CN111313720B - High-voltage direct-current power supply isolation protection device - Google Patents
High-voltage direct-current power supply isolation protection device Download PDFInfo
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- CN111313720B CN111313720B CN201911248506.3A CN201911248506A CN111313720B CN 111313720 B CN111313720 B CN 111313720B CN 201911248506 A CN201911248506 A CN 201911248506A CN 111313720 B CN111313720 B CN 111313720B
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- power supply
- air injection
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- seat
- air
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- 238000002955 isolation Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 29
- 239000007924 injection Substances 0.000 claims abstract description 29
- 230000003139 buffering effect Effects 0.000 claims abstract description 23
- 230000000087 stabilizing effect Effects 0.000 claims abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 7
- 238000004880 explosion Methods 0.000 abstract description 3
- 244000309464 bull Species 0.000 description 14
- 230000033228 biological regulation Effects 0.000 description 7
- 206010010904 Convulsion Diseases 0.000 description 5
- 230000036461 convulsion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method 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
- 230000008961 swelling Effects 0.000 description 1
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
- 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
Abstract
The invention discloses a high-voltage direct-current power supply isolation protection device which comprises an air draft cooling component, an air injection cooling component and a shell buffering component, wherein the shell buffering component is used for buffering and stabilizing a power supply device, the air draft cooling component is arranged at the bottom of the shell buffering component and is used for sucking hot air in the shell, the air injection cooling component is attached to the top of the power supply device and is used for providing normal temperature or a colder air environment for the power supply device, the device is provided with the shell buffering component, when explosion occurs in the device, the buffering effect can be achieved, and the air injection elastic head and the air injection device can be used for buffering, so that on one hand, the air injection device forms a huge hand grip to control the broken pieces to fly, and on the other hand, the buffering can be achieved through a buffering seat and an oval ball.
Description
Technical Field
The invention relates to the technical field of electronic protection equipment, in particular to a high-voltage direct-current power supply isolation protection device.
Background
The high-voltage DC power supply is also called DC high-voltage power supply, which is a power supply input by AC mains supply or three-phase power and output by DC voltage above kilovolts or above tens of thousands of volts, and the output power is hundreds to thousands of watts, and can be generally stabilized or stabilized. The prior direct-current high-voltage power supply is to boost alternating-current commercial power or three-phase power by a power frequency high-voltage transformer to alternating-current high-voltage power, and then rectify and filter the alternating-current commercial power or the three-phase power to obtain direct-current high-voltage power, wherein the volume and the weight of the power supply are large, and the conversion efficiency and the stability are poor. Along with the development and maturity of the switching power supply technology, the current power supply of the student laboratory not only needs to provide high-voltage direct current, but also ensures the safety of the direct current power supply, and avoids influencing the safety of students.
However, the direct current power supply in the existing equipment adopts a ventilation and heat dissipation mode, peculiar smell can be generated when the direct current high-voltage power supply works, and the peculiar smell can be influenced when the direct current high-voltage power supply enters the environment along with ventilation, in addition, the existing equipment can cause burst due to the problems of load and the like when the existing equipment works, the life safety of teachers and students is seriously endangered, and the existing ventilation and heat dissipation effect is poor. Accordingly, a person skilled in the art provides a high-voltage dc power isolation protection device to solve the above-mentioned problems in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a protector is kept apart to high voltage direct current power supply, its includes convulsions cooling module, notes wind cooling module and casing buffer module, casing buffer module is used for buffering and firm power supply unit, convulsions cooling module sets up the bottom at casing buffer module and is used for taking away the inside hot air of casing, notes wind cooling module is attached at power supply unit's top and is used for providing normal atmospheric temperature or colder air circumstance for it.
Further, as the preference, the casing buffer assembly includes the box, the box includes diaphragm and vertical board, two the rectangle shell is constituteed jointly to diaphragm and two vertical boards, the top and the bottom of shell are fixedly connected with upper cover and lower cover respectively, inwards protruding extension that is provided with on the inner wall of diaphragm, form the spacing groove between extension and the vertical board, be provided with baffle two along horizontal slip in the spacing groove, be provided with baffle one along vertically sliding between two baffles, vertical board is connected with baffle two through a plurality of evenly arranged springs one, the diaphragm is connected with baffle one through a plurality of evenly arranged springs two.
Further, as the preference, the front side of box is provided with the panel, the corner all is provided with fixed foot around the lower surface of box, the front side of panel is provided with the display screen, and the front side of panel is located one side of display screen and is provided with the signal lamp, the front side of panel is located the opposite side of display screen and is provided with the regulation turn round, and the front side of panel is located the below of regulation turn round and is provided with the switch, the front side of panel is located one side of signal lamp and is provided with output power, the inside of box is provided with power supply unit and equipment circuit board, power supply unit respectively with equipment circuit board, display screen, signal lamp, regulation turn round, switch and output power electrical property link to each other.
Further, as the preference, convulsions cooling module is including setting up thermovent and the heat dissipation fan on two longitudinal plates, the surface of thermovent is provided with the shutter, the shutter is stainless steel material component, the passageway has been seted up to the position department that corresponds thermovent on the baffle two, it has compound screen cloth to inlay to lie in the inboard of passageway on the baffle two, fixed embedding has the heat dissipation fan in the lower closing cap of shell.
Further, preferably, the power supply device and the device circuit board are fixed on a placement plate, the placement plate is fixed above the heat dissipation fan through four elastic seats, and a plurality of through holes are uniformly distributed on the placement plate.
Further preferably, the composite screen is glued to the inner side of the channel by epoxy resin glue, and the composite screen is an activated carbon material member.
Further, as the preference, annotate wind cooling subassembly includes notes wind elastic head, bull stick and gag lever post, the bull stick links to each other with annotating wind elastic head rotation, annotate wind elastic head is close to one side of bull stick and is fixed with two gag lever posts, annotate wind cooling subassembly respectively through bull stick and gag lever post mobilizable setting on the closing cap, bull stick and the outside that upper closing cap threaded connection and extend to upper closing cap along its axial outside, two the gag lever post slides with the upper closing cap respectively and links to each other and be used for restricting annotating wind elastic head rotation.
Further, as the preference, annotate wind elasticity head includes fixing base, mount pad and buffering seat, the one end that power supply unit was kept away from to the buffering seat is fixed with the mount pad, the other end of mount pad is fixed with the fixing base, the middle part of mount pad is fixed with the oval ball, fixing base and buffering seat support oval ball jointly with the assistance, the fixing base rotates through T shape head with the bull stick and links to each other, the bull stick is inside to be provided with the through-hole, and this through-hole communicates with each other with the ventilation groove on the fixing base and sets up, the one end that buffering seat is close to power supply unit is provided with the rectangular channel, the ventilation groove is linked together with the rectangular channel through the oval ball, the one end that buffering seat is close to power supply unit still is provided with pressure sensor and temperature sensor.
Further, preferably, the oval ball is of a cavity structure, a plurality of springs III are uniformly distributed in the oval ball along the axial direction parallel to the rotating rod, the oval ball is made of elastic materials, and a plurality of through holes are formed in the contact positions of the oval ball and the ventilation grooves and the rectangular grooves.
Further, as the preference, the both sides fixedly connected with jet equipment of rectangular channel, jet equipment includes connecting seat, steel pipe and jet pipe, the connecting seat is linked together with rectangular channel and is set up, and a plurality of steel pipes are linked together through the pipe with the connecting seat, be close to one side of power supply unit on the steel pipe along its axial direction array is provided with a plurality of jet pipes.
Compared with the prior art, the invention has the beneficial effects that: this device is provided with compound screen cloth, can prevent external dust entering box inside at ventilation radiating in-process, avoid the dust to lead to the fact the influence to the circuit board of box inside, in addition, can adsorb the peculiar smell of equipment inside, the use impression of experimenter has been promoted, this device is provided with the casing buffer unit, when the inside explosion of equipment, can play the cushioning effect, avoid leading to the problem of box fracture because of high-pressure air current direct impact box, provide safety protection for the teacher in laboratory, this device can be for power supply unit is whole to provide normal atmospheric temperature or colder air environment through annotating wind elasticity head and jet equipment, air is introduced into the air in the ventilation groove through the bull stick promptly, the air enters into the rectangle groove through the air vent on the oval ball, afterwards in dispersing each steel pipe through the connecting seat, all-round cover cooling is carried out for power supply unit through the fumarole on the steel pipe, when power supply unit takes place the explosion, on the one hand, still accessible annotates wind elasticity head and jet equipment forms huge tongs control piece and flies the condition, on the other hand, buffering can be carried out through buffering seat and oval ball.
Drawings
FIG. 1 is a schematic diagram of a high voltage DC power isolation protection device;
FIG. 2 is a schematic diagram of the internal structure of a high voltage DC power isolation protection device;
FIG. 3 is a schematic diagram of a housing buffer assembly of a HVDC isolation protection device;
FIG. 4 is a schematic plan view of a HVDC isolation protection device;
FIG. 5 is an enlarged view at A of FIG. 4;
FIG. 6 is a schematic diagram of a jet device of the HVDC isolation protection device;
FIG. 7 is a schematic diagram of a second air jet device of the HVDC isolation protection device;
in the figure: 1. a signal lamp; 2. a display screen; 3. adjusting the torque; 4. a switch; 5. a panel; 6. an output power supply; 7. a fixed foot; 8. a heat radiation port; 9. a case; 91. a housing; 92. a first spring; 93. a second spring; 94. a first baffle; 95. a second baffle; 96. an extension; 97. a cross plate; 98. a longitudinal plate; 10. a channel; 11. a composite screen; 12. a heat dissipation fan; 13. an elastic seat; 14. a setting plate; 15. a rotating rod; 16. a limit rod; 17. the connecting seat, 18, steel pipe; 19. a gas lance; 20. a fixing seat; 21. a mounting base; 22. a buffer seat; 23. rectangular grooves; 24. a third spring; 25. a vent hole; 26. and a ventilation groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a protector is kept apart to high voltage direct current power supply, its includes convulsions cooling module, notes wind cooling module and casing buffer unit, a serial communication port, casing buffer unit is used for buffering and firm power supply unit, convulsions cooling module sets up the bottom at casing buffer unit and is used for taking away the inside hot air of casing, notes wind cooling module is attached at power supply unit's top and is used for providing normal atmospheric temperature or colder air environment for it.
In this embodiment, the casing buffer assembly includes box 9, box 9 includes diaphragm 97 and vertical board 98, two diaphragm 97 and two vertical boards 98 constitute rectangle shell 91 jointly, the top and the bottom of shell 91 are fixedly connected with upper cover and lower closing cap respectively, inwards protruding extension 96 that is provided with on the inner wall of diaphragm 97, form the spacing groove between extension 96 and the vertical board 98, be provided with baffle two 95 along the slip in the horizontal direction in the spacing groove, be provided with baffle one 94 along vertically sliding between two baffles 95, vertical board 98 is connected through a plurality of evenly arranged springs one 92 with baffle two 95, diaphragm 97 is connected through a plurality of evenly arranged springs two 93 with baffle one 94, and when power supply unit explodes, accessible baffle one 94 and baffle two 95 cushion, and baffle two and shell 91 constitute bilayer structure in addition, can avoid directly striking the shell 91 and lead to the problem of breaking, provide safety protection for the teacher.
In this embodiment, the front side of box 9 is provided with panel 5, the corner all is provided with fixed foot 7 around the lower surface of box 9, the front side of panel 5 is provided with display screen 2, and the front side of panel 5 is located one side of display screen 2 and is provided with signal lamp 1, the front side of panel 5 is located the opposite side of display screen 2 and is provided with regulation turn round 3, and the front side of panel 5 is located the below of regulation turn round 3 and is provided with switch 4, the front side of panel 5 is located one side of signal lamp 1 and is provided with output power 6, the inside of box 9 is provided with power supply unit and equipment circuit board, power supply unit respectively with equipment circuit board, display screen 2, signal lamp 1, regulation turn round 3, switch 4 and output power 6 electricity link to each other, power supply unit is current product, it can provide high voltage direct current power supply, regulation turn round 3 is used for controlling high voltage direct current power's parameter, switch 4 is used for controlling power supply's switch.
In this embodiment, the ventilation cooling component includes the thermovent 8 and the radiator fan 12 that set up on two longitudinal plates 98, the surface of thermovent 8 is provided with the shutter, the shutter is stainless steel material component, passageway 10 has been seted up to the position department that corresponds thermovent 8 on baffle two 95, it has compound screen cloth 11 to inlay to lie in the inboard of passageway 10 on baffle two 95, fixed embedding has radiator fan 12 in the lower closing cap of shell 91, and radiator fan is controlled by the switch, opens radiator fan when opening power supply unit promptly and dispels the heat.
In this embodiment, the power supply device and the device circuit board are fixed on the placement board 14, the placement board 14 is fixed above the heat dissipation fan 12 through four elastic seats 13, and a plurality of through holes are uniformly distributed on the placement board 14.
In this embodiment, the composite screen 11 is glued at the inboard of passageway 10 through the epoxy glue, and composite screen 11 is an active carbon material component, and composite screen 11 can adsorb the inside peculiar smell of box 9, guarantees not to influence the environment, and the epoxy glue has heat resistance, adaptation equipment that can be fine is inside.
In this embodiment, annotate wind cooling subassembly includes notes wind elastic head, bull stick 15 and gag lever post 16, bull stick 15 rotates with notes wind elastic head and links to each other, annotate wind elastic head is close to one side of bull stick 15 and is fixed with two gag lever posts 16, annotate wind cooling subassembly respectively through bull stick 15 and gag lever post 16 mobilizable setting up on the closing cap, bull stick 15 and the outside of upper closing cap that extends to upper closing cap along its axial outside extension, two gag lever posts 16 link to each other with upper closing cap slip respectively and are used for restricting notes wind elastic head and rotate, through the position of rotating the mobilizable notes wind elastic head of bull stick 15, make its attached to power supply unit's surface to realize fixed power supply unit, make it more firm.
As a preferred embodiment, the wind-injecting elastic head comprises a fixing seat 20, a mounting seat 21 and a buffer seat 22, wherein the mounting seat 21 is fixed at one end, far away from the power supply, of the buffer seat 22, the fixing seat 20 is fixed at the other end of the mounting seat 21, an elliptical ball is fixed at the middle part of the mounting seat 21, the elliptical ball is supported by the fixing seat 20 and the buffer seat 22 in a co-assisting manner, the fixing seat 20 is rotationally connected with the rotating rod 15 through a T-shaped head, a through hole is formed in the rotating rod 15, the through hole is communicated with a ventilation groove 26 on the fixing seat 20, a rectangular groove 23 is formed at one end, close to the power supply, of the buffer seat 22, the ventilation groove 26 is communicated with the rectangular groove 23 through the elliptical ball, a pressure sensor and a temperature sensor are further arranged at one end, close to the power supply, of the buffer seat 22, measured data of the pressure sensor and the temperature sensor are displayed by the display screen 2, and the pressure sensor can monitor the pressure between the power supply and the wind-injecting elastic head in real time, so that the internal change of the power supply is indirectly monitored, and the phenomenon of swelling occurs.
In this embodiment, the oval ball is of a cavity structure, and a plurality of springs three 24 are uniformly distributed in the oval ball along the axial direction parallel to the rotating rod 15, and the oval ball is made of elastic material, and a plurality of through holes are formed in the contact position of the oval ball with the ventilation groove 26 and the rectangular groove 23.
In this embodiment, the air injection device is fixedly connected to two sides of the rectangular groove 23, the air injection device comprises a connecting seat 17, a steel pipe 18 and air injection pipes 19, the connecting seat 17 is connected with the rectangular groove 23, a plurality of steel pipes 18 are connected with the connecting seat 17 through round pipes, a plurality of air injection pipes 19 are arranged on one side, close to the power supply device, of the steel pipe 18 along the axial direction of the steel pipe, the air injection elastic head and the air injection device can integrally provide a normal-temperature or cooler air environment for the power supply device, specifically, the rotating rod 15 is of a hollow structure, air is introduced into the ventilating groove 26 through the rotating rod 15, the air enters the rectangular groove 23 through vent holes 25 on the elliptical ball, then the air is injected into the connecting seat 17 through the rectangular groove 23, the air is dispersed into each steel pipe 18 through the connecting seat 17, the air is subjected to omnibearing covering and cooling through the air injection pipes 19 on the steel pipe 18, and can also be buffered through the air injection elastic head and the air injection device when the power supply device explodes, so that on one hand, a large hand, the large hand can be formed, and on the other hand, the large hand can be used for controlling the chip disorder through buffering by the air injection elastic head and the elliptical ball.
When the power supply device is in specific implementation, the cooling fan is started to cool down in general, and when the temperature of the power supply device is detected to be higher, the cooling assembly can be used for further cooling down through air injection.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The high-voltage direct-current power supply isolation protection device comprises an air draft cooling component, an air injection cooling component and a shell buffering component, and is characterized in that the shell buffering component is used for buffering and stabilizing a power supply device, the air draft cooling component is arranged at the bottom of the shell buffering component and is used for sucking hot air in the shell, and the air injection cooling component is attached to the top of the power supply device and is used for providing a normal-temperature or colder air environment for the power supply device;
the air injection cooling assembly comprises an air injection elastic head, a rotating rod (15) and a limiting rod (16), wherein the rotating rod (15) is rotationally connected with the air injection elastic head, two limiting rods (16) are fixed on one side, close to the rotating rod (15), of the air injection elastic head, the air injection cooling assembly is movably arranged on an upper sealing cover through the rotating rod (15) and the limiting rod (16), the rotating rod (15) is in threaded connection with the upper sealing cover and extends outwards along the axial direction of the rotating rod to the outside of the upper sealing cover, and the two limiting rods (16) are respectively connected with the upper sealing cover in a sliding mode to limit the rotation of the air injection elastic head; the wind injection elastic head comprises a fixed seat (20), a mounting seat (21) and a buffer seat (22), wherein the mounting seat (21) is fixed at one end, far away from a power supply device, of the buffer seat (22), the other end of the mounting seat (21) is fixedly provided with the fixed seat (20), an elliptical ball is fixed at the middle part of the mounting seat (21), the fixed seat (20) and the buffer seat (22) support the elliptical ball in an auxiliary mode together, the fixed seat (20) and a rotating rod (15) are connected through the T-shaped head in a rotating mode, a through hole is formed in the rotating rod (15), the through hole is communicated with a ventilation groove (26) in the fixed seat (20), a rectangular groove (23) is formed in one end, close to the power supply device, of the buffer seat (22), and a pressure sensor and a temperature sensor are further arranged at one end, close to the power supply device, of the ventilation groove (26).
The two sides of the rectangular groove (23) are fixedly connected with air injection devices, each air injection device comprises a connecting seat (17), a steel pipe (18) and air injection pipes (19), the connecting seats (17) are communicated with the rectangular groove (23), a plurality of the steel pipes (18) are communicated with the connecting seats (17) through round pipes, and a plurality of the air injection pipes (19) are arranged on one side, close to the power supply device, of the steel pipe (18) along the axial direction array of the steel pipe.
2. The high-voltage direct-current power supply isolation protection device according to claim 1, wherein the shell buffer assembly comprises a box body (9), the box body (9) comprises a transverse plate (97) and a longitudinal plate (98), the two transverse plates (97) and the two longitudinal plates (98) form a rectangular shell (91) together, an upper sealing cover and a lower sealing cover are fixedly connected to the top and the bottom of the shell (91) respectively, an extending part (96) is arranged on the inner wall of the transverse plate (97) in an inward protruding mode, a limiting groove is formed between the extending part (96) and the longitudinal plate (98), a baffle two (95) is arranged in the limiting groove in a sliding mode along the transverse direction, a baffle one (94) is arranged between the two baffles (95) in a sliding mode along the longitudinal direction, the longitudinal plate (98) is connected with the baffle two (95) through a plurality of uniformly arranged springs one (92), and the transverse plate (97) is connected with the baffle two (94) through a plurality of uniformly arranged springs two (93).
3. The high-voltage direct-current power supply isolation protection device according to claim 2, wherein a panel (5) is arranged on the front side of the box (9), fixing feet (7) are arranged at corners around the lower surface of the box (9), a display screen (2) is arranged on the front side of the panel (5), a signal lamp (1) is arranged on one side of the display screen (2), an adjusting knob (3) is arranged on the other side of the display screen (2) on the front side of the panel (5), a switch (4) is arranged below the adjusting knob (3) on the front side of the panel (5), an output power supply (6) is arranged on one side of the signal lamp (1), and a power supply device and an equipment circuit board are arranged in the box (9) and are electrically connected with the equipment circuit board, the display screen (2), the signal lamp (1), the adjusting knob (3), the switch (4) and the output power supply (6) respectively.
4. The high-voltage direct-current power supply isolation protection device according to claim 1, wherein the air draft cooling assembly comprises a heat radiation opening (8) and a heat radiation fan (12) which are arranged on two longitudinal plates (98), a shutter is arranged on the surface of the heat radiation opening (8), the shutter is a stainless steel member, a channel (10) is formed in a position, corresponding to the heat radiation opening (8), of a second baffle plate (95), a composite screen (11) is inlaid on the inner side of the channel (10) of the second baffle plate (95), and the heat radiation fan (12) is fixedly inlaid in a lower sealing cover of the shell (91).
5. A high voltage dc power supply isolation protection device according to claim 3, wherein the power supply device and the equipment circuit board are fixed on a placement board (14), the placement board (14) is fixed above the heat dissipation fan (12) through four elastic seats (13), and a plurality of through holes are uniformly distributed on the placement board (14).
6. The high-voltage direct-current power supply isolation protection device according to claim 4, wherein the composite screen (11) is adhered to the inner side of the channel (10) through epoxy resin glue, and the composite screen (11) is an activated carbon material member.
7. The high-voltage direct-current power supply isolation protection device according to claim 1, wherein the oval ball is of a cavity structure, a plurality of springs III (24) are uniformly distributed in the oval ball along the axial direction parallel to the rotating rod (15), the oval ball is made of elastic materials, and a plurality of through holes are formed in the contact positions of the oval ball and the vent grooves (26) and the rectangular grooves (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248506.3A CN111313720B (en) | 2019-12-09 | 2019-12-09 | High-voltage direct-current power supply isolation protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248506.3A CN111313720B (en) | 2019-12-09 | 2019-12-09 | High-voltage direct-current power supply isolation protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111313720A CN111313720A (en) | 2020-06-19 |
| CN111313720B true CN111313720B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911248506.3A Active CN111313720B (en) | 2019-12-09 | 2019-12-09 | High-voltage direct-current power supply isolation protection device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253646A (en) * | 1964-04-08 | 1966-05-31 | Udylite Corp | Cooling system for power supply apparatus |
| CA2783117A1 (en) * | 2011-07-25 | 2013-01-25 | Eye Lighting Systems Corporation | Switching power supply device |
| WO2014147961A1 (en) * | 2013-03-19 | 2014-09-25 | 富士電機株式会社 | Electronic-device cooling apparatus and power conversion apparatus provided with same |
| JP2016154404A (en) * | 2015-02-20 | 2016-08-25 | 本田技研工業株式会社 | Power conversion device |
| CN110138237A (en) * | 2019-05-31 | 2019-08-16 | 宁波久源电子有限公司 | A kind of portable three road DC voltage-stablized source apparatus |
| CN209343885U (en) * | 2019-03-11 | 2019-09-03 | 杭州达杭电器有限公司 | A kind of power transformer protective device |
-
2019
- 2019-12-09 CN CN201911248506.3A patent/CN111313720B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253646A (en) * | 1964-04-08 | 1966-05-31 | Udylite Corp | Cooling system for power supply apparatus |
| CA2783117A1 (en) * | 2011-07-25 | 2013-01-25 | Eye Lighting Systems Corporation | Switching power supply device |
| WO2014147961A1 (en) * | 2013-03-19 | 2014-09-25 | 富士電機株式会社 | Electronic-device cooling apparatus and power conversion apparatus provided with same |
| JP2016154404A (en) * | 2015-02-20 | 2016-08-25 | 本田技研工業株式会社 | Power conversion device |
| CN209343885U (en) * | 2019-03-11 | 2019-09-03 | 杭州达杭电器有限公司 | A kind of power transformer protective device |
| CN110138237A (en) * | 2019-05-31 | 2019-08-16 | 宁波久源电子有限公司 | A kind of portable three road DC voltage-stablized source apparatus |
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|---|---|
| CN111313720A (en) | 2020-06-19 |
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