CN206657307U - Board-like water cooling graphic card radiator - Google Patents

Abstract

The utility model discloses a plate-type water-cooled graphics card radiator, which comprises a water-cooled plate, a circulating water pump, a cold water rubber hose, a hot water rubber hose and a heat exchanger. The main chip of the graphics card corresponding to the board is provided with a cooling chamber for the main chip, and the cooling chamber for the main chip communicates with the water inlet joint and the water outlet joint provided on one side of the water cooling plate through the circulating water channel in the water cooling plate, respectively. The water inlet joint and the water outlet joint are respectively connected with a cold water rubber hose and a hot water rubber hose through a circulating water pump, and the other ends of the cold water rubber hose and the hot water rubber hose are respectively connected with the heat exchanger, and the heat exchanger And an external cooling fan is installed on the chassis. The plate-type water-cooled graphics card radiator is light in weight, closely combined with the structure of the graphics card to occupy a small space, and can dissipate heat efficiently at the same time.

Description

Plate water cooling graphics card radiator

technical field

The utility model relates to the technical field of graphics card cooling equipment, in particular to a plate-type water-cooled graphics card radiator.

Background technique

With the development of chip technology, the integration of chips is getting higher and higher, the nanoscale is getting higher and higher, the power is getting bigger and bigger, and high-power chips are emerging one after another. Correspondingly, the thermal power of chips is getting higher and higher. While progress brings convenience to life, it also faces the problem of high-power chip heat dissipation. Therefore, how to solve the problem of high-power chip heat dissipation is also of great concern to the chip industry.

As a desktop computer, the heat dissipation problem of the graphics card is particularly prominent. The desktop computer needs to face big data simulation, efficient computing, multi-tasking work, and as an overclocking large-scale 3D game platform. The processing speed of the graphics card chip is getting faster and faster. Can the graphics card be solved quickly and efficiently? Heat dissipation is an urgent problem to be solved, and the existing graphics card radiators are composed of aluminum heat sinks and DC fans, which cannot solve the cooling problem of high-power graphics cards, or cause deformation of the graphics card due to excessive weight of the radiator, resulting in poor contact or long The graphics card cracks after working for a long time; or the number of DC fans is too large, resulting in excessive noise, forming a high-temperature area around the graphics card. After a long time of operation, the high-speed fans accumulate dust and reduce the life of the fan, which cannot meet the performance requirements of the graphics card; or the radiator The conduction path is too long, which affects people's feelings about the performance of high-power graphics cards. Thereby people need a kind of light in weight, conduction is fast, the heat sink of the graphics card that can dissipate heat efficiently.

Utility model content

The technical problem to be solved by the utility model is to provide a plate-type water-cooled graphics card radiator, which is light in weight, closely combined with the structure of the graphics card to occupy a small space, and can efficiently dissipate heat at the same time.

In order to solve the above technical problems, specifically, the utility model provides the following technical solutions:

A plate-type water-cooled graphics card radiator, including a water-cooled plate, a circulating water pump, a cold water rubber hose, a hot water rubber hose, and a heat exchanger. The water-cooled plate is mounted on the graphics card through fixed mounting studs, and the water-cooled plate corresponds to the main chip of the graphics card. A main chip heat dissipation chamber is provided, and the main chip heat dissipation chamber communicates with the water inlet joint and the water outlet joint provided on one side of the water cooling plate through the circulating water channel in the water cooling plate. The water outlet joints are respectively connected to the cold water rubber hose and the hot water rubber hose through a circulating water pump, and the other ends of the cold water rubber hose and the hot water rubber hose are respectively connected to the heat exchanger, and the heat exchanger and the external cooling fan installed on the chassis. When in use, the water-cooling medium is driven by the circulating water pump, and the cold water cooled by the heat exchanger flows in from the water inlet of the water-cooling plate, and flows through the circulating water channel of the water-cooling plate, in which the circulating water channel flows through the main chip corresponding to the main core of the graphics card The heat dissipation cavity absorbs the heat of the main chip, thereby reducing the temperature of the main control chip of the graphics card, and flows back to the heat exchanger to form a closed-circuit water cooling cycle.

Further, the water-cooled plate includes a water-cooled plate cover and a water-cooled plate lower cover, and the water-cooled plate cover and the water-cooled plate lower cover are fixed together by brazing; the water-cooled plate cover and the water-cooled plate The lower cover of the board is respectively provided with stamping grooves and contact bosses, and the stamping grooves of the water-cooling board cover and the lower cover of the water-cooling board are correspondingly fitted to form a circulating water channel; the contact bosses correspond to the position of the main chip of the graphics card A heat dissipation chamber for the main chip is formed, and the outer wall of the heat dissipation chamber for the main chip is bonded to the main chip of the graphics card.

Further, the water-cooled plate is provided with a plurality of sub-chip heat dissipation cavities corresponding to the plurality of video memory chips of the graphics card, the outer walls of the plurality of sub-chip heat dissipation cavities are attached to the video memory chips, and the circulating water channel communicates with a plurality of the sub-chips. Chip cooling cavity.

Further, a microchannel spatula and a shunt are arranged in the heat dissipation chamber of the main chip, the contact surface of the microchannel spade is bonded to the main chip of the graphics card, and the fin array of the microchannel spade is arranged on the In the cooling cavity of the main chip, the splitter is arranged between the fin array and the inner wall of the cooling cavity of the main chip. The micro-channel shovel and the shunt effectively ensure that the water-cooling medium can fully flow through the fins of the micro-channel shovel to remove heat most efficiently.

Further, each sub-chip cooling cavity is respectively provided with folded fins; the folded fins increase the Reynolds number of the water-cooling medium fluid and act as turbulent flow.

Further, the fixed support studs of the water cooling plate and the installation and fixation studs of the main chip of the graphics card are jointly riveted into one body.

Further, the water inlet joint and the water outlet joint of the water cooling plate are arranged on the side of the fixed end of the graphics card and the chassis.

Further, the circulating water pump is a dual-channel 90-degree cold and hot water separation pump. The circulating water pump is installed on the side of the fixed end of the graphics card and the chassis, which can reduce the load on the gold finger area of the graphics card; the 90-degree channel can reduce the heat dissipation of the graphics card. The height after installation is suitable for more chassis options; dual-channel 90-degree cold and hot water separation pump, the rotor flows through the cold water medium, ensuring that the rotor and stator handle the low-temperature end, while the high-temperature channel is far away from the rotor and stator areas.

Using the above technical solution, the water cooling plate and the heat exchanger form a circulating heat dissipation pipeline, and the water cooling plate can take into account the heat dissipation of the main chip of the graphics card, and can quickly and effectively take away the heat conducted by the main control chip of the graphics card; after the water cooling plate and the graphics card are installed, The overall weight of the graphics card is light, and the heat exchanger is installed on the chassis, which will not cause a load on the graphics card; after the water-cooling medium conducts heat through the main control chip of the graphics card, it is driven by a circulating water pump and flows through the heat exchanger and the fan to exchange heat with air. The working temperature of the graphics card is guaranteed, the cooling performance of the graphics card is improved, and the service life of the graphics card is extended.

Description of drawings

Fig. 1 is the installation structural diagram of plate-type water-cooled graphics card radiator of the present invention;

Fig. 2 is the schematic diagram of installation of the water-cooled plate of the present utility model;

Fig. 3 is the three-dimensional structural diagram of the water-cooled plate of the present invention;

Fig. 4 is a three-dimensional structural diagram of the water-cooled plate of the present invention from another perspective;

Fig. 5 is a three-dimensional exploded structure diagram of the water-cooled plate of the present invention;

Fig. 6 is a cross-sectional structure diagram of the water-cooled plate of the present invention;

Fig. 7 is a schematic diagram of water flow in and out of the water pump of the utility model;

Fig. 8 is a three-dimensional structural diagram of the microchannel blade of the present invention;

Fig. 9 is a three-dimensional structure diagram of another viewing angle of the microchannel shovel of the present invention;

Fig. 10 is a three-dimensional structure diagram of the folded fin of the present invention.

In the figure, 20-graphics card, 11-water cooling plate, 12-circulating water pump, 13-cold water rubber hose, 14-hot water rubber hose, 15-heat exchanger, 111-water cooling plate cover, 112-water cooling plate lower cover, 113- Water outlet connector, 114-water inlet connector, 115-installation fixing stud, 116-micro-channel shovel, 117-main chip heat dissipation chamber, 118-sub-chip heat dissipation chamber, 119-folded fins, 1110-splitter.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model will be further described. It should be noted here that the descriptions of these implementations are used to help understand the utility model, but are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

As shown in Figures 1-6, a plate-type water-cooled graphics card radiator includes a water-cooled plate 11, a circulating water pump 12, a cold water hose 13, a hot water hose 14, and a heat exchanger 15, and the water-cooled plate 11 is fixed by a stud 115 Fitted and installed on the graphics card 20, the water cooling plate 11 is provided with a main chip cooling chamber 117 corresponding to the graphics card main chip, and the main chip cooling cavity 117 passes through the circulating water channel in the water cooling plate 11 and is arranged on the The water inlet joint 114 on one side of 11 is communicated with the water outlet joint 113 respectively, and the cold water rubber hose 13 and the hot water rubber hose 14 are respectively connected between the water inlet joint 114 and the water outlet joint 113 through a circulating water pump 12, and the cold water hose 13 and the hot water hose 14 are respectively connected. The other ends of the rubber hose 13 and the hot water hose 14 are respectively connected to the heat exchanger 15, and the heat exchanger 15 and the external cooling fan are installed on the chassis. When in use, the water cooling medium is driven by the circulating water pump 12, and the cold water cooled by the heat exchanger 15 flows in from the water inlet of the water cooling plate 11, and flows through the circulating water channel of the water cooling plate 11, wherein the circulating water channel flows through the main core of the graphics card The corresponding heat dissipation cavity 117 of the main chip absorbs the heat of the main chip, thereby reducing the temperature of the main control chip of the graphics card, and flows back to the heat exchanger 15 to form a closed-circuit water cooling cycle.

Wherein, the water-cooled plate 11 includes a water-cooled plate cover 111 and a water-cooled plate lower cover 112, and the water-cooled plate cover 111 and the water-cooled plate lower cover 112 are fixed together by brazing; 111 and the water-cooled plate lower cover 112 are respectively provided with stamping grooves and contact bosses, and the stamping grooves of the water-cooled plate cover 111 and the water-cooled plate lower cover 112 are correspondingly fitted to form a circulating water channel; The contact boss corresponds to the position of the main chip of the graphics card to form a cooling cavity 117 for the main chip, and the outer wall of the cooling cavity 117 for the main chip is bonded to the main chip of the graphics card.

Wherein, the water-cooled plate 11 is provided with a plurality of sub-chip cooling chambers 118 corresponding to the plurality of video memory chips of the graphics card 20, the outer walls of the plurality of sub-chip cooling chambers 118 are attached to the video memory chips, and the circulating water channel communicates with a plurality of sub-chip cooling chambers. The sub-chip cooling chamber 118 .

Wherein, after the water-cooling plate 11 is locked by the fixing spring screws of the main chip of the graphics card and the fixing screws of the water-cooling plate, each boss of the lower cover of the water-cooling plate 112 is guaranteed to be in contact with each chip of the graphics card to ensure the heat conduction path.

Preferably, the cold water hose 13 and the hot water hose 14 have the characteristics of certain hardness, flexibility and bendability, low water evaporation rate, and smooth inner wall; they can be coldly inserted into the barb structure of the circulating water pump 12 and the heat exchanger 15, and are difficult to insert after insertion. Shedding, low leak rate characteristics.

Preferably, the heat exchanger 15 has a barbed water inlet and outlet, which is cold-inserted and connected with the cold water hose 13 and the hot water hose 14; there are fan screw holes on the mounting plates on both sides, and one or two fans can be installed through the chassis. The power of the radiator can be changed by the cooling power of the graphics card, and the number of flat tubes and wave bands can be increased or decreased to adapt to different cooling powers of the graphics card. The speed of the fan installed on the heat exchanger 15 can be adjusted to adapt to the instantaneous thermal power of the graphics card Variety.

As shown in Figures 8 and 9, a microchannel shovel 116 and a shunt 1110 are arranged in the heat dissipation cavity 117 of the main chip. The fin array of the sheet 116 is disposed in the heat dissipation chamber 117 of the main chip, and the splitter 1110 is disposed between the fin array and the inner wall of the heat dissipation chamber 117 of the main chip. The micro-channel shovel 116 and the splitter 1119 effectively ensure that the water-cooling medium can fully flow through the fins of the micro-channel shovel, and take away heat most effectively.

Among them, the microchannel shovel 116 has the characteristics of high shovel density, and it is easy for the water-cooling medium to fully flow through the surface of the shovel to complete the heat exchange process; there is a prismatic boss on the back, and the prismatic boss is matched with the lower cover of the water-cooled plate. In order to ensure the positioning accuracy of the micro-channel shovel 116, the gap can be controlled to be less than 0.1mm; the prismatic convex platform directly contacts the main control chip of the graphics card, and thermal grease can be applied between the contact surfaces to reduce contact thermal resistance. The height of the platform is greater than the thickness of the lower cover of the water-cooled plate, which can prevent the micro-channel blade and the main control chip of the graphics card from being suspended in the air after the water-cooled plate and the graphics card are installed, causing air thermal resistance; The inner cavity of the cover is in contact, and after the shunt plate and the water-cooled plate are laminated, it is suitable for plane brazing; there are chamfers on both sides of the shovel, and after the shunt cover is pressed, the chamfers form a diversion area, which can effectively allow the water-cooling medium to flow through the surface of each shovel.

As shown in FIG. 10 , each of the sub-chip cooling chambers 118 is respectively provided with folded fins 119 ; the folded fins 119 increase the Reynolds number of the water-cooling medium fluid and act as turbulence.

Preferably, the water-cooled plate cover 111 and the water-cooled plate lower cover 112 are punched and pressed from an alloy sheet, and have a water inlet joint notch, a water outlet notch, a square circulating water channel, a video memory contact boss, and a graphics card main control chip contact boss. The through hole of the riveting stud and the riveting stud; the through hole of the riveting stud and the stud are punched to form an interference fit; the contact plane of the water cooling plate cover 111 and the water cooling plate lower cover 112 is the brazing surface, and the square shape after brazing Circulating water channel, video memory contact boss, graphics card main control chip contact boss function as water-cooled plate reinforcement ribs; water-cooled plate cover 111, water-cooled plate lower cover 112, water inlet joint 114, water outlet joint 113 adjacent channels after brazing There should be no leakage of liquid between adjacent joints; the contact boss of the main control chip of the graphics card is in contact with the shunt, and after lamination, the shunt is welded to the surface of the water-cooling plate cover 111 to prevent the water-cooling medium from directly crossing the microchannel The shovel reduces the heat dissipation energy efficiency.

Preferably, the water inlet joint 114 and the water outlet joint 113 are processed by machining equipment, which can ensure the welding size, and are sealed after being pressed and brazed by the water-cooled plate cover 111 and the water-cooled plate lower cover 112. The inner wall of the joint has a water pump joint There is a spring pin hole crossing the joint on the outer wall, which can prevent the water pump joint from falling off; when assembling the water inlet joint on the water cooling plate, use point pressure assembly to prevent the water cooling plate from being guaranteed before entering the furnace for brazing. The upper and lower covers are not loose.

Wherein, the fixed support studs of the water cooling plate 11 and the installation and fixation studs of the main chip of the graphics card are jointly riveted into one body.

Preferably, the installation and fixing studs of the water-cooled plate 11 have tooth shapes that are easy to be riveted, and are interference fit with the water-cooled plate cover 111 and the water-cooled plate lower cover 112, so as to ensure that the upper and lower covers of the water-cooled plate are not loose before brazing in the furnace. After welding, it can be post-processed to ensure the height of the stud and the parallelism between the end face and the PCB board of the graphics card; it can strengthen the strength of the water-cooled plate and support and strengthen the role of the water-cooled plate.

Preferably, the installation and fixing studs of the main control chip of the graphics card have a tooth shape that is easy to be riveted, and are interference-fitted with the upper cover 111 of the water-cooled plate and the lower cover 112 of the water-cooled plate, so as to ensure that the upper and lower covers of the water-cooled plate are not loose before brazing in the furnace , After brazing, it can be post-processed to ensure the height of the stud and the parallelism between the end face and the PCB board of the graphics card; it has the function of strengthening the strength of the water-cooled plate and supporting and strengthening the water-cooled plate.

Wherein, the water inlet connector 114 and the water outlet connector 113 of the water cooling plate 11 are arranged on the side of the fixed end of the graphics card and the chassis.

As shown in Figure 7, the circulating water pump 12 is a dual-channel 90-degree hot and cold water separation pump, and the circulating water pump 12 is installed on the side of the fixed end of the graphics card and the chassis, which can reduce the load on the gold finger area of the graphics card; 90 degrees The channel can reduce the height of the graphics card radiator after installation, which is suitable for more chassis options; the dual-channel 90-degree cold and hot water separates the water pump, and the rotor flows through the cold water medium to ensure that the rotor and stator handle the low-temperature end, while the high-temperature channel is far away from the rotor and stator area.

Among them, the dual-channel 90-degree cold and hot water separation pump has the characteristics of two water inlets and two water outlets; one set of waterways flows through the impeller rotor, which is the cold waterway, and the other set of waterways is independent of the hot waterway and does not intersect with the cold waterway. And there is an air gap between the cold water channel and the assembled stator, which effectively prevents the heat of the hot water channel from being transferred to the electromagnetic area of the rotor and stator, and prolongs the life of the water pump; one end of the cold water channel has a sealing groove for placing a sealing ring, which is compatible with the water cooling The water inlet joint of the cold water channel is connected to the water inlet joint; there is an installation groove for placing the spring pin above the sealing groove of the cold water channel, which is connected to the water inlet joint of the water cooling plate; the other end of the cold water channel has a barb feature, which is interference fit with the cold water hose The cold insert assembly method has the characteristics of low leakage rate; one end of the hot water channel has a sealing groove for placing a sealing ring, which is connected to the water outlet joint of the water cooling plate; The groove is connected to the water outlet joint of the water cooling plate; the other end of the hot water channel has a barb feature, which is an interference fit with the cold water hose, and the cold insertion assembly method has the characteristics of low leakage rate.

The embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the utility model, various changes, modifications, replacements and modifications to these embodiments still fall within the protection scope of the utility model.

Claims (8)

1. A plate-type water-cooled graphics card radiator, characterized in that: it comprises a water-cooled plate, a circulating water pump, a cold water rubber hose, a hot water rubber hose and a heat exchanger, and the water-cooled plate is mounted on the graphics card by a fixed installation stud, and the The water-cooled plate is provided with a main chip cooling cavity corresponding to the main chip of the graphics card, and the main chip cooling cavity communicates with the water inlet joint and the water outlet joint provided on one side of the water-cooled plate through the circulating water channel in the water-cooled plate. The water inlet joint and the water outlet joint are respectively connected with a cold water rubber hose and a hot water rubber hose through a circulating water pump, and the other ends of the cold water rubber hose and the hot water rubber hose are respectively connected with the heat exchanger, and the heat exchange The controller and the external cooling fan are installed on the chassis. 2. A plate-type water-cooled graphics card radiator according to claim 1, wherein the water-cooled plate includes a water-cooled plate cover and a water-cooled plate lower cover, and the water-cooled plate cover and the water-cooled plate lower cover pass through Brazing fits and fixes together; the upper cover of the water-cooled plate and the lower cover of the water-cooled plate are respectively provided with stamping grooves and contact bosses, and the stamping grooves of the upper cover of the water-cooled plate and the lower cover of the water-cooled plate correspond to Bonding to form a circulating water channel; the contact boss corresponds to the position of the main chip of the graphics card to form a heat dissipation chamber for the main chip, and the outer wall of the heat dissipation chamber for the main chip is bonded to the main chip of the graphics card. 3. A kind of plate-type water-cooled graphics card radiator according to claim 2, characterized in that: said water-cooled plate is provided with a plurality of sub-chip heat dissipation cavities corresponding to a plurality of video memory chips of the graphics card, and a plurality of said sub-chip heat dissipation cavities The outer wall is bonded to the video memory chip, and the circulating water channel communicates with a plurality of sub-chip cooling chambers. 4. A kind of plate-type water-cooled graphics card radiator according to claim 2, characterized in that: a micro-channel shovel and a shunt are arranged in the heat dissipation cavity of the main chip, and the contact surface of the micro-channel shovel and the graphics card main Chip bonding, the fin array of the micro-channel shovel is arranged in the heat dissipation chamber of the main chip, and the splitter is arranged between the fin array and the inner wall of the heat dissipation chamber of the main chip. 5 . The plate-type water-cooled graphics card radiator according to claim 3 , wherein each of the sub-chip cooling chambers is respectively provided with folded fins. 6 . 6 . The plate-type water-cooled graphics card radiator according to claim 1 , wherein the fixed support studs of the water-cooled plate and the installation and fixation studs of the main chip of the graphics card are jointly riveted into one body. 7. The plate-type water-cooled graphics card radiator according to claim 2, characterized in that: the water inlet joint and the water outlet joint of the water-cooled plate are arranged on the side of the fixed end of the graphics card and the chassis. 8. A plate-type water-cooled graphics card radiator according to claim 7, characterized in that: the circulating water pump is a dual-channel 90-degree hot and cold water separation pump, and the circulating water pump is installed on the same side as the fixed end of the graphics card and the chassis. side.