CN213279509U - Bridge rectifier with good heat dissipation performance - Google Patents
Bridge rectifier with good heat dissipation performance Download PDFInfo
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- CN213279509U CN213279509U CN202022569800.9U CN202022569800U CN213279509U CN 213279509 U CN213279509 U CN 213279509U CN 202022569800 U CN202022569800 U CN 202022569800U CN 213279509 U CN213279509 U CN 213279509U
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Abstract
The utility model discloses a bridge rectifier with good heat dissipation, which comprises a rectifier main body consisting of two first corner workpieces and two second corner workpieces, wherein two opposite angles of the first corner workpieces and two opposite angles of the second corner workpieces are arranged at the four corners of a rectangle, the lower sides of the two ends of each first corner workpiece are fixedly connected with a plurality of first connecting shafts which are uniformly distributed, the first connecting shafts are matched and connected with the second angle workpieces through second connecting holes arranged at corresponding positions of the second angle workpieces, the upper sides of two ends of each second angle workpiece are fixedly connected with a plurality of second connecting shafts which are uniformly distributed, the first corner workpiece and the two second corner workpieces can be connected with each other stably and greatly through the matching of the first connecting shaft and the second connecting hole and the matching of the second connecting shaft and the first connecting hole, the contact area is increased, and a large amount of heat generated due to poor contact is reduced.
Description
Technical Field
The utility model relates to a bridge rectifier technical field, concretely relates to good heat dissipation's bridge rectifier.
Background
The bridge rectifier is made the bridge connection by four rectifier silicon chips, and external insulating molding material encapsulation forms, and high-power bridge rectifier adds the encapsulation of zinc metal shell outside the insulating layer, reinforcing heat dissipation, but among the prior art, because the unstability of connecting each other can lead to contact failure, and lead to producing a large amount of heats to make the heat dissipation in time influence performance.
SUMMERY OF THE UTILITY MODEL
The objective of the present invention is to provide a bridge rectifier with good heat dissipation for solving the above problems, which has the advantages of greatly improving the stability of connection, reducing the large amount of heat generated by bad contact, and the like, and is described in detail below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of good heat dissipation's bridge rectifier, include the rectifier main part of constituteing by two first angle work pieces and two second angle work pieces, two first angle work piece diagonal angles and two second angle work piece diagonal angles set up in rectangular four corners department, every the first connecting axle of the equal fixedly connected with evenly distributed's of both ends downside of first angle work piece a plurality of, some second connecting holes and second angle work piece cooperation are seted up through second angle work piece corresponding position to first connecting axle, every the equal fixedly connected with evenly distributed's of both ends upside of second angle work piece a plurality of second connecting axle, the second connecting axle is seted up some first connecting hole cooperations through first angle work piece corresponding position and is connected.
Adopt above-mentioned structure, when connecting between first angle work piece and two second angle work pieces, realize the connection of first angle work piece and second angle work piece through the cooperation of first connecting axle and second connecting hole, the connection of first angle work piece and second angle work piece is realized in the cooperation of second connecting axle and first connecting hole to contact more abundant when can realizing first angle work piece and second angle work piece and connect more firmly, thereby it is too big to reduce the heat because of the too big production of the resistance that contact failure leads to.
Preferably, the first connecting holes and the first connecting shafts are distributed in an equal-angle staggered manner, and the second connecting shafts and the second connecting holes are distributed in an equal-angle staggered manner.
Preferably, the first connecting hole and the first connecting shaft are in transition fit, and the second connecting shaft and the second connecting hole are in transition fit.
Preferably, the joint of the first corner workpiece and the second corner workpiece is fixedly connected in a welding manner.
Preferably, a plurality of heat dissipation rib plates which are uniformly distributed are formed on the upper side of the first corner workpiece close to the connection part of the first corner workpiece and the second corner workpiece.
Preferably, the outer surfaces of the first corner piece and the second corner piece are plated with a layer of copper tin plating.
Preferably, the heat dissipation ribs and the first connection holes are distributed in a staggered manner.
Has the advantages that: 1. the first connecting shaft is matched with the second connecting hole, the second connecting shaft is matched with the first connecting hole, so that the connection stability of the first corner workpiece and the two second corner workpieces can be greatly improved, the contact area is improved, and a large amount of heat generated due to poor contact is reduced;
2. the overall heat dissipation performance can be improved again through the heat dissipation rib plates and the copper tin plating on the outer surfaces of the first corner workpiece and the second corner workpiece.
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;
figure 2 is a top view of the present invention from figure 1;
fig. 3 is a bottom view of fig. 1 of the present invention;
fig. 4 is a perspective view of fig. 1 of the present invention.
The reference numerals are explained below: 1. a first corner workpiece; 1a, a first connection hole; 1b, a first connecting shaft; 2. a second corner piece; 2a, a second connecting shaft; 2b, a second connecting hole; 3. a heat dissipation rib plate; 4. and (4) a support plate.
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. 1-4, the utility model provides a bridge rectifier that good heat dissipation, include the rectifier main part of constituteing by two first angle work pieces 1 and two second angle work pieces 2, two first angle work pieces 1 diagonal angles and two second angle work pieces 2 diagonal angles set up in rectangular four corners department, the equal fixedly connected with evenly distributed's of the both ends downside of every first angle work piece 1 first connecting axle 1b, first connecting axle 1b corresponds the second connecting hole 2b that the position was seted up through second angle work piece 2 and is connected with the cooperation of second angle work piece 2, the equal fixedly connected with evenly distributed's of both ends upside of every second angle work piece 2a plurality of second connecting axle 2a, second connecting axle 2a corresponds the position through first angle work piece 1 and sets up some first connecting holes 1a cooperation and connects.
The first connecting holes 1a and the first connecting shafts 1b are distributed in an equal-angle staggered manner, and the second connecting shafts 2a and the second connecting holes 2b are distributed in an equal-angle staggered manner. A more stable connection of the first corner piece 1 and the second corner piece 2 can be achieved.
The first connecting hole 1a and the first connecting shaft 1b are in transition fit, and the second connecting shaft 2a and the second connecting hole 2b are in transition fit. The contact area and the stability can be improved, and the phenomenon that the resistance is overlarge due to poor contact so as to generate larger heat is avoided.
The joint of the first angle workpiece 1 and the second angle workpiece 2 is fixedly connected in a welding mode. The stability of the connection of the first corner piece 1 and the second corner piece 2 is enhanced.
A plurality of radiating rib plates 3 which are uniformly distributed are formed on the upper side of the first corner workpiece 1 close to the connection part of the first corner workpiece and the second corner workpiece 2. The heat dissipation performance of the joint of the first corner workpiece 1 and the second corner workpiece 2 is improved.
The outer surfaces of the first corner piece 1 and the second corner piece 2 are plated with a layer of copper tin plating. The heat dissipation effect is improved.
The heat dissipation ribs 3 are distributed alternately with the first connection holes 1 a. The heat dissipation rib 3 and the first connection hole 1a are distributed in a staggered manner, so that the connection position of the first connection hole 1a and the second connection shaft 2a can be dissipated.
1. The stability of the connection between the first corner workpiece 1 and the two second corner workpieces 2 can be greatly improved through the matching of the first connecting shaft 1b and the second connecting hole 2b and the matching of the second connecting shaft 2a and the first connecting hole 1a, the contact area is improved, and a large amount of heat generated due to poor contact is reduced;
2. the overall heat dissipation performance can be improved again by the heat dissipation rib 3 and the copper tinning of the outer surfaces of the first and second corner pieces 1 and 2.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection 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 good heat dissipation performance is characterized in that: including the rectifier main part of constituteing by two first angle work pieces (1) and two second angle work pieces (2), two first angle work piece (1) diagonal angles and two second angle work piece (2) diagonal angles set up in rectangular four corners department, every the equal fixedly connected with a plurality of first connecting axle (1b) of evenly distributed of both ends downside of first angle work piece (1), first connecting axle (1b) corresponds second connecting hole (2b) that the position was seted up through second angle work piece (2) and is connected with second angle work piece (2) cooperation, every the equal fixedly connected with a plurality of second connecting axle (2a) of evenly distributed of both ends upside of second angle work piece (2), second connecting axle (2a) correspond the position through first angle work piece (1) and set up some first connecting holes (1a) cooperation and connect.
2. A bridge rectifier according to claim 1, further comprising: first connecting hole (1a) and first connecting shaft (1b) adopt equal angle staggered distribution, second connecting shaft (2a) and second connecting hole (2b) adopt equal angle staggered distribution.
3. A bridge rectifier according to claim 1, further comprising: first connecting hole (1a) and first connecting shaft (1b) adopt transition fit, second connecting shaft (2a) and second connecting hole (2b) adopt transition fit.
4. A bridge rectifier according to claim 1, further comprising: the joint of the first angle workpiece (1) and the second angle workpiece (2) is fixedly connected in a welding mode.
5. A bridge rectifier according to claim 1, further comprising: a plurality of radiating rib plates (3) which are uniformly distributed are formed on the upper side of the first corner workpiece (1) close to the connection part of the first corner workpiece and the second corner workpiece (2).
6. A bridge rectifier according to claim 1, further comprising: the outer surfaces of the first corner workpiece (1) and the second corner workpiece (2) are plated with a layer of copper and tin.
7. A bridge rectifier according to claim 1, further comprising: the heat dissipation rib plates (3) and the first connecting holes (1a) are distributed in a staggered mode.
Priority Applications (1)
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CN202022569800.9U CN213279509U (en) | 2020-11-09 | 2020-11-09 | Bridge rectifier with good heat dissipation performance |
Applications Claiming Priority (1)
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CN202022569800.9U CN213279509U (en) | 2020-11-09 | 2020-11-09 | Bridge rectifier with good heat dissipation performance |
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CN213279509U true CN213279509U (en) | 2021-05-25 |
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