CN212518817U - Bridge rectifier with radiating fins - Google Patents
Bridge rectifier with radiating fins Download PDFInfo
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- CN212518817U CN212518817U CN202021106375.3U CN202021106375U CN212518817U CN 212518817 U CN212518817 U CN 212518817U CN 202021106375 U CN202021106375 U CN 202021106375U CN 212518817 U CN212518817 U CN 212518817U
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- rectifier
- groove
- bridge rectifier
- heat dissipation
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Abstract
The utility model discloses a bridge rectifier with radiating fins, which comprises a base, an end cover and a radiating structure; the middle part of the base is provided with a mounting groove, a rectifier circuit is arranged in the mounting groove, and two ends of the base are provided with symmetrically distributed fixing structures; the end cover is positioned at the upper end of the base, the four corners of the end cover are connected with the base through external screws, and a sealing structure is arranged between the base and the end cover; the advantages are that: the bridge rectifier has a corresponding sealing structure, so that the sealing performance of the bridge rectifier can be effectively improved, the loss of insulating resin easily generated in the use process of the rectifier is effectively avoided, and the normal use of the bridge rectifier is ensured; possess corresponding heat radiation structure, can guarantee the heat dissipation of this rectifier bottom through heat radiation structure, and then the effectual holistic radiating efficiency that improves the rectifier has effectively avoided the rectifier because of the not good damage that probably causes of radiating effect, has effectively guaranteed the life of this bridge rectifier.
Description
Technical Field
The utility model relates to a rectifier technical field, concretely relates to bridge rectifier with fin.
Background
The rectifier is a device for converting alternating current into direct current, wherein the bridge rectifier is common, the bridge rectifier is often encapsulated by insulating resin to ensure self shock resistance and moisture resistance, however, the thermal conductivity of the insulating resin is small, so that corresponding radiating fins are often required to be added on the rectifier to ensure the radiating performance of the rectifier, however, the existing rectifier has certain defects in the use process, a sealing cover and a rectifier base are often connected by using a colloid, the sealing performance is poor, the insulating resin is easy to run off, in addition, the base of the rectifier is fixed and lacks a corresponding radiating structure, and the radiating efficiency of the rectifier is greatly influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge rectifier with fin for solving above-mentioned problem, have advantages such as the leakproofness is good, bottom good heat dissipation, see the explanation below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a bridge rectifier with radiating fins, which comprises a base, an end cover and a radiating structure;
the middle part of the base is provided with a mounting groove, a rectifier circuit is arranged in the mounting groove, and two ends of the base are provided with symmetrically distributed fixing structures;
the end cover is positioned at the upper end of the base, the four corners of the end cover are connected with the base through external screws, and a sealing structure is arranged between the base and the end cover;
the heat radiation structure is located the lower extreme of base, guarantees the leakproofness of base and end cover junction through seal structure, avoids rectifier internal insulation resin to flow out, guarantees the heat dissipation of rectifier bottom through heat radiation structure, avoids the not good defect of traditional rectifier bottom radiating effect.
Preferably, the fixing structure comprises a sinking groove, the sinking groove is located in the middle of the base, and a first threaded hole is formed in the bottom end face of the sinking groove, so that the rectifier is normally fixed during use.
Preferably, the sealing structure comprises a sealing groove, the sealing groove is located in the middle of the upper end face of the base, the sealing groove and the end covers are installed in a matched mode, a rubber sealing gasket is arranged inside the sealing groove, installation of the base and the end covers is guaranteed, and a foundation is laid for sealing the joint of the base and the end covers due to the rubber sealing gasket.
Preferably, through holes corresponding to external screws are formed in four corners of the rubber sealing gasket, and the external screws penetrate through the through holes, so that the rubber sealing gasket is prevented from influencing connection between the base and the end cover.
Preferably, the four corners of the end cover and the sealing groove are provided with second threaded holes corresponding to external screws, and the external screws and the second threaded holes are installed in a matched mode, so that normal connection between the base and the end cover is guaranteed.
Preferably, the heat dissipation structure comprises a groove, the groove is located in the middle of the lower end face of the base, heat dissipation fins are bonded to the bottom end face of the groove, heat dissipation grooves are formed in the front end face and the rear end face of the groove, heat dissipation is accelerated through the heat dissipation fins, gas exchange between the inside and the outside of the groove is guaranteed through the heat dissipation grooves, and heat dissipation efficiency is improved.
Preferably, the heat dissipation grooves are communicated with the grooves, and the heat dissipation grooves are distributed on the lower end face of the base at equal intervals from left to right, so that a foundation is laid for gas exchange between the inside and the outside of the grooves.
Has the advantages that:
the bridge rectifier has a corresponding sealing structure, so that the sealing performance of the bridge rectifier can be effectively improved, the loss of insulating resin easily generated in the use process of the rectifier is effectively avoided, and the normal use of the bridge rectifier is ensured;
possess corresponding heat radiation structure, can guarantee the heat dissipation of this rectifier bottom through heat radiation structure, and then the effectual holistic radiating efficiency that improves the rectifier has effectively avoided the rectifier because of the not good damage that probably causes of radiating effect, has effectively guaranteed the life of this bridge rectifier.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic perspective view of fig. 1 according to the present invention;
fig. 3 is a schematic sectional view of the perspective front view of fig. 1 according to the present invention.
The reference numerals are explained below:
1. a base; 2. an end cap; 3. a sealing structure; 31. a rubber gasket; 32. a through hole; 33. a sealing groove; 4. a heat dissipation structure; 41. a heat dissipation groove; 42. a heat sink; 43. a groove; 5. a fixed structure; 51. sinking a groove; 52. a first threaded hole; 6. mounting grooves; 7. a rectifier circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a bridge rectifier with heat dissipation fins, which includes a base 1, an end cap 2 and a heat dissipation structure 4; the middle part of the base 1 is provided with a mounting groove 6, a rectifier circuit 7 is arranged inside the mounting groove 6, two ends of the base 1 are respectively provided with a fixed structure 5 which is symmetrically distributed, each fixed structure 5 comprises a sinking groove 51, the sinking groove 51 is positioned in the middle part of the base 1, and the bottom end surface of the sinking groove 51 is provided with a first threaded hole 52, so that the rectifier is normally fixed when in use; the end cover 2 is positioned at the upper end of the base 1, the four corners of the end cover 2 are connected with the base 1 through external screws, the sealing structure 3 is arranged between the base 1 and the end cover 2, the sealing structure 3 comprises a sealing groove 33, the sealing groove 33 is positioned in the middle of the upper end face of the base 1, the sealing groove 33 is installed in cooperation with the end cover 2, a rubber sealing gasket 31 is arranged inside the sealing groove 33 to ensure the installation of the base 1 and the end cover 2, the rubber sealing gasket 31 lays a foundation for the sealing of the joint of the base 1 and the end cover 2, the four corners of the rubber sealing gasket 31 are provided with through holes corresponding to the external screws, the external screws penetrate through the through holes to avoid the influence of the rubber sealing gasket 31 on the connection between the base 1 and the end cover 2, the four corners of the end cover 2 and the sealing groove 33 are provided with second threaded holes corresponding to; heat radiation structure 4 is located the lower extreme of base 1, heat radiation structure 4 includes recess 43, recess 43 is located the lower terminal surface middle part of base 1, the bottom face of recess 43 bonds there is fin 42, both ends all are equipped with heat dissipation slot 41 around the recess 43, dispel the heat with higher speed through fin 42, guarantee the gas exchange between recess 43 inside and the outside through heat dissipation slot 41, the heat dissipation efficiency is improved, heat dissipation slot 41 and recess 43 are linked together, heat dissipation slot 41 distributes from a left side to the right side equidistance at the lower terminal surface of base 1, establish the basis for the gas exchange between recess 43 inside and the outside, guarantee the leakproofness of base 1 and end cover 2 junction through seal structure 3, avoid rectifier internal insulation resin to flow out, guarantee the heat dissipation of rectifier bottom through heat radiation structure 4, avoid the not good defect of traditional rectifier bottom radiating effect.
Adopt above-mentioned structure:
after insulating resin is injected into the mounting groove 6, the end cover 2 is mounted, the sealing performance of the joint of the base 1 and the end cover 2 is guaranteed through the sealing structure 3, the outflow of insulating resin inside the rectifier is avoided, the rectifier is guaranteed to be fixedly mounted through the matching of the first threaded hole 52 in the fixing structure 5 and an external screw, the heat dissipation of the bottom end of the rectifier can be guaranteed through the existence of the heat dissipation structure 4 during the operation of the rectifier, and the defect that the heat dissipation effect of the bottom end of the traditional rectifier is poor is avoided.
It is worth noting that:
as shown in fig. 2 and 3, the middle portion of the end cap 2 is provided with a corresponding partition plate, a block-shaped heat sink, and a third threaded hole, wherein the third threaded hole is used for ensuring the installation of a compression screw and the connection of an external circuit and the rectifier, the block-shaped heat sink is used for improving the heat dissipation efficiency of the upper end of the rectifier, the partition plate can reduce the contact between external wires and avoid the occurrence of short circuit, which is a common sense problem and therefore will not be described in detail.
The utility model has the advantages that:
the bridge rectifier is provided with the corresponding sealing structure 3, so that the sealing performance of the bridge rectifier can be effectively improved, the insulating resin is effectively prevented from being easily lost in the use process of the rectifier, and the normal use of the bridge rectifier is ensured;
possess corresponding heat radiation structure 4, can guarantee the heat dissipation of this rectifier bottom through heat radiation structure 4, and then the effectual holistic radiating efficiency that improves the rectifier has effectively avoided the rectifier because of the not good damage that probably causes of radiating effect, has effectively guaranteed the life of this bridge rectifier.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A bridge rectifier with fins, comprising: comprises a base (1), an end cover (2) and a heat dissipation structure (4);
the middle of the base (1) is provided with an installation groove (6), a rectifier circuit (7) is arranged inside the installation groove (6), and two ends of the base (1) are respectively provided with a fixed structure (5) which are symmetrically distributed;
the end cover (2) is positioned at the upper end of the base (1), the four corners of the end cover (2) are connected with the base (1) through external screws, and a sealing structure (3) is arranged between the base (1) and the end cover (2);
the heat dissipation structure (4) is located at the lower end of the base (1).
2. A bridge rectifier having fins according to claim 1, wherein: the fixing structure (5) comprises a sinking groove (51), the sinking groove (51) is located in the middle of the base (1), and a first threaded hole (52) is formed in the bottom end face of the sinking groove (51).
3. A bridge rectifier having fins according to claim 1, wherein: seal structure (3) are including seal groove (33), seal groove (33) are located the up end middle part of base (1), seal groove (33) and end cover (2) cooperation installation, the inside of seal groove (33) is equipped with rubber packing pad (31).
4. A bridge rectifier having fins according to claim 3, wherein: through holes corresponding to external screws are formed in the four corners of the rubber sealing gasket (31), and the external screws penetrate through the through holes.
5. A bridge rectifier having fins according to claim 1 or 3, wherein: and the four corners of the end cover (2) and the sealing groove (33) are provided with second threaded holes corresponding to external screws, and the external screws and the second threaded holes are installed in a matched mode.
6. A bridge rectifier having fins according to claim 1, wherein: the heat dissipation structure (4) comprises a groove (43), the groove (43) is located in the middle of the lower end face of the base (1), heat dissipation fins (42) are bonded to the bottom end face of the groove (43), and heat dissipation grooves (41) are formed in the front end and the rear end of the groove (43).
7. A bridge rectifier having fins according to claim 6, wherein: the heat dissipation grooves (41) are communicated with the grooves (43), and the heat dissipation grooves (41) are distributed on the lower end face of the base (1) at equal intervals from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021106375.3U CN212518817U (en) | 2020-06-16 | 2020-06-16 | Bridge rectifier with radiating fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021106375.3U CN212518817U (en) | 2020-06-16 | 2020-06-16 | Bridge rectifier with radiating fins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212518817U true CN212518817U (en) | 2021-02-09 |
Family
ID=74388622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021106375.3U Active CN212518817U (en) | 2020-06-16 | 2020-06-16 | Bridge rectifier with radiating fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212518817U (en) |
-
2020
- 2020-06-16 CN CN202021106375.3U patent/CN212518817U/en active Active
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