CN211628867U - High-frequency electronic transformer - Google Patents
High-frequency electronic transformer Download PDFInfo
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- CN211628867U CN211628867U CN202020433493.9U CN202020433493U CN211628867U CN 211628867 U CN211628867 U CN 211628867U CN 202020433493 U CN202020433493 U CN 202020433493U CN 211628867 U CN211628867 U CN 211628867U
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Abstract
The utility model discloses a high frequency electronic transformer relates to transformer technical field, for solving the relatively poor problem of current high frequency electronic transformer radiating effect. The inside of base is provided with heat dissipation mechanism, the top of heat dissipation mechanism is provided with the conducting strip, the semiconductor refrigeration piece is installed to the lower extreme of conducting strip, the lower extreme of semiconductor refrigeration piece is provided with the fin, be provided with heat conduction silicone grease between fin and the semiconductor refrigeration piece, the lower extreme that the base is located heat dissipation mechanism is provided with heat abstractor, the upper end of base is provided with shielding shell, the bottom of working chamber is provided with the center post, the outside of center post is provided with the magnetic core, the outside of magnetic core is provided with the winding, the both sides of base all are provided with the pin, the both sides of base lower extreme all are provided with the mount pad, the inside of mount pad is provided with the screw hole, install buffer spring between mount pad.
Description
Technical Field
The utility model relates to a transformer technical field specifically is a high frequency electronic transformer.
Background
The high-frequency transformer has working frequency of dozens of kilohertz to hundreds of kilohertz generally, the transformer uses a magnetic core, the main component of the magnetic core is manganese-zinc ferrite, the material has small eddy current in high frequency, low loss and high efficiency, so that at present, many power adapters of consumer electronic products and network products are all switching power supplies, and the internal high-frequency transformer is the most main component of the switching power supplies. The basic principle is that the input alternating current is firstly changed into direct current, then changed into high frequency through a triode or a field effect tube and the like, transformed through a high-frequency transformer, rectified again and output, and other control parts are added to stably output direct current voltage.
However, the internal heat of the existing high-frequency electronic transformer can be rapidly increased when the high-frequency electronic transformer works efficiently, particularly under a hot environment, the high-temperature working environment is easy to damage the inside, and a fire accident is caused seriously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high frequency electronic transformer to solve the relatively poor problem of high frequency electronic transformer radiating effect who provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-frequency electronic transformer comprises a base, wherein a heat dissipation mechanism is arranged inside the base, a heat conducting sheet is arranged at the top end of the heat dissipation mechanism, a semiconductor refrigerating sheet is installed at the lower end of the heat conducting sheet, a heat radiating sheet is arranged at the lower end of the semiconductor refrigerating sheet, heat conducting silicone grease is arranged between the heat radiating sheet and the semiconductor refrigerating sheet, a heat radiating device is arranged at the lower end of the base, a fan is installed inside the heat radiating device, a shielding shell is arranged at the upper end of the base, a working cavity is arranged inside the shielding shell, a central column is arranged at the bottom of the working cavity, a magnetic core is arranged outside the central column, a winding is arranged outside the magnetic core, pins are arranged on two sides of the base, a plurality of pins are arranged, one end of each pin is connected with the winding, and mounting seats, the inside of mount pad is provided with the screw hole, install buffer spring between mount pad and the base.
Preferably, the heat dissipation mechanism comprises a heat conducting fin, a semiconductor refrigeration piece, heat conducting silicone grease and a heat radiating fin, the heat conducting fin is attached to the central column, the semiconductor refrigeration piece and the heat radiating fin are connected through the heat conducting silicone grease in a sticking mode, the upper end of the semiconductor refrigeration piece is a cold end, and the lower end of the semiconductor refrigeration piece is a hot end.
Preferably, the heat dissipation device and the base are fixed through bolts, the lower ends of the radiating fins correspond to the heat dissipation device, and the fan is rotatably connected with the heat dissipation device.
Preferably, the shielding shell is hermetically connected with the upper end of the base.
Preferably, the buffer springs are provided with a plurality of buffer springs, and the buffer springs are fixedly connected with the mounting seat and the base.
Preferably, the mounting seat and the threaded hole are integrally formed, and the diameter of the threaded hole is eight millimeters.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a bottom at the magnetic core is provided with the center post, the center post is laminated with the heat dissipation mechanism of lower extreme mutually, and the center post is the metal material, has better heat conductivity, when the high-efficient work of transformer leads to inside heat to rise the formula fast, the heat conducts downwards through the center post, with heat transfer to the heat-conducting strip, through being provided with the semiconductor refrigeration piece in the below of heat-conducting strip, provide the energy that the electron flow needs by DC power supply, after the power is switched on, the electron negative pole is started, at first through P type semiconductor, here heat absorption capacity, reached N type semiconductor, emit the heat again, every time through an NP module, the heat is sent to the order outside and is caused the difference in temperature and form cold and hot end by one side, the cold and hot end comprises two potsherds respectively, the cold end will connect the heat source, thereby reach quick refrigeration radiating effect, and be provided with fin and heat abstractor at the, the effect of fan and fin in the heat abstractor is mainly the hot junction heat dissipation for the refrigeration piece for the difference in temperature in the semiconductor refrigeration piece cold and hot end reaches between 40 ~ 65 degrees, reduces the hot junction temperature through the radiating mode of initiative, and that cold junction temperature also can corresponding decline, thereby reaches lower temperature, thereby can cool down the working chamber fast, guarantees the high-efficient function of inside winding coil.
2. The utility model discloses an adopt the magnetic screen casing, the main material of shielding casing is iron-aluminum alloy, and iron-aluminum alloy material weight can reduce whole high frequency electronic transformer's weight lighter, and secondly the magnetic screen effect is better, and anti external disturbance ability is strong, ensures high frequency electronic transformer's normal work.
3. The utility model discloses an install a plurality of buffer spring between mount pad and base, when the device of installing takes place to rock or when vibrating, through buffer spring's elastic deformation, the deformation in-process can be alleviated rocking or the power that the vibration produced to protect whole high frequency electronic transformer, the protecting effect further promotes.
Drawings
FIG. 1 is an internal side view of the present invention;
fig. 2 is an interior elevation view of the present invention;
FIG. 3 is a schematic bottom structure of the present invention;
fig. 4 is a partially enlarged view of the area a of the present invention.
In the figure: 1. a base; 2. a shield case; 3. a magnetic core; 4. a winding; 5. a working chamber; 6. a pin; 7. a mounting seat; 8. a buffer spring; 9. a heat dissipation mechanism; 10. a semiconductor refrigeration sheet; 11. a heat sink; 12. a heat sink; 13. a fan; 14. a threaded hole; 15. a central column; 16. a heat conductive sheet; 17. and (3) heat-conducting silicone grease.
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.
Referring to fig. 1-4, the present invention provides an embodiment: a high-frequency electronic transformer comprises a base 1, a heat dissipation mechanism 9 is arranged in the base 1, a heat conducting sheet 16 is arranged at the top end of the heat dissipation mechanism 9, a semiconductor refrigerating sheet 10 is installed at the lower end of the heat conducting sheet 16, a heat radiating sheet 11 is arranged at the lower end of the semiconductor refrigerating sheet 10, heat conducting silicone grease 17 is arranged between the heat radiating sheet 11 and the semiconductor refrigerating sheet 10, a heat radiating device 12 is arranged at the lower end of the base 1, which is positioned at the heat dissipation mechanism 9, a fan 13 is installed in the heat radiating device 12, a shielding shell 2 is arranged at the upper end of the base 1, a working chamber 5 is arranged in the shielding shell 2, a central column 15 is arranged at the bottom of the working chamber 5, a magnetic core 3 is arranged outside the central column 15, a winding 4 is arranged outside the magnetic core 3, pins 6 are arranged at two sides of the base 1, the pins 6 are provided, a threaded hole 14 is formed in the mounting seat 7, and a buffer spring 8 is arranged between the mounting seat 7 and the base 1.
Further, the heat dissipation mechanism 9 is composed of a heat conducting sheet 16, a semiconductor refrigerating sheet 10, heat conducting silicone grease 17 and a heat dissipation sheet 11, the heat conducting sheet 16 is attached to the central column 15, the semiconductor refrigerating sheet 10 is attached to the heat dissipation sheet 11 through the heat conducting silicone grease 17, the upper end of the semiconductor refrigerating sheet 10 is a cold end, the lower end of the semiconductor refrigerating sheet 10 is a hot end, after the power supply is connected, an electronic negative electrode starts to pass through the P-type semiconductor, the heat absorption capacity reaches the N-type semiconductor, the heat is released, every time the heat passes through an NP module, the heat is sent to the outside from one side to cause temperature difference to form the cold and hot end, the cold and hot end is respectively composed of two ceramic sheets, and the cold end is connected with a heat source, so that the effect of rapid refrigeration.
Further, heat abstractor 12 passes through the bolt fastening with base 1, and the lower extreme of fin 11 is corresponding with heat abstractor 12, and fan 13 rotates with heat abstractor 12 to be connected, reduces the hot junction temperature through the radiating mode of initiative, and that cold junction temperature also can corresponding decline to reach lower temperature, thereby can cool down working chamber 5 fast, guarantee the high-efficient function of 4 coils of inside winding.
Further, shielding shell 2 and the upper end sealing connection of base 1, shielding shell 2's main material is iron-aluminum alloy, and iron-aluminum alloy material weight is lighter can reduce the weight of whole high frequency electronic transformer, and secondly the magnetic screen effect is better, and anti external disturbance ability is strong.
Further, buffer spring 8 is provided with a plurality of, and buffer spring 8 and mount pad 7 and base 1 fixed connection, through buffer spring 8's elastic deformation, can alleviate the power of rocking or vibration production among the deformation process to protect whole high frequency electronic transformer.
Further, the mounting seat 7 and the threaded hole 14 are integrally formed, the diameter of the threaded hole 14 is eight millimeters, and the device and the transformer are mounted and connected through the threaded hole 14.
The working principle is as follows: when in use, after the power supply is switched on, the electronic cathode starts, firstly passes through the P-type semiconductor, the heat absorption capacity reaches the N-type semiconductor, the heat is discharged, every time the electronic cathode passes through an NP module, the heat is sent to the outside from one side to cause temperature difference to form a cold-hot end, the cold-hot end is respectively composed of two ceramic sheets, the cold end is connected with a heat source, thereby achieving the effect of quick refrigeration and heat dissipation, the lower end of the semiconductor refrigeration sheet 10 is respectively provided with a heat dissipation sheet 11 and a heat dissipation device 12, the fan 13 in the heat dissipation device 12 and the heat dissipation sheet 11 mainly have the effect of heat dissipation of the hot end of the refrigeration sheet, so that the temperature difference of the cold-hot end of the semiconductor refrigeration sheet 10 reaches 40-65 ℃, the temperature of the hot end is reduced by an active heat dissipation mode, the temperature is correspondingly reduced, thereby reaching lower temperature, thereby being capable of quickly cooling, guarantee the high-efficient function of 4 coils of internal winding, adopt magnetic shield casing 2 simultaneously, the main material of shield casing 2 is iron-aluminum alloy, iron-aluminum alloy material weight can reduce whole high frequency electronic transformer's weight lighter, secondly the magnetic shield effect is better, anti external disturbance ability is strong, guarantee high frequency electronic transformer's normal work, in addition when the installation device takes place to rock or vibrate when, elastic deformation through buffer spring 8, can alleviate the power of rocking or vibration production among the deformation process, with the whole high frequency electronic transformer of protection, the protecting effect further promotes.
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 high-frequency electronic transformer, includes base (1), its characterized in that: the refrigerator is characterized in that a heat dissipation mechanism (9) is arranged inside the base (1), a heat conducting sheet (16) is arranged on the top end of the heat dissipation mechanism (9), a semiconductor refrigerating sheet (10) is installed at the lower end of the heat conducting sheet (16), a heat radiating sheet (11) is arranged at the lower end of the semiconductor refrigerating sheet (10), heat conducting silicone grease (17) is arranged between the heat radiating sheet (11) and the semiconductor refrigerating sheet (10), a heat radiating device (12) is arranged at the lower end, located on the heat dissipation mechanism (9), of the base (1), a fan (13) is installed inside the heat radiating device (12), a shielding shell (2) is arranged at the upper end of the base (1), a working chamber (5) is arranged inside the shielding shell (2), a central column (15) is arranged at the bottom of the working chamber (5), and a magnetic core (3), the outside of magnetic core (3) is provided with winding (4), the both sides of base (1) all are provided with pin (6), and pin (6) are provided with a plurality of, and the one end of pin (6) is connected with winding (4), both sides of base (1) lower extreme all are provided with mount pad (7), the inside of mount pad (7) is provided with screw hole (14), install buffer spring (8) between mount pad (7) and base (1).
2. A high-frequency electronic transformer according to claim 1, characterized in that: radiating mechanism (9) comprise conducting strip (16), semiconductor refrigeration piece (10), heat conduction silicone grease (17) and fin (11), conducting strip (16) laminate mutually with center post (15), semiconductor refrigeration piece (10) are connected through heat conduction silicone grease (17) with fin (11) pasting, the upper end of semiconductor refrigeration piece (10) is the cold junction, and the lower extreme of semiconductor refrigeration piece (10) is the hot junction.
3. A high-frequency electronic transformer according to claim 1, characterized in that: the heat dissipation device (12) is fixed with the base (1) through bolts, the lower end of the radiating fin (11) corresponds to the heat dissipation device (12), and the fan (13) is rotatably connected with the heat dissipation device (12).
4. A high-frequency electronic transformer according to claim 1, characterized in that: the shielding shell (2) is connected with the upper end of the base (1) in a sealing mode.
5. A high-frequency electronic transformer according to claim 1, characterized in that: buffer spring (8) are provided with a plurality of, and buffer spring (8) and mount pad (7) and base (1) fixed connection.
6. A high-frequency electronic transformer according to claim 1, characterized in that: the mounting seat (7) and the threaded hole (14) are integrally formed, and the diameter of the threaded hole (14) is eight millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433493.9U CN211628867U (en) | 2020-03-30 | 2020-03-30 | High-frequency electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433493.9U CN211628867U (en) | 2020-03-30 | 2020-03-30 | High-frequency electronic transformer |
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| CN211628867U true CN211628867U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020433493.9U Active CN211628867U (en) | 2020-03-30 | 2020-03-30 | High-frequency electronic transformer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366062A (en) * | 2020-11-02 | 2021-02-12 | 天长市运臣电子工贸有限公司 | High-efficiency ultrahigh frequency electronic transformer with coaxial structure |
| CN112797322A (en) * | 2021-01-17 | 2021-05-14 | 袁军 | Underground pipe detects with patrolling and examining robot |
| CN113412046A (en) * | 2021-06-28 | 2021-09-17 | 山东浪潮科学研究院有限公司 | Anti-interference shielding device and method |
| CN113593827A (en) * | 2021-08-14 | 2021-11-02 | 许昌中天宇光电气技术有限公司 | Dry-type reactor |
| CN114843072A (en) * | 2022-05-13 | 2022-08-02 | 蚌埠市威瑞电子科技有限公司 | Fill electric pile with safe type high frequency transformer |
| CN117030790A (en) * | 2023-09-13 | 2023-11-10 | 河南省科学院 | Working performance testing device for semiconductor refrigerating sheet |
-
2020
- 2020-03-30 CN CN202020433493.9U patent/CN211628867U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366062A (en) * | 2020-11-02 | 2021-02-12 | 天长市运臣电子工贸有限公司 | High-efficiency ultrahigh frequency electronic transformer with coaxial structure |
| CN112797322A (en) * | 2021-01-17 | 2021-05-14 | 袁军 | Underground pipe detects with patrolling and examining robot |
| CN113412046A (en) * | 2021-06-28 | 2021-09-17 | 山东浪潮科学研究院有限公司 | Anti-interference shielding device and method |
| CN113412046B (en) * | 2021-06-28 | 2022-11-29 | 山东浪潮科学研究院有限公司 | Anti-interference shielding device and method |
| CN113593827A (en) * | 2021-08-14 | 2021-11-02 | 许昌中天宇光电气技术有限公司 | Dry-type reactor |
| CN113593827B (en) * | 2021-08-14 | 2023-07-28 | 许昌中天宇光电气技术有限公司 | Dry-type reactor |
| CN114843072A (en) * | 2022-05-13 | 2022-08-02 | 蚌埠市威瑞电子科技有限公司 | Fill electric pile with safe type high frequency transformer |
| CN117030790A (en) * | 2023-09-13 | 2023-11-10 | 河南省科学院 | Working performance testing device for semiconductor refrigerating sheet |
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