CN212182099U - Novel high-frequency transformer - Google Patents
Novel high-frequency transformer Download PDFInfo
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- CN212182099U CN212182099U CN202021064683.4U CN202021064683U CN212182099U CN 212182099 U CN212182099 U CN 212182099U CN 202021064683 U CN202021064683 U CN 202021064683U CN 212182099 U CN212182099 U CN 212182099U
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- frequency transformer
- ventilation hole
- iron core
- sides
- box body
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005253 cladding Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a novel high-frequency transformer, including the high-frequency transformer body, first fixing base and second fixing base are installed respectively to the inside top and the bottom both sides of high-frequency transformer body, install first iron core between two liang of neighbours of first fixing base, be provided with the high voltage winding coil on the first iron core, install the second iron core between two liang of neighbours of second fixing base, be provided with the low voltage winding coil on the second iron core, the internally mounted of high-frequency transformer body has the baffle, and the baffle is located between first iron core and the second iron core, the outer wall cladding of high-frequency transformer body has protective housing, high-voltage terminal and low voltage terminal are installed respectively to protective housing's top both sides. The utility model solves the problem of poor heat dissipation effect of the existing high-frequency transformer; the utility model discloses the radiating effect is good, and vary voltage operating efficiency is high, long service life, and the practicality is strong.
Description
Technical Field
The utility model relates to a high frequency transformer technical field specifically is a novel high frequency transformer.
Background
The high-frequency transformer is the most important component of the switching power supply. There are many topologies in switching power supplies. For example, in a half-bridge power conversion circuit, two switching transistors are conducted in turn to generate a high-frequency pulse wave of 100kHz during operation, then a high-frequency transformer transforms the voltage and outputs alternating current, and the turn ratio of each winding coil of the high-frequency transformer determines the output voltage. The most prominent of typical half-bridge transformation circuits are three high-frequency transformers: the transformer comprises a main transformer, a driving transformer and an auxiliary transformer (standby transformer), wherein each transformer has a respective standard in national regulations, for example, the diameter (height) of a magnetic core of the main transformer is not less than 35mm as long as the power supply is more than 200W. And the auxiliary transformer is enough when the power supply power does not exceed 300W, and the diameter of a magnetic core of the auxiliary transformer reaches 16 mm.
However, the existing high-frequency transformer has poor heat dissipation effect, the transformer works all the year round, a large amount of heat can be generated by continuous working all the year round, particularly in summer, the outdoor temperature is high, the transformer is installed outdoors, the temperature of the transformer is overhigh, the normal work of the transformer is influenced, if the temperature of the transformer is overhigh, the coil of the transformer is unfavorable, the coil is easy to age, the service life of the coil is shortened, and fire hazard exists when the temperature of the transformer is overhigh; therefore, the existing use requirements are not satisfied.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel high frequency transformer to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel high-frequency transformer comprises a high-frequency transformer body, wherein a first fixing seat and a second fixing seat are respectively installed on the top end and the bottom end of the interior of the high-frequency transformer body, a first iron core is installed between every two adjacent first fixing seats, a high-voltage winding coil is arranged on the first iron core, a second iron core is installed between every two adjacent second fixing seats, a low-voltage winding coil is arranged on the second iron core, a partition board is installed inside the high-frequency transformer body and is positioned between the first iron core and the second iron core, the outer wall of the high-frequency transformer body is wrapped by a protective shell, high-voltage binding posts and low-voltage binding posts are respectively installed on two sides of the top of the protective shell, first box bodies are installed on the outer walls of two sides of the protective shell, a plate-type air primary filter screen and a hollow rectangular plate, the plate-type air primary filter screen is positioned on one side of the hollow rectangular plate, two ends of the plate-type air primary filter screen are arranged in a U-shaped groove on a U-shaped clamping plate, outer walls of two ends of the plate-type air primary filter screen are in clearance connection with the wall of the U-shaped groove on the U-shaped clamping plate, lugs are arranged at the top end and the bottom end of the hollow rectangular plate, the other ends of the lugs are arranged in the U-shaped groove on the U-shaped clamping plate, the outer wall of each lug is in clearance connection with the wall of the U-shaped groove on the U-shaped clamping plate, the U-shaped clamping plate is arranged at the top end and the bottom end of the interior of the first box body, a shutter is arranged at the central position of the outer wall on one side of the first box body, a third ventilation hole is arranged at the central position of the outer wall on the other side of the first box body, second ventilation, the bottom central point of protective housing puts and installs the second box, the internally mounted of second box has cooling fan, the top and the bottom central point of second box put and have seted up fifth ventilation hole and sixth ventilation hole respectively, the bottom central point of protective housing puts and has seted up fourth ventilation hole, the louvre has all been seted up to the bottom both sides of high frequency transformer body.
Preferably, the first vent hole, the second vent hole and the third vent hole are communicated with each other, and horizontal center lines of the first vent hole, the second vent hole and the third vent hole are overlapped with each other.
Preferably, the heat dissipation hole, the fourth ventilation hole, the fifth ventilation hole and the sixth ventilation hole are communicated with each other.
Preferably, the inside of cavity rectangular plate is filled with dry granule of silica gel, the exhaust vent has all been seted up to the both sides outer wall of cavity rectangular plate.
Preferably, the front end face of the first box body is provided with a first sealing door, one side of the front end face of the first sealing door is provided with a first safety lock, the front end face of the second box body is provided with a second sealing door, and the front end face of the second sealing door is provided with a second safety lock.
Preferably, the installation seats are installed on two sides of the bottom of the protection shell, and the bottom surfaces of the installation seats are provided with fixing holes.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation setting of a series of structures, the heat dissipation fan work for outside air enters into the inside of high frequency transformer body from rain-proof shutter, third ventilation hole, second ventilation hole and first ventilation hole in proper order, flows out to the outside from louvre, fourth ventilation hole, fifth ventilation hole and sixth through-hole in proper order at last, has strengthened the inside circulation of air of high frequency transformer, thereby makes a large amount of heats that the high frequency transformer body produced when using for a long time can in time distribute, thereby has increased the life of high frequency transformer body; through the arrangement of the plate-type primary air filter screen, dust in the external air can be filtered, and the dust in the external air is prevented from entering the high-frequency transformer body; through the arrangement of the silica gel drying particles filled in the hollow rectangular plate, moisture in the external air can be dried, and the moisture in the external air is prevented from entering the high-frequency transformer body; the utility model discloses the radiating effect is good, and vary voltage operating efficiency is high, long service life, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the hollow rectangular plate of the present invention;
FIG. 3 is a front view of the first case of the present invention;
FIG. 4 is a front view of the second housing of the present invention;
fig. 5 is a schematic structural view of the U-shaped clamp of the present invention.
In the figure: 1. a protective housing; 2. a first fixed seat; 3. a first iron core; 4. a high voltage winding coil; 5. a high-voltage wiring terminal; 6. a partition plate; 7. a low-voltage wiring terminal; 8. a low voltage winding coil; 9. a second iron core; 10. a second fixed seat; 11. a high-frequency transformer body; 12. a U-shaped clamping plate; 13. a plate-type primary air filter screen; 14. a rain-proof shutter; 15. a hollow rectangular plate; 16. a first case; 17. a first vent hole; 18. a second vent hole; 19. a third vent hole; 20. a bump; 21. heat dissipation holes; 22. a fixing hole; 23. a fourth vent hole; 24. a fifth vent hole; 25. a heat radiation fan; 26. a sixth vent hole; 27. a second case; 28. a mounting seat; 29. a first sealing door; 30. a first safety lock; 31. a second sealing door; 32. a second safety lock; 33. drying the silica gel particles; 34. and (4) an air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides an embodiment: a novel high-frequency transformer comprises a high-frequency transformer body 11, wherein a first fixed seat 2 and a second fixed seat 10 are respectively arranged at the top end and the bottom end of the interior of the high-frequency transformer body 11, a first iron core 3 is arranged between every two adjacent first fixed seats 2, a high-voltage winding coil 4 is arranged on the first iron core 3, a second iron core 9 is arranged between every two adjacent second fixed seats 10, a low-voltage winding coil 8 is arranged on the second iron core 9, a partition plate 6 is arranged in the high-frequency transformer body 11, the partition plate 6 is positioned between the first iron core 3 and the second iron core 9, the outer wall of the high-frequency transformer body 11 is wrapped with a protective shell 1, high-voltage terminals 5 and low-voltage terminals 7 are respectively arranged at the two sides of the top of the protective shell 1, first box bodies 16 are respectively arranged on the outer walls of the two sides of the protective shell 1, a plate, the plate-type air primary filter screen 13 is positioned at one side of the hollow rectangular plate 15, two ends of the plate-type air primary filter screen 13 are both arranged in a U-shaped groove on the U-shaped clamping plate 12, outer walls at two ends of the plate-type air primary filter screen 13 are both in clearance connection with a groove wall of the U-shaped groove on the U-shaped clamping plate 12, the top end and the bottom end of the hollow rectangular plate 15 are both provided with a lug 20, the other end of the lug 20 is arranged in the U-shaped groove on the U-shaped clamping plate 12, the outer wall of the lug 20 is in clearance connection with the groove wall of the U-shaped groove on the U-shaped clamping plate 12, the U-shaped clamping plate 12 is arranged at the top end and the bottom end of the inside of the first box body 16, the central position of the outer wall at one side of the first box body 16 is provided with a rainproof shutter 14, the central position of the outer wall at the other side of the first box, a second box body 27 is arranged at the center of the bottom of the protective shell 1, a heat radiation fan 25 is arranged in the second box body 27, a fifth ventilation hole 24 and a sixth ventilation hole 26 are respectively arranged at the top and the center of the bottom of the second box body 27, a fourth ventilation hole 23 is arranged at the center of the bottom of the protective shell 1, heat radiation holes 21 are respectively arranged at two sides of the bottom of the high-frequency transformer body 11, the first ventilation hole 17, the second ventilation hole 18 and the third ventilation hole 19 are communicated with each other, horizontal center lines among the first ventilation hole 17, the second ventilation hole 18 and the third ventilation hole 19 are superposed with each other, the heat radiation holes 21, the fourth ventilation hole 23, the fifth ventilation hole 24 and the sixth ventilation hole 26 are communicated with each other, silica gel dry particles 33 are filled in the hollow rectangular plate 15, air outlet holes 34 are respectively arranged on the outer walls at two sides of the hollow rectangular plate 15, a first sealing door 29 is arranged on the front end surface of the first box body 16, a first safety lock 30 is arranged on one side of the front end face of the first sealing door 29, a second sealing door 31 is arranged on the front end face of the second box body 27, a second safety lock 32 is arranged on the front end face of the second sealing door 31, mounting seats 28 are mounted on two sides of the bottom of the protective shell 1, and fixing holes 22 are formed in the surface of the bottom of the mounting seats 28.
The working principle is as follows: the utility model discloses a cooperation setting of a series of structures, cooling fan 25 work for outside air gets into the inside of high frequency transformer body 11 from rain-proof shutter 14, third ventilation hole 19, second ventilation hole 18 and first ventilation hole 17 in proper order, flows out to the outside from louvre 21, fourth ventilation hole 23, fifth ventilation hole 24 and sixth through-hole in proper order at last, has strengthened the inside circulation of air of high frequency transformer, thereby make a large amount of heats that high frequency transformer body 11 produced when using for a long time can in time distribute, thereby increased the life of high frequency transformer body 11; through the arrangement of the plate-type primary air filter screen 13, dust in the external air can be filtered, so that the dust in the external air is prevented from entering the high-frequency transformer body 11; through the arrangement of the silica gel drying particles 33 filled in the hollow rectangular plate 15, moisture in the external air can be dried, and the moisture in the external air is prevented from entering the high-frequency transformer body 11; the utility model discloses the radiating effect is good, and vary voltage operating efficiency is high, long service life, and the practicality is strong.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A novel high-frequency transformer comprises a high-frequency transformer body (11), and is characterized in that: the transformer comprises a high-frequency transformer body (11), wherein a first fixing seat (2) and a second fixing seat (10) are respectively installed on the top end and the bottom end of the inside of the high-frequency transformer body (11), a first iron core (3) is installed between every two adjacent first fixing seats (2), a high-voltage winding coil (4) is arranged on each first iron core (3), a second iron core (9) is installed between every two adjacent second fixing seats (10), a low-voltage winding coil (8) is arranged on each second iron core (9), a partition board (6) is installed inside the high-frequency transformer body (11), the partition board (6) is located between each first iron core (3) and each second iron core (9), a protective shell (1) covers the outer wall of the high-frequency transformer body (11), and high-voltage binding posts (5) and low-voltage binding posts (7) are respectively installed on the two sides, the protective casing is characterized in that first box bodies (16) are respectively installed on the outer walls of the two sides of the protective casing (1), plate-type air primary filter screens (13) and hollow rectangular plates (15) are installed inside the first box bodies (16), the plate-type air primary filter screens (13) are located on one sides of the hollow rectangular plates (15), the two ends of the plate-type air primary filter screens (13) are respectively installed in U-shaped grooves in the U-shaped clamping plates (12), the outer walls of the two ends of the plate-type air primary filter screens (13) are respectively in clearance connection with the wall of the U-shaped grooves in the U-shaped clamping plates (12), lugs (20) are respectively installed at the top end and the bottom end of each hollow rectangular plate (15), the other ends of the lugs (20) are installed in the U-shaped grooves in the U-shaped clamping plates (12), the outer walls of the lugs (20) are in clearance connection with the wall of the U-shaped grooves in the U-shaped clamping plates (12), and, a rainproof shutter (14) is arranged at the central position of the outer wall at one side of the first box body (16), a third ventilation hole (19) is arranged at the central position of the outer wall of the other side of the first box body (16), the center positions of the outer walls of the two sides of the protective shell (1) are both provided with second ventilation holes (18), the center positions of the outer walls of the two sides of the high-frequency transformer body (11) are both provided with first vent holes (17), a second box body (27) is arranged at the center of the bottom of the protective shell (1), a heat radiation fan (25) is arranged in the second box body (27), a fifth ventilation hole (24) and a sixth ventilation hole (26) are respectively arranged at the center positions of the top and the bottom of the second box body (27), a fourth ventilation hole (23) is arranged at the center of the bottom of the protective shell (1), radiating holes (21) are formed in two sides of the bottom of the high-frequency transformer body (11).
2. The novel high-frequency transformer according to claim 1, characterized in that: the first ventilation hole (17), the second ventilation hole (18) and the third ventilation hole (19) are communicated with each other, and horizontal center lines of the first ventilation hole (17), the second ventilation hole (18) and the third ventilation hole (19) are overlapped with each other.
3. The novel high-frequency transformer according to claim 1, characterized in that: the heat dissipation hole (21), the fourth ventilation hole (23), the fifth ventilation hole (24) and the sixth ventilation hole (26) are communicated with each other.
4. The novel high-frequency transformer according to claim 1, characterized in that: the inside packing of cavity rectangular plate (15) has dry granule of silica gel (33), exhaust vent (34) have all been seted up to the both sides outer wall of cavity rectangular plate (15).
5. The novel high-frequency transformer according to claim 1, characterized in that: the front end face of the first box body (16) is provided with a first sealing door (29), one side of the front end face of the first sealing door (29) is provided with a first safety lock (30), the front end face of the second box body (27) is provided with a second sealing door (31), and the front end face of the second sealing door (31) is provided with a second safety lock (32).
6. The novel high-frequency transformer according to claim 1, characterized in that: mounting seats (28) are installed on two sides of the bottom of the protective shell (1), and fixing holes (22) are formed in the surface of the bottom of the mounting seats (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064683.4U CN212182099U (en) | 2020-06-11 | 2020-06-11 | Novel high-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021064683.4U CN212182099U (en) | 2020-06-11 | 2020-06-11 | Novel high-frequency transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212182099U true CN212182099U (en) | 2020-12-18 |
Family
ID=73760630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021064683.4U Expired - Fee Related CN212182099U (en) | 2020-06-11 | 2020-06-11 | Novel high-frequency transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212182099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908649A (en) * | 2021-02-06 | 2021-06-04 | 四川富美高电子有限公司 | Safe heat dissipation transformer |
| CN112951555A (en) * | 2021-02-06 | 2021-06-11 | 四川富美高电子有限公司 | Multi-stage coarse-fine continuous voltage-regulating rectifier transformer with third winding |
-
2020
- 2020-06-11 CN CN202021064683.4U patent/CN212182099U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908649A (en) * | 2021-02-06 | 2021-06-04 | 四川富美高电子有限公司 | Safe heat dissipation transformer |
| CN112951555A (en) * | 2021-02-06 | 2021-06-11 | 四川富美高电子有限公司 | Multi-stage coarse-fine continuous voltage-regulating rectifier transformer with third winding |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |