CN214507754U

CN214507754U - High-heat-conductivity single-phase rectifier bridge

Info

Publication number: CN214507754U
Application number: CN202120839742.9U
Authority: CN
Inventors: 张国委
Original assignee: Shenzhen Weiwang Electronics Co ltd
Current assignee: Shenzhen Weiwang Electronics Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-26
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a high heat conduction single-phase rectifier bridge, which comprises a shell and a heat dissipation plate, wherein the heat dissipation plate is arranged at the top of the shell in a detachable way, the bottom of the shell is connected with a heat conduction box, a micro motor arranged at the bottom of the heat dissipation plate and the bottom end of the micro motor are connected with a fan blade box, the micro motor is started to drive the fan blade box to operate to generate airflow, one part of heat is absorbed by a heat conduction plate A and is conducted to a heat dissipation plate to dissipate heat, the other part of high temperature airflow is directly discharged through meshes to improve the heat conduction performance of the rectifier bridge, an inner groove arranged inside the heat conduction box and the bottom of the heat conduction box are provided with a connecting port, when the air outlet at the bottom of the fan blade box discharges air to the electric element for heat dissipation, the heat dissipation hot air flow impacts the surface of the heat conduction plate B, the heat conduction plate B and the heat conduction plate A are made of the same material, can adsorb the high temperature of contact to conduct to the shell outside through binding post, with this whole heat conduction heat dispersion of promotion rectifier bridge.

Description

High-heat-conductivity single-phase rectifier bridge

Technical Field

The utility model relates to a rectifier bridge technical field specifically is a high heat conduction single-phase rectifier bridge.

Background

The rectifier bridge is formed by sealing a rectifier tube in a shell. A full bridge and a half bridge. The full bridge seals four diodes of the connected bridge rectification circuit together. The half-bridge is to seal the two halves of the four diode bridge-type commutations together, and two half-bridges can form a bridge-type rectifying circuit, and one half-bridge can also form a full-wave rectifying circuit with a center tap of the transformer, and the rectifying circuit and the working voltage need to be considered when the rectifying bridge is selected.

At present current single-phase rectifier bridge adopts resin encapsulation layer encapsulation to form an overall structure between rectifier bridge body and the shell body, so the rectifier bridge body can only dispel the heat through the shell body, but the circuit board in close contact with of the bottom of shell body and installation leads to its bottom not to possess the radiating effect.

The problems described above are addressed. Therefore, a high-heat-conductivity single-phase rectifier bridge is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high heat conduction single-phase rectifier bridge, the micro motor installed at the bottom of the heat radiation plate is connected with the fan blade box with the bottom end, and the outer side of the fan blade box is provided with air outlets for ventilation, the fan blade box is connected with the bottom end of the micro motor, then the micro motor is fixed at the bottom of the heat radiation plate, the micro motor and the fan blade box are inserted into the element groove, the micro motor and the fan blade box are fixed in the element groove through the heat radiation plate and the fastener, the micro motor is started to drive the fan blade box to operate, the airflow blows into the square groove of the electric element from the air outlet, the high temperature in the electric element is blown into the element groove through the heat conduction holes, one part of the high temperature airflow entering the element groove is absorbed by the heat conduction plate A and is conducted to the radiating fins for heat radiation, the other part of the high temperature airflow is directly discharged through meshes, because the heat conduction plate A is a component made of silver-copper alloy material, the heat-conducting bridge has the advantages of good heat-conducting property, low manufacturing cost and the like, and can improve the heat-conducting property of the rectifier bridge, thereby solving the problems in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high heat conduction single-phase rectifier bridge, includes shell and heating panel, and the shell top is torn open and is provided with the heating panel, and the shell bottom is dismantled and is connected with the heat conduction case, the heating panel includes that the micro motor of its bottom installation is connected with the flabellum case rather than the bottom, and sets up the air outlet that is used for ventilative all around the flabellum case outside.

Preferably, the housing comprises an element groove formed in the housing and an electric element mounted in the inner cavity of the element groove, and a plurality of groups of radiating fins are arranged on the periphery of the outer side of the housing.

Preferably, the element groove comprises a heat conduction plate A arranged at the inner side of the element groove and a mesh hole which is used for ventilating the element groove and is penetrated through the side end of the heat conduction plate A.

Preferably, the electric element comprises a square groove formed in the top of the electric element in a penetrating mode and positioning columns arranged around the bottom of the electric element, and heat conduction holes formed in the outer side of the electric element and penetrating through the square groove are formed around the outer side of the electric element.

Preferably, the heat conducting box comprises an inner groove formed in the heat conducting box and a connector formed at the bottom of the heat conducting box, and a heat conducting plate B is arranged in the inner groove.

Preferably, the heat conducting plate B comprises a wiring terminal installed at the bottom of the heat conducting plate B, and positioning holes used for limiting the electric elements are formed in four corners of the top of the heat conducting plate B.

Preferably, the heat conducting plate A and the heat conducting plate B are made of the same material and are both members made of a silver-copper alloy material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a high heat conduction single-phase rectifier bridge, the micro motor installed at the bottom of the heat radiation plate is connected with the fan blade box with the bottom end, and the outside of the fan blade box is provided with the air outlet for ventilation all around, the fan blade box is connected with the bottom end of the micro motor, then the micro motor is fixed at the bottom of the heat radiation plate, the micro motor and the fan blade box are inserted into the element groove, the micro motor and the fan blade box are fixed in the element groove through the heat radiation plate and the fastener, the micro motor is started to drive the fan blade box to operate, the air flow blows into the square groove of the electric element from the air outlet, the high temperature in the electric element is blown into the element groove through the heat conduction hole, one part of the high temperature air flow entering the element groove is absorbed by the heat conduction plate A and is conducted to the heat radiation plate to radiate, the other part of the high temperature air flow is directly discharged through the mesh, because the heat conduction plate A is a component composed of silver-copper alloy material, the heat-conducting bridge has the advantages of good heat-conducting property, low manufacturing cost and the like, and can improve the heat-conducting property of the rectifier bridge.

2. The utility model provides a pair of single-phase rectifier bridge of high heat conduction, the connector has been seted up rather than the bottom in the inside groove of heat conduction case, and the inside heat-conducting plate B that is provided with of inside groove, insert the connector with heat-conducting plate B's binding post, make heat-conducting plate B fix in the inside groove of heat conduction case, reference column cooperation heat-conducting plate B's locating hole can promote the stability of electric element, and the electric element can not with heat-conducting plate B direct contact, when the air outlet of fan leaf bottom of the case portion dispels the heat to electric element air-out, radiating hot gas flow strikes heat-conducting plate B surface, and heat-conducting plate B is the same with heat-conducting plate A material, can adsorb the high temperature of contact, and conduct to the shell outside through binding post, promote the holistic heat conduction heat dispersion of rectifier bridge with this.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the housing of the present invention;

fig. 3 is a schematic structural diagram of an electrical component according to the present invention;

fig. 4 is a schematic structural view of the heat conduction box of the present invention.

In the figure: 1. a housing; 11. a component slot; 111. a heat conducting plate A; 112. mesh openings; 12. a heat sink; 13. an electrical element; 131. a square groove; 132. a positioning column; 133. a heat conduction hole; 2. a heat dissipation plate; 21. a micro motor; 22. a fan blade case; 23. an air outlet; 3. a heat conducting box; 31. an inner tank; 311. a connecting port; 32. a heat conducting plate B; 321. a wiring terminal; 322. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a high thermal conductivity single-phase rectifier bridge comprises a housing 1 and a heat sink 2, the heat sink 2 is detachably disposed on the top of the housing 1, the heat sink 3 is detachably connected to the bottom of the housing 1, the heat sink 2 comprises a micro motor 21 mounted on the bottom thereof and a fan blade case 22 connected to the bottom thereof, air outlets 23 for ventilation are disposed on the outer sides of the fan blade case 22, the housing 1 comprises a component slot 11 disposed therein and an electric component 13 mounted in the inner cavity thereof, a plurality of sets of heat sinks 12 are disposed on the outer sides of the housing 1, the component slot 11 comprises a heat conducting plate a111 mounted on the inner side thereof and a mesh 112 disposed on the side thereof for ventilation of the component slot 11, the electric component 13 comprises a square slot 131 disposed on the top thereof and a positioning column 132 disposed on the periphery of the bottom thereof, a heat conducting hole 133 disposed on the outer side of the electric component 13 and penetrating the square slot 131 is disposed on the outer side thereof, the micro motor 21 mounted on the bottom of the heat sink 2 and the fan blade case 22 connected to the bottom thereof, and the outer periphery of the fan blade box 22 is provided with an air outlet 23 for ventilation, the fan blade box 22 is connected with the bottom end of the micro motor 21, then the micro motor 21 is fixed at the bottom of the heat dissipation plate 2, the micro motor 21 and the fan blade box 22 are inserted into the element groove 11, the micro motor 21 and the fan blade box 22 are fixed in the element groove 11 through the heat dissipation plate 2 and a fastening piece, the micro motor 21 is started to drive the fan blade box 22 to operate, airflow is blown into the square groove 131 of the electric element 13 from the air outlet 23, the high temperature in the electric element 13 is blown into the element groove 11 through the heat conduction hole 133, one part of the high temperature airflow entering the element groove 11 is absorbed by the heat conduction plate A111 and is conducted to the heat dissipation plate 12 for heat dissipation, the other part of the high temperature airflow is directly discharged through the mesh 112, because the heat conduction plate A111 is a component made of silver-copper alloy material, the heat conduction plate has the advantages of good heat conduction performance and low cost, the heat conduction performance of the rectifier bridge can be improved.

Referring to fig. 3-4, a high thermal conductivity single-phase rectifier bridge, a thermal conductive box 3 includes an inner groove 31 formed therein and a connection port 311 formed at the bottom thereof, a thermal conductive plate B32 is disposed inside the inner groove 31, the thermal conductive plate B32 includes a connection terminal 321 mounted at the bottom thereof, positioning holes 322 for limiting an electric element 13 are formed at four corners of the top of the thermal conductive plate B32, the thermal conductive plate a111 and the thermal conductive plate B32 are made of the same material and are both members made of a silver-copper alloy material, the inner groove 31 formed inside the thermal conductive box 3 and the connection port 311 formed at the bottom thereof are formed at the inner groove 31, a thermal conductive plate B32 is disposed inside the inner groove 31, the connection terminal 321 of the thermal conductive plate B32 is inserted into the connection port 311, so that the thermal conductive plate B32 is fixed in the inner groove 31 of the thermal conductive box 3, the positioning post 132 is engaged with the positioning hole 322 of the thermal conductive plate B32 to improve the stability of the electric element 13, and the electric element 13 does not directly contact with the thermal conductive plate B32, when the air outlet 23 at the bottom of the blade box 22 discharges air to the electric element 13 for heat dissipation, the heat-dissipating hot air flow impacts the surface of the heat-conducting plate B32, and the heat-conducting plate B32 and the heat-conducting plate a111 are made of the same material, so that the contacted high temperature can be absorbed and conducted to the outside of the housing 1 through the wiring terminal 321, thereby improving the heat-conducting and heat-dissipating performance of the whole rectifier bridge.

The working principle is as follows: connecting the fan blade box 22 to the bottom end of the micro motor 21, fixing the micro motor 21 to the bottom of the heat dissipation plate 2, inserting the micro motor 21 and the fan blade box 22 into the element groove 11, fixing the micro motor 21 and the fan blade box 22 inside the element groove 11 through the heat dissipation plate 2 and the fastening member, starting the micro motor 21 to drive the fan blade box 22 to operate, blowing the air flow into the square groove 131 of the electric element 13 from the air outlet 23, blowing the high temperature inside the electric element 13 into the element groove 11 through the heat conduction hole 133, absorbing a part of the high temperature air flow entering the element groove 11 by the heat conduction plate A111 and conducting the heat to the heat dissipation plate 12 for heat dissipation, discharging the other part of the high temperature air flow through the mesh 112 directly, inserting the connection terminal 321 of the heat conduction plate B32 into the 311, fixing the heat conduction plate B32 in the inner groove connection port 31 of the heat conduction box 3, matching the positioning column 132 with the positioning hole 322 of the heat conduction plate B32 to improve the stability of the electric element 13, and the electric element 13 will not contact with the heat conducting plate B32 directly, when the air outlet 23 at the bottom of the blade box 22 discharges air to the electric element 13 for heat dissipation, the heat dissipation hot air flow impacts the surface of the heat conducting plate B32, and the heat conducting plate B32 and the heat conducting plate a111 are made of the same material, so as to absorb the contact high temperature and conduct the heat to the outside of the housing 1 through the wiring terminal 321.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high heat conduction single-phase rectifier bridge, includes shell (1) and heating panel (2), and shell (1) top is torn open and is provided with heating panel (2), and shell (1) bottom is dismantled and is connected with heat conduction case (3), its characterized in that: the heat dissipation plate (2) comprises a micro motor (21) arranged at the bottom of the heat dissipation plate and a fan blade box (22) connected with the bottom end of the heat dissipation plate, and air outlets (23) used for ventilating are formed in the periphery of the outer side of the fan blade box (22).

2. The high thermal conductivity single-phase rectifier bridge of claim 1, wherein: the shell (1) comprises an element groove (11) formed in the shell and an electric element (13) arranged in the inner cavity of the element groove, and a plurality of groups of radiating fins (12) are arranged on the periphery of the outer side of the shell (1).

3. A highly thermally conductive single-phase rectifier bridge as claimed in claim 2, wherein: the element groove (11) comprises a heat conduction plate A (111) arranged on the inner side of the element groove and a mesh (112) which is used for ventilating the element groove (11) and is arranged on the side end of the element groove in a penetrating way.

4. A highly thermally conductive single-phase rectifier bridge as claimed in claim 2, wherein: the electric element (13) comprises a square groove (131) which is formed by penetrating through the top of the electric element and positioning columns (132) which are arranged around the bottom of the electric element, and heat conducting holes (133) which are formed by penetrating through the square groove (131) are formed around the outer side of the electric element (13).

5. The high thermal conductivity single-phase rectifier bridge of claim 1, wherein: the heat conduction box (3) comprises an inner groove (31) formed in the heat conduction box and a connecting port (311) formed in the bottom of the heat conduction box, and a heat conduction plate B (32) is arranged in the inner groove (31).

6. The high thermal conductivity single-phase rectifier bridge of claim 5, wherein: the heat-conducting plate B (32) is provided with the wiring terminal (321) including its bottom, and the locating hole (322) that are used for spacing electric element (13) are seted up to heat-conducting plate B (32) top four corners.

7. A highly thermally conductive single-phase rectifier bridge according to claim 3, wherein: the heat conducting plate A (111) and the heat conducting plate B (32) are made of the same material and are both members made of silver-copper alloy materials.