POWERFUL
ELECTRONIC
COOLING SOLUTIONS
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Whether you are meeting the challenge of the thermal capability, need to reduce the pressure drop, or critical application conditions...
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In power electronics cooling applications, transformation, driving, and signal transmission, cooling challenges are becoming a major constraint for product development. While Liquid cooling has become the preferred thermal management solution. Phenciie thermal offers comprehensive liquid cooling solutions, including thermal design, simulation, structural design, and pipe assembly for liquid and water cooling plates, along with one-stop services. Various liquid and water cold plate options are available based on application needs:
Copper Tube Embedded Cooling Plates+
Copper Tube Embedded Cooling Plates are heat dissipation substrates made by milling channel grooves into a base plate (C1100 copper or Al6061/Al6063 aluminum) via CNC machining, then embedding bent copper tubes into the grooves. A small amount of high-thermal-conductivity epoxy or solder paste is applied to secure the tubes and enhance heat transfer. Key features of this technology include: 1. Best cost performance; 2. Low cost: virtually no mold costs, and no minimum order quantity; 3. High reliability: the seamless bent copper tubes, when properly sized, pose minimal fluid leakage risk and withstand pressure over 6 kg/cm²; 4. Supports double-sided mounting of heating elements for compact design; 5. Allows copper tubes to be flattened and milled flush with the base plate surface, enabling direct contact with heat-generating components for efficient heat conduction; 6. Highly adaptable dimensions: can be produced up to 1200*800 mm, with a minimum thickness of 10 mm.
Aluminum Extrusion Profile Cooling Plate
Extruded flow channel techniques are interconnected by machining to remove any blockage. The assembly is sealed by the friction welding technique with a high production throughput and low cost. This technique is not suitable for applications with higher power density or too many screw holes on the surface since this will create constraints for the flow passages. The main applications include the cooling of power batteries, heating devices, and integrated cooling products such as standard power modules.
Vacuum Brazing Cooling Plate
Processing Method: The internal channels of the cold plate are formed with fin structures and using vacuum brazing technology, ensuring a monolithic and leak-proof structure with optimized flow paths. Key Advantages: 1. High thermal efficiency: Integrated fins significantly increase heat transfer surface area, improving cooling performance. 2. Robust and sealed construction: Vacuum brazing ensures full penetration bonding with high pressure resistance and no leakage. 3. Customizable channel and fin designs: Supports tailored configurations for flow rate, pressure drop, and thermal requirements. 4. Suitable for high power density applications: Effective cooling in limited spaces with uniform temperature distribution. 5. Compatible with various materials including aluminum and copper alloys for flexibility in design and application. Typical Specifications: · Max. operating pressure: ≥ 10 bar · Fin thickness: 0.3 mm – 1.5 mm · Channel width: 1 mm – 5 mm · Plate dimensions: Up to 600 mm × 600 mm · Material options: Aluminum series (e.g., Al6061, Al3003) or copper alloys
Processing Method: A solid metal profile (AL6063 or C1100 copper) is precision-cut into thin sheets of specified thickness using a specialized planing machine, which are then bent upright to form cooling fins. Advantages of Precision Planing: 1. No mold required for prototypes; low mold cost for mass production (typically rectangular plate molds). Customizable based on client requirements, with many existing public molds available. 2. Excellent thermal conductivity: fins and base plate are monolithic, enabling direct heat transfer without intermediate layers. 3. Fully customizable fin height, thickness, and spacing. Compared to extruded heat sinks, heat exchange area can be increased by over 50% within the same weight and volume. 4. Uniform material composition supports various surface treatments (e.g., conductive oxidation, passivation, anodizing) for different environments. 5. High reliability with no risk of failure while maintaining efficient cooling. Specification Limits: · Width (equivalent to fin length in extruded heat sinks): ≤350 mm · Base Thickness: ≤30 mm · Fin thickness: 0.25~2.0 mm (recommended for flatness) · Fin length: ﹤550mm · Fin gap: 0.2~6.5mm · Total Length: Up to 3000 mm
Aluminum Extrusion Profile Cooling Plate
Extruded flow channel techniques are interconnected by machining to remove any blockage. The assembly is sealed by the friction welding technique with a high production throughput and low cost. This technique is not suitable for applications with higher power density or too many screw holes on the surface since this will create constraints for the flow passages. The main applications include the cooling of power batteries, heating devices, and integrated cooling products such as standard power modules.
CNC Machining And Brazing Cooling Plate
Friction Stir Welding (FSW) is a solid-state joining process that utilizes mechanical force and frictional heat. During FSW, a cylindrical tool with a specialized shoulder and pin rotates and slowly plunges into the workpieces to be joined. The frictional shear resistance between the tool and the materials generates heat, plasticizing the adjacent material (the welding temperature typically remains below the melting point of the base material). As the tool advances along the joint, the thermally plasticized metal transfers from the leading to the trailing side of the tool. Under the combined effects of frictional heat from the shoulder and forging pressure, a dense solid-phase joint is formed. Technical Characteristics: 1. Porosity-free, no element loss, and no hot cracking—ensuring high reliability and leak-proof performance. 2. No elemental or microstructural segregation during solidification; isotropic microstructure in the weld zone without reinforcement. 3. Simple welding process: no filler wire, no groove preparation, no pre-weld treatment, and no shielding gas required. 4. Environmentally friendly process: no light or gas pollution. 5. Low shrinkage and minimal deformation in the weld zone. 6. High equipment and processing costs—currently among the most expensive joining methods—with stringent demands on operator skill.
Friction Welded Liquid Cooling Plate
Friction Stir Welded (FSW) Liquid Cold Plates, crafted from aluminum or copper, offer superior thermal conductivity and robust sealing. They provide ideal thermal management for high-power semiconductors in aerospace, automotive, and telecommunications applications.
