CN114205718B - Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof - Google Patents
Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof Download PDFInfo
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- CN114205718B CN114205718B CN202111550261.7A CN202111550261A CN114205718B CN 114205718 B CN114205718 B CN 114205718B CN 202111550261 A CN202111550261 A CN 202111550261A CN 114205718 B CN114205718 B CN 114205718B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Abstract
The invention discloses a low-thickness direct radiation electric loudspeaker with a replaceable cone and a method thereof, wherein the low-thickness direct radiation electric loudspeaker comprises a cone, a cone frame, a magnet and T-shaped iron, the overall thickness of the loudspeaker is low, meanwhile, the detachable cone is convenient for subsequent overhaul and maintenance, the bottom surface of a pressing edge can be always in good contact with an extension ring in the process of installing the cone, a clamping ring is used for guiding and limiting to be in contact with a voice coil, in the process of assembling the pressing edge, a plurality of fingers can be used for pressing an auxiliary matching ring and rotating the pressing edge, the grooves of the auxiliary matching ring increase friction force, so that the cone can be well assembled in the process of screwing and pressing the pressing edge, the dismounting convenience is good, the grooves matched with a coil are formed in the outer wall of the support frame, the phenomenon that the coil is displaced or falls off can be avoided, namely, the cone in the electric loudspeaker is not required to be additionally operated by workpieces in the dismounting process, the dismounting convenience is good, and meanwhile, the coil has good anti-interference capability.
Description
Technical Field
The invention relates to a loudspeaker, in particular to a low-thickness direct radiation electrodynamic loudspeaker with a replaceable cone and a method thereof.
Background
The loudspeaker is short for direct radiation electrodynamic loudspeaker. The loudspeaker is a transducer for converting electric signals into acoustic signals, and the performance of the loudspeaker has great influence on sound quality. The loudspeaker is the weakest element in the sound equipment and is in turn the most important component for the sound effect. Speakers are of a wide variety and are of widely varying sizes, with different thickness ratios being required to meet different practical use requirements. The low-thickness direct-radiation electrodynamic loudspeaker, i.e. the low-thickness loudspeaker, is suitable for installation in a narrow space. The existing low-thickness loudspeaker is generally installed on automobiles and other special workpieces, the loudspeaker on the automobiles and other special workpieces needs to play music with high volume and high power for a long time, meanwhile, along with the vibration of the automobiles, the temperature of a coil is increased, the glue of the coil is softened after being heated, the coil is easy to displace or fall off, the loudspeaker is damaged, the fixation of the coil is very important, the situation that a cone is replaced after the low-thickness loudspeaker is installed is also likely to occur, but the existing loudspeaker cone is replaced by additional equipment, the existing loudspeaker cone is difficult to operate simply through two hands, the coil is required to have strong anti-interference capability, meanwhile, the operation of additional workpieces is not needed, and the low-thickness loudspeaker with good disassembly and assembly convenience is required.
Disclosure of Invention
The invention aims to provide a low-thickness direct radiation electrodynamic loudspeaker with a replaceable cone and a method thereof, and the low-thickness direct radiation electrodynamic loudspeaker has the advantages that the cone is disassembled and assembled without additional work piece operation, the disassembly and assembly convenience is good, and meanwhile, a coil has good anti-interference capability, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a low thickness direct radiation electrodynamic loudspeaker of removable cone, includes cone, basin frame, magnet and T shape iron, T shape iron installs in the below of magnet, and T shape iron stretches into the inboard of magnet, and the basin frame is installed to the top of magnet, the top edge installation of basin frame rather than swing joint's cone, the voice coil loudspeaker voice coil is connected to the bottom of cone, and T shape iron is connected to the bottom of voice coil loudspeaker voice coil, and T shape iron stretches into the inboard of voice coil loudspeaker voice coil.
Further, the cone includes blank holder, dust cover, evagination ring, main part, extension ring and screens ring, and screens ring installs in the bottom surface center department of main part, and the top surface center department at the main part is installed to the dust cover, and the outer bulge loop of edge installation of main part, the extension ring is installed to the outward flange of outer bulge loop, extends the bottom surface that the ring connects the blank holder, and the outer wall of blank holder is equipped with the screw thread in advance, and the blank holder passes through screw-thread fit's mode and basin frame swing joint.
Further, the upper surface of the extension ring is preset with a guide ring, the bottom surface of the pressing edge is provided with groove grains matched with the guide ring, and the outer wall of the pressing edge is preset with sand grains.
Further, an auxiliary matching ring coaxial with the upper surface of the pressing edge is preset on the upper surface of the pressing edge, and uniformly distributed grooves are paved on the surface of the auxiliary matching ring.
Further, the voice coil loudspeaker voice coil includes support frame, coil, top cover and sideboard, and the edge of top cover is connected with the cone contact, and top cover installs on the top of support frame and rather than swing joint, and the bottom mounting of support frame is on T shape iron, and the outer wall winding coil of support frame, the even sideboard of outer wall installation of support frame, the sideboard of sideboard and the inner wall contact of magnet.
Further, the outer wall of the support frame is provided with groove grains matched with the coil.
Further, the outer edge of the top sleeve is in contact connection with the clamping ring, and a chamfer is preset at the edge of the inner wall of the clamping ring.
Further, the T-shaped iron stretches into the inner side of the supporting frame, and polygonal groove positions matched with the T-shaped iron are formed in the inner side wall of the supporting frame.
Further, a radiating fin with a coaxial center is arranged above the magnet, the radiating fin is arranged on the outer side of the voice coil, and the radiating fin is wavy.
Another technical problem to be solved by the present invention is to provide a method for implementing a low-thickness direct radiation electrodynamic loudspeaker with a replaceable cone, comprising the steps of:
s1: firstly, mounting a magnet above a T-shaped iron, wherein radiating fins distributed in a ring shape are prefabricated above the magnet;
s2: then the voice coil is arranged on the inner side of the magnet, the basin frame is fixed at the top edge of the magnet, and the central axes of the magnet, the T-shaped iron and the basin frame are kept to coincide;
s3: then, the cone is initially positioned, wherein a main body in the cone is moved to the center of a cone frame, and then the cone is slowly put down until a clamping ring is contacted with the top end of a voice coil, and at the moment, the edge of an extension ring is overlapped with the cone frame;
s4: then locking the cone, wherein the pressing edge is placed above the extension ring, then screwing the extension ring, connecting the extension ring with the cone frame in a threaded fit manner, and then pressing the auxiliary fit ring with the groove at the top end of the pressing edge by a plurality of fingers and rotating, so that the pressing edge can press the extension ring;
s5: and finally, replacing the cone, wherein the pressing edge is reversely screwed until the pressing edge is taken down, a new cone is replaced after the pressing edge is taken down, and then the pressing edge is re-screwed.
Compared with the prior art, the invention has the beneficial effects that: the low-thickness direct radiation electric loudspeaker with the replaceable cone is low in overall thickness, meanwhile, the detachable cone is convenient for subsequent overhaul and maintenance, in the process of cone installation, the bottom surface of the pressing edge can be in good contact with the extension ring all the time, the clamping ring is used for guiding and limiting to be in contact with the voice coil, in the process of assembly of the pressing edge, the auxiliary matching ring can be pressed by a plurality of fingers to rotate the pressing edge, friction force is increased by grooves of the auxiliary matching ring, so that the cone can be well assembled in the process of screwing and pressing the pressing edge, the dismounting convenience is good, the grooves matched with the coil are formed in the outer wall of the support frame, the phenomenon that the coil is displaced or falls off can be avoided, namely, the cone in the electric loudspeaker is dismounted without additional work piece operation, the dismounting convenience is good, and meanwhile, the coil has good anti-interference capability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the cone structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention;
FIG. 4 is an enlarged schematic view of the structure at B of the present invention;
FIG. 5 is an exploded view of the overall structural installation of the present invention;
FIG. 6 is a schematic partial cross-sectional view of the overall structure of the present invention;
FIG. 7 is a schematic diagram of a blank holder according to the present invention;
FIG. 8 is a schematic diagram of the main structure of the present invention;
fig. 9 is a schematic view of a voice coil structure according to the present invention.
In the figure: 1. a cone; 11. edge pressing; 111. an auxiliary mating ring; 12. a dust cover; 13. an outer convex ring; 14. a main body; 15. an extension ring; 151. a guide ring; 16. a clamping ring; 2. a basin stand; 3. a magnet; 4. t-shaped iron; 5. a voice coil; 51. a support frame; 52. a coil; 53. a top cover; 54. a side plate; 6. and a heat radiating fin.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, a low-thickness direct radiation electrodynamic loudspeaker with a replaceable cone comprises a cone 1, a cone frame 2, a magnet 3 and a T-shaped iron 4, wherein the T-shaped iron 4 is arranged below the magnet 3, the T-shaped iron 4 stretches into the inner side of the magnet 3, the cone frame 2 is arranged above the magnet 3, the cone frame 1 movably connected with the top edge of the cone frame 2 is arranged, the bottom end of the cone 1 is connected with a voice coil 5, the bottom end of the voice coil 5 is connected with the T-shaped iron 4, and the T-shaped iron 4 stretches into the inner side of the voice coil 5; wherein, T shape iron 4 is as the end basis of whole device, install voice coil loudspeaker voice coil 5 and magnet 3 on the T shape iron 4, install basin frame 2 on the magnet 3, install dismantled and assembled cone 1 on the basin frame 2, whole electrodynamic loudspeaker thickness is lower simultaneously its dismantled and assembled cone 1 is convenient for follow-up maintenance and maintenance, wherein install the radiating fin 6 with the axle center in magnet 3's top, radiating fin 6 arranges in the outside of voice coil loudspeaker voice coil 5, radiating fin 6 is the wave, radiating fin 6 not only plays the absorbing effect but also radiating fin 6 can play fine radiating effect.
Referring to fig. 2, fig. 4-8, the cone 1 includes a pressing edge 11, a dust cover 12, a protruding ring 13, a main body 14, an extension ring 15 and a clamping ring 16, the clamping ring 16 is used for guiding and limiting, the clamping ring 16 is installed at the center of the bottom surface of the main body 14, the dust cover 12 is installed at the center of the top surface of the main body 14, the edge of the main body 14 is provided with the protruding ring 13, the outer edge of the protruding ring 13 is provided with the extension ring 15, the extension ring 15 is connected with the bottom surface of the pressing edge 11, the upper surface of the extension ring 15 is provided with a guide ring 151, the bottom surface of the pressing edge 11 is provided with a groove matched with the guide ring 151, the guide ring 151 is provided with an auxiliary installation of the pressing edge 11, so that the bottom surface of the pressing edge 11 can always be in good contact with the extension ring 15 in the screwing process of the pressing edge 11, the outer wall of the pressing edge 11 is provided with a preset abrasive grain, the arrangement of the abrasive grain can be convenient for installing the pressing edge 11, the outer wall of the pressing edge 11 is provided with threads, the pressing edge 11 is movably connected with the basin 2 through a thread fit mode, the clamping ring 53 is provided with the clamping ring 16 and is provided with the clamping ring 16 to be in contact with the inner wall 16, and the chamfer is provided with the chamfer at the position of the inner wall 16.
Referring to fig. 3 and 5, an auxiliary matching ring 111 concentric with the upper surface of the press edge 11 is preset, and uniformly distributed grooves are paved on the surface of the auxiliary matching ring 111, wherein during the assembly process of the press edge 11, the whole press edge 11 is preset to an installation position, and then the press edge 11 can be rotated by pressing the auxiliary matching ring 111 with a plurality of fingers, wherein the friction force is increased by the grooves of the auxiliary matching ring 111, so that the press edge 11 can be well assembled during the screwing and pressing process of the press edge 11.
Referring to fig. 1, 5-9, the voice coil 5 includes a support frame 51, a coil 52, a top cover 53 and a side plate 54, the edge of the top cover 53 is connected with the cone 1 in a contact manner, the top cover 53 is mounted at the top end of the support frame 51 and is movably connected with the top cover, the bottom end of the support frame 51 is fixed on the T-shaped iron 4, the T-shaped iron 4 stretches into the inner side of the support frame 51, a polygonal slot matched with the T-shaped iron 4 is formed in the inner side wall of the support frame 51, the outer wall of the support frame 51 is wound with the coil 52, a uniform side plate 54 is mounted on the outer wall of the support frame 51, the side wall of the side plate 54 is contacted with the inner wall of the magnet 3, the support frame 51 is used as a mounting piece of the coil 52, and the outer wall of the support frame 51 is provided with grooves matched with the coil 52, so that the coil 52 can be stably mounted on the outer wall of the support frame 51, when the voice coil 5 of the speaker works, the coil 52 is not affected by vibration and the temperature rise of the coil 52, and the phenomenon that the coil 52 is displaced or falls off is avoided.
An implementation method of a low-thickness direct radiation electrodynamic loudspeaker with a replaceable cone comprises the following steps:
the first step: firstly, mounting a magnet 3 above a T-shaped iron 4, wherein radiating fins 6 distributed in a ring shape are prefabricated above the magnet 3;
and a second step of: then the voice coil 5 is installed on the inner side of the magnet 3, and the basin frame 2 is fixed at the top edge of the magnet 3, so that the central axes of the magnet 3, the T-shaped iron 4 and the basin frame 2 are kept coincident;
and a third step of: then, the cone 1 is initially positioned, wherein a main body 14 in the cone 1 is moved to the center of a cone frame 2, and then the cone 1 is slowly put down until a clamping ring 16 contacts with the top end of a voice coil 5, and the edge of an extension ring 15 is overlapped with the cone frame 2;
fourth step: then locking the cone 1, wherein the pressing edge 11 is placed above the extension ring 15, then screwing the extension ring 15, connecting the extension ring 15 with the cone frame 2 in a threaded fit manner, and then pressing the auxiliary fit ring 111 with the groove on the top end of the pressing edge 11 by a plurality of fingers and rotating, so that the pressing edge 11 presses the extension ring 15;
fifth step: finally, the cone 1 is replaced, wherein the blank 11 is reversely screwed until the blank 11 is removed, a new cone 1 is replaced after the blank 11 is removed, and then the blank 11 is re-screwed.
This low thickness direct radiation electrodynamic loudspeaker of removable cone, including cone 1, basin frame 2, magnet 3 and T shape iron 4, wherein T shape iron 4 is as the bottom basis of whole device, install voice coil 5 and magnet 3 on the T shape iron 4, install dismantled and assembled cone 1 on the basin frame 2, whole electrodynamic loudspeaker thickness is lower simultaneously its dismantled and assembled cone 1 is convenient for follow-up maintenance and maintenance, cone 1 includes blank 11, dust cover 12, outer convex ring 13, main part 14, extension ring 15 and screens ring 16, screens ring 16 and dust cover 12 are installed respectively to the inside and outside bottom surface of main part 14, the outward flange installation extension ring 15 of outer convex ring 13, the bottom surface of blank 11 is connected to extension ring 15, at the in-process of blank 11 screwing in, the bottom surface of blank 11 can always with the fine contact of extension ring 15, the extension ring 15 stability is better simultaneously, the inner wall edge of screens ring 16 presets the chamfer, screens ring 16 is used for leading and spacing, set up the chamfer can just with its and voice coil 5 in the screens ring 16 inner wall. In the process of assembling the press edge 11, the whole press edge 11 is preset to an installation position, and then the auxiliary matching ring 111 can be pressed by a plurality of fingers to rotate the press edge 11, wherein the grooves of the auxiliary matching ring 111 increase friction, so that the press edge 11 can be well assembled in the process of screwing and pressing the press edge 11. The support frame 51 is used as a mounting piece of the coil 52, and the outer wall of the support frame 51 is provided with grooves matched with the coil 52, so that the coil 52 can be stably mounted on the outer wall of the support frame 51, and the coil 52 is not affected by vibration and temperature rise of the coil 52 when the loudspeaker voice coil 5 works, and the phenomenon that the coil 52 is displaced or falls off is avoided.
In summary, according to the low-thickness direct radiation electric speaker with the replaceable cone provided by the invention, the overall thickness of the speaker is low, meanwhile, the detachable cone 1 is convenient for subsequent overhaul and maintenance, the bottom surface of the pressing edge 11 can be always in good contact with the extension ring 15 in the process of installing the cone 1, the clamping ring 16 is used for guiding and limiting to be in contact with the voice coil 5, in the process of assembling the pressing edge 11, the auxiliary matching ring 111 can be pressed by a plurality of fingers and the pressing edge 11 can be rotated, the grooves of the auxiliary matching ring 111 increase friction force, so that the cone 1 can be well assembled in the process of screwing and pressing the pressing edge 11, the disassembling and assembling convenience is good, the grooves matched with the coil 52 are formed in the outer wall of the supporting frame 51, the phenomenon that the coil 52 is displaced or falls off can be avoided, namely, the cone 1 in the electric speaker is free of extra workpiece operation in disassembly and assembly, the convenience is good, and the coil 52 has good anti-interference capability.
It is noted that 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. Moreover, 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 foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (4)
1. The utility model provides a low thickness direct radiation electrodynamic loudspeaker of removable cone, includes cone (1), basin frame (2), magnet (3) and T shape iron (4), its characterized in that: the T-shaped iron (4) is arranged below the magnet (3), the T-shaped iron (4) stretches into the inner side of the magnet (3), a basin frame (2) is arranged above the magnet (3), a cone (1) movably connected with the basin frame is arranged at the top edge of the basin frame (2), the bottom end of the cone (1) is connected with a voice coil (5), the bottom end of the voice coil (5) is connected with the T-shaped iron (4), the T-shaped iron (4) stretches into the inner side of the voice coil (5), the cone (1) comprises a pressing edge (11), a dust cover (12), a convex ring (13), a main body (14), an extension ring (15) and a clamping ring (16), the clamping ring (16) is arranged at the center of the bottom surface of the main body (14), the edge of the main body (14) is provided with an outer convex ring (13), the outer edge of the convex ring (13) is provided with an extension ring (15), the outer wall of the pressing edge (11) is pre-provided with a guide edge (11) which is matched with the guide edge (151) of the guide ring (151) in a threaded manner, the guide edge (151) is matched with the guide edge (2, the outer wall of blank holder (11) is preset the sand line, voice coil (5) include support frame (51), coil (52), top cover (53) and sideboard (54), the edge of top cover (53) is connected with cone (1) contact, top cover (53) are installed on the top of support frame (51) and rather than swing joint, the bottom mounting of support frame (51) is on T shape iron (4), the outer wall winding coil (52) of support frame (51), the even sideboard (54) are installed to the outer wall of support frame (51), the sideboard (54) the inner wall contact with magnet (3), the outer wall of support frame (51) seted up with coil (52) matched with groove, the outward flange of top cover (53) is connected with screens ring (16) contact, the chamfer has been preset to the inner wall edge of screens ring (16), the inboard that stretches into support frame (51) is equipped with T shape iron (4) complex polygonal groove in the inside wall of support frame (51).
2. The low thickness direct radiating electrodynamic loudspeaker of replaceable paper cone of claim 1, wherein: the upper surface of the blank holder (11) is preset with an auxiliary matching ring (111) coaxial with the blank holder, and the surface of the auxiliary matching ring (111) is paved with uniformly distributed grooves.
3. The low thickness direct radiating electrodynamic loudspeaker of replaceable paper cone of claim 2, wherein: and a radiating fin (6) with the same axis is arranged above the magnet (3), the radiating fin (6) is arranged on the outer side of the voice coil (5), and the radiating fin (6) is wavy.
4. A method of implementing a low thickness direct radiating electrodynamic loudspeaker for a replaceable cone as claimed in claim 3, comprising the steps of:
s1: firstly, a magnet (3) is arranged above a T-shaped iron (4), wherein radiating fins (6) which are annularly distributed are prefabricated above the magnet (3);
s2: then the voice coil (5) is arranged on the inner side of the magnet (3), the basin frame (2) is fixed at the top edge of the magnet (3), and the central axes of the magnet (3), the T-shaped iron (4) and the basin frame (2) are kept to coincide;
s3: then, initial positioning of the cone (1) is carried out, wherein a main body (14) in the cone (1) is moved to the center of the cone frame (2), then the cone (1) is slowly put down until a clamping ring (16) is contacted with the top end of the voice coil (5), and at the moment, the edge of an extension ring (15) is overlapped with the cone frame (2);
s4: then locking the cone (1), wherein the pressing edge (11) is placed above the extension ring (15), then the extension ring (15) is screwed, the extension ring (15) is connected with the cone frame (2) in a threaded fit mode, and then a plurality of fingers are used for pressing the auxiliary fit ring (111) with the groove at the top end of the pressing edge (11) and rotating, so that the pressing edge (11) can press the extension ring (15);
s5: finally, the cone (1) is replaced, wherein the pressing edge (11) is reversely screwed until the pressing edge is removed, the cone (1) is replaced after the pressing edge (11) is removed, and then the pressing edge (11) is screwed again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550261.7A CN114205718B (en) | 2021-12-17 | 2021-12-17 | Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111550261.7A CN114205718B (en) | 2021-12-17 | 2021-12-17 | Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof |
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| Publication Number | Publication Date |
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| CN114205718A CN114205718A (en) | 2022-03-18 |
| CN114205718B true CN114205718B (en) | 2023-10-13 |
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| CN202111550261.7A Active CN114205718B (en) | 2021-12-17 | 2021-12-17 | Low-thickness direct radiation electrodynamic loudspeaker with replaceable cone and method thereof |
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| CN114205718A (en) | 2022-03-18 |
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