CN114837790A - Heat balance management system and management strategy for explosion-proof diesel engine - Google Patents
Heat balance management system and management strategy for explosion-proof diesel engine Download PDFInfo
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- CN114837790A CN114837790A CN202210519310.9A CN202210519310A CN114837790A CN 114837790 A CN114837790 A CN 114837790A CN 202210519310 A CN202210519310 A CN 202210519310A CN 114837790 A CN114837790 A CN 114837790A
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- 239000000110 cooling liquid Substances 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 description 24
- 238000013021 overheating Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
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
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
- F01P11/0204—Filling
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/18—Indicating devices; Other safety devices concerning coolant pressure, coolant flow, or liquid-coolant level
-
- 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
- F01P7/14—Controlling of coolant flow the coolant being liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
-
- 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
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a thermal balance management system and a management strategy of an explosion-proof diesel engine, wherein the management system comprises an engine controller ECU, a thermal management controller HCU, an engine radiator, an external circulation radiator, a temperature sensor I, a temperature sensor II, a pressure sensor I and a pressure sensor II, and the thermal management controller ECU is communicated with the engine controller HCU; the heat management controller HCU controls the operation of the engine radiator through the electric control proportional valve I and the hydraulic motor I, and controls the operation of the external circulation radiator through the electric control proportional valve II and the hydraulic motor II; the heat management controller HCU is connected with the engine radiator and the external circulation radiator, and the heat management controller HCU is connected with the external circulation radiator and the engine radiator. The invention can effectively carry out dynamic thermal management on the explosion-proof diesel engine, so that the engine works in the optimal state.
Description
Technical Field
The invention relates to the technical field of explosion-proof diesel engines, in particular to a thermal balance management system and a management strategy for an explosion-proof diesel engine.
Background
The explosion-proof diesel engine is widely applied to various coal mine auxiliary transportation equipment. As a power source of equipment, the normal operation of an engine is related to the performance and efficiency of a whole vehicle, while an explosion-proof engine firstly needs to meet the requirements of surface temperature and exhaust temperature. The existing explosion-proof engine only carries out heat dissipation and cooling through a water pump, a fan and a radiator of the engine, cannot accurately carry out real-time temperature control according to the surface temperature change and the exhaust temperature change of the engine, has limited heat management control capacity, low efficiency and influences the performance of the engine, and underground equipment has strict requirements on size, volume and the like, so that the overall size of an engine box body can be influenced by adopting a mode of directly driving the heat dissipation fan by the engine, and the reasonable arrangement of an engine system is not facilitated. The explosion-proof engine is poor in use working condition, is basically at an engine torque point in normal use, is low in rotating speed, cannot exert the maximum heat dissipation capacity of an engine heat dissipation system, and is easy to cause overheating of the engine, so that construction efficiency is affected. The existing explosion-proof engine heat dissipation system driving mode adopts a hydraulic motor drive or a motor drive besides the direct drive of the engine, adopts the hydraulic drive, has stable heat dissipation power but cannot accurately control working conditions with different rotating speeds and different load ratios, has higher power consumption to the engine when the heat dissipation power is high, is easy to cause power waste, further increases the load of the engine, cannot meet the heat dissipation requirements of each working condition of the engine when the heat dissipation power is low, and is easy to cause the problems of overheating of the engine, overtemperature of surface temperature exhaust and the like; although the motor-driven heat dissipation system can accurately adjust the rotating speed, the underground explosion-proof requirement on the electric part is met, the installation space is greatly limited due to the use of the explosion-proof box, the service life of the electric part is short in the coal mine environment, and the use cost of the electric part is high.
Disclosure of Invention
The invention aims to provide a thermal balance management system and a management strategy of an explosion-proof diesel engine, which can control the thermal balance of the engine in real time so as to improve the working efficiency of the engine.
In order to achieve the purpose, the invention protects an explosion-proof diesel engine heat balance management system on one hand, which comprises an engine controller ECU, a heat management controller HCU, an engine radiator and an external circulation radiator, wherein the heat management controller ECU is communicated with the engine controller HCU; the heat management controller HCU controls the operation of the engine radiator through an electric control proportional valve I and a hydraulic motor I, and controls the operation of the external circulation radiator through an electric control proportional valve II and a hydraulic motor II; still include temperature sensor I, temperature sensor II, pressure sensor I, pressure sensor II, temperature sensor I is used for gathering the temperature of engine radiator feeds back to thermal management controller HCU, temperature sensor II is used for gathering the temperature of extrinsic cycle radiator feeds back to thermal management controller HCU, pressure sensor I is used for gathering the pressure of engine radiator feeds back to thermal management controller HCU, pressure sensor II is used for adopting the pressure of extrinsic cycle radiator feeds back to thermal management controller HCU.
Further, the heat management controller HCU comprises a cooling liquid supply tank, wherein the cooling liquid supply tank is used for supplying cooling liquid to the engine radiator and the external circulation radiator, and the cooling liquid supply tank is connected with the heat management controller HCU.
On the other hand, the invention also protects a heat balance management strategy, T, of the explosion-proof diesel engine I The temperature sensor I detects the real-time temperature T of the engine radiator II The temperature sensor II detects the real-time temperature T of the external circulation radiator I Normal temperature range of is T A ~T B ，T II Is T C ~T D ，
If T I And T II Continuously reading the engine speed n and the load factor m in the engine controller ECU within a set range, and then
If the read engine load rate m is larger than 85%, adjusting the opening of a proportional valve according to the load rate, wherein the opening of an electronic control proportional valve I is A I =A+mH I The opening degree of the electric control proportional valve II is A II =A+mH II ；
If the read engine load rate is less than 85%, adjusting the opening of the proportional valve according to the rotating speed, wherein the opening of the electronic control proportional valve I is A I =A+nK I The opening degree of the electric control proportional valve II is A II =A+nK II ；
If T I And T II If the opening degree of the electric control proportional valve I and the opening degree of the electric control proportional valve II are not in the set range, the HCU detects the opening degree of the electric control proportional valve I and the electric control proportional valve II,
then
If the read engine load rate is larger than 85%, adjusting the opening of the proportional valve according to the load rate: electric control proportional valve I
Is a I =A+mH I ＋q I （T I —T B ) The opening degree of the electric control proportional valve II is A II =A+mH II ＋q II （T II —T D ）；
If the load factor is less than 85%, controlling the opening degrees of the electric control proportional valve I (3) and the electric control proportional valve II (6) according to the engine speed: a. the I =A+nK I ＋p I （T I —T B ）、A II =A+nK II ＋p II （T II —T D ），p I 、p II Is a correction factor.
Further, if the electric control proportional valve I or the electric control proportional valve II is fully opened, the heat management controller HCU controls the ECU to reduce the fuel injection quantity of the engine.
Further, a pressure sensor I reads the real-time pressure P of the engine radiator I The pressure sensor II reads the real-time pressure of the external circulation radiator as P II (ii) a If P I Or P II If the value is less than the set value P, continuing to detect; if P I Or P II And if the pressure value is larger than the set value P, the HCU controls to open a pressure switch in the cooling liquid supply box to supply cooling liquid to the engine radiator or the external circulation radiator.
The invention has the beneficial effects that: the engine controller ECU is connected with the engine heat dissipation system through the heat management controller, so that the heat dissipation system is kept in a dynamic regulation state and in an optimal state all the time under various rotating speeds and load rates of the engine, the heat dissipation of the engine and the matching of exhaust heat dissipation and the heat dissipation system are guaranteed, the problems of overheating and overhigh exhaust temperature of the engine caused by insufficient heat dissipation power are avoided, and the problem of power waste caused by overlarge heat dissipation power is also avoided.
Drawings
FIG. 1 is a block diagram of an engine thermal balance management system of the present invention;
FIG. 2 is a schematic diagram of the engine heat balance management strategy of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, the system comprises an engine controller ECU, a thermal management controller HCU, an engine radiator and an external circulation radiator, wherein the thermal management controller ECU and the engine controller HCU are communicated with each other through a CAN bus, the thermal management controller HCU controls the operation of the engine radiator through an electric control proportional valve I and a hydraulic motor I, and controls the operation of the external circulation radiator through an electric control proportional valve II and a hydraulic motor II. The system further comprises a temperature sensor I, a temperature sensor II, a pressure sensor I and a pressure sensor II, wherein the temperature sensor I is used for collecting the temperature of the engine radiator and feeding the temperature back to the thermal management controller HCU, the temperature sensor II is used for collecting the temperature of the external circulation radiator and feeding the temperature back to the thermal management controller HCU, the pressure sensor I is used for collecting the pressure of the water chamber of the engine radiator and feeding the pressure back to the thermal management controller HCU, and the pressure sensor II is used for adopting the pressure of the water chamber of the external circulation radiator and feeding the pressure back to the thermal management controller HCU. The system adopts two radiators, namely the engine radiator and the external circulation radiator, to radiate the explosion-proof diesel engine, so that the temperature of the engine can be effectively controlled, and the engine can be ensured to work in a normal temperature range.
In addition, the system also comprises a cooling liquid supply box, wherein the cooling liquid supply box is used for supplying cooling liquid for the engine radiator and the external circulation radiator, the cooling liquid supply box is connected with the heat management controller HCU, and the cooling liquid supply box can timely supply anti-freezing liquid in the radiator under abnormal states of overhigh pressure of the radiator, reduced heat dissipation performance and the like, so that the heat dissipation capacity is ensured, and the self overheating and exhaust overtemperature of the engine caused by the reduction of the heat dissipation capacity are avoided.
The system collects real-time temperature and real-time pressure of the two radiators by the aid of the temperature sensor I, the temperature sensor II, the pressure sensor I and the pressure sensor II through the HCU, heat dissipation of the two radiators is dynamically managed, the heat dissipation system is always in the optimal heat dissipation state, and accordingly normal work of the explosion-proof diesel engine is well protected. Through the cooperation use of automatically controlled proportional valve and hydraulic motor, both reduced use cost and improved adaptability reliability and can realize the accurate control of heat-sinking capability again, and can not receive the influence of engine position and arrange in a flexible way.
As shown in FIG. 2, the invention also discloses a heat balance management strategy, T, of the explosion-proof diesel engine I The temperature sensor I detects the real-time temperature T of the engine radiator II The temperature sensor II detects the real-time temperature T of the external circulation radiator I Normal temperature range of is T A ~T B ，T II Normal temperature range of is T C ~T D ，
If T I And T II In a set range, the HCU continuously reads the engine speed n and the load rate m in the ECU, if the load rate m of the engine is read to be more than 85 percent, the cooling requirement of the engine is improved, an engine radiator and an external circulation radiator need to be synchronously followed, the radiating strength is increased,
the HCU adjusts the opening degree of the proportional valve I and the proportional valve II according to the load rate to make the openings of the proportional valve I and the proportional valve II larger, wherein the opening degree of the electric control proportional valve I is A I =A+mH I The opening degree of the electric control proportional valve II is A II =A+mH II ；
If the engine load rate is read to be less than 85%, the thermal management controller adjusts the opening degrees of the proportional valve I and the proportional valve II through the rotating speed of the engine, the larger the rotating speed of the engine is, the larger the openings of the proportional valve I and the proportional valve II are, and the opening degree of the electronic control proportional valve I is A I =A+nK I The opening degree of the electric control proportional valve II is A II =A+nK II ；
If T I And T II If the opening degree of the electric control proportional valve I and the opening degree of the electric control proportional valve II are not in the set range, the HCU detects the opening degree of the electric control proportional valve I and the electric control proportional valve II,
if the load rate of the engine is read to be larger than 85%, the opening degrees of the proportional valve I and the proportional valve II are adjusted together according to the load rate and the temperature difference, namely the opening degrees of the proportional valve I and the proportional valve II are larger as the temperature of the engine is higher, and the electrically controlled proportional valve I is also adjusted to be larger as the opening degrees of the proportional valve I and the proportional valve II are higher
Is a I =A+mH I ＋q I （T I —T B ) The opening degree of the electric control proportional valve II is A II =A+mH II ＋q II （T II —T D ）；
If the load factor is less than 85%, controlling the opening degrees of the electric control proportional valve I (3) and the electric control proportional valve II (6) according to the engine speed: a. the I =A+nK I ＋p I （T I —T B ）、A II =A+nK II ＋p II （T II —T D ），p I 、p II Is a correction factor.
And if the electric control proportional valve I or the electric control proportional valve II is fully opened, the HCU controls the ECU to reduce the fuel injection quantity of the engine.
In addition, the pressure sensor I reads the engine radiator real-time pressure P I The pressure sensor II reads the real-time pressure of the external circulation radiator as P II If P is I Or P II If the value is less than the set value P, continuing to detect; if P I Or P II If the pressure value is larger than the set value P, the HCU controls to open a pressure switch in the cooling liquid supply tank to supply the cooling liquid to the engine radiator or the external circulation radiatorAnd (6) cooling the liquid.
In the heat management strategy, the heat management controller HCU controls the heat dissipation system through the rotating speed and the load rate of the engine, so that the adaptability of the engine under two limit working conditions of high rotating speed and large load is guaranteed, the heat management controller HCU communicates with the engine ECU, the fuel injection quantity of the engine is controlled under the overtemperature condition, and the normal operation of the engine is guaranteed, so that the problems that the adaptability of the traditional explosion-proof engine is poor under the limit working condition, and the engine cannot be protected in time after overtemperature, so that the engine is damaged, are solved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes which can be made within the knowledge of those skilled in the art without departing from the gist of the present invention are within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an explosion-proof diesel engine heat balance management system which characterized in that: the system comprises an engine controller ECU, a thermal management controller HCU, an engine radiator and an external circulation radiator, wherein the thermal management controller ECU is communicated with the engine controller HCU; the heat management controller HCU controls the operation of the engine radiator through an electric control proportional valve I and a hydraulic motor I, and controls the operation of the external circulation radiator through an electric control proportional valve II and a hydraulic motor II; still include temperature sensor I, temperature sensor II, pressure sensor I, pressure sensor II, temperature sensor I is used for gathering the temperature of engine radiator feeds back to thermal management controller HCU, temperature sensor II is used for gathering the temperature of extrinsic cycle radiator feeds back to thermal management controller HCU, pressure sensor I is used for gathering the pressure of engine radiator feeds back to thermal management controller HCU, pressure sensor II is used for adopting the pressure of extrinsic cycle radiator feeds back to thermal management controller HCU.
2. The thermal balance management system of the explosion-proof diesel engine according to claim 1, characterized in that: the heat management controller HCU is connected with the engine radiator and the external circulation radiator, and the heat management controller HCU is connected with the external circulation radiator and the engine radiator.
3. The heat balance management strategy of the explosion-proof diesel engine is characterized in that T I The temperature sensor I detects the real-time temperature T of the engine radiator II The temperature sensor II detects the real-time temperature T of the external circulation radiator I Normal temperature range of is T A ~T B ，T II Normal temperature range of is T C ~T D ，
If T I And T II Continuously reading the engine speed n and the load factor m in an engine controller ECU within a set range,
then
If the read engine load rate m is larger than 85%, adjusting the opening of a proportional valve according to the load rate, wherein the opening of an electronic control proportional valve I is A I =A+mH I The opening degree of the electric control proportional valve II is A II =A+mH II ，H I 、H II Is a correction factor;
if the read engine load rate is less than 85%, adjusting the opening of the proportional valve according to the rotating speed, wherein the opening of the electronic control proportional valve I is A I =A+nK I The opening degree of the electric control proportional valve II is A II =A+nK II ，K I 、K II Is a correction factor;
if T I And T II If the opening degree of the electric control proportional valve I and the opening degree of the electric control proportional valve II are not in the set range, the HCU detects the opening degree of the electric control proportional valve I and the electric control proportional valve II,
then
If the read engine load rate is larger than 85%, adjusting the opening of the proportional valve according to the load rate: electric control proportional valve I
Is a I =A+mH I ＋q I （T I —T B ) The opening degree of the electric control proportional valve II is A II =A+mH II ＋q II （T II —T D ），q I 、q II Is a correction factor;
if the load factor is less than 85%, controlling the opening degrees of the electric control proportional valve I and the electric control proportional valve II according to the rotating speed of the engine: a. the I =A+nK I ＋p I （T I —T B ）、A II =A+nK II ＋p II （T II —T D ），p I 、p II Is a correction factor.
4. The thermal balance management strategy of the explosion-proof diesel engine according to claim 3, characterized in that if the electrically controlled proportional valve I or the electrically controlled proportional valve II is fully opened, the thermal management controller HCU controls the engine controller ECU to reduce the fuel injection quantity of the engine.
5. The strategy for managing the thermal balance of the explosion-proof diesel engine as claimed in claim 3, wherein the pressure sensor I reads the real-time pressure P of the engine radiator I The pressure sensor II reads the real-time pressure of the external circulation radiator as P II (ii) a If P I Or P II If the value is less than the set value P, continuing to detect; if P I Or P II And if the pressure value is larger than the set value P, the HCU controls to open a pressure switch in the cooling liquid supply box to supply cooling liquid to the engine radiator or the external circulation radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519310.9A CN114837790B (en) | 2022-05-13 | 2022-05-13 | Explosion-proof diesel engine heat balance management system and management strategy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519310.9A CN114837790B (en) | 2022-05-13 | 2022-05-13 | Explosion-proof diesel engine heat balance management system and management strategy |
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| CN114837790A true CN114837790A (en) | 2022-08-02 |
| CN114837790B CN114837790B (en) | 2024-03-12 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493521A (en) * | 2011-12-01 | 2012-06-13 | 徐州徐工挖掘机械有限公司 | Energy-saving control method for cooling system of excavator |
| CN202359604U (en) * | 2011-12-01 | 2012-08-01 | 徐州徐工挖掘机械有限公司 | Energy-saving control system of radiating system of excavator |
| WO2013094794A1 (en) * | 2011-12-23 | 2013-06-27 | 볼보 컨스트럭션 이큅먼트 에이비 | Hydraulic fan drive control system for construction machinery |
| CN103541389A (en) * | 2013-09-24 | 2014-01-29 | 徐州徐工特种工程机械有限公司 | Adjustable independent heat dissipation device of loader-digger |
| CN104005832A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Electronic control thermal management system for diesel engine |
| CN104373193A (en) * | 2014-11-19 | 2015-02-25 | 力帆实业(集团)股份有限公司 | Automobile cooling system with expansion kettle liquid level alarm reminding |
| CN105114166A (en) * | 2015-09-09 | 2015-12-02 | 柳工无锡路面机械有限公司 | Milling machine engine thermal management system |
| CN205064458U (en) * | 2015-08-21 | 2016-03-02 | 徐工集团工程机械股份有限公司科技分公司 | Loader fan drive hydraulic system |
| CN106014751A (en) * | 2016-07-14 | 2016-10-12 | 中国矿业大学 | Rapid explosion-proof diesel engine heating device and control method thereof |
| CN107905881A (en) * | 2017-11-22 | 2018-04-13 | 徐工集团工程机械有限公司 | A kind of engineering machinery hydraulic independence cooling system |
| CN110848013A (en) * | 2019-10-17 | 2020-02-28 | 江苏大学 | Intelligent thermal management system and control method for alcohol-diesel dual-fuel engine |
-
2022
- 2022-05-13 CN CN202210519310.9A patent/CN114837790B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493521A (en) * | 2011-12-01 | 2012-06-13 | 徐州徐工挖掘机械有限公司 | Energy-saving control method for cooling system of excavator |
| CN202359604U (en) * | 2011-12-01 | 2012-08-01 | 徐州徐工挖掘机械有限公司 | Energy-saving control system of radiating system of excavator |
| WO2013094794A1 (en) * | 2011-12-23 | 2013-06-27 | 볼보 컨스트럭션 이큅먼트 에이비 | Hydraulic fan drive control system for construction machinery |
| CN103541389A (en) * | 2013-09-24 | 2014-01-29 | 徐州徐工特种工程机械有限公司 | Adjustable independent heat dissipation device of loader-digger |
| CN104005832A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Electronic control thermal management system for diesel engine |
| CN104373193A (en) * | 2014-11-19 | 2015-02-25 | 力帆实业(集团)股份有限公司 | Automobile cooling system with expansion kettle liquid level alarm reminding |
| CN205064458U (en) * | 2015-08-21 | 2016-03-02 | 徐工集团工程机械股份有限公司科技分公司 | Loader fan drive hydraulic system |
| CN105114166A (en) * | 2015-09-09 | 2015-12-02 | 柳工无锡路面机械有限公司 | Milling machine engine thermal management system |
| CN106014751A (en) * | 2016-07-14 | 2016-10-12 | 中国矿业大学 | Rapid explosion-proof diesel engine heating device and control method thereof |
| CN107905881A (en) * | 2017-11-22 | 2018-04-13 | 徐工集团工程机械有限公司 | A kind of engineering machinery hydraulic independence cooling system |
| CN110848013A (en) * | 2019-10-17 | 2020-02-28 | 江苏大学 | Intelligent thermal management system and control method for alcohol-diesel dual-fuel engine |
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| Publication number | Publication date |
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| CN114837790B (en) | 2024-03-12 |
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