CN106837652B - A kind of vehicle fuel auxiliary heating system and its control method - Google Patents
A kind of vehicle fuel auxiliary heating system and its control method Download PDFInfo
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- CN106837652B CN106837652B CN201710251729.XA CN201710251729A CN106837652B CN 106837652 B CN106837652 B CN 106837652B CN 201710251729 A CN201710251729 A CN 201710251729A CN 106837652 B CN106837652 B CN 106837652B
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- ecu
- fuel oil
- detection device
- auxiliary heater
- solenoid valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00828—Ventilators, e.g. speed control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- 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
-
- 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
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
-
- 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
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
-
- 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
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/08—Cabin heater
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to a kind of vehicle fuel auxiliary heating system and its control methods.Mainly solves the low efficiency problem of the discomfort of cockpit and engine cold-start under winter low temperature environment, fuel oil auxiliary heater gives cockpit and engine to heat respectively, cockpit and engine is made to be rapidly heated in the automobile cold start stage.Control fuel oil auxiliary heat cycles coolant liquid work is mainly technically characterized by nucleate boiling region, improves heating efficiency.The main advantage of the present invention is in nucleate boiling region, be optimal heat exchange efficiency, reduce pump damage, and auxiliary heater heat can be made more uniform, reduce hot inhomogeneities and endanger auxiliary heater bring fuel oil auxiliary heat cycles coolant liquid control.
Description
Technical field
The present invention relates to automotive thermal tubes to manage field, in particular to a kind of vehicle fuel auxiliary heating system and its controlling party
Method.
Background technique
In high latitude area, when automobile is parked for a long time, vehicle temperature can be very low.When cold-starting automobile, engine mill
Damage can be very serious, and interior too low temperature also can bring sense of discomfort to driver.Therefore using auxiliary heater come
Vehicle is set to be rapidly heated.But orthodox car auxiliary heating system can be increased and be followed when coolant liquid is heated to preset temperature
Ring pump power increases coolant rate, makes temperature that balance be kept no longer to rise, but coolant liquid is still in single-phase convection at this time
In the heat transfer stage, heat exchange efficiency is low, and pump damage is larger.And conventional fuel oil auxiliary heating system still drives in preferential heated engine
All it is that system is pre-set in terms of cabin, lacks flexibility.
Summary of the invention
The technical issues of present invention devises a kind of vehicle fuel auxiliary heating system and its control method, solves be
How the use aspect of auxiliary heater selects preferential heating target for greater flexibility, and keeps heating process more energy-efficient.
In order to solve above-mentioned technical problem, present invention employs following scheme:
A kind of vehicle fuel auxiliary heating system and its control method, including fuel oil auxiliary heater 3, electronic pump 1, bubble
Detection device 7, service tank 6, radiator 1, radiator 29, fan 8, ECU4, temperature sensor include 2,11,15, electricity
Magnet valve includes 12,17,19,20, equilibrated valve 5, baffle 21 and other cooling system of vehicle basic configuration.The fuel oil auxiliary
Heater is used for heated cooling fluid；For driving coolant liquid, electronics pump power is controlled the electronic pump by ECU；The bubble inspection
It surveys device and is used to detect and judge whether nucleate boiling region is in by the coolant liquid of fuel oil auxiliary heater；The service tank
For providing fuel to fuel oil auxiliary heater；The baffle is for guiding hot-air flow direction；The fan will be for that will dissipate
Hot device one and two heat of radiator blow to cockpit, accelerate heat exchange；The temperature sensor be respectively used to monitoring coolant liquid,
The temperature of cockpit and engine, and signal is transmitted to ECU；The solenoid valve is connected and is closed for control piper；The pressure
Dynamic balance valve, by the raised pressure of ebuillition of heated institute, maintains environment under low pressure for coolant liquid in autobalance pipeline；The ECU
For receiving temperature sensor and bubble detection device signal, issues and instructs to electronic pump, solenoid valve and fan after being handled,
The power of electronic pump and fan and the closure or openness of solenoid valve are controlled, ECU controls electricity by the former automobile electrically-controlled bus of access
Son pump, fan and solenoid valve.
Further, circulation one and circulation three use different radiators, are radiator one and radiator two respectively.
Further, all solenoid valves, bubble detection device and all temperature sensors share an ECU.
The vehicle fuel auxiliary heating system and its control method have the advantages that
(1) present invention is independently arranged fuel oil assisted heating device, allows and uses up in high latitude area cold winter vehicle
Fast heating reduces the abrasion of engine cold-start and reduces discharge, can also improve human body comfort.
(2) present invention provides both of which selection, can be according to the preferential heating target of driver's demand flexible choice, more
Add hommization, there is interest.
(3) by fuel oil auxiliary heat cycles coolant liquid control in nucleate boiling region, with the coolant rate of very little
Reach good heat transfer effect, be optimal heat exchange efficiency, need electronics pump power small, reduces pump damage, and can make auxiliary
It helps heater heat more uniform, reduces the negative effect of hot inhomogeneities.
(4) present invention is seldom to the change of original vehicle heat management system, and improvement cost is low.
Detailed description of the invention
Fig. 1: component of the present invention connects block diagram.Circulation one indicates engine partial circulating, engine systemic circulation in figure
It does not indicate in this figure.
Fig. 2: mode selection schematic diagram of the present invention.Mode one indicates preferential heated engine；Mode two indicates preferentially to heat
Cockpit.
Fig. 3: cooling system partial transectional of the present invention face simplified diagram.
In figure: 1- electronic pump 2- temperature sensor 3- fuel oil auxiliary heater 4-ECU 5- equilibrated valve 6- auxiliary
Two 10- cockpit 11- temperature sensor 12- solenoid valve 13- of fuel tank 7- bubble detection device 8- fan 9- radiator is mended
Repay one 19- solenoid valve of water tank 14- water circulating pump 15- temperature sensor 16- engine 17- solenoid valve 18- radiator
20- solenoid valve 21- baffle
Specific embodiment
1,2,3 pair of invention further illustrates with reference to the accompanying drawing.
A kind of vehicle fuel auxiliary heating system and its control method, including fuel oil auxiliary heater 3, electronic pump 1, bubble
Detection device 7, service tank 6, radiator 1, radiator 29, fan 8, ECU4, temperature sensor include 2,11,15, electricity
Magnet valve includes 12,17,19,20, equilibrated valve 5, baffle 21 and other cooling system of vehicle basic configuration.The fuel oil auxiliary
Heater 3 is used for heated cooling fluid；For driving coolant liquid, 1 power of electronic pump is controlled the electronic pump 1 by ECU4；The gas
Bubble detection device 7 is used to detect judgement and whether is in nucleate boiling region by the coolant liquid of fuel oil auxiliary heater 3；It is described auxiliary
Help fuel tank 6 for providing fuel to fuel oil auxiliary heater 3；The fan 8 is for blowing radiator one and two heat of radiator
To cockpit 10, accelerate heat exchange；The temperature sensor 2,11 and 15 is respectively used to monitoring coolant liquid, cockpit 10 and hair
The temperature of motivation 16, and signal is transmitted to ECU4；The solenoid valve 12,17,19,20 is connected and is closed for control piper；Institute
Equilibrated valve 5 is stated for coolant liquid in autobalance pipeline by the raised pressure of ebuillition of heated institute, maintains environment under low pressure；Institute
Baffle is stated for guiding hot-air flow direction；The ECU4 is for receiving temperature sensor 2,11,15 and bubble detection device 7
Signal is issued to electronic pump 1, solenoid valve 13,19,21,22 and fan 8 after being handled and is instructed, and controls electronic pump and fan
The closure or openness of power and solenoid valve, all ECU control electronic pump, fan and electromagnetism by the former automobile electrically-controlled bus of access
Valve.
Further, circulation one and circulation two use different radiators, are radiator one and radiator two respectively.
Further, all solenoid valves, bubble detection device, temperature sensor and control in need component share one
A ECU.
When vehicle cold-start, driver is according to self-demand selection mode one or mode two, i.e., preferential heating hair
Motivation 16 or preferential heating cockpit 10.If driver forgets to select, system default is mode one, i.e., preferential heating hair
Motivation 16.The work step of whole system is described for two in mode herein.
When selection mode two, engine 16 and fuel oil auxiliary heater 3 start simultaneously, and solenoid valve 12 and solenoid valve 19 close
It closing, solenoid valve 17 and solenoid valve 20 are opened, and engine 16 and fuel oil auxiliary heater 3 carry out circulation one and circulation three respectively, this
When baffle 21 beaten by ECU4 control in position three, only radiator 29 is to 10 heat supply of cockpit.Because circulation three is cooling at this time
Liquid is colder, so fan 8 is in close state, has not only reduced the discomfort of human body, but also coolant liquid can be made to be rapidly heated.Hair
Motivation water circulating pump 14 sets Power operation with former vehicle, and the present invention does not control.Fuel oil auxiliary heater electronic pump 1 is with setting
Minimum power operation, this power can guarantee that three coolant liquids of circulation can be circulated, is unlikely to region coolant temperature mistake
Height reduces hot inhomogeneities bring harm.
When three coolant liquids of circulation reach set temperature, fan 8 is opened, to set power work.In turn, when circulation three is cold
But when liquid rises to higher temperature, nucleate boiling starts to occur, and bubble detection device 7 passes real-time Air Bubble Size and number signal
ECU4 is passed, ECU4 analysis signal determines nucleate boiling particular state, and then adjusts 1 power of electronic pump and 8 power of fan, respectively
Three coolant rate size of control loop and warm wind intensity, when nucleate boiling reaches setting regions, maintain 1 power of electronic pump and
8 power invariability of fan, circulating three-dimensional holds the operation of this operating condition at this time.To prevent from causing to recycle due to 7 failure of bubble detection device
Three COOLANT TEMPERATUREs, the temperature sensor 2 before fuel oil auxiliary heater 3 plays the role of monitoring, when coolant temperature is more than
It when setting maximum temperature, is monitored by temperature sensor 2, pass to ECU4, ECU4 adjusts 1 power of electronic pump and 8 power of fan
Increase, reduces coolant temperature.Then ECU4 sends warning signal, and reports 7 failure of bubble detection device.
In turn, it may appear that two kinds of situations, situation one: 10 temperature of cockpit takes the lead in reaching setting value than 16 temperature of engine；
Situation two: 16 temperature of engine takes the lead in reaching setting value than 10 temperature of cockpit.Description is next whole for this sentences situation two
The work step of a system.
When 16 temperature of engine takes the lead in reaching setting value than 10 temperature of cockpit, solenoid valve 12 and solenoid valve 19 are closed,
Solenoid valve 17 and solenoid valve 20 are opened, and baffle 21 is beaten by ECU4 control in position two, and engine 16 and fuel oil auxiliary add at this time
Hot device 3 heats to cockpit 10 simultaneously.When 10 temperature of cockpit reaches setting value, fuel oil auxiliary heater 3 is closed, solenoid valve
12, solenoid valve 19 and solenoid valve 20 are closed, and baffle 21 is beaten by ECU4 control in position two, and three waste heats of circulation are made full use of,
Fan 8 maintains 10 temperature of cockpit constant to set power work.
Mode one and the difference of mode two are: coolant circuit preferentially carries out circulation one and circulation two in mode two,
Fan 8 is not turned on, i.e., not to 10 heat supply of cockpit.When 16 temperature of engine rises to set temperature, coolant circuit is carried out
Circulation one and circulation three, fan 8 to set power unlatching, beaten by ECU4 control in position two, engine 16 and combustion by baffle 21
Oily auxiliary heater 3 heats to cockpit 10 simultaneously, until 10 temperature of cockpit reaches setting value, fuel oil auxiliary heater 3 is closed
It closes.
Claims (4)
1. a kind of vehicle fuel auxiliary heating system, it is characterised in that: including fuel oil auxiliary heater (3), electronic pump (1), gas
It steeps detection device (7), service tank (6), radiator one (18), radiator two (9), fan (8), ECU (4), temperature sensor
Including (2), (11), (15), solenoid valve includes (12), (17), (19), (20), equilibrated valve (5), baffle (21)；System is set
Circulation loop there are three setting recycles one, circulation two, circulation three；Circulation one in electronic pump (1), fuel oil auxiliary heater (3),
Bubble detection device (7), radiator two (9), equilibrated valve (5), solenoid valve (20), electronic pump (1) are sequentially connected in series and close
Close circuit；Electronic pump (1), fuel oil auxiliary heater (3), bubble detection device (7), solenoid valve (12), solenoid valve in circulation two
(17), solenoid valve (19), electronic pump (1) are sequentially connected in series closed circuit；Water circulating pump (14), engine in circulation three
(16), radiator one (18), solenoid valve (17), water circulating pump (14) are sequentially connected in series closed circuit；Electronic pump (1) and fuel oil
Auxiliary heater (3) intermediate duct is provided with temperature sensor (2), and the signal of temperature sensor (2) is transferred to ECU (4), bubble
Detection device (7) signal reaches ECU (4), and the control signal of ECU (4) reaches electronic pump (1)；
All solenoid valves (12), (17), (19), (20), bubble detection device (7) and all temperature sensors (2), (11),
(15) ECU (4) is shared, the ECU (4) is provided with the mode one of preferential heated engine (16) and preferentially heats cockpit
(10) program of mode two；
The equilibrated valve is used for the pressure rise caused by ebuillition of heated of autobalance coolant liquid, maintains coolant liquid low
Pressure condition.
2. a kind of vehicle fuel auxiliary heating system according to claim 1, it is characterised in that: fuel oil auxiliary heater is used for
Heated cooling fluid；Bubble detection device is used to detect judgement and whether is in nucleate boiling by the coolant liquid of fuel oil auxiliary heater
Region.
3. a kind of control method of vehicle fuel auxiliary heating system as claimed in claim 1 or 2, it is characterised in that: including
Following steps: when recycle there is nucleate boiling in three coolant liquids when, bubble detection device is by real-time Air Bubble Size and number signal
ECU is passed to, ECU analysis signal determines nucleate boiling particular state, and then ECU adjusts electronics pump power and fan power, point
It Kong Zhi not coolant rate size and warm wind intensity.
4. a kind of control method of vehicle fuel auxiliary heating system according to claim 3, it is characterised in that: including following
Step: when bubble detection device failure causes coolant temperature to be more than default maximum temperature, by temperature sensor (2)
It monitors, signal is then passed to ECU, and ECU processing signal simultaneously adjusts electronics pump power and fan power increase, reduces cooling
Liquid temperature, then ECU sends warning signal, and reports bubble detection device failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251729.XA CN106837652B (en) | 2017-04-18 | 2017-04-18 | A kind of vehicle fuel auxiliary heating system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251729.XA CN106837652B (en) | 2017-04-18 | 2017-04-18 | A kind of vehicle fuel auxiliary heating system and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837652A CN106837652A (en) | 2017-06-13 |
| CN106837652B true CN106837652B (en) | 2019-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710251729.XA Active CN106837652B (en) | 2017-04-18 | 2017-04-18 | A kind of vehicle fuel auxiliary heating system and its control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106837652B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942359B (en) * | 2020-07-16 | 2023-07-11 | 上海汽车集团股份有限公司 | Vehicle air conditioner waste heat utilization method and system |
| CN111948259A (en) * | 2020-07-31 | 2020-11-17 | 一汽解放汽车有限公司 | Detection method and detection device for vehicle coolant and vehicle |
| CN114575984B (en) * | 2020-11-30 | 2023-10-03 | 上海汽车集团股份有限公司 | Engine thermal management control method and control unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1993242A (en) * | 2004-08-16 | 2007-07-04 | 斯堪尼亚有限公司 | Method and arrangement for cooling |
| CN201125806Y (en) * | 2007-10-23 | 2008-10-01 | 陈新华 | Diesel oil intelligent heaters |
| CN101603450A (en) * | 2008-06-10 | 2009-12-16 | 迪尔公司 | Nucleate boiling cooling system and method |
| CN202468129U (en) * | 2012-02-08 | 2012-10-03 | 徐工集团工程机械股份有限公司科技分公司 | Multifunctional fuel oil preheating cold starting device |
| CN205779415U (en) * | 2016-06-22 | 2016-12-07 | 北京京威汽车设备有限公司 | Fuel heater control system and fuel heating system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010084511A2 (en) * | 2008-12-19 | 2010-07-29 | Mahindra Navistar Automotives Limited | Cab heating system for a vehicle |
-
2017
- 2017-04-18 CN CN201710251729.XA patent/CN106837652B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1993242A (en) * | 2004-08-16 | 2007-07-04 | 斯堪尼亚有限公司 | Method and arrangement for cooling |
| CN201125806Y (en) * | 2007-10-23 | 2008-10-01 | 陈新华 | Diesel oil intelligent heaters |
| CN101603450A (en) * | 2008-06-10 | 2009-12-16 | 迪尔公司 | Nucleate boiling cooling system and method |
| CN202468129U (en) * | 2012-02-08 | 2012-10-03 | 徐工集团工程机械股份有限公司科技分公司 | Multifunctional fuel oil preheating cold starting device |
| CN205779415U (en) * | 2016-06-22 | 2016-12-07 | 北京京威汽车设备有限公司 | Fuel heater control system and fuel heating system |
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| Publication number | Publication date |
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| CN106837652A (en) | 2017-06-13 |
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