CN113410984B - Three-level DC-DC soft switching power supply module in power supply - Google Patents
Three-level DC-DC soft switching power supply module in power supply Download PDFInfo
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- CN113410984B CN113410984B CN202110826741.5A CN202110826741A CN113410984B CN 113410984 B CN113410984 B CN 113410984B CN 202110826741 A CN202110826741 A CN 202110826741A CN 113410984 B CN113410984 B CN 113410984B
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- dustproof frame
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- 238000007789 sealing Methods 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 2
- 210000001503 joint Anatomy 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H02M3/00—Conversion of dc power input into dc power output
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a three-level DC-DC soft switching power supply module in a power supply, which comprises a switching power supply module, wherein a dustproof frame is arranged on the outer side of the switching power supply module, a sliding groove is formed in the top of one side of the dustproof frame, a sealing plate is arranged on the sliding groove, a fixing assembly is arranged between the sealing plate and the dustproof frame, a protective cylinder is arranged on the front side of the dustproof frame, a conductive socket is convexly arranged on one side, positioned on the protective cylinder, of the switching power supply module, and a sealing assembly is arranged inside a shell of the protective cylinder; has the advantages that: according to the invention, the sealing plate is pushed, the fixing component is limited and fixed, and the piston rod is pushed to compress gas in the negative pressure cavity, so that the airbag is inflated to wrap the cable to realize sealing treatment, external dust is prevented from entering the power module through the wiring port to influence the normal work of the power module, once the DC-DC switch power module is disassembled and maintained, the power-off component forms power-off protection, and the safety problem of workers during disassembly and maintenance is prevented.
Description
Technical Field
The invention relates to the technical field of communication systems, in particular to a three-level DC-DC soft switching power supply module in a power supply.
Background
The switch power supply module modularly encapsulates discrete components on the switch power supply, so that a module power supply with smaller volume and higher power density is formed, and an internal circuit of the module power supply is also the switch power supply. Switching power supplies can be divided into two broad categories, AC-DC and DC-DC, DC-DC converters are now modular, DC-DC conversion is the conversion of a fixed DC voltage into a variable DC voltage, also known as DC chopping.
The wiring port arranged on the existing DC-DC switching power supply module reduces the protection performance to the inside of the power supply module, external dust can enter the inside of the power supply module through the wiring port to influence the normal work of the power supply module, and meanwhile, the DC-DC switching power supply module is mainly installed on an external shell through screws, so that a plurality of screws are required to be screwed when wiring installation or disassembly maintenance is carried out, thereby causing inconvenience in operation.
Disclosure of Invention
The present invention is directed to a three-level DC-DC soft switching power supply module in a power supply, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a soft switching power supply module of three level DC-DC in power, includes switching power supply module, switching power supply module's the outside is provided with dustproof frame, the spout has been seted up at one side top of dustproof frame, be provided with the shrouding on the spout, be provided with fixed subassembly between shrouding and the dustproof frame, the front side of dustproof frame is provided with a protection section of thick bamboo, the last one side protrusion that lies in a protection section of thick bamboo of switching power supply module is provided with electrically conductive socket, the inside seal assembly that is provided with of casing of a protection section of thick bamboo, seal assembly includes negative pressure chamber, piston rod, sealed round piece and gasbag, the inside outage subassembly that is provided with of casing of a protection section of thick bamboo, the front side of shrouding is provided with the connecting rod, the one end of connecting rod is provided with a fixed section of thick bamboo.
Preferably, the shrouding is "T" type plate structure, and mutually supports between with the spout, the parallel and level between the top of shrouding and the top of dustproof frame, the both sides of shrouding are "L" type groove and slip joint on dustproof frame.
Preferably, the holding tank has been seted up to the last one side that is close to the spout of dustproof frame, the slot has been seted up to the side of shrouding, fixed subassembly includes fixed block, compression spring and traction rod, be provided with compression spring between fixed block and the holding tank, logical groove has been seted up at the top of holding tank, the top of fixed block is provided with the traction rod, the finger groove has all been seted up to the front end both sides of shrouding, be provided with anti-skidding line on the finger groove.
Preferably, the holding tank is "protruding" style of calligraphy notch structure, the slot is square notch structure, fixed block slip joint is on the holding tank, the fixed block is "T" type blocky structure, and matches each other between tip and the slot, the one end of tractive pole runs through logical groove and extends to the outside of dustproof frame, the length that leads to the groove is greater than the length of fixed block.
Preferably, the negative pressure chamber is tube-shape cavity structures, the inside in negative pressure chamber slides and is provided with sealed disk, and one side of sealed disk is provided with the piston rod, one side intercommunication in negative pressure chamber has the gasbag, spacing annular has been seted up on the inner wall of a protection section of thick bamboo, the gasbag is located spacing annular, the through-hole has been seted up to the front side of a protection section of thick bamboo, the piston rod runs through the negative pressure chamber, and with mutually match between the through-hole.
Preferably, the outage subassembly includes insulator spindle, conducting block, metal plug, binding post, dog and reset spring, match each other between metal plug and the conductive socket, the spacing groove has been seted up to the casing inside of a protection section of thick bamboo, the dog is located the inside of spacing groove, and welds on the insulator spindle, be provided with reset spring between dog and the spacing groove, weld between sheetmetal in the binding post and the conducting block, the removal annular has been seted up on the inner wall of a protection section of thick bamboo, the conducting block is located the removal annular.
Preferably, the insulating rod is inserted into the shell of the protective cylinder in a sliding manner, one end of the insulating rod is in contact with the air bag, the other end of the insulating rod is fixedly connected with a conductive block, the wiring terminal is welded on one side of the conductive block, and the metal plug is welded on the other side of the conductive block.
Preferably, the inner side of the fixed cylinder is provided with an ejector rod, the ejector rod and the piston rod are mutually butted, and the fixed cylinder is sleeved on the protective cylinder in a sliding manner.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the sealing plate is pushed, the fixing component is limited and fixed, the ejector rod is driven to be in contact with the piston rod and push the piston rod to compress gas in the negative pressure cavity, the air bag is inflated to wrap the cable to realize sealing treatment, external dust is prevented from entering the power module through the wiring port to influence the normal work of the power module, once the DC-DC switching power module is disassembled and maintained, the insulating rod moves away from the conductive socket under the action of the reset spring due to deflation of the air bag, and then the metal plug is separated from the conductive socket, so that power-off protection is formed, and the safety problem of workers during disassembly and maintenance is prevented.
2. According to the invention, the fixing assembly is additionally arranged on the dustproof frame, the compression spring is compressed by pulling the traction rod, the sealing plate is pushed into the chute, the limiting and fixing of the sealing plate are realized by loosening the traction rod, the operation is convenient, meanwhile, the sealing treatment of the wiring port is realized, and the efficiency of mounting the DC-DC switch power supply module is greatly improved by operating the fixing assembly and the wiring port simultaneously;
drawings
Fig. 1 is a schematic structural diagram of a switching power supply module package according to the present invention;
fig. 2 is an exploded view of the switching power supply module according to the present invention;
FIG. 3 is a cross-sectional view of the attachment between the dust rack and the seal plate of the present invention;
FIG. 4 is a schematic view of an exploded structure of the connection between the fixed cylinder and the protective cylinder according to the present invention;
FIG. 5 is a cross-sectional view of the seal assembly and the power disconnect assembly of the present invention;
fig. 6 is a cross-sectional view of a protective cartridge of the present invention.
In the figure: a switching power supply module 1; a dust-proof frame 2; a chute 21; a closing plate 3; a slot 31; a fixed component 4; a fixed block 41; a compression spring 42; a pull rod 43; a protective cylinder 5; a conductive socket 51; a seal assembly 6; a negative pressure chamber 61; a piston rod 62; a sealing round block 63; an air bag 64; a limit ring groove 65; a power-off assembly 7; an insulating rod 71; a conductive block 72; a metal plug 73; a connection terminal 74; a stopper 75; a return spring 76; a connecting rod 8; a fixed cylinder 81; and a push rod 82.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a soft switching power supply module of three level DC-DC in power, including switching power supply module 1, dustproof frame 2 is installed in switching power supply module 1's the outside, dustproof frame 2 carries out the guard action alone to switching power supply module 1, be favorable to going on of switching power supply module 1's work, spout 21 has been seted up at one side top of dustproof frame 2, be provided with shrouding 3 on the spout 21, shrouding 3 is "T" template column structure, and mutually support between the spout 21, parallel and level between the top of shrouding 3 and the top of dustproof frame 2, the both sides of shrouding 3 are "L" type groove and slip joint on dustproof frame 2, the both sides shape of shrouding 3 is favorable to preventing that the dust from getting into switching power supply module 1 from dustproof frame 2 both sides inside.
A fixing component 4 is arranged between the sealing plate 3 and the dustproof frame 2, the fixing component 4 comprises a fixing block 41, a compression spring 42 and a traction rod 43, an accommodating groove is arranged on one side of the dustproof frame 2 close to the sliding groove 21, the accommodating groove is of a convex-shaped groove opening structure, an inserting groove 31 is arranged on the side surface of the sealing plate 3, the inserting groove 31 is of a square-shaped groove opening structure, the fixing block 41 is clamped on the accommodating groove in a sliding manner, the fixing block 41 is of a T-shaped block structure, the end part of the fixing block is matched with the inserting groove 31, the compression spring 42 is fixedly connected between the fixing block 41 and the accommodating groove, a through groove is arranged at the top of the accommodating groove, the traction rod 43 is welded at the top of the fixing block 41, one end of the traction rod 43 penetrates through the through groove and extends to the outer part of the dustproof frame 2, the length of the through groove is larger than that of the fixing block 41, finger grooves are arranged on both sides of the front end of the sealing plate 3, anti-slip grains are arranged on the finger grooves, promote shrouding 3 on spout 21, at this in-process, pulling pull rod 43 makes compression spring 42 compressed in the holding tank, when shrouding 3 supports from spout 21 to the other end, loosen pull rod 43 and make under compression spring 42 elastic deformation effect, fixed block 41 pegs graft on the slot 31 on shrouding 3, realize spacing fixed to shrouding 3, when needs dismantle switching power supply module 1, the dismantlement can be accomplished to the slot that fixed block 41 breaks away from on the shrouding 3, and convenient operation.
A protective barrel 5 is fixedly installed on the front side of the dustproof frame 2, a conductive socket 51 is convexly arranged on one side of the protective barrel 5 on the switching power supply module 1, a sealing assembly 6 is installed inside a shell of the protective barrel 5, the sealing assembly 6 comprises a negative pressure cavity 61, a piston rod 62, a sealing round block 63 and an air bag 64, the negative pressure cavity 61 is of a cylindrical cavity structure, the sealing round block 63 is slidably connected inside the negative pressure cavity 61, the sealing round block 63 is of a rubber layer structure and is beneficial to storing gas in the negative pressure cavity 61, the piston rod 62 is welded on one side of the sealing round block 63, the air bag 64 is communicated with one side of the negative pressure cavity 61 and is of a circular ring structure, a limiting ring groove 65 is formed in the inner wall of the protective barrel 5, the air bag 64 is located on the limiting ring groove 65, a through hole is formed in the front side of the protective barrel 5, the piston rod 62 penetrates through the negative pressure cavity 61 and is matched with the through hole, a connecting rod 8 is arranged on the front side of the sealing plate 3, connecting rod 8's one end is provided with a fixed cylinder 81, a fixed cylinder 81's inboard is provided with ejector pin 82, dock each other between ejector pin 82 and the piston rod 62, a fixed cylinder 81 slides and cup joints on a protective barrel 5, when shrouding 3 carries out spacing fixed through fixed subassembly 4, in this process, ejector pin 82 on the fixed cylinder 81 passes through the through-hole and contacts with piston rod 62, and promote piston rod 62 and compress the gas in the negative pressure chamber 61, intercommunication between gasbag 64 and the negative pressure chamber 61, and then inflate gasbag 64, make gasbag 64 bulge the parcel cable in spacing annular 65 and realize the sealing process of wiring mouth, prevent that external dust can get into the inside normal work to power module of power module through the wiring mouth and cause the influence.
The shell of the protective cylinder 5 is internally provided with a power-off assembly 7, the power-off assembly 7 comprises an insulating rod 71, a conductive block 72, a metal plug 73, a wiring terminal 74, a stop block 75 and a return spring 76, the insulating rod 71 is inserted in the shell of the protective cylinder 5 in a sliding manner, one end of the insulating rod 71 is in contact with the air bag 64, the other end of the insulating rod 71 is fixedly connected with the conductive block 72, the wiring terminal 74 is welded on one side of the conductive block 72, the metal plug 73 is welded on the other side of the conductive block 72, the metal plug 73 is matched with the conductive socket 51, the shell of the protective cylinder 5 is internally provided with a limit groove, the stop block 75 is positioned in the limit groove and is welded on the insulating rod 71, the return spring 76 is fixedly connected between the stop block 75 and the limit groove, a metal sheet in the wiring terminal 74 is welded with the conductive block 72, the inner wall of the protective cylinder 5 is provided with a movable ring groove, the conductive block 72 is positioned on the movable ring groove, when the air bag 64 bulges in the limiting ring groove 65, in the process, the insulating rod 71 is pushed to approach the direction of the conductive socket 51, the stop block 75 enables the return spring 76 to be compressed, and then the metal plug 73 is butted with the conductive socket 51, so that the connection terminal 74 is conducted with the switching power supply module 1 through the conductive block 72 and the metal plug 73, a cable is conveniently plugged in the connection terminal 74 to realize electrical connection, when the switching power supply module is required to be disassembled and maintained, the ejector rod 82 on the fixed cylinder 81 is separated from the through hole, so that the compressed gas in the air bag 64 pushes the sealing round block 63 to move in the direction away from the air bag 64, the compressed gas in the air bag 64 returns to the negative pressure cavity 61, and the air bag 64 contracts, the volume is reduced, meanwhile, the insulating rod 71 moves in the direction away from the conductive socket 51 under the action of the return spring 76, and then the metal plug 73 is separated from the conductive socket 51, and then form power-off protection, prevent to lead to the fact the safety problem to the staff when dismantling the maintenance.
The working principle is as follows: in practical use, two fingers are buckled on the finger grooves, the sealing plate 3 is pushed on the sliding groove 21, the pulling rod 43 is pulled to compress the compression spring 42 in the accommodating groove in the process, when the sealing plate 3 is propped against the sliding groove 21 from the other end, the pulling rod 43 is loosened to ensure that the fixing block 41 is inserted in the inserting groove 31 on the sealing plate 3 under the elastic deformation action of the compression spring 42 to realize the limiting and fixing of the sealing plate 3, meanwhile, the connecting rod 8 is fixedly connected between the sealing plate 3 and the fixing cylinder 81, the ejector rod 82 on the fixing cylinder 81 is contacted with the piston rod 62 through the through hole and pushes the piston rod 62 to compress the gas in the negative pressure cavity 61, the air bag 64 is communicated with the negative pressure cavity 61 to further inflate the air bag 64, so that the air bag 64 is bulged in the limiting ring groove 65 to wrap the cable to realize the sealing treatment of the wire connecting port, and the influence on the normal work of the power module caused by the external dust entering the power module through the wire connecting port, in the process, the insulating rod 71 is pushed to approach the direction of the conductive socket 51, the stop 75 enables the return spring 76 to be compressed, and then the metal plug 73 is butted with the conductive socket 51, so that the connection of the connection terminal 74 and the switching power supply module 1 through the conductive block 72 and the metal plug 73 is realized, and the cable is conveniently plugged in the connection terminal 74 to realize electrical connection; when the switch power supply module 1 needs to be disassembled, the pulling rod 43 is pulled to enable the compression spring 42 to be compressed in the accommodating groove, and then the fixing block 41 is separated from the slot on the closing plate 3, so that the disassembly can be completed, the operation is convenient, at the same time, the push rod 82 on the fixed cylinder 81 is disengaged from the through hole, so that the compressed gas in the air bag 64 pushes the sealing round block 63 to move away from the air bag 64, the compressed gas in the air bag 64 returns to the negative pressure cavity 61, and the air bag 64 contracts, the volume becomes smaller, at the same time, the insulating rod 71 is moved away from the conductive socket 51 by the return spring 76, and then metal plug 73 breaks away from electrically conductive socket 51, and then forms the power-off protection, prevents to cause the safety problem to the staff when dismantling the maintenance, and when gasbag 64 contracts, gasbag 64 loses the laminating contact to the cable, is favorable to the change of cable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a soft switching power supply module of three level DC-DC in power, includes switching power supply module (1), its characterized in that: the switch power supply module is characterized in that a dustproof frame (2) is arranged on the outer side of the switch power supply module (1), a sliding groove (21) is formed in the top of one side of the dustproof frame (2), a sealing plate (3) is arranged on the sliding groove (21), a fixing component (4) is arranged between the sealing plate (3) and the dustproof frame (2), a protective barrel (5) is arranged on the front side of the dustproof frame (2), a conductive socket (51) is convexly arranged on one side, located on the protective barrel (5), of the switch power supply module (1), a sealing component (6) is arranged inside a shell of the protective barrel (5), the sealing component (6) comprises a negative pressure cavity (61), a piston rod (62), a sealing round block (63) and an air bag (64), a power-off component (7) is arranged inside the shell of the protective barrel (5), a connecting rod (8) is arranged on the front side of the sealing plate (3), and a fixing barrel (81) is arranged at one end of the connecting rod (8), the utility model discloses a safety protection device, including a protection barrel, negative pressure chamber (61), gasbag (64), limit ring groove (65), air bag (64), through-hole, negative pressure chamber (61), piston rod (61), limit ring groove (65), power failure subassembly (7) including insulator spindle (71), conducting block (72), metal plug (73), binding post (74), dog (75) and reset spring (76), match each other between metal plug (73) and conducting socket (51), the inside spacing groove of having seted up of the casing of protection barrel (5), dog (75) are located the inside of spacing groove, and the welding is on insulator spindle (71), be provided with reset spring (76) between dog (75) and the spacing groove, the welding between sheetmetal in binding post (74) and conducting block (72), the removal annular has been seted up on the inner wall of a protection section of thick bamboo (5), conducting block (72) are located the removal annular.
2. The power supply medium three-level DC-DC soft switching power supply module of claim 1, wherein: shrouding (3) are "T" type plate structure, and mutually support between spout (21), parallel and level between the top of shrouding (3) and the top of dustproof frame (2), the both sides of shrouding (3) are "L" type groove and slip joint on dustproof frame (2).
3. The power supply medium three-level DC-DC soft switching power supply module of claim 1, wherein: the dustproof frame (2) is gone up one side that is close to spout (21) and has been seted up the holding tank, slot (31) have been seted up to the side of shrouding (3), fixed subassembly (4) are including fixed block (41), compression spring (42) and traction rod (43), be provided with compression spring (42) between fixed block (41) and the holding tank, logical groove has been seted up at the top of holding tank, the top of fixed block (41) is provided with traction rod (43), finger groove has all been seted up to the front end both sides of shrouding (3), be provided with anti-skidding line on the finger groove.
4. The power supply medium three-level DC-DC soft switching power supply module according to claim 3, wherein: the holding tank is "protruding" style of calligraphy notch structure, slot (31) are square notch structure, fixed block (41) slip joint is on the holding tank, fixed block (41) are "T" type blocky structure, and match each other between tip and slot (31), the one end of tractive pole (43) runs through logical groove and extends to the outside of dustproof frame (2), the length that leads to the groove is greater than the length of fixed block (41).
5. The power supply medium three-level DC-DC soft switching power supply module of claim 1, wherein: the air bag protection device is characterized in that the insulating rod (71) is inserted into the shell of the protection barrel (5) in a sliding mode, one end of the insulating rod (71) is in contact with the air bag (64), the other end of the insulating rod is fixedly connected with a conductive block (72), the wiring terminal (74) is welded to one side of the conductive block (72), and the metal plug (73) is welded to the other side of the conductive block (72).
6. The power supply medium three-level DC-DC soft switching power supply module of claim 1, wherein: the inner side of the fixed cylinder (81) is provided with an ejector rod (82), the ejector rod (82) is in butt joint with the piston rod (62), and the fixed cylinder (81) is sleeved on the protective cylinder (5) in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110826741.5A CN113410984B (en) | 2021-07-21 | 2021-07-21 | Three-level DC-DC soft switching power supply module in power supply |
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| CN202110826741.5A CN113410984B (en) | 2021-07-21 | 2021-07-21 | Three-level DC-DC soft switching power supply module in power supply |
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| CN113410984B true CN113410984B (en) | 2022-03-08 |
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| JP4241081B2 (en) * | 2003-02-19 | 2009-03-18 | パナソニック株式会社 | Module parts |
| EP2128935A1 (en) * | 2008-05-27 | 2009-12-02 | Jinliang Qu | Airtight RF coaxial connector with self-locking by snap-fastening. |
| CN207409734U (en) * | 2017-11-15 | 2018-05-25 | 焦作大学 | A kind of terminal plate of waterproof |
| CN208208224U (en) * | 2018-06-13 | 2018-12-07 | 深圳市永恒盛五金制品有限公司 | A kind of LED box air inlet waterproof and dustproof structure |
| CN211508899U (en) * | 2019-12-30 | 2020-09-15 | 上海杰宁新能源科技发展有限公司 | DC-DC power converter for hydrogen fuel cell |
| CN211377079U (en) * | 2020-03-31 | 2020-08-28 | 安徽恒心云数据科技有限公司 | Switch with port protection function |
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Denomination of invention: A three-level DC-DC soft switching power supply module in power supply Effective date of registration: 20230522 Granted publication date: 20220308 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN LIANMING POWER Co.,Ltd. Registration number: Y2023980041303 |
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| CP03 | Change of name, title or address | ||
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Address after: 518000, Building 4, West Half Floor, 601, 701, Building 301, 401, 501, Fubilun Technology Factory, Tantou Community, Songgang Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Lianming Power Supply Co.,Ltd. Country or region after: Zhong Guo Address before: 518000 floor 10, floor 11 and floor 9 of plant 1 and plant 2, No. 128, Shangnan East Road, Huangpu Community, Xinqiao street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN LIANMING POWER Co.,Ltd. Country or region before: Zhong Guo |