CN116885925B - Switch power supply with waterproof and heat dissipation functions - Google Patents
Switch power supply with waterproof and heat dissipation functions Download PDFInfo
- Publication number
- CN116885925B CN116885925B CN202311130922.XA CN202311130922A CN116885925B CN 116885925 B CN116885925 B CN 116885925B CN 202311130922 A CN202311130922 A CN 202311130922A CN 116885925 B CN116885925 B CN 116885925B
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- Prior art keywords
- shell
- power supply
- radiator
- semiconductor refrigerating
- waterproof
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 66
- 239000004065 semiconductor Substances 0.000 claims abstract description 39
- 230000000670 limiting effect Effects 0.000 claims description 57
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007306 turnover 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
- H02M1/00—Details of apparatus for conversion
-
- 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
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
- H05K5/0214—Venting apertures; Constructional details thereof with means preventing penetration of rain water or dust
-
- 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
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- 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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a switching power supply with waterproof and heat dissipation functions, which relates to the field of power supply shells and comprises a power supply shell; bolts are respectively connected to two sides of the outer part of the power supply shell, and a semiconductor refrigerating sheet is arranged on one side of the power supply shell; the outer side of the power supply shell is fixedly connected with an outer radiator, and the inner side of the power supply shell is fixedly connected with an inner radiator. According to the LED switch power supply, the outer radiator conducts heat to the semiconductor refrigerating sheet, the inner radiator conducts cold to the semiconductor refrigerating sheet, the inner fan blows cold air into the power supply shell, the electronic components in the power supply shell are cooled, the through hole is sealed through the sealing ring B, the power supply shell is sealed, and the waterproof performance of the LED switch power supply is guaranteed. The problem that the electronic components are damaged due to the fact that the existing switching power supply generally adopts a traditional internal and external ventilation mode to dissipate heat in the application process, although the temperature of the electronic components can be effectively reduced, the waterproof performance of the switching power supply is poor, and the electronic components are extremely easy to cause short circuit damage due to internal water inflow is solved.
Description
Technical Field
The invention relates to the technical field of power supply shells, in particular to a switching power supply with waterproof and heat dissipation functions.
Background
The switching power supply is a high-frequency electric energy conversion device, and is a power supply device, and the function of the switching power supply is to convert voltage with one level into voltage or current required by a user terminal through different forms of frameworks, and the input of the switching power supply is mostly an alternating current power supply or a direct current power supply, so that the running state of the switching power supply is ensured, and a power supply shell is required to have excellent heat dissipation effect.
The constant-current direct-drive LED switch power supply can refer to the patent of publication No. CN112566435A, and comprises an LED switch power supply body, a furling structure, a sealing structure, a driving structure, a containing structure, a fixing structure, a transmission structure and a turnover structure; when the electrical components are overhauled and maintained, the accommodating structure drives the electrical components to completely expose the LED switch power supply body, so that the external space is larger, the electrical components on the accommodating structure are convenient to overhaul and maintain from multiple directions, and the overhauling and maintenance efficiency and the quality of the electrical components are greatly improved; and when the storage structure drives the electrical component to slide out of the LED switch power supply body, the storage structure drives the transmission structure, so that the transmission structure drives the overturning structure, the overturning structure drives the sealing structure to rotate after being separated from the LED switch power supply body, and the automatic control of the opening and closing between the sealing structure and the LED switch power supply body is facilitated.
The existing constant-current direct-drive LED switch power supply generally adopts a traditional internal and external ventilation mode to dissipate heat in the application process, but the temperature of internal electronic components can be effectively reduced, the waterproof performance of the power supply is poor, the internal water inlet is extremely easy to cause the damage of the electronic components due to short circuit, the power supply shell is inconvenient to detach, and when the internal electronic components are damaged and need to be overhauled and replaced, the internal circuit board can be taken out to replace the electronic components for a long time, so that the power supply is more complicated and time-consuming.
Disclosure of Invention
In view of the above, the invention provides a switching power supply with waterproof and heat dissipation functions, so as to solve the problems that in the application process of the existing constant current direct-drive LED switching power supply, the traditional internal and external ventilation mode is generally adopted for heat dissipation, although the temperature of an internal electronic component can be effectively reduced, the internal electronic component is extremely poor in waterproof performance, the electronic component is extremely easy to be damaged due to short circuit caused by internal water inlet, the power supply shell is extremely inconvenient to detach, and when the internal electronic component is damaged and needs to be overhauled and replaced, the internal circuit board can be taken out for replacing the electronic component, and the operation is complicated and time-consuming.
The invention provides a switching power supply with waterproof and heat dissipation functions, which specifically comprises: a power supply housing; bolts are respectively connected to two sides of the outer part of the power supply shell, and a semiconductor refrigerating sheet is arranged on one side of the power supply shell; the semiconductor refrigerating sheet is positioned at the interval part between the outer radiator and the inner radiator; one end of the power supply shell is connected with a sealing cover, the outside of the sealing cover is connected with a limiting column block, and the limiting column block is connected with the power supply shell; the power supply shell is externally sleeved with a movable square sleeve, and the movable square sleeve is contacted with the limiting column block.
Further, the power supply shell comprises a shell A and a shell B, one end of the shell B is slidably connected in the shell A, an assembly groove B is formed in the outer side of one end of the shell B, a sealing ring A is installed in the assembly groove B and is in sliding contact with the inner wall of the shell A, and air holes are formed in the outer side of the shell A.
Further, a first lug is respectively arranged on two opposite outer sides of the shell A, a connecting hole A is formed in the first lug, a threaded hole is formed in the connecting hole A, a second lug is respectively arranged on two opposite outer sides of the shell B, a connecting hole B is formed in the second lug, the positions of the connecting hole A and the connecting hole B on the same side correspond to each other, two ends of one bolt penetrate through the connecting hole A and the connecting hole B on the same side respectively and are in threaded connection with the connecting hole A, two ends of the other bolt penetrate through the connecting hole A and the connecting hole B on the other side respectively and are in threaded connection with the connecting hole A, two nuts are in threaded connection with the outer part of each bolt respectively, the two nuts are located on two opposite sides of the same first lug respectively, the connecting position of the shell A and the shell B can be adjusted in a sliding mode according to the specifications of the circuit board, the inner volume of the power supply shell is changed, and the requirements of circuit boards with different specifications are met.
Further, a through hole is formed in one side of the shell A, the semiconductor refrigerating sheet is located in the through hole, one side of the semiconductor refrigerating sheet, which generates heat, faces the outside of the shell A, and one side of the semiconductor refrigerating sheet, which generates heat, faces the inside of the shell A.
Further, an assembly groove A is formed in the outer side of the shell A, a sealing ring B is installed in the assembly groove A, one side of the sealing ring B is contacted with an outer radiator, the outer radiator is attached to one side of the semiconductor refrigerating sheet, which heats, a heat conducting paste is smeared at the attaching position of the outer radiator and the semiconductor refrigerating sheet, and a waterproof fan is installed on one side of the outer radiator.
Further, the inner radiator is attached to one side of the semiconductor refrigerating sheet, the heat conducting paste is smeared at the attaching part of the inner radiator and the semiconductor refrigerating sheet, the inner fan is arranged on one side of the inner radiator, the outer radiator conducts heat to the semiconductor refrigerating sheet, heat is released into the air through the waterproof fan, the inner radiator conducts cold to the semiconductor refrigerating sheet, and cold air is blown into the power supply shell through the inner fan to cool electronic components in the power supply shell.
Further, sealed lid grafting is in casing B one end, and sealed outside cover is equipped with sealing washer C, and sealing washer C contacts with casing B inboard, and casing B both sides are equipped with spacing hole respectively, and sealed both sides are equipped with the spacing groove respectively, and the spacing groove is linked together with spacing hole, and spacing post piece is pegged graft in spacing hole and spacing inslot, and spacing post piece length is spacing hole and spacing groove depth sum, and when sealed lid grafting in casing B one end, sealing washer C contacts with casing B inboard, seals sealed lid and casing B contact position through sealing washer C.
Further, the movable square sleeve is slidably connected to the outer side of the shell B, limiting protruding blocks are respectively arranged on two sides of the shell B, movable sliding holes are respectively formed in two sides of the movable square sleeve, the limiting protruding blocks are slidably connected to the movable sliding holes, the inner side of the movable square sleeve is in contact with the limiting column blocks, the movable square sleeve is matched with the movable sliding holes through the limiting protruding blocks, the limiting effect on the movable square sleeve is achieved, and the movable square sleeve is prevented from being separated from the shell B.
Further, a spring is sleeved outside the shell B, one end of the spring is in contact with the movable square sleeve, and the other end of the spring is in contact with the outer side of the shell B.
Advantageous effects
1. According to the invention, the connection part of the shell A and the shell B can be slidingly regulated according to the specification of the circuit board, the internal volume of the power supply shell is changed, the requirements for the application of circuit boards with different specifications are better met, the universality is strong, the connection part of the shell A and the shell B is sealed through the sealing ring A, air enters and exits through the air holes, the smoothness of sliding regulation is ensured, after the connection part of the shell A and the shell B is slidingly regulated, two nuts outside the bolts are screwed, the two nuts are contacted with the shell A, the fixing effect on the connection part of the shell A and the shell B is achieved through the bolts and the nuts, and the stability of the state of the power supply shell is ensured; the outer radiator conducts heat to the semiconductor refrigerating sheet, heat is released into the air through the waterproof fan, the inner radiator conducts cold to the semiconductor refrigerating sheet, the inner fan blows cold air into the power supply shell, electronic components in the power supply shell are cooled, the LED switch power supply operation effect is guaranteed, the through hole part is sealed through the sealing ring B, the power supply shell is designed to be sealed, the problem that traditional ventilation and heat dissipation waterproof performance is poor is effectively solved, and the waterproof performance of the LED switch power supply is guaranteed.
2. When the sealing cover is inserted into one end of the shell B, the sealing ring C is in contact with the inner side of the shell B, the contact part of the sealing cover and the shell B is sealed through the sealing ring C, meanwhile, the limiting groove is communicated with the limiting hole, the limiting column block is inserted into the limiting hole and the limiting groove in the communicated state, and the sealing cover and the shell B are fixed together through the limiting column block, so that the operation is simpler and more convenient; when the spacing post piece is pegged graft behind the spacing hole and the spacing groove of intercommunication state, the activity side cover is moved under the influence of spring thrust, make activity side cover inboard and spacing post piece contact, prevent spacing post piece from falling out in spacing hole and the spacing groove, guarantee spacing post piece is fixed effect to sealed lid and casing B, when need overhauling LED switching power supply inside electronic components, only need reverse removal activity side cover, make activity side cover and spacing post piece separation, take out spacing post piece from spacing hole and spacing inslot, can separate sealed lid and power supply housing, take out power supply housing inside circuit board, overhaul the replacement to impaired electronic components on the circuit board, make LED switching power supply overhaul and maintain more portably.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic diagram of the overall axial side structure of a switching power supply with waterproof and heat dissipation functions according to an embodiment of the present invention;
fig. 2 is a schematic view of another overall angular axis side structure of a switching power supply with waterproof and heat dissipation functions according to an embodiment of the present invention;
fig. 3 is a schematic view of a power supply housing shaft side structure of a switching power supply having waterproof and heat dissipation functions according to an embodiment of the present invention;
fig. 4 is a schematic diagram showing a cross-sectional connection structure of a case a and a case B of a switching power supply having waterproof and heat dissipation functions according to an embodiment of the present invention;
fig. 5 is a schematic view of a housing a-axis side structure of a switching power supply having waterproof and heat dissipation functions according to an embodiment of the present invention;
fig. 6 is a schematic diagram showing a connection structure between a casing B and a sealing cover of a switching power supply having waterproof and heat dissipation functions according to an embodiment of the present invention;
fig. 7 is a schematic diagram showing a structure of a case B and a sealing cover of a switching power supply with waterproof and heat dissipation functions according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a movable square sleeve shaft side structure of a switching power supply with waterproof and heat dissipation functions according to an embodiment of the present invention.
List of reference numerals
1. A power supply housing; 101. a housing A; 1011. a through hole; 1012. an assembly groove A; 103. a connecting hole A; 104. air holes; 102. a housing B; 1021. an assembly groove B; 1022. a connecting hole B; 1023. a limiting hole; 1024. a limit bump; 3. a sealing ring A; 4. a bolt; 5. a nut; 6. a semiconductor refrigeration sheet; 7. an outer heat sink; 8. a waterproof fan; 9. a sealing ring B; 10. an inner radiator; 11. an inner fan; 12. sealing cover; 1201. a limit groove; 13. a sealing ring C; 14. limiting column blocks; 15. a movable square sleeve; 1501. a movable slide hole; 16. and (3) a spring.
Detailed Description
Embodiment one: please refer to fig. 1 to 8:
the invention provides a switching power supply with waterproof and heat dissipation functions, which comprises a power supply shell 1; the power supply shell 1 consists of a shell A101 and a shell B102, one end of the shell B102 is connected in the shell A101 in a sliding way, an assembly groove B1021 is formed in the outer side of one end of the shell B102, a sealing ring A3 is installed in the assembly groove B1021, the sealing ring A3 is in sliding contact with the inner wall of the shell A101, and an air hole 104 is formed in the outer side of the shell A101; bolts 4 are respectively connected to two sides of the outer part of the power supply shell 1, and a semiconductor refrigerating sheet 6 is arranged on one side of the power supply shell 1; two opposite outer sides of the shell A101 are respectively provided with a first lug, the first lug is provided with a connecting hole A103, the connecting hole A103 is a threaded hole, two opposite outer sides of the shell B102 are respectively provided with a second lug, the second lug is provided with a connecting hole B1022, and the positions of the connecting hole A103 and the connecting hole B1022 on the same side correspond to each other. Two ends of one bolt 4 are respectively penetrated into the connecting hole A103 and the connecting hole B1022 on the same side and are in threaded connection with the connecting hole A103 on the same side, two ends of the other bolt 4 are respectively penetrated into the connecting hole A103 and the connecting hole B1022 on the other side and are in threaded connection with the connecting hole A103 on the same side, two nuts 5 are respectively in threaded connection with the outer part of each bolt 4, and the two nuts 5 are respectively positioned on two opposite sides of the same first lug. As shown in fig. 2 and 3, one end of the bolt 4 is provided with a nut, the other end of the bolt 4 penetrates through the connecting hole B1022, then penetrates through one nut 5 and then penetrates through the connecting hole a103, then penetrates through the other nut 5, the connecting part of the shell a101 and the shell B102 can be slidably adjusted according to the specification of the circuit board, the internal volume of the power supply shell 1 is changed, the requirements of circuit boards with different specifications are better met, universality is strong, the connecting part of the shell a101 and the shell B102 is sealed through the sealing ring A3, air enters and exits through the air hole 104, smoothness of sliding adjustment is guaranteed, after the connecting part of the shell a101 and the shell B102 is slidably adjusted, two nuts 5 outside the bolt 4 are screwed, the two nuts 5 are contacted with the shell a101, further, the two nuts 5 are contacted with the first lugs, the fixing effect of the connecting part of the shell a101 and the shell B102 is achieved through the bolt 4 and the nuts 5, and the stability of the state of the power supply shell 1 is guaranteed; the outer side of the power supply shell 1 is fixedly connected with an outer radiator 7, the inner side of the power supply shell 1 is fixedly connected with an inner radiator 10, and the semiconductor refrigerating sheet 6 is positioned at the interval part between the outer radiator 7 and the inner radiator 10; one end of the power supply shell 1 is connected with a sealing cover 12, a limiting column block 14 is connected to the outside of the sealing cover 12, and the limiting column block 14 is connected with the power supply shell 1; the outside of the power supply shell 1 is sleeved with a movable square sleeve 15, and the movable square sleeve 15 is contacted with the limiting column block 14.
Wherein, a through hole 1011 is arranged on one side of the shell A101, the semiconductor refrigerating sheet 6 is positioned in the through hole 1011, one side of the semiconductor refrigerating sheet 6 which generates heat faces to the outside of the shell A101, one side of the semiconductor refrigerating sheet 6 which generates heat faces to the inside of the shell A101, an assembly groove A1012 is arranged on the outside of the shell A101, a sealing ring B9 is arranged in the assembly groove A1012, one side of the sealing ring B9 contacts with the outer radiator 7, the outer radiator 7 is adhered to one side of the semiconductor refrigerating sheet 6 which generates heat, the joint part of the outer radiator 7 and the semiconductor refrigerating sheet 6 is smeared with heat conducting paste, one side of the outer radiator 7 is provided with a waterproof fan 8, one side of the inner radiator 10 is adhered to one side of the semiconductor refrigerating sheet 6 which generates heat, one side of the inner radiator 10 and the semiconductor refrigerating sheet 6 are smeared with heat conducting paste, and one side of the inner radiator 10 is provided with an inner fan 11;
by adopting the technical scheme, the outer radiator 7 conducts heat to the semiconductor refrigerating sheet 6, heat is released into the air through the waterproof fan 8, the inner radiator 10 conducts cold to the semiconductor refrigerating sheet 6, cold air is blown into the power supply shell 1 through the inner fan 11, electronic components in the power supply shell 1 are cooled, the operation effect of the LED switch power supply is guaranteed, the through hole 1011 is sealed through the sealing ring B9, the power supply shell 1 is designed to be sealed, the problem that the traditional ventilation and heat dissipation are poor in waterproof property is effectively solved, and the waterproof property of the LED switch power supply is guaranteed.
The sealing cover 12 is inserted into one end of the shell B102, a sealing ring C13 is sleeved outside the sealing cover 12, the sealing ring C13 is contacted with the inner side of the shell B102, two sides of the shell B102 are respectively provided with a limiting hole 1023, two sides of the sealing cover 12 are respectively provided with a limiting groove 1201, the limiting grooves 1201 are communicated with the limiting holes 1023, the limiting column blocks 14 are inserted into the limiting holes 1023 and the limiting grooves 1201, and the length of the limiting column blocks 14 is the sum of the depths of the limiting holes 1023 and the limiting grooves 1201;
by adopting the technical scheme, when the sealing cover 12 is inserted into one end of the shell B102, the sealing ring C13 contacts with the inner side of the shell B102, the contact part of the sealing cover 12 and the shell B102 is sealed through the sealing ring C13, meanwhile, the limiting groove 1201 is communicated with the limiting hole 1023, the limiting post block 14 is inserted into the limiting hole 1023 and the limiting groove 1201 in the communicated state, and the sealing cover 12 and the shell B102 are fixed together through the limiting post block 14, so that the operation is simpler and more convenient.
Example two
The movable square sleeve 15 is in sliding connection with the outer side of the shell B102, limiting projections 1024 are respectively arranged on two sides of the shell B102, movable sliding holes 1501 are respectively arranged on two sides of the movable square sleeve 15, the limiting projections 1024 are in sliding connection with the movable sliding holes 1501, the inner side of the movable square sleeve 15 is contacted with the limiting column block 14, a spring 16 is sleeved outside the shell B102, one end of the spring 16 is contacted with the movable square sleeve 15, and the other end of the spring 16 is contacted with the outer side of the shell B102;
by adopting the technical scheme, the spacing effect of the movable square sleeve 15 is achieved through the cooperation of the spacing convex blocks 1024 and the movable sliding holes 1501, the movable square sleeve 15 is prevented from being separated from the shell B102, when the spacing column block 14 is inserted into the spacing holes 1023 and the spacing grooves 1201 in the communicated state, the movable square sleeve 15 moves under the influence of the thrust of the springs 16, the inner side of the movable square sleeve 15 contacts with the spacing column block 14, the spacing column block 14 is prevented from falling out of the spacing holes 1023 and the spacing grooves 1201, the fixing effect of the spacing column block 14 on the sealing cover 12 and the shell B102 is ensured, when the electronic components in the LED switch power supply are required to be overhauled, only the movable square sleeve 15 is required to be moved reversely, the movable square sleeve 15 is prevented from being separated from the spacing column block 14, the spacing column block 14 is taken out from the spacing holes 1023 and the spacing grooves 1201, the sealing cover 12 can be separated from the power supply shell 1, the internal circuit board of the power supply shell 1 is taken out, and the damaged electronic components on the circuit board are overhauled and replaced, so that the maintenance of the LED switch power supply is simpler and more convenient.
Specific use and action of the embodiment: according to the invention, the connection part of the shell A101 and the shell B102 is firstly subjected to sliding adjustment according to the required specification of the circuit board, so that the internal volume of the power supply shell 1 is changed, and the requirements of circuit board application with different specifications are better met; the sealing ring A3 seals the connection part of the shell A101 and the shell B102, and air enters and exits through the air holes 104, so that the smoothness of sliding adjustment is ensured; after the connection part of the shell A101 and the shell B102 is completely adjusted in a sliding way, two nuts 5 outside the bolt 4 are screwed, so that the two nuts 5 are contacted with the shell A101, and the effect of fixing the connection part of the shell A101 and the shell B102 is achieved through the bolt 4 and the nuts 5; then, the outer radiator 7 conducts heat to the semiconductor refrigerating sheet 6, the waterproof fan 8 releases heat to the air, the inner radiator 10 conducts cold to the semiconductor refrigerating sheet 6, the inner fan 11 blows cold air into the power supply shell 1 to cool electronic components in the power supply shell 1, the operation effect of the LED switch power supply is guaranteed, the through hole 1011 is sealed through the sealing ring B9, and the sealing waterproof property in the power supply shell 1 is guaranteed; when the sealing cover 12 is inserted into one end of the shell B102, the sealing ring C13 contacts with the inner side of the shell B102, and the contact part between the sealing cover 12 and the shell B102 is sealed through the sealing ring C13; meanwhile, the limiting groove 1201 is communicated with the limiting hole 1023, the limiting column block 14 is inserted into the limiting hole 1023 and the limiting groove 1201 in a communicating state, the movable square sleeve 15 moves under the influence of the thrust of the spring 16, so that the inner side of the movable square sleeve 15 is contacted with the limiting column block 14, the limiting column block 14 is prevented from falling out of the limiting hole 1023 and the limiting groove 1201, and the fixing effect of the limiting column block 14 on the sealing cover 12 and the shell B102 is ensured; when the electronic components in the LED switch power supply are required to be overhauled, the movable square sleeve 15 is only required to be moved reversely, so that the movable square sleeve 15 is separated from the limiting column block 14, the limiting column block 14 is taken out from the limiting hole 1023 and the limiting groove 1201, the sealing cover 12 can be separated from the power supply shell 1, the circuit board in the power supply shell 1 is taken out, and the damaged electronic components on the circuit board are overhauled and replaced.
Claims (6)
1. The switching power supply with waterproof and heat dissipation functions is characterized by comprising a power supply shell (1); bolts (4) are respectively connected to two sides of the outside of the power supply shell (1), and a semiconductor refrigerating sheet (6) is arranged on one side of the power supply shell (1); an outer radiator (7) is fixedly connected to the outer side of the power supply shell (1), an inner radiator (10) is fixedly connected to the inner side of the power supply shell (1), and the semiconductor refrigerating sheet (6) is positioned at the interval part between the outer radiator (7) and the inner radiator (10); one end of the power supply shell (1) is connected with a sealing cover (12), a limiting column block (14) is connected to the outside of the sealing cover (12), and the limiting column block (14) is connected with the power supply shell (1); the outside of the power supply shell (1) is sleeved with a movable square sleeve (15), and the movable square sleeve (15) is contacted with the limit column block (14);
the power supply shell (1) consists of a shell A (101) and a shell B (102), one end of the shell B (102) is connected in the shell A (101) in a sliding manner, an assembly groove B (1021) is formed in the outer side of one end of the shell B (102), a sealing ring A (3) is arranged in the assembly groove B (1021), the sealing ring A (3) is in sliding contact with the inner wall of the shell A (101), and an air hole (104) is formed in the outer side of the shell A (101);
an assembly groove A (1012) is formed in the outer side of the shell A (101), a sealing ring B (9) is arranged in the assembly groove A (1012), one side of the sealing ring B (9) is contacted with an outer radiator (7), the outer radiator (7) is attached to one side of the semiconductor refrigerating sheet (6) which heats, heat conducting paste is smeared at the attaching part of the outer radiator (7) and the semiconductor refrigerating sheet (6), and a waterproof fan (8) is arranged on one side of the outer radiator (7);
the outside of the shell B (102) is sleeved with a spring (16), one end of the spring (16) is contacted with the movable square sleeve (15), and the other end of the spring (16) is contacted with the outer side of the shell B (102).
2. A switching power supply having waterproof and heat dissipation functions as set forth in claim 1, wherein: the shell A (101) is characterized in that two opposite outer sides of the shell A (101) are respectively provided with a first lug, a connecting hole A (103) is formed in the first lug, the connecting hole A (103) is a threaded hole, two opposite outer sides of the shell B (102) are respectively provided with a second lug, a connecting hole B (1022) is formed in the second lug, the positions of the connecting hole A (103) and the connecting hole B (1022) on the same side correspond to each other, two ends of one bolt (4) are respectively penetrated into the connecting hole A (103) and the connecting hole B (1022) on the same side and are in threaded connection with the connecting hole A (103), two ends of the other bolt (4) are respectively penetrated into the connecting hole A (103) and the connecting hole B (1022) on the other side and are in threaded connection with the connecting hole A (103), two nuts (5) are respectively screwed on the outer sides of each bolt (4), and the two nuts (5) are respectively located on two opposite sides of the same first lug.
3. A switching power supply having waterproof and heat dissipation functions as set forth in claim 1, wherein: a through hole (1011) is formed in one side of the shell A (101), the semiconductor refrigerating sheet (6) is positioned in the through hole (1011), one side of the semiconductor refrigerating sheet (6) which generates heat faces the outside of the shell A (101), and one side of the semiconductor refrigerating sheet (6) which generates heat faces the inside of the shell A (101).
4. A switching power supply having waterproof and heat dissipation functions as set forth in claim 1, wherein: the inner radiator (10) is attached to one side of the semiconductor refrigerating sheet (6) for refrigerating, heat conduction paste is smeared at the attaching part of the inner radiator (10) and the semiconductor refrigerating sheet (6), and an inner fan (11) is arranged on one side of the inner radiator (10).
5. A switching power supply having waterproof and heat dissipation functions as set forth in claim 1, wherein: sealing cover (12) are pegged graft in casing B (102) one end, and sealing cover (12) outside cover is equipped with sealing washer C (13), and sealing washer C (13) are contacted with casing B (102) inboard, and casing B (102) both sides are equipped with spacing hole (1023) respectively, and sealing cover (12) both sides are equipped with spacing groove (1201) respectively, and spacing groove (1201) are linked together with spacing hole (1023), and spacing post piece (14) are pegged graft in spacing hole (1023) and spacing groove (1201), and spacing post piece (14) length is spacing hole (1023) and spacing groove (1201) degree of depth sum.
6. A switching power supply having waterproof and heat dissipation functions as set forth in claim 1, wherein: the movable square sleeve (15) is slidably connected to the outer side of the shell B (102), limiting protruding blocks (1024) are respectively arranged on two sides of the shell B (102), movable sliding holes (1501) are respectively formed in two sides of the movable square sleeve (15), the limiting protruding blocks (1024) are slidably connected to the movable sliding holes (1501), and the inner side of the movable square sleeve (15) is in contact with the limiting column blocks (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311130922.XA CN116885925B (en) | 2023-09-04 | 2023-09-04 | Switch power supply with waterproof and heat dissipation functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311130922.XA CN116885925B (en) | 2023-09-04 | 2023-09-04 | Switch power supply with waterproof and heat dissipation functions |
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| CN116885925A CN116885925A (en) | 2023-10-13 |
| CN116885925B true CN116885925B (en) | 2023-11-17 |
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| CN218868563U (en) * | 2022-08-30 | 2023-04-14 | 田赞辉 | Switching power supply heat abstractor |
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|---|---|
| CN116885925A (en) | 2023-10-13 |
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