CN115549492A - AC-DC converter with wide input range - Google Patents
AC-DC converter with wide input range Download PDFInfo
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- CN115549492A CN115549492A CN202211244523.1A CN202211244523A CN115549492A CN 115549492 A CN115549492 A CN 115549492A CN 202211244523 A CN202211244523 A CN 202211244523A CN 115549492 A CN115549492 A CN 115549492A
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- shell
- fixedly connected
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- input range
- converter
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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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
- 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
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention discloses an alternating current-direct current converter with a wide input range, and relates to the technical field of power electronics. This wide input range alternating current-direct current converter includes the shell, the bottom of shell is provided with strutting arrangement, the inlet port has been seted up to the side of shell, the side fixedly connected with fan of shell, the shell is kept away from one side of inlet port and has been seted up the exhaust hole, the louvre has been seted up at the top of shell, fixedly connected with heat abstractor is located in the middle of the shell upper surface, the last fixed surface of shell is connected with dust keeper, strutting arrangement includes the bending plate, the surface sliding connection of bending plate is in the inside of shell, the bottom fixedly connected with bottom plate of bending plate, fixedly connected with stabilizing mean is located in the middle of the bottom plate upper surface, has improved the radiating effect greatly, has prolonged the life of internals, has also reduced the range of rocking of shell, has avoided internals to cause the damage because of great rocking.
Description
Technical Field
The invention relates to the technical field of power electronics, in particular to an alternating current-direct current converter with a wide input range.
Background
The alternating current-direct current conversion method comprises a thermoelectric conversion method, an electric system, an electrostatic system, an electronic system and the like, the thermoelectric conversion method is still an alternating current-direct current conversion method with small error, high sensitivity and good stability, in order to improve conversion precision, people carry out meaningful work on the aspects of improving the performance (speed and digit) of a digital-to-analog converter, improving a sampling strategy, a data processing method and the like, a set of portable mobile alternating current-direct current test power supply is needed for daily maintenance of a direct current system, regular inspection and test of a protection device, verification of various on-site relays and the like, and the purposes of testing, verifying, simulating on-site actual conditions and the like are achieved. The heat dissipation method of the traditional converter is that the heat dissipation holes are formed in the shell of the equipment, although part of heat can be leaked out, the heat dissipation efficiency is low, the heat dissipation method is single, the heat dissipation holes are easy to fall into dust to enter the equipment, and normal work of the equipment is affected.
Disclosure of Invention
In order to realize the purpose, the invention is realized by the following technical scheme: a wide input range alternating current-direct current converter comprises a shell, wherein a supporting device is arranged at the bottom of the shell, a control knob is fixedly connected to the side edge of the front face of the shell, an on-off key and an indicator lamp are fixedly connected to the front face of the shell, the indicator lamp is arranged right below the on-off key, a jack is arranged in the middle of the front face of the shell, an air inlet hole is formed in the side face of the shell, a fan is fixedly connected to the side face of the shell, an air outlet hole is formed in one side, away from the air inlet hole, of the shell, a heat dissipation hole is formed in the top of the shell, a heat dissipation device is fixedly connected to the middle of the upper surface of the shell, and a dustproof device is fixedly connected to the upper surface of the shell;
the supporting device comprises a bending plate, the outer surface of the bending plate is connected to the inside of the shell in a sliding mode, the bottom of the bending plate is fixedly connected with a bottom plate, the bottom plate is arranged on the outer side of the shell, and a stabilizing mechanism is fixedly connected to the middle of the upper surface of the bottom plate.
Preferably, the middle of the inner surface of the shell is fixedly connected with a cooling pipe, the inner surface of the shell is fixedly connected with a placing plate, the placing plate is arranged right below the cooling pipe, and the lower surface of the placing plate is uniformly and fixedly connected with a heat transfer plate.
Preferably, the inside fixedly connected with heat conduction pole of heat transfer plate, the both sides fixedly connected with heating panel of shell, the surface of heat conduction pole runs through the shell and extends to the surface of heating panel, equipment component installs the upper surface at placing the board, internal element constantly produces the heat along with the operation of equipment, the cooling tube is inside to be provided with the coolant liquid, a part of heat is absorbed by the cooling tube, a part of heat is in placing the board and conveying to the heat transfer plate, on heat conduction pole conveys the heating panel again, the heating panel is big with external area of contact, the heat is through solid transmission external world, under the heat transfer cooperation of solid and liquid, the radiating effect has been improved greatly, the life of internal element has been prolonged.
Preferably, the upper surface of bottom plate fixedly connected with gasbag, the gasbag symmetry sets up in stabilizing mean's both sides, the top fixed connection of gasbag is at the lower surface of shell, the gasbag sets up the inner chamber at the bent plate.
Preferably, the stabilizing mean includes the cylindricality cover shell, the bottom fixed connection of cylindricality cover shell is in the middle of bottom plate upper surface department, the both sides fixedly connected with side pipe chute of cylindricality cover shell, the inside of side pipe chute is linked together with the inside of cylindricality cover shell, the inside cover of cylindricality cover shell is equipped with the activity stopper, the surface of activity stopper runs through the top of cylindricality cover shell.
Preferably, the inside sliding connection of side pipe chute has the removal post, the tip fixedly connected with bull stick of removal post, the inside rotation of bull stick is connected with the fixed block, the bottom fixed connection of fixed block is at the upper surface of bottom plate, when equipment receives the external world and rocks, shell and bending plate relative slip, the bull stick receives the extrusion of shell and rotates downwards, it slides to drive the removal post, be provided with liquid in the cylindricality cover shell, because cylindricality cover shell and side pipe chute nest of tubes become a linker, according to the linker principle, the removal post extrusion liquid of both sides for the movable plug upwards moves under the extrusion of liquid, push up the shell, and under the elastic cooperation of gasbag, the range of rocking of shell has been reduced, avoided the internal element to cause the damage because of great rocking.
Preferably, the heat dissipation device comprises a peripheral casing, the bottom of the peripheral casing is fixedly connected to the middle of the upper surface of the outer shell, the inner surface of the peripheral casing is fixedly connected with a limiting long block, and a fixing rod is fixedly connected to the inner part of the limiting long block.
Preferably, the bottom fixed connection of dead lever is at the upper surface of shell, the surface sliding connection of dead lever has special-shaped baffle, the surface cover of dead lever is equipped with the spring, special-shaped baffle sets up directly over the spring, the bottom fixed connection of spring is at the upper surface of shell, the operation fan, the inside gas pressure increase of shell for special-shaped baffle moves down, the spring is compressed, the space after partly heat moves down along special-shaped baffle conveys to the external world through the through-hole on the peripheral hardware cover shell, make the radiating effect better, after closing the fan, the gaseous pressure resumes in the equipment, the spring resumes deformation and makes special-shaped baffle plug up the through-hole at peripheral hardware cover shell top, avoid the dust in the air to fall into the inside life-span that influences equipment element of equipment.
Preferably, the dustproof device comprises a bent plate, the bottom of the bent plate is fixedly connected to the upper surface of the shell, the arc-shaped baffle plate is fixedly connected to the top of the bent plate, a dust collecting groove is formed in the side of the lower surface of the arc-shaped baffle plate in a sliding connection mode, when the device is placed for a long time, dust falls on the surface of the arc-shaped baffle plate, the arc-shaped baffle plate is pressed downwards manually, due to the fact that the arc-shaped baffle plate has elasticity, the dust on the surface of the arc-shaped baffle plate is shaken off to the dust collecting grooves in the two sides, the dust collecting groove is taken out through manual sliding, the dust can be poured out, the dust can be accumulated conveniently and continuously next time, and cleaning time is saved.
The invention provides an alternating current-direct current converter with a wide input range. The method has the following beneficial effects:
1. this wide input range alternating current-direct current converter, through the cooling tube, place the board, the heat transfer plate, cooperation between heat conduction pole and the heating panel, equipment element installs the upper surface at placing the board, constantly produce the heat along with the operation internal component of equipment, the cooling tube is inside to be provided with the coolant liquid, some heat is absorbed by the cooling tube, some heat is through placing in the board conveys the heat transfer plate, pass through on the heat conduction pole conveys the heating panel again, the heating panel is big with external area of contact, the heat is through solid transmission to the external world, under the heat transfer cooperation of solid and liquid, the radiating effect has been improved greatly, the life of internal component has been prolonged.
2. This wide input range alternating current-direct current converter, through strutting arrangement and stabilizing mean, when equipment received the external world and rocked, shell and bending plate relative slip, the bull stick receives the extrusion of shell and rotates downwards, it slides to drive the removal post, be provided with liquid in the cylindricality cover shell, because cylindricality cover shell and the synthetic linker of incline oblique tube, according to the linker principle, the removal post extrusion liquid of both sides, make the movable plug at rebound under the extrusion of liquid, push up the shell, and under gasbag elastic cooperation, the range of rocking of shell has been reduced, the internal element has been avoided causing the damage because of great rocking.
3. This wide input range alternating current-direct current converter, through fan and heat abstractor, the operation fan, the inside gas pressure increase of shell for special-shaped baffle moves down, the spring is compressed, the space after partly heat moves down along special-shaped baffle conveys the external world through the through-hole on the peripheral hardware cover shell, make the radiating effect better, after closing the fan, the gas pressure resumes in the equipment, the spring resumes deformation and makes special-shaped baffle plug up the through-hole at peripheral hardware cover shell top, avoid the dust in the air to fall into the inside life-span that influences equipment component of equipment.
4. This wide input range alternating current-direct current converter, through dust keeper, when equipment was placed for a long time, the dust fell on the arc baffle surface, and the manual work pushes down cowl because cowl has elasticity, and the dust on arc baffle surface is shaken off the dust collecting tank of both sides in, and the manual work slides and takes out the dust collecting tank, can pour the dust, and the next time of being convenient for continues to accumulate the dust, has saved the clearance time.
Drawings
FIG. 1 is a schematic diagram of a wide input range AC/DC converter according to the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a portion of the present invention;
FIG. 4 is a schematic cross-sectional view of the supporting device of the present invention;
FIG. 5 is a schematic cross-sectional view of a stabilizing mechanism of the present invention;
FIG. 6 is a schematic side sectional view of the heat dissipating device of the present invention;
FIG. 7 is a schematic cross-sectional view of the dustproof device of the present invention.
In the figure: 1. a housing; 2. a control knob; 3. a support device; 31. a base plate; 32. a bending plate; 33. an air bag; 34. a stabilizing mechanism; 341. a cylindrical casing; 342. a lateral inclined tube; 343. moving the column; 344. a fixed block; 345. a rotating rod; 346. a movable plug; 4. a jack; 5. an on-off key; 6. an indicator light; 7. a dust-proof device; 71. bending the plate; 72. an arc-shaped baffle plate; 73. a dust collecting groove; 8. a heat sink; 81. a peripheral housing; 82. a special-shaped baffle plate; 83. a spring; 84. fixing the rod; 85. a limiting long block; 9. an air intake; 10. a fan; 11. an exhaust hole; 12. heat dissipation holes; 13. a cooling tube; 14. placing the plate; 15. a heat transfer plate; 16. a heat conducting rod; 17. a heat sink.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
As shown in fig. 1 to 3, the present invention provides a technical solution: a wide input range AC-DC converter comprises a shell 1, wherein a supporting device 3 is arranged at the bottom of the shell 1, a control knob 2 is fixedly connected to the side of the front of the shell 1, an on-off key 5 and an indicator lamp 6 are fixedly connected to the front of the shell 1, the indicator lamp 6 is arranged under the on-off key 5, a jack 4 is arranged in the middle of the front of the shell 1, an air inlet 9 is arranged on the side of the shell 1, a fan 10 is fixedly connected to the side of the shell 1, an exhaust hole 11 is arranged on one side of the shell 1 away from the air inlet 9, a heat dissipation hole 12 is arranged at the top of the shell 1, a heat dissipation device 8 is fixedly connected to the middle of the upper surface of the shell 1, and a dustproof device 7 is fixedly connected to the upper surface of the shell 1;
the supporting device 3 comprises a bending plate 32, the outer surface of the bending plate 32 is slidably connected inside the housing 1, the bottom of the bending plate 32 is fixedly connected with a bottom plate 31, the bottom plate 31 is arranged outside the housing 1, and a stabilizing mechanism 34 is fixedly connected in the middle of the upper surface of the bottom plate 31.
The middle of the inner surface of the shell 1 is fixedly connected with a cooling pipe 13, the inner surface of the shell 1 is fixedly connected with a placing plate 14, the placing plate 14 is arranged right below the cooling pipe 13, and the lower surface of the placing plate 14 is uniformly and fixedly connected with a heat transfer plate 15.
A heat conducting rod 16 is fixedly connected to the inside of the heat conducting plate 15, heat dissipating plates 17 are fixedly connected to both sides of the housing 1, and the outer surface of the heat conducting rod 16 penetrates the housing 1 and extends to the outer surface of the heat dissipating plates 17.
During the use, through cooling tube 13, place board 14, heat transfer plate 15, the cooperation between heat conduction pole 16 and the heating panel 17, the equipment component is installed and is being placed the upper surface of board 14, internal component constantly produces the heat along with the operation of equipment, the inside coolant liquid that is provided with of cooling tube 13, some heat is absorbed by cooling tube 13, some heat conveys in heat transfer plate 15 through placing board 14, convey on heating panel 17 through heat conduction pole 16 again, heating panel 17 is big with external area of contact, the heat is through solid transmission to the external world, under the heat transfer cooperation of solid and liquid, the radiating effect has been improved greatly, the life of internal component has been prolonged.
Example 2
As shown in fig. 4-6, the air bags 33 are fixedly connected to the upper surface of the bottom plate 31, the air bags 33 are symmetrically arranged on both sides of the stabilizing mechanism 34, the top of the air bags 33 are fixedly connected to the lower surface of the housing 1, and the air bags 33 are arranged in the inner cavity of the bending plate 32.
The stabilizing mechanism 34 includes a cylindrical housing 341, the bottom of the cylindrical housing 341 is fixedly connected to the middle of the upper surface of the bottom plate 31, side inclined tubes 342 are fixedly connected to both sides of the cylindrical housing 341, the inside of the side inclined tubes 342 is communicated with the inside of the cylindrical housing 341, a movable plug 346 is sleeved inside the cylindrical housing 341, and the outer surface of the movable plug 346 penetrates through the top of the cylindrical housing 341.
A moving column 343 is slidably connected inside the inclined tube 342, an end of the moving column 343 is fixedly connected with a rotating rod 345, a fixing block 344 is rotatably connected inside the rotating rod 345, and the bottom of the fixing block 344 is fixedly connected to the upper surface of the bottom plate 31.
The heat dissipation device 8 comprises a peripheral casing 81, the bottom of the peripheral casing 81 is fixedly connected to the middle of the upper surface of the housing 1, a limiting long block 85 is fixedly connected to the inner surface of the peripheral casing 81, and a fixing rod 84 is fixedly connected to the inner part of the limiting long block 85.
The bottom end of the fixing rod 84 is fixedly connected to the upper surface of the shell 1, the outer surface of the fixing rod 84 is connected with the special-shaped baffle 82 in a sliding mode, the outer surface of the fixing rod 84 is sleeved with a spring 83, the special-shaped baffle 82 is arranged right above the spring 83, and the bottom end of the spring 83 is fixedly connected to the upper surface of the shell 1.
When the device is used, through the supporting device 3 and the stabilizing mechanism 34, when the device is shaken by the outside, the outer shell 1 and the bending plate 32 slide relatively, the rotating rod 345 rotates downwards under the extrusion of the outer shell 1 to drive the moving column 343 to slide, liquid is arranged in the cylindrical sleeve 341, as the cylindrical sleeve 341 and the side inclined tube 342 form a communicating vessel, the moving column 343 at two sides extrudes the liquid according to the principle of the communicating vessel, so that the movable plug 346 moves upwards under the extrusion of the liquid to push the outer shell 1 upwards, and under the elastic matching of the air bag 33, the shaking amplitude of the outer shell 1 is reduced, and the damage of internal elements caused by large shaking is avoided.
Through the fan 10 and the heat dissipation device 8, the fan 10 is operated, the gas pressure inside the shell 1 is increased, the special-shaped baffle 82 moves downwards, the spring 83 is compressed, a part of heat is transmitted to the outside through the through hole in the peripheral casing 81 along the gap after the special-shaped baffle 82 moves downwards, the heat dissipation effect is better, after the fan 10 is closed, the gas pressure in the equipment is recovered, the spring 83 recovers to deform, the special-shaped baffle 82 is made to block the through hole in the top of the peripheral casing 81, and the dust in the air is prevented from falling into the inside of the equipment to influence the service life of equipment elements.
Example 3
As shown in fig. 7, the dust-proof device 7 includes a curved plate 71, a bottom of the curved plate 71 is fixedly connected to the upper surface of the housing 1, a top of the curved plate 71 is fixedly connected to an arc-shaped baffle plate 72, and a dust collecting groove 73 is slidably connected to an edge side of the lower surface of the arc-shaped baffle plate 72.
During the use, through dust keeper 7, when equipment was placed for a long time, the dust fell on cowl 72 surface, and the manual work was pressed cowl 72 downwards, because cowl 72 has elasticity, the dust on cowl 72 surface was shaken off to the dust collecting tank 73 of both sides in, and the manual work slides and takes out dust collecting tank 73, can pour the dust, and the dust that continues to accumulate next time of being convenient for has saved the clearance time.
It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are not specifically illustrated or described, but are instead contemplated to be practiced in the art by those skilled in the art.
Claims (9)
1. A wide input range AC-DC converter, including shell (1), its characterized in that: the bottom of the shell (1) is provided with a supporting device (3), the front side of the shell (1) is fixedly connected with a control knob (2), the front of the shell (1) is fixedly connected with an on-off key (5) and an indicator lamp (6), the indicator lamp (6) is arranged under the on-off key (5), the middle of the front of the shell (1) is provided with a jack (4), the side of the shell (1) is provided with an air inlet hole (9), the side of the shell (1) is fixedly connected with a fan (10), one side of the shell (1) far away from the air inlet hole (9) is provided with an exhaust hole (11), the top of the shell (1) is provided with a heat dissipation hole (12), the middle of the upper surface of the shell (1) is fixedly connected with a heat dissipation device (8), and the upper surface of the shell (1) is fixedly connected with a dustproof device (7);
strutting arrangement (3) are including bending plate (32), the surface sliding connection of bending plate (32) is in the inside of shell (1), the bottom fixedly connected with bottom plate (31) of bending plate (32), bottom plate (31) set up the outside at shell (1), department fixedly connected with stabilizing mean (34) in the middle of bottom plate (31) upper surface.
2. The wide input range ac-dc converter of claim 1, wherein: the middle of the inner surface of the shell (1) is fixedly connected with a cooling pipe (13), the inner surface of the shell (1) is fixedly connected with a placing plate (14), the placing plate (14) is arranged right below the cooling pipe (13), and the lower surface of the placing plate (14) is uniformly and fixedly connected with a heat transfer plate (15).
3. The wide input range ac-dc converter of claim 2, wherein: the heat transfer plate (15) is fixedly connected with a heat conduction rod (16) in the inner part, the two sides of the shell (1) are fixedly connected with heat dissipation plates (17), and the outer surface of the heat conduction rod (16) penetrates through the shell (1) and extends to the outer surface of the heat dissipation plates (17).
4. The wide input range ac-dc converter of claim 1, wherein: the last fixed surface of bottom plate (31) is connected with gasbag (33), gasbag (33) symmetry sets up the both sides in stabilizing mean (34), the top fixed connection of gasbag (33) is at the lower surface of shell (1), gasbag (33) set up the inner chamber at bent plate (32).
5. The wide input range ac-dc converter of claim 4, wherein: the stabilizing mechanism (34) comprises a cylindrical sleeve (341), the bottom of the cylindrical sleeve (341) is fixedly connected to the middle of the upper surface of the bottom plate (31), side inclined tubes (342) are fixedly connected to two sides of the cylindrical sleeve (341), the inside of each side inclined tube (342) is communicated with the inside of the cylindrical sleeve (341), a movable plug (346) is sleeved inside the cylindrical sleeve (341), and the outer surface of each movable plug (346) penetrates through the top of the cylindrical sleeve (341).
6. The wide input range ac-dc converter of claim 5, wherein: the inner portion of the side inclined tube (342) is connected with a moving column (343) in a sliding mode, the end portion of the moving column (343) is fixedly connected with a rotating rod (345), the inner portion of the rotating rod (345) is connected with a fixing block (344) in a rotating mode, and the bottom of the fixing block (344) is fixedly connected to the upper surface of the bottom plate (31).
7. The wide input range ac-dc converter of claim 1, wherein: the heat dissipation device (8) comprises a peripheral casing (81), the bottom of the peripheral casing (81) is fixedly connected to the middle of the upper surface of the shell (1), the inner surface of the peripheral casing (81) is fixedly connected with a limit long block (85), and the inner part of the limit long block (85) is fixedly connected with a fixing rod (84).
8. The wide input range ac-dc converter of claim 7, wherein: the bottom fixed connection of dead lever (84) is at the upper surface of shell (1), the surface sliding connection of dead lever (84) has special-shaped baffle (82), the surface cover of dead lever (84) is equipped with spring (83), special-shaped baffle (82) set up directly over spring (83), the bottom fixed connection of spring (83) is at the upper surface of shell (1).
9. The wide input range ac-dc converter of claim 1, wherein: dustproof device (7) are including crooked board (71), the bottom fixed connection of crooked board (71) is at the upper surface of shell (1), the top fixedly connected with cowl (72) of crooked board (71), the avris department sliding connection of cowl (72) lower surface has dust collecting tank (73).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244523.1A CN115549492B (en) | 2022-10-12 | 2022-10-12 | Wide input range AC/DC converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244523.1A CN115549492B (en) | 2022-10-12 | 2022-10-12 | Wide input range AC/DC converter |
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| CN115549492A true CN115549492A (en) | 2022-12-30 |
| CN115549492B CN115549492B (en) | 2023-06-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215995330U (en) * | 2021-07-08 | 2022-03-11 | 广东易迈科技有限公司 | Ultrasonic electrical stimulation therapeutic instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117395853A (en) * | 2023-10-08 | 2024-01-12 | 广州南威电子有限公司 | Air-cooled radiating power amplification plate radiator |
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| CN115549492B (en) | 2023-06-27 |
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