CN219832342U - Dustproof and moistureproof full-sealed signal coupling transformer - Google Patents
Dustproof and moistureproof full-sealed signal coupling transformer Download PDFInfo
- Publication number
- CN219832342U CN219832342U CN202320976414.2U CN202320976414U CN219832342U CN 219832342 U CN219832342 U CN 219832342U CN 202320976414 U CN202320976414 U CN 202320976414U CN 219832342 U CN219832342 U CN 219832342U
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- fixedly connected
- unit
- coupling transformer
- dustproof
- protective shell
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- 230000008878 coupling Effects 0.000 title claims abstract description 27
- 238000010168 coupling process Methods 0.000 title claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008266 hair spray Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model discloses a dustproof and dampproof full-sealed signal coupling transformer, which relates to the technical field of coupling transformers and comprises a mounting unit, a protective shell arranged at the top of the mounting unit, a magnetic connection unit arranged in the protective shell, a supporting and fixing unit, a sealing connection unit and a plugging frame, wherein the supporting and fixing unit comprises a fixed ring fixedly connected to the center of the top of the mounting unit, a screw hole penetrating through the inner wall of the fixed ring, the sealing connection unit comprises a rectangular frame fixedly connected to the outer surface of the bottom of the protective shell, and the plugging frame is fixedly connected to the bottom of the rectangular frame. The utility model provides stability by adopting a mode of propping and fixing the inner side everywhere, and ensures the stability of the annular magnetic ring in the protective shell, thereby ensuring the use effect of the coupling transformer, and the protective shell is in seamless and full-sealed connection with the mounting seat, so that the transformer assembly is prevented from being influenced by external dust or water-containing environment, and a good dustproof and dampproof effect is achieved.
Description
Technical Field
The utility model relates to the technical field of coupling transformers, in particular to a dustproof and moistureproof full-sealed signal coupling transformer.
Background
A coupling transformer refers to a transformer commonly used as inter-pole coupling in radio lines. Such as the middle-periphery of the radio, the input transformer, and the output transformer, belong to this class. The function of the coupling transformer is versatile and it can also be used to achieve impedance matching etc. By coupling is meant physically the phenomenon that two or more systems or two forms of motion affect each other by various interactions so as to combine, for example mutual inductance between two coils is coupled by a magnetic field.
Retrieved under publication (bulletin) number: 201921543947.1 a dustproof and moistureproof full-sealed signal coupling transformer is disclosed, put into inside the base after encircling the enameled wire with magnetism, and hang corresponding pin with the enameled wire end of a thread, drop into epoxy resin sealant in the base and cover the magnetic ring, drop into a certain amount of epoxy resin sealant in the lid simultaneously, turn over the base of point hair spray and cover on the lid, with this transformer subassembly inside the sealed base, keep apart transformer subassembly and external environment, reduce the interference with external signal, avoid the transformer subassembly to receive external dust or the influence of hydrous environment, guarantee the safe operation of transformer subassembly, and the hardness is higher after the epoxy resin glue condenses, can effectively protect the transformer subassembly, prevent that the transformer subassembly is destroyed.
In the above patent, only a single epoxy resin is used for filling and sealing to ensure tightness, which can not necessarily ensure the dustproof and dampproof effect inside, and the magnetic ring is not provided with a fixed structure, so that the stability of the magnetic ring can not be ensured, and the normal use of the coupling transformer is affected, therefore, the dustproof and dampproof fully-sealed signal coupling transformer is necessary to be provided.
Disclosure of Invention
The utility model mainly aims to provide a dustproof and moistureproof full-sealed signal coupling transformer, which can effectively solve the problems that in the background art, only a single epoxy resin is used for filling and sealing to ensure tightness, the dustproof and moistureproof effect inside the transformer is not necessarily ensured, a fixed structure is not adopted for a magnetic ring, the stability of the magnetic ring is not ensured, and the normal use of the coupling transformer is influenced.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a dustproof and dampproof fully-sealed signal coupling transformer comprises a mounting unit, a protective shell arranged at the top of the mounting unit, a magnetic connection unit arranged in the protective shell, and a magnetic circuit board
The supporting and fixing unit comprises a fixing ring fixedly connected to the center of the top of the mounting unit and a screw hole penetrating through the inner wall of the fixing ring;
the sealing connection unit comprises a rectangular frame fixedly connected to the outer surface of the bottom of the protective shell and a plug frame fixedly connected to the bottom of the rectangular frame.
Preferably, the mounting unit comprises a mounting seat and a plugging groove arranged at the center of the top of the mounting seat.
Preferably, the magnetic connection unit comprises an annular magnetic ring arranged at the top of the fixed ring, an enameled wire wound on the outer surface of the annular magnetic ring, and pins fixedly connected to the inner wall of the protective shell.
Preferably, the supporting and fixing unit further comprises a bearing plate fixedly connected to the outer peripheral surface of the fixing ring, an adjusting screw rod in the screw hole in a threaded mode, and a supporting and fixing pad fixedly connected to one end of the adjusting screw rod.
Preferably, the sealing connection unit further comprises fixing plates fixedly connected to two sides of the bottom of the rectangular frame, and mounting bolts which are in threaded connection with the inside of the fixing plates and used for fixing.
Preferably, the number of the adjusting screws and the number of the supporting and fixing pads are four, and the four adjusting screws are distributed between the fixed ring and the annular magnetic ring in an annular array;
the outer radian of the supporting and fixing pad is matched with the inner radian of the annular magnetic ring.
Preferably, the sealing connection unit further comprises a silica gel pad fixedly connected to the inner wall of the insertion groove and epoxy resin encapsulated between the inner wall of the protective shell and the annular magnetic ring.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the outer surface of the annular magnetic ring is wound with the enameled wire through the bearing plate fixed on the outer surface of the fixed ring, then the enameled wire is placed at the top of the bearing plate, and then the adjusting screw is rotated in the internal thread of the screw hole through rotating the adjusting screw, so that the adjusting screw drives the supporting and fixing pad to move towards the inner side wall of the annular magnetic ring until the four supporting and fixing pads contact the inner wall of the annular magnetic ring in a supporting and fixing way, the stability is provided in a manner that the inner side is supported and fixed everywhere, and the stability of the annular magnetic ring in the protecting shell is ensured, so that the use effect of the coupling transformer is ensured.
2. According to the utility model, the plug frame at the bottom of the protective shell is inserted into the plug groove, the plug frame and the plug groove are connected in a seamless manner through the material characteristics of the silica gel pad, so that a full sealing effect is formed, the protective shell and the mounting seat are completely sealed and mounted through the mounting bolts penetrating through the fixing plate and screwed into the mounting seat, and the epoxy resin is encapsulated between the inner wall of the protective shell and the annular magnetic ring, so that the transformer assembly is completely isolated from the external environment, the interference with external signals is reduced, the transformer assembly is prevented from being influenced by external dust or water-containing environment, and a good dustproof and dampproof effect is achieved.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of a partial perspective structure of the present utility model;
FIG. 3 is a schematic perspective view of a mounting base according to the present utility model;
FIG. 4 is a schematic top view of the present utility model in cross-section;
fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.
In the figure:
1. an installation unit; 101. a mounting base; 102. a plug-in groove;
2. a protective shell;
3. a magnetic connection unit; 301. an annular magnetic ring; 302. enamelled wires; 303. pins;
4. a propping unit; 401. a fixing ring; 402. a receiving plate; 403. a screw hole; 404. adjusting a screw; 405. a supporting and fixing pad;
5. sealing the connection unit; 501. a rectangular frame; 502. a plug frame; 503. a fixing plate; 504. installing a bolt; 505. a silica gel pad; 506. an epoxy resin.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1, 4 and 5, the present utility model is a dustproof and moistureproof fully sealed signal coupling transformer, which comprises a mounting unit 1, a protective shell 2 arranged at the top of the mounting unit 1, a magnetic connection unit 3 arranged inside the protective shell 2, and a transformer comprising
The supporting and fixing unit 4, wherein the supporting and fixing unit 4 comprises a fixed ring 401 fixedly connected to the center of the top of the mounting unit 1 and a screw hole 403 penetrating through the inner side wall of the fixed ring 401;
the sealing connection unit 5, the sealing connection unit 5 comprises a rectangular frame 501 fixedly connected to the outer surface of the bottom of the protective shell 2, and a plug frame 502 fixedly connected to the bottom of the rectangular frame 501.
The installation unit 1 comprises an installation seat 101 and a plug-in groove 102 arranged at the center of the top of the installation seat 101, wherein the inner dimension of the plug-in groove 102 is larger than the outer dimension of a plug-in frame 502, and the plug-in frame 502 is plugged into the plug-in groove 102.
The magnetic connection unit 3 comprises an annular magnetic ring 301 arranged at the top of the fixed ring 401, an enameled wire 302 wound on the outer surface of the annular magnetic ring 301, and a pin 303 fixedly connected to the inner wall of the protective shell 2, wherein one end of the enameled wire 302 is wound on the outer surface of the pin 303.
The supporting unit 4 further comprises a receiving plate 402 fixedly connected to the outer peripheral surface of the fixing ring 401, an adjusting screw 404 in the screw hole 403 in a threaded manner, and a supporting pad 405 fixedly connected to one end of the adjusting screw 404, the annular magnetic ring 301 is placed on the top of the receiving plate 402, the receiving plate 402 supports the annular magnetic ring 301, and the adjusting screw 404 is screwed in the screw hole 403 to enable the adjusting screw 404 to drive the supporting pad 405 to contact with the inner wall of the annular magnetic ring 301.
The number of the adjusting screws 404 and the number of the supporting and fixing pads 405 are four, the four adjusting screws 404 are distributed between the fixed ring 401 and the annular magnetic ring 301 in an annular array, the supporting and fixing pads 405 fixedly connected with one ends of the four adjusting screws 404 are tightly supported and fixed with the inner side wall of the annular magnetic ring 301, and the stability of the annular magnetic ring 301 is ensured by supporting and fixing the inner side around;
the outer curvature of the abutment pad 405 is adapted to the inner curvature of the annular magnetic ring 301.
Through the fixed accepting plate 402 of solid fixed ring 401 surface that sets up, twine enameled wire 302 with annular magnetic ring 301 surface after, place in accepting plate 402's top, then through rotating adjusting screw 404 at the internal thread rotation of screw 403, make adjusting screw 404 drive to support the fixed pad 405 and move towards annular magnetic ring 301's inside wall, until four support the fixed pad 405 with annular magnetic ring 301's inner wall support the solid contact to this guarantees annular magnetic ring 301 and places accepting plate 402's top in, and can adopt inboard mode of supporting to fix to provide stability.
Example 2
Referring to FIGS. 1-4, the utility model is a dustproof and moistureproof fully-sealed signal coupling transformer, which comprises a mounting unit 1, a protective shell 2 arranged at the top of the mounting unit 1, a magnetic connection unit 3 arranged inside the protective shell 2, and a transformer comprising
The supporting and fixing unit 4, wherein the supporting and fixing unit 4 comprises a fixed ring 401 fixedly connected to the center of the top of the mounting unit 1 and a screw hole 403 penetrating through the inner side wall of the fixed ring 401;
the sealing connection unit 5, the sealing connection unit 5 includes the rectangle frame 501 of fixed connection in the outer surface of protecting crust 2 bottom to and fixed connection is at the grafting frame 502 of rectangle frame 501 bottom, and the outside dimension of grafting frame 502 is less than the inside dimension of grafting groove 102, and the cross section size of rectangle frame 501 is greater than the outer surface size of grafting frame 502 to this cover formula structure avoids water to get into, plays dampproofing dirt-proof effect.
The installation unit 1 comprises an installation seat 101 and a plug-in groove 102 arranged at the center of the top of the installation seat 101, wherein the inner dimension of the plug-in groove 102 is larger than the outer dimension of a plug-in frame 502, and the plug-in frame 502 is plugged into the plug-in groove 102.
The magnetic connection unit 3 comprises an annular magnetic ring 301 arranged at the top of the fixed ring 401, an enameled wire 302 wound on the outer surface of the annular magnetic ring 301, and a pin 303 fixedly connected to the inner wall of the protective shell 2, wherein one end of the enameled wire 302 is wound on the outer surface of the pin 303.
The sealing connection unit 5 further comprises fixing plates 503 fixedly connected to two sides of the bottom of the rectangular frame 501, and mounting bolts 504 screwed inside the fixing plates 503 for fixing, wherein the bottoms of the fixing plates 503 at two sides are in contact with the top of the mounting seat 101, and the fixing plates are fixedly mounted through the mounting bolts 504.
The sealing connection unit 5 further comprises a silica gel pad 505 fixedly connected to the inner wall of the plugging groove 102, and epoxy resin 506 encapsulated between the inner wall of the protective shell 2 and the annular magnetic ring 301, wherein the silica gel pad 505 is tightly contacted with the inner wall and the outer wall of the plugging frame 502, so that the plugging frame 502 and the plugging groove 102 are in seamless connection, and a full sealing effect is formed.
Through the grafting groove 102 that sets up on the mount pad 101, insert the grafting frame 502 of the bottom of the rectangular frame 501 in protection shell 2 bottom the inner wall of grafting groove 102, the material characteristic of silica gel pad 505 is passed through to the interior outer wall of grafting frame 502, make seamless connection between grafting frame 502 and the grafting groove 102, thereby form full sealed effect, then pass through fixed plate 503 through mounting bolt 504 and twist to the inside of mount pad 101, make the complete sealed installation between protection shell 2 and the mount pad 101, and epoxy 506 embeds between protection shell 2 inner wall and cyclic annular magnetic ring 301, keep apart transformer assembly and external environment completely, reduce the interference with external signal, avoid the transformer assembly to receive external dust or the influence of hydrous environment, play good dustproof dampproofing effect.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a dustproof dampproofing full-sealed signal coupling transformer, includes installation unit (1), sets up in protecting crust (2) at installation unit (1) top to and set up in protecting crust (2) inside magnetism connect unit (3), its characterized in that still includes
The supporting unit (4) comprises a fixed ring (401) fixedly connected to the center of the top of the mounting unit (1), and a screw hole (403) penetrating through the inner side wall of the fixed ring (401);
the sealing connection unit (5), the sealing connection unit (5) comprises a rectangular frame (501) fixedly connected to the outer surface of the bottom of the protective shell (2) and a plug frame (502) fixedly connected to the bottom of the rectangular frame (501).
2. The dustproof and moistureproof hermetically sealed signal coupling transformer according to claim 1, wherein: the mounting unit (1) comprises a mounting seat (101) and a plugging groove (102) formed in the center of the top of the mounting seat (101).
3. The dustproof and moistureproof hermetically sealed signal coupling transformer according to claim 1, wherein: the magnetic connection unit (3) comprises an annular magnetic ring (301) arranged at the top of the fixed ring (401), an enameled wire (302) wound on the outer surface of the annular magnetic ring (301), and pins (303) fixedly connected to the inner wall of the protective shell (2).
4. The dustproof and moistureproof hermetically sealed signal coupling transformer according to claim 1, wherein: the supporting unit (4) further comprises a bearing plate (402) fixedly connected to the outer peripheral surface of the fixed ring (401), an adjusting screw (404) in the screw hole (403) in a threaded mode, and a supporting and fixing pad (405) fixedly connected to one end of the adjusting screw (404).
5. The dustproof and moistureproof hermetically sealed signal coupling transformer according to claim 1, wherein: the sealing connection unit (5) further comprises fixing plates (503) fixedly connected to two sides of the bottom of the rectangular frame (501), and mounting bolts (504) which are in threaded connection with the inside of the fixing plates (503) and used for fixing.
6. A dust-proof and moisture-proof hermetically sealed signal coupling transformer in accordance with any one of claims 1 to 4, wherein: the number of the adjusting screws (404) and the number of the supporting and fixing pads (405) are four, and the four adjusting screws (404) are distributed between the fixed ring (401) and the annular magnetic ring (301) in an annular array;
the outer radian of the supporting and fixing pad (405) is matched with the inner radian of the annular magnetic ring (301).
7. A dust-proof and moisture-proof hermetically sealed signal coupling transformer according to any one of claims 2 to 3, wherein: the sealing connection unit (5) further comprises a silica gel pad (505) fixedly connected to the inner wall of the inserting groove (102) and epoxy resin (506) which is encapsulated between the inner wall of the protective shell (2) and the annular magnetic ring (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320976414.2U CN219832342U (en) | 2023-04-26 | 2023-04-26 | Dustproof and moistureproof full-sealed signal coupling transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320976414.2U CN219832342U (en) | 2023-04-26 | 2023-04-26 | Dustproof and moistureproof full-sealed signal coupling transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219832342U true CN219832342U (en) | 2023-10-13 |
Family
ID=88247461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320976414.2U Active CN219832342U (en) | 2023-04-26 | 2023-04-26 | Dustproof and moistureproof full-sealed signal coupling transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219832342U (en) |
-
2023
- 2023-04-26 CN CN202320976414.2U patent/CN219832342U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |