Cooling apparatus, rotary drilling rig, and engine cooling method

Abstract

The present invention relates to the technical field of engineering machinery, and specifically relates to a cooling apparatus, a rotary drilling rig, and an engine cooling method. The cooling apparatus includes a variable control mechanism, a fan, a heat dissipation mechanism, and a controller; the variable control mechanism is connected to the fan, and is configured to drive the fan to rotate, so that the heat dissipation mechanism dissipates heat; both the variable control mechanism and the heat dissipation mechanism are electrically connected to the controller, wherein the heat dissipationmechanism includes at least two heat dissipation components, and each heat dissipation component includes a temperature sensor and a radiator; the controller is electrically connected to the temperature sensor, and the temperature sensor is configured to detect temperature of the radiator; the controller is configured to: obtain temperature of each radiator, and control the variable control mechanism to adjust a rotation speed of the fan based on a comparison result between the temperature of each radiator and a preset value of each radiator. In the present invention, the cooling apparatus, the rotary drilling rig, and the engine cooling method can flexibly adjust the rotation speed of the fan based on the temperature of each radiator, so that each radiator has good cooling performance.

Description

Technical field [0001] The present invention relates to the technical field of engineering machinery, in particular to a cooling device, a rotary drilling rig and an engine cooling method. Background technique [0002] Rotary drilling rig engines provided by related technologies are mostly diesel engines. The cooling system used includes coolant heat dissipation components, air heat dissipation components, and fuel heat dissipation components. The above three heat dissipation components are usually cooled by a fan to provide cooling air. When cooling components with different heat dissipation media are used to dissipate the engine, they have different heat dissipation capabilities, and when dissipating heat, the temperature of each heat dissipation component itself is different, and fans with different speeds are required to ensure effective heat dissipation for each heat dissipation component , But related technology is difficult to ensure stable cooling of the engine. Summary ...

AI Technical Summary

Problems solved by technology

[0002] Most of the rotary drilling rig engines provided in the related art are diesel engines, and the cooling system used therein includes a coolant cooling assembly, an air cooling assembly and a fuel cooling assembly. The above three cooling assemblies are usually cooled by cooling air provided by a fan. However, the three When heat dissipation components with different heat dissipation media are used to dissipate heat from the engine, they have different heat dissipation capabilities, and when dissipating heat, the temperature of each heat dissipation component is different, and fans with different speeds are required to ensure effective heat dissipation for each heat dissipation component. , but related technologies are difficult to ensure stable cooling of the engine

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