CN113285580A - Power adapter capable of suppressing electromagnetic interference - Google Patents
Power adapter capable of suppressing electromagnetic interference Download PDFInfo
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- CN113285580A CN113285580A CN202110642572.XA CN202110642572A CN113285580A CN 113285580 A CN113285580 A CN 113285580A CN 202110642572 A CN202110642572 A CN 202110642572A CN 113285580 A CN113285580 A CN 113285580A
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- fixedly connected
- shell
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- plate
- rotating shaft
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/04—Kinds or types
- B65H75/16—Cans or receptacles, e.g. sliver cans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
- H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Textile Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the technical field of switching power supplies, and particularly relates to a power adapter capable of inhibiting electromagnetic interference, which comprises a shell; a circuit board is fixedly connected to the inner wall of the shell; a shielding layer is fixedly connected to the inner wall of the shell; the top end of the shell is provided with a first groove; a group of heat dissipation holes are formed at the bottom of the first groove; a first cavity is formed in the bottom of the first groove; the first cavity cuts off the heat dissipation hole; the top end of the shell is provided with an annular chute; the annular chute is rotationally connected with the rotating plate; the invention provides a power adapter capable of inhibiting electromagnetic interference, which aims to solve the problems that the power adapter is generally a sealed shell and is used for preventing a circuit in the shell from being damaged by an external environment, but a circuit board generally generates a large amount of heat during working, and when the power adapter works for a long time, the heat accumulated in the shell influences the working of the circuit board and reduces the service life of the circuit board.
Description
Technical Field
The invention belongs to the technical field of switching power supplies, and particularly relates to a power adapter capable of inhibiting electromagnetic interference.
Background
The power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the power adapter is that alternating current input is converted into direct current output.
In the prior art, a power adapter is generally a sealed shell and is used for preventing a circuit in the shell from being damaged by an external environment, but a circuit board generally generates a large amount of heat during working, and when the power adapter works for a long time, the heat accumulated in the shell can influence the working of the circuit board and reduce the service life of the circuit board.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the power adapter is generally a sealed shell and aims to prevent the circuit in the shell from being damaged by the external environment, but the circuit board generally generates a large amount of heat during working, and when the power adapter works for a long time, the heat accumulated in the shell can influence the working of the circuit board and reduce the service life of the circuit board, the invention provides the power adapter capable of inhibiting electromagnetic interference.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a power adapter capable of inhibiting electromagnetic interference, which comprises a shell; a circuit board is fixedly connected to the inner wall of the shell; a shielding layer is fixedly connected to the inner wall of the shell; the top end of the shell is provided with a first groove; a group of heat dissipation holes are formed at the bottom of the first groove; a first cavity is formed in the bottom of the first groove; the first cavity cuts off the heat dissipation hole; the top end of the shell is provided with an annular chute; the annular chute is rotationally connected with the rotating plate; a fixed first rotating shaft is fixedly connected to the bottom end of the center of the rotating plate; the first rotating shaft extends into the first cavity and is fixedly connected with a baffle; a group of first through holes are formed in the baffle; a handle is fixedly connected to the top end of the rotating plate; a clamping component is arranged in the annular chute; the rotating plate is fixed through the clamping assembly; when the power adapter works, the rotating plate is rotated when the power adapter does not work, the rotating plate is rotated to drive the baffle plate to rotate through the first rotating shaft, so that the heat dissipation holes of the first through holes in the baffle plate are in a staggered state, the shell at the moment is in a sealed state, and then the position of the rotating plate at the moment is fixed through the clamping component; at power adapter during operation, rotatory rotor plate lets first through-hole and the louvre of baffle be in the connected state, lets the heat of the circuit board of work can be quick dispel the heat through the louvre, guarantees the work efficiency of circuit board, improves the life of circuit board, and can further restrain electromagnetic interference through the shielding layer.
Preferably, the clamping assembly comprises a second cavity and an inflation unit; the plate body of the rotating plate, which is rotatably connected in the annular chute, is internally provided with a pair of symmetrically distributed second cavities; a first push plate is fixedly connected to the side wall, close to the first groove, in the second cavity through a spring, and the first push plate is connected in the first cavity in a sealing and sliding mode; a clamping block is fixedly connected to the side wall, far away from the first groove, of the first push plate, and penetrates through the first cavity; the annular groove is provided with a pair of first clamping grooves and a pair of second clamping grooves at positions corresponding to the clamping blocks; the pair of first clamping grooves and the pair of second clamping grooves are symmetrical relative to the center point of the annular sliding groove; the first push plate is pushed by the inflation unit; when the adjustable heat dissipation hole is in work, when the communication state of the heat dissipation hole needs to be adjusted, the inflation unit inflates air into the second cavity, the first push plate moves to a position close to the first groove, the clamping block moves into the second cavity, then the rotating plate rotates, when the clamping block of the rotating plate is aligned to the first clamping groove, the inflation of the inflation unit is removed, when the clamping block is clamped into the first clamping groove, the heat dissipation hole is in a closed state; the clamping block of the rotating plate is aligned to the second clamping groove, and when the inflation of the inflation unit is released and the clamping block is clamped into the clamping groove, the radiating hole is communicated with the second clamping groove.
Preferably, the inflation unit comprises a third cavity; a third cavity is formed in the handle; the top end of the third cavity is fixedly connected with a pressure plate through a spring; a first air bag is arranged between the pressing plate and the top end of the third cavity; the bottom end of the pressing plate is fixedly connected with a connecting rod, the bottom end of the connecting rod extends out of the third cavity, and the end part of the connecting rod is fixedly connected with a holding plate; the first air bag is communicated with the first cavity; the during operation, when the position of louvre is adjusted to needs, hold and hold the board, let and hold board rebound, hold the board and remove and drive the clamp plate through the connecting rod and remove, the first gasbag of clamp plate extrusion, the gas of first gasbag passes through in the hose gets into first cavity, promotes first push pedal and removes, lets the screens piece at this moment break away from first screens groove or second screens groove, adjusts the state of louvre.
Preferably, a filter screen is fixedly connected to the bottom of the first groove; a group of cleaning brushes is fixedly connected to the bottom end of the rotating plate; the cleaning brush and the filter screen are mutually contacted; the during operation can filter the impurity in the external environment through the filter screen, prevents when the louvre is in the open mode, and external dust passes through the louvre and gets into in the casing, and rotor plate bottom rigid coupling has a set of brush that cleans, and when adjusting the state of louvre, the rotor plate is rotatory can clean the filter screen through cleaning the brush, guarantees the clean and tidy nature on filter screen surface.
Preferably, a storage box is fixedly connected in the shell; a second rotating shaft is rotatably connected in the containing box; the circuit board is connected with a power line; a through hole is formed in the side wall of the shell, and the through hole is communicated with the containing box; one end of the power line extends out of the through hole and is connected with a plug, the middle end of the power line is fixedly connected to the second rotating shaft, and the power line is wound on the second rotating shaft; the second rotating shaft and the first rotating shaft are mutually driven through a driving assembly; a sponge layer is fixedly connected in the through hole; when the power adapter works, when the power adapter is needed to be used, the holding plate is held tightly, the clamping block is separated from the first clamping groove, then the rotating plate is rotated, the rotating plate is driven to rotate through transmission on the first rotating shaft and the second rotating shaft, the second rotating shaft is driven to rotate, the power line on the second rotating shaft is loosened through rotation of the second rotating shaft, then the power line is directly pulled out through the plug, when the pulled-out length is enough, the clamping block on the rotating plate is clamped into the second clamping groove, and the heat dissipation hole on the power adapter is in an open state; after the power adapter works, the holding plate is held tightly, the clamping block is separated from the clamping groove, the rotating plate is reversed, the second rotating shaft is driven to rotate through the transmission assembly, a power line in the outside is stored, the clamping block is clamped into the first clamping groove after the storage is finished, and the heat dissipation hole is closed; and because the middle end of the power cord is fixedly connected to the second rotating shaft, when the power cord is loosened, one part of the power cord is pulled out of the containing box, and the other part of the power cord is loosened in the containing box, so that the connection state of the power cord and the circuit board cannot be influenced.
Preferably, the transmission assembly comprises a first pulley and a second pulley; the bottom end of the first rotating shaft extends into the shell and is fixedly connected with a first belt wheel; the second rotating shaft extends out of the containing box and is fixedly connected with a second belt wheel; the first belt wheel and the second belt wheel are driven by a transmission belt; during operation, first axis of rotation can drive first band pulley and rotate, can drive the second band pulley through the drive belt and rotate when first band pulley rotates, and the second band pulley rotates and can drive the rotation of second axis of rotation, and then accomodates and loosen the power cord.
The invention has the following beneficial effects:
1. according to the power adapter capable of inhibiting electromagnetic interference, the radiating holes are formed in the shell, when the power adapter does not work, the rotating plate is rotated, the rotating plate can drive the baffle to rotate through the first rotating shaft, the radiating holes of the first through holes in the baffle are in a staggered state, the shell is in a sealed state at the moment, and then the position of the rotating plate at the moment is fixed through the clamping assembly; at power adapter during operation, rotatory rotor plate lets first through-hole and the louvre of baffle be in the intercommunication state, lets the heat of the circuit board of work can be quick dispel the heat through the louvre, guarantees the work efficiency of circuit board, improves the life of circuit board.
2. According to the power adapter capable of inhibiting electromagnetic interference, the transmission assembly drives the second rotating shaft in the storage box to rotate, so that the power line is stored, and the power line is prevented from being trampled and damaged in the external environment.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an enlarged view of area B of FIG. 2;
FIG. 4 is a top view of the present invention;
FIG. 5 is an enlarged view of area C of FIG. 4;
FIG. 6 is a perspective view of the baffle;
FIG. 7 is a front view of the housing;
in the figure: 1. a housing; 11. a shielding layer; 12. a circuit board; 13. a first groove; 14. heat dissipation holes; 15. a first cavity; 16. a baffle plate; 17. a first through hole; 18. an annular chute; 19. a rotating plate; 191. a first rotating shaft; 192. a handle; 2. a first clamping groove; 21. a second clamping groove; 22. a second cavity; 23. a first push plate; 24. a bit block; 25. a third cavity; 26. holding the plate; 27. pressing a plate; 28. a first air bag; 3. a filter screen; 31. cleaning a brush; 4. a storage box; 41. a second rotating shaft; 42. a power line; 43. a plug; 44. a sponge layer; 5. a first pulley; 51. a transmission belt; 52. a second pulley; 6. a shock-absorbing pad.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 6, the power adapter capable of suppressing electromagnetic interference according to the present invention includes a housing 1; a circuit board 12 is fixedly connected to the inner wall of the shell 1; a shielding layer 11 is fixedly connected to the inner wall of the shell 1; the top end of the shell 1 is provided with a first groove 13; a group of heat dissipation holes 14 are formed at the bottom of the first groove 13; a first cavity 15 is formed in the bottom of the first groove 13; the first cavity 15 cuts off the heat dissipation hole 14; the top end of the shell 1 is provided with an annular chute 18; the annular chute 18 is rotatably connected with a rotating plate 19; a fixed first rotating shaft 191 is fixedly connected to the bottom end of the center of the rotating plate 19; the first rotating shaft 191 extends into the first cavity 15 and is fixedly connected with a baffle 16; a group of first through holes 17 are formed in the baffle 16; a handle 192 is fixedly connected to the top end of the rotating plate 19; a clamping component is arranged in the annular chute 18; the rotating plate 19 is fixed through a clamping component; when the power adapter works, in the prior art, the power adapter is generally a sealed shell, which is to prevent the external environment from damaging the circuit in the shell 1, but the circuit board 12 generally generates a large amount of heat during working, when the power adapter works for a long time, the heat gathered in the shell 1 can influence the work of the circuit board 12, and the service life of the circuit board 12 is reduced, therefore, when the power adapter works, the heat dissipation hole 14 is formed in the shell 1, when the power adapter does not work, the rotating plate 19 is rotated, the rotating plate 19 rotates to drive the baffle 16 to rotate through the first rotating shaft 191, the heat dissipation hole 14 of the first through hole 17 in the baffle 16 is in a dislocation state, the shell 1 at the moment is in a sealed state, and then the position of the rotating plate 19 at the moment is fixed through the clamping component; when the power adapter works, the rotating plate 19 is rotated, the first through hole 17 and the heat dissipation holes 14 of the baffle 16 are in a communicated state, heat of the working circuit board 12 can be quickly dissipated through the heat dissipation holes 14, the working efficiency of the circuit board 12 is guaranteed, the service life of the circuit board 12 is prolonged, and electromagnetic interference can be further inhibited through the shielding layer 11.
The clamping assembly comprises a second cavity 22 and an inflation unit; the rotating plate 19 is rotatably connected with a plate body in the annular chute 18, and a pair of symmetrically distributed second cavities 22 are formed in the plate body; a first push plate 23 is fixedly connected to the side wall of the second cavity 22 close to the first groove 13 through a spring, and the first push plate 23 is connected in the first cavity 15 in a sealing and sliding manner; a clamping block 24 is fixedly connected to the side wall of the first push plate 23 far away from the first groove 13, and the clamping block 24 penetrates through the first cavity 15; a pair of first clamping grooves 2 and a pair of second clamping grooves 21 are formed in the annular groove at positions corresponding to the clamping blocks 24; the pair of first detent grooves 2 and the pair of second detent grooves 21 are point-symmetric with respect to the center of the annular slide groove 18; the first push plate 23 is pushed by the inflation unit; when the heat dissipation hole adjusting device works, when the communication state of the heat dissipation hole 14 needs to be adjusted, the air is filled into the second cavity 22 through the air filling unit, the first push plate 23 is made to move to the position close to the first groove 13, the clamping block 24 is made to move into the second cavity 22, then the rotating plate 19 is rotated, the air filling of the air filling unit is removed when the clamping block 24 of the rotating plate 19 is aligned to the first clamping groove 2, and the heat dissipation hole 14 is in a closed state when the clamping block 24 is clamped into the first clamping groove 2; the clamping block 24 of the rotating plate 19 is aligned with the second clamping groove 21, and when the inflation of the inflation unit is released and the clamping block 24 is clamped into the clamping groove, the heat dissipation hole 14 is in a communicated state.
The inflatable cell comprises a third cavity 25; a third cavity 25 is formed in the handle 192; the top end of the third cavity 25 is fixedly connected with a pressure plate 27 through a spring; a first air bag 28 is arranged between the pressure plate 27 and the top end of the third cavity 25; the bottom end of the pressing plate 27 is fixedly connected with a connecting rod, the bottom end of the connecting rod extends out of the third cavity 25, and the end part of the connecting rod is fixedly connected with a holding plate 26; the first air bag 28 and the first cavity 15 are communicated with each other; the during operation, when the position of louvre 14 is adjusted to needs, hold and hold board 26, let and hold board 26 and upwards remove, hold board 26 and remove and drive clamp plate 27 through the connecting rod and remove, clamp plate 27 extrudes first gasbag 28, the gas of first gasbag 28 passes through in the hose gets into first cavity 15, promotes first push pedal 23 and removes, lets screens piece 24 at this moment break away from first screens groove 2 or second screens groove 21, adjusts the state of louvre 14.
A filter screen 3 is fixedly connected to the bottom of the first groove 13; a group of cleaning brushes 31 are fixedly connected to the bottom end of the rotating plate 19; the cleaning brush 31 and the filter screen 3 are contacted with each other; during operation, can filter the impurity in the external environment through filter screen 3, prevent when louvre 14 is in the open mode, in external dust gets into casing 1 through louvre 14, and 19 bottom rigid couplings of rotor plate have a set of brush 31 that cleans, when adjusting the state of louvre 14, rotor plate 19 is rotatory can clean filter screen 3 through cleaning brush 31, guarantees the clean and tidy nature on filter screen 3 surface.
A containing box 4 is fixedly connected in the shell 1; a second rotating shaft 41 is rotatably connected in the containing box 4; the circuit board 12 is connected with a power line 42; a through hole is formed in the side wall of the shell 1, and the through hole is communicated with the containing box 4; one end of the power line 42 extends out through the through hole and is connected with a plug 43, the middle end of the power line 42 is fixedly connected to the second rotating shaft 41, and the power line 42 is wound on the second rotating shaft 41; the second rotating shaft 41 and the first rotating shaft 191 are mutually driven through a driving component; a sponge layer 44 is fixedly connected in the through hole; when the power adapter works, when the power adapter needs to be used, the holding plate 26 is held tightly, the clamping block 24 is separated from the first clamping groove 2, then the rotating plate 19 is rotated, the rotating plate 19 rotates through the first rotating shaft 191 and the transmission belt 51 on the second rotating shaft 41 to drive the second rotating shaft 41 to rotate, the second rotating shaft 41 rotates to loosen the power line 42 on the second rotating shaft 41, then the power line 42 is directly pulled out through the plug 43, when the pulled-out length is enough, the clamping block 24 on the rotating plate 19 is clamped into the second clamping groove 21, and the heat dissipation hole 14 on the power adapter is in an open state; after the power adapter works, the holding plate 26 is held tightly to enable the clamping block 24 to be separated from the clamping groove, the rotating plate 19 is inverted, the second rotating shaft 41 is driven to rotate through the transmission assembly to store the power line 42 in the outside, and after the storage is finished, the clamping block 24 is clamped into the first clamping groove 2 to enable the heat dissipation hole 14 at the moment to be in a closed state; and because the middle end of the power cord 42 is fixed on the second rotating shaft 41, when the power cord 42 is loosened, a part of the power cord is pulled out of the containing box 4, and the other part of the power cord is loosened in the containing box 4, which will not affect the connection state of the power cord 42 and the circuit board 12.
The transmission assembly comprises a first pulley 5 and a second pulley 52; the bottom end of the first rotating shaft 191 extends into the shell 1 and is fixedly connected with a first belt pulley 5; the second rotating shaft 41 extends out of the storage box 4 and is fixedly connected with a second belt wheel 52; the first belt wheel 5 and the second belt wheel 52 are driven by a transmission belt 51; during operation, first axis of rotation 191 rotates and can drive first band pulley 5 and rotate, and first band pulley 5 can drive second band pulley 52 through drive belt 51 and rotate when rotating, and second band pulley 52 rotates and can drive second axis of rotation 41 and rotate, and then accomodate and loosen power cord 42.
Example two
Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a set of shock absorbing pads 6 is fixed to a bottom end of the housing 1; during operation, the shock pad 6 is fixedly connected to the bottom end of the shell 1, and the working stability of the power adapter can be further guaranteed.
The working principle is as follows: the heat dissipation holes 14 are formed in the shell 1, when the power adapter does not work, the rotating plate 19 is rotated at the moment, the rotating plate 19 rotates to drive the baffle 16 to rotate through the first rotating shaft 191, the heat dissipation holes 14 of the first through holes 17 in the baffle 16 are in a staggered state, the shell 1 is in a sealed state at the moment, and the clamping blocks 24 on the rotating plate 19 are clamped into the first clamping grooves 2 at the moment; when the power adapter works, the rotating plate 19 is rotated, the clamping block 24 is clamped into the second clamping groove 21, the first through hole 17 and the heat dissipation hole 14 of the baffle 16 are in a communicated state, heat of the working circuit board 12 can be quickly dissipated through the heat dissipation hole 14, the working efficiency of the circuit board 12 is guaranteed, and the service life of the circuit board 12 is prolonged; when the position of the heat dissipation hole 14 needs to be adjusted, the holding plate 26 is held by a hand, the holding plate 26 moves upwards, the holding plate 26 moves to drive the pressing plate 27 to move through the connecting rod, the pressing plate 27 extrudes the first air bag 28, air in the first air bag 28 enters the first cavity 15 through the hose, the first pushing plate 23 is pushed to move, the clamping block 24 at the moment is separated from the first clamping groove 2 or the second clamping groove 21, and the state of the heat dissipation hole 14 is adjusted; when the power adapter is needed to be used, the holding plate 26 is gripped, the clamping block 24 is separated from the first clamping groove 2, then the rotating plate 19 is rotated, the rotating plate 19 rotates through the first rotating shaft 191 and the transmission belt 51 on the second rotating shaft 41 to drive the second rotating shaft 41 to rotate, the second rotating shaft 41 rotates to loosen the power cord 42 on the second rotating shaft 41, then the power cord 42 is directly pulled out through the plug 43, when the pulled-out length is enough, the clamping block 24 on the rotating plate 19 is clamped into the second clamping groove 21, and the heat dissipation hole 14 on the power adapter is in an open state; after the power adapter works, the holding plate 26 is held tightly to enable the clamping block 24 to be separated from the clamping groove, the rotating plate 19 is inverted, the second rotating shaft 41 is driven to rotate through the transmission assembly to store the power line 42 in the outside, and after the storage is finished, the clamping block 24 is clamped into the first clamping groove 2 to enable the heat dissipation hole 14 at the moment to be in a closed state; and because the middle end of the power cord 42 is fixed on the second rotating shaft 41, when the power cord 42 is loosened, a part of the power cord is pulled out of the containing box 4, and the other part of the power cord is loosened in the containing box 4, which will not affect the connection state of the power cord 42 and the circuit board 12.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A power adapter capable of suppressing electromagnetic interference, characterized in that: comprises a shell (1); a circuit board (12) is fixedly connected to the inner wall of the shell (1); a shielding layer (11) is fixedly connected to the inner wall of the shell (1); a first groove (13) is formed in the top end of the shell (1); a group of heat dissipation holes (14) are formed in the bottom of the first groove (13); a first cavity (15) is formed in the bottom of the first groove (13); the first cavity (15) cuts off the heat dissipation hole (14); the top end of the shell (1) is provided with an annular sliding chute (18); the annular chute (18) is rotationally connected with a rotating plate (19); a fixed first rotating shaft (191) is fixedly connected to the bottom end of the center of the rotating plate (19); the first rotating shaft (191) extends into the first cavity (15) and is fixedly connected with a baffle (16); a group of first through holes (17) are formed in the baffle (16); a handle (192) is fixedly connected to the top end of the rotating plate (19); a clamping component is arranged in the annular chute (18); the rotating plate (19) is fixed through a clamping component.
2. The power adapter capable of suppressing electromagnetic interference according to claim 1, wherein: the clamping assembly comprises a second cavity (22) and an inflation unit; the rotating plate (19) is rotatably connected with a plate body in the annular chute (18), and a pair of symmetrically distributed second cavities (22) is formed in the plate body; a first push plate (23) is fixedly connected to the side wall, close to the first groove (13), in the second cavity (22) through a spring, and the first push plate (23) is connected in the first cavity (15) in a sealing and sliding mode; a clamping block (24) is fixedly connected to the side wall, away from the first groove (13), of the first push plate (23), and the clamping block (24) penetrates through the first cavity (15); a pair of first clamping grooves (2) and a pair of second clamping grooves (21) are formed in the annular groove at positions corresponding to the clamping blocks (24); the pair of first clamping grooves (2) and the pair of second clamping grooves (21) are symmetrical relative to the center point of the annular sliding groove (18); the first push plate (23) is pushed by the inflation unit.
3. The power adapter capable of suppressing electromagnetic interference according to claim 2, wherein: the inflatable unit comprises a third cavity (25); a third cavity (25) is formed in the handle (192); the top end of the third cavity (25) is fixedly connected with a pressure plate (27) through a spring; a first air bag (28) is arranged between the pressure plate (27) and the top end of the third cavity (25); the bottom end of the pressure plate (27) is fixedly connected with a connecting rod, the bottom end of the connecting rod extends out of the third cavity (25), and the end part of the connecting rod is fixedly connected with a holding plate (26); the first balloon (28) and the first cavity (15) are in communication with each other.
4. A power adapter capable of suppressing electromagnetic interference according to claim 3, wherein: a filter screen (3) is fixedly connected to the bottom of the first groove (13); a group of cleaning brushes (31) is fixedly connected with the bottom end of the rotating plate (19); the cleaning brush (31) and the filter screen (3) are contacted with each other.
5. The power adapter capable of suppressing electromagnetic interference according to claim 4, wherein: a containing box (4) is fixedly connected in the shell (1); a second rotating shaft (41) is rotatably connected in the containing box (4); the circuit board (12) is connected with a power line (42); a through hole is formed in the side wall of the shell (1), and the through hole is communicated with the containing box (4); one end of the power line (42) extends out through the through hole and is connected with a plug (43), the middle end of the power line (42) is fixedly connected to the second rotating shaft (41), and the power line (42) is wound on the second rotating shaft (41); the second rotating shaft (41) and the first rotating shaft (191) are mutually driven through a driving component; a sponge layer (44) is fixedly connected in the through hole.
6. The power adapter capable of suppressing electromagnetic interference according to claim 5, wherein: the transmission assembly comprises a first pulley (5) and a second pulley (52); the bottom end of the first rotating shaft (191) extends into the shell (1) and is fixedly connected with a first pulley (5); the second rotating shaft (41) extends out of the containing box (4) and is fixedly connected with a second belt wheel (52); the first belt wheel (5) and the second belt wheel (52) are driven by a driving belt (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642572.XA CN113285580B (en) | 2021-06-09 | 2021-06-09 | Power adapter capable of suppressing electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642572.XA CN113285580B (en) | 2021-06-09 | 2021-06-09 | Power adapter capable of suppressing electromagnetic interference |
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| Publication Number | Publication Date |
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| CN113285580A true CN113285580A (en) | 2021-08-20 |
| CN113285580B CN113285580B (en) | 2022-07-22 |
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| CN202110642572.XA Expired - Fee Related CN113285580B (en) | 2021-06-09 | 2021-06-09 | Power adapter capable of suppressing electromagnetic interference |
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| US20030045163A1 (en) * | 2001-08-31 | 2003-03-06 | Wen-Hsuan Lee | Power supply apparatus with power cord securing device |
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| CN207925405U (en) * | 2018-03-29 | 2018-09-28 | 南京铁道职业技术学院 | Automatically control electric appliance |
| CN208489792U (en) * | 2018-08-23 | 2019-02-12 | 深圳市爵科电子有限公司 | A kind of rotary power adapter |
| CN109347305A (en) * | 2018-09-30 | 2019-02-15 | 江苏宏胜达电子科技有限公司 | A kind of power supply adaptor with storage device |
| CN209119465U (en) * | 2019-01-07 | 2019-07-16 | 江西信瀚新能源科技有限公司 | A kind of power supply adaptor |
| CN213399409U (en) * | 2020-10-20 | 2021-06-08 | 高攀峰 | Mainframe box convenient to installation for official working |
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2021
- 2021-06-09 CN CN202110642572.XA patent/CN113285580B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030045163A1 (en) * | 2001-08-31 | 2003-03-06 | Wen-Hsuan Lee | Power supply apparatus with power cord securing device |
| CN102780405A (en) * | 2012-08-15 | 2012-11-14 | 陈才华 | Power adapter capable of suppressing electromagnetic interference |
| CN207925405U (en) * | 2018-03-29 | 2018-09-28 | 南京铁道职业技术学院 | Automatically control electric appliance |
| CN208489792U (en) * | 2018-08-23 | 2019-02-12 | 深圳市爵科电子有限公司 | A kind of rotary power adapter |
| CN109347305A (en) * | 2018-09-30 | 2019-02-15 | 江苏宏胜达电子科技有限公司 | A kind of power supply adaptor with storage device |
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| CN213399409U (en) * | 2020-10-20 | 2021-06-08 | 高攀峰 | Mainframe box convenient to installation for official working |
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| CN113285580B (en) | 2022-07-22 |
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