CN110159409A - Cooling device, rotary drilling rig and engine cooling method - Google Patents
Cooling device, rotary drilling rig and engine cooling method Download PDFInfo
- Publication number
- CN110159409A CN110159409A CN201910573524.2A CN201910573524A CN110159409A CN 110159409 A CN110159409 A CN 110159409A CN 201910573524 A CN201910573524 A CN 201910573524A CN 110159409 A CN110159409 A CN 110159409A
- Authority
- CN
- China
- Prior art keywords
- temperature
- fan
- cooling
- radiator
- preset value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 175
- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 133
- 238000006073 displacement reaction Methods 0.000 claims description 62
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 description 30
- 239000000446 fuel Substances 0.000 description 30
- 239000000295 fuel oil Substances 0.000 description 12
- 239000002826 coolant Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/026—Thermostatic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/50—Temperature using two or more temperature sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/52—Heat exchanger temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention relates to technical field of engineering machinery, in particular to cooling device, rotary drilling rig and engine cooling method;The cooling device includes variable control mechanism, fan, cooling mechanism and controller, and variable control mechanism is connect with fan, is rotated for driving fan so that cooling mechanism radiates;Variable control mechanism and cooling mechanism are electrically connected with the controller;Wherein, cooling mechanism includes at least two radiating subassemblies, and each radiating subassembly includes temperature sensor and radiator, and controller is electrically connected with temperature sensor, and temperature sensor is used to detect the temperature of radiator;Controller is used to obtain the temperature of each radiator, according to the comparing result of the temperature of each radiator and preset value, controls the revolving speed that variable control mechanism adjusts fan;Cooling device, rotary drilling rig and engine cooling method of the invention can adjust rotation speed of the fan, so that each radiator all has good cooling performance flexibly according to the temperature of each radiator.
Description
Technical field
The present invention relates to technical field of engineering machinery, in particular to cooling device, rotary drilling rig and engine cool
Method.
Background technique
The rotary drilling rig engine that the relevant technologies provide is mostly diesel engine, and used cooling system includes cooling
Liquid radiating subassembly, air radiating subassembly and fuel oil radiating subassembly, above three radiating subassembly usually provide cooling by a fan
Air is cooled down, however when the radiating subassembly of three kinds of different heat eliminating mediums is used for engine radiating, there are different heat radiation energies
Power, and in heat dissipation, the temperature of each radiating subassembly itself is different, and then needs the fan of different rotating speeds that can guarantee to each
A radiating subassembly is effectively radiated, but the relevant technologies are difficult to ensure stable cooling engine.
Summary of the invention
The purpose of the present invention is to provide a kind of cooling device, rotary drilling rig and engine cooling methods, being capable of basis
The temperature of each radiator adjusts the revolving speed of fan in cooling mechanism, so that the cooling effect of the cooling device is improved, to rotation
The engine for digging drilling machine provides more stable cooling.
The embodiment of the present invention is achieved in that
A kind of cooling device comprising variable control mechanism, fan, cooling mechanism and controller, variable control mechanism with
Fan connection is rotated for driving fan so that cooling mechanism radiates;Variable control mechanism and cooling mechanism are electric with controller
Connection;Wherein, cooling mechanism includes at least two radiating subassemblies, and the heat eliminating medium of each radiating subassembly is all different, each
Radiating subassembly includes temperature sensor and radiator, and controller is electrically connected with temperature sensor, and temperature sensor is for detecting
The temperature of radiator;Controller is used to obtain the temperature of each radiator, and according to the temperature of each radiator and preset value
Comparing result, control variable control mechanism adjust the revolving speed of fan.
Optionally, controller is specifically configured to detect that the temperature of its corresponding radiator is high when at least one sensor
In preset value, and when other sensor detects that the temperature of its corresponding radiator is equal to preset value, Variable Control machine is controlled
The revolving speed of structure increase fan.
Optionally, control implement body is additionally configured to detect the temperature of its corresponding radiator when at least one sensor
Lower than preset value, and when other sensor detects that the temperature of its corresponding radiator is equal to preset value, Variable Control is controlled
The revolving speed of mechanism reduction fan.
Optionally, control implement body is additionally configured to detect that the temperature of radiator is equal to preset value when each sensor
When, control variable control mechanism keeps the revolving speed of fan constant.
Optionally, variable control mechanism includes constant displacement pump, fixed displacement motor and is set between constant displacement pump and fixed displacement motor
Proportional pressure control valve;The transmission connection of the output shaft of fan and fixed displacement motor;Controller is electrically connected with proportional pressure control valve, for adjusting ratio
The opening and closing of example overflow valve, to control the revolving speed that fixed displacement motor adjusts fan.
Optionally, variable control mechanism includes variable pump and fixed displacement motor interconnected, fan and fixed displacement motor it is defeated
Shaft transmission connection;Controller is electrically connected with variable pump, and the revolving speed of fan is adjusted for controlling variable pump driving fixed displacement motor.
Optionally, variable control mechanism includes constant displacement pump and variable displacement motor interconnected, fan and variable displacement motor it is defeated
Shaft transmission connection;Controller is electrically connected with variable displacement motor, and the revolving speed of fan is adjusted for controlling variable displacement motor.
Optionally, variable control mechanism further includes reversal valve, and controller is electrically connected with reversal valve, true for controlling reversal valve
Determine the steering of fan.
A kind of rotary drilling rig, above-mentioned cooling device, cooling device are used for the engine cooling of rotary drilling rig.
A kind of engine cooling method, for above-mentioned cooling device or rotary drilling rig, which includes:
Obtain the temperature of cooling mechanism;When the temperature of cooling mechanism is greater than preset value, control variable control mechanism increases turning for fan
Speed;When the temperature of cooling mechanism is less than preset value, control variable control mechanism reduces the revolving speed of fan;When the temperature of cooling mechanism
When degree is equal to preset value, control variable control mechanism keeps the revolving speed of fan constant.
The beneficial effect of the cooling device of the embodiment of the present invention includes: that cooling device provided in an embodiment of the present invention includes becoming
Control mechanism, fan, cooling mechanism and controller are measured, variable control mechanism is for driving fan connected to it, to utilize
Fan radiates to the radiating subassembly of cooling mechanism, wherein cooling mechanism includes at least two radiating subassemblies, each radiating subassembly
Heat eliminating medium is all different, and each radiating subassembly includes temperature sensor and radiator, and controller is electrically connected with temperature sensor
It connects, temperature sensor is used to detect the temperature of radiator, and each radiator is used to start to mechanical equipments such as rotary drilling rigs
Machine cooling;Controller is used to obtain the temperature of each radiator, and according to the temperature of each radiator and preset value comparing result,
The revolving speed for controlling variable control mechanism adjusting fan so can be flexibly according between each radiator and preset value
Temperature comparisons, adjust the revolving speed of fan, to adjust the temperature of each radiator, have to guarantee each radiator all steady
Fixed, effectively cooling capacity.
The beneficial effect of the rotary drilling rig of the embodiment of the present invention includes: that rotary drilling rig provided in an embodiment of the present invention includes upper
The cooling device stated, the cooling device are used for the engine cooling of rotary drilling rig, and cooling device is got according to controller
It is that the temperature and preset value of each radiator compare as a result, control variable control mechanism adjust fan revolving speed, so as to
Enough temperature for flexibly controlling each radiator, thus guarantee cooling mechanism can carry out stablizing to the engine of rotary drilling rig,
Effectively cool down.
The beneficial effect of the engine cooling method of the embodiment of the present invention includes: that engine provided in an embodiment of the present invention is cold
But method is used for above-mentioned cooling device or rotary drilling rig, the temperature for each radiator that can be got according to controller and pre-
If the comparing result of value, control variable control mechanism adjusts the revolving speed of fan, so that cooling mechanism holding is stablized, effectively
Cooling performance.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural block diagram one of cooling device in the embodiment of the present invention;
Fig. 2 is the structural block diagram two of cooling device in the embodiment of the present invention;
Fig. 3 is the flow chart one of engine cooling method in the embodiment of the present invention;
Fig. 4 is the flowchart 2 of engine cooling method in the embodiment of the present invention.
Icon: 010- cooling device;100- variable control mechanism;200- fan;300- controller;400- cooling mechanism;
410- radiating subassembly;411- temperature sensor;412- radiator;110- constant displacement pump;120- fixed displacement motor;130- proportional overflow
Valve;101- hydraulic pump;102- motor;140- reversal valve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.It should also be noted that similar label and letter are in following attached drawing
Indicate similar terms, therefore, once be defined in a certain Xiang Yi attached drawing, then do not need to carry out it in subsequent attached drawing into
The definition of one step and explanation.
In the description of the embodiment of the present invention, it should be noted that the term of the orientation or positional relationship of instruction be based on
Orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, be only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term
" setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Fig. 1 is please referred to, the present embodiment provides a kind of cooling devices 010, are used to the mechanical equipments such as rotary drilling rig
Engine cooling.
Referring to Fig.1 and 2, the cooling device 010 of the present embodiment includes variable control mechanism 100, fan 200, heat dissipation
Mechanism 400 and controller 300, variable control mechanism 100 are connect with fan 200, are rotated for driving fan 200 so that the machine that radiates
Structure 400 radiates;Variable control mechanism 100 and cooling mechanism 400 are electrically connected with controller 300;Wherein, cooling mechanism 400 wraps
At least two radiating subassemblies 410 are included, and the heat eliminating medium of each radiating subassembly 410 is all different, each radiating subassembly 410 wraps
Temperature sensor 411 and radiator 412 are included, controller 300 is electrically connected with temperature sensor 411, and temperature sensor 411 is for examining
Survey the temperature of radiator 412;Controller 300 is used to obtain the temperature of each radiator 412, and according to each radiator 412
The comparing result of temperature and preset value, control variable control mechanism 100 adjust the revolving speed of fan 200.It should be noted that above-mentioned
Each radiator 412 of cooling mechanism 400 is used to the engine cooling of the mechanical equipments such as rotary drilling rig.
The controller 300 of the cooling device 010 of the present embodiment, will be each after the temperature for getting each radiator 412
The temperature and preset value of radiator 412 are compared, so as to according to the temperature of radiator 412 compared with preset value knot
Fruit, control variable control mechanism 100 adjust the revolving speed of fan 200, to adjust the revolving speed of fan 200, flexibly with neatly
The temperature for adjusting cooling mechanism 400 enables each radiator 412 of cooling mechanism 400 to have and stablizes, effectively cools down energy
Power.
It should be noted that above-mentioned preset value, which can be, carries out starting for cooling mechanical equipment with the cooling device 010
Machine critical high temperature in normal work or each radiator 412 can be to the stagnation temperatures of the engine cooling of mechanical equipment
Degree;Further, above-mentioned preset value can be one section of temperature range or a temperature point value, such as: preset value can be
35-40 DEG C, 35-45 DEG C or 40 DEG C etc.;The temperature of above-mentioned radiator 412 is equal to preset value, can be the temperature of radiator 412
Equal to the point value of preset value, or fall in preset value segment.
Further, the controller 300 of the present embodiment is used to obtain that each temperature sensor 411 to detect corresponding dissipates
The temperature value of hot device 412, controller 300 are specifically configured to detect its corresponding radiator 412 when at least one sensor
Temperature be higher than preset value, and other sensor detect its corresponding radiator 412 temperature be equal to preset value when, control
The revolving speed of the increase fan 200 of variable control mechanism 100;Controller 300 is specifically additionally configured to detect when at least one sensor
Temperature to its corresponding radiator 412 is lower than preset value, and other sensor detects the temperature of its corresponding radiator 412
When degree is equal to preset value, control variable control mechanism 100 reduces the revolving speed of fan 200;Controller 300 specifically is additionally configured to work as
When each sensor detects that the temperature of radiator 412 is equal to preset value, control variable control mechanism 100 keeps fan 200
Revolving speed is constant.Configured in this way, it can use controller 300 and control the revolving speed that variable control mechanism 100 adjusts fan 200, with spirit
The living temperature for adjusting each radiator 412 in cooling mechanism 400 so that multiple radiators 412 be able to maintain it is stable, effectively
Cooling effect.
Further, the cooling mechanism 400 of the present embodiment includes that air radiating subassembly, fuel oil radiating subassembly and coolant liquid dissipate
Hot component, above-mentioned air radiating subassembly, fuel oil radiating subassembly and coolant liquid radiating subassembly could be used for mechanical to rotary drilling rig etc.
The engine cooling of equipment.
Still further, the air radiating subassembly of the present embodiment includes air temperature sensor and air radiator, fuel oil
Radiating subassembly includes fuel temperature sensor and fuel oil radiator, and coolant liquid radiating subassembly includes cooling-water temperature transmitter and cold
But liquid radiator;Above-mentioned air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter are electric with controller 300
Connection, and air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter be respectively used to detection air radiator,
The temperature of fuel oil radiator and cooling water radiator, and the temperature that will test passes to controller 300.
It should be noted that above-mentioned air temperature sensor, fuel temperature sensor, cooling-water temperature transmitter, air
Radiator, the structure of fuel oil radiator and cooling water radiator and working principle are similar with the relevant technologies, and details are not described herein.
In other embodiments, air radiating subassembly can also include middle cold heat sink and air temperature sensor.At it
In his embodiment, cooling mechanism 400 may include air radiating subassembly and fuel oil radiating subassembly or fuel oil radiating subassembly and cooling
Liquid radiating subassembly or air radiating subassembly and coolant liquid radiating subassembly.
Further, Fig. 1 is please referred to, the variable control mechanism 100 of the present embodiment includes 101 He of hydraulic pump interconnected
Motor 102,200 fixing sleeve of fan are set to the output shaft of motor 102;Controller 300 adjusts fan 200 for controlling motor 102
Revolving speed;In detail, when the revolving speed of the output shaft of motor 102 increases, the revolving speed of fan 200 increases, and to increase speed, works as horse
When reducing up to the revolving speed of 102 output shaft, the revolving speed of fan 200 reduces, to reduce revolving speed.Above-mentioned hydraulic pump 101 is for providing
High pressure oil is to motor 102, so that driving fan 200 rotates.
It should be noted that cooling device 010 provided in this embodiment give rotary drilling rig engine cooling when, due to
Fan 200 is not to be set in the shaft of engine, therefore can be fan 200 and the cooling of cooling mechanism 400 is not sent out
The influence of motivation shaft rotation.
In detail, referring to figure 2., the variable control mechanism 100 of the present embodiment includes constant displacement pump 110,120 and of fixed displacement motor
The proportional pressure control valve 130 being set between constant displacement pump 110 and fixed displacement motor 120;The output shaft of fan 200 and fixed displacement motor 120
Transmission connection;Controller 300 is electrically connected with proportional pressure control valve 130, fixed to control for adjusting the opening and closing of proportional pressure control valve 130
Measure the revolving speed that motor 120 adjusts fan 200;I.e. above-mentioned hydraulic pump 101 includes constant displacement pump 110, and said motor 102 includes quantitative horse
Up to 120.In detail, when at least one of air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter are examined
The temperature for measuring its corresponding radiator 412 is higher than preset value, and the corresponding radiator 412 that other sensor detects
When temperature is equal to preset value, the electric current of control proportional pressure control valve 130 changes, thus the aperture of scaling up overflow valve 130, thus
The revolving speed for increasing fixed displacement motor 120 is increased speed with improving the revolving speed of fan 200, so that multiple heat dissipations of cooling mechanism 400
The temperature of device 412 is equal to preset value;When in air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter
At least one detect the temperature of its corresponding radiator 412 lower than preset value, and other sensor detect it is corresponding
When the temperature of radiator 412 is equal to preset value, the electric current of control proportional pressure control valve 130 changes, to reduce proportional pressure control valve 130
Aperture to reduce the revolving speed of fan 200, reduce revolving speed, so that cooling mechanism 400 to reduce the revolving speed of fixed displacement motor 120
The temperature of multiple radiators 412 be equal to preset value;When air temperature sensor, fuel temperature sensor and coolant temperature
When sensor detects that the temperature of corresponding radiator 412 is equal to preset value, then the electric current for controlling proportional pressure control valve 130 is kept
Constant, so that the aperture of proportional pressure control valve 130 be made to remain unchanged, the revolving speed of fixed displacement motor 120 and fan 200 is constant, and revolving speed is protected
It holds constant.
It should be noted that in above-mentioned air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter
The temperature of at least one corresponding radiator 412 detected is higher or lower than preset value, and other sensor detects
Corresponding radiator 412 temperature be equal to preset value include: air temperature sensor, fuel temperature sensor and coolant liquid temperature
Any one in degree sensor detects that the temperature of corresponding radiator 412 is higher or lower than preset value, air themperature sensing
Any two detect that the temperature of corresponding radiator 412 is higher than in device, fuel temperature sensor and cooling-water temperature transmitter
Or detected lower than preset value and air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter three
The temperature of corresponding radiator 412 be above or lower than preset value three kinds of situations.
In other embodiments, Fig. 1 is please referred to, variable control mechanism 100 includes variable pump interconnected and quantitative horse
Up to 120, fan 200 and the output shaft of fixed displacement motor 120 are sequentially connected;Controller 300 is electrically connected with variable pump, is become for controlling
Amount pump driving fixed displacement motor 120 adjusts the revolving speed of fan 200, i.e. hydraulic pump 101 can also include variable pump;In detail, work as sky
At least one of gas temperature sensor, fuel temperature sensor and cooling-water temperature transmitter detect its corresponding radiator
412 temperature be higher than preset value, and the temperature for the corresponding radiator 412 that other sensor detects be equal to preset value when,
The discharge capacity for controlling variable pump increases, to increase the revolving speed of fixed displacement motor 120, to improve the revolving speed of fan 200, increases speed,
So that the temperature of multiple radiators 412 of cooling mechanism 400 is equal to preset value;When air temperature sensor, fuel oil temperature pass
At least one of sensor and cooling-water temperature transmitter detect that the temperature of its corresponding radiator 412 is lower than preset value, and
When the temperature for the corresponding radiator 412 that other sensor detects is equal to preset value, the discharge capacity for controlling variable pump reduces, from
And reduce the revolving speed of fixed displacement motor 120, to reduce the revolving speed of fan 200, reduce revolving speed, so that the multiple of cooling mechanism 400 dissipate
The temperature of hot device 412 is equal to preset value;When air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter are examined
When measuring the temperature of corresponding radiator 412 and being equal to preset value, then the discharge capacity for controlling variable pump remains unchanged, so that quantitative horse
Revolving speed up to 120 and fan 200 is constant, and revolving speed remains unchanged.
In other embodiments, Fig. 1 is please referred to, variable control mechanism 100 includes constant displacement pump 110 interconnected and variable
The output shaft of motor, fan 200 and variable displacement motor is sequentially connected;Controller 300 is electrically connected with variable displacement motor, for controlling variable
The revolving speed of motor adjusting fan 200;I.e. motor 102 can also include variable displacement motor;In detail, when air temperature sensor, combustion
It is pre- that at least one of oil temperature sensor and cooling-water temperature transmitter detect that the temperature of its corresponding radiator 412 is higher than
If value, and the temperature for the corresponding radiator 412 that other sensor detects be equal to preset value when, control variable displacement motor increase
Revolving speed is increased speed with improving the revolving speed of fan 200, so that the temperature of multiple radiators 412 of cooling mechanism 400 is equal to
Preset value;When at least one of air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter detect it
The temperature of corresponding radiator 412 is lower than preset value, and the temperature etc. for the corresponding radiator 412 that other sensor detects
When preset value, control variable displacement motor reduces revolving speed, to reduce the revolving speed of fan 200, reduces revolving speed, so that cooling mechanism 400
The temperature of multiple radiators 412 be equal to preset value;When air temperature sensor, fuel temperature sensor and coolant temperature
When sensor detects that the temperature of corresponding radiator 412 is equal to preset value, then the revolving speed for controlling variable displacement motor remains unchanged,
To keep the revolving speed of fan 200 constant, revolving speed is remained unchanged.
Referring to figure 2., the variable control mechanism 100 of the present embodiment further includes reversal valve 140, controller 300 and reversal valve
140 electrical connections determine the steering of fan 200 for controlling reversal valve 140, i.e., controlling reversal valve 140 by controller 300 can be with
Fan 200 is set to rotate forward or invert.In detail, reversal valve 140 is connect with motor 102, to control reversal valve using controller 300
140 adjust the steering of the output shaft of motor 102, to realize the steering for adjusting fan 200;The solenoid valve of the present embodiment includes three
Position four-way solenoid valve;In other embodiments, solenoid valve can also be other models, such as: two-position four-way solenoid valve, three
Five-way electromagnetic valve etc., no longer enumerated here.It should be noted that reversal valve 140 and the specific connection type of motor 102 and related
Technology is similar, and details are not described herein.
The cooling mechanism 400 of the cooling device 010 of the present embodiment can be used for the cooling to the engine cooling of rotary drilling rig
Device 010 when in use, first controls the steering that reversal valve 140 adjusts fan 200 with controller 300, then by cooling device 010
Controller 300 obtain the temperature of corresponding each radiator 412 that the temperature sensor 411 of each radiating subassembly 410 detects
Degree, when at least one of air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter detect its correspondence
The temperature of radiator 412 be higher than preset value, and the temperature for the corresponding radiator 412 that other sensor detects be equal to it is pre-
If when value, the electric current of control proportional pressure control valve 130 changes, thus the aperture of scaling up overflow valve 130, to increase quantitative horse
Increased speed up to 120 revolving speed with improving the revolving speed of fan 200, so that the temperature of multiple radiators 412 of cooling mechanism 400
It is equal to preset value, that is, ensures that each radiator 412 of cooling mechanism 400 all has stable, effective cooling performance;Work as air
At least one of temperature sensor, fuel temperature sensor and cooling-water temperature transmitter detect its corresponding radiator
412 temperature be lower than preset value, and the temperature for the corresponding radiator 412 that other sensor detects be equal to preset value when,
The electric current for controlling proportional pressure control valve 130 changes, to reduce the aperture of proportional pressure control valve 130, to reduce fixed displacement motor 120
Revolving speed reduces revolving speed, so that the temperature of multiple radiators 412 of cooling mechanism 400 is equal to reduce the revolving speed of fan 200
Preset value ensures that each radiator 412 of cooling mechanism 400 all has stable, effective cooling performance;When air themperature passes
Sensor, fuel temperature sensor and cooling-water temperature transmitter detect that the temperature of corresponding radiator 412 is equal to preset value
When, then the electric current for controlling proportional pressure control valve 130 remains unchanged, so that the aperture of proportional pressure control valve 130 is remained unchanged, quantitative horse
Revolving speed up to 120 and fan 200 is constant, and revolving speed remains unchanged, that is, ensures that each radiator 412 of cooling mechanism 400 is kept
Stable, effective cooling performance.
In conclusion cooling device 010 provided in an embodiment of the present invention includes variable control mechanism 100, fan 200, dissipates
Heat engine structure 400 and controller 300, variable control mechanism 100 is for driving fan 200 connected to it, to utilize fan 200
It radiates to the radiating subassembly 410 of cooling mechanism 400, wherein cooling mechanism 400 includes at least two radiating subassemblies 410, each to dissipate
The heat eliminating medium of hot component 410 is all different, and each radiating subassembly 410 includes temperature sensor 411 and radiator 412, control
Device 300 processed is electrically connected with temperature sensor 411, and temperature sensor 411 is used to detect the temperature of radiator 412, each radiator
412 are used to the engine cooling of the mechanical equipments such as rotary drilling rig;Controller 300 is used to obtain the temperature of each radiator 412
Degree, and according to the temperature and preset value comparing result of each radiator 412, it controls variable control mechanism 100 and adjusts fan 200
Revolving speed so can adjust fan 200 flexibly according to the temperature comparisons between each radiator 412 and preset value
Revolving speed has stabilization to guarantee each radiator 412 all, effectively cools down energy to adjust the temperature of each radiator 412
Power.
The present embodiment also provides a kind of rotary drilling rig (not shown go out) comprising above-mentioned cooling device 010, cooling device
010 for the engine cooling to rotary drilling rig;In detail, the cooling mechanism 400 of cooling device 010 is used for rotary drilling rig
Engine cooling.
The rotary drilling rig can first pass through the control of controller 300 and change when giving engine cooling using the cooling device 010
The steering that fan 200 is adjusted to valve 140, is then obtained the temperature of each radiating subassembly 410 by the controller 300 of cooling device 010
The temperature for corresponding each radiator 412 that degree sensor 411 detects, when air temperature sensor, fuel temperature sensor
Detect that the temperature of its corresponding radiator 412 is higher than preset value at least one of cooling-water temperature transmitter, and in addition
The temperature of corresponding radiator 412 that detects of sensor when being equal to preset value, the electric current of control proportional pressure control valve 130 changes
Become, thus the aperture of scaling up overflow valve 130, thus increase the revolving speed of fixed displacement motor 120, to improve the revolving speed of fan 200,
Increase speed, so that the temperature of multiple radiating subassemblies 410 of cooling mechanism 400 is equal to preset value, i.e., so that cooling mechanism 400
Each radiating subassembly 410 can stablize, effectively give rotary drilling rig engine cooling;When air temperature sensor, fuel oil temperature
Degree at least one of sensor and cooling-water temperature transmitter detect the temperature of its corresponding radiator 412 lower than default
Value, and the temperature for the corresponding radiator 412 that other sensor detects be equal to preset value when, control proportional pressure control valve 130
Electric current change, to reduce the aperture of proportional pressure control valve 130, to reduce the revolving speed of fixed displacement motor 120, to reduce fan
200 revolving speed reduces revolving speed so that the temperature of multiple radiating subassemblies 410 of cooling mechanism 400 is equal to preset value, i.e., so that
Each radiating subassembly 410 of cooling mechanism 400 can be stablized, effectively to the engine cooling of rotary drilling rig;When air themperature passes
Sensor, fuel temperature sensor and cooling-water temperature transmitter detect that the temperature of corresponding radiator 412 is equal to preset value
When, then the electric current for controlling proportional pressure control valve 130 remains unchanged, so that the aperture of proportional pressure control valve 130 is remained unchanged, quantitative horse
Revolving speed up to 120 and fan 200 is constant, and revolving speed remains unchanged, i.e., so that each radiating subassembly 410 of cooling mechanism 400 is to rotation
It digs the engine stabilizer of drilling machine, effectively cool down;Cooling device 010 through this embodiment gives the engine cooling of rotary drilling rig
It can flexibly adjust to the temperature of the cooling mechanism 400 of engine cooling, to avoid the waste of cooling capacity, additionally it is possible to keep away
Exempt from cooling Power deficiency, avoids causing adverse effect to engine.
In conclusion rotary drilling rig provided in an embodiment of the present invention includes above-mentioned cooling device 010, the cooling device
010 for the engine cooling to rotary drilling rig, each radiator 412 that cooling device 010 is got according to controller 300
It is that temperature and preset value compare as a result, control variable control mechanism 100 adjust fan 200 revolving speed, so as to flexible
The each radiator 412 of control temperature, thus guarantee cooling mechanism 400 can carry out stablizing to the engine of rotary drilling rig,
Effectively cool down.
Referring to figure 3., the present embodiment also provides a kind of engine cooling method, for above-mentioned cooling device 010 or rotation
Drilling machine is dug, which includes:
S100: the temperature of cooling mechanism 400 is obtained.
Further, the temperature of cooling mechanism 400 is obtained by controller 300.
In detail, controller 300 obtains the corresponding heat dissipation that the temperature sensor 411 of each radiating subassembly 410 detects
The temperature of device 412, specifically includes: the temperature for the air radiator that air temperature sensor detects, cooling-water temperature transmitter
The temperature for the fuel oil radiator that the temperature and fuel temperature sensor of the cooling water radiator detected detect.
S201: when the temperature of cooling mechanism 400 is greater than preset value, control variable control mechanism 100 increases fan 200
Revolving speed.
Further, when the temperature of at least one radiator 412 in cooling mechanism 400 is higher than preset value, and other
When the temperature of radiator 412 is equal to preset value, control variable control mechanism 100 increases the revolving speed of fan 200.
In detail, in the present embodiment, when in air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter
At least one detect that the temperature of its corresponding radiator 412 is higher than preset value, and the correspondence that other sensor detects
Radiator 412 temperature be equal to preset value when, control proportional pressure control valve 130 electric current change, thus scaling up overflow valve
130 aperture to improve the revolving speed of fan 200, increases speed, to increase the revolving speed of fixed displacement motor 120 so that cooling mechanism
The temperature of 400 multiple radiators 412 is equal to preset value.
In other embodiments, when in air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter
At least one detect its corresponding radiator 412 temperature be higher than preset value, and other sensor detect it is corresponding
When the temperature of radiator 412 is equal to preset value, the discharge capacity for controlling variable pump increases, thus increase the revolving speed of fixed displacement motor 120, with
The revolving speed for improving fan 200, increases speed;Alternatively, when air temperature sensor, fuel temperature sensor and coolant temperature pass
At least one of sensor detects that the temperature of its corresponding radiator 412 is higher than preset value, and other sensor detects
Corresponding radiator 412 temperature be equal to preset value when, control variable displacement motor increase speed, to improve the revolving speed of fan 200,
Increase speed.
S202: when the temperature of cooling mechanism 400 is less than preset value, control variable control mechanism 100 reduces fan 200
Revolving speed.
Further, when the temperature of at least one radiator 412 in cooling mechanism 400 is lower than preset value, and other
When the temperature of radiator 412 is equal to preset value, control variable control mechanism 100 reduces the revolving speed of fan 200.
In detail, in the present embodiment, when air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter
At least one of detect the temperature of its corresponding radiator 412 lower than preset value, and pair that other sensor detects
When the temperature for the radiator 412 answered is equal to preset value, the electric current of control proportional pressure control valve 130 changes, to reduce proportional overflow
The aperture of valve 130, to reduce the revolving speed of fan 200, reduces revolving speed to reduce the revolving speed of fixed displacement motor 120, so that heat dissipation machine
The temperature of multiple radiators 412 of structure 400 is equal to preset value.
In other embodiments in, when in air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter
At least one detect the temperature of its corresponding radiator 412 lower than preset value, and the correspondence that other sensor detects
The temperature of radiator 412 when being equal to preset value, the discharge capacity for controlling variable pump reduces, to reduce the revolving speed of fixed displacement motor 120,
To reduce the revolving speed of fan 200, reduce revolving speed;Alternatively, working as air temperature sensor, fuel temperature sensor and coolant temperature
At least one of sensor detects that the temperature of its corresponding radiator 412 is lower than preset value, and other sensor detects
When the temperature of the corresponding radiator 412 arrived is equal to preset value, control variable displacement motor reduces revolving speed, to reduce turning for fan 200
Speed reduces revolving speed.
S203: when the temperature of cooling mechanism 400 is equal to preset value, control variable control mechanism 100 keeps fan 200
Revolving speed is constant.
Further, when each radiator 412 of cooling mechanism 400 is equal to preset value, variable control mechanism is controlled
100 keep the revolving speed of fan 200 constant.
In detail, in the present embodiment, when air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter are examined
When measuring the temperature of corresponding radiator 412 and being equal to preset value, then the electric current for controlling proportional pressure control valve 130 remains unchanged, from
And the aperture of proportional pressure control valve 130 is remained unchanged, the revolving speed of fixed displacement motor 120 and fan 200 is constant, and revolving speed remains unchanged.
In other embodiments, when air temperature sensor, fuel temperature sensor and cooling-water temperature transmitter detect
When being equal to preset value to the temperature of corresponding radiator 412, then the discharge capacity for controlling variable pump remains unchanged, so that fixed displacement motor
120 and fan 200 revolving speed it is constant, revolving speed remains unchanged;Alternatively, when air temperature sensor, fuel temperature sensor and cold
But when liquid temperature sensor detects that the temperature of corresponding radiator 412 is equal to preset value, then the revolving speed of variable displacement motor is controlled
It remains unchanged, to keep the revolving speed of fan 200 constant, revolving speed is remained unchanged.
It should be noted that referring to figure 4., in above-mentioned cooling device 010 to the engine of the mechanical equipments such as rotary drilling rig
When cooling, the steering that reversal valve 140 adjusts the output shaft of motor 102 first can also be controlled with controller 300, to determine fan
200 steering.
The engine cooling method of the present embodiment can be examined according to each temperature sensor 411 that controller 300 is got
The temperature for the corresponding radiator 412 surveyed and the comparing result of preset value, control variable control mechanism 100 adjust fan 200
Revolving speed, flexibly to adjust the revolving speed of fan 200 according to the temperature of each radiator 412 of cooling mechanism 400, so that each dissipate
Hot device 412 is able to maintain stabilization, effectively cooling performance, in order to be provided with to the engine of the mechanical equipments such as rotary drilling rig
Effect ground is cooling, avoids generating adverse effect to the engine of rotary drilling rig.
In conclusion engine cooling method provided in an embodiment of the present invention is used for above-mentioned cooling device 010 or churning driven
Machine can control variable according to the temperature for each radiator 412 that controller 300 is got and the comparing result of preset value
Control mechanism 100 adjusts the revolving speed of fan 200, so that cooling mechanism 400 keeps stabilization, effectively cooling performance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of cooling device, which is characterized in that including variable control mechanism (100), fan (200), cooling mechanism (400) and
Controller (300), the variable control mechanism (100) connect with the fan (200), for driving the fan (200) to turn
It moves so that the cooling mechanism (400) heat dissipation;The variable control mechanism (100) and the cooling mechanism (400) with it is described
Controller (300) electrical connection;Wherein,
The cooling mechanism (400) includes at least two radiating subassemblies (410), and the heat dissipation of each radiating subassembly (410)
Medium is all different, and each radiating subassembly includes temperature sensor (411) and radiator (412), the controller
(300) it is electrically connected with the temperature sensor (411), the temperature sensor (411) is for detecting the radiator (412)
Temperature;The controller (300) is used to obtain the temperature of each radiator (412), and according to each radiator
(412) comparing result of temperature and preset value controls the variable control mechanism (100) and adjusts turning for the fan (200)
Speed.
2. cooling device according to claim 1, which is characterized in that the controller (300) is specifically configured to ought be extremely
A few sensor detects that the temperature of its corresponding radiator (412) is higher than the preset value, and other institute
State sensor detect its corresponding radiator (412) temperature be equal to the preset value when, control the Variable Control
Mechanism (100) increases the revolving speed of the fan (200).
3. cooling device according to claim 1, which is characterized in that the controller (300) specifically is additionally configured to work as
At least one described sensor detects that the temperature of its corresponding radiator (412) is lower than the preset value, and in addition
When the sensor detects that the temperature of its corresponding radiator (412) is equal to the preset value, the variable control is controlled
Mechanism (100) processed reduces the revolving speed of the fan (200).
4. cooling device according to claim 1, which is characterized in that the controller (300) specifically is additionally configured to work as
When each sensor detects that the temperature of the radiator (412) is equal to preset value, the variable control mechanism is controlled
(100) keep the revolving speed of the fan (200) constant.
5. cooling device according to claim 1, which is characterized in that the variable control mechanism (100) includes constant displacement pump
(110), fixed displacement motor (120) and the proportional pressure control valve being set between the constant displacement pump (110) and the fixed displacement motor (120)
(130);The output shaft of the fan (200) and the fixed displacement motor (120) is sequentially connected;The controller (300) with it is described
Proportional pressure control valve (130) electrical connection, for adjusting the opening and closing of the proportional pressure control valve (130), to control the fixed displacement motor
(120) revolving speed of the fan (200) is adjusted.
6. cooling device according to claim 1, which is characterized in that the variable control mechanism (100) includes mutually interconnecting
The variable pump and fixed displacement motor (120) connect, the output shaft transmission connection of the fan (200) and the fixed displacement motor (120);Institute
It states controller (300) to be electrically connected with the variable pump, drives the fixed displacement motor (120) to adjust institute for controlling the variable pump
State the revolving speed of fan (200).
7. cooling device according to claim 1, which is characterized in that the variable control mechanism (100) includes mutually interconnecting
The output shaft of the constant displacement pump (110) and variable displacement motor connect, the fan (200) and the variable displacement motor is sequentially connected;The control
Device (300) processed is electrically connected with the variable displacement motor, and the revolving speed of the fan (200) is adjusted for controlling the variable displacement motor.
8. cooling device according to claim 1-7, which is characterized in that the variable control mechanism (100) is also
Including reversal valve (140), the controller (300) is electrically connected with the reversal valve (140), for controlling the reversal valve
(140) steering of the fan (200) is determined.
9. a kind of rotary drilling rig, which is characterized in that including the described in any item cooling devices of claim 1-8, the cooling dress
It sets for the engine cooling to the rotary drilling rig.
10. a kind of engine cooling method, the rotation for the described in any item cooling devices of claim 1-8 or claim 9
Dig drilling machine, which is characterized in that the engine cooling method includes:
Obtain the temperature of the cooling mechanism (400);
When the temperature of the cooling mechanism (400) is greater than the preset value, controls the variable control mechanism (100) and increase institute
State the revolving speed of fan (200);
When the temperature of the cooling mechanism (400) is less than the preset value, controls the variable control mechanism (100) and reduce institute
State the revolving speed of fan (200);
When the temperature of the cooling mechanism (400) is equal to the preset value, controls the variable control mechanism (100) and keep institute
The revolving speed for stating fan (200) is constant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910573524.2A CN110159409B (en) | 2019-06-27 | 2019-06-27 | Cooling device, rotary drilling rig and engine cooling method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910573524.2A CN110159409B (en) | 2019-06-27 | 2019-06-27 | Cooling device, rotary drilling rig and engine cooling method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110159409A true CN110159409A (en) | 2019-08-23 |
CN110159409B CN110159409B (en) | 2023-11-17 |
Family
ID=67637255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910573524.2A Active CN110159409B (en) | 2019-06-27 | 2019-06-27 | Cooling device, rotary drilling rig and engine cooling method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110159409B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112177518A (en) * | 2020-09-29 | 2021-01-05 | 中油国家油气钻井装备工程技术研究中心有限公司 | Linkage control method for drilling drive motor host and cooling fan |
CN112983619A (en) * | 2021-03-05 | 2021-06-18 | 柳州柳工挖掘机有限公司 | Engineering machine heat dissipation system, electronic fan control method and engineering machine |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0949427A (en) * | 1995-08-09 | 1997-02-18 | Shin Caterpillar Mitsubishi Ltd | Cooling control device for construction machine |
WO2006112091A1 (en) * | 2005-04-07 | 2006-10-26 | Hitachi Construction Machinery Co., Ltd. | Cooling device for construction machine |
CN202325800U (en) * | 2011-11-15 | 2012-07-11 | 中联重科股份有限公司 | Cooling system of engine and engineering machinery |
CN102562248A (en) * | 2012-03-08 | 2012-07-11 | 中联重科股份有限公司 | Cooling system and cooling method for hydraulic traveling machine, and hydraulic excavator |
CN102912822A (en) * | 2012-11-08 | 2013-02-06 | 三一重机有限公司 | Cooling system for excavator and excavator |
CN103511054A (en) * | 2013-10-22 | 2014-01-15 | 陕西盛迈石油有限公司 | Cooling system |
CN210003377U (en) * | 2019-06-27 | 2020-01-31 | 北京三一智造科技有限公司 | Cooling device and rotary drilling rig |
-
2019
- 2019-06-27 CN CN201910573524.2A patent/CN110159409B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0949427A (en) * | 1995-08-09 | 1997-02-18 | Shin Caterpillar Mitsubishi Ltd | Cooling control device for construction machine |
WO2006112091A1 (en) * | 2005-04-07 | 2006-10-26 | Hitachi Construction Machinery Co., Ltd. | Cooling device for construction machine |
CN202325800U (en) * | 2011-11-15 | 2012-07-11 | 中联重科股份有限公司 | Cooling system of engine and engineering machinery |
CN102562248A (en) * | 2012-03-08 | 2012-07-11 | 中联重科股份有限公司 | Cooling system and cooling method for hydraulic traveling machine, and hydraulic excavator |
CN102912822A (en) * | 2012-11-08 | 2013-02-06 | 三一重机有限公司 | Cooling system for excavator and excavator |
CN103511054A (en) * | 2013-10-22 | 2014-01-15 | 陕西盛迈石油有限公司 | Cooling system |
CN210003377U (en) * | 2019-06-27 | 2020-01-31 | 北京三一智造科技有限公司 | Cooling device and rotary drilling rig |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112177518A (en) * | 2020-09-29 | 2021-01-05 | 中油国家油气钻井装备工程技术研究中心有限公司 | Linkage control method for drilling drive motor host and cooling fan |
CN112983619A (en) * | 2021-03-05 | 2021-06-18 | 柳州柳工挖掘机有限公司 | Engineering machine heat dissipation system, electronic fan control method and engineering machine |
Also Published As
Publication number | Publication date |
---|---|
CN110159409B (en) | 2023-11-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106321218B (en) | Cooling control system, method and excavator | |
CN110159409A (en) | Cooling device, rotary drilling rig and engine cooling method | |
JP2007016659A (en) | Control device for cooling fan | |
JP4649354B2 (en) | Cooling fan control device and work machine cooling fan control device | |
KR101754544B1 (en) | Control device for construction machine cooling fan | |
EP2740890A1 (en) | Cooling system and method for a downhole tool | |
EP2097627A2 (en) | Radial venting axial fan for a power machine | |
CN109477326B (en) | Control system for air blowing device of construction machine | |
JP2008518159A (en) | Excavator and method for controlling fan in excavator | |
CN210003377U (en) | Cooling device and rotary drilling rig | |
US10018030B2 (en) | Condition monitoring of electric motor | |
WO2023207043A1 (en) | Engineering machinery heat dissipation management method, apparatus and system | |
BR102018006042A2 (en) | internal combustion engine cooling device | |
JP6476953B2 (en) | Hydraulic circuit for construction machinery | |
JP5718263B2 (en) | Construction machinery | |
CN213235202U (en) | Heat sink device | |
CN115315138A (en) | Method for cooling a device, and device for carrying out the cooling method | |
CN106194384B (en) | Apparatus and method for controlling cooling fan rotation speed | |
JP2014102154A (en) | Engine cooling water temperature control device and method | |
KR20010063790A (en) | Apparatus for driving a cooling fan motor of construction heavy equipment | |
JP5307529B2 (en) | Fluid temperature adjusting method and fluid temperature adjusting device for driving system performance test of internal combustion engine | |
WO2011111338A1 (en) | Cooling fan drive circuit | |
Jasiński | Influence of the low ambient temperature on the start-up process of hydraulic pumps | |
KR101631718B1 (en) | Apparatus and method for controlling engine torque automatically by fan load in construction equipment | |
JPH0596433U (en) | Water-cooled engine cooling system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |