CN210579770U

CN210579770U - High-efficient filter circuit board liquid cooling radiator

Info

Publication number: CN210579770U
Application number: CN201920594654.XU
Authority: CN
Inventors: 祝忠清
Original assignee: Hangzhou Haofeng Technology Co ltd
Current assignee: Hangzhou Haofeng Technology Co ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-05-19
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a high-efficient filter circuit board liquid cooling radiator, including heat dissipation bottom plate and heat dissipation apron, be equipped with the main flow channel that the partition wall separated the cavity and formed the S type on the heat dissipation bottom plate, the inside cavity of partition wall forms vice flow channel, is equipped with communicating pipe between two adjacent partition walls, vice water inlet is close to main delivery port one side, and vice delivery port is close to main water inlet one side, the cavity outside is equipped with the fixed slot of ring cavity a week, it is equipped with the fixed plate that matches with the fixed slot to correspond fixed slot department on the heat dissipation apron, the partition wall top is equipped with a plurality of reference columns, and the heat dissipation apron corresponds reference column. The utility model discloses the design has main flow channel and side flow channel, has increased the area of contact between coolant liquid and the heat dissipation apron, has improved radiating effect and heat transfer effect, and the whole flow direction of the coolant liquid of these two rivers passageways each other is opposite for the heat dissipation is balanced everywhere to the heat dissipation apron.

Description

High-efficient filter circuit board liquid cooling radiator

Technical Field

The utility model relates to an electronic components's heat abstractor, concretely relates to high-efficient filter circuit board liquid cooling radiator.

Background

Filter circuits are commonly used to filter out ripple in the rectified output voltage and are generally composed of reactive components such as capacitors C connected in parallel across a load resistor or an inductor L connected in series with the load, and various complex filter circuits composed of capacitors. The circuit board provided with such electronic components generates heat after being energized, and these components (capacitors, inductors, etc.) have normal operating temperature ranges, and irreversible functional degradation is caused if the circuit board operates in a high-temperature environment for a long time, so that heat dissipation treatment must be performed on the components.

The traditional heat dissipation mode is air natural convection cooling, forced air cooling heat dissipation and liquid cooling. For natural cooling of air, the manufacturing cost is low, but the heat dissipation efficiency is low, and under the working environment with volume limitation, the radiating fins of the radiator cannot be too large, and the space is small, so that convection heat exchange is not facilitated, the heat exchange effect is greatly reduced, and the application range of the radiator is limited. The liquid cooling radiator can overcome the defects and has the advantages of simple structure, stable work, obvious cooling effect, easy processing and production, large-scale popularization and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide a good high-efficient filter circuit board liquid cooling radiator of radiating effect.

The utility model adopts the following technical scheme:

the utility model provides a high-efficient filter circuit board liquid cooling radiator, includes radiating bottom plate and heat dissipation apron, the sunken cavity that forms in radiating bottom plate middle part, be equipped with the main flow channel that forms the S type with the cavity separation of a plurality of partitions in the cavity, be equipped with the main water inlet and the main delivery port of intercommunication cavity on the radiating bottom plate, the inside cavity of partition wall forms vice flow channel, is equipped with communicating pipe between two adjacent partitions, be equipped with vice water inlet and vice delivery port on the partition wall, vice water inlet is close to main delivery port one side, and vice delivery port is close to main water inlet one side, the cavity outside is equipped with the fixed slot of ring cavity a week, it is equipped with the fixed plate that matches with the fixed slot to correspond fixed slot department on the heat dissipation apron, the partition wall.

As a preferred technical scheme of the utility model, main flow channel bottom is equipped with a plurality of arcs, two mouths of pipe intercommunication main flow channel of arc flush with main flow channel's bottom surface, and the arc part of arc is towards the lower surface of outer bending protrusion heat dissipation bottom plate.

As an optimized technical scheme of the utility model, the plane at arc pipe place is parallel with the coolant flow direction of main flow channel.

As a preferred technical scheme of the utility model, communicating pipe and arc pipe are the copper pipe.

As an optimized technical scheme of the utility model, two adjacent line of position symmetry be equipped with radiating fin between the arc tube.

As a preferred technical scheme of the utility model, the both sides lateral wall of partition wall establishes into regular wavy.

The utility model has the advantages that:

the utility model relates to a have two rivers passageways, a main flow channel who separates the formation by the partition wall, one is the interior rivers passageway that is located the partition wall inside, has increased the area of contact between coolant liquid and the heat dissipation apron, has improved radiating effect and heat transfer effect, and the whole flow direction of coolant liquid of these two rivers passageways each other is opposite for the heat dissipation is lapped everywhere and is dispelled the heat balancedly.

Drawings

FIG. 1 is a top view of a heat sink base plate;

FIG. 2 is a bottom view of the heat-dissipating cover plate;

FIG. 3 is a left side view of the heat sink base plate;

fig. 4 is a front side view of the heat sink base plate.

The symbols in the drawings illustrate that:

1: heat dissipation bottom plate, 2: heat dissipation apron, 3: partition wall, 31: auxiliary water inlet, 32: auxiliary water outlet, 4: main flow channel, 41: main water inlet, 42: main water outlet, 5: communication pipe, 6: fixing groove, 7: fixing plate, 8: positioning column, 9: positioning hole, 10: screw hole, 11: arced tube, 12: and (4) radiating fins.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a liquid cooling radiator for a high-efficiency filter circuit board comprises a heat dissipation base plate 1 and a heat dissipation cover plate 2, wherein the middle of the heat dissipation base plate 1 sinks to form a cavity, a plurality of partition walls 3 are arranged in the cavity to separate the cavity into an S-shaped main flow channel 4, the heat dissipation base plate 1 is provided with a main water inlet 41 and a main water outlet 42 which are communicated with the cavity, the partition walls 3 are hollow to form an auxiliary flow channel, the side walls of the two sides of each partition wall 3 are arranged in a regular wavy shape, a communicating pipe 5 is arranged between two adjacent partition walls 3, the partition walls 3 are provided with an auxiliary water inlet 31 and an auxiliary water outlet 32, the auxiliary water inlet 31 is close to one side of the main water outlet 42, the auxiliary water outlet 32 is close to one side of the main water inlet 41, so that the flow direction of a cooling liquid in the main flow, the heat dissipation cover plate 2 is provided with a fixing plate 7 matched with the fixing groove 6 corresponding to the fixing groove 6, when the heat dissipation cover plate 1 is connected with the heat dissipation cover plate 2, a sealing ring is further arranged between the fixing groove 6 and the fixing plate 7, the top of the partition wall 3 is provided with a plurality of positioning columns 8, the heat dissipation cover plate 2 is provided with positioning holes 9 corresponding to the positioning columns 8, the upper end surfaces of the positioning columns 8 do not exceed the upper top surface of the heat dissipation cover plate 2 and are preferably level with the upper top surface, the periphery edges of the heat dissipation cover plate 2 and the heat dissipation cover plate 1 are provided with a plurality of screw holes 10.

Further, a plurality of arc-shaped tubes 11 are arranged at the bottom of the main flow channel 4, two tube openings of the arc-shaped tubes 11 are communicated with the main flow channel 4 and flush with the bottom surface of the main flow channel 4, the arc-shaped parts of the arc-shaped tubes 11 are bent outwards to protrude the lower surface of the heat dissipation bottom plate 1, the plane where the arc-shaped tubes 11 are located is parallel to the flow direction of cooling liquid of the main flow channel 4, the communicating tube 5 and the arc-shaped tubes 11 are copper tubes, and two adjacent lines of the arc-shaped tubes 11 are symmetrical in position and provided with heat dissipation fins 12.

The utility model discloses the during operation, let in main flow channel 4 and side flow channel from main water inlet 41 and vice water inlet 31 with the coolant liquid respectively, two flow channel's whole flow direction each other is reverse, make the heat dissipation of radiator each department balanced, and increased the area of contact of coolant liquid and heat dissipation apron 2, the radiating efficiency has been improved, furthermore, 4 bottoms of main flow channel still are equipped with the arc pipe 11 that exposes the radiating bottom plate bottom surface, the arc pipe 11 also can flow through when the coolant liquid flows in main flow channel, the area of contact of coolant liquid with external environment has been increased, the heat dissipation rate of radiator has further been accelerated.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. The utility model provides a high-efficient filter circuit board liquid cooling radiator, includes radiating bottom plate (1) and heat dissipation apron (2), its characterized in that: the middle of the heat dissipation bottom plate (1) sinks to form a cavity, a plurality of partition walls (3) are arranged in the cavity to separate the cavity into an S-shaped main flow channel (4), a main water inlet (41) and a main water outlet (42) which are communicated with the cavity are arranged on the heat dissipation bottom plate (1), an auxiliary flow channel is formed in the hollow part of each partition wall (3), a communicating pipe (5) is arranged between every two adjacent partition walls (3), an auxiliary water inlet (31) and an auxiliary water outlet (32) are arranged on each partition wall (3), the auxiliary water inlet (31) is close to one side of the main water outlet (42), the auxiliary water outlet (32) is close to one side of the main water inlet (41), a fixing groove (6) which is formed in the periphery of the ring cavity is formed in the outer side of the cavity, a fixing plate (7) which is matched with the fixing groove (6) is arranged on the heat dissipation cover plate, the heat-radiating cover plate (2) is provided with a positioning hole (9) corresponding to the positioning column (8).

2. The liquid cooling radiator for the high-efficiency filter circuit board as claimed in claim 1, wherein: the heat dissipation base plate is characterized in that a plurality of arc-shaped pipes (11) are arranged at the bottom of the main flow channel (4), two pipe orifices of the arc-shaped pipes (11) are communicated with the main flow channel (4) and flush with the bottom surface of the main flow channel (4), and arc-shaped parts of the arc-shaped pipes (11) are outwards bent and protrude out of the lower surface of the heat dissipation base plate (1).

3. The liquid cooling radiator for the high-efficiency filter circuit board as claimed in claim 2, wherein: the plane of the arc-shaped pipe (11) is parallel to the flow direction of the cooling liquid of the main flow channel (4).

4. The liquid cooling radiator for the high-efficiency filter circuit board as claimed in claim 1, wherein: the communicating pipe (5) and the arc-shaped pipe (11) are both copper pipes.

5. The liquid cooling radiator for the high-efficiency filter circuit board as claimed in claim 3, wherein: and heat radiating fins (12) are arranged between the two arc-shaped tubes (11) which are symmetrical in two adjacent rows.

6. The liquid cooling radiator for the high-efficiency filter circuit board as claimed in claim 1, wherein: the side walls of two sides of the partition wall (3) are arranged into regular wave shapes.