CN113438808B - CsPbI3 perovskite quantum dot electroluminescent diode - Google Patents
CsPbI3 perovskite quantum dot electroluminescent diode Download PDFInfo
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- CN113438808B CN113438808B CN202110670941.6A CN202110670941A CN113438808B CN 113438808 B CN113438808 B CN 113438808B CN 202110670941 A CN202110670941 A CN 202110670941A CN 113438808 B CN113438808 B CN 113438808B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
- H05K1/184—Components including terminals inserted in holes through the printed circuit board and connected to printed contacts on the walls of the holes or at the edges thereof or protruding over or into the holes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
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Abstract
The invention discloses a CsPbI3 perovskite quantum dot electroluminescent diode, which comprises a diode body, wherein the diode body comprises two pins, a bottom plate is arranged below the diode body, a cavity is arranged in the bottom plate, metal plates are fixedly connected to the left side and the right side of the top in the cavity, two through holes communicated with the cavity are arranged at the upper end of the bottom plate in a penetrating manner, the pins penetrate through the through holes and extend into the cavity, a bending mechanism used for bending the pins is arranged in the cavity, two abutting plates are arranged in the through holes, a driving mechanism used for driving the two abutting plates is arranged in the bottom plate, two welding pins are connected to the lower end of the bottom plate in a sliding manner, and the two welding pins are respectively and electrically connected with the two metal plates. The invention is convenient to replace and maintain the light emitting diode without damaging the circuit board, and the welding leg is not required to be bent during welding.
Description
Technical Field
The invention relates to the technical field of light emitting diodes, in particular to a CsPbI3 perovskite quantum dot electroluminescent diode.
Background
The light emitting diode is a common light emitting device, releases energy through the recombination of electrons and holes to emit light, has wide application in the field of illumination, can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like; such electronic devices have been developed as early as 1962, and they emit only low-level red light in the early stage, and other monochromatic light versions have been developed, and the light emitted so far has been distributed to visible light, infrared light and ultraviolet light, and the light level has been increased to a comparable level. The utility model can be used as an indicator light, a display panel and the like at the beginning; with the continuous progress of technology, light emitting diodes have been widely used for displays and lighting.
The existing light-emitting diode cannot be disassembled after being welded and installed on a circuit board, the circuit board is easily damaged when the light-emitting diode is replaced, when the light-emitting diode is damaged, the circuit board needs to be integrally replaced, materials are wasted, and when the light-emitting diode is welded, pins need to be bent to adjust the welding position, so that the pins are easily broken, and the welding is inconvenient.
Therefore, we propose a CsPbI3 perovskite quantum dot electroluminescent diode to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a light-emitting diode is inconvenient to replace and pins of the light-emitting diode are easy to damage during welding, and provides a CsPbI3 perovskite quantum dot electroluminescent diode.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a CsPbI3 perovskite quantum dot electroluminescent diode, includes the diode body, the diode body includes two pins, the below of diode body is equipped with the bottom plate, be equipped with the cavity in the bottom plate, the equal fixedly connected with metal sheet in the top left and right sides in the cavity, the upper end of bottom plate is run through and is equipped with two through-holes that are linked together with the cavity, the pin runs through the through-hole and extends to the intracavity and sets up, be equipped with in the cavity and be used for carrying out the mechanism of buckling to the pin, two all be equipped with in the through-hole and support the board, be equipped with in the bottom plate and be used for carrying out driven actuating mechanism to two support the board, the lower extreme sliding connection of bottom plate has two fillets, two the fillet is respectively with two metal sheet electric connection, be equipped with in the bottom plate and be used for carrying out the adjustment mechanism who adjusts two fillet positions.
Preferably, bending mechanism include with cavity inside wall fixed connection's riser, it is equipped with the bar through-hole to run through on the riser, bar through-hole internal rotation is connected with first bidirectional threaded rod, first bidirectional threaded rod external thread cover is equipped with two thread pieces, two the thread piece all with bar through-hole inside wall sliding connection, the one end of first bidirectional threaded rod is rotated and is run through the first turning handle of bottom plate and coaxial fixedly connected with, the left and right sides of riser all is equipped with the bending plate, two the left and right sides of thread piece all rotates and is connected with the deflection bar, four the one end that the thread piece was kept away from to the deflection bar rotates with two lateral walls that the bending plate is relative respectively and is connected, and two bending plates buckle the pin and support tightly with two metal sheets.
Preferably, threaded holes matched with the first bidirectional threaded rod penetrate through the two threaded blocks, and the thread directions in the two threaded holes are opposite.
Preferably, the upper sides of the side walls of the two bending plates, which are opposite to each other, are chamfered.
Preferably, actuating mechanism includes two drive chambeies of setting in the bottom plate, two the equal fixedly connected with threaded rod of lateral wall that the butt plate carried on the back mutually, two the threaded rod is kept away from the one end of butt plate and is all slided and run through the bottom plate and extend to two drive intracavity respectively, two equal thread bush is equipped with threaded sleeve, two outside the threaded sleeve respectively with two drive intracavity lateral wall sliding connection, two it runs through and is equipped with the pivot to rotate between the drive chamber, be connected through the drive mechanism transmission between pivot and the two threaded sleeve, the one end of pivot is rotated and is run through bottom plate and coaxial fixedly connected with second turning handle.
Preferably, drive mechanism includes first belt pulley and second belt pulley, first belt pulley and the coaxial fixed connection of pivot, the coaxial fixed connection of second belt pulley and screw sleeve, be connected through belt transmission between first belt pulley and the second belt pulley.
Preferably, the external threads of the two threaded rods are oppositely threaded.
Preferably, the adjusting mechanism comprises an adjusting groove arranged at the lower end of the bottom plate, a second bidirectional threaded rod is connected in the adjusting groove in a rotating mode, two adjusting blocks are sleeved on the outer thread of the second bidirectional threaded rod, the two adjusting blocks are all in sliding connection with the inner side wall of the adjusting groove, and the two welding feet are fixedly connected with the two adjusting blocks respectively.
Preferably, threaded holes matched with the second bidirectional threaded rod are formed in the two adjusting blocks, and the thread directions in the two threaded holes are opposite.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the driving mechanism and the bending mechanism, the first rotating handle drives the first bidirectional threaded rod to rotate, the first bidirectional threaded rod drives the two threaded blocks to move relatively, the two threaded blocks drive the two bending plates to move relatively through the four deflection rods, the two bending plates can bend the pins and tightly abut against the two metal plates, the second rotating handle drives the rotating shaft to rotate through rotating the second rotating handle, the rotating shaft drives the two threaded sleeves to rotate, the two threaded sleeves drive the two threaded rods to move relatively, and the two threaded rods drive the two abutting plates to move relatively, so that the pins are tightly abutted and fixed, the light-emitting diode is convenient to replace and maintain, and the circuit board cannot be damaged;
2. through setting up adjustment mechanism, through rotating the third change handle, the third change handle drives the rotation of the two-way threaded rod of second, and the two-way threaded rod of second drives two regulating block relative movement, and two regulating block drive two fillets and remove, can adjust the position of fillet, when welding, need not buckle to the fillet, avoid causing the damage to it.
The invention is more convenient to replace and maintain the light-emitting diode without damaging the circuit board, and the welding leg is not required to be bent during welding.
Drawings
FIG. 1 is a perspective view of a CsPbI3 perovskite quantum dot electroluminescent diode according to the present invention;
FIG. 2 is a perspective view of the front structure of a CsPbI3 perovskite quantum dot electroluminescent diode according to the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
fig. 4 is a top perspective view of the bottom plate of a CsPbI3 perovskite quantum dot electroluminescent diode according to the present invention.
In the figure: the structure comprises a diode body 1, a bottom plate 2, a cavity 3, a metal plate 4, a through hole 5, a bending mechanism 6, a butting plate 7, a driving mechanism 8, a welding pin 9, an adjusting mechanism 10, a vertical plate 11, a first bidirectional threaded rod 12, a threaded block 13, a first rotating handle 14, a bending plate 15, a deflection rod 16, a driving cavity 17, a threaded rod 18, a strip-shaped through hole 19, a threaded sleeve 20, a rotating shaft 21, a transmission mechanism 22, a second rotating handle 23, a first belt pulley 24, a second belt pulley 25, an adjusting groove 26, a second bidirectional threaded rod 27, an adjusting block 28, a pin 29 and a third rotating handle 30.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, a CsPbI3 perovskite quantum dot electroluminescent diode includes a diode body 1, the diode body 1 includes two pins 29, a bottom plate 2 is disposed below the diode body 1, a cavity 3 is disposed in the bottom plate 2, metal plates 4 are fixedly connected to left and right sides of the top of the cavity 3, two through holes 5 communicated with the cavity are disposed at the upper end of the bottom plate 2, the pins 29 penetrate through the through holes 5 and extend into the cavity 3, a bending mechanism 6 for bending the pins 29 is disposed in the cavity 3, specifically, the bending mechanism 6 includes a vertical plate 11 fixedly connected to the inner side wall of the cavity 3, a strip-shaped through hole 19 is disposed on the vertical plate 11, a first bidirectional threaded rod 12 is rotatably connected to the strip-shaped through hole 19, two threaded blocks 13 are externally threaded on the first bidirectional threaded rod 12, it should be noted that threaded holes matched with the first bidirectional threaded rod 12 are disposed on the two threaded blocks 13, the screw thread turning directions in the two screw holes are opposite, the two screw blocks 13 are both in sliding connection with the inner side wall of the strip-shaped through hole 19, and one end of the first bidirectional threaded rod 12 rotatably penetrates through the bottom plate 2 and is coaxially and fixedly connected with the first rotating handle 14.
In the invention, the left side and the right side of the vertical plate 11 are both provided with the bending plates 15, it is worth mentioning that the upper sides of the opposite side walls of the two bending plates 15 are arranged in a chamfer manner, the left side and the right side of the two thread blocks 13 are both rotatably connected with the deflection rods 16, one ends of the four deflection rods 16 far away from the thread blocks 13 are respectively rotatably connected with the opposite side walls of the two bending plates 15, the two through holes 5 are both provided with the supporting plates 7, the bottom plate 2 is internally provided with the driving mechanism 8 for driving the two supporting plates 7, further, the driving mechanism 8 comprises two driving cavities 17 arranged in the bottom plate 2, the opposite side walls of the two supporting plates 7 are both fixedly connected with the threaded rods 18, and it needs to be noted that the external threads of the two threaded rods 18 are opposite in rotation direction.
In the invention, one ends of two threaded rods 18 far away from a resisting plate 7 slidably penetrate through a bottom plate 2 and respectively extend into two driving cavities 17, threaded sleeves 20 are respectively sleeved outside the two threaded rods 18 in a threaded manner, the two threaded sleeves 20 are respectively slidably connected with the inner side walls of the two driving cavities 17, a rotating shaft 21 is rotatably penetrated between the two driving cavities 17, the rotating shaft 21 is in transmission connection with the two threaded sleeves 20 through a transmission mechanism 22, furthermore, the transmission mechanism 22 comprises a first belt pulley 24 and a second belt pulley 25, the first belt pulley 24 is coaxially and fixedly connected with the rotating shaft 21, the second belt pulley 25 is coaxially and fixedly connected with the threaded sleeves 20, the first belt pulley 24 is in transmission connection with the second belt pulley 25 through a belt, one end of the rotating shaft 21 rotatably penetrates through the bottom plate 2 and is coaxially and fixedly connected with a second rotating handle 23, and the lower end of the bottom plate 2 is slidably connected with two welding feet 9, the two solder fillets 9 are electrically connected to the two metal plates 4, respectively.
In the invention, an adjusting mechanism 10 for adjusting the positions of two welding feet 9 is arranged in a bottom plate 2, and it is noted that the adjusting mechanism 10 comprises an adjusting groove 26 arranged at the lower end of the bottom plate 2, a second bidirectional threaded rod 27 is connected in the adjusting groove 26 in a rotating manner, two adjusting blocks 28 are sleeved on the second bidirectional threaded rod 27 in a threaded manner, it should be noted that threaded holes matched with the second bidirectional threaded rod 27 are formed in the two adjusting blocks 28, the thread turning directions in the two threaded holes are opposite, the two adjusting blocks 28 are both connected with the inner side wall of the adjusting groove 26 in a sliding manner, the two welding feet 9 are respectively fixedly connected with the two adjusting blocks 28, and one end of the second bidirectional threaded rod 27 penetrates through the bottom plate 2 in a rotating manner and is coaxially and fixedly connected with a third rotating handle 30.
When the invention replaces the light emitting diode, the first rotating handle 14 is rotated, the first rotating handle 14 drives the first bidirectional threaded rod 12 to rotate, the first bidirectional threaded rod 12 drives the two threaded blocks 13 to move relatively, the two threaded blocks 13 drive the two bending plates 15 to move relatively through the four deflection rods 16, so that the two bending plates 15 do not limit the position of the pin 29, then, the second rotating handle 23 is rotated, the second rotating handle 23 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the two first belt pulleys 24 to rotate, the two first belt pulleys 24 drive the two second belt pulleys 25 to rotate through a belt, the two second belt pulleys 24 drive the two threaded sleeves 20 to rotate, the two threaded sleeves 20 drive the two threaded rods 18 to move relatively, the two threaded rods 18 drive the two abutting plates 7 to move relatively until the pins 29 are not limited, then the diode body 1 is taken out, and a new diode body 1 is replaced.
When the position of the two welding feet 9 is adjusted, the third rotating handle 30 is rotated, the third rotating handle 30 drives the second bidirectional threaded rod 27 to rotate, the second bidirectional threaded rod 27 drives the two adjusting blocks 28 to move relatively, and the two adjusting blocks 28 drive the two welding feet 9 to move, so that the position of the welding feet 9 can be adjusted.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The CsPbI3 perovskite quantum dot electroluminescent diode comprises a diode body (1), wherein the diode body (1) comprises two pins (29), and is characterized in that a bottom plate (2) is arranged below the diode body (1), a cavity (3) is arranged in the bottom plate (2), metal plates (4) are fixedly connected to the left side and the right side of the inner top of the cavity (3), two through holes (5) communicated with the cavity are arranged in the upper end of the bottom plate (2) in a penetrating manner, the pins (29) penetrate through the through holes (5) and extend into the cavity (3), bending mechanisms (6) used for bending the pins (29) are arranged in the cavity (3), two abutting plates (7) are arranged in the through holes (5), and a driving mechanism (8) used for driving the two abutting plates (7) is arranged in the bottom plate (2), the lower end of the bottom plate (2) is connected with two welding feet (9) in a sliding mode, the two welding feet (9) are respectively and electrically connected with the two metal plates (4), and an adjusting mechanism (10) used for adjusting the positions of the two welding feet (9) is arranged in the bottom plate (2);
the bending mechanism (6) comprises a vertical plate (11) fixedly connected with the inner side wall of the cavity (3), a strip-shaped through hole (19) is formed in the vertical plate (11) in a penetrating mode, a first bidirectional threaded rod (12) is connected to the strip-shaped through hole (19) in a rotating mode, two threaded blocks (13) are sleeved on the external thread of the first bidirectional threaded rod (12), the two threaded blocks (13) are connected with the inner side wall of the strip-shaped through hole (19) in a sliding mode, one end of the first bidirectional threaded rod (12) penetrates through the bottom plate (2) in a rotating mode and is coaxially and fixedly connected with a first rotating handle (14), bending plates (15) are arranged on the left side and the right side of the vertical plate (11), deflection rods (16) are connected to the left side and the right side of the two threaded blocks (13) in a rotating mode, four ends, far away from the threaded blocks (13), of the deflection rods (16) are connected with the side walls, opposite to the two bending plates (15) in a rotating mode, the two bending plates (15) bend the pins and tightly abut against the two metal plates (4); actuating mechanism (8) are including two drive chamber (17) that set up in bottom plate (2), two the equal fixedly connected with threaded rod (18) of lateral wall that supports board (7) back on the back mutually, two threaded rod (18) keep away from the one end of supporting board (7) and all slide and run through bottom plate (2) and extend to respectively in two drive chamber (17), two threaded rod (18) outer equal thread bush is equipped with threaded sleeve (20), two threaded sleeve (20) respectively with two drive chamber (17) inside wall sliding connection, two it is equipped with pivot (21) to rotate to run through between drive chamber (17), be connected through drive mechanism (22) transmission between pivot (21) and two threaded sleeve (20), the one end of pivot (21) is rotated and is run through bottom plate (2) and coaxial fixedly connected with second turning handle (23).
2. The CsPbI3 perovskite quantum dot electroluminescent diode according to claim 1, wherein two threaded blocks (13) each have a threaded hole therethrough for mating with the first bi-directional threaded rod (12), the threads in the two threaded holes being of opposite hand.
3. The CsPbI3 perovskite quantum dot electroluminescent diode according to claim 1, wherein the two bent plates (15) are chamfered on the upper side of the opposite sidewalls.
4. The CsPbI3 perovskite quantum dot electroluminescent diode according to claim 1, wherein the transmission mechanism (22) comprises a first pulley (24) and a second pulley (25), the first pulley (24) is coaxially and fixedly connected with the rotating shaft (21), the second pulley (25) is coaxially and fixedly connected with the threaded sleeve (20), and the first pulley (24) is in belt transmission connection with the second pulley (25).
5. A CsPbI3 perovskite quantum dot electroluminescent diode according to claim 1, wherein the external threads of the two threaded rods (18) are of opposite hand.
6. The CsPbI3 perovskite quantum dot electroluminescent diode according to claim 1, wherein the adjusting mechanism (10) comprises an adjusting groove (26) formed in the lower end of the bottom plate (2), a second bidirectional threaded rod (27) is rotatably connected in the adjusting groove (26), two adjusting blocks (28) are sleeved on the outer thread of the second bidirectional threaded rod (27), the two adjusting blocks (28) are both slidably connected with the inner side wall of the adjusting groove (26), the two welding feet (9) are respectively fixedly connected with the two adjusting blocks (28), and one end of the second bidirectional threaded rod (27) rotatably penetrates through the bottom plate (2) and is coaxially and fixedly connected with a third rotating handle (30).
7. The CsPbI3 perovskite quantum dot electroluminescent diode according to claim 6, wherein two adjusting blocks (28) are provided with threaded holes matching with the second bidirectional threaded rod (27), and the thread directions in the two threaded holes are opposite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110670941.6A CN113438808B (en) | 2021-06-17 | 2021-06-17 | CsPbI3 perovskite quantum dot electroluminescent diode |
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| CN202110670941.6A CN113438808B (en) | 2021-06-17 | 2021-06-17 | CsPbI3 perovskite quantum dot electroluminescent diode |
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| CN113438808A CN113438808A (en) | 2021-09-24 |
| CN113438808B true CN113438808B (en) | 2022-07-26 |
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| CN114777429A (en) * | 2022-04-19 | 2022-07-22 | 苏州查斯特电子有限公司 | Dewatering device for diode |
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| CN2877037Y (en) * | 2005-11-23 | 2007-03-07 | 吴育林 | Integrated element containing LED and circuitboard |
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