CN111710495B - Safety structure of high-frequency transformer - Google Patents
Safety structure of high-frequency transformer Download PDFInfo
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- CN111710495B CN111710495B CN202010667164.5A CN202010667164A CN111710495B CN 111710495 B CN111710495 B CN 111710495B CN 202010667164 A CN202010667164 A CN 202010667164A CN 111710495 B CN111710495 B CN 111710495B
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- protective shell
- transformer body
- safety structure
- transformer
- pin
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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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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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
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a safety structure of a high-frequency transformer, wherein a protective cover comprises an upper protective shell fixedly arranged outside a transformer body and a lower protective shell movably arranged at the bottom of the upper protective shell, transverse plates are welded on the inner walls of two sides of the lower protective shell, and the top of each transverse plate is connected with the inner top surface of the upper protective shell through a spring. According to the safety structure of the high-frequency transformer, firstly, the transformer body can be protected by arranging the protective cover outside the transformer body, so that the transformer body is prevented from being collided by an external object, the use safety of the transformer body is improved, secondly, the transformer and the circuit board can be fixedly connected by arranging the positioning side plate outside the conductive pin, meanwhile, the welding firmness can be improved, thirdly, whether the transformer body is separated from the circuit board or not can be detected by arranging the pressure sensor and the movable pin on the top of the pin plate, and the timely repair and replacement are convenient.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a safety structure of a high-frequency transformer.
Background
The safety structure of the high-frequency transformer is a device for protecting the high-frequency transformer, but with the development of science and technology, the requirements of people on the safety structure are higher and higher, so that the traditional safety structure cannot meet the use requirements of people;
at present, when an existing high-frequency transformer is used, pins and the outside of the existing high-frequency transformer cannot be protected, when an external object collides with the high-frequency transformer, the high-frequency transformer is damaged, secondly, when the existing high-frequency transformer is installed, a user needs to hold the transformer by one hand, the pins of the transformer are welded by the other hand, welding efficiency of the user is affected, when the transformer and a circuit board are separated, if the pin cannot be found in time, certain potential safety hazards can be brought, and therefore a safety structure of the high-frequency transformer is provided.
Disclosure of Invention
The invention mainly aims to provide a safety structure of a high-frequency transformer, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a safety structure of a high-frequency transformer comprises a transformer body, a protective cover is arranged outside the transformer body, wherein,
the protection casing contains fixed mounting at the outside last protecting crust of transformer body and movable mounting at the lower protecting crust of last protecting crust bottom, and the diaphragm has all been welded to the both sides inner wall of protecting crust down, pass through spring coupling between the top of diaphragm and the interior top surface of last protecting crust.
Preferably, the bottom edge of the lower protective shell is bonded with a rubber strip with an annular cross section, and the interior of the rubber strip is filled with a fire extinguishing agent.
Preferably, the outer wall of the lower protective shell is uniformly welded with flaky radiating fins, and the cross sections of the radiating fins are triangular.
Preferably, the bottom of the transformer body is provided with strip-shaped pin plates close to the front side and the rear side, and the conductive pins connected with the circuit board are arranged outside the pin plates at equal intervals.
Preferably, both sides of the conductive pin are welded with positioning side plates for hooking the circuit board, the bottom of each positioning side plate is connected with the conductive pin, and both sides of the conductive pin are provided with preformed grooves for retracting and releasing the positioning side plates.
Preferably, the width of the two groups of positioning side plates is equal to that of the reserved groove, one end of each positioning side plate is welded with the corresponding conductive pin, and the other end of each positioning side plate is unfolded outwards to form a hook shape.
Preferably, the bottom of the foot guide plate is provided with a retraction groove, the top surface in the retraction groove is provided with a pressure sensor, and the pressure sensor is connected with a movable pin through a spring arranged at the bottom of the pressure sensor.
Preferably, the input end of the pressure sensor is electrically connected with the output end of the transformer body through a wire.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the protective cover is arranged outside the transformer body, so that the transformer body can be protected, external objects are prevented from colliding with the transformer body, and the use safety of the transformer body is improved;
secondly, the heat generated by the transformer body can be dissipated outwards by arranging the radiating fins outside the protective cover;
thirdly, the rubber strip is bonded at the bottom of the protective cover, and the fire extinguishing agent is filled in the rubber strip, so that the gap between the circuit board and the protective cover can be filled, and the transformer can be protected when the transformer catches fire;
fourthly, the positioning side plate is arranged outside the conductive pin, so that the transformer can be fixedly connected with the circuit board, and meanwhile, the welding firmness can be improved;
fifthly, the pressure sensor and the movable pin are installed at the top of the pin plate, so that whether the transformer body is separated from the circuit board or not can be detected, and timely repair and replacement are facilitated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a safety structure of a high-frequency transformer according to the present invention;
fig. 2 is a sectional view of a shield in a safety structure of a high frequency transformer according to the present invention;
FIG. 3 is an enlarged view of A in FIG. 1 illustrating the safety structure of a high frequency transformer according to the present invention;
fig. 4 is a partial sectional view of a conductive pin in a safety structure of a high frequency transformer according to the present invention;
fig. 5 is a partial sectional view of a pin plate in the safety structure of a high frequency transformer according to the present invention.
In the figure: 1. a transformer body; 2. an upper protective shell; 3. a lower protective shell; 4. a transverse plate; 5. a foot guide plate; 6. a conductive pin; 7. positioning the side plate; 8. reserving a groove; 9. a pressure sensor; 10. a movable pin; 11. a heat sink; 12. a rubber strip.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 and 2, a safety structure of a high frequency transformer includes a transformer body 1, a protection cover is installed at an outside of the transformer body 1, wherein,
the protection casing contains fixed mounting at the outside last protecting crust 2 of transformer body 1 and movable mounting at the lower protecting crust 3 in last protecting crust 2 bottom, and all welds on the both sides inner wall of protecting crust 3 down and has diaphragm 4, passes through spring coupling between the top of diaphragm 4 and the interior top surface of last protecting crust 2.
Referring to fig. 2, a rubber strip 12 with an annular cross section is bonded to the bottom edge of the lower protective shell 3, and a fire extinguishing agent is filled in the rubber strip 12, so that when the temperature of the circuit board is high, the rubber strip 12 is melted, the fire extinguishing agent in the rubber strip is made to flow out, and the transformer is prevented from burning at high temperature.
Referring to fig. 2, the outer wall of the lower protective shell 3 is uniformly welded with the flaky radiating fins 11, the cross section of each radiating fin 11 is triangular, and the radiating fins 11 outside the lower protective shell 3 increase the radiating area of the lower protective shell 3, thereby improving the radiating efficiency.
Referring to fig. 1, strip-shaped pin plates 5 are mounted at positions, close to the front side and the rear side, of the bottom of the transformer body 1, and conductive pins 6 for being connected with a circuit board are mounted outside the pin plates 5 at equal intervals.
Referring to fig. 3 and 4, positioning side plates 7 for hooking the circuit board are welded on two sides of the conductive pins 6, bottoms of the positioning side plates 7 are connected with the conductive pins 6, and two sides of the conductive pins 6 are provided with preformed grooves 8 for retracting and releasing the positioning side plates 7.
Referring to fig. 4, the width of the two sets of positioning side plates 7 is equal to the width of the pre-groove 8, and one end of each positioning side plate 7 is welded to the corresponding conductive pin 6, and the other end of each positioning side plate is unfolded outwards to form a hook shape.
Referring to fig. 5, the bottom of the foot guide plate 5 is provided with a storage groove, a pressure sensor 9 is mounted on the inner top surface of the storage groove, and the pressure sensor 9 is connected with a movable pin 10 through a spring arranged at the bottom of the pressure sensor 9.
Referring to fig. 5, the input end of the pressure sensor 9 is electrically connected to the output end of the transformer body 1 through a wire.
When the transformer body 1 is used, the transformer body 1 is firstly installed on a circuit board, during installation, the conductive pins 6 at the bottom of the transformer body 1 are inserted into pin holes in a circuit, in the process of inserting the conductive pins 6, the pin holes of the circuit board extrude positioning side plates 7 on two sides of the conductive pins 6, the positioning side plates 7 are contracted into reserved grooves 8 on two sides of the conductive pins 6, the lower protective shell 3 is loosened, the lower protective shell 3 moves downwards under the action of a spring on the top of the lower protective shell, a rubber strip 12 at the bottom of the lower protective shell plugs a gap between the circuit board and the transformer body 1, when the conductive pins 6 penetrate through the pin holes in the circuit board, the positioning side plates 7 on two sides of the conductive pins 6 are unfolded to hook the circuit board, the circuit board is fixedly connected with the transformer, after soldering tin is dripped outside the conductive pins 6, the soldering tin enters the reserved grooves 8 and the positioning side plates 7, the positioning side plates 7 cannot retract into the reserved grooves 8, and the installation of the transformer body 1 is completed.
When the transformer takes place to take place to separate with the circuit board, appear the space between pin board 5 and the circuit board of 1 bottom of transformer body, activity round pin 10 is under the effect of its top spring, make activity round pin 10 laminate with the surface of circuit board all the time, consequently when appearing the space between pin board 5 and the circuit board, the spring extension, spring deformation degree reduces, pressure to pressure sensor 9 reduces, consequently, change through the numerical value of observing pressure sensor 9, alright whether appear the space between pin board 5 and the circuit board with audio-visual detection, be convenient for timely repair and change.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A safety structure of a high frequency transformer, characterized in that the safety structure comprises a transformer body (1), a protective cover is mounted on the outside of the transformer body (1), wherein,
the protective cover comprises an upper protective shell (2) fixedly arranged outside the transformer body (1) and a lower protective shell (3) movably arranged at the bottom of the upper protective shell (2), transverse plates (4) are welded on the inner walls of two sides of the lower protective shell (3), and the top of each transverse plate (4) is connected with the inner top surface of the upper protective shell (2) through a spring;
strip-shaped pin plates (5) are mounted at the positions, close to the front side and the rear side, of the bottom of the transformer body (1), and conductive pins (6) for being connected with a circuit board are mounted outside the pin plates (5) at equal intervals;
positioning side plates (7) used for hooking the circuit board are welded on two sides of the conductive pins (6), the bottoms of the positioning side plates (7) are connected with the conductive pins (6), and reserved grooves (8) used for retracting and releasing the positioning side plates (7) are formed in two sides of the conductive pins (6);
the width of the positioning side plate (7) is equal to that of the reserved groove (8), one end of the positioning side plate (7) is welded with the conductive pin (6), and the other end of the positioning side plate is unfolded outwards to form a hook shape.
2. A safety structure of a high frequency transformer according to claim 1, characterized in that: the bottom edge of the lower protective shell (3) is bonded with a rubber strip (12) with an annular cross section, and the rubber strip (12) is filled with a fire extinguishing agent.
3. A safety structure of a high frequency transformer according to claim 1, characterized in that: the outer wall of the lower protective shell (3) is uniformly welded with flaky radiating fins (11), and the cross sections of the radiating fins (11) are triangular.
4. A safety structure of a high frequency transformer according to claim 1, characterized in that: the bottom of the foot guide plate (5) is provided with a retraction groove, the top surface in the retraction groove is provided with a pressure sensor (9), and the pressure sensor (9) is connected with a movable pin (10) through a spring arranged at the bottom of the pressure sensor.
5. The safety structure of a high-frequency transformer according to claim 4, wherein: the input end of the pressure sensor (9) is electrically connected with the output end of the transformer body (1) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667164.5A CN111710495B (en) | 2020-07-13 | 2020-07-13 | Safety structure of high-frequency transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667164.5A CN111710495B (en) | 2020-07-13 | 2020-07-13 | Safety structure of high-frequency transformer |
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| CN111710495A CN111710495A (en) | 2020-09-25 |
| CN111710495B true CN111710495B (en) | 2022-11-29 |
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| CN202010667164.5A Active CN111710495B (en) | 2020-07-13 | 2020-07-13 | Safety structure of high-frequency transformer |
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| CN113311232B (en) * | 2021-04-16 | 2024-05-14 | 国网山东省电力公司淄博供电公司 | Pin type electronic device attribute value rapid tester |
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| CN2415505Y (en) * | 2000-01-28 | 2001-01-17 | 莫列斯公司 | Plate type lock for fixing electric connector |
| CN2783499Y (en) * | 2005-01-14 | 2006-05-24 | 东莞创慈磁性元件有限公司 | Installation structure for surface welding transtormer |
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| CN111710495A (en) | 2020-09-25 |
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Effective date of registration: 20230412 Address after: 516006 building B, community building 18, Zhongkai Development Zone, Huizhou City, Guangdong Province Patentee after: Huizhou Banqiao Electronic Co.,Ltd. Address before: 246121 Huaining Industrial Park, Anqing City, Anhui Province Patentee before: Huaining Banqiao Electronics Co.,Ltd. |
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