CN105451518B - Water cooled heat radiating is arranged and its manufacture method, the heat abstractor with radiating row - Google Patents

Abstract

The invention discloses a water-cooled heat sink, a manufacturing method thereof, and a heat dissipation device provided with the heat sink. The water-cooled heat sink includes: a heat sink, and the heat sink includes a groove-shaped metal body and a plurality of metal bodies located above the body. For heat dissipation fins, the metal body is provided with a plurality of water-cooling channels that run through both ends of the metal body. There is a second heat dissipation air duct at intervals, the first heat dissipation air duct and the second heat dissipation air duct communicate with each other, the bottom end of the heat dissipation fins and the metal body are in a continuous integral structure; the water tank is located at the opposite ends of the metal body, and is provided with A water chamber for the working liquid, and the water cooling channel communicates with the water chamber. The fins and the metal body are integrally structured to minimize the impact of poor welding on heat conduction and liquid leakage. The integrated molding replaces the welding process. The first-time yield is high and the manufacturing cost is relatively reduced. The heat dissipation performance is stable and consistent.

Description

Water-cooled radiator, manufacturing method thereof, and radiator with the radiator

technical field

The invention relates to a water-cooled radiator, a manufacturing method thereof, and a radiator with the radiator.

Background technique

The radiator is used to speed up the heat dissipation, which can transfer the heat of the heating element to the air and prolong the service life of the heating object. For example, the current electronics industry is developing rapidly, and many electronic devices will involve heat dissipation issues. To dissipate heat from electronic devices, radiators must be used.

The general radiator adopts the structure of heat sink and heat dissipation fan, and it can also achieve better heat dissipation effect by designing a reasonable internal and external structure. However, some electronic systems with high heating power or relatively concentrated heating power density often cannot accommodate a large air-cooled radiator above the heat source or cannot meet the required heat dissipation performance due to space constraints. One cooling solution is liquid cooling. The heat dissipation system, the liquid cooling system can transfer the heat to another relatively open place through the flowing working fluid, and effectively dissipate the heat through a large radiator. A typical water-cooling system device has the following components: heat-absorbing head or heat collector (commonly known as water-cooling head), radiator, circulating working medium liquid (usually the main component is water, liquid water refers to any liquid working medium in this article ), water pumps, circulation pipes and water tanks. The water cooling head is mainly made of copper or aluminum, which is in contact with the heating device and absorbs the heat of the heating device to collect and conduct the heat of the heat source to the working liquid water; the water pump pushes the liquid water to flow along the circulation pipe to the radiator; the radiator is a A metal radiator with a water pipe inside, its function is to transfer the heat carried by the water to the air through heat conduction and convection. Usually, a large heat dissipation area is set on the water row and forced convection by a fan to enhance convection with the air The heat exchange effect; the circulation pipe is divided into rubber or metal pipes, which constitute the water circulation channel; the water tank mainly stores the working liquid water, which can play a redundant role when the water volume decreases due to evapotranspiration, etc., and can also be attached to the water-cooled drainage chamber or Other parts do not have to be set independently.

Most of the existing radiators adopt the welding production process of corrugated sheets and flat pipes (or circular pipes), (such as automobile radiators and water cooling systems for computer mainframes), and the pipes and the water chambers at both ends are also welded and fused. Before entering the furnace for welding, it is necessary to use various fixtures to assemble and fix the corrugated sheets, pipes, water chambers and other parts. The shape of the joint between the flat pipe and the water chambers at both ends is complicated and there are many dead angles. During welding, there are often missing welds and false welds. The welded part cannot be effectively detected in the production line, and after being installed, it has experienced multiple thermal shocks and the resulting thermal expansion and contraction effects, as well as liquid leakage from the virtual soldered part under vibration conditions. Leakage and lack of water will cause the lack of working fluid and then stop the circulation, which will not be able to effectively take away the heat of the water cooling head, causing damage to components at the slightest, and system crashes and data loss at worst.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned shortcomings of the existing radiator technology, realize and provide a water-cooled radiator and heat dissipation system with a compact and stable structure, no welding process, easy to manufacture, stable quality and easy to control. And provide a manufacturing and processing process matching with the radiator structure.

A water-cooled radiator, comprising:

Radiator, the radiator includes a metal body with more than one groove-like structure, and a plurality of heat dissipation fins arranged above the body, the bottom of the heat dissipation fins is an integral structure naturally connected to the metal body; the metal The body is provided with a water-cooling channel formed by circular or special-shaped holes running through both ends, which can be used for liquid circulation. The metal body and its internal liquid can conduct direct contact heat exchange; heat can be quickly transferred to the heat dissipation fins connected to it; the metal body The bottom of the groove is the root of the heat dissipation fins. The gap between the groove of the metal body and the heat dissipation fins is directly connected to form the first heat dissipation air passage through. The distance between two adjacent heat dissipation fins constitutes the second. Two heat dissipation air passages, the first heat dissipation air passage and the second heat dissipation air passage communicate with each other so that the air can circulate along the second heat dissipation air passage and the first air passage, thereby enhancing natural convection or fan forced convection heat exchange Effect: There are multiple small holes or small grooves parallel to the water-cooling channel to provide screw locking for water tanks and other components;

The water tank is located at the opposite ends of the metal body, and is closed by the bottom end cover and the top end cover respectively to form a water chamber for containing the working liquid; the bottom end cover and the top end cover are made of engineering plastics, and a partition wall is arranged in the water chamber to control the flow of water. The flow direction and series-parallel combination in the cooling body; a rubber soft material first sealing pad with reserved water channel holes is set between the water chamber and the cooling body, and the water tank connects the bottom end cover of the water chamber, the first sealing pad, and the water tank through screws. The heat dissipation body is locked and fixed by the three. The role of the screw and the soft sealing pad makes the water-cooling channel in the heat sink communicate with and seal the bottom end cover of the water chamber, and the three are combined into one; a second sealing gasket is set between the bottom end cover of the water chamber and the top end cover of the water chamber, and a plurality of screws Through the top end cover of the water chamber and the second sealing gasket, it is locked to the bottom end cover of the water chamber, and the water chamber forms a cavity sealed with the outside world; at least a water inlet joint and a water outlet are provided on the bottom end cover of the water chamber or the shell of the top end cover The joint is used for the working liquid to enter and exit the heat dissipation water drain; if necessary, a water replenishment port, sealing screw and O-shaped sealing ring can be provided on the bottom end cover or the top end cover shell of the water chamber for replenishing liquid.

As a preferred option of the above water tank solution, the water tank is made of metal material, and the bottom end cover and top end cover of the water chamber and the second gasket lock can also be combined by riveting to form the water chamber into a cavity that is sealed from the outside world. And the partition wall that controls the flow direction of the water in the cooling body and the series-parallel combination of the partitions also adopts metal partitions. The purpose of using the metal water tank is to adapt to the application environment with different temperature and mechanical strength requirements, and its basic structure and principle are consistent.

As a preference of the above solution, the water cooling channel is a hollow through hole with a plurality of protruding fins on the inner wall, and the protruding fins extend along the inner wall toward the center of the hollow through hole. The above-mentioned structure optimizes the structure of the water-cooling channel, and the raised fins can increase the heat exchange area when liquid water passes through, thereby enhancing the heat exchange in the fluid flow direction and maximizing the heat exchange efficiency.

Based on the same idea, the present invention also provides a heat dissipation device with the radiator, which includes a fan bracket and a cooling fan, and the fan bracket is screwed to a small groove pre-set on both sides of the heat dissipation body. The water-cooling channels of the heat sink are parallel, so there is no need to drill and tap to fix the fan bracket. The cooling fan is fixed on the fan bracket by metal screws or rubber screws. The fan can provide forced convection to enhance the heat exchange between the water-cooled row and the ambient air efficacy.

The present invention provides a kind of manufacturing method that realizes above-mentioned radiating body, comprises following technological process:

Step A, using metal extrusion molding or stretch forming process to manufacture a long strip metal body, that is, a long strip profile with a solid substrate and more than one groove, and the strip shape is between two adjacent grooves A plurality of through-holes are set in the bone position to form a water-cooling channel, and the water-cooling channel is integrally connected with the elongated profile; each groove is a reserved first cooling air channel;

Step B. Shoveling up the aluminum material on the extruded profile solid substrate piece by piece by using a shoveling process to form erected heat dissipation fins, and the erected heat dissipation fins are integrally connected with the metal body with grooves; the key The feature is that the shoveling process is combined with the groove shape design reserved for the long strip profile, and the shoveling tool movement stroke and angle are controlled and adjusted to make the shoveling depth exceed the thickness of the solid substrate, reaching or exceeding the shoveling line, so that the profile The bottom of the reserved groove is hollowed out and forms a second cooling air channel connected with the gap between the cooling fins;

Step C, cutting the above-mentioned profile into multiple sections according to a predetermined length after shoveling, and then making it into the above-mentioned radiator. This step can be carried out after the entire profile is shoveled, or it can be cut immediately after shoveling to a predetermined length;

Step D, install a water tank with a rotating water chamber at both ends of the heat sink cut to a predetermined length, and the water chamber communicates with the water cooling channel of the heat sink.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

1. The heat sink of the present invention adopts extrusion or stretch forming combined with shoveling process, so that the bottom of the heat dissipation fins and the metal body form an integral structure connected with each other, and the metal body has its own water cooling channel, and the internal liquid and the metal body are cooled. After direct heat exchange, the heat is conducted along the same material to the surface of the cooling fins. The heat conduction performance is continuous and stable. It does not depend on the level of workers' welding skills. The heat transfer performance is more consistent and the quality is easier to control. The product is qualified at the first time High efficiency and low cost;

2. After the groove-shaped metal body is shoveled to a certain depth, the bottom of the groove is hollowed out and forms a first heat dissipation air duct and a second heat dissipation air duct connected with the gap between the heat dissipation fins, which are transparent up and down to allow air convection The heat exchange effect is greatly enhanced. Adjusting the density of the shoveled heat dissipation fins can achieve a larger heat dissipation surface area and optimize air convection resistance to achieve the best heat dissipation effect.

3. Extrusion or stretch forming combined with shoveling processing technology only exists in mechanical and physical processing, with little debris and waste, and high material utilization rate.

4. The assembly is flexible and convenient. It only needs to change the cutting length of the cooling body for different heat dissipation power requirements, and the structure of the water tanks at both ends and other processes do not need to be changed.

5. The water-cooling channel and heat dissipation body are integrated structure. Compared with traditional technology, the wall thickness of the pipe can be set thicker, which can withstand greater internal pressure, and because of the thicker water-cooling channel, the internal corrosion resistance can be greatly improved , effectively reduce the probability of leakage of heat sink in practical working conditions, and improve product reliability.

Description of drawings

FIG. 1 is a schematic diagram of the composition of a water-cooled heat dissipation system device in a first application case of the present invention.

FIG. 2 is a schematic perspective view of the first embodiment of the water-cooled radiator of the present invention.

Fig. 3 is a schematic structural view of the metal body of the first embodiment of the water-cooled radiator of the present invention.

FIG. 4 is a schematic diagram of an exploded structure of the water-cooled radiator in the first embodiment of FIG. 2 .

Fig. 5 is a transverse cross-sectional view of the radiator.

FIG. 6 is a schematic diagram of the combined structure of the water-cooled radiator and the fan according to the first embodiment of the present invention.

FIG. 7 is a schematic diagram of the metal body after extrusion molding or stretching molding of the water-cooled radiator according to the first embodiment of the present invention.

FIG. 8 is a schematic diagram of the chipping process of the radiator according to the first embodiment of the present invention.

FIG. 9 is a schematic diagram of the heat sink cutting process according to the first embodiment of the present invention.

FIG. 10 is a schematic perspective view of the second embodiment of the water-cooled radiator of the present invention.

FIG. 11 is a schematic diagram of an exploded structure of a second embodiment of a water-cooled radiator of the present invention.

12 is a schematic diagram of the riveting of the metal water tank of the second embodiment of the water-cooled radiator of the present invention.

FIG. 13 is a schematic diagram of a chipping process of a radiator according to a third embodiment of the present invention.

Fig. 14 is a schematic diagram of the manufacturing process flow of the third embodiment of the present invention.

FIG. 15 is a schematic diagram of a chipping process of a radiator according to a fourth embodiment of the present invention.

Fig. 16 is a schematic diagram of the manufacturing process flow of the fourth embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Example 1

See Figure 1 for the water-cooled heat dissipation system, including: heat source (Heat source) 50, water cooling head 51 (collector Water block), circulation pipeline 52 (pipe), water pump 53 (Pump), working liquid water, air-cooled Radiator 54 (Radiator).

The radiator provided by this embodiment is shown in Fig. 2, Fig. 3 and Fig. 4, including:

Heat sink 1, the heat sink 1 includes a metal body 101 with a plurality of grooves and a plurality of heat dissipation fins 102 above the metal body 101, the metal body 101 is provided with water cooling channels 103 running through its two ends, the metal body The gap between the groove of 101 and the heat dissipation fins 102 is directly connected to form a first heat dissipation air channel 104, and a second heat dissipation air channel 105 is separated between two adjacent heat dissipation fins 102. A heat dissipation air duct 104 and a second heat dissipation air duct 105 communicate with each other, and the bottom ends of the heat dissipation fins 102 are integrated with the metal body 101;

Through the above structure, the first heat dissipation air passage 104 between adjacent metal bodies and the second heat dissipation air passage 105 between adjacent heat dissipation fins penetrate up and down, which can make full use of heat convection and realize heat exchange of cold and hot air; at the same time The heat dissipation fins 102 and the metal body 101 are of the same material and integral structure, the heat conduction is not affected by the quality of the welding and there is no problem of poor welding affecting the sealing of the water cooling channel, the structure is stable and the quality is easy to control.

The radiator also includes a water tank 2, which is located at opposite ends of the radiator 1, and is provided with a water chamber 201 for accommodating working fluid, and the water cooling channel 103 communicates with the water chamber 201.

Wherein, the water tank 2 includes a first sealing gasket 202 , a water chamber bottom end cover 203 , a second sealing gasket 204 and a water chamber top end cover 205 arranged outwardly from the metal body 101 in sequence. The first gasket 202 is provided with a working liquid communication hole 206 that is sealed and connected with the water cooling channel 103; the bottom end cover 203 of the water chamber is provided with a through hole 207 corresponding to the position of the working liquid communication hole 206; The metal body 101 of the body is provided with a plurality of small grooves 106 . A number of screws are set to pass through the bottom end cover 203 of the water chamber and the first gasket 202 is locked and fixed in the small groove 106 of the metal body 101; the second end cover 203 and the top end cover 205 of the water chamber are placed between Sealing gasket 204, adopts screw to pass through water chamber top cover 205 and then passes second sealing gasket 204 and is locked in the reserved screw hole of water chamber bottom end cover 203 and is combined into airtight water chamber; Water chamber bottom end cover 203 is set by plastic Injection molded into a partition plate 208, the water chamber is separated by the partition plate 208 to form more than two working liquid rotary pipelines; the bottom end cover of the water tank is provided with a water inlet joint 221 and a water outlet joint 222, which are connected with the water cooling head of the water cooling system, the water pump, etc. Other components are connected into a circulating piping system.

As shown in FIG. 5 , the water cooling channel 103 is a hollow through hole with a plurality of protruding fins 107 on the inner wall, and the protruding fins extend along the inner wall toward the center of the hollow through hole. The above-mentioned structure optimizes the structure of the water-cooling channel, and the raised fins can increase the heat exchange area when liquid water passes through, thereby enhancing the heat exchange in the fluid flow direction and maximizing the heat exchange efficiency.

1-6, the present invention also provides a heat dissipation device with the radiator, including a fan bracket 3 and a cooling fan 4, the cooling fan 4 is fixed on the fan bracket 3 by screws, and the fan bracket 3 is fixed on Inside the small grooves 106 on both sides of the radiator. Through the above structure, when the heat dissipation fan is working, the ambient air and the heat dissipation body can be forced to convect and exchange heat, thereby enhancing the heat dissipation effect.

With reference to Figures 7 to 9, another key of the present invention is to provide a manufacturing process for realizing the above radiator, which includes the following combination of process sequences:

Step A, as shown in Figure 7, the extruded profile entity is manufactured by metal extrusion or stretch forming process, that is, a long strip profile with a solid substrate 60 and more than one groove 61, the strip profile is relatively A plurality of through-holes are provided adjacent to the bone between the two grooves 61 to form a water-cooling channel 62, and the water-cooling channel 62 is integrally connected with the metal body; each groove 61 is a reserved first cooling air channel;

Step B, as shown in FIG. 8 , the aluminum material on the solid substrate 60 of the extruded profile entity is skived piece by piece by using a shoveling process to form standing heat dissipation fins 102 , and the standing heat dissipation fins 102 are formed. The fins 102 are integrally connected with the metal body with the groove 61; another key feature is that the shoveling process is combined with the groove shape design reserved for the extruded raw material, and the movement stroke and angle of the shoveling tool are controlled and adjusted to make the shoveling The depth of cutting exceeds the thickness of the solid substrate, reaching or exceeding the shoveling line shown in (Fig. 7 Schematic Diagram of Shoveling Process) (that is, the A-A line in the figure), so that the bottom of the groove reserved for the profile is hollowed out and connected with the cooling fins. The gap forms a connected cooling air duct;

Step C, as shown in FIG. 9 , cut the above-mentioned extruded profile body into multiple sections according to a predetermined length after shoveling, and then make the above-mentioned radiator. This step can be carried out after the entire profile is shoveled, or it can be cut immediately after shoveling to a predetermined length;

Step D, install a water tank with a rotating water chamber at both ends of the heat sink cut to a predetermined length, the water chamber communicates with the water cooling channel of the heat sink and is sealed from the outside.

Through the combination of the above structure and corresponding manufacturing process, it has the following advantages and beneficial effects compared with the prior art:

1. The heat sink of the present invention adopts extrusion or stretch forming combined with shoveling process, so that the bottom of the heat dissipation fins and the metal body form an integral structure connected with each other, and the metal body has its own water cooling channel, and the internal liquid and the metal body are cooled. After direct heat exchange, the heat is conducted along the same material to the surface of the cooling fins. The heat conduction performance is continuous and stable. It does not depend on the level of workers' welding skills. The heat transfer performance is more consistent and the quality is easier to control. The product is qualified at the first time High efficiency and low cost;

2. After the groove-shaped metal body is shoveled to a certain depth, the bottom of the groove is hollowed out and forms a first heat dissipation air duct and a second heat dissipation air duct connected with the gap between the heat dissipation fins, which are transparent up and down to allow air convection The heat exchange effect is greatly enhanced. Adjusting the density of the shoveled heat dissipation fins can achieve a larger heat dissipation surface area and optimize air convection resistance to achieve the best heat dissipation effect.

3. Extrusion or stretch forming combined with shoveling processing technology is adopted, only mechanical and physical processing produces little debris and waste, and the material utilization rate is high.

4. The assembly is flexible and convenient. It only needs to change the cutting length of the cooling body for different heat dissipation power requirements, and the structure of the water tanks at both ends and other processes do not need to be changed.

5. The water-cooling channel and heat dissipation body are integrated structure. Compared with traditional technology, the wall thickness of the pipe can be set thicker, which can withstand greater internal pressure, and because of the thicker water-cooling channel, the internal corrosion resistance can be greatly improved , greatly reducing the probability of leakage of radiators in practical working conditions, and improving product reliability.

Example 2

Fig. 10, Fig. 11 and Fig. 12 illustrate the second embodiment of the present invention. The difference between this embodiment and the first embodiment shown in FIGS. The water chamber forms a water chamber cavity 201 that is sealed from the outside world, and the partition walls that control the flow direction of water in the cooling body and the partition series and parallel combinations also use metal partition sheets 208 . The purpose of using a metal water tank is to adapt to the application environment with different temperature and mechanical strength requirements, and its basic structure and principle are the same.

The water tank 2 includes a first sealing gasket 202 , a water chamber bottom end cover 203 , a second sealing gasket 204 and a water chamber top end cover 205 arranged outwardly from the metal body 101 in sequence. The first gasket 202 is provided with a liquid communication hole 206 that is sealed and connected with the water cooling channel 103; the bottom end cover 203 of the water chamber is provided with a through hole 207 corresponding to the position of the working communication hole 206; The metal body 101 is provided with a plurality of small grooves 106 . A number of screws are set to pass through the bottom end cover 203 of the water chamber and the first gasket 202 is locked and fixed in the small groove 106 of the metal body 101; the second end cover 203 and the top end cover 205 of the water chamber are placed between The gasket 204, the water chamber bottom end cover 203 and the water chamber top end cover 205 are combined into a water chamber through a riveting process; the water chamber cavity is provided with a partition plate 208, and the water chamber is separated by the partition plate 208 to form more than two working chambers. Liquid revolving pipeline; through the above structure, the cavity in the water chamber can be used to store the working liquid, and the water cooling channel set in the metal body communicates with the cavity of the water chamber through the working liquid pipeline. Flow in the water-cooling channel of a metal body for heat exchange. The bottom cover of the water tank is provided with a water inlet connector 221 and a water outlet connector 222, which are connected with the water cooling head of the water cooling system, other components such as water pumps to form a circulating piping system.

Example 3

FIG. 13 and FIG. 14 illustrate the third embodiment of the present invention in conjunction with the schematic diagram of the manufacturing process flow. The difference between this embodiment and the first embodiment shown in FIGS. 2 to 4 is that the heat dissipation area of the heat sink is further enlarged. The heat sink 1 includes a metal body 101 with more than one groove, and a plurality of grooves arranged above the body. radiating fins 102, in order to further expand the heat dissipation area, radiating fins 102 are also arranged below the metal body 101, and the bottoms of the upper and lower radiating fins 102 are integral structures that are naturally connected to the metal body 101; the grooves The metal body 101 on both sides of the metal body 101 is provided with a water-cooling channel 103 formed by circular or special-shaped holes running through both ends, which can be used for liquid circulation. The metal body 101 with through holes and its internal liquid can conduct heat exchange in direct contact; the adjacent The bottom of the groove between the two metal bodies 101 is the root of the upper heat dissipation fin 102, the bone below the metal body 101 is the root of the lower heat dissipation fin 102, the gap between the upper and lower heat dissipation fins of the groove is also Through direct communication, constitute the first heat dissipation air duct 104 that passes through, and the interval between two adjacent heat dissipation fins 102 forms the second heat dissipation air duct 105, the first heat dissipation air duct 104 and the second heat dissipation air duct 105 Interconnection enables air to circulate along the second heat dissipation air passage 104 and the first heat dissipation air passage 104 .

In order to realize the manufacture of the heat sink, a large area of the heat dissipation fins is obtained, and at the same time, a transparent heat dissipation air passage is formed, and the heat dissipation fins 102 are integrally connected with the metal body 101 having a water cooling channel. In the above step B, the aluminum material on the extruded profile solid substrate is skived one by one by skiving process to form the erected heat dissipation fins 102, and the erected heat dissipation fins 102 are connected with the grooved The metal body 101 is integrally connected; and the material under the metal body 101 of the water-cooling channel is also shoveled and erected by the second shoveling process to form the heat dissipation fins 101, so that the heat dissipation surface area is doubled. Another key feature is that the shoveling process is combined with the shape design of the reserved groove of the extruded raw material. By controlling and adjusting the movement stroke and angle of the shoveling tool, the shoveling depth exceeds the thickness of the solid substrate, so that the groove reserved for the profile The bottom is hollowed out and communicates with the gaps between the heat dissipation fins to form a heat dissipation air channel, which is similar to the first embodiment of the present invention.

Example 4

FIG. 15 and FIG. 16 illustrate the fourth embodiment of the present invention in conjunction with the schematic diagram of the manufacturing process flow. The difference between this embodiment and the first embodiment shown in FIGS. Holes and slots, and a plurality of heat dissipation fins 102 arranged on the top of the body, in order to further expand the heat dissipation area, heat dissipation fins 102 are also arranged below the metal body, and the bottoms of the top and bottom heat dissipation fins 102 are aligned with the metal body 101 Naturally connected overall structure; the body with a square hole structure is provided with a water-cooling channel 103 formed by circular or special-shaped holes running through both ends, which can be used for liquid circulation. The metal body 101 with the water-cooling channel 103 and its internal liquid can be Perform direct contact heat exchange; the top of the square groove between two adjacent metal bodies 101 is the root of the upper heat dissipation fin, and the bottom of the square groove between two adjacent metal bodies 101 is the top of the lower heat dissipation fin 102 The gap between the square groove and the upper and lower heat dissipation fins 102 is directly connected to form a first heat dissipation air passage 104, and the interval between two adjacent heat dissipation fins 102 forms a second heat dissipation air passage 105. The first cooling air duct 104 and the second cooling air duct 105 communicate with each other so that air can flow up and down along the second cooling air duct and the first air duct;

In order to realize the manufacture of this heat sink, a large area of the heat dissipation fins is obtained, and at the same time, a transparent heat dissipation air passage is formed, and the heat dissipation fins are integrally connected with the metal body with the water cooling channel. Step A adopts metal extrusion molding or stretching forming process to manufacture the metal body. The difference between this embodiment and the aforementioned embodiment 1, embodiment 2, and embodiment 3 is that the metal body 101 is manufactured by extrusion molding or stretching forming process in different cross-sectional shape designs. . The metal body 101 of the elongated profile is provided with a plurality of square slots and two solid substrates, and a plurality of through holes are provided between the adjacent two square slots of the profile to form a water-cooling channel 103, and the water-cooling channel 103 and the extruded profile They are integrally connected; each square slot is a reserved first cooling air channel 104 . In the skiving process used in the above-mentioned step B, the aluminum material of the solid substrate above the metal body of the extruded profile water-cooling channel is skived one by one to form erected cooling fins 102, and the erected cooling fins 102 is integrally connected with the metal body with water-cooling channels; and the aluminum material of the solid substrate under the metal body of the water-cooling channel is also skived piece by piece by using the second shoveling process to form standing cooling fins. The heat dissipation fins are also integrated with the metal body with water cooling channels, which doubles the heat dissipation surface area. Another key feature is that the shoveling process is combined with the shape design of the square hole reserved for the extruded raw material. By controlling and adjusting the movement stroke and angle of the shoveling tool, the shoveling depth exceeds the thickness of the solid substrate, so that the reserved profile The bottom and top of the square hole slots are hollowed out and communicate with the gaps between the cooling fins 102 to form a cooling air duct, which is similar to the first embodiment of the present invention.

The above-mentioned embodiment is a preferred implementation mode of the present invention, but it is not limited by the above-mentioned embodiment and application places. All the above descriptions are only referred to as radiators for the convenience of description, but technical personnel with a little thermal knowledge can understand this The water discharge described in the invention is essentially a heat exchange device between liquid and air. Its function depends on the specific application occasion and the difference in the type of internal working liquid and working temperature. Its application range is quite wide, at least including various heat dissipation systems, heating system, the structure of the air heat exchanger part of the air cooling and conditioning system and its matching manufacturing process, and any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be All equivalent replacement methods are included in the protection scope of the present invention.

Claims (9)

1. The water-cooled radiator is characterized in that it comprises: A heat sink, the heat sink includes a metal body with more than one groove, and a plurality of heat dissipation fins arranged above the metal body, the bottom of the heat radiation fins is an integral structure that is naturally connected to the metal body; the metal body There is a water-cooling channel formed by circular or special-shaped holes running through both ends, which can be used for liquid circulation. The metal body and the liquid inside the water-cooling channel can directly contact and exchange heat; the gap between the groove and the cooling fin The first heat dissipation air passage is formed through the direct connection, and the interval between two adjacent heat dissipation fins forms the second heat dissipation air passage. The first heat dissipation air passage and the second heat dissipation air passage communicate with each other so that the air Can communicate with the first air passage along the second heat dissipation air passage; The water tank is located at opposite ends of the metal body, and is provided with a water chamber for containing and circulating working fluid, and the water cooling channel communicates with the water chamber. 2. The water-cooled radiator according to claim 1, characterized in that, the metal body is also provided with heat dissipation fins below, and the upper and lower heat dissipation fins are integral structures that are naturally connected to the metal body; The body has a groove or square hole structure, and the metal body is provided with a water-cooling channel formed by circular or special-shaped holes running through both ends, which can be used for liquid circulation. The metal body is in direct contact with the internal liquid for heat exchange; the body The gap between the groove or the square hole groove and the upper and lower heat dissipation fins is directly connected through and through, forming a first heat dissipation air passage through, and the interval between two adjacent heat dissipation fins forms a second heat dissipation air passage. The first radiating air channel and the second radiating air channel communicate with each other so that air can circulate along the second radiating air channel and the first air channel. 3. The water-cooled radiator according to claim 1, wherein the water-cooling channel is a hollow through-hole provided with a plurality of protruding fins on the inner wall, and the protruding fins extend along the inner wall to the hollow through-hole Extend in the direction of the center of the circle. 4. The water-cooled radiator according to claim 1 or 2, characterized in that: the water tank includes a first gasket, a bottom end cover of the water chamber, a second gasket and a water chamber arranged outwards from the metal body in sequence. The top end cover, the first gasket is provided with a liquid communication hole sealed with the water cooling channel, the bottom plate of the water tank is provided with a hole corresponding to the position of the liquid communication hole, a small groove is provided on the outside of the metal body, and several The screw passes through the bottom end cover of the water chamber and the first sealing gasket is locked and fixed in the small groove of the metal body, and the second sealing gasket is placed between the bottom end cover of the water chamber and the top end cover of the water chamber, using screws or pressure riveting The process fixes the top cover of the water chamber and the second sealing gasket to the bottom end cover of the water chamber and combines them to form a closed water chamber. 5. The water-cooled heat radiator according to claim 2, characterized in that: the water chamber is provided with a partition plate, and the water tank cover is separated by the partition plate to form more than two working liquid rotary pipelines. 6 . The water-cooled radiator according to claim 4 , wherein at least a water inlet joint and a water outlet joint are provided on the bottom end cover or the top end cover of the water chamber of the water tank. 7. A water-cooled radiator device, comprising a fan bracket and a cooling fan, the cooling fan is fixed on the fan bracket by screws, characterized in that it also includes the water-cooled cooling fan described in any one of claims 1-6 row, and the fan bracket is directly locked and fixed on one side of the water-cooled radiator with screws. 8. A method for manufacturing a water-cooled radiator, comprising the following steps: Step A: A metal body is manufactured by metal extrusion molding or stretching molding. The metal body is provided with a solid substrate with more than one groove. The solid substrate is a long strip profile, and the long strip profile The bone between two adjacent grooves is provided with a plurality of through holes to form a water-cooling channel; each groove is a reserved first cooling air channel; Step B. The aluminum material on the solid substrate is scooped up piece by piece by shoveling process to form erected heat dissipation fins, and the erected heat dissipation fins are integrally connected with the metal body with grooves; after shoveling The elongated profile penetrates through the bottom of the reserved groove and forms a second cooling air channel connected with the gap between the cooling fins; Step C, install a water tank with a revolving water chamber at both ends of the radiating body cut to a predetermined length, and the water chamber communicates with the water-cooling channel of the radiating body. 9. The method for manufacturing a water-cooled radiator according to claim 8, characterized in that: between steps B and C, the following steps are further included: Step X: Cut the metal body after shoveling into multiple sections according to a predetermined length. The cutting in this step is carried out after shoveling the entire strip-shaped profile or immediately after shoveling to a predetermined length.