CN112343707A - Vehicle and vehicle control method - Google Patents
Vehicle and vehicle control method Download PDFInfo
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- CN112343707A CN112343707A CN202011213636.6A CN202011213636A CN112343707A CN 112343707 A CN112343707 A CN 112343707A CN 202011213636 A CN202011213636 A CN 202011213636A CN 112343707 A CN112343707 A CN 112343707A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a vehicle and a vehicle control method, the vehicle includes: the engine is provided with a water inlet end and a water outlet end; the radiator comprises a water inlet chamber, a heat dissipation core and a water outlet chamber, wherein a water inlet of the water inlet chamber is communicated with the water outlet end, a water outlet of the water inlet chamber is communicated with a water inlet of the heat dissipation core, a water outlet of the heat dissipation core is communicated with a water inlet of the water outlet chamber, and a water outlet of the water outlet chamber is communicated with the water inlet end; and the water inlet of the bypass branch is communicated with the water outlet of the water inlet chamber, and the water outlet of the bypass branch is communicated with the water inlet of the water outlet chamber. According to the invention, the water temperature in the engine can be adjusted by adjusting the water quantity supplied to the water inlet end through the radiator and the bypass branch, so that the water temperature in the engine cannot be too high or too low, the engine can be ensured to be always at the optimal water temperature, the condition of insufficient combustion in the engine is reduced, and the fuel economy of the whole vehicle can be improved.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to a vehicle and a vehicle control method.
Background
With the development of science and technology, vehicles are more and more widely applied in people's lives. The engine generates a large amount of heat during the running process of the vehicle, and when the temperature of the engine is too high, the work and the running efficiency of the engine are influenced. At present, a water-cooling or air-cooling heat dissipation mode is generally adopted to dissipate heat of an engine, heat balance calculation is carried out according to the severe working conditions that the vehicle climbs a long slope with 8.7% speed at 3 grades and 60km/h when the environmental temperature is 35 ℃ and runs at high speed at 140km/h when the environmental temperature is 40 ℃ and the like, the heat which needs to be dissipated under the two limit working conditions is calculated, and then proper air-cooling or water-cooling heat dissipation is selected.
However, in the actual use process of the vehicle, due to different regions and different seasons, the ambient temperature is mostly lower than the temperature, and the vehicle rarely runs for a long time under the working condition, so that in the actual use process, the power of the radiator is rich, and the temperature of the water discharged from the engine is lower. Because the optimal working water temperature of the engine is 100-110 ℃, the fuel economy of the whole vehicle is influenced due to the lower water temperature.
Disclosure of Invention
The invention mainly aims to provide a vehicle and a vehicle control method, and aims to solve the technical problems that in the prior art, the water temperature of an engine is low and the economical efficiency of fuel oil of the whole vehicle is poor.
To achieve the above object, the present invention provides a vehicle including: the engine is provided with a water inlet end and a water outlet end; the radiator comprises a water inlet chamber, a heat dissipation core and a water outlet chamber, wherein a water inlet of the water inlet chamber is communicated with the water outlet end, a water outlet of the water inlet chamber is communicated with a water inlet of the heat dissipation core, a water outlet of the heat dissipation core is communicated with a water inlet of the water outlet chamber, and a water outlet of the water outlet chamber is communicated with the water inlet end; and the water inlet of the bypass branch is communicated with the water outlet of the water inlet chamber, and the water outlet of the bypass branch is communicated with the water inlet of the water outlet chamber.
Preferably, an electromagnetic switch is arranged at the joint of the water inlet chamber and the bypass branch, the electromagnetic switch is used for opening or closing the bypass branch, and the electromagnetic switch is a normally open switch.
Preferably, the vehicle further includes: a controller; a wheel speed sensor for detecting a vehicle speed of the vehicle; the first temperature sensor is arranged on the outer surface of the vehicle, the wheel speed sensor, the first temperature sensor and the electromagnetic switch are electrically connected with the controller, and the controller controls the electromagnetic switch to be opened or closed through detection signals of the wheel speed sensor and the first temperature sensor.
Preferably, the vehicle further comprises a second temperature sensor electrically connected with the controller, the second temperature sensor is disposed at the water outlet end, and the controller controls the electromagnetic switch to open or close the bypass branch circuit through detection signals of the wheel speed sensor, the first temperature sensor and the second temperature sensor.
Preferably, the water inlet chamber and the water outlet chamber are respectively arranged on two opposite sides of the heat dissipation core, the bypass branch is tightly attached to the outer surface of the heat dissipation core, and the bypass branch is arranged between the water inlet chamber and the water outlet chamber.
Preferably, the water inlet chamber comprises a water inlet shell, a first main plate and a first sealing ring, the water inlet shell is connected with the water inlet of the heat dissipation core in a sealing manner through the first sealing ring, the first main plate is arranged between the water inlet shell and the first sealing ring, and a water inlet cavity is formed between the water inlet shell and the first main plate; go out the water chamber and include a water shell, second mainboard and second sealing washer, go out the water shell pass through the second sealing washer with the delivery port sealing connection of radiating core, the second mainboard set up in go out the water shell with between the second sealing washer, just go out the water shell with form out the water cavity between the second mainboard.
The invention also proposes a vehicle control method applied to the vehicle as described above, the steps of the vehicle control method including:
acquiring an ambient temperature, the speed of the vehicle and the water outlet temperature of the engine;
determining the respective intervals of the environment temperature, the vehicle speed and the effluent temperature;
searching corresponding control instructions in a preset control strategy table according to the respective intervals of the environment temperature, the vehicle speed and/or the water outlet temperature;
and correspondingly opening or closing the bypass branch according to the control instruction.
Preferably, the step of searching the corresponding control command in the preset control policy table according to the respective intervals where the environment temperature, the vehicle speed and/or the water outlet temperature are located includes:
when the section of the outlet water temperature is in the first water temperature section, the corresponding control is checked from the preset instruction table
Commanding the bypass branch to open;
and when the section of the outlet water temperature is in a second water temperature section, checking that the corresponding control instruction is to close the bypass branch from a preset instruction table.
Preferably, the step of searching the corresponding control command in the preset control policy table according to the respective intervals where the environment temperature, the vehicle speed and/or the water outlet temperature are located further includes:
when the section of the outlet water temperature is in a third water temperature section, the section of the environment temperature is in a first temperature section, and the section of the vehicle speed is in a first vehicle speed section, checking a corresponding control instruction from a preset instruction table to close the bypass branch;
when the section of the outlet water temperature is in a fourth water temperature section, the section of the environment temperature is in a second temperature section, and the section of the vehicle speed is in a first vehicle speed section, checking a corresponding control instruction from a preset instruction table to close the bypass branch;
and when the section of the outlet water temperature is in a fourth water temperature section, the section of the environment temperature is in a first temperature section, and the vehicle speed is not in a second vehicle speed section, checking a corresponding control command from a preset command table to close the bypass branch.
Preferably, the step of searching the corresponding control command in the preset control policy table according to the respective intervals where the environment temperature, the vehicle speed and/or the water outlet temperature are located further includes:
when the water outlet temperature is in a fifth water temperature range, the environment temperature is in a third temperature range and the vehicle speed is not in a first vehicle speed range, checking a corresponding control instruction from a preset instruction table to open the bypass branch;
when the section of the outlet water temperature is in a fifth water temperature section, the section of the environment temperature is in a second temperature section, and the section of the vehicle speed is in a second vehicle speed section, checking a corresponding control instruction from a preset instruction table to open the bypass branch;
and when the section of the outlet water temperature is in a sixth water temperature section, the section of the environment temperature is in a third temperature section and the section of the vehicle speed is in a second vehicle speed section, checking a corresponding control command from a preset command table to open the bypass branch.
According to the technical scheme, when the vehicle runs, the engine does work and generates a large amount of heat, the water in the engine drives the heat generated by the engine to enter the water inlet part of the water inlet chamber through the water outlet end and enter the water inlet of the heat dissipation core, the heat dissipation core can take away a large amount of heat after dissipating the heat of the water with the large amount of heat in the heat dissipation core, and the cooled water can enter the water inlet of the water outlet chamber through the water outlet of the heat dissipation core and enter the water inlet end through the water outlet of the water outlet chamber to provide cooling water for the engine. Meanwhile, the rest water in the water inlet chamber can enter the bypass branch through the water inlet of the bypass branch, and enters the water inlet of the water outlet chamber through the water outlet of the bypass branch, and enters the engine through the water outlet of the water outlet chamber. According to the invention, the water temperature in the engine can be adjusted by adjusting the water quantity supplied to the water inlet end through the radiator and the bypass branch, so that the water temperature in the engine cannot be too high or too low, the engine can be ensured to be always at the optimal water temperature, the condition of insufficient combustion in the engine is reduced, and the fuel economy of the whole vehicle can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an assembly of a heat sink and a bypass branch according to an embodiment of the present invention;
FIG. 2 is an exploded view of a heat sink and bypass circuit according to one embodiment of the present invention;
fig. 3 is a schematic diagram of a vehicle control method according to an embodiment of the invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
22 | Second main board |
| 1 | |
23 | |
| 11 | Water inlet shell | 24 | |
| 12 | First |
3 | |
| 13 | |
4 | |
| 14 | |
5 | Upper side plate |
| 2 | |
6 | Lower side plate |
| 21 | |
7 | Heat radiation core |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The description of the orientations of "up", "down", "left", "right", etc. in the present invention, with reference to the orientation shown in fig. 1, is merely used to explain the relative positional relationship between the components in the attitude shown in fig. 1, and if the particular attitude is changed, the directional indication is changed accordingly.
The invention provides a vehicle.
As shown in fig. 1 and 2, in an embodiment of the present invention, the vehicle includes an engine (not shown), a radiator 100, and a bypass branch 3; the engine is provided with a water inlet end and a water outlet end; the radiator 100 comprises a water inlet chamber 1, a heat dissipation core 7 and a water outlet chamber 2, wherein a water inlet of the water inlet chamber 1 is communicated with a water outlet end, a water outlet of the water inlet chamber 1 is communicated with a water inlet of the heat dissipation core 7, a water outlet of the heat dissipation core 7 is communicated with a water inlet of the water outlet chamber 2, and a water outlet of the water outlet chamber 2 is communicated with a water inlet end; the water inlet of the bypass branch 3 is communicated with the water outlet of the water inlet chamber 1, and the water outlet of the bypass branch 3 is communicated with the water inlet of the water outlet chamber 2. It can be understood that, in the present embodiment, the cross-sectional area of the bypass branch 3 is large, the water resistance is small, the heat dissipation area is small, and the heat dissipation capacity is small.
When the vehicle in this embodiment operates, the engine applies work and generates a large amount of heat, the water in the engine drives the heat generated by the engine to enter the water inlet part of the water inlet chamber 1 through the water outlet end and enter the water inlet of the heat dissipation core 7, after the heat dissipation core 7 dissipates the water with a large amount of heat in the heat dissipation core 7, the heat dissipation core 7 can take away a large amount of heat, and the cooled water can enter the water inlet of the water outlet chamber 2 through the water outlet of the heat dissipation core 7 and enter the water inlet end through the water outlet of the water outlet chamber 2 to provide cooling water for the engine. Meanwhile, the rest part of water in the water inlet chamber 1 can enter the bypass branch 3 through the water inlet of the bypass branch 3, enters the water inlet of the water outlet chamber 2 through the water outlet of the bypass branch 3, and enters the engine through the water outlet of the water outlet chamber 2. The accessible is adjusted through radiator 100 and bypass branch 3 to the water yield of intaking end water supply in this embodiment and is adjusted the temperature in the engine for too high or the low condition can not appear in the temperature in the engine, can guarantee that the engine is in optimum temperature all the time, with the insufficient condition of burning in the reduction engine, can improve the fuel economy of whole car.
Specifically, an electromagnetic switch 4 is arranged at the joint of the water inlet chamber 1 and the bypass branch 3, the electromagnetic switch 4 is used for opening or closing the bypass branch 3, and the electromagnetic switch 4 is a normally open switch. The electromagnetic switch 4 in the embodiment can adjust the opening and the switch of the bypass branch 3 according to the working condition of the engine, the water temperature in the engine is adjusted by adjusting the water quantity entering the engine through the bypass branch 3 in the water inlet chamber 1, and the electromagnetic switch 4 is kept in a normally open state, so that the water temperature of the engine can be kept in a range of 100-110 degrees, and the fuel economy of the whole vehicle is improved.
In one embodiment, the vehicle further comprises a controller, a wheel speed sensor, and a first temperature sensor; the wheel speed sensor is used for detecting the speed of the vehicle; first temperature sensor sets up in the surface of vehicle, and fast sensor of wheel, first temperature sensor and electromagnetic switch 4 all are connected with the controller electricity, and electromagnetic switch 4 opens or closes bypass branch 3 through fast sensor of wheel, first temperature sensor's detected signal control electromagnetic switch 4. The wheel speed sensor in this embodiment may be disposed on a wheel hub of a vehicle, and the first temperature sensor may be disposed at an intake grill of the vehicle to accurately detect an external ambient temperature. In addition, in this embodiment, the vehicle further includes a second temperature sensor electrically connected to the controller, the second temperature sensor is disposed at the water outlet end, and the electromagnetic switch 4 controls the electromagnetic switch 4 to open or close the bypass branch 3 through detection signals of the wheel speed sensor, the first temperature sensor and the second temperature sensor.
In this embodiment, the controller may determine how to adjust the opening of the bypass branch 3 according to the vehicle speed, the ambient temperature, and the outlet water temperature of the engine, or control the bypass branch 3 to open or close. In the present embodiment, the electromagnetic switch 4 is controlled by combining the detection signals of the wheel speed sensor, the first temperature sensor, and the second temperature sensor, so that the temperature of water in the engine can reach an optimum temperature.
As shown in fig. 2, in an embodiment, the inlet chamber 1 and the outlet chamber 2 are respectively disposed on the left and right sides of the heat dissipation core 7, the inlet chamber 1 and the outlet chamber 2 are fixed on the heat dissipation core 7 through the upper side plate 5 and the lower side plate 6, the bypass branch 3 is tightly attached to the outer surface of the heat dissipation core 7, the bypass branch 3 is disposed between the inlet chamber 1 and the outlet chamber 2, the bypass branch 3 is tightly attached to the lower surface of the heat dissipation core 7 through the lower side plate 6, and partial heat dissipation can be performed through the contact area between the bypass branch 3 and the heat sink 100. In addition, in the vehicle of this embodiment, the water inlet chamber 1 includes a water inlet housing, a first main plate 12 and a first sealing ring 13, the water inlet housing is connected to the water inlet of the heat dissipating core 7 through the first sealing ring 13 in a sealing manner, the first main plate 12 is disposed between the water inlet housing and the first sealing ring 13, and a water inlet cavity 14 is formed between the water inlet housing and the first main plate 12; the water outlet chamber 2 comprises a water outlet shell 21, a second main plate 22 and a second sealing ring 23, the water outlet shell 21 is connected with the water outlet of the heat dissipation core 7 in a sealing manner through the second sealing ring 23, the second main plate 22 is arranged between the water outlet shell 21 and the second sealing ring 23, and a water outlet cavity 24 is formed between the water outlet shell 21 and the second main plate 22. In this embodiment, the water inlet shell is hermetically connected to the heat dissipation core 7 through the first sealing ring 13, and the water outlet shell 21 is hermetically connected to the heat dissipation core 7 through the second sealing ring 23, so that the problem that the engine fails due to leakage of water passing through the water inlet cavity 14 and the water outlet cavity 24 can be avoided.
In addition, the invention also provides a vehicle control method, which is applied to the vehicle, and the specific structure of the radiator can be seen in fig. 1.
As shown in fig. 3, in a first embodiment of a vehicle control method provided by the present invention, the steps of the vehicle control method include:
step S10, acquiring the ambient temperature, the vehicle speed of the vehicle and the water outlet temperature of the engine;
step S20, determining the respective intervals of the environment temperature, the vehicle speed and the water outlet temperature;
step S30, searching corresponding control instructions in a preset control strategy table according to the respective intervals of the environment temperature, the vehicle speed and/or the water outlet temperature;
and step S40, correspondingly opening or closing the bypass branch 3 according to the control instruction.
In the first embodiment, the vehicle can open or close the bypass branch 3 according to the vehicle speed, the ambient temperature outside the vehicle and the outlet water temperature of the engine, and the bypass branch 3 can be closed under the conditions that the vehicle speed is higher, the heat generated by the engine is larger, the ambient temperature outside the vehicle is higher or the outlet water temperature of the engine is higher; the bypass branch 3 can be opened under the conditions of low vehicle speed, low heat generated by the engine, low ambient temperature or low engine water outlet temperature.
Further, according to a second embodiment of the vehicle control method provided by the present invention, the step of searching the preset control strategy table for the corresponding control command according to the section in which the environment temperature, the vehicle speed and/or the outlet water temperature are respectively located comprises:
step S31, when the water temperature is in the first water temperature range, checking the preset instruction table
The corresponding control instruction is to open the bypass branch 3;
step S32, when the water temperature is in the second water temperature range, checking from the preset instruction table that the corresponding control instruction is to close the bypass branch 3.
The first water temperature interval in this embodiment is less than 105 degrees, and the second water temperature interval in this embodiment is greater than or equal to 109 degrees; when the water outlet temperature is lower than 105 ℃, the bypass branch 3 can be opened to avoid excessive heat dissipation of the heat dissipation core 7 on the engine, and when the water outlet temperature is higher than 109 ℃, the bypass branch 3 can be closed to avoid the condition of overheating of the water temperature of the engine, so that the vehicle can be ensured to have higher fuel economy under different working conditions.
According to a second embodiment of the vehicle control method provided by the invention, a third embodiment of the vehicle control method is provided, wherein the step of searching the corresponding control command in the preset control strategy table according to the respective sections of the environment temperature, the vehicle speed and/or the effluent temperature further comprises:
step S33, when the water outlet temperature is in the third water temperature interval, the environment temperature is in the first temperature interval and the vehicle speed is in the first vehicle speed interval, checking the corresponding control command from a preset command table as closing the bypass branch 3;
step S34, when the water outlet temperature is in a fourth water temperature interval, the environment temperature is in a second temperature interval, and the vehicle speed is in a first vehicle speed interval, checking a corresponding control command from a preset command table as closing the bypass branch 3;
step S35, when the water temperature is in the fourth water temperature range, the ambient temperature is in the first temperature range, and the vehicle speed is not in the second vehicle speed range, finding out from the preset instruction table that the corresponding control instruction is to close the bypass branch 3.
In this embodiment, the third water temperature range is greater than or equal to 105 degrees and less than 106 degrees, and the fourth water temperature range is greater than or equal to 106 degrees and less than 107 degrees; the first vehicle speed interval is less than 45km/h, and the second vehicle speed interval is more than 80 km/h; the first temperature interval is greater than or equal to 30 ℃, and the second temperature interval is greater than 15 ℃ and less than 30 ℃;
when the temperature of the outlet water is more than or equal to 105 ℃ and less than 106 ℃, the ambient temperature is more than or equal to 30 ℃, and the vehicle speed is more than 80km/h, the bypass branch 3 can be closed; when the temperature of the outlet water is more than or equal to 106 ℃ and less than 107 ℃, the ambient temperature is more than 15 ℃ and less than 30 ℃, and the vehicle speed is less than 45km/h, the bypass branch 3 can be closed; when the outlet water temperature is greater than or equal to 106 degrees and less than 107 degrees, the environmental temperature is greater than or equal to 30 degrees, and the vehicle speed is not greater than 80km/h, the bypass branch 3 can be closed.
According to a fourth embodiment of the present invention, the step of searching the preset control policy table for the corresponding control command according to the section where the environment temperature, the vehicle speed and/or the effluent temperature are respectively located further comprises:
step S36, when the water outlet temperature is in a fifth water temperature range, the environment temperature is in a third temperature range and the vehicle speed is not in a first vehicle speed range, checking a corresponding control command from a preset command table to open the bypass branch 3;
step S37, when the water outlet temperature is in a fifth water temperature range, the environment temperature is in a second temperature range and the vehicle speed is in a second vehicle speed range, checking the corresponding control command from a preset command table as opening the bypass branch 3;
step S38, when the outlet water temperature is in the sixth water temperature range, the ambient temperature is in the third temperature range, and the vehicle speed is in the second vehicle speed range, the corresponding control command is found from the preset command table as opening the bypass branch 3.
In this embodiment, the fifth water temperature range is greater than or equal to 107 degrees and less than 108 degrees, the sixth water temperature range is greater than or equal to 108 degrees and less than 109 degrees, and the third water temperature range is less than or equal to 15 degrees.
When the temperature of the outlet water is more than or equal to 107 ℃ and less than 108 ℃, the ambient temperature is less than or equal to 15 ℃ and the vehicle speed is less than 45km/h, the bypass branch 3 can be opened; when the outlet water temperature is more than or equal to 107 ℃ and less than 108 ℃, the environment temperature is more than 15 ℃ and less than 30 ℃, and the vehicle speed is more than 80km/h, the bypass branch 3 can be opened; when the outlet water temperature is greater than or equal to 108 ℃ and less than 109 ℃, the ambient temperature is less than or equal to 15 ℃, and the vehicle speed is greater than 80km/h, the bypass branch 3 can be opened. The embodiment adjusts the bypass branch 3 based on the third embodiment, so that the water temperature of the engine is more accurate. The opening or closing of the bypass branch 3 in particular can be seen in the following preset control strategy table.
Presetting a control strategy table:
the above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A vehicle, characterized in that the vehicle comprises:
the engine is provided with a water inlet end and a water outlet end;
the radiator comprises a water inlet chamber, a heat dissipation core and a water outlet chamber, wherein a water inlet of the water inlet chamber is communicated with the water outlet end, a water outlet of the water inlet chamber is communicated with a water inlet of the heat dissipation core, a water outlet of the heat dissipation core is communicated with a water inlet of the water outlet chamber, and a water outlet of the water outlet chamber is communicated with the water inlet end;
and the water inlet of the bypass branch is communicated with the water outlet of the water inlet chamber, and the water outlet of the bypass branch is communicated with the water inlet of the water outlet chamber.
2. The vehicle as claimed in claim 1, characterized in that an electromagnetic switch is arranged at the junction of the water inlet chamber and the bypass branch, the electromagnetic switch is used for opening or closing the bypass branch, and the electromagnetic switch is a normally open switch.
3. The vehicle of claim 2, further comprising:
a controller;
a wheel speed sensor for detecting a vehicle speed of the vehicle;
the first temperature sensor is arranged on the outer surface of the vehicle, the wheel speed sensor, the first temperature sensor and the electromagnetic switch are electrically connected with the controller, and the controller controls the electromagnetic switch to be opened or closed through detection signals of the wheel speed sensor and the first temperature sensor.
4. The vehicle of claim 3, further comprising a second temperature sensor electrically connected to the controller, the second temperature sensor being disposed at the water outlet end, wherein the controller controls the electromagnetic switch to open or close the bypass branch according to detection signals of the wheel speed sensor, the first temperature sensor and the second temperature sensor.
5. The vehicle of any one of claims 1-4, characterized in that the inlet chamber and the outlet chamber are disposed on opposite sides of the heat sink core, the bypass branch is proximate to an outer surface of the heat sink core, and the bypass branch is disposed between the inlet chamber and the outlet chamber.
6. The vehicle of any one of claims 1-4, characterized in that the inlet chamber comprises an inlet housing, a first main plate, and a first sealing ring, the inlet housing is connected with the inlet of the heat dissipation core in a sealing manner through the first sealing ring, the first main plate is arranged between the inlet housing and the first sealing ring, and an inlet cavity is formed between the inlet housing and the first main plate;
go out the water chamber and include a water shell, second mainboard and second sealing washer, go out the water shell pass through the second sealing washer with the delivery port sealing connection of radiating core, the second mainboard set up in go out the water shell with between the second sealing washer, just go out the water shell with form out the water cavity between the second mainboard.
7. A vehicle control method that is applied to a vehicle according to any one of claims 1 to 6, characterized in that the steps of the vehicle control method include:
acquiring an ambient temperature, the speed of the vehicle and the water outlet temperature of the engine;
determining the respective intervals of the environment temperature, the vehicle speed and the effluent temperature;
searching corresponding control instructions in a preset control strategy table according to the respective intervals of the environment temperature, the vehicle speed and/or the water outlet temperature;
and correspondingly opening or closing the bypass branch according to the control instruction.
8. The vehicle control method according to claim 7, wherein the step of searching the preset control policy table for the corresponding control command according to the section in which the ambient temperature, the vehicle speed and/or the outlet water temperature are respectively located comprises:
when the section of the outlet water temperature is in a first water temperature section, checking a corresponding control instruction from a preset instruction table to open the bypass branch;
and when the section of the outlet water temperature is in a second water temperature section, checking that the corresponding control instruction is to close the bypass branch from a preset instruction table.
9. The vehicle control method according to claim 7, wherein the step of searching the preset control policy table for the corresponding control command according to the section in which the ambient temperature, the vehicle speed and/or the outlet water temperature are respectively located further comprises:
when the section of the outlet water temperature is in a third water temperature section, the section of the environment temperature is in a first temperature section, and the section of the vehicle speed is in a first vehicle speed section, checking a corresponding control instruction from a preset instruction table to close the bypass branch;
when the section of the outlet water temperature is in a fourth water temperature section, the section of the environment temperature is in a second temperature section, and the section of the vehicle speed is in a first vehicle speed section, checking a corresponding control instruction from a preset instruction table to close the bypass branch;
and when the section of the outlet water temperature is in a fourth water temperature section, the section of the environment temperature is in a first temperature section, and the vehicle speed is not in a second vehicle speed section, checking a corresponding control command from a preset command table to close the bypass branch.
10. The vehicle control method according to claim 7, wherein the step of searching the preset control policy table for the corresponding control command according to the section in which the ambient temperature, the vehicle speed and/or the outlet water temperature are respectively located further comprises:
when the water outlet temperature is in a fifth water temperature range, the environment temperature is in a third temperature range and the vehicle speed is not in a first vehicle speed range, checking a corresponding control instruction from a preset instruction table to open the bypass branch;
when the section of the outlet water temperature is in a fifth water temperature section, the section of the environment temperature is in a second temperature section, and the section of the vehicle speed is in a second vehicle speed section, checking a corresponding control instruction from a preset instruction table to open the bypass branch;
and when the section of the outlet water temperature is in a sixth water temperature section, the section of the environment temperature is in a third temperature section and the section of the vehicle speed is in a second vehicle speed section, checking a corresponding control command from a preset command table to open the bypass branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011213636.6A CN112343707A (en) | 2020-11-02 | 2020-11-02 | Vehicle and vehicle control method |
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|---|---|---|---|---|
| US4475485A (en) * | 1982-01-19 | 1984-10-09 | Nippondenso Co., Ltd. | Engine cooling system control apparatus |
| US20150191078A1 (en) * | 2014-01-07 | 2015-07-09 | Toyota Jidosha Kabushiki Kaisha | Vehicle including shutter device for adjusting temperature of coolant water of engine |
| US20180073421A1 (en) * | 2015-03-10 | 2018-03-15 | Jaguar Land Rover Limited | Controller for a motor vehicle cooling system and method |
| CN109236450A (en) * | 2018-09-27 | 2019-01-18 | 潍柴动力股份有限公司 | A kind of cooling system of engine, control method and engine |
| CN109681310A (en) * | 2019-01-07 | 2019-04-26 | 南京协众汽车空调集团有限公司 | A kind of mixed electrical automobile high-efficiency radiator |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475485A (en) * | 1982-01-19 | 1984-10-09 | Nippondenso Co., Ltd. | Engine cooling system control apparatus |
| US20150191078A1 (en) * | 2014-01-07 | 2015-07-09 | Toyota Jidosha Kabushiki Kaisha | Vehicle including shutter device for adjusting temperature of coolant water of engine |
| US20180073421A1 (en) * | 2015-03-10 | 2018-03-15 | Jaguar Land Rover Limited | Controller for a motor vehicle cooling system and method |
| CN109236450A (en) * | 2018-09-27 | 2019-01-18 | 潍柴动力股份有限公司 | A kind of cooling system of engine, control method and engine |
| CN109681310A (en) * | 2019-01-07 | 2019-04-26 | 南京协众汽车空调集团有限公司 | A kind of mixed electrical automobile high-efficiency radiator |
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Application publication date: 20210209 |