sealing ring 7 is arranged on the upper surface of the bottom plate 6, and the size of the lower sealing ring 7 is the same as that of the upper sealing ring 5;
the longitudinal screw rod 8 is rotatably arranged on the left side in the display counter 1, and the longitudinal screw rod 8 is in threaded connection with the left side of the bottom plate 6;
the placing table 9 is rotatably installed on the upper surface of the right side of the display counter 1, heat dissipation holes 18 for dissipating heat are formed in the placing table 9, and heat dissipation fans 19 capable of accelerating air circulation are installed on the left side and the right side of the placing table 9;
clamping device 10, mobilizable installation with place platform 9 top, 4 clamping device 10 of centrosymmetric installation can realize stablizing the centre gripping to testing panel, and place platform 9 middle part upper surface and be provided with rolling disc 25.
The bottom plate 6 drives the display screen 4 and constitutes elevation structure through vertical lead screw 8 and show sales counter 1, be provided with stripper plate 11 under the bottom plate 6, stripper plate 11 constitutes elastic construction through below extrusion spring 12 and show sales counter 1, stripper plate 11 is connected with head rod 16 and second connecting rod 17 through vertical pole, constitute rotational structure between head rod 16 and the second connecting rod 17, and 16 other ends swing joint of head rod has slurcam 13, slurcam 13 passes through damping spring 15 and protects and constitutes elastic construction between the pad 14, and the protection pad 14 wholly adopts soft sponge material to make.
When a test is needed, firstly writing a program written in a computer into a development board of an integrated FPGA chip, then connecting the development board with a display screen 4 through a connecting wire, then running the program to show the result of program compiling on the display screen 4, after the demonstration is finished, starting a driving motor 2 to drive a longitudinal screw 8 in a display counter 1 to rotate so as to drive a bottom plate 6 and a display screen 4 above to move downwards to enter the display counter 1, after the display screen 4 completely enters the interior, an upper sealing ring 5 above is just coincided with an opening, and after the display screen 4 enters the interior, pushing a squeezing plate 11 downwards so as to compress a squeezing spring 12, at the moment, the squeezing plate 11 utilizes a vertical rod to pull the joint of a first connecting rod 16 and a second connecting rod 17 downwards so as to utilize the vertical rod to push a pushing protection plate 13 towards the middle so as to enable a pushing protection pad 14 to be contacted with the display screen 4, the protection effect is achieved, the display counter 1 is pushed to be retracted, and the damping spring 15 between the protection pad 14 and the pushing plate 13 absorbs the shaking force in the pushing process, so that the damping purpose is achieved.
Clamping device 10 constitutes sliding construction through sharp slider 21 and place platform 9, and clamping device 10 constitutes elevation structure through adjusting threaded rod 20 and sharp slider 21, horizontal lead screw 22 is installed in the lower extreme of sharp slider 21 through running through, horizontal lead screw 22 inboard top fixed mounting has can drive it to take place pivoted driven helical gear 23, and driven helical gear 23 constitutes the engagement structure with below initiative helical gear 24, the setting of rolling disc 25 below is the layer board 26 of loop configuration, layer board 26 upper surface is provided with the ball 27 that can reduce frictional force, the initial height of rolling disc 25 is higher than the upper surface height of placing platform 9, and layer board 26 constitutes elastic construction through reset spring 28 and place platform 9.
After the development board is attached to the display screen 4, the development board is placed over the placing table 9, and then the development board is pressed with a small force, while rotating the placing table 9, at this time, the placing table 9 and the rotating disk 25 are rotated by the balls 27, and the angle of the developing plate is not changed, the relative position between the internal driven helical gear 23 and the stationary driving helical gear 24 changes when the placing table 9 rotates, so as to drive the driven bevel gear 23 to rotate by the meshing connection between the two bevel gears, the driven bevel gear 23 drives the transverse screw rod 22 to start rotating when rotating, thereby driving the upper clamping device 10 to change the position by the linear slide block 21, after the clamping device 10 reaches a proper position, the rotation of the placing platform 9 is stopped, and then the adjusting threaded rod 20 is rotated to enable the clamping device 10 to move downwards to clamp and fix the middle development board, thereby preventing the development board from being damaged by falling of external force to the chip in the process of test demonstration.
The working principle is as follows: when the device is used, according to the structure shown in the figures 1-7, firstly, a program written on a computer is written into a development board of an integrated FPGA chip, then the development board is fixed on a placing table 9 by using a clamping device 10 to prevent the development board from falling off in the process, then the development board is connected with a display screen 4, the test result is demonstrated through the display screen 4, the display screen 4 is retracted into the inside of the display counter 1 by using a longitudinal screw rod 8 after the test demonstration is completed, and the display screen 4 is protected by using an internal protection pad 14, which is the working principle of the demonstration device for the FPGA test function.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a presentation device for FPGA test function which characterized in that: the method comprises the following steps:
the display counter is horizontally placed on the floor of a room convenient to watch, and the position of the display counter can be moved through the universal wheels below the display counter;
the driving motor is fixedly arranged on the outer surface of the left side of the display counter and is connected with the internal longitudinal screw rod through a belt;
the storage box is arranged on the inner side of the right end of the display counter, and the interior of the storage box is divided into a plurality of placing areas by using partition plates;
the display screen is arranged in the display counter in a lifting manner, protective pads capable of protecting the display screen are arranged on the front side and the rear side of the display screen, and damping springs are fixedly arranged on the outer side surfaces of the protective pads;
the upper sealing ring is fixedly arranged above the display screen, and the size of the upper sealing ring is equal to that of the opening on the upper surface of the left side of the display counter;
the bottom plate is fixedly arranged at the lower end of the display screen, and the display screen and the bottom plate can rotate freely;
the lower sealing ring is arranged on the upper surface of the bottom plate, and the size of the lower sealing ring is the same as that of the upper sealing ring;
the longitudinal screw rod is rotatably arranged on the left side in the display counter and is in threaded connection with the left side of the bottom plate in a penetrating manner;
the placing table is rotatably arranged on the upper surface of the right side of the display counter, heat dissipation holes for dissipating heat are formed in the placing table, and heat dissipation fans capable of accelerating air circulation are arranged on the left side and the right side of the placing table;
the clamping devices are movably arranged above the placing table, the centers of the clamping devices are symmetrically arranged 4, stable clamping on the test board can be achieved, and the upper surface of the middle of the placing table is provided with a rotating disc.
2. The demonstration device for the FPGA test function according to claim 1, characterized in that: the bottom plate drives the display screen to form a lifting structure with the display counter through the longitudinal screw rod, and a squeezing plate is arranged under the bottom plate.
3. The demonstration device for the FPGA test function according to claim 2, characterized in that: the extrusion plate passes through the below extrusion spring with show sales counter constitutes elastic structure, the extrusion plate is connected with head rod and second connecting rod through vertical pole.
4. The demonstration device for FPGA test functions according to claim 3, characterized in that: a rotating structure is formed between the first connecting rod and the second connecting rod, and the other end of the first connecting rod is movably connected with a pushing plate.
5. The demonstration device for FPGA test functions according to claim 4, characterized in that: the pushing plate and the protection pad form an elastic structure through a damping spring, and the protection pad is integrally made of soft sponge materials.
6. The demonstration device for the FPGA test function according to claim 1, characterized in that: the clamping device passes through sharp slider with place the platform and constitute sliding construction, and clamping device through adjusting threaded rod with rectilinear slider constitutes elevation structure, the horizontal lead screw is installed in the penetration of sharp slider lower extreme.
7. The demonstration device for FPGA test functions according to claim 6, characterized in that: the top end of the inner side of the transverse screw rod is fixedly provided with a driven helical gear which can drive the transverse screw rod to rotate, and the driven helical gear and the driving helical gear below form an engaging structure.
8. The demonstration device for the FPGA test function according to claim 1, characterized in that: the lower part of the rotating disc is provided with a supporting plate in an annular structure, and the upper surface of the supporting plate is provided with balls capable of reducing friction force.
9. The presentation device for FPGA test functionality according to claim 8, wherein: the initial height of the rotating disc is higher than the height of the upper surface of the placing table, and the supporting plate and the placing table form an elastic structure through a return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210142606.3A CN114639294A (en) | 2022-02-16 | 2022-02-16 | A presentation device for FPGA test function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210142606.3A CN114639294A (en) | 2022-02-16 | 2022-02-16 | A presentation device for FPGA test function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114639294A true CN114639294A (en) | 2022-06-17 |
Family
ID=81946163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210142606.3A Pending CN114639294A (en) | 2022-02-16 | 2022-02-16 | A presentation device for FPGA test function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114639294A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070022582A1 (en) * | 2005-07-28 | 2007-02-01 | Carnevali Jeffrey D | Thumb release mounting apparatus |
| CN108391182A (en) * | 2018-03-27 | 2018-08-10 | 江苏赛博宇华科技有限公司 | A kind of Internet of Things long-distance monitorng device |
| JP6603865B1 (en) * | 2019-04-24 | 2019-11-13 | 青島▲か▼唯鎖業有限公司 | Display screen adjuster |
| CN211264836U (en) * | 2019-10-23 | 2020-08-14 | 赣州帝商实业有限公司 | Safe display screen equipment |
| CN211375821U (en) * | 2020-03-24 | 2020-08-28 | 青海交通职业技术学院 | Demonstration device for practical training teaching based on computer application |
| CN212061138U (en) * | 2020-06-18 | 2020-12-01 | 韩晓晶 | A presentation device for FPGA test |
| CN212840921U (en) * | 2020-06-15 | 2021-03-30 | 南京澳讯人工智能研究院有限公司 | Lighting device with information display function |
| CN213544398U (en) * | 2020-10-22 | 2021-06-25 | 张锐 | Observation device for microorganism physicochemical experiment that can quick centering was placed |
| CN214548581U (en) * | 2021-01-25 | 2021-11-02 | 遵义职业技术学院 | Agricultural economy production model display device |
-
2022
- 2022-02-16 CN CN202210142606.3A patent/CN114639294A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070022582A1 (en) * | 2005-07-28 | 2007-02-01 | Carnevali Jeffrey D | Thumb release mounting apparatus |
| CN108391182A (en) * | 2018-03-27 | 2018-08-10 | 江苏赛博宇华科技有限公司 | A kind of Internet of Things long-distance monitorng device |
| JP6603865B1 (en) * | 2019-04-24 | 2019-11-13 | 青島▲か▼唯鎖業有限公司 | Display screen adjuster |
| CN211264836U (en) * | 2019-10-23 | 2020-08-14 | 赣州帝商实业有限公司 | Safe display screen equipment |
| CN211375821U (en) * | 2020-03-24 | 2020-08-28 | 青海交通职业技术学院 | Demonstration device for practical training teaching based on computer application |
| CN212840921U (en) * | 2020-06-15 | 2021-03-30 | 南京澳讯人工智能研究院有限公司 | Lighting device with information display function |
| CN212061138U (en) * | 2020-06-18 | 2020-12-01 | 韩晓晶 | A presentation device for FPGA test |
| CN213544398U (en) * | 2020-10-22 | 2021-06-25 | 张锐 | Observation device for microorganism physicochemical experiment that can quick centering was placed |
| CN214548581U (en) * | 2021-01-25 | 2021-11-02 | 遵义职业技术学院 | Agricultural economy production model display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210189815U (en) | Built-in manipulator structure of blue-ray disc library | |
| WO2022040892A1 (en) | Protection base of blockchain smart robot | |
| CN210604206U (en) | Plug terminal bending test machine | |
| CN114639294A (en) | A presentation device for FPGA test function | |
| CN113990122A (en) | Freely retractable classroom multimedia teaching equipment | |
| CN111928084B (en) | Positioning mechanism of image acquisition equipment for graphic processing terminal | |
| CN219062304U (en) | Vehicle-mounted equipment with shock-absorbing structure | |
| CN113446476A (en) | Projection arrangement is used in english teaching | |
| CN209812377U (en) | Shock-proof device for optical lens | |
| CN214068001U (en) | Training equipment for electric power teaching | |
| CN116582613B (en) | Electronic product performance detection device | |
| CN220882379U (en) | Multifunctional installation base | |
| CN219367252U (en) | Placement type projector bracket | |
| CN220647369U (en) | Multimedia projection stability augmentation device | |
| CN218566420U (en) | Three-dimensional image surface measuring device | |
| CN210461528U (en) | Projector convenient to use | |
| CN216568919U (en) | Network computer suitable for video teaching | |
| CN115436268B (en) | High-speed camera protective housing anti-aging test machine | |
| CN116931686B (en) | Development and debugging device for computer software technology | |
| CN216249636U (en) | But real time monitoring analysis's computer teaching device | |
| CN212706408U (en) | Frock clamp is used in bearing production | |
| CN217329213U (en) | Projection arrangement of design progress analysis and management | |
| CN215738121U (en) | Cartoon handheld display device | |
| CN219590956U (en) | Word filling device | |
| CN220359646U (en) | Distributed digital video controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240319 |