Heat dissipation plate and rectifier bridge thereof

Abstract

The utility model discloses a heat dissipation plate and a rectifier bridge thereof, and the heat dissipation plate comprises installation plates which are fixedly attached to the surfaces of the two sides of the rectifier bridge, and the installation plates are arranged in an arc shape. A plurality of annular plates are uniformly distributed on the mounting plate; a plurality of inner heat dissipation strips are arranged on the inner wall of the annular plate in an annular array mode, the inner ends of the inner heat dissipation strips abut against the outer wall of the main rectifier diode, and a plurality of outer heat dissipation strips are evenly distributed on the outer wall of the annular plate. According to the utility model, the inner heat dissipation strips are tightly attached to the outer wall of the main rectifier diode, so that heat generated by the main rectifier diode can be quickly absorbed and efficiently transmitted to the outer heat dissipation strips through the annular plate. The outer heat dissipation strips are designed in a wave shape, so that the heat dissipation area is increased, the air flowing path is optimized, and heat can be transmitted to the external environment of the rectifier bridge more quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of heat sink and its rectifier bridge, belong to rectifier bridge technical field. BACKGROUND

[0002] As the key energy conversion component, the performance stability and service life of rectifier bridge are crucial to the operation of the whole system. However, a large amount of heat will be generated during the operation of the rectifier bridge, which will cause the internal temperature of the rectifier bridge to rise, and further cause performance degradation, damage or failure if not dissipated in time and effectively. The traditional cooling method often uses simple cooling fins or fans for cooling, but this method has the problems of low cooling efficiency and uneven cooling, which is difficult to meet the demand of high power density and long-term stable operation of the rectifier bridge. In order to overcome the shortcomings of the traditional cooling method, a kind of heat sink and its rectifier bridge are proposed. SUMMARY

[0003] In view of the above technical deficiencies, the purpose of the utility model is to provide a kind of heat sink and its rectifier bridge, which realizes the efficient emission of heat generated by the rectifier bridge.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a kind of heat sink, which comprises:

[0005] A mounting plate is fixedly attached to the two side surfaces of the rectifier bridge, and the mounting plate is arranged in an arc shape.

[0006] A plurality of ring plates are evenly distributed on the mounting plate.

[0007] Among them, a plurality of inner heat dissipation strips are arranged in a ring array on the inner wall of the ring plate, the inner end of the inner heat dissipation strip abuts against the outer wall of the main rectifier diode, and a plurality of outer heat dissipation strips are evenly distributed on the outer wall of the ring plate.

[0008] Preferably, the middle part of the inner heat dissipation strip is curved upward.

[0009] In a natural state, the circle surrounded by the inner ends of the plurality of inner heat dissipation strips is larger than the main rectifier diode, and the inner end height of the inner heat dissipation strip is lower than the lower surface of the ring plate.

[0010] Preferably, the inner end of the inner heat dissipation strip is in an arc shape that is adapted to the outer wall of the main rectifier diode.

[0011] Preferably, the outer heat dissipation strip is in a wave shape, the outer heat dissipation strip is attached to the surface of the rectifier bridge, and the outer end of the outer heat dissipation strip extends to the outside of the rectifier bridge.

[0012] Preferably, ventilation grooves are provided on the upper and lower surfaces of the ring plate to provide additional channels for heat dissipation, which helps air circulation and accelerates convective heat dissipation.

[0013] Preferably, a plurality of heat dissipation fins are evenly arranged on the side walls of the mounting plate, and adjacent two heat dissipation fins are arranged in a spaced manner, and one side of the heat dissipation fin is attached to the surface of the rectifier bridge.

[0014] Preferably, the mounting plate, the ring plate and the heat dissipation fins are integrally formed, and the inner heat dissipation strip and the outer heat dissipation strip are welded on the side wall of the ring plate.

[0015] Preferably, the mounting plate, the ring plate, the inner heat dissipation strip, the outer heat dissipation strip and the heat dissipation fins are all made of aluminum material.

[0016] Preferably, a plurality of mounting holes are arranged on the surface of the mounting plate, and the mounting holes are matched with connecting members such as bolts to facilitate the mounting and fixing of the heat dissipation plate on the rectifier bridge.

[0017] Preferably, the rectifier bridge comprises the heat dissipation plate according to any one of the technical solutions.

[0018] Compared with the prior art, the rectifier bridge has the following advantages:

[0019] 1. The inner heat dissipation strip is closely attached to the outer wall of the main rectifier diode, which can quickly absorb the heat generated by the main rectifier diode, and the heat is efficiently transferred to the outer heat dissipation strip through the ring plate. The outer heat dissipation strip is designed in a wave shape, which not only increases the heat dissipation area, but also optimizes the air flow path, so that the heat can be quickly transferred to the external environment of the rectifier bridge. At the same time, the ventilation grooves provide convenience for air circulation and accelerate the convective heat dissipation process. The heat generated by the rectifier bridge during operation can be quickly and effectively dissipated, thereby avoiding the performance degradation or damage of the rectifier bridge due to overheating, ensuring the stable operation of the rectifier bridge and prolonging its service life.

[0020] 2. Each ring plate is sleeved on the main rectifier diode on the rectifier bridge, and the inner end of the inner heat dissipation strip is lower than the lower surface of the ring plate. During the initial installation, the inner end of the inner heat dissipation strip first contacts the surface of the rectifier bridge. With the fixing of the mounting plate, the inner end of the inner heat dissipation strip is extruded during the pressing of the ring plate, causing the inner heat dissipation strip to deform and closely attach to the outer wall of the main rectifier diode. This ensures the close contact between the inner heat dissipation strip and the main rectifier diode, thereby effectively improving the heat transfer efficiency and ensuring the stable operation of the rectifier bridge. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an installation structure diagram of the utility model;

[0022] Figure 2 It is an overall structure diagram of the utility model;

[0023] Figure 3The utility model discloses a top view of the utility model;

[0024] Figure 4 The utility model discloses an elevation structure schematic view of the utility model;

[0025] Figure 5 Be Figure 4 The utility model discloses an A place enlarged view of the utility model;

[0026] Figure 6 The utility model discloses a section view of the utility model's ring plate, inner heat dissipation strip and outer heat dissipation strip.

[0027] In the drawing,

[0028] 1, mounting plate, 101, mounting hole;

[0029] 2, ring plate, 201, inner heat dissipation strip, 202, outer heat dissipation strip, 203, ventilation groove;

[0030] 3, heat dissipation fin. Specific implementation

[0031] The utility model is explained below with specific embodiment, but is not the limitation of the utility model.

[0032] Example one

[0033] As Figures 1-6 Shown, in the embodiment, provide a kind of heat dissipation plate, including mounting plate 1, mounting plate 1 as the basic structure of heat dissipation plate, it is fixedly attached on the surface of two sides of rectifier bridge, provides support and installation platform for entire heat dissipation system.It is arranged in arc shape, can better adapt to the appearance of rectifier bridge, ensure that it is attached closely, improve heat dissipation efficiency;Multiple ring plates 2 are uniformly distributed on mounting plate 1;Among them, multiple inner heat dissipation strips 201 are arranged in the form of annular array on the inner wall of ring plate 2, the inner end of inner heat dissipation strip 201 is abutted on the outer wall of main rectifier diode, multiple outer heat dissipation strips 202 are uniformly distributed on the outer wall of ring plate 2, ring plate 2, ring plate 2 is uniformly distributed on mounting plate 1 and plays the role of connecting and supporting inner heat dissipation strip 201 and outer heat dissipation strip 202.Ring plate 2 helps to more effectively transfer the heat generated by rectifier bridge to heat dissipation strip and diffuse.

[0034] Outer heat dissipation strip 202 is in wave shape, outer heat dissipation strip 202 is attached to the surface of rectifier bridge, and the outer end of outer heat dissipation strip 202 extends to the outside of rectifier bridge, and the wave shape design of outer heat dissipation strip 202 increases the heat dissipation area and improves the heat dissipation efficiency. They are attached to the surface of rectifier bridge and transfer heat to the external environment of rectifier bridge, and the extension part of outer heat dissipation strip 202 helps to further increase the heat dissipation area and accelerate heat dissipation.

[0035] The upper and lower surfaces of the ring plate 2 are provided with ventilation grooves 203, which provide additional channels for heat dissipation, facilitate air circulation, and accelerate convective heat dissipation.

[0036] The side walls of the mounting plate 1 are uniformly provided with a plurality of heat dissipation fins 3, and adjacent two heat dissipation fins 3 are spaced apart. One side of the heat dissipation fin 3 is attached to the surface of the rectifier bridge, further helping to transfer heat to the external environment.

[0037] The mounting plate 1, the ring plate 2, and the heat dissipation fin 3 are integrally formed, and the inner heat dissipation strip 201 and the outer heat dissipation strip 202 are welded on the side wall of the ring plate 2.

[0038] The mounting plate 1, the ring plate 2, the inner heat dissipation strip 201, the outer heat dissipation strip 202, and the heat dissipation fin 3 are all made of aluminum material.

[0039] The surface of the mounting plate 1 is provided with a plurality of mounting holes 101, which cooperate with bolts and other connecting components to facilitate the installation and fixation of the heat dissipation plate on the rectifier bridge.

[0040] Working process:

[0041] When the rectifier bridge is working, heat will be generated on its surface and inside the diodes. These heat is first absorbed by the inner heat dissipation strip 201 and then transferred to the outer heat dissipation strip 202 through the ring plate 2. Due to its wavy shape design and large heat dissipation area, the outer heat dissipation strip 202 can effectively transfer heat to the external environment of the rectifier bridge. At the same time, the ventilation grooves 203 provide channels for air circulation, accelerating convective heat dissipation.

[0042] In addition, the heat dissipation fins 3 also play an important role. They increase the heat dissipation area and further improve the heat dissipation efficiency. The heat dissipation fins 3 are attached to the surface of the rectifier bridge, transferring heat to the external environment.

[0043] Finally, through the cooperation of the components of the heat dissipation plate, the heat generated by the rectifier bridge is effectively dissipated, ensuring the normal operation and long-term stability of the rectifier bridge. At the same time, the design of the mounting holes 101 also facilitates the installation and fixation of the heat dissipation plate in the equipment.

[0044] Example two

[0045] As shown in Figures 1-6 In this embodiment, the middle part of the inner heat dissipation strip 201 is curved upward, and the inner end of the inner heat dissipation strip 201 adopts an arc shape that matches the outer wall of the main rectifier diode.

[0046] In a natural state, the circle surrounded by the inner ends of the plurality of inner heat dissipation strips 201 is larger than the main rectifier diode, and the inner end height of the inner heat dissipation strip 201 is lower than the lower surface of the ring plate 2.

[0047] When the mounting plate 1 is installed on the rectifier bridge, each ring plate 2 is correspondingly sleeved on the main rectifier diode on the rectifier bridge, and since the circle surrounded by the inner ends of the plurality of inner heat dissipation strips 201 is larger than the main rectifier diode, the inner heat dissipation strips 201 can be sleeved on the main rectifier diode, at this time, the inner heat dissipation strips 201 are uniformly distributed around the main rectifier diode, at this time, the inner ends of the inner heat dissipation strips 201 are lower than the height of the lower surface of the ring plate 2, therefore, the inner ends of the inner heat dissipation strips 201 first abut against the surface of the rectifier bridge, when the mounting plate 1 is fixed, the inner ends of the inner heat dissipation strips 201 are extruded during the downward pressing of the ring plate 2, so that the inner heat dissipation strips 201 are deformed, the inner ends of the inner heat dissipation strips 201 slide towards the main rectifier diode, and finally the inner ends of the inner heat dissipation strips 201 abut tightly against the outer wall of the main rectifier diode, in this state, the inner heat dissipation strips 201 can transmit the heat on the main rectifier diode, and the heat dissipation efficiency of the main rectifier diode is improved.

[0048] Embodiment three

[0049] The application also provides a rectifier bridge comprising the heat dissipation plate of any of the above embodiments.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate but not to limit the technical solutions of the present application, although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present application can still be modified or replaced equivalently without departing from the spirit and scope of the present application, any modification or partial replacement should be covered in the scope of the claims of the present application.

Claims

1. A heat spreader, characterized by, The application relates to a heat dissipation plate for a rectifier bridge. The heat dissipation plate comprises an installation plate (1) fixedly attached to the two side surfaces of the rectifier bridge, wherein the installation plate (1) is arranged in an arc shape; a plurality of ring plates (2) are uniformly distributed on the installation plate (1); wherein a plurality of inner heat dissipation strips (201) are arranged in an annular array on the inner wall of the ring plate (2), the inner ends of the inner heat dissipation strips (201) abut against the outer wall of the main rectifier diode, and a plurality of outer heat dissipation strips (202) are uniformly distributed on the outer wall of the ring plate (2). The middle part of the inner heat dissipation strip (201) is curved upwards in an arc shape. In a natural state, the circle surrounded by the inner ends of the plurality of inner heat dissipation strips (201) is larger than the main rectifier diode, and the height of the inner ends of the inner heat dissipation strips (201) is lower than the lower surface of the ring plate (2).

2. The heat sink of claim 1, wherein, The inner ends of the inner heat dissipation strips (201) are in an arc shape matched with the outer wall of the main rectifier diode. The outer heat dissipation strips (202) are in a wave shape, the outer heat dissipation strips (202) are attached to the surface of the rectifier bridge, and the outer ends of the outer heat dissipation strips (202) extend to the outside of the rectifier bridge.

3. A heat sink according to claim 2, wherein Ventilation grooves (203) are formed in the upper and lower surfaces of the ring plate (2).

4. The heat spreader of claim 1, wherein, A plurality of heat dissipation fins (3) are uniformly formed in the side wall of the installation plate (1), adjacent two heat dissipation fins (3) are spaced apart, and one side of the heat dissipation fin (3) is attached to the surface of the rectifier bridge.

5. The heat spreader of claim 1, wherein, The installation plate (1), the ring plate (2) and the heat dissipation fin (3) are integrally formed, and the inner heat dissipation strip (201) and the outer heat dissipation strip (202) are welded on the side wall of the ring plate (2).

6. The heat spreader of claim 1, wherein, The installation plate (1), the ring plate (2), the inner heat dissipation strip (201), the outer heat dissipation strip (202) and the heat dissipation fin (3) are all made of aluminum.

7. A heat sink according to claim 6, wherein A plurality of installation holes (101) are formed in the surface of the installation plate (1).

8. The heat sink of claim 6, wherein, The heat dissipation plate comprises the heat dissipation plate according to any one of claims 1-9.

9. The heat spreader of claim 1, wherein, ​ 10. A rectifier bridge, characterized in that ​

Images