CN109356704B - A vehicle control system and vehicle - Google Patents
A vehicle control system and vehicle Download PDFInfo
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- CN109356704B CN109356704B CN201811130813.7A CN201811130813A CN109356704B CN 109356704 B CN109356704 B CN 109356704B CN 201811130813 A CN201811130813 A CN 201811130813A CN 109356704 B CN109356704 B CN 109356704B
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- control
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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
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a vehicle control system and a vehicle. The vehicle control system comprises a power module, a wading control module, a fan control module and a fan; the wading control module is used for controlling the power supply module to be connected or disconnected with the fan control module according to the received water level information; the fan control module is used for controlling the rotating speed of the fan; when the water level information is smaller than the preset water level, the power supply module is controlled to be conducted with the fan control module, and the fan control module is in a normal working state; when the water level information is larger than or equal to the preset water level, the control power supply module is disconnected with the fan control module, and the fan control module is in a power-off state. According to the technical scheme, when the water level information received by the wading control module is larger than or equal to the preset water level, the power supply module is controlled to be disconnected with the fan control module, so that the fan control module is in a power-off state, the engine fan is prevented from being broken and an engine wheel train is prevented from being damaged when a vehicle wades, and the reliability of the whole vehicle is improved.
Description
Technical Field
The embodiment of the invention relates to a vehicle control technology, in particular to a vehicle control system and a vehicle.
Background
The vehicle wading depth control system is applied to special vehicles in special fields, countries and regions with more rainwater, and has the wading depth requirement on the whole vehicle. When a vehicle wades, the engine fan is the weakest part, and the fan which runs highly in water generates extra large resistance, so that fan blades are easy to damage and an engine wheel train is easy to damage, and the reliability of the engine is difficult to guarantee.
At present, in order to meet the requirement of reliability of wading, in a whole car factory, in order to ensure that a fan is not damaged when wading, the strength of the fan is continuously enhanced, for example, a plastic fan is changed into an iron fan, but the problem that the stress of an engine gear train in water is greatly increased, and the breakage problem of relevant parts of gear trains such as a belt cannot be solved.
Disclosure of Invention
The embodiment of the invention provides a vehicle control system and a vehicle, which are used for preventing an engine fan from being broken and an engine gear train from being damaged when the vehicle wades into water and improving the reliability of the whole vehicle.
In a first aspect, an embodiment of the present invention provides a vehicle control system, including a power module, a wading control module, a fan control module, and a fan;
the wading control module is respectively and electrically connected with the power supply module and the fan control module and is used for controlling the power supply module and the fan control module to be connected or disconnected according to the received water level information;
the fan control module is connected with the fan and used for controlling the rotating speed of the fan;
when the water level information is smaller than a preset water level, the wading control module is used for controlling the power module to be conducted with the fan control module, transmitting a power signal of the power module to the fan control module, and enabling the fan control module to be in a normal working state;
when the water level information is larger than or equal to the preset water level, the wading control module is used for controlling the power module to be disconnected with the fan control module, and the fan control module is in a power-off state.
Optionally, the wading control module includes an electromagnetic fan clutch disconnection switch and a first relay;
the electromagnetic fan clutch disconnecting switch comprises a wading information receiving end, a first control end, a first normally open switch and a first normally closed switch; the first control end is electrically connected with the power supply module;
the first relay comprises a power signal receiving end, a second control end, a second normally open switch and a second normally closed switch; a power signal receiving end is electrically connected with the first normally open switch, the second control end is electrically connected with the power module, and the second normally closed switch is electrically connected with the fan control module;
when the water level information received by the wading information receiving end is smaller than a preset water level, the first control end is connected with the first normally-closed switch, the second control end is connected with the second normally-closed switch, the power module is conducted with the fan control module, a power signal of the power module is transmitted to the fan control module, and the fan control module is in a normal working state;
when the water level information received by the wading information receiving end is larger than or equal to a preset water level, the first control end is connected with the first normally-open switch, the power signal receiving end receives a power signal and controls the second control end to be connected with the second normally-open switch, the power module is disconnected with the fan control module, and the fan control module is in a power-off state.
Optionally, the alarm device further comprises an alarm module, wherein the alarm module is electrically connected with the second normally open switch;
when the water level information received by the wading information receiving end is larger than or equal to a preset water level, the first control end is connected with the first normally-open switch, the power signal receiving end receives a power signal and controls the second control end to be connected with the second normally-open switch, the power module is conducted with the alarm module, and the alarm module sends out an alarm signal.
Optionally, the alarm module includes at least one of a buzzer, a signal lamp and a voice prompt.
Optionally, the fan control module includes a temperature control switch, an air conditioner control switch, and an electromagnetic fan clutch; the temperature control switch and the air conditioner control switch are respectively and electrically connected with the electromagnetic fan clutch, and the temperature control switch and the air conditioner control switch are respectively and electrically connected with the second normally-closed switch;
the temperature control switch is used for controlling the rotating speed of the fan according to the water temperature information of the engine;
the air conditioner control switch is used for controlling the rotating speed of the fan according to the pressure information of the air conditioner condenser.
Optionally, the temperature control switch includes a first temperature control switch and a second temperature control switch; the electromagnetic fan clutch comprises a first coil and a second coil;
the first temperature control switch is electrically connected with the first coil, and the second temperature control switch is electrically connected with the second coil.
Optionally, the conduction temperature of the first temperature control switch is T1, wherein T1 is greater than or equal to 80 ℃ and less than 90 ℃; the conduction temperature of the second temperature control switch is T2, wherein T2 is more than or equal to 90 ℃.
Optionally, the air conditioner control switch includes a second relay and a delay relay; the electromagnetic fan clutch comprises a first coil and a second coil;
wherein the second relay is electrically connected with the second coil;
the delay relay is electrically connected to the first coil.
Optionally, the second relay includes a power signal receiving end of the first air conditioner compressor, a third control end, a third normally open switch and a third normally closed switch; the third control end is electrically connected with the second normally-closed switch, and the third normally-open switch is electrically connected with the second coil;
the delay relay comprises a power supply signal receiving end of the second air conditioner compressor, a fourth control end, a fourth normally open switch and a fourth normally closed switch; the fourth control end is electrically connected with the second normally closed switch, and the fourth normally open switch is electrically connected with the first coil;
the first air conditioner compressor power signal receiving end is used for receiving an air conditioner compressor power signal and controlling the third control end to be conducted with the third normally open switch;
and the second air conditioner compressor power supply signal receiving end is used for receiving an air conditioner compressor power supply signal and controlling the fourth control end to be conducted with the fourth normally open switch.
In a second aspect, the embodiment of the invention further provides a vehicle, which includes the vehicle control system.
The embodiment of the invention provides a vehicle control system, which comprises a power supply module, a wading control module, a fan control module and a fan, wherein the wading control module is connected with the power supply module; the wading control module is respectively and electrically connected with the power supply module and the fan control module and is used for controlling the power supply module and the fan control module to be connected or disconnected according to the received water level information; the fan control module is electrically connected with the fan and used for controlling the rotating speed of the fan; when the water level information is less than the preset water level, the wading control module is used for controlling the power supply module to be conducted with the fan control module, a power supply signal of the power supply module is transmitted to the fan control module, and the fan control module is in a normal working state; when the water level information is larger than or equal to the preset water level, the wading control module is used for controlling the power module to be disconnected with the fan control module, and the fan control module is in a power-off state. When the water level information received by the wading control module is larger than or equal to the preset water level, the power supply module is controlled to be disconnected with the fan control module, so that the fan control module is in a power-off state, the engine fan is prevented from being broken and an engine wheel train is prevented from being damaged when a vehicle wades, and the reliability of the whole vehicle is improved.
Drawings
FIG. 1 is a schematic diagram of a vehicle control system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of another vehicle control system provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another vehicle control system provided in the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of a vehicle control system according to an embodiment of the present invention. Referring to fig. 1, the vehicle control system includes a power module 10, a wading control module 20, a fan control module 30, and a fan 40; the wading control module 20 is electrically connected with the power module 10 and the fan control module 30 respectively, and is used for controlling the power module 10 and the fan control module 30 to be connected or disconnected according to the received water level information; the fan control module 30 is connected with the fan 40 and used for controlling the rotating speed of the fan 40; when the water level information is less than the preset water level, the wading control module 20 is used for controlling the power module 10 to be conducted with the fan control module 30, transmitting a power signal of the power module 10 to the fan control module 30, and enabling the fan control module 30 to be in a normal working state; when the water level information is greater than or equal to the preset water level, the wading control module 20 is used for controlling the power module 10 to be disconnected from the fan control module 20, and the fan control module 30 is in a power-off state.
The power module 10 may be an on-vehicle battery, for example, a 24V battery, and is configured to supply power to the wading control module 20 and the fan control module 30. The wading control module 20 is used to obtain water level information when the vehicle wades, and for example, a water level sensor may be provided on the fan 40 to obtain the water level information through the water level sensor. When the water level information is less than the preset water level, it indicates that the fan blades of the fan 40 do not have too much resistance due to water intrusion, and the fan control module 30 is used for adjusting the rotating speed of the fan 40 to dissipate heat according to the temperature of the cooling water of the engine and the air conditioning state; when the water level information is greater than or equal to the preset water level, it indicates that the blades of the fan 40 may be broken or damage the engine wheel train due to the excessive resistance of the wading, and at this time, the wading control module 20 disconnects the power module 10 and the fan control module 30, that is, the fan control module 30 is in a power-off state, so that the fan 40 is in a free state, and the blade breakage caused by the excessive resistance of the water is avoided.
According to the technical scheme, when the vehicle wades, the water level information received by the wading control module is larger than or equal to the preset water level, the power supply control module is disconnected with the fan control module, the fan control module is in the power-off state, the engine fan is prevented from being broken and damaging the engine wheel train when the vehicle wades, and the reliability of the whole vehicle is improved.
On the basis of the above technical solution, fig. 2 is a schematic structural diagram of another vehicle control system according to an embodiment of the present invention. Referring to fig. 2, optionally, the wading control module 20 includes an electromagnetic fan clutch disconnect switch 21 and a first relay 22; the electromagnetic fan clutch disconnecting switch 21 comprises a wading information receiving end a1, a first control end b1, a first normally open switch c1 and a first normally closed switch d 1; the first control terminal b1 is electrically connected with the power module 10; the first relay 22 comprises a power signal receiving end e1, a second control end b2, a second normally open switch c2 and a second normally closed switch d 2; the power signal receiving end e1 is electrically connected with the first normally open switch c1, the second control end b2 is electrically connected with the power module 10, and the second normally closed switch d2 is electrically connected with the fan control module 30; when the water level information received by the wading information receiving terminal 20 is smaller than the preset water level, the first control terminal b1 is connected with the first normally closed switch d1, the second control terminal b2 is connected with the second normally closed switch d2, the power module 10 is conducted with the fan control module 30, a power signal of the power module 10 is transmitted to the fan control module 30, and the fan control module 30 is in a normal working state; when the water level information received by the wading information receiving terminal 20 is greater than or equal to the preset water level, the first control terminal b1 is connected to the first normally open switch c1, the power signal receiving terminal e1 receives the power signal and controls the second control terminal b2 to be connected to the second normally open switch c2, the power module 10 is disconnected from the fan control module 30, and the fan control module 30 is in a power-off state.
It can be understood that, since the vehicle is on the ground during normal driving, the power module 10 and the fan control module 30 are electrically connected through the second normally closed switch d2 of the first relay 22 during normal driving (the water level information is less than the preset water level), the fan control module 30 works normally, and the rotation speed of the fan 40 is controlled according to actual requirements; when the water level information received by the wading control module 20 is greater than the preset water level, the first normally open switch c1 of the electromagnetic fan clutch disconnecting switch 21 is closed, so that the power module 10 is electrically connected with the power signal receiving end e1 of the first relay 22, the second normally open switch c2 of the first relay 22 is closed, and the second normally closed switch d2 is opened, so that the power module 10 is electrically connected with the fan control module 30, the fan control module 30 is in a power-off state, and the fan 40 is in a free state. The first relay 22 may be an electromagnetic relay.
Optionally, with continued reference to fig. 2, the vehicle control system further includes an alarm module 50, the alarm module 50 being electrically connected to a second normally open switch c 2; when the water level information received by the wading information receiving terminal 20 is greater than or equal to the preset water level, the first control terminal b1 is connected with the first normally open switch c1, the power signal receiving terminal e1 receives a power signal and controls the second control terminal b2 to be connected with the second normally open switch c2, the power module 10 is connected with the alarm module 50, and the alarm module 50 sends an alarm signal.
Optionally, the alarm module 50 includes at least one of a buzzer, a signal lamp and a voice prompt.
Through the arrangement of the alarm module, a driver can be reminded when the vehicle wades, the driver can slow down according to the reminding, the safety is guaranteed, and the warning can be realized through a buzzer, an indicator light, a voice reminding and the like, and the embodiment of the invention is not limited to the warning.
The technical scheme of this embodiment adopts reverse thinking, for satisfying the not impaired demand of wading engine fan, does not pursue the enhancement of fan intensity, but designs a wading control module control power module and fan control module and switches on or cut off the power supply, and simple structure realizes wading stall of engine fan, guarantees not receiving extra resistance in aqueous of whole engine train, ensures the reliability of train, can extensively use with various vehicles.
Fig. 3 is a schematic structural diagram of another vehicle control system according to an embodiment of the present invention. Referring to fig. 3, optionally, the fan control module 30 includes a temperature control switch 31, an air conditioning control switch 32, and an electromagnetic fan clutch 33; the temperature control switch 31 and the air-conditioning control switch 32 are respectively and electrically connected with the electromagnetic fan clutch 33, and the temperature control switch 31 and the air-conditioning control switch 32 are respectively and electrically connected with the second normally-closed switch d 2; the temperature control switch 31 is used for controlling the rotating speed of the fan 40 according to the engine water temperature information; the air conditioner control switch 32 is used to control the rotation speed of the fan 40 according to the pressure information of the air conditioner condenser.
It can be understood that the fan 40 performs heat dissipation at different rotation speeds according to the water temperature of the vehicle engine and the air conditioning state, for example, for a three-speed fan, the water temperature is low, and when the air conditioner is turned off, the fan 40 is in a free state and runs at a first speed; the fan 40 operates at two speeds as the water temperature rises requiring heat dissipation or the air conditioner is turned on but the condenser pressure is small; when high-power heat dissipation is required, the fan 40 runs at three speeds under the control of the temperature control switch 31 and the air conditioner control switch 32, and the fan 40 is adjusted to switch between the two speeds or the three speeds in real time according to the water temperature and the condenser pressure.
Optionally, the temperature control switch 31 includes a first temperature control switch 311 and a second temperature control switch 312; the electromagnetic fan clutch 33 includes a first coil 331 and a second coil 332; the first temperature control switch 311 is electrically connected to the first coil 331, and the second temperature control switch 312 is electrically connected to the second coil 332.
Optionally, the conduction temperature of the first temperature control switch 311 is T1, wherein T1 is greater than or equal to 80 ℃ and less than 90 ℃; the conduction temperature of the second temperature control switch 312 is T2, wherein T2 is greater than or equal to 90 ℃.
It is understood that the temperature of the engine water is to be maintained within a preset range, when the temperature of the engine water reaches T1, the first temperature control switch 311 is turned on, the first coil 331 of the electromagnetic fan clutch 33 is turned on, and the fan 40 is at the second speed; when the engine water temperature reaches T2, the second temperature switch 312 is turned on, the second coil 332 of the electromagnetic fan clutch 33 is turned on, and the fan 40 is at the third speed.
It should be noted that when the temperature drops below T2, the second temperature switch 312 is turned off, and the fan 40 always controls the water temperature within a reasonable range.
Optionally, the air conditioner control switch 32 includes a second relay 321 and a delay relay 322; the electromagnetic fan clutch 33 includes a first coil 331 and a second coil 332; wherein the second relay 322 is electrically connected with the second coil 332; the delay relay 322 is electrically connected to the first coil 331.
It can be understood that the second relay 321 and the delay relay are electrically connected to the second coil 332 and the first coil 331 respectively, when the condenser pressure is higher and heat dissipation is needed, the second relay 321 turns on the second coil 332, the fan 40 is at the second speed, and the delay relay 322 turns on the first coil 331 after a delay time, which may be 10s, for example, to prevent the electromagnetic fan clutch 33 from having too large instantaneous current.
It should be noted that the first temperature control switch 311 is connected in parallel with the second relay 321, the second temperature control switch 312 is connected in parallel with the delay relay 322, the vehicle integrates the water temperature and the air conditioner condenser pressure information, and the rotating speed of the fan 40 is controlled in real time, so as to ensure the normal operation of the vehicle.
Optionally, the second relay 321 includes a first air conditioner compressor power signal receiving end f1, a third control end b3, a third normally open switch c3 and a third normally closed switch d 3; the third control end b3 is electrically connected with the second normally closed switch d2, and the third normally open switch c3 is electrically connected with the second coil 332; the delay relay 322 comprises a second air conditioner compressor power signal receiving end f2, a fourth control end b4, a fourth normally open switch c4 and a fourth normally closed switch d 4; the fourth control end b4 is electrically connected with the second normally closed switch d2, and the fourth normally open switch c4 is electrically connected with the first coil 331; the first air conditioner compressor power signal receiving end f1 is used for receiving an air conditioner compressor power signal and controlling the third control end b3 to be conducted with the third normally open switch c 3; the second air conditioner compressor power signal receiving end f2 is used for receiving an air conditioner compressor power signal and controlling the fourth control end b4 to be conducted with the fourth normally open switch c 4.
It can be understood that, the second relay 321 and the delay relay 322 may both be electromagnetic relays, when the air conditioner condenser has a large pressure and needs a fan to dissipate heat, the air conditioner compressor power supplies power to the first air conditioner compressor power signal receiving terminal f1, the third control terminal b3 is controlled to be turned on with the third normally open switch c3, the power module 10 supplies power to the second coil 332, the air conditioner compressor power supplies power to the second air conditioner compressor power signal receiving terminal f2, after a certain time delay (for example, 10s), the fourth control terminal b4 is controlled to be turned on with the fourth normally open switch c4, the power module supplies power to the first coil 331, and the rotation speed control of the fan 40 is realized.
The embodiment of the invention also provides a vehicle comprising any vehicle control system provided by the embodiment. When the vehicle wades, when the water level information received by the wading control module is larger than or equal to the preset water level, the power supply module is controlled to be disconnected with the fan control module, so that the fan control module is in a power-off state, the engine fan is prevented from being broken and an engine wheel train is prevented from being damaged when the vehicle wades, and the reliability of the whole vehicle is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811130813.7A CN109356704B (en) | 2018-09-27 | 2018-09-27 | A vehicle control system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811130813.7A CN109356704B (en) | 2018-09-27 | 2018-09-27 | A vehicle control system and vehicle |
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| CN109356704A CN109356704A (en) | 2019-02-19 |
| CN109356704B true CN109356704B (en) | 2020-06-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829878B (en) * | 2020-06-08 | 2023-05-26 | 长城汽车股份有限公司 | Method and device for controlling vehicle and vehicle |
| CN112727590A (en) * | 2021-01-12 | 2021-04-30 | 徐工集团工程机械股份有限公司 | Vehicle and control method thereof |
| CN114645767B (en) * | 2021-05-25 | 2023-02-03 | 长城汽车股份有限公司 | Fan control method and device and vehicle |
| CN114439595A (en) * | 2022-03-09 | 2022-05-06 | 广西玉柴机器股份有限公司 | Engine fan control method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006336488A (en) * | 2005-05-31 | 2006-12-14 | Hino Motors Ltd | Cooling fan protection device |
| CN102923071B (en) * | 2012-10-30 | 2015-03-11 | 长城汽车股份有限公司 | Wading management system and control method for same |
| CN103867473A (en) * | 2012-12-11 | 2014-06-18 | 江苏林海动力机械集团公司 | Control circuit for special vehicle water tank cooling fan |
| GB2521350B (en) * | 2013-12-06 | 2016-01-27 | Jaguar Land Rover Ltd | Vehicle cooling system |
| CN204178208U (en) * | 2014-08-28 | 2015-02-25 | 利尔达科技集团股份有限公司 | Air Conditioning Facilities intelligent control system |
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