CN112282917A - Engine thermal management system and vehicle - Google Patents
Engine thermal management system and vehicle Download PDFInfo
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- CN112282917A CN112282917A CN202011027620.6A CN202011027620A CN112282917A CN 112282917 A CN112282917 A CN 112282917A CN 202011027620 A CN202011027620 A CN 202011027620A CN 112282917 A CN112282917 A CN 112282917A
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- management system
- gas
- thermal management
- engine
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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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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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
- F01P11/08—Arrangements of lubricant coolers
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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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
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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
- 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
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention belongs to the technical field of engine systems, and particularly relates to an engine thermal management system and a vehicle. The engine heat management system comprises a water tank, a cooling unit, a machine body group and a gas path unit, wherein the inlet end of the cooling unit is communicated with the outlet end of the water tank, the inlet end of the machine body group is communicated with the outlet end of the cooling unit, the outlet end of the machine body group is communicated with the inlet end of the water tank, a gas pressure nozzle capable of outputting different gas pressures is arranged on the output pipeline of the gas path unit, and the gas pressure nozzle is used for spraying gas into a communication pipeline between the cooling unit and the machine body group. Through using the engine heat management system among this technical scheme, the heat management operation can all be accomplished to the high efficiency under warm-up and normal operating mode, and at the warm-up operating mode, atmospheric pressure nozzle input high pressure can form the air film on the surface of organism group, can effectively reduce heat dissipation loss, and at the operating mode, atmospheric pressure nozzle input low pressure can form the torrent disturbance in the coolant liquid, improves the radiating efficiency.
Description
Technical Field
The invention belongs to the technical field of engine systems, and particularly relates to an engine thermal management system and a vehicle.
Background
Along with the upgrading of oil consumption regulations and the improvement of the strengthening degree of the engine, the heat management effect of the engine is gradually highlighted, and the advanced heat management system can not only improve the heat efficiency of the engine, but also reduce the emission of the engine. In the prior art, the heat management operation of the engine is realized by adopting structures such as an electronic water pump, a dual-temperature circulating system and an electric control valve, but the structure is complex and the management efficiency is low.
Disclosure of Invention
The object of the present invention is to at least solve the problem of the prior art that the thermal management efficiency is low. The purpose is realized by the following technical scheme:
a first aspect of the present invention provides an engine thermal management system, comprising:
a water tank;
the inlet end of the cooling unit is communicated with the outlet end of the water tank;
the inlet end of the machine body group is communicated with the outlet end of the cooling unit, and the outlet end of the machine body group is communicated with the inlet end of the water tank;
and the output pipeline of the gas circuit unit is provided with a gas pressure nozzle capable of outputting different gas pressures, and the gas pressure nozzle is used for spraying gas into a communication pipeline between the cooling unit and the machine body group.
Through using the engine heat management system among this technical scheme, can accomplish the heat management operation at the high efficiency under warm-up and normal operating mode, wherein, under the warm-up operating mode, atmospheric pressure nozzle input high pressure can form the air film on organism group surface, can effectively reduce the heat dissipation loss, and under the normal operating mode, atmospheric pressure nozzle input low pressure can form the torrent disturbance in the coolant liquid, strengthens the turbulence intensity of coolant liquid, improves the radiating efficiency.
In addition, the engine thermal management system according to the invention can also have the following additional technical characteristics:
in some embodiments of the present invention, the gas path unit further includes an air compressor, a first control valve and a second control valve along a gas flowing direction, the gas pressure nozzle is communicated with a gas outlet end of the second control valve, and the first control valve and the second control valve are both connected to an engine control center.
In some embodiments of the invention, the first control valve is an electrically controlled pressure regulating valve for regulating the gas pressure of the gas circuit unit.
In some embodiments of the present invention, the second control valve is a solenoid valve, and the solenoid valve is used for controlling the gas flowing through or blocking the gas path unit.
In some embodiments of the present invention, the air path unit further includes a check valve disposed between the air pressure nozzle and the second control valve.
In some embodiments of the invention, the cooling unit comprises an oil cooler and a water pump, an inlet end of the water pump is communicated with the water tank, an outlet end of the water pump is communicated with the machine body group, and the oil cooler and the water pump are arranged in parallel.
In some embodiments of the present invention, the engine thermal management system further includes a thermostat, an inlet end of the thermostat is communicated with the engine block, a first outlet end of the thermostat is communicated with the water tank, and a second outlet end of the thermostat is communicated with the water pump.
In some embodiments of the present invention, the engine thermal management system further comprises an expansion tank disposed in parallel with the water tank.
In some embodiments of the present invention, the engine thermal management system further comprises a urea unit, an inlet end of the urea unit is communicated with an outlet end of the engine block, and an outlet end of the urea unit is communicated with an inlet end of the cooling unit.
The invention also provides a vehicle which comprises the engine thermal management system in the embodiment.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows an overall structural view of an engine thermal management system according to an embodiment of the present invention.
10: a water tank;
20: cooling unit, 21: oil cooler, 22: a water pump;
30: a body group;
40: gas circuit unit, 41: output line, 42: air compressor, 43: first control valve, 44: second control valve, 45: a check valve;
50: a thermostat;
60: an expansion tank;
70: a fan;
81: urea tank, 82: a urea nozzle.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Fig. 1 schematically shows an overall structural view of an engine thermal management system according to an embodiment of the present invention. As shown in FIG. 1, the invention provides an engine thermal management system and a vehicle. The engine thermal management system comprises a water tank 10, a cooling unit 20, a machine body group 30 and a gas circuit unit 40, wherein the inlet end of the cooling unit 20 is communicated with the outlet end of the water tank 10, the inlet end of the machine body group 30 is communicated with the outlet end of the cooling unit 20, the outlet end of the machine body group 30 is communicated with the inlet end of the water tank 10, a gas pressure nozzle capable of outputting different gas pressures is arranged on an output pipeline 41 of the gas circuit unit 40, and the gas pressure nozzle is used for injecting gas into a communication pipeline between the cooling unit 20 and the machine body group 30.
Through using the engine heat management system among this technical scheme, can accomplish the heat management operation at the high efficiency under warm-up and normal operating mode, wherein, under the warm-up operating mode, atmospheric pressure nozzle input high pressure can form the air film on organism group 30 surface, can effectively reduce the heat dissipation loss, and under the normal operating mode, atmospheric pressure nozzle input low pressure can form the torrent disturbance in the coolant liquid, strengthens the turbulence intensity of coolant liquid, improves the radiating efficiency.
Further, in some embodiments of the present invention, the air path unit 40 further includes an air compressor 42, a first control valve 43 and a second control valve 44 along the direction of the air flow, wherein the air compressor 42 is used for providing compressed air, and the first control valve 43 and the second control valve 44 are used for controlling the pressure and the on-off condition of the whole air path unit 40. The air pressure nozzle is communicated with the air outlet end of the second control valve 44, and the first control valve 43 and the second control valve 44 are both connected with the engine control center, so that the first control valve 43 and the second control valve 44 are more intelligent, and the accuracy is improved.
Specifically, in this embodiment, in some embodiments of the present invention, the first control valve 43 is an electrically controlled pressure regulating valve, and the electrically controlled pressure regulating valve is used for regulating the gas pressure of the gas path unit 40, so that the gas pressure nozzle can output gas with high pressure and low pressure, and thus the thermal management operation can be efficiently completed under warm-up and normal conditions.
Specifically, in some embodiments of the present invention, the second control valve 44 is a solenoid valve for controlling the flow or the blocking of the gas path unit 40.
Specifically, in some embodiments of the present invention, the air path unit 40 further includes a check valve 45, and the check valve 45 is disposed between the air pressure nozzle and the second control valve 44, so as to prevent the backflow of the air and prevent the occurrence of a failure of the air path unit 40.
Further, in some embodiments of the present invention, the cooling unit 20 includes an oil cooler 21 and a water pump 22, the oil cooler 21 is used for cooling the lubricating oil and further cooling the engine block 30, and the water pump 22 is used for pressurizing the cooling liquid and ensuring that the cooling liquid can circulate in the system. Wherein, the inlet end of the water pump 22 is communicated with the water tank 10, the outlet end of the water pump 22 is communicated with the machine body group 30, and the engine oil cooler 21 and the water pump 22 are arranged in parallel.
Further, in some embodiments of the present invention, the engine thermal management system further includes a thermostat 50 for controlling the flow and temperature of the engine coolant. The inlet end of the thermostat 50 is communicated with the body group 30, the first outlet end of the thermostat 50 is communicated with the water tank 10, and the second outlet end of the thermostat 50 is communicated with the water pump 22. The thermostat 50 can automatically adjust the amount of water entering the water tank 10 according to the temperature of the coolant, and change the circulation range to adjust the heat dissipation capacity of the entire system.
Further, in some embodiments of the present invention, the engine thermal management system further includes an expansion water tank 60, and the expansion water tank 60 is disposed in parallel with the water tank 10, and the expansion water tank 60 can accommodate excessive water expansion in the system, reduce water pressure, and improve reliability and operation efficiency of the system.
Further, in some embodiments of the present invention, the engine thermal management system further includes a urea unit, an inlet end of the urea unit is communicated with an outlet end of the engine block 30, and an outlet end of the urea unit is communicated with an inlet end of the cooling unit 20. The urea unit further includes a urea tank 81 and a urea nozzle 82, the urea tank 81 and the urea nozzle 82 are arranged in parallel, an inlet end of the urea tank 81 and an inlet end of the urea nozzle 82 are respectively communicated with the outlet section of the machine body group 30, and an outlet end of the urea tank 81 and an outlet end of the urea nozzle 82 are respectively communicated with the inlet end of the cooling unit 20. The urea tank 81 unit can react with nitrogen oxides generated during the operation of the engine to generate water and nitrogen, thereby reducing the emission of nitric oxide and nitrogen dioxide in the tail gas of the diesel vehicle.
Specifically, the operation process of the thermal management system of the present invention is as follows: under the engine warm-up operating mode, the atmospheric pressure nozzle spouts into high atmospheric pressure, and high atmospheric pressure can form the air film on the surface of organism group 30, can effectively reduce the heat dissipation loss of organism group 30 to realize the quick heat engine of engine. Under the normal operation condition of the engine, the air pressure nozzle sprays low air pressure which can form turbulent disturbance in the cooling liquid, thereby enhancing the turbulent intensity of the cooling liquid and improving the heat dissipation efficiency of the system.
Specifically, in some embodiments of the present invention, the engine thermal management system further comprises a fan 70, the fan 70 being disposed adjacent to the water tank 10 for overall heat dissipation of the engine.
Specifically, in some embodiments of the present invention, the block group 30 includes an engine block and an engine head.
The invention further provides a vehicle comprising the engine thermal management system.
Through using the vehicle among this technical scheme, the engine heat management system of vehicle can accomplish the heat management operation at the high efficiency under warm-up and normal operating mode, wherein, under the warm-up operating mode, atmospheric pressure nozzle input high pressure can form the air film on the surface of organism group, can effectively reduce the heat loss, under the normal operating mode, atmospheric pressure nozzle input low pressure can form the torrent disturbance in the coolant liquid, strengthens the torrent intensity of coolant liquid, improves the radiating efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An engine thermal management system, comprising:
a water tank;
the inlet end of the cooling unit is communicated with the outlet end of the water tank;
the inlet end of the machine body group is communicated with the outlet end of the cooling unit, and the outlet end of the machine body group is communicated with the inlet end of the water tank;
and the output pipeline of the gas circuit unit is provided with a gas pressure nozzle capable of outputting different gas pressures, and the gas pressure nozzle is used for spraying gas into a communication pipeline between the cooling unit and the machine body group.
2. The engine thermal management system according to claim 1, wherein the gas circuit unit further comprises an air compressor, a first control valve and a second control valve along a gas flowing direction, the gas pressure nozzle is communicated with a gas outlet end of the second control valve, and the first control valve and the second control valve are both connected with an engine control center.
3. The engine thermal management system of claim 2, wherein the first control valve is an electronically controlled pressure regulating valve for regulating the gas pressure of the gas circuit unit.
4. The engine thermal management system according to claim 2, wherein the second control valve is a solenoid valve for controlling the flow or the cut of the gas path unit.
5. The engine thermal management system of claim 2, wherein the air circuit unit further comprises a check valve disposed between the air pressure nozzle and the second control valve.
6. The engine thermal management system of claim 1, wherein the cooling unit comprises an oil cooler and a water pump, an inlet end of the water pump is communicated with the water tank, an outlet end of the water pump is communicated with the engine block, and the oil cooler and the water pump are arranged in parallel.
7. The engine thermal management system of claim 6, further comprising a thermostat, an inlet end of the thermostat being in communication with the engine block, a first outlet end of the thermostat being in communication with the water tank, and a second outlet end of the thermostat being in communication with the water pump.
8. The engine thermal management system of claim 1, further comprising an expansion tank disposed in parallel with the water tank.
9. The engine thermal management system of claim 1, further comprising a urea unit having an inlet end in communication with an outlet end of the airframe, and an outlet end in communication with an inlet end of the cooling unit.
10. A vehicle having an engine thermal management system according to any of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027620.6A CN112282917A (en) | 2020-09-25 | 2020-09-25 | Engine thermal management system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027620.6A CN112282917A (en) | 2020-09-25 | 2020-09-25 | Engine thermal management system and vehicle |
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| CN112282917A true CN112282917A (en) | 2021-01-29 |
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| CN202011027620.6A Pending CN112282917A (en) | 2020-09-25 | 2020-09-25 | Engine thermal management system and vehicle |
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Application publication date: 20210129 |