CN202338384U - Cooling device, engine cooling system and engineering machinery with engine - Google Patents
Cooling device, engine cooling system and engineering machinery with engine Download PDFInfo
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- CN202338384U CN202338384U CN2011205133887U CN201120513388U CN202338384U CN 202338384 U CN202338384 U CN 202338384U CN 2011205133887 U CN2011205133887 U CN 2011205133887U CN 201120513388 U CN201120513388 U CN 201120513388U CN 202338384 U CN202338384 U CN 202338384U
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- cooling
- engine
- temperature
- motor
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- 238000001816 cooling Methods 0.000 title claims abstract description 151
- 238000005086 pumping Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims description 20
- 239000002826 coolant Substances 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model provides a cooling device, this cooling device include hydraulic pumping device (1) and cooling motor (2) that can adjust the pump sending oil mass, hydraulic pumping device (1) with cooling motor (2) are connected. The utility model also provides an engine cooling system, this cooling system include interconnect's cooling device and cooling fan (11), cooling device does the utility model provides a cooling device. The utility model also provides an engineering machine tool with the engine, this engineering machine tool still includes does the utility model provides an engine cooling system. The utility model provides a cooling device, engine cooling system and engineering machine tool that has the engine can realize more accurate cooling system temperature control, have guaranteed cooling system's temperature safety, and have realized that the engine is energy-conserving.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of cooling unit, a kind of engine-cooling system, reaches a kind of engineering machinery with motor.
Background technique
The motor of present engineering machinery (for example truck crane, crawler crane etc.) all is equipped with engine-cooling system, through the motivational drive cooling motor and the cooling fan work of motor, realizes the heat radiation of motor is regulated.Mainly come opening and closing to be used to provide the coolant pump of power oil sources and the control valve between the cooling motor to start and stop cooling system at present through (manual or thermal switch); When the temperature that detects engine coolant surpasses the setting chilling temperature; Start cooling system; Set when stopping temperature when the temperature that detects engine coolant is lower than, stop cooling system.
In the existing cooling system; Control valve is switch valve; Its startup and stop not quicken, moderating process, cause cooling motor and speed of cooling fan unadjustable, make the temperature of cooling system control inaccuracy; And cooling motor and cooling fan frequent starting, stop, causing shake to impact easily cooling system and other operation mechanisms.In order to guarantee the temperature safety of cooling system, tend to be provided with lower operating temperature, can cause certain engine power waste again.
The model utility content
The purpose of the utility model is to cause shake easily, have problem such as engine power waste to existing cooling unit temperature control inaccuracy, start and stop, provides a kind of and can realize that precise dose is controlled and cooling unit, the engine-cooling system of energy-conservation, long service life and have the engineering machinery of motor.
The utility model provides a kind of cooling unit, and this cooling unit comprises hydraulic pressure pumping installations and the cooling motor that can regulate the pumping oil mass, and said hydraulic pressure pumping installations is connected with said cooling motor.
Preferably, said hydraulic pressure pumping installations can comprise quantitative hydraulic pump with can be according to the flow control valve of speed regulation Signal Regulation valve opening.
Preferably, said flow control valve can be Proportional valve or servovalve.
Preferably, can comprise can be according to the volume adjustable hydraulic pump of speed regulation Signal Regulation pump displacement for said hydraulic pressure pumping installations.
The utility model also provides a kind of engine-cooling system, and this cooling system comprises cooling unit and cooling fan, and said cooling unit is the cooling unit that the utility model provides, and the cooling motor in this cooling unit is connected with said cooling fan.
Preferably; This cooling system can also comprise be used to gather coolant temperature, and according to the temperature collecting cell of the coolant temperature output temperature signal that collects and be used for the temperature control unit according to said temperature signal output speed regulated signal, said temperature control unit is connected respectively with said temperature collecting cell with said cooling unit.
The utility model also provides a kind of engineering machinery with motor, and this project machinery also comprises the engine-cooling system that the utility model provides.
Comprise the hydraulic pressure pumping installations that to regulate the pumping oil mass in the cooling unit that the utility model provides; The startup of cooling motor and cooling fan and stop that acceleration, moderating process are all arranged has thus realized rotating speed adjustable, makes that the temperature control of cooling system is more accurate; And cooling motor and cooling fan can frequent startings, stop; Be not easy to cause shake to impact to cooling system and other operation mechanisms, guaranteed the temperature safety of cooling system, realized engine energy-saving.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the cooling unit that provides of the utility model;
Fig. 2 is the structural representation of a kind of preferred implementation of the cooling unit among Fig. 1;
Fig. 3 is the workflow diagram of the cooling unit among Fig. 2;
Fig. 4 is the structural representation of a kind of preferred implementation of the cooling unit among Fig. 1;
Fig. 5 is the workflow diagram of the cooling unit among Fig. 4; And
Fig. 6 is the structural representation of the engine-cooling system that provides of the utility model.
Description of reference numerals
1 hydraulic pressure pumping installations, 2 cooling motors
3 quantitative hydraulic pumps, 4 flow control valves
5 volume adjustable hydraulic pumps, 10 cooling units
11 cooling fans, 12 temperature collecting cells
13 temperature control unit S speed regulation signals
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In order to realize the rotating speed adjustable of cooling fan of engine; The utility model provides a kind of cooling unit 10; As shown in Figure 1, this cooling unit 10 comprises the hydraulic pressure pumping installations 1 and cooling motor 2 that can regulate the pumping oil mass, and said hydraulic pressure pumping installations 1 is connected with said cooling motor 2.
Said hydraulic pressure pumping installations 1 for arbitrarily can be with power engine (for example motor) thus the mechanical energy pressure that converts liquid to can and come the flow of control orifice to regulate the pumping installations of the movement velocity of executive component (for example oil hydraulic cylinder or oil hydraulic motor) through the size that changes the resistance of restriction liquid.
Said pumping installations for example can comprise quantitative hydraulic pump and flow control valve that can manual tune valve aperture; Operator can be according to the valve opening size of the said flow control valve of ECT height manual tune that records; And then the pumping oil mass of regulating cooling unit 10; Realize the rotational speed regulation of cooling motor 2, can regulate the cooling fan of engine rotating speed that is connected with said cooling motor 2 thus, realize that the temperature of cooling liquid is accurately controlled.
Said pumping installations for example can include only can the manual tune pump displacement volume adjustable hydraulic pump; Operator can be according to the pump displacement of the said volume adjustable hydraulic pump of ECT height manual tune that records; And then the pumping oil mass of regulating cooling unit 10; Realize the rotational speed regulation of cooling motor 2, can regulate the cooling fan of engine rotating speed that is connected with said cooling motor 2 thus, realize that the temperature of cooling liquid is accurately controlled.
According to a kind of preferred implementation, as shown in Figure 2, in the cooling unit 10 that the utility model provides, said hydraulic pressure pumping installations 1 comprise quantitative hydraulic pump 3 with can be according to the flow control valve 4 of speed regulation signal S controlling opening of valve.Thus, can realize the adjusting of pumping oil mass through the valve opening of regulating flow control valve 4 from the speed regulation signal S of control system (the for example PLC of engine controller or engineering machinery).
This flow control valve 4 is can for example can be Proportional valve or servovalve through the flow adjustable valve of electrical signal control valve aperture arbitrarily.Under the preferable case, this flow control valve 4 is a Proportional valve.
Fig. 3 is the workflow diagram of the cooling unit 10 among Fig. 2.As shown in Figure 3; The power of engine-cooling system is from motor; Through motor the pressure that mechanical energy converts liquid to can be driven quantitative hydraulic pump 3, the power oil sources that quantitative hydraulic pump 3 provides drives cooling motor 2 work through flow control valve 4, drives cooling fan thus and rotates.When coolant temperature surpasses setting chilling temperature (this setting chilling temperature is the maximum temperature of engine health work); Can be through control system output speed regulated signal S to flow control valve 4; Make flow control valve 4 open according to coolant temperature height ratio; Drive cooling motor 2 work, set when stopping temperature (this setting stops the conventional temperature that temperature is engine health work) when coolant temperature is lower than, can be through control system output speed regulated signal S to flow control valve 4; Close flow control valve 4, stop cooling motor 2.
According to another kind of preferred implementation, as shown in Figure 4, in the cooling unit 10 that the utility model provides, said hydraulic pressure pumping installations 1 comprises the volume adjustable hydraulic pump 5 that can regulate pump displacement according to speed regulation signal S.Thus, can pass through pump displacement, realize the adjusting of pumping oil mass from the speed regulation signal S Moderator Variable oil hydraulic pump 5 of control system.
This volume adjustable hydraulic pump 5 is arbitrarily can be through the discharge capacity adjustable hydraulic pump of electrical signal control pump displacement.
Fig. 5 is the workflow diagram of the cooling unit 10 among Fig. 4.As shown in Figure 5, the power of engine-cooling system can drive volume adjustable hydraulic pump 5 through motor with the pressure that mechanical energy converts liquid to from motor, and the power oil sources that volume adjustable hydraulic pump 5 provides drives cooling motor 2 work, drives cooling fan thus and rotates.When coolant temperature surpasses the setting chilling temperature; Can make volume adjustable hydraulic pump 5 just regulate discharge capacity through control system output speed regulated signal S to volume adjustable hydraulic pump 5, drive cooling motor 2 work according to coolant temperature; When being lower than, coolant temperature sets when stopping temperature; Can close volume adjustable hydraulic pump 5 through control system output speed regulated signal S to volume adjustable hydraulic pump 5, stop cooling motor 2.
Owing to comprise the hydraulic pressure pumping installations 1 that to regulate the pumping oil mass in the cooling unit 10 that the utility model provides; The startup of cooling motor 2 and cooling fan and stop that acceleration, moderating process are all arranged thus; Make that the temperature control of cooling system is more accurate, and cooling motor 2 and cooling fan can frequent starting, stop, being not easy to cause shake to impact to cooling system and other operation mechanisms; Guarantee the temperature safety of cooling system, realized engine energy-saving.
As shown in Figure 6; The utility model also provides a kind of engine-cooling system; This cooling system comprises interconnective cooling unit and cooling fan 11; Said cooling unit is the cooling unit 10 that the utility model provides, and the cooling motor 2 in this cooling unit 10 is connected with said cooling fan 11.
For the rotating speed of realizing cooling motor 2 and cooling fan 11 is controlled automatically; Under the preferable case; As shown in Figure 6; The cooling system that the utility model provides also comprise be used to gather coolant temperature, and according to the temperature collecting cell 12 of the coolant temperature output temperature signal that collects and be used for the temperature control unit 13 according to said temperature signal output speed regulated signal S, said temperature control unit 13 is connected respectively with said temperature collecting cell 12 with said cooling unit.
Said temperature collecting cell 12 is for can gather the temperature of engine coolant arbitrarily in real time, and the temperature transition that collects is become the temperature collecting device of temperature signal output, for example can be temperature transducer.Can this temperature transducer be arranged in the engine coolant, to realize real-time collection coolant temperature.
Said temperature control unit 13 is connected with temperature collecting cell 12, for can for example being PLC according to the controller of the temperature signal output speed regulated signal S that receives arbitrarily.This temperature collecting cell 13 can be separate controller, also can be integrated in the controller of motor or engineering machinery, and the utility model does not limit it.
Technological scheme according to the utility model; Can be through temperature collecting cell 12 real-time temperature of gathering engine coolant in engine working process; And just change the hydraulic pressure pumping installations 1 in the cooling unit 10 by temperature control unit 13 output speed regulated signal S according to temperature, to realize the automatic adjusting of pumping oil mass.
The utility model also provides a kind of engineering machinery with motor; This project machinery also comprises the engine-cooling system that the utility model provides; This engine-cooling system can realize that cooling motor and speed of cooling fan are adjustable in the cooling system, makes to the temperature control of this cooling system more accurate.
The cooling unit that the utility model provides, engine-cooling system and the engineering machinery with motor can realize accurate more cooling system temperature control, have guaranteed the temperature safety of cooling system, and have realized engine energy-saving.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned mode of execution; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technological scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characteristics described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (7)
1. a cooling unit is characterized in that, this cooling unit comprises hydraulic pressure pumping installations (1) and the cooling motor (2) that can regulate the pumping oil mass, and said hydraulic pressure pumping installations (1) is connected with said cooling motor (2).
2. cooling unit according to claim 1 is characterized in that, said hydraulic pressure pumping installations (1) comprises quantitative hydraulic pump (3) and can be according to the flow control valve (4) of speed regulation signal (S) controlling opening of valve.
3. cooling unit according to claim 2 is characterized in that, said flow control valve (4) is Proportional valve or servovalve.
4. cooling unit according to claim 1 is characterized in that, said hydraulic pressure pumping installations (1) comprises the volume adjustable hydraulic pump (5) that can regulate pump displacement according to speed regulation signal (S).
5. engine-cooling system; This cooling system comprises cooling unit and cooling fan (11); It is characterized in that said cooling unit is the described cooling unit of each claim among the claim 2-4, the cooling motor in this cooling unit (2) is connected with said cooling fan (11).
6. cooling system according to claim 5; It is characterized in that; This cooling system also comprise be used to gather coolant temperature, and according to the temperature collecting cell (12) of the coolant temperature output temperature signal that collects and be used for the temperature control unit (13) according to said temperature signal output speed regulated signal (S), said temperature control unit (13) is connected respectively with said temperature collecting cell (12) with said cooling unit.
7. the engineering machinery with motor is characterized in that, this project machinery also comprises the described engine-cooling system of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205133887U CN202338384U (en) | 2011-12-09 | 2011-12-09 | Cooling device, engine cooling system and engineering machinery with engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205133887U CN202338384U (en) | 2011-12-09 | 2011-12-09 | Cooling device, engine cooling system and engineering machinery with engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202338384U true CN202338384U (en) | 2012-07-18 |
Family
ID=46487077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205133887U Expired - Fee Related CN202338384U (en) | 2011-12-09 | 2011-12-09 | Cooling device, engine cooling system and engineering machinery with engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202338384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878101A (en) * | 2012-09-24 | 2013-01-16 | 三一重机有限公司 | Fan, engine cooling system and construction machine |
| CN103375422A (en) * | 2013-08-08 | 2013-10-30 | 潍柴动力股份有限公司 | The control system of hydraulic fan, method and engine-cooling system |
-
2011
- 2011-12-09 CN CN2011205133887U patent/CN202338384U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878101A (en) * | 2012-09-24 | 2013-01-16 | 三一重机有限公司 | Fan, engine cooling system and construction machine |
| CN102878101B (en) * | 2012-09-24 | 2015-10-14 | 三一重机有限公司 | Fan, engine-cooling system and engineering machinery |
| CN103375422A (en) * | 2013-08-08 | 2013-10-30 | 潍柴动力股份有限公司 | The control system of hydraulic fan, method and engine-cooling system |
| CN103375422B (en) * | 2013-08-08 | 2016-04-06 | 潍柴动力股份有限公司 | The control system of hydraulic fan, method and engine-cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan ZOOMLION Crawler Crane Co.,Ltd. Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Contract record no.: 2013990000373 Denomination of utility model: Cooling device, engine cooling system and engineering machinery with engine Granted publication date: 20120718 License type: Exclusive License Record date: 20130703 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20171209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |