CN104912645A - Control method of vehicular intelligent cooling system - Google Patents
Control method of vehicular intelligent cooling system Download PDFInfo
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- CN104912645A CN104912645A CN201510307722.6A CN201510307722A CN104912645A CN 104912645 A CN104912645 A CN 104912645A CN 201510307722 A CN201510307722 A CN 201510307722A CN 104912645 A CN104912645 A CN 104912645A
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- cooling system
- air quantity
- vehicular intelligent
- divided
- intercooler
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a control method of a vehicular intelligent cooling system. The vehicular intelligent cooling system comprises an engine cooling water tank, an intercooler, electronic fans, a CAN (controller area network) communication interface, a temperature sensor, a control interface circuit and a microprocessor .The engine cooling water tank and the intercooler are stacked; the electronic fan cools both the engine cooling water tank and the intercooler; the microprocessor acquires engine cooling water temperature and intercooled air temperature; the microprocessor comprises a computing module, a judging module and a storing module; the computing module compares the acquired temperatures to a preset threshold set in the storing module and controls the number of the fans to be opened or closed, according to a set algorithm; by controlling the number of the fans to be opened or closed, the volume of air flowing by the engine cooling water tank and the intercooler is controlled. The control method helps effectively improve cooling efficiency of the vehicular intelligent cooling system.
Description
Technical field
The present invention relates to a kind of engine cooling apparatus, particularly relate to a kind of controlling method of Vehicular intelligent cooling system.
Background technique
Motor is the power source of automobile, and its property relationship is to the safety of automobile running and quality, and temperature concerns the important parameter of engine behavior, is a most important ring in engine control.Tradition cooling fan is by the crank-driven of motor, and cooling capacity can only change with engine speed change, can not meet actual cooling requirements, restriction loss is large, work unreliable, inefficiency.
At present, traditional crank-driven basis also develops the multiple technologies schemes such as hydraulic pressure fluid power type, clutch type, electromagnetic clutch type.Although improve to some extent compared to traditional mechanical fans, its principle is still use motor to drive radiation fan by bent axle, after engine-cooling system temperature reaches target, motor and radiation fan is departed from, thus controls the start and stop of fan.This single start stop mode still can not meet the cooling requirement of motor reality, fundamentally can not solve series of problems such as engine radiating unbalanced grade.
Summary of the invention
The object of the present invention is to provide a kind of controlling method of Vehicular intelligent cooling system, it can need control flow check through the air quantity of cooling liquid water tank and intercooler according to the actual heat radiation of motor, thus better controlled cooling model liquid water temperature and in cold rear temperature, improve the working efficiency of cooling system.
For achieving the above object, technical solution of the present invention is:
The present invention is a kind of controlling method of Vehicular intelligent cooling system, and it comprises the following steps: (1) arranges two threshold value T in the microprocessor
1and T
2-, T
1temperature range lower threshold, T
2-the upper limit threshold of temperature range, T
1span be (0, T
2-) and T
2-span be (T
1-, 100); (2) according to two the threshold value T arranged in microprocessor
1, T
2-with electronic fan total quantity n(n>=2), divide temperature province and corresponding air quantity grade.
Being divided into of temperature province and corresponding air quantity grade in step (2): according to the highest air quantity number of degrees f
maxn+1 regional extent, wherein 0 to T is divided between 0 DEG C to 100 DEG C
1between be divided into a region, T
2-a region is divided into, T between 100
1to T
2between be divided into (f
max-2) zoning such as individual, waits subregional variable quantity △ T=(T
2--T
1)/(f
max-2), i.e. △ T=(T
2--T
1)/(n-1); N+1 region according to corresponding corresponding air quantity rank from small to large 1,2 ..., n+1}, i.e. the fan number of corresponding corresponding unlatching 0,1 ..., n}.
The opening and closing of described fan adopt Random assignment, and when mean temperature t changes to corresponding regional extent, then the random electronic fan opened or close respective numbers, makes the air quantity flowing through cooling liquid water tank and intercooler meet setting value.
After adopting such scheme, due to the present invention by microcontroller acquires engine coolant water temperature value and in cold rear temperature value, computing module, judge module and memory module is provided with in microprocessor, control according to the algorithm set the quantity that fan opens or cut out after predetermined threshold value in the temperature value of collection and built-in memory module compares by computing module, carry out the air quantity of control flow check through cooling liquid water tank and intercooler by the quantity controlling fan and open or close.The present invention effectively can improve the radiating efficiency of cooling system of vehicle.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that the present invention relates to a kind of Vehicular intelligent cooling system;
Fig. 2 is the schematic flow sheet of the controlling method that the present invention relates to a kind of Intelligence Cooling System.
Embodiment
As shown in Figure 1, the present invention relates to a kind of Vehicular intelligent cooling system 100, comprise engine coolant water tank 1, intercooler 2, electronic fan 3, CAN communication interface 4, temperature transducer 5, control interface 6 and microprocessor 7.Described cooling liquid water tank 1 and intercooler 2 adopt stacked system to place, electronic fan 3 dispels the heat to cooling liquid water tank 1 and intercooler 2 simultaneously, according to cooling liquid water temperature value and in the change of cold rear temperature value, control electronic fan 3 quantity of opening or closing, thus reach control flow check through cooling liquid water tank 1 and the loose air quantity of intercooler 2.
This system can by two kinds of modes gather cooling liquid water temperature value and in cold rear temperature value, a kind of be by CAN receive engine controller gather cooling liquid water temperature value and in cold rear temperature value, another kind directly gathers cooling liquid water outlet of water tank temperature value and intercooler air outlet temperature value by temperature transducer, and the gentle temperature value of water temperature value after gathering is done to weighted calculation and obtained an average temperature value.
As shown in Figure 2, the present invention is a kind of controlling method of Vehicular intelligent cooling system, and it comprises the following steps:
(1) microprocessor receives the cooling liquid water temperature value t of engine controller collection by CAN
1with in cold rear temperature value t
2, the cooling liquid water temperature value t directly gathered by temperature transducer
3with in cold rear temperature value t
4, after process is weighted to above-mentioned sample temperature, draw mean value t=p
1* t
1+ p
2* t
2+ p
3* t
3+ p
4* t
4, wherein p
1+ p
2+ p
3+ p
4=1.
(2) two threshold value T are set in the microprocessor
1and T
2-, T
1temperature range lower threshold, T
2-the upper limit threshold of temperature range, T
1span be (0, T
2-) and T
2-span be (T
1-, 100).Can according to the highest air quantity number of degrees f
maxn+1 regional extent, wherein 0 to T is divided between 0 DEG C to 100 DEG C
1between be divided into a region, T
2-a region is divided into, T between 100
1to T
2between be divided into (f
max-2) zoning such as individual, waits subregional variable quantity △ T=(T
2--T
1)/(f
max-2), i.e. △ T=(T
2--T
1)/(n-1).N+1 region according to corresponding corresponding air quantity rank from small to large 1,2 ..., n+1}, i.e. the fan number of corresponding corresponding unlatching 0,1 ..., n}.Illustrate, T
1value 60, T
2value 90, fan total quantity n=4, then △ T=10, so can divide 5 regional extents between 0 to 100, [0 respectively, 60), [60,70), [70,80), [80,90), [90,100], the air quantity rank that these 5 interval ranges are corresponding is 1,2,3,4,5 respectively, and corresponding quantity of opening fan is 0,1,2,3,4 respectively.
(3) according to two the threshold value T arranged in microprocessor
1, T
2-with electronic fan total quantity n(n>=2), divide temperature province and corresponding air quantity grade.Electronic fan total quantity n in this example, n>=2, then the air quantity grade f of system can be divided into a corresponding n+1 grade, the lowest class f of air quantity
min=1, the top grade f of air quantity
max=n+1, then the span of f be 1,2 ..., n+1 }, the unlatching of the corresponding some electronic fans of each grade of air quantity, then the quantity that the corresponding fan of air quantity grade is opened be 0,1 ..., n}.Illustrate, suppose that fan total quantity is n=2, then air quantity grade f can be divided into 3 grades, the span of air quantity grade f is { 1,2,3 }, wherein light air amount time all fans be in halted state, only have 1 fan to be in opening state during light breeze amount, during gentle breeze amount, whole 2 fans are all in opening state.
(4) opening and closing of fan adopt Random assignment, and when mean temperature t changes to corresponding regional extent, then the random electronic fan opened or close respective numbers, makes the air quantity flowing through cooling liquid water tank and intercooler meet setting value.
Emphasis of the present invention is just: control according to the algorithm set the quantity that fan opens or cut out after the predetermined threshold value in the temperature value of collection and built-in memory module compares by computing module.
The above, be only present pre-ferred embodiments, method of the present invention also can be used for other field, therefore scope of the invention process can not be limited with this, namely the equivalence done according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (3)
1. a controlling method for Vehicular intelligent cooling system, is characterized in that: it comprises the following steps: (1) arranges two threshold value T in the microprocessor
1and T
2-, T
1temperature range lower threshold, T
2-the upper limit threshold of temperature range, T
1span be (0, T
2-) and T
2-span be (T
1, 100); (2) according to two the threshold value T arranged in microprocessor
1, T
2-with electronic fan total quantity n(n>=2), divide temperature province and corresponding air quantity grade.
2. the controlling method of Vehicular intelligent cooling system according to claim 1, is characterized in that: being divided into of temperature province and corresponding air quantity grade in step (2): according to the highest air quantity number of degrees f
maxn+1 regional extent, wherein 0 to T is divided between 0 DEG C to 100 DEG C
1between be divided into a region, T
2-a region is divided into, T between 100
1to T
2between be divided into (f
max-2) zoning such as individual, waits subregional variable quantity △ T=(T
2--T
1)/(f
max-2), i.e. △ T=(T
2--T
1)/(n-1); N+1 region according to corresponding corresponding air quantity rank from small to large 1,2 ..., n+1}, i.e. the fan number of corresponding corresponding unlatching 0,1 ..., n}.
3. the controlling method of Vehicular intelligent cooling system according to claim 2, it is characterized in that: the opening and closing of described fan adopt Random assignment, when mean temperature t changes to corresponding regional extent, then the random electronic fan opened or close respective numbers, makes the air quantity flowing through cooling liquid water tank and intercooler meet setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307722.6A CN104912645A (en) | 2015-06-08 | 2015-06-08 | Control method of vehicular intelligent cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307722.6A CN104912645A (en) | 2015-06-08 | 2015-06-08 | Control method of vehicular intelligent cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN104912645A true CN104912645A (en) | 2015-09-16 |
Family
ID=54082032
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|---|---|---|---|
| CN201510307722.6A Pending CN104912645A (en) | 2015-06-08 | 2015-06-08 | Control method of vehicular intelligent cooling system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187597A (en) * | 2021-04-20 | 2021-07-30 | 潍柴动力股份有限公司 | Vehicle cooling system control method, controller and vehicle |
| CN113482760A (en) * | 2021-07-09 | 2021-10-08 | 潍柴动力股份有限公司 | Cooling control method, device and system based on finished automobile running road condition |
| CN113570752A (en) * | 2021-09-23 | 2021-10-29 | 江铃汽车股份有限公司 | Method, system, storage medium and equipment for calculating oil consumption requirement of engine |
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| US6415761B1 (en) * | 2000-05-11 | 2002-07-09 | Detroit Diesel Corporation | Engine over temperature protection |
| CN102383910A (en) * | 2011-07-08 | 2012-03-21 | 浙江中高动力科技股份有限公司 | Drive control system for distributed radiator of high-pressure diesel generator |
| CN202493330U (en) * | 2012-02-17 | 2012-10-17 | 扬州亚星客车股份有限公司 | Vehicle-mounted cooling system |
| CN202718743U (en) * | 2012-08-01 | 2013-02-06 | 郑州宇通客车股份有限公司 | Novel engine heat management system |
| CN103233806A (en) * | 2013-04-27 | 2013-08-07 | 长城汽车股份有限公司 | Intelligent management method for engine energy |
| CN103321735A (en) * | 2013-07-02 | 2013-09-25 | 湖南南车时代电动汽车股份有限公司 | Engine cooling method and engine cooling system device for hybrid electric buses |
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2015
- 2015-06-08 CN CN201510307722.6A patent/CN104912645A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6415761B1 (en) * | 2000-05-11 | 2002-07-09 | Detroit Diesel Corporation | Engine over temperature protection |
| CN102383910A (en) * | 2011-07-08 | 2012-03-21 | 浙江中高动力科技股份有限公司 | Drive control system for distributed radiator of high-pressure diesel generator |
| CN202493330U (en) * | 2012-02-17 | 2012-10-17 | 扬州亚星客车股份有限公司 | Vehicle-mounted cooling system |
| CN202718743U (en) * | 2012-08-01 | 2013-02-06 | 郑州宇通客车股份有限公司 | Novel engine heat management system |
| CN103233806A (en) * | 2013-04-27 | 2013-08-07 | 长城汽车股份有限公司 | Intelligent management method for engine energy |
| CN103321735A (en) * | 2013-07-02 | 2013-09-25 | 湖南南车时代电动汽车股份有限公司 | Engine cooling method and engine cooling system device for hybrid electric buses |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187597A (en) * | 2021-04-20 | 2021-07-30 | 潍柴动力股份有限公司 | Vehicle cooling system control method, controller and vehicle |
| CN113482760A (en) * | 2021-07-09 | 2021-10-08 | 潍柴动力股份有限公司 | Cooling control method, device and system based on finished automobile running road condition |
| CN113570752A (en) * | 2021-09-23 | 2021-10-29 | 江铃汽车股份有限公司 | Method, system, storage medium and equipment for calculating oil consumption requirement of engine |
| CN113570752B (en) * | 2021-09-23 | 2022-04-08 | 江铃汽车股份有限公司 | Method, system, storage medium and equipment for calculating oil consumption requirement of engine |
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Application publication date: 20150916 |
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