CN103321735B - A kind of hybrid power passenger car engine cooling method and system and device - Google Patents

A kind of hybrid power passenger car engine cooling method and system and device Download PDF

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Publication number
CN103321735B
CN103321735B CN201310273870.1A CN201310273870A CN103321735B CN 103321735 B CN103321735 B CN 103321735B CN 201310273870 A CN201310273870 A CN 201310273870A CN 103321735 B CN103321735 B CN 103321735B
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water
engine
electronic fan
temperature
cooling
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CN201310273870.1A
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CN103321735A (en
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唐明忠
陈煌熙
席力克
常承英
陈诗库
刘善锷
罗冲
旷彪
孙涛
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湖南南车时代电动汽车股份有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The engine cooling method of hybrid power passenger car and a system and device, adopt electronic fan to cool motor, by the classification logic control of electronic fan, and accurate control engine outlet water temperature and Engine Inlet Temperature in real time.The classification logic control of described electronic fan is employing two groups of electronic fans, is respectively first group of electronic fan and second group of electronic fan, and entire car controller exports startup and the stopping that one group of control signal controls first group of electronic fan; Export startup and stopping that second group of control signal controls second group of electronic fan; The performance of electronic fan grading control is: first group of delayed startup of electronic fan and preferential stopping; Second group of electronic fan preferentially starts and delayed stopping.This invention can not only optimize the heat dispersion of motor, improves the working life of electronic fan, and can provide auxiliary heating function for state four after-treatment system, reduces the discharge of the harmful gases such as the nitrogen oxide of motor.

Description

A kind of hybrid power passenger car engine cooling method and system and device
Technical field
The present invention relates to a kind of engine cooling mode and system and device, particularly a kind of hybrid power passenger car engine cooling method and system and device; Be mainly used in the engine cooling of hybrid power passenger car.
Background technique
Engine-cooling system is traditional passenger vehicle and the very important constituent element of hybrid power passenger car, directly affects usability and the life-span of motor.
At present, the major technique of engine-cooling system is the Fan Transmission-mechanism adopting middle transition wheel, utilizes V belt translation to drive fan to rotate the object reaching heat radiation; The shortcoming of this cooling system can not carry out accurately effective control to the operating condition of fan, the power 5% ~ 12% of waste motor according to the change of engine water temperature or temperature, and fan noise is larger.Especially the electronic fan adopted now is exposed in engine compartment, and when engine bay ventilation effect is bad, the megathermal climate in summer affects the life-span of electronic fan.In addition, for present motor, winter, cold climate easily made the icing of urea solution of engine aftertreatment system, if do not take deicing measure, just can not there is chemical reaction completely with urea liquid in the Tail Gas such as engine NOx, can affect the comprehensive discharge performance of motor.
Found the bibliographical information of the parties concerned by patent documentation and the retrieval of paper periodical, but do not have to find directly directly relevant with technical solution of the present invention documents, also only have relevant to the technology of the present invention is following:
1, the patent No. is CN201110390627.9, denomination of invention is the Chinese invention patent of " engine-cooling system of hybrid vehicle ", which disclose a kind of engine-cooling system of hybrid vehicle, comprise motor, motor and cooling system assembly, it is characterized in that, described cooling system assembly comprises: radiator, be positioned at the side of described motor, form liquid-phase loop by water inflow of the engine pipe and engine water outlet and described motor, described radiator comprises the fan group by described motoring; Intercooler, connects mutually with described radiator, and described intercooler forms gas phase loop by air inlet tube of cooler and intercooler air outlet pipe and described motor; And swelling water tank, be connected with described water inflow of the engine pipe; Wherein, described motor is longitudinally arrange, described radiator and described intercooler are also longitudinally arrange.
2, the patent No. is CN201080046170.3, denomination of invention is the Chinese invention patent of " cooling unit for motor vehicle driven by mixed power ", which disclose a kind of cooling unit, its heat engine for cooling and mixing power car (10), electricity parts (26, 14, 28) and the equipment of storage of electrical energy (18), described cooling unit comprises: for cooling the first loop (60 of described heat engine, HT), for cooling the second servo loop (BT) of described electric parts and the tertiary circuit (78 for the equipment that cools described storage of electrical energy, TBT), thermal fluid can comprise heat-exchange apparatus (46, 48, 52) circulate in described loop.According to the present invention, described heat-exchange apparatus is made up of tripartite heat exchanger (88), described device comprises the connectivity device that described first loop is communicated with described tertiary circuit, and described connectivity device is according to the temperature of thermal fluid and activated according to the flow of thermal fluid in the first loop.The invention still further relates to the radiator for motor vehicle driven by mixed power.
3, the patent No. is CN91106833.3, and denomination of invention is the Chinese invention patent of " bus aic cooling system for rearmounted engine ", which discloses a kind of bus aic cooling system for rearmounted engine, for engine cooling, both can be used for water-cooled system, and can be used for again air-cooled system.It is made up of radiator, fan, air channel etc., and air inlet of air duct is arranged on coach front surrounding, and windstream when travelling is cooled engine radiator by air channel introducing.Air channel is arranged on bus deck bottom, and it is made up of wind inlet section, intermediate section, wind outlet section, and exhaust outlet, facing to before radiator, is also provided with volume adjusting apparatus in air channel.What this patent was protected is that intake grill is arranged on coach front surrounding, introduces windstream cooled engine radiator by air channel.
4, the patent No. is CN201080045875.3, the Chinese invention patent that denomination of invention is " having the hybrid power type fan drives of CVT and motor ", which disclose a kind of hybrid power type auxiliary drive system and there are two kinds of operating modes, a kind of mechanical mode and a kind of electric model.This auxiliary is a cooling fan typically.A kind of continuous variable mechanical type belt gear drives this auxiliary according to a kind of operating mode.A motor is used from the planetary roller screw mechanism one being used to rotary motion to convert to axial motion the position changing sheave and also therefore changes drive ratio.When being disengaged this mechanical traction mode, can come with this auxiliary of the second mode activated by this motor practical.
5, author Liu is apt to " the hybrid power passenger car radiator area controlled based on electronic fan calculates " paper by name that the prosperous Luo Chong Yang Yong of blade of a sword Chen Huang delivered in " Bus Technology and research " 02 phase in 2012, the article discloses a kind of radiator heat-dissipation area computation method being directed to electronic fan controlled cooling model.Air quantity affect fan from rotating speed, flabellum diameter, input current is proposed, the coupling type selecting of consideration radiator.Specifically for TEG6102PHEV hybrid power passenger car, a kind of heat diffusion area computational methods controlling radiator cooling for electronic fan are proposed.
These patents above-mentioned, though there has been the technology of the engine cooling relating to hybrid power passenger car, carefully analyze discovery all not to before the present invention the problem that proposes easily to freeze winter solve, be therefore still necessary to be improved further this.
Summary of the invention
Problem to be solved by this invention is: the cooling effectiveness for available engine technology is not high enough, and accurately effective control can not be carried out according to the change of engine water temperature or temperature to fan, if and do not take deicing measure in the winter time, the deficiency of the comprehensive discharge performance of motor can be had influence on, propose a kind of cooling effectiveness high, and effectively can prevent hybrid power passenger car engine cooling method and the cooling system device of cooling system freezed in winter.
For above-mentioned technical problem, implementer's case proposed by the invention is: a kind of engine cooling method of hybrid power passenger car, electronic fan is adopted to cool motor, its feature is, by the classification logic control of electronic fan, accurate control engine outlet water temperature and Engine Inlet Temperature in real time.
Further, the classification logic control of described electronic fan is employing two groups of electronic fans, is respectively first group of electronic fan and second group of electronic fan, and entire car controller exports startup and the stopping that one group of control signal controls first group of electronic fan; Export startup and stopping that second group of control signal controls second group of electronic fan; The performance of electronic fan grading control is: first group of delayed startup of electronic fan and preferential stopping; Second group of electronic fan preferentially starts and delayed stopping.
Further, the classification logic control mode of two groups of described electronic fans is as follows:
(1) when Engine Inlet Temperature is less than 52 DEG C and engine outlet water temperature is less than 82 DEG C, two groups of fans all stop;
(2) when Engine Inlet Temperature be greater than 52 DEG C and also be less than 58 DEG C or engine outlet water temperature be greater than 82 DEG C and also be less than 95 DEG C time, second group of fan preferentially starts, and first group of fan stops;
(3) when Engine Inlet Temperature is greater than 58 DEG C or engine outlet water temperature is greater than 95 DEG C, two groups of fans all start.
Realize a bus engine cooling system device for above-mentioned hybrid power passenger car engine cooling method, comprise intercooler, radiator, protect solar or lunar halo and electronic fan; The suction port of intercooler is connected with engine supercharger by air inlet tube of cooler road, and the air outlet of intercooler is connected with engine intake by engine charge pipeline; Through engine supercharger air outlet high temperature compressed air out, enter intercooler cool through air inlet tube of cooler road, cooled air sends into engine cylinder burning by engine charge pipeline; The water intake of radiator is connected with the thermostat on motor by engine water outlet pipeline, and the water outlet of radiator leads to motor water return pipeline and is connected with the water pump on motor; From engine water jacket high temperature current out from thermostat out, enter radiator through engine water outlet pipeline and cool, under the draft effect of water pump, cooled water is back to engine water jacket by motor water return pipeline, circulates with this; It is characterized in that, described electronic fan is divided into two groups, be respectively first group of electronic fan and second group of electronic fan, first group of electronic fan and second group of electronic fan are arranged on respectively and protect in solar or lunar halo built-in grille region, and carry out classification logic control by logic control part; Under the pressure air draft effect of electronic fan, cooling blast is successively through intercooler, radiator, heat exchange is carried out respectively with the high temperature compressed air in intercooler and the high-temperature water in radiator, pressure cooling is carried out to high temperature compressed air and high-temperature water, cooled air, again to enter engine cylinder rapidly, ensures the Thorough combustion of diesel oil; Cooled water, again to send into engine water jacket rapidly, ensures the normal work of motor, prevents engine high-temperature scaling loss.
Further, described protects solar or lunar halo built-in grille, and be divided into four independent regions, electronic fan is placed in these four independent regions respectively, and the wind that prevents from going here and there weakens the cooling effect of electronic fan.
Further, described engine cooling and circulating system also comprises swelling water tank, be arranged on the highest point of cooling system, be communicated with five-way, there is provided water supplement function for whole cooling system and set up stable hydraulic pressure, the working resistance of water pump reduced, and provide except airway dysfunction for whole cooling system, improve the working efficiency of cooling system.
Further, thermostat on the engine is also connected with hot-water heating water intaking pipeline, is also connected with hot-water heating water return pipeline at motor water return pipeline, forms water circulation, for front windshield provides defrost function with car internal heater and windshield heater.
Further, described engine-cooling system also comprises logic control part, comprising: air-temperature sensor, is arranged in engine charge pipeline; Cooling-water temperature sensor, is arranged in engine water outlet pipeline; Engine ECU (engine electronic control), gathers Engine Inlet Temperature signal and engine outlet water temperature signal; Entire car controller, is used for controlling startup and the stopping of multiple electronic fan.Air-temperature sensor is used for sensing Engine Inlet Temperature signal, cooling-water temperature sensor is used for sensing engine outlet water temperature signal, after Engine ECU gathers Engine Inlet Temperature signal and cooling liquid water-exit temperature signal, send entire car controller to by CAN signal bus, control startup and the stopping of multiple electronic fan.
Further, described reprocessing heating circulation system, comprises solenoid valve, to be fetched water pipeline connection by urea liquid heating intake pipe and hot-water heating; Urea tank, is communicated with motor water return pipeline by urea liquid heating return pipe.
Further, reprocessing heating circulation system also comprises control section, comprising: urea injection controller, is connected with solenoid valve; Environment temperature sensor, is arranged on air filter in the air inlet pipeline of turbocharger of motor.The break-make of electromagnetic valve reprocessing heating system water circulation pipe, environment temperature sensor is used for sensing local environment temperature.
Further, when ambient temperature is lower than T0 DEG C (critical temperature during T0 icing of urea solution), urea injection controller Controlling solenoid valve is in attracting state, water circulation is in circulation status, reprocessing heating system, from the water intaking of engine water outlet pipeline, enters urea tank through solenoid valve, heats the urea liquid frozen, nitrogen oxide in quickening motor exhaust and the chemical reaction of urea liquid, thus reduce the discharge of the harmful gases such as the nitrogen oxide of motor; Water after being absorbed heat by urea liquid is back to motor water return pipeline by urea liquid heating return pipe through five-way, is back to engine water jacket by the draft effect of water pump.
Further, when ambient temperature is higher than T0 DEG C, solenoid valve is in off state, and liquid circulation is in not circulation status.
The invention has the advantages that:
1, electronic fan classification logic control, accurate control engine outlet water temperature and Engine Inlet Temperature, make motor obtain good heat dispersion in real time, ensures the normal work of motor and improve the working efficiency of motor.
2, electronic fan is arranged on and protects solar or lunar halo inside, makes electronic fan from the impact of engine compartment high temperature, improves hot ageing resistance and the working life of electronic fan.
3, for after-treatment system provides auxiliary heating function, a kind of cooling system, multiple use, has saved cost, improves the reliability that pipeline connects.
Accompanying drawing explanation
Fig. 1 is engine cooling system structure schematic diagram of the present invention
Fig. 2 is the main TV structure schematic diagram of cooling bag assembly of engine-cooling system of the present invention
Fig. 3 is the left TV structure schematic diagram of cooling bag assembly of engine-cooling system of the present invention
Fig. 4 is electronic fan control principle skeleton diagram of the present invention
Fig. 5 is reprocessing urea liquid heating system control principle skeleton diagram of the present invention
In figure, each critical piece is described as follows:
1-thermostat, 2-motor, 3-water pump, 4-intercooler, 5-first group of electronic fan, 6-radiator, 7-cooling airflow, 8-protects solar or lunar halo, 9-second group of electronic fan, 10-engine charge pipeline, 11-air inlet tube of cooler road, 12-engine water outlet pipeline, 13-swelling water tank, 14-hot-water heating water intaking pipeline, 15-threeway, 16-rubber water pipe, 17-urea liquid heating intake pipe, 18-solenoid valve, 19-urea tank, 20-urea liquid heating return pipe, 21-hot-water heating water return pipeline, 22-five-way, 23-motor water return pipeline, 24-air-temperature sensor, 25-cooling-water temperature sensor, 26-Engine ECU, 27-entire car controller, 28-air-strainer, 29-turbocharger of motor, 30-environment temperature sensor, 31-urea injection controller.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Can be found out by accompanying drawing, the present invention relates to a kind of engine cooling method of hybrid power passenger car, adopt electronic fan to cool motor, its feature is, by the classification logic control of electronic fan, accurate control engine outlet water temperature and Engine Inlet Temperature in real time;
Further, the classification logic control of described electronic fan is employing two groups of electronic fans, is respectively first group of electronic fan and second group of electronic fan, and entire car controller exports startup and the stopping that one group of control signal controls first group of electronic fan; Export startup and stopping that second group of control signal controls second group of electronic fan; The performance of electronic fan grading control is: first group of delayed startup of electronic fan and preferential stopping; Second group of electronic fan preferentially starts and delayed stopping.
Further, the classification logic control mode of two groups of described electronic fans is as follows:
(1) when Engine Inlet Temperature is less than 52 DEG C and engine outlet water temperature is less than 82 DEG C, two groups of electronic fans all stop;
(2) when Engine Inlet Temperature be greater than 52 DEG C and also be less than 58 DEG C or engine outlet water temperature be greater than 82 DEG C and also be less than 95 DEG C time, second group of electronic fan preferentially starts, and first group of electronic fan stops;
(3) when Engine Inlet Temperature is greater than 58 DEG C or engine outlet water temperature is greater than 95 DEG C, two groups of electronic fans all start.
Realize a bus engine cooling system device for above-mentioned hybrid power passenger car engine cooling method, comprise intercooler, radiator, protect solar or lunar halo and electronic fan; The suction port of intercooler is connected with engine supercharger by air inlet tube of cooler road, and the air outlet of intercooler is connected with engine intake by engine charge pipeline; Through engine supercharger air outlet high temperature compressed air out, enter intercooler cool through air inlet tube of cooler road, cooled air sends into engine cylinder burning by engine charge pipeline; The water intake of radiator is connected with the thermostat on motor by engine water outlet pipeline, and the water outlet of radiator leads to motor water return pipeline and is connected with the water pump on motor; From engine water jacket high temperature current out from thermostat out, enter radiator through engine water outlet pipeline and cool, under the draft effect of water pump, cooled water is back to engine water jacket by motor water return pipeline, circulates with this; It is characterized in that, described electronic fan is divided into two groups, be respectively first group of electronic fan and second group of electronic fan, first group of electronic fan and second group of electronic fan are arranged on respectively and protect in solar or lunar halo built-in grille region, and carry out classification logic control by logic control part; Under the pressure air draft effect of electronic fan, cooling blast is successively through intercooler, radiator, heat exchange is carried out respectively with the high temperature compressed air in intercooler and the high-temperature water in radiator, pressure cooling is carried out to high temperature compressed air and high-temperature water, cooled air, again to enter engine cylinder rapidly, ensures the Thorough combustion of diesel oil; Cooled water, again to send into engine water jacket rapidly, ensures the normal work of motor, prevents engine high-temperature scaling loss.
Further, described protects solar or lunar halo built-in grille, and be divided into four independent regions, electronic fan is placed in these four independent regions respectively, and the wind that prevents from going here and there weakens the cooling effect of electronic fan.
Further, described engine-cooling system device also comprises swelling water tank, be arranged on the highest point of cooling system, be communicated with five-way, there is provided water supplement function for whole cooling system and set up stable hydraulic pressure, the working resistance of water pump reduced, and provide except airway dysfunction for whole cooling system, improve the working efficiency of cooling system.
Further, hot-water heating water intaking pipeline is also connected with before thermostat on the engine, also be connected with hot-water heating water return pipeline at motor water return pipeline, form water circulation with car inner radiator and windshield heater, for front windshield provides defrost function and Che Nei heating function.
Further, described engine-cooling system device also comprises logic control part, comprising: air-temperature sensor, is arranged in engine charge pipeline; Cooling-water temperature sensor, is arranged in engine water outlet pipeline; Engine ECU (engine electronic control), gathers Engine Inlet Temperature signal and engine outlet water temperature signal; Entire car controller, is used for controlling startup and the stopping of multiple electronic fan.Air-temperature sensor is used for sensing Engine Inlet Temperature signal, cooling-water temperature sensor is used for sensing engine outlet water temperature signal, after Engine ECU gathers Engine Inlet Temperature signal and engine outlet water temperature signal, send signal to entire car controller by CAN, control startup and the stopping of multiple electronic fan.
Further, described reprocessing heating system, comprises solenoid valve, is communicated with the threeway that hot-water heating is fetched water in pipeline by urea liquid heating intake pipe; Urea tank, is communicated with motor water return pipeline by urea liquid heating return pipe.
Further, reprocessing heating system also comprises control section, comprising: urea injection controller, is connected with solenoid valve; Environment temperature sensor, is arranged on air-strainer in the air inlet pipeline of turbocharger of motor.The break-make of electromagnetic valve reprocessing heating system water circulation pipe, environment temperature sensor 28 is used for sensing local environment temperature.
Further, when ambient temperature is lower than T0 DEG C (critical temperature during T0 icing of urea solution), urea injection controller Controlling solenoid valve is in attracting state, water circulation is in circulation status, reprocessing heating system was fetched water before thermostat by the threeway in hot-water heating water intaking pipeline, urea tank is entered through solenoid valve, the urea liquid frozen is heated, nitrogen oxide in quickening motor exhaust and the chemical reaction of urea liquid, thus reduce the discharge of the harmful gases such as the nitrogen oxide of motor; Water after being absorbed heat by urea liquid is back to motor water return pipeline by urea liquid heating return pipe through five-way, is back to engine water jacket by the draft effect of water pump.
Further, when ambient temperature is higher than T0 DEG C, solenoid valve is in off state, and water circulation is in circulation status.
Embodiment one
First see Fig. 1 ~ 3, a kind of hybrid power passenger car engine cooling method and system and device, comprise two parts: the engine-cooling system of cooled engine and provide the reprocessing heating system of auxiliary heating function for reprocessing.
Described engine-cooling system, comprises intercooler 4, is connected with motor 2 by air pipe; Radiator 6, is arranged on the rear side of intercooler 4, is connected with motor 2 by water lines; Protect solar or lunar halo 8, be arranged on the rear side of radiator 6; First group of electronic fan 5 and second group of electronic fan 9, be arranged on the inner side protecting solar or lunar halo 8, and comprise multiple electronic fan F1, F2, F3, F4 of cooling intercooler 4 and radiator 6, multiple electronic fan is induced draught fan.
The suction port of intercooler 4 is connected with engine supercharger by air inlet tube of cooler road 11, and the air outlet of intercooler 4 is connected with engine intake by engine charge pipeline 10; Through engine supercharger air outlet high temperature compressed air out, enter intercooler 4 cool through air inlet tube of cooler road 11, cooled air sends into engine cylinder burning by engine charge pipeline 10;
The water intake of described radiator 6 is connected with the thermostat 1 on motor 2 by engine water outlet pipeline 12, and the water outlet of radiator 6 leads to motor water return pipeline 23 and is connected with the water pump 3 on motor 2; From engine water jacket high temperature current out from thermostat 1 out, enter radiator 6 through engine water outlet pipeline 12 and cool, under the draft effect of water pump 3, cooled water is back to engine water jacket by motor water return pipeline 23, circulates with this.
Described protects solar or lunar halo 8 built-in grille, and be divided into four independent regions, electronic fan F1, F2, F3, F4 are placed in these four independent regions respectively, and the wind that prevents from going here and there weakens the cooling effect of electronic fan.
Under the pressure air draft effect of electronic fan F1, F2, F3, F4, cooling blast 7 is successively through intercooler 4, radiator 6, heat exchange is carried out respectively with the high-temperature water in the high temperature compressed air in intercooler 4 and radiator 6, pressure cooling is carried out to high temperature compressed air and high-temperature water, cooled air, again to enter engine cylinder rapidly, ensures the Thorough combustion of diesel oil; Cooled water, again to send into engine water jacket rapidly, ensures the normal work of motor, prevents engine high-temperature scaling loss.
Consider the motor of electronic fan be one to temperature than more sensitive element, high temperature can affect the life-span of electronic fan and the decline of working efficiency.Multiple electronic fan is arranged on the inner side protecting solar or lunar halo 8; electronic fan can be made at the motor of the best protection electronic fan of the situation that engine bay ventilation effect is bad and associated components; utilize the cooling action of cooling airflow 7; pressure cooling is carried out to the motor of electronic fan and associated components; further protect electronic fan; thus extend the life-span of electronic fan, improve the working efficiency of electronic fan.
Described engine-cooling system also comprises swelling water tank 13, be arranged on the highest point of cooling system, be communicated with five-way 22, there is provided water supplement function for whole cooling system and set up stable hydraulic pressure, the working resistance of the water pump 3 reduced, and for whole cooling system provides except airway dysfunction, improve the working efficiency of cooling system.
Also be connected with hot-water heating water intaking pipeline 14 before thermostat 1 on motor 2, be also connected with hot-water heating water return pipeline 21 at motor water return pipeline 23, form water circulation with car inner radiator and windshield heater, for front windshield provides defrost function and Che Nei heating function.
Composition graphs 4 again, described engine-cooling system also comprises logic control part, comprises air-temperature sensor 24, is arranged in engine charge pipeline 10; Cooling-water temperature sensor 25, is arranged in engine water outlet pipeline 12; Engine ECU (engine electronic control) 26, gathers Engine Inlet Temperature signal and engine outlet water temperature signal; Entire car controller 27, is used for controlling startup and the stopping of multiple electronic fan F1, F2, F3, F4.Air-temperature sensor 24 is used for sensing Engine Inlet Temperature signal, cooling-water temperature sensor 25 is used for sensing engine outlet water temperature signal, after Engine ECU 26 gathers Engine Inlet Temperature signal and engine outlet water temperature, send signal to entire car controller 27 by CAN, control startup and the stopping of multiple electronic fan F1, F2, F3, F4.
Described electronic fan F1, F2, F3, F4 carry out classification logic control, comprising: first group of electronic fan F1, F2 and second group of electronic fan F3, F4.Entire car controller exports one group of control signal and controls first group of electronic fan F1, F2; Export startup and stopping that second group of control signal controls second group of electronic fan F3, F4.The electronic fan grading control performance that the present invention relates to is: first group of delayed startup of electronic fan and preferential stopping; Second group of electronic fan F3, F4 preferentially start and delayed stopping.
The classification logic control mode of two groups of electronic fans is as follows:
(1) when Engine Inlet Temperature is less than 52 DEG C and engine outlet water temperature is less than 82 DEG C, two groups of electronic fans all stop.
(2) when Engine Inlet Temperature be greater than 52 DEG C and also be less than 58 DEG C or engine outlet water temperature be greater than 82 DEG C and also be less than 95 DEG C time, second group of electronic fan preferentially starts, and first group of electronic fan stops.
(3) when Engine Inlet Temperature is greater than 58 DEG C or engine outlet water temperature is greater than 95 DEG C, two groups of electronic fans all start.
Described reprocessing heating system, comprises solenoid valve 18, is communicated with threeway 15 by urea liquid heating intake pipe 17; Urea tank 19, is communicated with motor water return pipeline 23 by urea liquid heating return pipe 20.
Composition graphs 5, described reprocessing heating circulation system also comprises control section, comprises urea injection controller 31, is connected with solenoid valve 18; Environment temperature sensor 30, is arranged in the air inlet pipeline of air-strainer 28 to turbocharger of motor 29.Solenoid valve 16 controls the break-make of reprocessing heating system water circulation pipe, and environment temperature sensor 30 is used for sensing local environment temperature.
When ambient temperature is lower than T0 DEG C (critical temperature when T0 is icing of urea solution), urea injection controller 31 Controlling solenoid valve 18 is in attracting state, water circulation is in circulation status, reprocessing heating system is fetched water from hot-water heating water intaking pipeline 14 by threeway 15, urea tank 19 is entered through solenoid valve 18, the urea liquid frozen is heated, nitrogen oxide in quickening motor exhaust and the chemical reaction of urea liquid, thus reduce the discharge of the harmful gases such as the nitrogen oxide of motor; Water after being absorbed heat by urea liquid is back to motor water return pipeline 23 by urea liquid heating return pipe 20 through five-way 22, is back to engine water jacket by the draft effect of water pump 3.
When ambient temperature is higher than T0 DEG C, solenoid valve 18 is in off state, and water circulation is in not circulation status.

Claims (6)

1. an engine cooling method for hybrid power passenger car, adopts electronic fan to cool motor, it is characterized in that, by the classification logic control of electronic fan, and accurate control engine outlet water temperature and Engine Inlet Temperature in real time; The classification logic control of described electronic fan is employing two groups of electronic fans, is respectively first group of electronic fan and second group of electronic fan, and entire car controller exports startup and the stopping that one group of control signal controls first group of electronic fan; Export startup and stopping that second group of control signal controls second group of electronic fan; The performance of electronic fan grading control is: first group of delayed startup of electronic fan and preferential stopping; Second group of electronic fan preferentially starts and delayed stopping; The classification logic control mode of two groups of described electronic fans is as follows:
(1) when Engine Inlet Temperature is less than 52 DEG C and engine outlet water temperature is less than 82 DEG C, two groups of fans all stop;
(2) when Engine Inlet Temperature be greater than 52 DEG C and also be less than 58 DEG C or engine outlet water temperature be greater than 82 DEG C and also be less than 95 DEG C time, second group of fan preferentially starts, and first group of fan stops;
(3) when Engine Inlet Temperature is greater than 58 DEG C or engine outlet water temperature is greater than 95 DEG C, two groups of fans all start;
Under the pressure air draft effect of electronic fan, cooling blast is successively through intercooler, radiator, heat exchange is carried out respectively with the high temperature compressed air in intercooler and the high-temperature water in radiator, pressure cooling is carried out to high temperature compressed air and high-temperature water, cooled air, again to enter engine cylinder rapidly, ensures the Thorough combustion of diesel oil; Cooled water, again to send into engine water jacket rapidly, ensures the normal work of motor, prevents engine high-temperature scaling loss; Also comprise reprocessing heating system, reprocessing heating system comprises solenoid valve, to be fetched water pipeline connection by urea liquid heating intake pipe and hot-water heating; Urea tank, is communicated with motor water return pipeline by urea liquid heating return pipe; Reprocessing heating system also comprises control section, comprising: urea injection controller, is connected with solenoid valve; Environment temperature sensor, is arranged on air-strainer in the air inlet pipeline of turbocharger of motor; The break-make of electromagnetic valve reprocessing heating system water circulation pipe, environment temperature sensor is used for sensing local environment temperature; When ambient temperature is lower than T0 DEG C, urea injection controller Controlling solenoid valve is in attracting state, water circulation is in circulation status, reprocessing heating system is fetched water from engine water outlet pipeline, urea tank is entered through solenoid valve, the urea liquid frozen is heated, the nitrogen oxide in quickening motor exhaust and the chemical reaction of urea liquid, thus reduce the discharge of the harmful gases such as the nitrogen oxide of motor; Water after being absorbed heat by urea liquid is back to motor water return pipeline by urea liquid heating return pipe through five-way, is back to engine water jacket by the draft effect of water pump; When ambient temperature is higher than T0 DEG C, solenoid valve is in off state, and water circulation is in not circulation status.
2. realize a bus engine cooling system device for hybrid power passenger car engine cooling method described in claim 1, comprise intercooler, radiator, protect solar or lunar halo and electronic fan; The suction port of intercooler is connected with engine supercharger by air inlet tube of cooler road, and the air outlet of intercooler is connected with engine intake by engine charge pipeline; Through engine supercharger air outlet high temperature compressed air out, enter intercooler cool through air inlet tube of cooler road, cooled air sends into engine cylinder burning by engine charge pipeline; The water intake of radiator is connected with the thermostat on motor by engine water outlet pipeline, and the water outlet of radiator leads to motor water return pipeline and is connected with the water pump on motor; From engine water jacket high temperature current out from thermostat out, enter radiator through engine water outlet pipeline and cool, under the draft effect of water pump, cooled water is back to engine water jacket by motor water return pipeline, circulates with this; It is characterized in that, described electronic fan is divided into two groups, be respectively first group of electronic fan and second group of electronic fan, first group of electronic fan and second group of electronic fan are arranged on respectively and protect in solar or lunar halo built-in grille region, and carry out classification logic control by logic control part; Under the pressure air draft effect of electronic fan, cooling blast is successively through intercooler, radiator, heat exchange is carried out respectively with the high temperature compressed air in intercooler and the high-temperature water in radiator, pressure cooling is carried out to high temperature compressed air and high-temperature water, cooled air, again to enter engine cylinder rapidly, ensures the Thorough combustion of diesel oil; Cooled water, again to send into engine water jacket rapidly, ensures the normal work of motor, prevents engine high-temperature scaling loss; Also comprise reprocessing heating system, reprocessing heating system comprises solenoid valve, to be fetched water pipeline connection by urea liquid heating intake pipe and hot-water heating; Urea tank, is communicated with motor water return pipeline by urea liquid heating return pipe; Reprocessing heating system also comprises control section, comprising: urea injection controller, is connected with solenoid valve; Environment temperature sensor, is arranged on air-strainer in the air inlet pipeline of turbocharger of motor; The break-make of electromagnetic valve reprocessing heating system water circulation pipe, environment temperature sensor is used for sensing local environment temperature; When ambient temperature is lower than T0 DEG C, urea injection controller Controlling solenoid valve is in attracting state, water circulation is in circulation status, reprocessing heating system is fetched water from engine water outlet pipeline, urea tank is entered through solenoid valve, the urea liquid frozen is heated, the nitrogen oxide in quickening motor exhaust and the chemical reaction of urea liquid, thus reduce the discharge of the harmful gases such as the nitrogen oxide of motor; Water after being absorbed heat by urea liquid is back to motor water return pipeline by urea liquid heating return pipe through five-way, is back to engine water jacket by the draft effect of water pump; When ambient temperature is higher than T0 DEG C, solenoid valve is in off state, and water circulation is in not circulation status.
3. bus engine cooling system device as claimed in claim 2, it is characterized in that, described protects solar or lunar halo built-in grille, is divided into four independent regions, electronic fan is placed in these four independent regions respectively, prevents string wind from weakening the cooling effect of electronic fan.
4. bus engine cooling system device as claimed in claim 2, it is characterized in that, described engine-cooling system also comprises swelling water tank, be arranged on the highest point of cooling system, be communicated with five-way, provide water supplement function for whole cooling system and set up stable hydraulic pressure, the working resistance of the water pump of reduction, and for whole cooling system provides except airway dysfunction, improve the working efficiency of cooling system.
5. bus engine cooling system device as claimed in claim 2, it is characterized in that, hot-water heating water intaking pipeline is also connected with before thermostat on the engine, hot-water heating water return pipeline is also connected with at motor water return pipeline, water circulation is formed, for front windshield provides defrost function and Che Nei heating function with car internal heater and windshield heater.
6. bus engine cooling system device as claimed in claim 3, it is characterized in that, described engine-cooling system also comprises logic control part, comprising: air-temperature sensor, is arranged in engine charge pipeline; Cooling-water temperature sensor, is arranged in engine water outlet pipeline; Engine ECU, gathers Engine Inlet Temperature signal and engine outlet water temperature signal; Entire car controller, is used for controlling startup and the stopping of multiple electronic fan; Air-temperature sensor is used for sensing Engine Inlet Temperature signal, cooling-water temperature sensor is used for sensing engine outlet water temperature signal, after Engine ECU gathers Engine Inlet Temperature signal and cooling liquid water-exit temperature signal, send signal to entire car controller by CAN, control startup and the stopping of multiple electronic fan.
CN201310273870.1A 2013-07-02 2013-07-02 A kind of hybrid power passenger car engine cooling method and system and device CN103321735B (en)

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014201170A1 (en) * 2014-01-23 2015-07-23 Bayerische Motoren Werke Aktiengesellschaft Method and device for venting a thermal management system of an internal combustion engine
US9605629B2 (en) * 2014-02-14 2017-03-28 Cnh Industrial America Llc Under-hood mounting configuration for a control unit of a work vehicle
CN104595004A (en) * 2014-11-26 2015-05-06 中国北车集团大连机车车辆有限公司 Control method for diesel locomotive cooling system
CN104849059A (en) * 2015-04-13 2015-08-19 成都诚邦动力测试仪器有限公司 Engine comprehensive performance measuring and controlling system based on thermostatic control of engine coolant temperature
CN104912645A (en) * 2015-06-08 2015-09-16 厦门金龙联合汽车工业有限公司 Control method of vehicular intelligent cooling system
CN105626226B (en) * 2015-12-25 2018-06-08 潍柴动力股份有限公司 A kind of engine radiating control system and its control method
CN106194381A (en) * 2016-08-31 2016-12-07 山东达润专用车有限公司 A kind of electric protection anti-explosion diesel engine
CN106640290A (en) * 2016-11-07 2017-05-10 山东大学 Urea box heating water valve control method and system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2527718Y (en) * 2002-03-25 2002-12-25 重庆宗申技术开发研究有限公司 Water cooling device for motorcycle engine
CN202531274U (en) * 2012-03-28 2012-11-14 中国重汽集团济南动力有限公司 After-treatment coolant circulating system of engine
CN202789070U (en) * 2012-06-25 2013-03-13 天津市松正电动汽车技术股份有限公司 Thermal controlling system of engine
CN203499790U (en) * 2013-07-02 2014-03-26 湖南南车时代电动汽车股份有限公司 Cooling system device for engine of hybrid power bus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650215A (en) * 1979-09-29 1981-05-07 Hino Motors Ltd Method and apparatus for controlling temperature in cooling device for supercharged engine
JPH05156938A (en) * 1991-12-06 1993-06-22 Kubota Corp Engine exhaust heat recoverer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2527718Y (en) * 2002-03-25 2002-12-25 重庆宗申技术开发研究有限公司 Water cooling device for motorcycle engine
CN202531274U (en) * 2012-03-28 2012-11-14 中国重汽集团济南动力有限公司 After-treatment coolant circulating system of engine
CN202789070U (en) * 2012-06-25 2013-03-13 天津市松正电动汽车技术股份有限公司 Thermal controlling system of engine
CN203499790U (en) * 2013-07-02 2014-03-26 湖南南车时代电动汽车股份有限公司 Cooling system device for engine of hybrid power bus

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