CN111710511A - High-frequency transformer with shielding function - Google Patents
High-frequency transformer with shielding function Download PDFInfo
- Publication number
- CN111710511A CN111710511A CN202010667156.0A CN202010667156A CN111710511A CN 111710511 A CN111710511 A CN 111710511A CN 202010667156 A CN202010667156 A CN 202010667156A CN 111710511 A CN111710511 A CN 111710511A
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- China
- Prior art keywords
- protective shell
- transformer
- transformer body
- frequency transformer
- wall
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- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The invention discloses a high-frequency transformer with a shielding function, relating to the technical field of high-frequency transformers, the high-frequency transformer with the shielding function comprises a transformer body, wherein a protective shell is arranged outside the transformer body, fixing plates are fixed on both sides of the inner wall of the protective shell, guide posts penetrate through the fixing plates, the bottom of the guide post is provided with a pressure plate, the pressure plate and the fixed plate are provided with a buffer mechanism, and both sides of the bottom of the protective shell are provided with baffle plates, the protective shell can protect the transformer body while shielding the transformer body, and the transformer body and the protective shell can have a buffering function under the combined action of the pressing plate, the first spring and the fixing plate, and then avoid external force directly to cause the damage to the transformer body, stability when the guide pillar can further improve protective housing and transformer body buffering simultaneously.
Description
Technical Field
The invention belongs to the technical field of high-frequency transformers, and particularly relates to a high-frequency transformer with a shielding function.
Background
The high-frequency transformer is a power transformer with the working frequency exceeding the intermediate frequency (10kHz), is mainly used as a high-frequency switching power transformer in a high-frequency switching power supply, is also used as a high-frequency inverter power transformer in a high-frequency inverter power supply and a high-frequency inverter welding machine, and is widely applied to the fields of mobile phone chargers, adapters, PC power supplies, electric tools, household appliances and the like.
The high-frequency transformer in the existing market still has the defect when using, for example, the high-frequency transformer is difficult to shield external strong magnetic field, causes the use of high-frequency transformer to receive the influence, and in addition, after the high-frequency transformer received external force, high-frequency transformer self very easily received the loss phenomenon, even when the high-frequency transformer received the protection of protection casing etc. after, the radiating process of transformer also can receive the influence to influence transformer life's problem.
Disclosure of Invention
The present invention is directed to a high frequency transformer with shielding function to solve the above problems in the prior art.
The technical scheme adopted by the invention is as follows:
the utility model provides a high frequency transformer with shielding function, includes the transformer body, the outside of transformer body is provided with the protecting crust, the inner wall both sides of protecting crust all are fixed with the fixed plate, the guide pillar has been run through to the inside of fixed plate, the bottom of guide pillar is provided with the clamp plate, the clamp plate is provided with buffer gear with the fixed plate, the bottom both sides of protecting crust all are provided with the baffle, the both sides that the outer wall of protecting crust is located the baffle all are provided with fixed frame, be provided with coupling mechanism between fixed frame and the baffle.
Preferably, the buffering mechanism comprises a first spring, the first spring is sleeved outside the guide post, and the first spring is located between the pressing plate and the fixing plate.
Preferably, the top of the guide pillar is provided with a baffle disc, and the diameter of the baffle disc is larger than that of the guide pillar.
Preferably, coupling mechanism includes the inserted block, the inserted block is located the inside of fixed frame, and the one end of inserted block extends to the outside of fixed frame, the other end of inserted block is connected with the connecting rod, the one end of connecting rod runs through fixed frame, the outside inside cover that is located the fixed frame of connecting rod is equipped with the second spring.
Preferably, the insert block is in semicircular transition relative to one side of the connecting rod to form an arc-shaped surface, the baffle is of an L-shaped structure, and the outer wall of the baffle is provided with a slot matched with the insert block.
Preferably, the outer wall of the protective shell is fixed with an air guide cover, the inner wall of the protective shell is fixed with an air guide pipe, one end of the air guide pipe is communicated with the air guide cover, the outer wall of the air guide pipe is provided with an air outlet, and one side of the air guide cover is provided with a fan.
Preferably, the air duct is in a zigzag structure.
Preferably, the bottom of the pressing plate is provided with an insulating rubber pad, and the protective shell is made of iron-aluminum alloy.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. when the magnetic shielding device is used, the protective shell can protect the transformer body while shielding the transformer body, the protective shell and the transformer body can have a buffering function under the combined action of the pressing plate, the first spring and the fixing plate, so that the transformer body is prevented from being directly damaged by external force, and meanwhile, the guide pillar can further improve the stability of the protective shell and the transformer body during buffering.
2. According to the transformer body, the connecting mechanism can improve the convenience of assembling and disassembling the baffle and the protective shell, so that workers can conveniently take the protective shell off the transformer body at any time, and the convenience of maintaining the transformer body is improved.
3. According to the transformer, the air guide cover, the air guide pipe and the air outlet hole are matched with the fan, so that the protective shell can be used for protecting the transformer body and radiating the transformer body at the same time, and the working time of the transformer is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of a protective shell according to the present invention;
figure 4 is a sectional view of the fixing frame according to the invention;
FIG. 5 is a cross-sectional view of a protective shell of the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5;
in the figure: 1. a transformer body; 2. a baffle plate; 3. a second spring; 4. pressing a plate; 5. a first spring; 6. a fixing plate; 7. a guide post; 8. a protective shell; 9. an air duct; 10. a gas guide hood; 11. a fan; 12. a connecting rod; 13. a fixing frame; 14. an air outlet; 15. and (5) inserting the blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-6, a high-frequency transformer with shielding function comprises a transformer body 1, wherein a protective shell 8 is arranged outside the transformer body 1, fixing plates 6 are fixed on two sides of the inner wall of the protective shell 8, guide pillars 7 penetrate through the fixing plates 6, a pressing plate 4 is arranged at the bottoms of the guide pillars 7, a buffer mechanism is arranged between the pressing plate 4 and the fixing plates 6, baffles 2 are arranged on two sides of the bottom of the protective shell 8, fixed frames 13 are arranged on two sides, located on the baffles 2, of the outer wall of the protective shell 8, and a connecting mechanism is arranged between the fixed frames 13 and the baffles 2;
the buffer mechanism comprises a first spring 5, the first spring 5 is sleeved outside the guide post 7, and the first spring 5 is positioned between the pressing plate 4 and the fixing plate 6;
the top of the guide post 7 is provided with a baffle disc, and the diameter of the baffle disc is larger than that of the guide post 7;
the bottom of clamp plate 4 is provided with insulating rubber pad, and protecting crust 8 adopts indisputable aluminum alloy to make protecting crust 8 possess the function of magnetic screen, and insulating rubber pad can avoid clamp plate 4 to cause great damage to transformer body 1's iron core.
Through the technical scheme:
when in use, the protective shell 8 can protect the transformer body 1 while playing a role of magnetic shielding for the transformer body 1;
treat protecting crust 8 and install the outside back at transformer body 1, clamp plate 4 can contact with the top of iron core on transformer body 1, under the effect of first spring 5 and fixed plate 6, can make and possess the function of buffering between transformer body 1 and the protecting crust 8, and then avoid external force directly to cause the damage to transformer body 1, stability when guide pillar 7 can further improve protecting crust 8 and transformer body 1 buffering simultaneously.
Referring to fig. 1-4, the connection mechanism includes an insertion block 15, the insertion block 15 is located inside the fixed frame 13, one end of the insertion block 15 extends to the outside of the fixed frame 13, the other end of the insertion block 15 is connected with a connection rod 12, one end of the connection rod 12 penetrates through the fixed frame 13, and a second spring 3 is sleeved outside the connection rod 12 and located inside the fixed frame 13;
one side of the inserting block 15 opposite to the connecting rod 12 is in semicircular transition to form an arc-shaped surface, the baffle 2 is in an L-shaped structure, and the outer wall of the baffle 2 is provided with a slot matched with the inserting block 15;
an air guide cover 10 is fixed on the outer wall of the protective shell 8, an air guide pipe 9 is fixed on the inner wall of the protective shell 8, one end of the air guide pipe 9 is communicated with the air guide cover 10, an air outlet hole 14 is formed in the outer wall of the air guide pipe 9, and a fan 11 is installed on one side of the air guide cover 10;
the air duct 9 is in a structure like a Chinese character 'ji'.
Through the technical scheme:
when the magnetic shielding device is used, the protective shell 8 covers the outside of the transformer body 1, then the baffle 2 is fixed at the bottom of the protective shell 8, in the fixing process, the baffle 2 is placed between the two fixing frames 13, then the inserting block 15 is driven to move towards the slot on the outer wall of the baffle 2 under the action of the second spring 3, and then the baffle 2 and the protective shell 8 are fixedly inserted and connected, at the moment, the part of the baffle 2 is positioned at the bottom of the iron core on the transformer body 1, so that the transformer body 1 plays a limiting role on the protective shell 8, the protective shell 8 is prevented from being separated from the transformer body 1, the transformer body 1 has a reliable magnetic shielding function, after the connecting rod 12 is pulled outwards, the inserting block 15 can be separated from the baffle 2, so that a worker can take down the protective shell 8, and convenience in maintenance of the transformer body 1 is improved;
when transformer body 1 worked, fan 11 also can work, and fan 11 work back can blow to the inside of air guide cover 10, and the air current can get into air duct 9 after that to spout from venthole 14, so that when making 8 protection transformer body 1 of protecting sheathing, also can dispel the heat to transformer body 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A high-frequency transformer with a shielding function, comprising a transformer body (1), characterized in that: the transformer comprises a transformer body (1), and is characterized in that a protective shell (8) is arranged outside the transformer body (1), fixing plates (6) are fixed on two sides of the inner wall of each protective shell (8), guide pillars (7) penetrate through the fixing plates (6), a pressing plate (4) is arranged at the bottom of each guide pillar (7), buffer mechanisms are arranged on the pressing plates (4) and the fixing plates (6), baffles (2) are arranged on two sides of the bottom of each protective shell (8), fixed frames (13) are arranged on two sides, located on the baffles (2), of the outer wall of each protective shell (8), and connecting mechanisms are arranged between the fixed frames (13) and the baffles (2).
2. A high-frequency transformer having a shield function as claimed in claim 1, wherein: the buffer mechanism comprises a first spring (5), the first spring (5) is sleeved outside the guide post (7), and the first spring (5) is located between the pressing plate (4) and the fixing plate (6).
3. A high-frequency transformer having a shield function as claimed in claim 2, wherein: the top of the guide post (7) is provided with a baffle disc, and the diameter of the baffle disc is larger than that of the guide post (7).
4. A high-frequency transformer having a shield function as claimed in claim 1, wherein: coupling mechanism is including inserted block (15), inserted block (15) are located the inside of fixed frame (13), and the one end of inserted block (15) extends to the outside of fixed frame (13), the other end of inserted block (15) is connected with connecting rod (12), fixed frame (13) is run through to the one end of connecting rod (12), the inside cover that connecting rod (12) outside is located fixed frame (13) is equipped with second spring (3).
5. A high-frequency transformer having a shield function according to claim 4, characterized in that: the insert block (15) is in semicircular transition relative to one side of the connecting rod (12) to form an arc-shaped surface, the baffle (2) is of an L-shaped structure, and the outer wall of the baffle (2) is provided with a slot matched with the insert block (15).
6. A high-frequency transformer having a shield function according to claim 5, characterized in that: the outer wall of protecting crust (8) is fixed with air guide cover (10), and the inner wall of protecting crust (8) is fixed with air duct (9), the one end and the air guide cover (10) of air duct (9) are linked together, and venthole (14) have been seted up to the outer wall of air duct (9), fan (11) are installed to one side of air guide cover (10).
7. A high-frequency transformer having a shield function according to claim 6, characterized in that: the air duct (9) is of a structure shaped like a Chinese character 'ji'.
8. A high-frequency transformer having a shield function as claimed in claim 2, wherein: the bottom of the pressing plate (4) is provided with an insulating rubber pad, and the protective shell (8) is made of iron-aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667156.0A CN111710511A (en) | 2020-07-13 | 2020-07-13 | High-frequency transformer with shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667156.0A CN111710511A (en) | 2020-07-13 | 2020-07-13 | High-frequency transformer with shielding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111710511A true CN111710511A (en) | 2020-09-25 |
Family
ID=72545329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010667156.0A Pending CN111710511A (en) | 2020-07-13 | 2020-07-13 | High-frequency transformer with shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111710511A (en) |
Cited By (1)
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014138529A (en) * | 2013-01-18 | 2014-07-28 | Asmo Co Ltd | Brush holder device and rotary electric machine |
| CN207264870U (en) * | 2017-10-07 | 2018-04-20 | 于光学 | A kind of high transformer of security performance |
| CN207442264U (en) * | 2017-11-27 | 2018-06-01 | 昊诚集团有限公司 | American transformer |
| CN208209622U (en) * | 2018-06-13 | 2018-12-07 | 大庆市隆赫石油科技开发有限公司 | A kind of ups power of uninterrupted power supply |
| CN208848694U (en) * | 2018-09-07 | 2019-05-10 | 深圳市安品源科技有限公司 | A kind of high frequency transformer of plug-in type phone charger |
| CN209401458U (en) * | 2019-02-15 | 2019-09-17 | 深圳市艾美龙科技有限公司 | A kind of inductance coil structure of household electrical appliance transformer |
| CN209515385U (en) * | 2019-04-26 | 2019-10-18 | 西安豫西红阳机电有限公司 | A kind of high frequency planar transformer mounting base |
-
2020
- 2020-07-13 CN CN202010667156.0A patent/CN111710511A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014138529A (en) * | 2013-01-18 | 2014-07-28 | Asmo Co Ltd | Brush holder device and rotary electric machine |
| CN207264870U (en) * | 2017-10-07 | 2018-04-20 | 于光学 | A kind of high transformer of security performance |
| CN207442264U (en) * | 2017-11-27 | 2018-06-01 | 昊诚集团有限公司 | American transformer |
| CN208209622U (en) * | 2018-06-13 | 2018-12-07 | 大庆市隆赫石油科技开发有限公司 | A kind of ups power of uninterrupted power supply |
| CN208848694U (en) * | 2018-09-07 | 2019-05-10 | 深圳市安品源科技有限公司 | A kind of high frequency transformer of plug-in type phone charger |
| CN209401458U (en) * | 2019-02-15 | 2019-09-17 | 深圳市艾美龙科技有限公司 | A kind of inductance coil structure of household electrical appliance transformer |
| CN209515385U (en) * | 2019-04-26 | 2019-10-18 | 西安豫西红阳机电有限公司 | A kind of high frequency planar transformer mounting base |
Cited By (1)
| 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 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200925 |
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| RJ01 | Rejection of invention patent application after publication |