CN101402361A - Control method for cooling system of hybrid vehicle - Google Patents
Control method for cooling system of hybrid vehicle Download PDFInfo
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- CN101402361A CN101402361A CNA2008101809639A CN200810180963A CN101402361A CN 101402361 A CN101402361 A CN 101402361A CN A2008101809639 A CNA2008101809639 A CN A2008101809639A CN 200810180963 A CN200810180963 A CN 200810180963A CN 101402361 A CN101402361 A CN 101402361A
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- inv
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- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000012530 fluid Substances 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 9
- 239000002826 coolant Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Hybrid Electric Vehicles (AREA)
Abstract
The invention relates to a method for controlling a cooling system of a hybrid vehicle, which can reasonably control operating conditions of an electronic water pump and a fan, guarantee that the system is operated within a high-efficiency section, and guarantee the safety of the system. The method for controlling the cooling system of the hybrid vehicle adopts the technical proposal that the electronic water pump, a motor water jacket, a hybrid controller and a radiator form a loop; the electronic water pump makes a liquid coolant flow in the loop; and the fan performs heat dissipation on the liquid coolant which flows through the radiator. The method for controlling the cooling system of the hybrid vehicle is characterized in that a control module of the cooling system controls the on/off of the electronic water pump and the fan according to the temperature of a motor stator and the temperature of an inverter in the hybrid controller.
Description
Technical field
The present invention relates to a kind of control method of cooling system of hybrid vehicle.
Background technology
Social development is to present stage, becomes at energy shock and environmental pollution under the situation of significant obstacle of global evolution, and the energy-conserving and environment-protective product becomes the hot issue of all trades and professions.In the auto trade, people are devoted to the development and the exploitation of clean environment firendly vehicle electric automobile more when fuel-engined vehicle is improved in raising.Hybrid vehicle and pure electric automobile are day by day paid close attention to by people, but the propulsion source-power battery pack of electronlmobil is the highest part of car production cost, it also is the key factor of restriction electronlmobil continual mileage, the pure electric automobile that depends on battery development is not to a great extent obtained important breakthrough in the evolutions of decades in the past, and hybrid vehicle is taken into account the advantage of combustion engine and pure electric automobile, has low oil consumption, anti-emission carburetor, advantages such as long travelled distance, being the emphasis that present auto vendor all over the world pays close attention to, also is the comparison realistic plan.
The normal parallel structure that adopts of moderate hybrid power has two propulsions source at present, driving engine and motor, the power source motor of hybrid controller HCU and increase is the hybrid power parts, because hybrid power system parts motor and controller can produce a large amount of heats in the course of the work, accumulation of heat causes temperature to rise, when temperature is higher than the parts normal range of operation, the work efficiency of motor and controller descends along with the rising of temperature, influence the performance and the safety of hybrid power system itself and Full Vehicle System, cause system effectiveness low and bring potential safety hazard.Be provided with the cooling system of hybrid power at these problems, the main cooling-part of cooling system comprises electronic water pump and fan, and the control of cooling system will influence the performance and the safety of system.
Summary of the invention
The object of the invention is to provide a kind of control method of cooling system of hybrid vehicle, can rationally control the mode of operation of electronic water pump and fan, guarantees that system works between high efficient area, guarantees the safety of system.
Realize the object of the invention technical scheme:
A kind of control method of cooling system of hybrid vehicle, electronic water pump, motor water jacket, hybrid controller, radiator form loop, electronic water pump flows refrigerant fluid in loop, fan dispels the heat to the refrigerant fluid of the radiator part of flowing through, it is characterized in that: the cooling system control module is controlled opening or closing of electronic water pump and fan according to the inverter temperature in motor stator temperature and the hybrid controller.
When the cooling system control module was received the shutdown request, cooling system control module control electronic water pump and fan were closed.
When the cooling system control module is not received the request of shutdown; when mistake appears in cooling system; the wrong control module of hybrid controller sends to the cooling system control module with the mis-information that detects, and cooling system control module control electronic water pump and fan are opened.
When the cooling system normal operation, the cooling system control module realizes the control to electronic water pump in the following manner according to the inverter temperature in motor stator temperature and the hybrid controller: in the process that temperature rises: work as T
Emot＞T
Emot_pump_ONPerhaps T
Inv＞T
Inv_pump_ON, cooling system control module control electronic water pump is opened T
EmotBe motor stator temperature, T
Emot_pump_ONFor the needs of setting are opened the motor stator temperature threshold values of electronic water pump, T
InvBe inverter temperature, T
Inv_pump_ONOpen the inverter temperature threshold values of electronic water pump for the needs of setting; In the process that temperature descends: work as T
Emot＜T
Emot_pump_OFFAnd T
Inv＜T
Inv_pump_OFF, cooling system control module control electronic water pump is closed T
EmotBe motor stator temperature, T
Emot_pump_OFFFor the needs of setting are closed the motor stator temperature threshold values of electronic water pump, T
InvBe inverter temperature, T
Inv_pump_OFFClose the inverter temperature threshold values of electronic water pump for the needs of setting.
The cooling system control module realizes the control to fan in the following manner according to the inverter temperature in motor stator temperature and the hybrid controller: in the process that temperature rises: work as T
Emot＞T
Emot_fan_ONPerhaps T
Inv＞T
Inv_fan_ON, fan, T are opened in the control of cooling system control module
EmotBe motor stator temperature, T
Emot_fan_ONFor the needs of setting are opened the motor stator temperature threshold values of fan, T
InvBe inverter temperature, T
Inv_fan_ONOpen the inverter temperature threshold values of fan for the needs of setting; In the process that temperature descends: work as T
Emot＜T
Emot_fan_OFFAnd T
Inv＜T
Inv_fan_OFF, fan, T are closed in the control of cooling system control module
EmotBe motor stator temperature, T
Emot_fan_OFFFor the needs of setting are closed the motor stator temperature threshold values of fan, T
InvBe inverter temperature, T
Inv_fan_OFFClose the inverter temperature threshold values of fan for the needs of setting.
T
Emot_pump_ON＞T
Emot_pump_OFF, T
Inv_pump_ON＞T
Inv_pump_OFF, T
Emot_fan_ON＞T
Emot_fan_OFF, T
Inv_fan_ON＞T
Inv_fan_OFF, the difference range between aforementioned every group two parameter is the 4-6 degree.
T
emot_pump_ON＜T
emot_fan_ON，T
inv_pump_ON＜T
inv_fan_ON。
The motor stator temperature is gathered by the motor stator temperature sensor, and the inverter temperature is gathered by the inverter temperature sensor, and the signal of collection is sent to the cooling system control module.
The beneficial effect that the present invention has:
The present invention takes into account the error condition of state of the system, hybrid power parts, the mode of operation that utilizes motor stator temperature in the hybrid power system and inverter temperature to control cooling-part, motor temperature and hybrid controller temperature are controlled between 25 ℃ to 80 ℃ of the normal temperature, guarantee that system works between high efficient area, guarantees the safety of system.
When system is wrong when occurring, no matter whether temperature conditions satisfies, and all requires to open the safety with the assurance system of electronic water pump and fan.When system's inerrancy fault, utilize temperature to control the cooling-part mode of operation, do not need electronic water pump and fan work when temperature is low, so that save electric energy and reduce the front deck noise.Work as temperature build-up, open electronic water pump earlier according to the actual temperature situation when condition satisfies, along with fan is opened in the rising of temperature again, the cooling that can satisfy system like this requires and can make rational use of resources.
Description of drawings
Fig. 1 is the mixed power system structure scheme drawing;
Fig. 2 is the electronic water pump control flow chart;
Fig. 3 is the Fan Control diagram of circuit.
The specific embodiment
As shown in Figure 1, electronic water pump 1, motor water jacket 2, hybrid controller 3, radiator 4 forms loops, and electronic water pump flows refrigerant fluid in loop, and the flow through refrigerant fluid of radiator part of 5 pairs in fan is done further cooling, and refrigerant fluid is injected by inlet 6.
As Fig. 2, shown in Figure 3, the cooling system control module is controlled opening or closing of electronic water pump and fan according to the inverter temperature in motor stator temperature and the hybrid controller.
The motor stator temperature is gathered by the motor stator temperature sensor, and the inverter temperature is gathered by the inverter temperature sensor, and the signal of collection is sent to fault handling module and the cooling system control module among the hybrid controller HCU.
The most important condition of electronic water pump and fan work is that system is normal, does not shut down request.When there was the request of shutdown in system, cooling system control module control electronic water pump and fan were closed.
Satisfying under the normal condition of system, the fault handling module of hybrid controller is monitored electronic water pump, inverter and whole hybrid power cooling system, when in above-mentioned three signals any one spurious signal being arranged, the wrong control module of hybrid controller sends to the cooling system control module with the mis-information that detects, cooling system control module control electronic water pump and fan are opened, and guarantee security of system.
System is normal when satisfying, under the condition of error-free information, the cooling system control module realizes the control to electronic water pump in the following manner according to the inverter temperature in motor stator temperature and the hybrid controller:
In the process that temperature rises: work as T
Emot＞T
Emot_pump_ONPerhaps T
Inv＞T
Inv_pump_ON, cooling system control module control electronic water pump is opened T
EmotBe motor stator temperature, T
Emot_pump_ONFor the needs of setting are opened the motor stator temperature threshold values of electronic water pump, T
InvBe inverter temperature, T
Inv_pump_ONOpen the inverter temperature threshold values of electronic water pump for the needs of setting;
In the process that temperature descends: work as T
Emot＜T
Emot_pump_OFFAnd T
Inv＜T
Inv_pump_OFF, cooling system control module control electronic water pump is closed T
EmotBe motor stator temperature, T
Emot_pump_OFFFor the needs of setting are closed the motor stator temperature threshold values of electronic water pump, T
InvBe inverter temperature, T
Inv_pump_OFFClose the inverter temperature threshold values of electronic water pump for the needs of setting.
Wherein, T
Emot_pump_ON＞T
Emot_pump_OFF, T
Inv_pump_ON＞T
Inv_pump_OFF, to demarcate variate-value for these four and can demarcate modification by the actual data that record, it is in order to prevent that electronic water pump from frequently being opened or closed near critical value that the scalar quantity relation is set like this.For example: only set a switch value T, suppose under the prerequisite of other limiting condition to the water pump did not influence, when the motor stator temperature is higher than T, the electronic water pump responsive control signal requires to start working, the temperature of pump working after cooling pipeline the inside can decrease, and reduces immediately, as long as be lower than the T value, control signal just makes water pump close, and so causes the stability of frequently opening and closing the system of influence.
The cooling system control module realizes the control to fan in the following manner according to the inverter temperature in motor stator temperature and the hybrid controller:
In the process that temperature rises: work as T
Emot＞T
Emot_fan_ONPerhaps T
Inv＞T
Inv_fan_ON, fan, T are opened in the control of cooling system control module
EmotBe motor stator temperature, T
Emot_fan_ONFor the needs of setting are opened the motor stator temperature threshold values of fan, T
InvBe inverter temperature, T
Inv_fan_ONOpen the inverter temperature threshold values of fan for the needs of setting;
In the process that temperature descends: work as T
Emot＜T
Emot_fan_OFFAnd T
Inv＜T
Inv_fan_OFF, fan, T are closed in the control of cooling system control module
EmotBe motor stator temperature, T
Emot_fan_OFFFor the needs of setting are closed the motor stator temperature threshold values of fan, T
InvBe inverter temperature, T
Inv_fan_OFFClose the inverter temperature threshold values of fan for the needs of setting.
Wherein, T
Emot_fan_ON＞T
Emot_fan_OFF, T
Inv_fan_ON＞T
Inv_fan_OFF, to demarcate variate-value for these four and can demarcate modification by the actual data that record, it is in order to prevent that fan from frequently being opened or closed near critical value that these scalar quantity relations are provided with.
When temperature is low, do not need to open cooling-part, when the motor stator temperature rises to T
Emot_pump_ON(40 ℃-50 ℃) or inverter temperature rise to T
Inv_pump_ON(50 ℃-60 ℃) open electronic water pump.Can satisfy the cooling performance fan under the condition of electronic water pump work does not open.When the motor stator temperature rises to T
Emot_fan_ON(50 ℃-60 ℃) or inverter temperature rise to T
Inv_fan_ONOpen fan when (70 ℃-80 ℃), this moment, electronic water pump and fan were worked simultaneously, made the cooling performance of hybrid power cooling system reach optimum.
T
Emot_pump_ON＜T
Emot_fan_ON, T
Inv_pump_ON＜T
Inv_fan_ON, the temperature value that electronic water pump is opened is lower than the temperature value that fan is opened, and makes cooling effectiveness higher.Carry out interchange of heat because fan operation is the refrigerant fluid to the radiator of flowing through, thus when electronic water pump work refrigerant fluid work efficiency of fan in process of flowing higher.
T
Emot_pump_ONWith T
Emot_pump_OFF, T
Inv_pump_ONWith T
Inv_pump_OFF, T
Emot_fan_ONWith T
Emot_fan_OFF, T
Inv_fan_ONWith T
Inv_fan_OFF, the difference range between aforementioned every group two parameter is 5 degree, has so not only guaranteed to leave certain surplus but also can open or close cooling-part in due course, saves energy reduction front deck noise under the prerequisite that guarantees security of system to reach.
Claims (8)
1, a kind of control method of cooling system of hybrid vehicle, electronic water pump, motor water jacket, hybrid controller, radiator form loop, electronic water pump flows refrigerant fluid in loop, fan dispels the heat to the refrigerant fluid of the radiator part of flowing through, it is characterized in that: the cooling system control module is controlled opening or closing of electronic water pump and fan according to the inverter temperature in motor stator temperature and the hybrid controller.
2, the control method of cooling system of hybrid vehicle according to claim 1 is characterized in that: when the cooling system control module was received the shutdown request, cooling system control module control electronic water pump and fan were closed.
3, the control method of cooling system of hybrid vehicle according to claim 2; it is characterized in that: when the cooling system control module is not received the request of shutdown; when mistake appears in cooling system; the wrong control module of hybrid controller sends to the cooling system control module with the mis-information that detects, and cooling system control module control electronic water pump and fan are opened.
4, the control method of cooling system of hybrid vehicle according to claim 3 is characterized in that:
When the cooling system normal operation, the cooling system control module realizes the control to electronic water pump in the following manner according to the inverter temperature in motor stator temperature and the hybrid controller:
In the process that temperature rises: work as T
Emot＞T
Emot_pump_ONPerhaps T
Inv＞T
Inv_pump_ON, cooling system control module control electronic water pump is opened T
EmotBe motor stator temperature, T
Emot_pump_ONFor the needs of setting are opened the motor stator temperature threshold values of electronic water pump, T
InvBe inverter temperature, T
Inv_pump_ONOpen the inverter temperature threshold values of electronic water pump for the needs of setting;
In the process that temperature descends: work as T
Emot＜T
Emot_pump_OFFAnd T
Inv＜T
Inv_pump_OFF, cooling system control module control electronic water pump is closed T
EmotBe motor stator temperature, T
Emot_pump_OFFFor the needs of setting are closed the motor stator temperature threshold values of electronic water pump, T
InvBe inverter temperature, T
Inv_pump_OFFClose the inverter temperature threshold values of electronic water pump for the needs of setting.
5, the control method of cooling system of hybrid vehicle according to claim 4 is characterized in that:
The cooling system control module realizes the control to fan in the following manner according to the inverter temperature in motor stator temperature and the hybrid controller:
In the process that temperature rises: work as T
Emot＞T
Emot_fan_ONPerhaps T
Inv＞T
Inv_fan_ON, fan, T are opened in the control of cooling system control module
EmotBe motor stator temperature, T
Emot_fan_ONFor the needs of setting are opened the motor stator temperature threshold values of fan, T
InvBe inverter temperature, T
Inv_fan_ONOpen the inverter temperature threshold values of fan for the needs of setting;
In the process that temperature descends: work as T
Emot＜T
Emot_fan_OFFAnd T
Inv＜T
Inv_fan_OFF, fan, T are closed in the control of cooling system control module
EmotBe motor stator temperature, T
Emot_fan_OFFFor the needs of setting are closed the motor stator temperature threshold values of fan, T
InvBe inverter temperature, T
Inv_fan_OFFClose the inverter temperature threshold values of fan for the needs of setting.
6, the control method of cooling system of hybrid vehicle according to claim 5 is characterized in that:
T
Emot_pump_ON＞T
Emot_pump_OFF, T
Inv_pump_ON＞T
Inv_pump_OFF, T
Emot_fan_ON＞T
Emot_fan_OFF, T
Inv_fan_ON＞T
Inv_fan_OFF, the difference range between aforementioned every group two parameter is the 4-6 degree.
7, the control method of cooling system of hybrid vehicle according to claim 6 is characterized in that: T
Emot_pump_ON＜T
Emot_fan_ON, T
Inv_pump_ON＜T
Inv_fan_ON
8, the control method of cooling system of hybrid vehicle according to claim 7, it is characterized in that: the motor stator temperature is gathered by the motor stator temperature sensor, the inverter temperature is gathered by the inverter temperature sensor, and the signal of collection is sent to the cooling system control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101809639A CN101402361A (en) | 2008-11-20 | 2008-11-20 | Control method for cooling system of hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101809639A CN101402361A (en) | 2008-11-20 | 2008-11-20 | Control method for cooling system of hybrid vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101402361A true CN101402361A (en) | 2009-04-08 |
Family
ID=40536557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101809639A Pending CN101402361A (en) | 2008-11-20 | 2008-11-20 | Control method for cooling system of hybrid vehicle |
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| Country | Link |
|---|---|
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850713A (en) * | 2010-03-31 | 2010-10-06 | 重庆长安汽车股份有限公司 | Water-cooled motor controller of hybrid electric vehicle |
| CN101879859A (en) * | 2010-06-11 | 2010-11-10 | 奇瑞汽车股份有限公司 | Electric vehicle cooling system and control method thereof |
| CN102087150A (en) * | 2010-11-25 | 2011-06-08 | 奇瑞汽车股份有限公司 | Electric automobile motor temperature sensor system and detection method thereof |
| CN102205843A (en) * | 2010-03-30 | 2011-10-05 | 现代自动车株式会社 | Apparatus for controlling electric water pump of hybrid vehicle and method thereof |
| CN102297142A (en) * | 2011-07-29 | 2011-12-28 | 奇瑞汽车股份有限公司 | Electronic water pump for vehicle |
| CN102297009A (en) * | 2011-07-22 | 2011-12-28 | 奇瑞汽车股份有限公司 | Hybrid vehicle-cooling system |
| CN103362622A (en) * | 2012-03-29 | 2013-10-23 | 广西玉柴机器股份有限公司 | Engine cooling circulating system |
| CN103904384A (en) * | 2013-12-20 | 2014-07-02 | 浙江吉利控股集团有限公司 | Cooling control method for vehicle-mounted power battery of hybrid electric vehicle |
| CN105383284A (en) * | 2014-09-05 | 2016-03-09 | 现代自动车株式会社 | Integrated cooling system control method |
| CN105579315A (en) * | 2013-09-27 | 2016-05-11 | 日产自动车株式会社 | Hybrid vehicle |
| CN106208850A (en) * | 2014-11-17 | 2016-12-07 | 现代自动车株式会社 | For improving the apparatus and method of the efficiency of for motor vehicle alternating current generator |
| CN109466314A (en) * | 2018-11-23 | 2019-03-15 | 汽解放汽车有限公司 | A kind of pure electric vehicle commercial vehicle cooling system and control method |
| CN111572745A (en) * | 2019-11-28 | 2020-08-25 | 中船重工海为郑州高科技有限公司 | Intelligent water-cooling control system and control method for electric ship |
| CN113581161A (en) * | 2021-08-30 | 2021-11-02 | 奇瑞汽车股份有限公司 | Control method and device for electric oil pump and storage medium |
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2008
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| CN102205843A (en) * | 2010-03-30 | 2011-10-05 | 现代自动车株式会社 | Apparatus for controlling electric water pump of hybrid vehicle and method thereof |
| CN102205843B (en) * | 2010-03-30 | 2015-12-09 | 现代自动车株式会社 | For controlling the devices and methods therefor of electric water pump of hybrid vehicle |
| CN101850713A (en) * | 2010-03-31 | 2010-10-06 | 重庆长安汽车股份有限公司 | Water-cooled motor controller of hybrid electric vehicle |
| CN101879859A (en) * | 2010-06-11 | 2010-11-10 | 奇瑞汽车股份有限公司 | Electric vehicle cooling system and control method thereof |
| CN101879859B (en) * | 2010-06-11 | 2012-10-03 | 奇瑞汽车股份有限公司 | Control method of electric vehicle cooling system |
| CN102087150B (en) * | 2010-11-25 | 2013-07-17 | 奇瑞汽车股份有限公司 | Detection method of electric automobile motor temperature sensor system |
| CN102087150A (en) * | 2010-11-25 | 2011-06-08 | 奇瑞汽车股份有限公司 | Electric automobile motor temperature sensor system and detection method thereof |
| CN102297009A (en) * | 2011-07-22 | 2011-12-28 | 奇瑞汽车股份有限公司 | Hybrid vehicle-cooling system |
| CN102297142A (en) * | 2011-07-29 | 2011-12-28 | 奇瑞汽车股份有限公司 | Electronic water pump for vehicle |
| CN103362622A (en) * | 2012-03-29 | 2013-10-23 | 广西玉柴机器股份有限公司 | Engine cooling circulating system |
| CN105579315A (en) * | 2013-09-27 | 2016-05-11 | 日产自动车株式会社 | Hybrid vehicle |
| CN105579315B (en) * | 2013-09-27 | 2017-08-25 | 日产自动车株式会社 | Motor vehicle driven by mixed power |
| CN103904384A (en) * | 2013-12-20 | 2014-07-02 | 浙江吉利控股集团有限公司 | Cooling control method for vehicle-mounted power battery of hybrid electric vehicle |
| CN103904384B (en) * | 2013-12-20 | 2016-02-17 | 科力远混合动力技术有限公司 | A kind of cooling control method of hybrid vehicle vehicle mounted dynamic battery |
| CN105383284A (en) * | 2014-09-05 | 2016-03-09 | 现代自动车株式会社 | Integrated cooling system control method |
| CN106208850A (en) * | 2014-11-17 | 2016-12-07 | 现代自动车株式会社 | For improving the apparatus and method of the efficiency of for motor vehicle alternating current generator |
| CN109466314A (en) * | 2018-11-23 | 2019-03-15 | 汽解放汽车有限公司 | A kind of pure electric vehicle commercial vehicle cooling system and control method |
| CN109466314B (en) * | 2018-11-23 | 2023-10-24 | 一汽解放汽车有限公司 | Cooling system and control method for pure electric commercial vehicle |
| CN111572745A (en) * | 2019-11-28 | 2020-08-25 | 中船重工海为郑州高科技有限公司 | Intelligent water-cooling control system and control method for electric ship |
| CN113581161A (en) * | 2021-08-30 | 2021-11-02 | 奇瑞汽车股份有限公司 | Control method and device for electric oil pump and storage medium |
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