CN219327577U - Engine assembly and vehicle - Google Patents
Engine assembly and vehicle Download PDFInfo
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- CN219327577U CN219327577U CN202320108024.3U CN202320108024U CN219327577U CN 219327577 U CN219327577 U CN 219327577U CN 202320108024 U CN202320108024 U CN 202320108024U CN 219327577 U CN219327577 U CN 219327577U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 307
- 239000000498 cooling water Substances 0.000 claims abstract description 68
- 238000005507 spraying Methods 0.000 claims abstract description 47
- 239000007921 spray Substances 0.000 claims abstract description 40
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 20
- 239000003507 refrigerant Substances 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 8
- 239000008213 purified water Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 12
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 40
- 238000000034 method Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
- 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
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- Exhaust Silencers (AREA)
Abstract
The utility model provides an engine assembly and a vehicle, the engine assembly comprises an engine, the engine comprises a cylinder cover and a cylinder, an exhaust channel is arranged on the cylinder cover, the exhaust channel is provided with an exhaust port communicated with the cylinder, an exhaust valve for opening or closing the exhaust port is also arranged on the cylinder cover, the engine assembly further comprises a water spraying device, and the water spraying device comprises a water collecting part, a water conveying part and a water pumping part; wherein the water collecting part is used for storing cooling water; one end of the water delivery part is connected with the water collection part, and the other end of the water delivery part is arranged at a position facing the exhaust port in the exhaust channel so as to spray cooling water to the exhaust valve; the water pumping part is used for spraying cooling water of the water collecting part to the exhaust valve through the water conveying part so as to cool the exhaust valve. Therefore, the temperature in the cylinder of the engine can be effectively reduced, the probability of occurrence of knocking problems in the cylinder is reduced, and the combustion heat efficiency is increased. And the water delivery part is used for delivering cooling water to the exhaust valve for injection cooling, so that the problem of difficult ignition is not caused.
Description
Technical Field
The utility model belongs to the technical field of vehicle engines, and particularly relates to an engine assembly and a vehicle.
Background
The hybrid electric vehicle has the advantages of the traditional fuel oil vehicle and the electric vehicle, and is the development direction of the vehicle industry. Hybrid vehicle specific engines match the ultra-high compression ratio for higher thermal efficiency, but in-cylinder knock at high compression ratio affects thermal efficiency and may cause engine damage when severe.
At present, there are two main ways to solve the knocking problem of an engine of a hybrid electric vehicle under a high compression ratio: one is to optimize the combustion system by three-dimensional computational fluid dynamics (Computational Fluid Dynamics, CFD) which is significantly effective but difficult to match with the ultra-high compression ratio design of a hybrid vehicle specific engine and requires an engineer with sufficient design experience and a long time from design to prototyping. The second is in-cylinder water spray or air inlet channel water spray which is studied by many engineers, the effect of the method is remarkable, but the water spray amount and water spray time are difficult to control. In the water spraying process, if the water spraying amount is too much, part of water cannot absorb enough heat in the cylinder to form water vapor, and an oil-water mixture can be formed with fuel in the cylinder to influence the combustion rate in the cylinder, so that the oil consumption is greatly increased. If the water injection amount is small, the absorbed heat of the mixed gas is small, the temperature in the cylinder is not obviously reduced, and the corresponding knocking degree cannot be reduced. Moreover, in the existing in-cylinder water spraying technology, because the water spraying port is arranged in the cylinder, the problem of difficult ignition can be caused in the water spraying process.
Disclosure of Invention
The utility model aims to solve the problem that in the prior art, water is sprayed into a cylinder, which is adopted for improving knocking of an engine of a hybrid electric vehicle under a high compression ratio, and the water spraying port is arranged in the cylinder, so that ignition is difficult in the water spraying process.
In order to solve the problems, the embodiment of the utility model discloses an engine assembly, which comprises an engine, wherein the engine comprises a cylinder cover and a cylinder, an exhaust channel is arranged on the cylinder cover, the exhaust channel is provided with an exhaust port communicated with the cylinder, an exhaust valve for opening or closing the exhaust port is also arranged on the cylinder cover, and the engine assembly further comprises a water spraying device, wherein the water spraying device comprises a water collecting part, a water conveying part and a water pumping part; wherein,,
the water collecting part is used for storing cooling water;
one end of the water delivery part is connected with the water collection part, and the other end of the water delivery part is arranged at a position facing the exhaust port in the exhaust channel so as to spray cooling water to the exhaust valve;
the water pumping part is used for spraying cooling water of the water collecting part to the exhaust valve through the water conveying part so as to cool the exhaust valve.
By adopting the technical scheme, when the exhaust valve of the engine needs to be cooled in the running process of the vehicle, the water pumping part in the water spraying device is utilized to pump cooling water from the water collecting part through the water conveying part, and the cooling water is sprayed to the exhaust valve through the water conveying part to cool the exhaust valve of the engine. Therefore, the engine cylinder head, the piston and other parts of the engine can be cooled, the combustion temperature of the oil-gas mixture in the engine cylinder can be effectively reduced, the occurrence probability of knocking problems in the cylinder is reduced, the knocking is restrained, the ignition moment is optimized, and the combustion heat efficiency and the fuel economy of the engine are improved. And the generation of nitrogen oxides can be restrained by reducing the combustion temperature in the engine cylinder, which is beneficial to improving the emission characteristic of the engine.
Further, the water delivery part is used for delivering cooling water to the exhaust valve for injection cooling, and the injected cooling water does not enter the cylinder of the engine, so that the problem of difficult ignition is not caused.
According to another embodiment of the present utility model, an engine assembly is disclosed, the engine assembly further comprising an engine coolant flow path for cooling the engine;
a part of the engine coolant flow path is provided on the peripheral side of the water collecting portion.
By adopting the technical scheme, a part of the engine cooling liquid flow path is arranged on the periphery of the water collecting part, so that part of engine cooling liquid flows around the water collecting part, and the water collecting part can be prevented from freezing and cracking due to cooling water in winter.
According to another specific embodiment of the utility model, the engine assembly disclosed in the embodiment of the utility model further comprises a control part, wherein the control part is arranged at the other end of the water delivery part;
the control part can control the on-off of the flow path between one end and the other end of the water delivery part so as to control the state of the water spraying device.
By adopting the technical scheme, the control part is arranged at the other end of the water delivery part, and the on-off of a flow path between one end and the other end of the water delivery part is controlled by the control part, so that the state of the water spraying device is conveniently controlled.
According to another specific embodiment of the utility model, the engine assembly disclosed by the embodiment of the utility model is characterized in that the control part is an electromagnetic valve;
when the electromagnetic valve is closed, a flow path between one end and the other end of the water delivery part is disconnected, and the other end of the water delivery part cannot spray cooling water to the exhaust valve;
when the electromagnetic valve is opened, the flow path between one end and the other end of the water delivery part is communicated, so that the other end of the water delivery part can spray cooling water to the exhaust valve.
By adopting the technical scheme, the disconnection and the communication of the flow path between one end and the other end of the water delivery part are controlled through the electromagnetic valve, and the water delivery part is easy to set and control.
According to another embodiment of the present utility model, the engine assembly disclosed in the embodiment of the present utility model further includes a temperature sensor disposed at the exhaust port for detecting a temperature of the gas exhausted from the exhaust port.
By adopting the technical scheme, the temperature sensor is arranged at the exhaust port, so that the temperature of the gas exhausted by the exhaust port can be detected in real time, and the timing of spraying cooling water by the water spraying device can be controlled more conveniently.
According to another specific embodiment of the utility model, the engine assembly disclosed by the embodiment of the utility model is characterized in that the water pumping part is a high-pressure water pump.
According to another specific embodiment of the utility model, the water collecting part is a water collecting tank, the water collecting tank is provided with a water inlet and a water outlet, the water inlet is used for cooling water to flow in, and the water outlet is connected with one end of the water conveying part so that cooling water in the water collecting tank can flow to the water conveying part.
By adopting the technical scheme, the water collecting part is arranged as the water collecting tank, and the water collecting tank is provided with the water inlet and the water outlet, so that the cooling water can be collected and used more conveniently.
According to another embodiment of the utility model, the water delivery part is a water spray pipe, and at least one water spray hole is arranged at the other end of the water spray pipe so as to spray cooling water to the exhaust valve through the at least one water spray hole.
By adopting the technical scheme, the water delivery part is arranged as the water spraying pipe, at least one water spraying hole is formed in the other end of the water spraying pipe, the spraying angle is convenient to adjust in the process of spraying cooling water by using the water spraying pipe, and the cooling water can be uniformly sprayed through the at least one water spraying hole.
The utility model also discloses a vehicle comprising the engine assembly.
According to another specific embodiment of the utility model, the vehicle disclosed by the embodiment of the utility model further comprises an air conditioning system, wherein the air conditioning system comprises a refrigerant loop and an air-conditioning air outlet duct, the refrigerant loop comprises an evaporator, and the evaporator is arranged in the air-conditioning air outlet duct and can condense water vapor contained in the air-conditioning air outlet duct into water drops when passing through the evaporator;
the vehicle also comprises a water-vapor separation device and a filter, wherein the water-vapor separation device is arranged in the air outlet duct of the air conditioner and positioned at the downstream position of the evaporator, and is provided with an air inlet, an air outlet and a water outlet;
the water vapor containing water drops after passing through the evaporator can enter the water vapor separation device from the air inlet of the water vapor separation device, the water vapor separation device can separate the water vapor containing the water drops to obtain dry gas and separated water, the dry gas is discharged from the air outlet, and the separated water is discharged from the water outlet;
one end of the filter is connected with the water outlet of the water-vapor separation device, the other end of the filter is connected with the water collecting part, the filter is used for filtering the separated water discharged from the water outlet to obtain purified water, and the purified water is stored in the water collecting part as cooling water.
By adopting the technical scheme, the water vapor contained in the air outlet duct of the air conditioner of the vehicle air conditioning system is condensed into water drops, the water vapor is separated by the water vapor separating device, and the separated water is filtered to obtain cooling water and stored in the water collecting part. Therefore, in the running process of the vehicle, the cooling water in the water collecting part can be supplemented, and the cooling water does not need to be supplemented by stopping for a person, so that the user experience is improved.
The beneficial effects of the utility model are as follows:
according to the engine assembly and the vehicle, when the exhaust valve of the engine needs to be cooled in the running process of the vehicle, the water pumping part in the water spraying device is used for pumping cooling water from the water collecting part through the water conveying part, and the cooling water is sprayed to the exhaust valve through the water conveying part to cool the exhaust valve of the engine. Therefore, the engine cylinder head, the piston and other parts of the engine can be cooled, the combustion temperature of the oil-gas mixture in the engine cylinder can be effectively reduced, the occurrence probability of knocking problems in the cylinder is reduced, the knocking is restrained, the ignition moment is optimized, and the combustion heat efficiency and the fuel economy of the engine are improved. And the generation of nitrogen oxides can be restrained by reducing the combustion temperature in the engine cylinder, which is beneficial to improving the emission characteristic of the engine.
Further, the water delivery part is used for delivering cooling water to the exhaust valve for injection cooling, and the injected cooling water does not enter the cylinder of the engine, so that the problem of difficult ignition is not caused.
Drawings
FIG. 1 is a schematic diagram of a cylinder head and a cylinder of an engine in an engine assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a water jet assembly in an engine assembly according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an air outlet duct of an air conditioner of a vehicle according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of an application scenario of an engine assembly provided in an embodiment of the present utility model in a vehicle driving process.
Reference numerals illustrate:
100: an engine;
101: a cylinder cover; 1011: an exhaust passage; 1012: an exhaust port; 1013: an exhaust valve; 102: a cylinder;
200: a water spraying device;
201: a water collecting part; 202: a water delivery part; 203: a water pumping part; 204: a control unit;
300: an air outlet duct of the air conditioner;
301: a blower; 302: an evaporator; 303: a temperature damper; 304: a thermistor chip; 305: and a water-vapor separation device.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.
The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
In order to solve the problem that in the prior art, water is sprayed into a cylinder, which is adopted for improving knocking of an engine of a hybrid electric vehicle under a high compression ratio, and the water spraying port is arranged in the cylinder, so that ignition is difficult in the water spraying process. The utility model provides an engine assembly which can effectively reduce the temperature in an engine cylinder.
Example 1
1-2, the specific implementation and advantages of the engine assembly provided by the present utility model will be described in detail.
As shown in fig. 1, the engine assembly provided by the utility model comprises an engine 100, wherein the engine 100 comprises a cylinder cover 101 and a cylinder 102, an exhaust channel 1011 is arranged on the cylinder cover 101, the exhaust channel 1011 is provided with an exhaust port 1012 communicated with the cylinder 102, and an exhaust valve 1013 for opening or closing the exhaust port 1012 is also arranged on the cylinder cover 101.
As shown in fig. 1-2, the engine assembly further includes a water spraying device 200, and the water spraying device 200 includes a water collecting portion 201, a water delivering portion 202, and a water pumping portion 203.
Wherein the water collecting part 201 is used for storing cooling water.
One end of the water delivery portion 202 is connected to the water collection portion 201, and as shown in fig. 1, the other end of the water delivery portion 202 is provided in the exhaust passage 1011 toward the exhaust port 1012 to spray cooling water to the exhaust valve 1013.
The water pumping part 203 is used to spray the cooling water of the water collecting part 201 to the exhaust valve 1013 through the water delivery part 202 to cool the exhaust valve 1013.
When the exhaust valve 1013 of the engine 100 needs to be cooled during the running of the vehicle, the water pumping part 203 in the water spraying device 200 is used for pumping cooling water from the water collecting part 201 through the water conveying part 202, and the cooling water is sprayed to the exhaust valve 1013 through the water conveying part 202, so that the exhaust valve 1013 of the engine 100 is cooled. Therefore, the engine cylinder head, the piston and other parts of the engine can be cooled, the combustion temperature of the oil-gas mixture in the engine cylinder can be effectively reduced, the occurrence probability of knocking problems in the cylinder is reduced, the knocking is restrained, the ignition moment is optimized, and the combustion heat efficiency and the fuel economy of the engine are improved. And the generation of nitrogen oxides can be restrained by reducing the combustion temperature in the engine cylinder, which is beneficial to improving the emission characteristic of the engine.
Further, the water delivery part is used for delivering cooling water to the exhaust valve for injection cooling, and the injected cooling water does not enter the cylinder of the engine, so that the problem of difficult ignition is not caused.
In a specific embodiment, the engine assembly further includes an engine coolant flow path (not shown) for cooling the engine; a part of the engine coolant flow field is provided on the peripheral side of the water collecting portion 201.
By providing a part of the engine coolant flow path on the peripheral side of the water collecting portion 201 so that a part of the engine coolant flows around the water collecting portion 201, it is possible to prevent the cooling water from freezing and cracking the water collecting portion 201 in winter.
In a specific embodiment, the water spraying device 200 further includes a control part 204, and the control part 204 is disposed at the other end of the water delivery part 202.
The control unit 204 controls the water spraying device 200 to be in a state in which the flow path between one end and the other end of the water delivery unit 202 is opened and closed. A control unit 204 is provided at the other end of the water delivery unit 202, and the control unit 204 controls the on/off of the flow path between one end and the other end of the water delivery unit 202, thereby facilitating the control of the state of the water spraying device 200.
In a specific embodiment, the control portion 204 is a solenoid valve.
When the solenoid valve is closed, the flow path between one end and the other end of the water delivery portion 202 is disconnected, and the other end of the water delivery portion 202 cannot inject cooling water to the exhaust valve 1013.
When the solenoid valve is opened, a flow path between one end and the other end of the water delivery part 202 communicates, so that the other end of the water delivery part 202 can spray cooling water to the exhaust valve 1013. The opening and the communication of the flow path between one end and the other end of the water delivery portion 202 are controlled by the electromagnetic valve, and the setting and the control are easy.
Specifically, in the process of controlling the on/off of the water delivery unit 202 through the electromagnetic valve, parameter information of the working condition of the engine during the current running of the vehicle, including the rotation speed, the load, the exhaust temperature, the crank angle, etc., may be collected by using each sensor of the engine 100, and it is determined whether to spray water to the exhaust valve 1013 according to the parameter information. When the rotation speed and load of the engine 100 reach the target working condition, if the actual exhaust temperature is higher than the preset exhaust temperature limit value, the electromagnetic valve of the water delivery part 202 is controlled to be opened, the exhaust valve 1013 can not be opened in the water spraying process, for the engine with the variable valve timing (Variable Valve Timing, VVT) of the engine, the opening and closing time of the electromagnetic valve is changed along with the crank angle of the engine 100, the real-time exhaust temperature is detected after the water delivery part 202 is sprayed, if the real-time exhaust temperature is lower than the target exhaust temperature, the water spraying is finished, and the quantitative setting of the water spraying of the engine 100 can be realized by detecting the exhaust temperature of the engine 100 after the water spraying.
In one particular embodiment, the engine assembly further includes a temperature sensor (not shown) disposed at the exhaust port 1012 for detecting the temperature of the gas exiting the exhaust port 1012. The temperature sensor is disposed at the exhaust port 1012, so that the temperature of the gas discharged from the exhaust port 1012 can be detected in real time, and the timing of spraying the cooling water by the water spraying device 200 can be controlled more conveniently.
In one specific embodiment, the pumping section 203 is a high pressure water pump.
In a specific embodiment, the water collecting portion 201 is a water collecting tank, and the water collecting tank is provided with a water inlet and a water outlet, the water inlet is used for cooling water to flow in, and the water outlet is connected with one end of the water conveying portion 202, so that cooling water in the water collecting tank can flow to the water conveying portion 202. The water collecting part 201 is arranged as a water collecting tank, and the water collecting tank is provided with a water inlet and a water outlet, so that the collection and the use of cooling water are more convenient.
In a specific embodiment, the water delivery portion 202 is a water spray pipe, and at least one water spray hole is provided at the other end of the water spray pipe to spray cooling water to the exhaust valve through the at least one water spray hole. The water delivery part 202 is provided with a water spray pipe, and at least one water spray hole is arranged at the other end of the water spray pipe, so that the spray angle can be conveniently adjusted in the process of spraying cooling water by using the water spray pipe, and the cooling water can be uniformly sprayed by the at least one water spray hole.
Specifically, the spray angle of the spray pipe for spraying cooling water to the exhaust valve 1013 and the diameter of the spray hole of at least one spray hole, and the number of the spray holes can be adjusted according to actual needs, so that the spraying of the cooling water is uniform, and a better cooling effect can be achieved.
Example 2
The present utility model provides a vehicle comprising an engine assembly as in embodiment 1.
In a specific embodiment, the vehicle further comprises an air conditioning system comprising a refrigerant circuit and an air-conditioning outlet duct, the refrigerant circuit comprising a compressor, a condenser, an expansion valve and an evaporator connected in series in sequence.
Fig. 3 is a schematic structural diagram of an air outlet duct 300 of an air conditioning system according to an embodiment. The air conditioner outlet duct 300 is provided with a blower 301, an evaporator 302, a temperature damper 303, a thermistor chip (Positive Temperature Coefficient, PTC) 304, and a water vapor separation device 305.
The evaporator 302 is disposed in the air-conditioning air outlet duct 300, and in a refrigerant circuit of the air conditioner, the refrigerant evaporates inside the evaporator 302 and absorbs heat from the air-conditioning air outlet duct 300, so that the refrigerant changes from low-temperature low-pressure liquid into low-temperature low-pressure gas, and cools the hot air entering the air-conditioning air outlet duct 300, so that water vapor contained in the hot air in the air-conditioning air outlet duct 300 is condensed into small water droplets when passing through the evaporator 302. When the temperature air door 303 is placed at the cooling position, the air in the air-conditioning air outlet duct 300 after being absorbed by the evaporator 302 is directly discharged from the air outlet without passing through the thermistor chip 304, so as to cool the passenger compartment, and when the temperature air door 303 is placed at the total heating position, the air in the air-conditioning air outlet duct 300 after being absorbed by the evaporator 302 is heated by the thermistor chip 304 and then discharged from the air outlet, so as to heat the passenger compartment.
Further, as shown in fig. 3, a water-vapor separation device 305 is disposed in the air conditioner outlet duct 300 at a position downstream of the evaporator 302, and the water-vapor separation device 305 has an air inlet, an air outlet, and a water outlet.
The water vapor containing water droplets after passing through the evaporator 302 may enter the water vapor separation device 305 from the air inlet of the water vapor separation device 305, the water vapor separation device 305 may separate the water vapor containing water droplets to obtain dry gas and separated water, the dry gas is discharged from the air outlet, and the separated water is discharged from the water outlet.
The vehicle further includes a filter having one end connected to the drain port of the water-vapor separator 305 and the other end connected to the water collecting portion 201, the filter being configured to filter the separated water discharged from the drain port to obtain purified water, and store the purified water as cooling water in the water collecting portion 201. Water contained in air in an air-conditioning outlet duct 300 of a vehicle air-conditioning system is condensed into water droplets, the water droplets are separated by a water-vapor separation device 305 to obtain separated water, and the separated water is filtered to obtain cooling water and stored in a water collecting portion 201. Therefore, during the running process of the vehicle, the cooling water in the water collecting part 201 can be supplemented, and the cooling water does not need to be supplemented by special manual stopping, so that the user experience is improved.
In addition, since the air conditioning system of the vehicle does not have a lot of water production in spring and autumn, in order to ensure sufficient amount of cooling water in the water collecting portion 201, the cooling water may be directly added to the water collecting portion 201 to satisfy the requirement of the amount of cooling water.
In one specific embodiment, as shown in fig. 4, a refrigerant circuit in an air conditioning system includes a compressor, a condenser, an expansion valve, and an evaporator connected in series in order. When ambient air passes through an evaporator in an air conditioning system, liquid refrigerant in the evaporator is evaporated to absorb heat in the process of being converted into a gas state, the temperature of the evaporator is reduced, hot air in an air conditioning pipeline is condensed into small water drops when passing through the evaporator, the small water drops are formed by condensation, the obtained separated water passes through a water-vapor separator (as an example of a water-vapor separator) and enters a water filter (as an example of a filter) through a water outlet of the water-vapor separator, and clean water (namely cooling water) obtained after filtration is stored in a water collecting tank. When the temperature sensor of the exhaust system detects that the temperature of the exhaust valve is too high, the high-pressure water pump can pump cooling water in the water collecting tank, meanwhile, the electromagnetic valve arranged at the other end of the water spray pipe is opened, the cooling water is sprayed onto the exhaust valve through the water spray pipe, when the temperature sensor detects that the exhaust temperature is lower than the target exhaust temperature, the electromagnetic valve is closed, and the water spray pipe stops spraying the cooling water.
While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.
Claims (10)
1. The engine assembly comprises an engine, wherein the engine comprises a cylinder cover and a cylinder, an exhaust passage is arranged on the cylinder cover, the exhaust passage is provided with an exhaust port communicated with the cylinder, and an exhaust valve for opening or closing the exhaust port is also arranged on the cylinder cover; wherein,,
the water collecting part is used for storing cooling water;
one end of the water delivery part is connected with the water collection part, and the other end of the water delivery part is arranged at a position facing the exhaust port in the exhaust channel so as to spray cooling water to the exhaust valve;
the water pumping part is used for spraying cooling water of the water collecting part to the exhaust valve through the water conveying part so as to cool the exhaust valve.
2. The engine assembly of claim 1, further comprising an engine coolant flow path for cooling the engine;
a part of the engine coolant flow path is provided on the circumferential side of the water collection portion.
3. The engine assembly of claim 1, wherein the water spray device further comprises a control portion disposed at the other end of the water delivery portion;
the control part can control the on-off of a flow path between one end and the other end of the water delivery part so as to control the state of the water spraying device.
4. The engine assembly of claim 3, wherein the control is a solenoid valve;
when the electromagnetic valve is closed, a flow path between the one end and the other end of the water delivery part is disconnected, and the other end of the water delivery part cannot spray cooling water to the exhaust valve;
when the electromagnetic valve is opened, a flow path between the one end and the other end of the water delivery portion communicates, so that the other end of the water delivery portion can spray cooling water to the exhaust valve.
5. The engine assembly of claim 1, further comprising a temperature sensor disposed at the exhaust port for detecting a temperature of the gas exiting the exhaust port.
6. The engine assembly of claim 1, wherein the water pumping section is a high pressure water pump.
7. The engine assembly of any one of claims 1-6, wherein the water collection portion is a water collection tank provided with a water inlet for inflow of cooling water and a water outlet connected to the one end of the water delivery portion so that cooling water in the water collection tank can flow to the water delivery portion.
8. The engine assembly of any one of claims 1-6, wherein the water delivery portion is a water jet pipe, and at least one water jet hole is provided at the other end of the water jet pipe to jet cooling water to the exhaust valve through the at least one water jet hole.
9. A vehicle comprising an engine assembly as claimed in any one of claims 1 to 8.
10. The vehicle of claim 9, further comprising an air conditioning system, the air conditioning system comprising a refrigerant circuit and an air conditioning outlet duct, the refrigerant circuit comprising an evaporator disposed within the air conditioning outlet duct to condense water vapor contained in air within the air conditioning outlet duct into water droplets when passing through the evaporator;
the vehicle further comprises a water-vapor separation device and a filter, wherein the water-vapor separation device is arranged in the air outlet duct of the air conditioner and positioned at the downstream position of the evaporator, and is provided with an air inlet, an air outlet and a water outlet;
the water vapor containing water drops after passing through the evaporator can enter the water vapor separation device from the air inlet of the water vapor separation device, the water vapor separation device can separate the water vapor containing water drops to obtain dry gas and separated water, the dry gas is discharged from the air outlet, and the separated water is discharged from the water outlet;
one end of the filter is connected with the water outlet of the water-vapor separation device, the other end of the filter is connected with the water collecting part, the filter is used for filtering the separated water discharged from the water outlet to obtain purified water, and the purified water is stored in the water collecting part as cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320108024.3U CN219327577U (en) | 2023-02-03 | 2023-02-03 | Engine assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320108024.3U CN219327577U (en) | 2023-02-03 | 2023-02-03 | Engine assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219327577U true CN219327577U (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320108024.3U Active CN219327577U (en) | 2023-02-03 | 2023-02-03 | Engine assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219327577U (en) |
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2023
- 2023-02-03 CN CN202320108024.3U patent/CN219327577U/en active Active
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