CN210003377U - Cooling device and rotary drilling rig - Google Patents
Cooling device and rotary drilling rig Download PDFInfo
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- CN210003377U CN210003377U CN201920992440.8U CN201920992440U CN210003377U CN 210003377 U CN210003377 U CN 210003377U CN 201920992440 U CN201920992440 U CN 201920992440U CN 210003377 U CN210003377 U CN 210003377U
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- 238000001816 cooling Methods 0.000 title claims abstract description 82
- 238000005553 drilling Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 103
- 230000017525 heat dissipation Effects 0.000 claims abstract description 77
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 48
- 239000002826 coolant Substances 0.000 claims description 38
- 239000000446 fuel Substances 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 description 11
- 230000002829 reductive effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of engineering machinery, in particular to a cooling device and a rotary drilling rig; the cooling device comprises a variable control mechanism, a fan, a heat dissipation mechanism and a controller, wherein the variable control mechanism is connected with the fan and used for driving the fan to rotate so as to enable the heat dissipation mechanism to dissipate heat; the variable control mechanism and the heat dissipation mechanism are electrically connected with the controller; the heat dissipation mechanism comprises at least two heat dissipation assemblies, each heat dissipation assembly comprises a temperature sensor and a heat sink, the controller is electrically connected with the temperature sensor, and the temperature sensor is used for detecting the temperature of the heat sink; the controller is used for acquiring the temperature of each radiator and controlling the variable control mechanism to adjust the rotating speed of the fan according to the comparison result of the temperature of each radiator and a preset value; the utility model discloses a cooling device and dig rig soon can be nimble according to the temperature of each radiator, adjust the fan speed to make each radiator all have good cooling performance.
Description
Technical Field
The utility model relates to an engineering machine tool technical field particularly, relates to cooling device and dig rig soon.
Background
The rotary drilling rig engine that correlation technique provided is mostly diesel engine, its cooling system who uses includes coolant liquid radiator unit, air radiator unit and fuel radiator unit, above-mentioned three radiator unit provides cooling air by fans usually and cools off, however when three kinds of different radiating medium's radiator unit is used for giving the engine heat dissipation, different heat-sinking capability has, and when the heat dissipation, the temperature of each radiator unit self is different, and then the fan that needs different rotational speeds just can guarantee to all dispel the heat effectively for each radiator unit, but correlation technique is difficult to guarantee stable cooling engine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an kind of cooling device and dig rig soon, its rotational speed that can be according to the temperature regulation fan of each radiator in the heat dissipation mechanism to improve this cooling device's cooling effect, provide more stable cooling with the engine of digging the rig soon for.
The embodiment of the utility model is realized like this:
cooling device comprises a variable control mechanism, a fan, a heat dissipation mechanism and a controller, wherein the variable control mechanism is connected with the fan and used for driving the fan to rotate so as to enable the heat dissipation mechanism to dissipate heat, the variable control mechanism and the heat dissipation mechanism are electrically connected with the controller, the heat dissipation mechanism comprises at least two kinds of heat dissipation assemblies, heat dissipation media of the heat dissipation assemblies are different, each heat dissipation assembly comprises a temperature sensor and a heat sink, the controller is electrically connected with the temperature sensor, the temperature sensors are used for detecting the temperature of the heat sinks, the controller is used for obtaining the temperature of the heat sinks, and the variable control mechanism is controlled to adjust the rotating speed of the fan according to the comparison result of the temperature of the heat sinks and a preset value.
Optionally, the heat dissipation mechanism comprises three heat dissipation assemblies.
Optionally, the three heat dissipation assemblies are an air heat dissipation assembly, a fuel heat dissipation assembly and a coolant heat dissipation assembly respectively.
Optionally, the variable control mechanism comprises a hydraulic pump and a motor which are connected with each other, and the fan is fixedly sleeved on an output shaft of the motor; the controller is used for controlling the motor to adjust the rotating speed of the fan.
Optionally, the variable control mechanism comprises a fixed displacement pump, a fixed displacement motor and a proportional overflow valve arranged between the fixed displacement pump and the fixed displacement motor; the fan is in transmission connection with an output shaft of the quantitative motor; the controller is electrically connected with the proportional overflow valve and is used for adjusting the opening and closing of the proportional overflow valve so as to control the quantitative motor to adjust the rotating speed of the fan.
Optionally, the variable control mechanism comprises a variable pump and a fixed-displacement motor which are connected with each other, and the fan is in transmission connection with an output shaft of the fixed-displacement motor; the controller is electrically connected with the variable pump and is used for controlling the variable pump to drive the quantitative motor to adjust the rotating speed of the fan.
Optionally, the variable control mechanism comprises a fixed displacement pump and a variable motor which are connected with each other, and the fan is in transmission connection with an output shaft of the variable motor; the controller is electrically connected with the variable motor and is used for controlling the variable motor to adjust the rotating speed of the fan.
Optionally, the variable control mechanism further comprises a reversing valve, and the controller is electrically connected with the reversing valve and used for controlling the reversing valve to determine the steering direction of the fan.
Optionally, the reversing valve comprises a three-position, four-way solenoid valve.
rotary drilling rigs, the cooling device is used for cooling the engine of the rotary drilling rig.
The utility model discloses cooling device's beneficial effect includes the utility model provides a cooling device includes variable control mechanism, the fan, heat dissipation mechanism and controller, variable control mechanism is used for the drive rather than the fan of being connected, so that utilize the fan to dispel the heat for the radiator unit of heat dissipation mechanism, wherein, heat dissipation mechanism includes two at least radiator units, each radiator unit's radiating medium is all inequality, every radiator unit all includes temperature sensor and radiator, the controller is connected with the temperature sensor electricity, temperature sensor is used for detecting the temperature of radiator, each radiator all is used for cooling down for the engine of mechanical equipment such as rotary drilling rig, the controller is used for acquireing the temperature of each radiator, and according to the temperature and the default contrast result of each radiator, the rotational speed of fan is adjusted to control variable control mechanism, comes like this, can be nimble according to the temperature contrast between each radiator and the default, adjust the rotational speed of fan, thereby adjust the temperature of each radiator, in order to guarantee that each radiator all has stably, cooling capacity effectively.
The utility model discloses dig rig soon's beneficial effect includes: the embodiment of the utility model provides a dig rig soon includes foretell cooling device, and this cooling device is used for cooling down for digging the engine of rig soon, and cooling device carries out the result of contrast according to the temperature and the default of each radiator that the controller acquireed, and the rotational speed of fan is adjusted to control variable control mechanism to the temperature of each radiator of control that can be nimble, thereby guarantee that heat dissipation mechanism can stabilize, cool down effectively for digging the engine of rig soon.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a block diagram of a cooling device according to an embodiment of the present invention;
FIG. 2 is a block diagram II of the cooling device according to the embodiment of the present invention;
FIG. 3 is a flow chart of a method of cooling an engine according to an embodiment of the present invention;
fig. 4 is a second flowchart of an engine cooling method according to an embodiment of the present invention.
Icon: 010-a cooling device; 100-variable control mechanism; 200-a fan; 300-a controller; 400-a heat dissipation mechanism; 410-a heat dissipation assembly; 411-temperature sensor; 412-a heat sink; 110-dosing pump; 120-a quantitative motor; 130-proportional relief valve; 101-a hydraulic pump; 102-a motor; 140-direction changing valve.
Detailed Description
For purposes of clarity, technical solutions and advantages of embodiments of the present invention, it is apparent that the embodiments described are some, but not all, embodiments of embodiments of the present invention that the components of the embodiments of the present invention described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations generally.
In the description of the embodiments of the present invention, it should be noted that the terms of the indicated orientation or position relationship are based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In describing embodiments of the present invention, it should be further noted that unless otherwise expressly stated or limited, the terms "disposed" and "connected" are intended to be , for example, they may be fixedly connected, detachably connected, or physically connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, and communicating between two elements.
Referring to fig. 1, the present embodiment provides cooling devices 010, which can be used for cooling an engine of a mechanical apparatus such as a rotary drilling rig.
Referring to fig. 1 and fig. 2, the cooling device 010 of the present embodiment includes a variable control mechanism 100, a fan 200, a heat dissipation mechanism 400 and a controller 300, wherein the variable control mechanism 100 is connected to the fan 200 and is configured to drive the fan 200 to rotate so as to dissipate heat from the heat dissipation mechanism 400; the variable control mechanism 100 and the heat dissipation mechanism 400 are electrically connected to the controller 300; the heat dissipation mechanism 400 includes at least two kinds of heat dissipation assemblies 410, and the heat dissipation media of the heat dissipation assemblies 410 are different, each heat dissipation assembly 410 includes a temperature sensor 411 and a heat sink 412, the controller 300 is electrically connected to the temperature sensor 411, and the temperature sensor 411 is used for detecting the temperature of the heat sink 412; the controller 300 is configured to obtain the temperature of each radiator 412, and control the variable control mechanism 100 to adjust the rotation speed of the fan 200 according to the comparison result between the temperature of each radiator 412 and the preset value. It should be noted that each radiator 412 of the heat dissipation mechanism 400 is used for cooling an engine of a mechanical device such as a rotary drilling rig.
After acquiring the temperature of each heat sink 412, the controller 300 of the cooling device 010 of this embodiment compares the temperature of each heat sink 412 with a preset value, so that the variable control mechanism 100 can be controlled to adjust the rotation speed of the fan 200 according to the comparison result between the temperature of each heat sink 412 and the preset value, and the rotation speed of the fan 200 can be flexibly adjusted to flexibly adjust the temperature of the heat dissipation mechanism 400, so that each heat sink 412 of the heat dissipation mechanism 400 can have stable and effective cooling capability.
It should be noted that the preset value may be a critical high temperature of the engine of the mechanical equipment cooled by the cooling device 010 in normal operation, or a critical temperature at which each radiator 412 can cool the engine of the mechanical equipment, and further , the preset value may be a temperature range of segments, or temperature points, for example, the preset value may be 35-40 ℃, 35-45 ℃, or 40 ℃, and the temperature of the radiator 412 is equal to the preset value, may be a point at which the temperature of the radiator 412 is equal to the preset value, or falls within a preset value interval.
, the controller 300 of the present embodiment is configured to obtain the temperature value of the corresponding heat sink 412 detected by each temperature sensor 411, the controller 300 is specifically configured to control the variable control mechanism 100 to increase the rotation speed of the fan 200 when at least sensors detect that the temperature of the corresponding heat sink 412 is higher than the preset value, and the other sensors detect that the temperature of the corresponding heat sink 412 is equal to the preset value, the controller 300 is further configured to control the variable control mechanism 100 to decrease the rotation speed of the fan 200 when at least sensors detect that the temperature of the corresponding heat sink 412 is lower than the preset value, and the other sensors detect that the temperature of the corresponding heat sink 412 is equal to the preset value, the controller 300 is further configured to control the variable control mechanism 100 to adjust the rotation speed of the fan 200 when each sensor detects that the temperature of the heat sink 412 is equal to the preset value, so as to flexibly adjust the temperature of each heat sink 412 in the heat dissipation mechanism 400, and thus the plurality of heat sinks 412 can maintain stable and effective cooling effect.
, the heat dissipation mechanism 400 of the present embodiment includes an air heat dissipation assembly, a fuel heat dissipation assembly, and a coolant heat dissipation assembly, and the air heat dissipation assembly, the fuel heat dissipation assembly, and the coolant heat dissipation assembly can all be used to cool an engine of a mechanical device such as a rotary drilling rig.
, the air heat sink assembly of this embodiment includes an air temperature sensor and an air heat sink, the fuel heat sink assembly includes a fuel temperature sensor and a fuel heat sink, and the coolant heat sink assembly includes a coolant temperature sensor and a coolant heat sink, which are all electrically connected to the controller 300, and the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor are respectively used to detect the temperatures of the air heat sink, the fuel heat sink and the coolant heat sink, and transmit the detected temperatures to the controller 300.
It should be noted that the structures and the operating principles of the air temperature sensor, the fuel temperature sensor, the coolant temperature sensor, the air radiator, the fuel radiator, and the coolant radiator are similar to those of the related art, and are not described herein again.
In other embodiments, the air heat sink assembly may further include an intercooled heat sink and an air temperature sensor. In other embodiments, the heat sink mechanism 400 may include an air heat sink assembly and a fuel heat sink assembly, or a fuel heat sink assembly and a coolant heat sink assembly, or an air heat sink assembly and a coolant heat sink assembly.
referring to FIG. 1, the variable control mechanism 100 of the present embodiment comprises a hydraulic pump 101 and a motor 102 connected to each other, a fan 200 is fixedly secured to an output shaft of the motor 102, a controller 300 is used to control the motor 102 to adjust a rotation speed of the fan 200, specifically, when the rotation speed of the output shaft of the motor 102 increases, the rotation speed of the fan 200 increases to increase the rotation speed, and when the rotation speed of the output shaft of the motor 102 decreases, the rotation speed of the fan 200 decreases to decrease the rotation speed, the hydraulic pump 101 is used to provide high pressure oil to the motor 102, thereby driving the fan 200 to rotate.
It should be noted that, when the cooling device 010 provided in this embodiment cools the engine of the rotary drilling rig, since the fan 200 is not disposed on the rotating shaft of the engine, the cooling of the heat dissipation mechanism 400 by the fan 200 may not be affected by the rotation of the rotating shaft of the engine.
In detail, referring to fig. 2, the variable control mechanism 100 of the embodiment includes a fixed displacement pump 110, a fixed displacement motor 120, and a proportional relief valve 130 disposed between the fixed displacement pump 110 and the fixed displacement motor 120, the fan 200 is drivingly connected to an output shaft of the fixed displacement motor 120, and the controller 300 is electrically connected to the proportional relief valve 130 for adjusting the opening and closing of the proportional relief valve 130 to control the fixed displacement motor 120 to adjust the rotation speed of the fan 200, i.e., the hydraulic pump 101 includes the fixed displacement pump 110 and the motor 102 includes the fixed displacement motor 120. in detail, when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is higher than a predetermined value, and the temperature of the other sensor detects that the temperature of the corresponding radiator 412 is equal to the predetermined value, the current of the proportional relief valve 130 is controlled to be changed to increase the opening of the proportional relief valve 130 to increase the rotation speed of the fixed displacement motor 120 to increase the rotation speed of the fan 200, the rotation speed of the radiator 412 is increased to make the temperatures of the radiators 412 equal to the predetermined values, and when the temperatures of the air temperature sensor, the temperatures of the radiator temperature sensor, and the coolant temperature sensor, and the radiator temperature sensor detect that of the radiator temperature sensor are not equal to the radiator temperature of the radiator temperature sensor, and the radiator temperature of the radiator 130, and the radiator temperature sensor, and the radiator temperature.
It should be noted that the temperatures of the corresponding radiators 412 detected by at least of the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor are higher or lower than the preset value, and the temperatures of the corresponding radiators 412 detected by the other sensors are equal to the preset value, including three cases that the temperatures of the corresponding radiators 412 detected by any of the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor are higher or lower than the preset value, the temperatures of the corresponding radiators 412 detected by any two of the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor are higher or lower than the preset value, and the temperatures of the corresponding radiators 412 detected by the three sensors are higher or lower than the preset value.
In other embodiments, referring to fig. 1, the variable control mechanism 100 includes a variable pump and a fixed displacement motor 120 connected to each other, the fan 200 is drivingly connected to an output shaft of the fixed displacement motor 120, the controller 300 is electrically connected to the variable pump for controlling the variable pump to drive the fixed displacement motor 120 to adjust a rotation speed of the fan 200, i.e., the hydraulic pump 101 may further include the variable pump, and in detail, when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that a temperature of the corresponding radiator 412 is higher than a predetermined value, and when a temperature of the corresponding radiator 412 detected by the other sensor is equal to the predetermined value, the displacement of the variable pump is controlled to increase a rotation speed of the fixed displacement motor 120 to increase a rotation speed of the fan 200 to increase the rotation speed to equalize temperatures of the radiators 412 of the radiators 400 to the predetermined value, and when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperatures of the corresponding radiators 412 are equal to the predetermined value, the displacement of the variable displacement motor 120 is controlled to decrease the rotation speed of the variable displacement motor 120 to maintain the temperatures of the radiator 200 and the variable displacement of the radiator 120 equal to the predetermined value, and the temperatures of the radiator temperature of the radiator are not equal to the predetermined value, and the temperatures of the radiator temperature of the radiator 412 detected by the variable displacement sensor.
In other embodiments, referring to fig. 1, the variable control mechanism 100 includes a constant displacement pump 110 and a variable motor connected to each other, the fan 200 is drivingly connected to an output shaft of the variable motor, the controller 300 is electrically connected to the variable motor for controlling the variable motor to adjust a rotation speed of the fan 200, i.e., the motor 102 may further include the variable motor, and in detail, when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that a temperature of the corresponding radiator 412 is higher than a predetermined value, and when a temperature of the corresponding radiator 412 detected by another sensor is equal to the predetermined value, the variable motor is controlled to increase the rotation speed of the fan 200 to make temperatures of the radiators 412 of the heat dissipation mechanism 400 equal to the predetermined value, when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that a temperature of the corresponding radiator 412 is lower than the predetermined value, and when a temperature of the corresponding radiator 412 detected by another sensor is equal to the predetermined value, the variable motor is controlled to decrease the rotation speed of the fan 200 to make temperatures of the radiator 412 equal to the predetermined value, and when the temperatures of the air temperature sensor, the variable motor is not equal to the temperature of the radiator 412, the variable motor is equal to the predetermined value, and the variable speed of the variable motor.
Referring to fig. 2, the variable control mechanism 100 of the present embodiment further includes a direction-changing valve 140, and the controller 300 is electrically connected to the direction-changing valve 140 and is configured to control the direction-changing valve 140 to determine the direction of rotation of the fan 200, that is, the direction-changing valve 140 is controlled by the controller 300 to enable the fan 200 to rotate in the forward direction or in the reverse direction. In detail, the direction changing valve 140 is connected to the motor 102 to control the direction changing valve 140 to adjust the rotation direction of the output shaft of the motor 102 using the controller 300, thereby achieving the adjustment of the rotation direction of the fan 200; the solenoid valve of the present embodiment includes a three-position four-way solenoid valve; in other embodiments, the solenoid valve may be of other types, such as: a two-position four-way solenoid valve, a three-position five-way solenoid valve, etc., which are not further illustrated herein. It should be noted that the specific connection manner of the reversing valve 140 and the motor 102 is similar to that of the related art, and therefore, the detailed description thereof is omitted.
When the cooling device 010 is used, the controller 300 controls the reversing valve 140 to adjust the steering direction of the fan 200, the controller 300 of the cooling device 010 acquires the temperature of each corresponding radiator 412 detected by the temperature sensor 411 of each cooling assembly 410, when at least of the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is higher than a preset value, and when the temperature of the corresponding radiator 412 detected by the other sensor is equal to the preset value, the current of the proportional relief valve 130 is controlled to change, so that the opening of the proportional relief valve 130 is increased, so that the rotating speed of the proportional motor 120 is increased, so as to increase the rotating speed of the fan 200, so that the temperature of the radiators 412 of the cooling mechanism 400 is equal to the preset value, namely, so that the radiators 412 of the cooling mechanism 400 have stable and effective cooling performance, when at least of the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is lower than the preset value, so that the temperature of the radiators 412 is equal to the radiator 412, so that the radiator 130 and the radiator temperature of the proportional relief valve 130 is not decreased, so that the radiator temperature of the radiator 130 is equal to the radiator 400, so that the radiator temperature of the radiator 400 is not detected by the radiator temperature sensor, so that the radiator temperature of the radiator 400 is equal to the radiator temperature of the radiator 412 is equal to the radiator temperature of the radiator 400, so that the radiator temperature of the radiator 400 is equal to the radiator temperature of the radiator 400 is decreased, so that the radiator temperature of the radiator 130 is not decreased, so that the radiator temperature of the radiator 400 is equal to the radiator temperature of the radiator 400 is equal.
To sum up, the embodiment of the present invention provides a cooling device 010 including a variable control mechanism 100, a fan 200, a heat dissipation mechanism 400 and a controller 300, wherein the variable control mechanism 100 is configured to drive the fan 200 connected thereto, so as to dissipate heat of a heat dissipation component 410 of the heat dissipation mechanism 400 by using the fan 200, the heat dissipation mechanism 400 includes at least two heat dissipation components 410, heat dissipation media of the heat dissipation components 410 are different, each heat dissipation component 410 includes a temperature sensor 411 and a heat sink 412, the controller 300 is electrically connected to the temperature sensor 411, the temperature sensor 411 is configured to detect a temperature of the heat sink 412, each heat sink 412 is configured to cool down an engine of a mechanical device such as a rotary drilling rig, the controller 300 is configured to obtain a temperature of each heat sink 412, and control the variable control mechanism 100 to adjust a rotation speed of the fan 200 according to a comparison result between the temperature of each heat sink 412 and a preset value, so can flexibly adjust the rotation speed of the fan 200 according to a comparison between the temperature of each heat sink 412 and the preset value, thereby adjusting the temperature of each heat sink 412, and ensuring that each.
The embodiment also provides rotary drilling rigs (not shown in the figures), which comprise the cooling device 010, wherein the cooling device 010 is used for cooling the engine of the rotary drilling rig, and in detail, the heat dissipation mechanism 400 of the cooling device 010 is used for cooling the engine of the rotary drilling rig.
When the cooling device 010 is used for cooling an engine, the steering valve 140 can be controlled by the controller 300 to adjust the steering direction of the fan 200, then the controller 300 of the cooling device 010 obtains the temperature of each corresponding radiator 412 detected by the temperature sensor 411 of each radiator assembly 410, when at least of the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is higher than a preset value, and when the temperature of the corresponding radiator 412 detected by other sensors is equal to the preset value, the current of the proportional relief valve 130 is controlled to change, so that the opening degree of the proportional relief valve 130 is increased, so that the rotating speed of the quantitative motor 120 is increased, so as to increase the rotating speed of the fan 200, so that the temperatures of the radiator assemblies 410 of the radiator assembly 400 are equal to the preset value, so that each radiator assembly 410 of the radiator assembly 400 can stably and effectively cool the engine of the rotary drilling rig, when at least of the air temperature sensor, the fuel temperature sensor and the coolant temperature sensor detect that the temperatures of the corresponding radiator assemblies 410 are equal to the preset value, and the temperature of the radiator assemblies 120 of the radiator assembly 400 can effectively keep the temperature of the radiator assembly 130 of the rotary drilling rig constant, so that the engine cooling fan 400 is not equal to the temperature of the radiator assembly 400, so that the temperature of the radiator assembly 130 is reduced, even when the temperature of the engine 400 is detected by the radiator assembly 400, the temperature of the radiator assembly 130 is reduced, so that the engine temperature of the radiator assembly 400 is reduced, the engine temperature of the radiator assembly 400 is prevented from being equal to the radiator assembly 400, and the temperature of the radiator assembly 400, so that the engine temperature of the radiator assembly 400 is reduced.
To sum up, the embodiment of the utility model provides a dig rig soon includes foretell cooling device 010, and this cooling device 010 is used for cooling down for digging the engine of rig soon, and the result that the temperature and the default of each radiator 412 that cooling device 010 obtained according to controller 300 contrast is carried out, and the rotational speed of fan 200 is adjusted to control variable control mechanism 100 to the temperature of each radiator 412 of control that can be nimble, thereby guarantee that heat dissipation mechanism 400 can stabilize, cool down effectively for digging the engine of rig soon.
Referring to fig. 3, the present embodiment further provides engine cooling methods for the cooling device 010 or the rotary drilling rig, where the engine cooling method includes:
s100: the temperature of the heat dissipation mechanism 400 is acquired.
, the temperature of the heat dissipation mechanism 400 is obtained by the controller 300.
In detail, the acquiring, by the controller 300, the temperature of the corresponding heat sink 412 detected by the temperature sensor 411 of each heat sink assembly 410 specifically includes: the temperature of the air radiator detected by the air temperature sensor, the temperature of the coolant radiator detected by the coolant temperature sensor, and the temperature of the fuel radiator detected by the fuel temperature sensor.
S201: when the temperature of the heat dissipation mechanism 400 is greater than a preset value, the variable control mechanism 100 is controlled to increase the rotation speed of the fan 200.
, when the temperature of at least radiators 412 in the heat dissipation mechanism 400 is higher than the preset value and the temperature of the other radiators 412 is equal to the preset value, the variable control mechanism 100 is controlled to increase the rotation speed of the fan 200.
In detail, in the present embodiment, when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperature of their corresponding radiator 412 is higher than the preset value, and the temperature of the corresponding radiator 412 detected by the other sensor is equal to the preset value, the current of the proportional relief valve 130 is controlled to change, so that the opening degree of the proportional relief valve 130 is increased, so that the rotation speed of the constant velocity motor 120 is increased to increase the rotation speed of the fan 200, so that the temperatures of the plurality of radiators 412 of the heat radiation mechanism 400 are equal to the preset value.
In other embodiments, the displacement of the variable displacement pump is controlled to increase the rotation speed of the fixed displacement motor 120 to increase the rotation speed of the fan 200 when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is higher than a preset value and the temperature of the corresponding radiator 412 detected by the other sensor is equal to the preset value, or the variable displacement motor is controlled to increase the rotation speed of the fan 200 to increase the rotation speed when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is higher than the preset value and the temperature of the corresponding radiator 412 detected by the other sensor is equal to the preset value.
S202: when the temperature of the heat dissipation mechanism 400 is less than the preset value, the variable control mechanism 100 is controlled to reduce the rotation speed of the fan 200.
, when the temperature of at least radiators 412 in the heat dissipation mechanism 400 is lower than the preset value and the temperature of the other radiators 412 is equal to the preset value, the variable control mechanism 100 is controlled to reduce the rotation speed of the fan 200.
In detail, in the present embodiment, when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperature of their corresponding radiator 412 is lower than the preset value, and the temperature of the corresponding radiator 412 detected by the other sensor is equal to the preset value, the current of the proportional relief valve 130 is controlled to change, so that the opening degree of the proportional relief valve 130 is reduced, so that the rotation speed of the fixed-displacement motor 120 is reduced, so as to reduce the rotation speed of the fan 200, and the rotation speed is reduced, so that the temperatures of the plurality of radiators 412 of the heat radiation mechanism 400 are equal to the preset value.
In other embodiments, when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is lower than a predetermined value, and the other sensor detects that the temperature of the corresponding radiator 412 is equal to the predetermined value, the displacement of the variable displacement pump is controlled to decrease the rotational speed of the fixed displacement motor 120 to decrease the rotational speed of the fan 200 to decrease the rotational speed, or when at least of the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperature of the corresponding radiator 412 is lower than the predetermined value, and the other sensor detects that the temperature of the corresponding radiator 412 is equal to the predetermined value, the variable displacement motor is controlled to decrease the rotational speed of the fan 200 to decrease the rotational speed.
S203: when the temperature of the heat dissipation mechanism 400 is equal to the preset value, the variable control mechanism 100 is controlled to keep the rotation speed of the fan 200 constant.
, when the radiators 412 of the heat dissipation mechanism 400 are equal to the preset value, the variable control mechanism 100 is controlled to keep the rotation speed of the fan 200 constant.
In detail, in this embodiment, when the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperatures of the corresponding radiators 412 are equal to the preset values, the current of the proportional relief valve 130 is controlled to be kept constant, so that the opening of the proportional relief valve 130 is kept constant, the rotation speeds of the constant flow motor 120 and the fan 200 are kept constant, and the rotation speeds are kept constant.
In other embodiments, when the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperatures of the corresponding radiators 412 are equal to the preset values, the displacement of the variable displacement pump is controlled to be constant, so that the rotational speeds of the quantitative motor 120 and the fan 200 are constant, and the rotational speeds are constant; alternatively, when the air temperature sensor, the fuel temperature sensor, and the coolant temperature sensor detect that the temperatures of the corresponding radiators 412 are equal to the preset values, the rotational speed of the variable displacement motor is controlled to be constant, so that the rotational speed of the fan 200 is constant, and the rotational speed is kept constant.
Referring to fig. 4, when the cooling device 010 cools down the engine of the mechanical equipment such as the rotary drilling rig, the controller 300 may first control the reversing valve 140 to adjust the rotation direction of the output shaft of the motor 102 to determine the rotation direction of the fan 200.
According to the engine cooling method of the embodiment, the variable control mechanism 100 can be controlled to adjust the rotating speed of the fan 200 according to the comparison result between the temperature of the corresponding radiator 412 detected by each temperature sensor 411 and the preset value, which is acquired by the controller 300, so as to flexibly adjust the rotating speed of the fan 200 according to the temperature of each radiator 412 of the radiating mechanism 400, so that each radiator 412 can keep stable and effective cooling performance, thereby providing effective cooling for the engine of mechanical equipment such as a rotary drilling rig and the like, and avoiding adverse effects on the engine of the rotary drilling rig.
To sum up, the embodiment of the present invention provides an engine cooling method for the cooling device 010 or the rotary drilling rig, which can control the variable control mechanism 100 to adjust the rotation speed of the fan 200 according to the temperature of each radiator 412 obtained by the controller 300 and the comparison result of the preset value, so that the heat dissipation mechanism 400 keeps stable and effective cooling performance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1, cooling devices, which is characterized by comprising a variable control mechanism (100), a fan (200), a heat dissipation mechanism (400) and a controller (300), wherein the variable control mechanism (100) is connected with the fan (200) and used for driving the fan (200) to rotate so as to enable the heat dissipation mechanism (400) to dissipate heat, the variable control mechanism (100) and the heat dissipation mechanism (400) are electrically connected with the controller (300),
the heat dissipation mechanism (400) comprises at least two heat dissipation assemblies (410), the heat dissipation media of the heat dissipation assemblies (410) are different, each heat dissipation assembly comprises a temperature sensor (411) and a heat sink (412), the controller (300) is electrically connected with the temperature sensor (411), and the temperature sensor (411) is used for detecting the temperature of the heat sink (412); the controller (300) is used for acquiring the temperature of each radiator (412), and controlling the variable control mechanism (100) to adjust the rotating speed of the fan (200) according to the comparison result of the temperature of each radiator (412) and a preset value.
2. A cooling arrangement according to claim 1, characterized in that the heat sink mechanism (400) comprises three heat sink assemblies (410).
3. A cooling device according to claim 2, wherein the three heat dissipating components (410) are an air heat dissipating component, a fuel heat dissipating component and a coolant heat dissipating component, respectively.
4. The cooling device according to claim 1, wherein the variable control mechanism (100) comprises a hydraulic pump (101) and a motor (102) connected with each other, and the fan (200) is fixedly sleeved on an output shaft of the motor (102); the controller (300) is used for controlling the motor (102) to adjust the rotating speed of the fan (200).
5. The cooling device according to claim 1, wherein the variable control mechanism (100) includes a fixed displacement pump (110), a fixed displacement motor (120), and a proportional relief valve (130) provided between the fixed displacement pump (110) and the fixed displacement motor (120); the fan (200) is in transmission connection with an output shaft of the quantitative motor (120); the controller (300) is electrically connected with the proportional overflow valve (130) and is used for adjusting the opening and closing of the proportional overflow valve (130) so as to control the quantitative motor (120) to adjust the rotating speed of the fan (200).
6. The cooling device according to claim 1, wherein the variable control mechanism (100) comprises a variable pump and a fixed-displacement motor (120) connected with each other, and the fan (200) is in transmission connection with an output shaft of the fixed-displacement motor (120); the controller (300) is electrically connected with the variable pump and is used for controlling the variable pump to drive the quantitative motor (120) to adjust the rotating speed of the fan (200).
7. The cooling device according to claim 1, wherein the variable control mechanism (100) comprises a fixed displacement pump (110) and a variable displacement motor which are connected with each other, and the fan (200) is in transmission connection with an output shaft of the variable displacement motor; the controller (300) is electrically connected with the variable motor and is used for controlling the variable motor to adjust the rotating speed of the fan (200).
8. The cooling apparatus of any of claims 1-7, wherein the variable control mechanism (100) further comprises a direction valve (140), the controller (300) being electrically connected to the direction valve (140) for controlling the direction valve (140) to determine the direction of rotation of the fan (200).
9. The cooling arrangement as recited in claim 8, characterized in that the reversing valve (140) comprises a three-position, four-way solenoid valve.
10, rotary drilling rig, characterized in that, it includes the cooling device of any of claims 1-9, the cooling device is used for cooling down the engine of the rotary drilling rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992440.8U CN210003377U (en) | 2019-06-27 | 2019-06-27 | Cooling device and rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992440.8U CN210003377U (en) | 2019-06-27 | 2019-06-27 | Cooling device and rotary drilling rig |
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| CN210003377U true CN210003377U (en) | 2020-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159409A (en) * | 2019-06-27 | 2019-08-23 | 北京三一智造科技有限公司 | Cooling device, rotary drilling rig and engine cooling method |
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2019
- 2019-06-27 CN CN201920992440.8U patent/CN210003377U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159409A (en) * | 2019-06-27 | 2019-08-23 | 北京三一智造科技有限公司 | Cooling device, rotary drilling rig and engine cooling method |
| CN110159409B (en) * | 2019-06-27 | 2023-11-17 | 北京三一智造科技有限公司 | Cooling device, rotary drilling rig and engine cooling method |
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