CN112282915A - Engine cooling system and car - Google Patents
Engine cooling system and car Download PDFInfo
- Publication number
- CN112282915A CN112282915A CN202011236631.5A CN202011236631A CN112282915A CN 112282915 A CN112282915 A CN 112282915A CN 202011236631 A CN202011236631 A CN 202011236631A CN 112282915 A CN112282915 A CN 112282915A
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- engine
- cooling
- branch
- water pump
- electronic thermostat
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- 238000001816 cooling Methods 0.000 title claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 239000000110 cooling liquid Substances 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 34
- 239000002826 coolant Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims 1
- 230000001965 increasing effect Effects 0.000 description 9
- 239000003921 oil Substances 0.000 description 8
- 238000010792 warming Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
- F01P11/029—Expansion reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
-
- 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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
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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
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- 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
- F01P2050/00—Applications
- F01P2050/22—Motor-cars
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
An engine cooling system and an automobile comprise an engine water jacket, an engine water outlet, a cooling pipeline, a water pump and a control unit; the inlet of the engine water jacket is connected with the water pump, the outlet of the engine water jacket is connected with the water outlet of the engine, and the cooling pipeline is communicated with the water outlet of the engine and the water pump; the cooling pipeline comprises a cooling branch arranged in the cooling pipeline and a first electronic thermostat located on the downstream of the cooling branch, the cooling branch comprises a first cooling branch and a second cooling branch which are connected in parallel, a first heat dissipation device is arranged on the first cooling branch, a second heat dissipation device and a second electronic thermostat located on the upstream of the second heat dissipation device are arranged on the second cooling branch, and the control unit is electrically connected with the first electronic thermostat, the second electronic thermostat and the water pump respectively. The invention improves the cooling efficiency of the engine under the high-speed running of the engine and reduces the warming-up time of the warming-up of the engine.
Description
Technical Field
The invention relates to the technical field of engine cooling, in particular to an engine cooling system and an automobile.
Background
The engine cooling system of the automobile plays an important role in normal operation, safe running, oil consumption reduction and emission reduction of the engine. At present, with the increasingly compact structural design and the increased power per liter of the engine, the density of waste heat generated by the engine is also obviously increased, and therefore, the requirement on an engine cooling system is also continuously increased. Generally, the heat dissipation capability of an engine cooling system is designed with a first consideration in meeting the heat dissipation requirements at high engine loads.
In fact, however, the engine does not need to be cooled at all times, and the degree of cooling required by the engine under different operating conditions varies, for example: when the engine is warmed up, the warming-up time can be shortened by increasing the temperature of the cooling liquid, so that the oil consumption and the emission are reduced; when the engine runs at partial load, the temperature of the cooling liquid is increased, on one hand, the temperature of the engine oil can be increased, and the friction loss is reduced; on the other hand, the fuel injection device is also beneficial to improving the combustion in the cylinder, simultaneously reduces the heat dissipation loss, and also achieves the effects of enhancing the dynamic property and reducing the fuel consumption; when the engine operates under a large load or a limit condition, the safe and reliable operation of the engine can be ensured by reducing the temperature of the cooling liquid.
At present, when an engine runs at a high speed, the temperature of cooling liquid cannot be timely cooled, high-load running of the engine is caused, moving parts are heated to expand, gaps among the parts are reduced, normal movement is hindered, the engine is seriously blocked under the condition, when the engine is warmed up, the temperature of the cooling liquid is too low, the warming up time is long, and the oil consumption and the emission of the engine are increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an engine cooling system and an automobile, which improve the cooling efficiency of an engine under the condition of high-speed running of the engine, reduce the warming-up time of warming up the engine and reduce the oil consumption and the emission of the engine.
The technical scheme adopted by the invention for solving the technical problems is as follows: an engine cooling system comprises an engine water jacket, an engine water outlet, a cooling pipeline, a water pump and a control unit;
the inlet of the engine water jacket is connected with the water pump, the outlet of the engine water jacket is connected with the water outlet of the engine, and the cooling pipeline is communicated with the water outlet of the engine and the water pump;
the cooling pipeline comprises a cooling branch arranged in the cooling pipeline and a first electronic thermostat located on the downstream of the cooling branch, the first electronic thermostat can control the on-off of the cooling pipeline through starting and stopping, the cooling branch comprises a first cooling branch and a second cooling branch which are connected in parallel, a first heat dissipation device is arranged on the first cooling branch, a second heat dissipation device and a second electronic thermostat located on the upstream of the second heat dissipation device are arranged on the second cooling branch, and the second electronic thermostat can control the on-off of the second cooling branch through starting and stopping;
the control unit is respectively and electrically connected with the first electronic thermostat, the second electronic thermostat and the water pump and is used for respectively controlling the start and stop of the water pump, the first electronic thermostat and the second electronic thermostat.
Further, the control unit is an ECU.
Further, a first temperature sensor is arranged between the outlet of the engine water jacket and used for detecting the temperature of the cooling liquid flowing through the first temperature sensor.
Further, the cooling pipeline is also provided with a second temperature sensor, and the second temperature sensor is arranged between the water pump and the first electronic thermostat and used for detecting the temperature of the cooling liquid flowing through the second temperature sensor.
Further, still include first branch road, first branch road intercommunication engine delivery port and water pump, first branch road is including arranging the tee bend electromagnetic directional valve wherein, two exports of tee bend electromagnetic directional valve are connected with warm braw device and heating device respectively, are close to heating device's delivery port department is equipped with third temperature sensor for detect the coolant temperature of flowing through it, tee bend electromagnetic directional valve and the control unit electric connection.
Further, heating device includes the heating cabinet and is located the heater of heating cabinet outer wall, the heater contacts with the heating cabinet with heat-conduction mode for heat the heating cabinet, heater and the control unit electric connection.
Further, the water pump also comprises a second branch, the second branch is communicated with the water outlet of the engine and the water pump, and the second branch comprises an expansion water bottle arranged in the second branch.
Further, the engine water jacket outlet and the water pump are communicated through a third branch, and the third branch comprises a turbocharger arranged in the third branch.
Further, an automobile comprises the engine cooling system.
According to the technical scheme, the invention has the beneficial effects that:
1. the control unit of the invention can control the water pump to run completely, stop running or run intermittently, and further can change the flow of the cooling liquid; in addition, the power-on state of the first electronic thermostat or the second electronic thermostat is controlled according to the temperature fed back by the second temperature sensor, so that the first electronic thermostat or the second electronic thermostat is controlled to be opened and closed, the working states of the first heat dissipation device and the second heat dissipation device are reasonably adjusted, the temperature of the cooling liquid can be rapidly reduced even under the high load of the engine, the safe and reliable running of the engine is guaranteed, and the service life of the engine is prolonged.
2. In a warm-up state, the control unit can control the three-way electromagnetic directional valve to change the flow direction of the cooling liquid so that the cooling liquid flows to the heating device, and the heating wire of the heating device can properly heat the cooling liquid, so that the warm-up efficiency is improved, and the oil consumption and the emission of the engine are reduced.
3. The invention improves the cooling efficiency of the engine under high temperature environment or high load operation, improves the temperature of the cooling liquid under low temperature environment, and reduces the warm-up time of the engine, so that the engine always works in the optimal temperature range, the oil consumption of the automobile is reduced, and the service life of the engine is prolonged.
4. The third branch of the invention is provided with the turbocharger, the working process of the turbocharger is pushed by the waste gas of the engine, thereby greatly improving the fuel economy, reducing the emission of pollutants such as the waste gas and the like and reducing the environmental pollution.
Drawings
FIG. 1 is a schematic diagram of an engine cooling system of the present invention.
The labels in the figure are: 1. the system comprises a three-way electromagnetic directional valve, 2, a heater, 3, a heating box, 301, a heater, 4, a third temperature sensor, 5, an engine water jacket, 6, a turbocharger, 7, a water pump, 8, a second temperature sensor, 9, a first electronic thermostat, 10, a first heat dissipation device, 11, a second heat dissipation device, 12, a second electronic thermostat, 13, an expansion kettle, 14, an engine water outlet, 15 and the first temperature sensor.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the present invention provides an engine cooling system, which includes an engine water jacket 5, an engine water outlet 14, a cooling pipeline, a water pump 7 and a control unit, wherein the control unit is an ECU.
The inlet of the engine water jacket 5 is connected with the water pump 7, the outlet of the engine water jacket 5 is connected with the engine water outlet 14, the cooling pipeline is communicated with the engine water outlet 14 and the water pump 7, and a first temperature sensor 15 is arranged between the outlet of the engine water jacket 5 and the engine water outlet 14 and used for detecting the temperature of coolant flowing through the first temperature sensor.
The cooling pipeline comprises a cooling branch arranged in the cooling pipeline and a first electronic thermostat 9 located on the downstream of the cooling branch, the first electronic thermostat 9 can control the on-off of the cooling pipeline by starting and stopping the cooling pipeline, the cooling branch comprises a first cooling branch and a second cooling branch which are connected in parallel, a first heat dissipation device 10 is arranged on the first cooling branch, a second heat dissipation device 11 and a second electronic thermostat 12 located on the upstream of the second heat dissipation device 11 are arranged on the second cooling branch, the second electronic thermostat 12 can control the on-off of the second cooling branch by starting and stopping the cooling pipeline, a second temperature sensor 8 is further arranged on the cooling pipeline, and the second temperature sensor 8 is arranged between the water pump 7 and the first electronic thermostat 9 and used for detecting the temperature of cooling liquid flowing through the second electronic thermostat.
The control unit is respectively and electrically connected with the first electronic thermostat 9, the second electronic thermostat 12 and the water pump 7 and is used for respectively controlling the start and stop of the water pump 7, the first electronic thermostat 9 and the second electronic thermostat 12.
The first branch, the water pump 7, the engine water jacket 5 and the engine water outlet 14 form a large circulation loop, and the on-off of the large circulation loop is controlled by the first electronic thermostat 9.
In addition, as shown in fig. 1, there are two branches communicating the engine water outlet 14 and the water pump 7, which are: the heating device comprises a heating box 3 and a heater 301 positioned on the outer wall of the heating box 3, the heater 301 is in contact with the heating box 3 in a heat conduction mode and is used for heating the heating box 3, and the heater 301 is electrically connected with the control unit; a second branch communicating the engine water outlet 14 and the water pump 7, the second branch comprising an expansion tank 13 arranged therein.
The first branch and the second branch are normally open branches, and the coolant can circularly flow in a small circulation loop formed by the first branch or the second branch and the water pump 7, the engine water jacket 5 and the engine water outlet 14.
In addition, as shown in fig. 1, a third branch is further included, the third branch is communicated with an outlet of the engine water jacket 5 and the water pump 7, the third branch comprises a turbocharger 6 arranged in the third branch, the turbocharger 6 is connected with the engine, and cooling liquid can circulate in a loop formed by the third branch, the engine water jacket 5 and the water pump 7 and is used for cooling the turbocharger 6.
In addition, when the engine works, the inertia impulse force of the exhaust gas discharged by the engine is utilized to push the turbine in the turbine chamber, and then the turbine drives the impeller which is coaxial with the turbine, so that the impeller pumps the air sent by the air filter pipeline and pressurizes the air to enter the cylinder. When the rotating speed of the engine is increased, the exhaust speed of the waste gas and the rotating speed of the turbine are synchronously increased, the impeller can compress more air to enter the cylinder, and therefore the power performance of the engine is greatly improved. The working process of the turbocharger 6 is driven by the exhaust gas of the engine, so that the fuel economy is greatly improved, the emission of pollutants such as the exhaust gas is reduced, and the environmental pollution is reduced.
After flowing out from the engine water jacket 5, the coolant which exchanges heat with the engine flows to the first branch and the second branch through the engine water outlet 14, wherein the coolant flowing into the second branch exchanges heat with air flowing through the coolant in the warm air device 2 to heat the air to form warm air, so that when the heating function of the vehicle air conditioner is started, the warm air is assisted to be provided for a driver, and the energy utilization rate is improved; under the condition of warming, the three-way electromagnetic directional valve 1 is controlled to change direction according to the temperature fed back by the second temperature sensor 8, so that the cooling liquid flows to the heating device to heat the cooling liquid, the warming time is shortened, the oil consumption of the automobile is reduced, and the service life of the engine is prolonged; the coolant flowing into the second branch passes through the expansion tank 13, maintaining the pressure of the engine cooling system. When the first electronic thermostat 9 is opened, the cooling liquid flows through the first cooling branch on the cooling pipeline, the first heat dissipation device 10 on the first cooling branch dissipates the heat of the flowing cooling liquid, when the second electronic thermostat 12 is opened, a part of the cooling liquid on the cooling pipeline starts to flow to the second cooling branch, and the second heat dissipation device 11 on the second cooling branch dissipates the heat of the flowing cooling liquid, so that the temperature of the cooling liquid is greatly reduced. Wherein, the coolant flowing through the first branch, the second branch and the cooling pipeline flows into the engine water jacket 5 again for heat exchange and circularly reciprocates.
The water pump 7 is additionally provided with an electromagnetic clutch in a water pump driving belt wheel of the traditional mechanical water pump, and the electromagnetic clutch can be controlled by an ECU to connect or disconnect the water pump 7 and the driving belt wheel, so that the impeller of the water pump 7 is controlled to run or stop, and the flow of the cooling liquid is adjusted as required. The electronic thermostat is based on a traditional thermostat, a heating resistor is arranged in a wax bag, so that paraffin in the wax bag of the thermostat can sense the temperature of external cooling liquid and the temperature of an internal heating resistor, and the internal heating resistor is powered on or powered off under the control of an ECU (electronic control Unit).
The following detailed description of the operating principle of the engine cooling system:
and (3) during an engine warming-up stage: the control unit controls the water pump 7 to operate intermittently, so as to reduce the flow of the cooling liquid; when the temperature value fed back by the first temperature sensor 15 to the control unit is less than 60 ℃, the control unit controls the three-way electromagnetic directional valve 1 to enable the cooling liquid to flow to the heating device, and the control unit controls the heater 301 to start heating, so that the warming time is shortened, and the effects of reducing oil consumption and discharging are realized; in addition, when the temperature value fed back by the third temperature sensor 4 to the control unit is greater than 65 ℃, the control unit controls the three-way electromagnetic directional valve 1 to enable the cooling liquid to flow to the air heating device 2, the control unit controls the heater 301 to stop heating, and the warming-up stage is finished. In the subsequent stage, the control unit controls the three-way electromagnetic directional valve 1 to always enable the cooling liquid to flow to the air heating device 2.
The engine is operated at part load, in the small cycle phase: the control unit controls the water pump 7 to operate intermittently, so that the flow of the cooling liquid is reduced, the control unit controls the first electronic thermostat 9 to work at the high target cooling liquid temperature, the cooling pipeline is not opened, the first branch, the second branch and the third branch are all conducted at the moment, and the turbocharger works normally.
The engine is operated at a high load, in a first phase of a large cycle: when the value fed back to the control unit by the first temperature sensor 15 is greater than 85 ℃, the control unit controls the water pump 7 to operate completely to provide the maximum flow, and controls the first electronic thermostat 9 to be opened, the first cooling branch on the cooling pipeline is communicated, so that the cooling liquid flows through the first heat dissipation device 10 to perform heat exchange, and at the moment, the first branch, the second branch and the third branch are all conducted.
The engine is operated in an overload or limit state and is in a second stage of a large cycle: when the value fed back to the control unit by the first temperature sensor 15 is greater than 95 ℃, the control unit controls the water pump 7 to operate completely to provide the maximum flow, and controls the first electronic thermostat 9 and the second electronic thermostat 12 to be opened, and the first cooling branch and the second cooling branch on the cooling pipeline are communicated, so that the cooling liquid flows through the first heat dissipation device 10 and the second heat dissipation device 11 to exchange heat, and the cooling efficiency is improved. At this time, the first branch, the second branch and the third branch are all conducted.
The embodiment also provides an automobile comprising the engine cooling system.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.
Claims (9)
1. An engine cooling system, characterized in that: the engine water jacket comprises an engine water jacket (5), an engine water outlet (14), a cooling pipeline, a water pump (7) and a control unit;
the inlet of the engine water jacket (5) is connected with the water pump (7), the outlet of the engine water jacket (5) is connected with the engine water outlet (14), and the cooling pipeline is communicated with the engine water outlet (14) and the water pump (7);
the cooling pipeline comprises a cooling branch arranged in the cooling pipeline and a first electronic thermostat (9) located at the downstream of the cooling branch, the first electronic thermostat (9) can control the on-off of the cooling pipeline through starting and stopping, the cooling branch comprises a first cooling branch and a second cooling branch which are connected in parallel, a first heat dissipation device (10) is arranged on the first cooling branch, a second heat dissipation device (11) and a second electronic thermostat (12) located at the upstream of the second heat dissipation device (11) are arranged on the second cooling branch, and the second electronic thermostat (12) can control the on-off of the second cooling branch through starting and stopping;
the control unit is respectively and electrically connected with the first electronic thermostat (9), the second electronic thermostat (12) and the water pump (7) and is used for respectively controlling the start and stop of the water pump (7), the first electronic thermostat (9) and the second electronic thermostat (12).
2. An engine cooling system according to claim 1, characterized in that: the control unit is an ECU.
3. An engine cooling system according to claim 1, characterized in that: a first temperature sensor (15) is arranged between the outlet of the engine water jacket (5) and the engine water outlet (14) and used for detecting the temperature of cooling liquid flowing through the first temperature sensor.
4. An engine cooling system according to claim 1, characterized in that: the cooling pipeline is further provided with a second temperature sensor (8), and the second temperature sensor (8) is arranged between the water pump (7) and the first electronic thermostat (9) and used for detecting the temperature of the cooling liquid flowing through the second temperature sensor.
5. An engine cooling system according to claim 1, characterized in that: still include first branch road, first branch road intercommunication engine delivery port (14) and water pump (7), first branch road is including arranging tee bend electromagnetic directional valve (1) wherein, two exports of tee bend electromagnetic directional valve (1) are connected with warm braw device (2) and heating device respectively, are close to heating device's delivery port department is equipped with third temperature sensor (4) for detect the coolant liquid temperature of flowing through it, tee bend electromagnetic directional valve (1) and the control unit electric connection.
6. An engine cooling system according to claim 5, wherein: heating device includes heating cabinet (3) and heater (301) that are located heating cabinet (3) outer wall, heater (301) and heating cabinet (3) contact with heat-conduction mode for the heating cabinet (3), heater (301) and the control unit electric connection.
7. An engine cooling system according to any one of claims 1 to 6, characterized in that: the water pump further comprises a second branch, the second branch is communicated with the engine water outlet (14) and the water pump (7), and the second branch comprises an expansion water bottle (13) arranged in the second branch.
8. An engine cooling system according to any one of claims 1 to 6, characterized in that: the engine water jacket (5) is communicated with a water pump (7) through a third branch, and the third branch comprises a turbocharger (6) arranged in the third branch.
9. An automobile, characterized by comprising an engine cooling system according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011236631.5A CN112282915A (en) | 2020-11-09 | 2020-11-09 | Engine cooling system and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011236631.5A CN112282915A (en) | 2020-11-09 | 2020-11-09 | Engine cooling system and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112282915A true CN112282915A (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011236631.5A Pending CN112282915A (en) | 2020-11-09 | 2020-11-09 | Engine cooling system and car |
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| Country | Link |
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| CN (1) | CN112282915A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756928A (en) * | 2021-09-29 | 2021-12-07 | 广西玉柴机器股份有限公司 | Quick vehicle warming device |
| CN114458436A (en) * | 2022-02-16 | 2022-05-10 | 一汽解放汽车有限公司 | Engine control system, engine control system control method and passenger car |
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| CN214035850U (en) * | 2020-11-09 | 2021-08-24 | 河南华洋发动机制造股份有限公司 | Engine cooling system and car |
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2020
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| JP2004019561A (en) * | 2002-06-17 | 2004-01-22 | Toyota Motor Corp | Cooling device of internal combustion engine |
| JP2004042759A (en) * | 2002-07-11 | 2004-02-12 | Hitachi Ltd | Air conditioner for automobile |
| US20060180103A1 (en) * | 2003-10-15 | 2006-08-17 | Volvo Lastvagnar Ab | Arrangement for cooling a vehicle component |
| CN107630742A (en) * | 2017-09-07 | 2018-01-26 | 安徽江淮汽车集团股份有限公司 | A kind of more water tank high/low temperature cooling systems |
| CN109057937A (en) * | 2018-10-09 | 2018-12-21 | 威马智慧出行科技（上海）有限公司 | A kind of coolant circulation system |
| CN214035850U (en) * | 2020-11-09 | 2021-08-24 | 河南华洋发动机制造股份有限公司 | Engine cooling system and car |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756928A (en) * | 2021-09-29 | 2021-12-07 | 广西玉柴机器股份有限公司 | Quick vehicle warming device |
| CN113756928B (en) * | 2021-09-29 | 2024-03-26 | 广西玉柴机器股份有限公司 | Quick warm-up device |
| CN114458436A (en) * | 2022-02-16 | 2022-05-10 | 一汽解放汽车有限公司 | Engine control system, engine control system control method and passenger car |
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