CN114516290A - Coordination control method and device for seat and air conditioner in vehicle - Google Patents

Coordination control method and device for seat and air conditioner in vehicle Download PDF

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Publication number
CN114516290A
CN114516290A CN202011296806.1A CN202011296806A CN114516290A CN 114516290 A CN114516290 A CN 114516290A CN 202011296806 A CN202011296806 A CN 202011296806A CN 114516290 A CN114516290 A CN 114516290A
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Prior art keywords
vehicle
seat
air conditioner
temperature
heating
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CN202011296806.1A
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CN114516290B (en
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刘江
鄢莹
周明玲
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SAIC Motor Corp Ltd
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SAIC Motor Corp Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5628—Heating or ventilating devices characterised by convection by air coming from the vehicle ventilation system, e.g. air-conditioning system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00285—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for vehicle seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention provides a coordination control method and a device for a seat and an air conditioner in a vehicle, wherein the method comprises the steps of judging whether to heat the seat in the vehicle or not and judging whether to ventilate the seat in the vehicle or not according to at least one parameter monitored by the air conditioner in the vehicle; and reduces the air volume of the blower of the air conditioner in the vehicle when heating or ventilating the seat in the vehicle. Whether the seat in the vehicle is heated and ventilated is judged according to the parameters monitored by the air conditioner in the vehicle, and automatic control is performed, so that the intellectualization of the control of the seat in the vehicle is realized, and the user experience is improved; and when the seat in the vehicle is heated or ventilated, the air quantity of an air blower of the air conditioner in the vehicle is reduced under the condition of meeting the comfort level of the air in the vehicle, and the energy consumption of an air conditioning system in the vehicle is saved.

Description

Coordination control method and device for seat and air conditioner in vehicle
Technical Field
The invention relates to the technical field of vehicles, in particular to a method and a device for coordinately controlling a seat and an air conditioner in a vehicle.
Background
In order to improve the comfort of the vehicle, the heating and ventilation functions are additionally arranged on the seats of some vehicle types. Seat heating utilizes an electrical heating device within the seat to heat the interior of the seat and transfer heat to the occupant via heat transfer. The seat ventilation is an effective supplement of a vehicle air conditioning system, and air flows out from small holes in a seat cushion and a backrest through a ventilation circulating system, so that the accumulated sweat of buttocks and the back is prevented, and a comfortable riding environment is provided.
At present, the seat heating and the seat ventilation control are controlled by a key switch in a vehicle, and gears are adjusted according to the temperature of the seat. The control mode can be started and closed only by manual operation of a user, and the intelligent degree is low.
Disclosure of Invention
In view of this, the present invention provides a method and an apparatus for coordinated control of an in-vehicle seat and an air conditioner, which are intended to automatically control the seat to ventilate or heat according to a parameter monitored by the in-vehicle air conditioner, so as to achieve intellectualization of the in-vehicle seat control, thereby improving user experience.
In order to achieve the above object, the proposed solution is as follows:
in a first aspect, a method for coordinated control of a seat and an air conditioner in a vehicle is provided, which includes:
judging whether to heat the seat in the vehicle and whether to ventilate the seat in the vehicle according to at least one parameter monitored by the air conditioner in the vehicle;
when the seat in the vehicle is heated or ventilated, the air volume of a blower of the air conditioner in the vehicle is reduced.
Preferably, when the in-vehicle air conditioner is turned on and the manual mode of the seat is not turned on, the method determines whether to heat the in-vehicle seat and determine whether to ventilate the in-vehicle seat according to at least one parameter monitored by the in-vehicle air conditioner, and specifically includes:
calculating a first temperature difference and a second temperature difference, wherein the first temperature difference is a difference value between a target temperature of an air outlet of the air conditioner in the vehicle and an actual temperature of the air outlet, and the second temperature difference is a difference value between a target temperature of an evaporator of the air conditioner in the vehicle and an actual temperature of the evaporator;
judging whether a seat in the vehicle is heated or not according to the relationship between the first temperature difference and a first temperature difference threshold value and the relationship between the second temperature difference and a third temperature difference threshold value, wherein the first temperature difference threshold value and the third temperature difference threshold value are both greater than 0 ℃ and less than 100 ℃;
according to the size relation between the first temperature difference and the second temperature difference threshold value and the size relation between the second temperature difference and the fourth temperature difference threshold value, whether the seat in the vehicle is ventilated is judged, and the second temperature difference threshold value and the fourth temperature difference threshold value are both smaller than 0 ℃ and larger than-40 ℃.
Preferably, when it is determined that the vehicle interior seat is ventilated when the vehicle interior air conditioner is turned on and the manual seat mode is not turned on, the method further includes:
determining ventilation parameters according to a ventilation parameter formula, wherein the ventilation parameter formula is RVL＝K×((Tam-fTam1)+(I/fI1))×(Tin-fTin1) Wherein R isVLIs a ventilation parameter, K is a correction parameter, K is more than 0, TamIs the actual temperature outside the vehicle, fTam1Is the first outside vehicle temperature threshold, I is the sunlight intensity, fI1Is a first solar intensity threshold, TinIs the actual temperature in the vehicle, fTin1A first in-vehicle temperature threshold;
and determining the ventilation grade according to the range of the ventilation parameters.
Preferably, the reducing the air volume of the blower of the in-vehicle air conditioner when ventilating the in-vehicle seat specifically includes:
and reducing the air volume of the blower of the air conditioner in the vehicle according to different ventilation grades.
Preferably, when it is determined that the in-vehicle seat is heated when the in-vehicle air conditioner is turned on and the manual seat mode is not turned on, the method further includes:
determining a heating parameter according to a heating parameter formula, wherein the heating parameter formula is RHL＝S×((fTam2-Tam)+(I/fI2))×(fTin2-Tin) Wherein R isHLIs a heating parameter, S is a correction parameter, S > 0, TamIs the actual temperature outside the vehicle, fTam2Is the second outside-vehicle temperature threshold, I is the sunlight intensity, fI2Is the second solar intensity threshold, TinIs the actual temperature in the vehicle, fTin2A second in-vehicle temperature threshold;
and determining the heating grade according to the range of the heating parameter.
Preferably, when the seat in the vehicle is heated, the method of reducing the air volume of the blower of the air conditioner in the vehicle specifically includes:
and reducing the air volume of the blower of the air conditioner in the vehicle according to different heating grades.
Preferably, under the condition that air conditioner in the car is not opened and the manual mode of seat is not opened, according to at least one parameter of air conditioner monitoring in the car, judge whether heat seat in the car to and judge whether ventilate seat in the car, specifically include:
according to the temperature range of the actual temperature outside the vehicle and the temperature range of the actual temperature inside the vehicle, whether the seat inside the vehicle is heated or not and whether the seat inside the vehicle is ventilated or not are judged.
Preferably, the vehicle interior air conditioner further includes, when the vehicle interior seat is heated when the manual seat mode is not in the on state and the vehicle interior air conditioner is in the on state:
the heating level is decreased after the duration of the solar intensity greater than the solar intensity threshold is greater than the duration threshold.
Preferably, the ventilation control apparatus further includes, when the in-vehicle seat is ventilated while the in-vehicle air conditioner is on and the manual seat mode is not on:
the heating level is increased after the duration of the solar intensity greater than the solar intensity threshold is greater than the duration threshold.
In a second aspect, there is provided a cooperative control apparatus for a seat and an air conditioner in a vehicle, comprising:
the heating and ventilation judging unit is used for judging whether to heat the seat in the automobile or not and judging whether to ventilate the seat in the automobile or not according to at least one parameter monitored by the air conditioner in the automobile;
and the air volume reducing unit is used for reducing the air volume of an air blower of the air conditioner in the vehicle when the seat in the vehicle is heated or ventilated.
Preferably, the heating and ventilation determining unit specifically includes:
the temperature difference judging subunit is used for calculating a first temperature difference and a second temperature difference under the condition that the air conditioner in the automobile is started and the manual mode of the seat is not started, wherein the first temperature difference is a difference value between a target temperature of an air outlet of the air conditioner in the automobile and an actual temperature of the air outlet, and the second temperature difference is a difference value between a target temperature of an evaporator and an actual temperature of the evaporator of the air conditioner in the automobile;
the heating judgment subunit is used for judging whether to heat the seat in the automobile or not according to the relationship between the first temperature difference and the first temperature difference threshold value and the relationship between the second temperature difference and the third temperature difference threshold value, and the first temperature difference threshold value and the third temperature difference threshold value are both greater than 0 ℃ and less than 100 ℃;
and the ventilation judgment subunit is used for judging whether to ventilate the seat in the vehicle according to the magnitude relation between the first temperature difference and the second temperature difference threshold value and the magnitude relation between the second temperature difference and the fourth temperature difference threshold value, wherein the second temperature difference threshold value and the fourth temperature difference threshold value are both less than 0 ℃ and more than-40 ℃.
Preferably, the coordinated control device for the seat and the air conditioner in the vehicle further includes:
a ventilation parameter calculation unit for determining a ventilation parameter according to a ventilation parameter formula under the condition that the air conditioner in the vehicle is turned on and the manual mode of the seat is not turned on, wherein the ventilation parameter formula is RVL＝K×((Tam-fTam1)+(I/fI1))×(Tin-fTin1) Wherein R isVLIs a ventilation parameter, K is a correction parameter, K is more than 0, TamIs the actual temperature outside the vehicle, fTam1Is the first outside vehicle temperature threshold, I is the sunlight intensity, fI1Is a first solar intensity threshold, TinIs the actual temperature in the vehicle, fTin1A first in-vehicle temperature threshold;
and the ventilation grade determining unit is used for determining the ventilation grade according to the range of the ventilation parameter.
Preferably, the air volume reducing unit is specifically configured to reduce air volumes of blowers of the in-vehicle air conditioner differently according to different ventilation levels.
Preferably, the coordinated control device for the seat and the air conditioner in the vehicle further includes:
a heating parameter calculation unit for turning on the air conditioner in the car and for a chair handUnder the condition that the dynamic mode is not started, determining a heating parameter according to a heating parameter formula, wherein the heating parameter formula is RHL＝S×((fTam2-Tam)+(I/fI2))×(fTin2-Tin) Wherein R isHLIs a heating parameter, S is a correction parameter, S > 0, TamIs the actual temperature outside the vehicle, fTam2Is the second outside-vehicle temperature threshold, I is the sunlight intensity, fI2Is the second solar intensity threshold, TinIs the actual temperature in the vehicle, fTin2A second in-vehicle temperature threshold;
and the heating level determining unit is used for determining the heating level according to the range of the heating parameters.
Preferably, the air volume reducing unit is specifically configured to reduce air volumes of blowers of the in-vehicle air conditioner differently according to different heating levels.
Preferably, the heating and ventilation determining unit specifically includes:
and the heating and ventilation judging subunit is used for judging whether to heat the seat in the vehicle or not and judging whether to ventilate the seat in the vehicle according to the temperature range of the actual temperature outside the vehicle and the temperature range of the actual temperature in the vehicle.
Preferably, the coordinated control device for the seat and the air conditioner in the vehicle further includes:
and the heating level adjusting unit is used for reducing the heating level when the seat in the vehicle is heated under the condition that the air conditioner in the vehicle is started and the manual seat mode is not started and the duration time that the sunlight intensity is greater than the sunlight intensity threshold value is greater than the duration time threshold value.
Preferably, the coordination control device for the seat and the air conditioner in the vehicle further includes:
and the ventilation grade adjusting unit is used for increasing the heating grade after the duration that the sunlight intensity is greater than the sunlight intensity threshold value is greater than the duration threshold value when the seat in the vehicle is ventilated under the condition that the air conditioner in the vehicle is started and the manual seat mode is not started.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the technical scheme, the coordination control method and the device for the seat and the air conditioner in the vehicle are provided, and the method comprises the steps of judging whether to heat the seat in the vehicle or not and judging whether to ventilate the seat in the vehicle or not according to at least one parameter monitored by the air conditioner in the vehicle; and reduces the air volume of the blower of the air conditioner in the vehicle when heating or ventilating the seat in the vehicle. Whether the seat in the vehicle is heated and ventilated is judged according to the parameters monitored by the air conditioner in the vehicle, and automatic control is performed, so that the intellectualization of the control of the seat in the vehicle is realized, and the user experience is improved; and when the seat in the vehicle is heated or ventilated, the air quantity of an air blower of the air conditioner in the vehicle is reduced under the condition of meeting the comfort level of the air in the vehicle, and the energy consumption of an air conditioning system in the vehicle is saved.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a system for providing an air conditioning and seating system for a vehicle according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for coordinating and controlling seats and air conditioners in a vehicle according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a coordinated control device for a seat and an air conditioner in a vehicle according to an embodiment of the invention.
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.
Referring to fig. 1, a schematic structural diagram of a system of an air conditioner and a seat in a vehicle according to the present embodiment is provided. The in-vehicle air conditioning system includes an air conditioning controller 10, an evaporator temperature sensor 11, an air outlet temperature sensor 12, an out-vehicle temperature sensor 13, an in-vehicle temperature sensor 14, a solar light intensity sensor 15, and a blower 16. The in-vehicle seat system includes a seat controller 17, a seat heating device 18, and a seat ventilation device 19. The air conditioner controller 10 is connected with the seat controller 17 in a communication mode, and data interaction can be carried out.
After the air conditioner in the vehicle is started, the evaporator temperature sensor 11, the air outlet temperature sensor 12, the temperature sensor 13 outside the vehicle, the temperature sensor 14 in the vehicle and the sunlight intensity sensor 15 all work to acquire data. The air conditioner controller 10 acquires data collected by the respective sensors. The air conditioner controller 10 calculates the target temperature T of the air outlet through an internal algorithm according to the temperature set by the user and the data collected by each sensorgventAnd target evaporator temperature TgeAnd further control the operation of the air conditioner.
When the air conditioner in the vehicle is not started, the evaporator temperature sensor 11 and the air outlet temperature sensor 12 do not work, and the temperature sensor 13 outside the vehicle, the temperature sensor 14 inside the vehicle and the sunlight intensity sensor 15 also work.
Referring to fig. 2, a coordinated control method for a seat and an air conditioner in a vehicle is provided for the embodiment, and the method includes the following steps:
s21: according to at least one parameter monitored by the air conditioner in the vehicle, whether the seat in the vehicle is heated or not is judged, and whether the seat in the vehicle is ventilated or not is judged.
The parameters monitored by the air conditioner in the vehicle in the embodiment comprise at least one of the actual temperature of the air outlet, the actual temperature of the evaporator, the actual temperature outside the vehicle, the actual temperature in the vehicle and the sunlight intensity. And step S21 is executed, whether the seat in the automobile is heated and ventilated is judged according to the parameters monitored by the air conditioner in the automobile, manual control by a user is not needed, the intellectualization of the control of the seat in the automobile is realized, and the user experience is improved.
S22: when the seat in the vehicle is heated or ventilated, the air volume of a blower of an air conditioner in the vehicle is reduced.
After determining to heat or ventilate the seat in the vehicle according to the parameters monitored by the air conditioner in the vehicle, the seat controller 19 controls the seat heating device 18 or the seat ventilating device 19 to work; when the seat in the vehicle is heated or ventilated, the air quantity of the blower 16 of the air conditioner in the vehicle is reduced under the condition of meeting the comfort level of the air in the vehicle, and the energy consumption of the air conditioning system in the vehicle is further saved.
The control of the seats in the vehicle also comprises a manual mode, and under the condition that the manual mode of the seats is opened, the automatic control scheme provided by the invention is not executed, but the control is carried out according to the manual setting of a user. The automatic control scheme provided by the invention can carry out different control according to two different conditions of starting the air conditioner and not starting the air conditioner.
When the in-vehicle air conditioner is turned on and the manual seat mode is not turned on, executing step S11 specifically includes:
step 111: calculating the target temperature T of the air outlet of the air conditioner in the vehiclegventAnd the actual temperature T of the air outletventDifference value Δ T ofvent，△Tvent＝Tgvent-Tvent。
Step 112: calculating target temperature T of evaporator of air conditioner in vehiclegeWith actual evaporator temperature TeDifference value Δ T ofe，△Te＝Tge-Te。
Step 113: according to Δ TventThreshold value T of temperature difference with the firstvent1Magnitude relation, and Δ TeAnd a third temperature difference threshold Te1And judging whether to heat the seat in the vehicle or not according to the size relation.
Tvent1And Te1Are all more than 0 ℃ and less than 100 ℃. In one embodiment, when Δ Tvent≥Tvent1And Δ Te≥Te1And if so, determining to heat the seat in the automobile, otherwise, determining not to heat the seat in the automobile. For the seat with the heating level, when the seat in the vehicle is determined to be heated, the process of determining the heating level is further included.
The process of determining the heating grade specifically comprises the steps of determining heating parameters according to a heating parameter formula; and determining the heating grade according to the range of the heating parameter. The formula of the heating parameters is as follows:
RHL＝S×((fTam2-Tam)+(I/fI2))×(fTin2-Tin)
wherein R isHLIs a heating parameter, S is a correction parameter, S > 0, TamIs the actual temperature outside the vehicle, fTam2Is a second outside-vehicle temperature threshold, I is the sunlight intensity, fI2Is a second sunlight intensity threshold, TinIs the actual temperature in the vehicle, fTin2And a second in-vehicle temperature threshold. f. ofTam2、fI2And fTin2Are all calibration constants, f is more than or equal to 5Tam2≤10；5≤fTin2≤10，50≤fI2≤100。
For the seat with the heating grade, the air blower of the air conditioner in the vehicle can be subjected to different air volume reduction according to different heating grades.
For a seating system with three speed seat ventilation, RHLValue and predetermined RHL1、RHL2、RHL3Comparing, and carrying out heating grade prejudgment, wherein the prejudgment conditions are as follows:
condition Heating gear H
RHL1≥RHL 0
RHL2≥RHL≥RHL1 1
RHL3≥RHL≥RHL2 2
RHL≥RHL3 3
RHL3≥RHL2≥RHL1Is more than or equal to 0. The larger the value of the heating range H, the higher the heating level, and the better the heating effect. A heating range H of 0 indicates that heating is not performed. When the vehicle seat is heated, the air volume Ga of the blower of the vehicle air conditioner is adjusted according to the formula Ga-k 1 xGa. k1 is a calibration parameter associated with heating range H, and the relationship between the two is shown in the following table.
Figure BDA0002785630100000071
Figure BDA0002785630100000081
Step 114: according to Δ TventAnd a second temperature difference threshold Tvent2A magnitude relation of (a), and Δ TeAnd a fourth temperature difference threshold Te2Whether the seat in the vehicle is ventilated is judged according to the size relationship.
Tvent2And Te2Are all less than 0 ℃ and more than-40 ℃. In one embodiment, when Δ Tvent≤Tvent2And Δ Te≤Te2And if the ventilation is large, the seat in the automobile is determined to be ventilated, otherwise, the seat in the automobile is determined not to be ventilated. For a seat with a ventilation level, when determining to ventilate the seat in the vehicle, the process of determining the ventilation level is also included.
The process of determining the ventilation grade is to determine ventilation parameters according to a ventilation parameter formula; and determining the ventilation grade according to the range of the ventilation parameters. The ventilation parameter formula is specifically as follows:
RVL＝K×((Tam-fTam1)+(I/fI1))×(Tin-fTin1)
wherein R isVLIs a ventilation parameter, K is a correction parameter, K is more than 0, TamIs the actual temperature outside the vehicle, fTam1Is the first outside vehicle temperature threshold, I is the sunlight intensity, fI1Is a first solar intensity threshold, TinIs the actual temperature in the vehicle, fTin1A first in-vehicle temperature threshold. f. ofTam1、fI1And fTin1Are all calibrated constants. F is not less than 5Tam1≤10；5≤fTin1≤10，50≤fI1≤100。
And for the seat with the ventilation grade, reducing the air volume of the blower of the air conditioner in the vehicle differently according to different ventilation grades.
For a seating system with three speed seat ventilation, RVLValue and predetermined RVL1、RVL2、RVL3Comparing, and pre-judging the ventilation grade under the following conditions:
condition Ventilation gear D
RVL1≥RVL 0
RVL2≥RVL≥RVL1 1
RVL3≥RVL≥RVL2 2
RVL≥RVL3 3
RVL3≥RVL2≥RVL1Is more than or equal to 0. The larger the numerical value of the ventilation gear D is, the higher the ventilation grade is, and the better the ventilation effect is; a ventilation gear D of 0 indicates that ventilation is not performed. When the vehicle seat is ventilated, the air volume Ga of the blower of the vehicle air conditioner is adjusted according to the formula Ga ═ f × Ga. f is a calibration parameter associated with the ventilation gear D. The relationship between the two is shown in the following table
Figure BDA0002785630100000082
Figure BDA0002785630100000091
In the control process, the actual temperature T outside the vehicle is followedamActual temperature T in vehicleamAnd the variation of parameters such as the intensity of sunlight I, RVLAnd RHLThe values may vary such that the ventilation level and the heating level of the seats in the vehicle may also vary. The seat in the vehicle is coordinated with the control of the air conditioner in the vehicle.
When the air conditioner in the vehicle is not turned on and the manual seat mode is not turned on, executing step S11 specifically includes: according to the temperature range of the actual temperature outside the vehicle and the temperature range of the actual temperature inside the vehicle, whether the seat inside the vehicle is heated or not and whether the seat inside the vehicle is ventilated or not are judged.
For the seat in the vehicle with the heating grade, when the seat in the vehicle is heated, the specific heating grade is determined according to the temperature range of the actual temperature outside the vehicle and the temperature range of the actual temperature inside the vehicle. And when the seat in the vehicle is heated, reducing the heating level after the duration that the sunlight intensity is greater than the sunlight intensity threshold is greater than the duration threshold.
For the seat system with the three-gear seat heating, the actual temperature T in the vehicle is determinedinAnd the actual temperature T outside the vehicleamDetermining a specific heating level:
1、Tinat most-10 ℃, and TamWhen the temperature is lower than-10 ℃, starting the H-3 seat for heating;
2、-10℃＜Tinnot more than 0 ℃ and TamWhen the temperature is lower than 0 ℃, starting H-2-gear seat heating;
3、0℃＜Tinat most 10 ℃ and TamAnd when the temperature is less than 10 ℃, starting H1 gear seat heating.
When the seat in the automobile is heated, the sunlight intensity is analyzed, and the sunlight intensity I and the duration time t are detected. If the following conditions are satisfied, the heating level is adjusted.
Condition 1: i value comparison Condition 2: duration of time Output value
I1≥I t≥t1 H
I2≥I≥I1 t≥t1 H-1
I3≥I≥I2 t≥t1 H-2
I≥I3 t≥t1 H-3
When the condition 1 and the condition 2 are satisfied simultaneously, the output value is the adjusted heating stage value, and when the output value is smaller than 0, the output value is 0.
For the seat in the vehicle with the ventilation grade, when the seat in the vehicle is determined to be ventilated, the specific ventilation grade is determined according to the temperature range of the actual temperature outside the vehicle and the temperature range of the actual temperature inside the vehicle. And increasing the heating level after the duration that the sunlight intensity is greater than the sunlight intensity threshold is greater than the duration threshold while ventilating the seat in the vehicle.
When ventilating the seat in the vehicle, for the seat system with the three-gear seat ventilation, the actual temperature T in the vehicle is determinedinAnd the actual temperature T outside the vehicleamDetermining the specific ventilation level:
1、30℃＜Tinless than or equal to 35 ℃ and less than T at 25 DEG CamWhen the seat is in the middle, the D-gear seat is opened for ventilation;
2.35℃＜Tinless than or equal to 40 ℃ and less than T at 25 DEG CamOpening D-2 seat ventilation;
3.40℃＜Tinand at 25 ℃ is < TamAnd D-3-gear seat ventilation is started.
When the seat in the vehicle is ventilated, the sunlight intensity is analyzed, and the sunlight intensity I and the duration time t are detected. If the following conditions are satisfied, the ventilation level is adjusted.
Condition 1: i value comparison Condition 2: duration of time Output value
I1≥I t1 D
I2≥I≥I1 t1 D+1
I3≥I≥I2 t1 D+2
I≥I3 T1 D+3
When the condition 1 and the condition 2 are satisfied at the same time, the output value is the adjusted ventilation gear stage value, and when the output value is smaller than 0, the output value is 0.
While, for purposes of simplicity of explanation, the foregoing method embodiments have been described as a series of acts or combination of acts, it will be appreciated by those skilled in the art that the present invention is not limited by the illustrated ordering of acts, as some steps may occur in other orders or concurrently with other steps in accordance with the invention.
The following are embodiments of the apparatus of the present invention that may be used to perform embodiments of the method of the present invention. For details which are not disclosed in the embodiments of the apparatus of the present invention, reference is made to the embodiments of the method of the present invention.
Referring to fig. 3, the coordinated control device for a seat and an air conditioner in a vehicle provided by the embodiment includes: a heating and ventilation determination unit 31 and an air volume reduction unit 32.
And a heating and ventilation determining unit 31 for determining whether to heat the seat in the vehicle and to ventilate the seat in the vehicle according to at least one parameter monitored by the air conditioner in the vehicle.
And an air volume reducing unit 32 for reducing the air volume of a blower of the air conditioner in the vehicle when the seat in the vehicle is heated or ventilated.
In some embodiments, the heating and ventilation determining unit 31 specifically includes: the temperature difference judging subunit, the heating judging subunit and the ventilation judging subunit.
And the temperature difference judging subunit is used for calculating a first temperature difference and a second temperature difference under the condition that the air conditioner in the automobile is started and the manual mode of the seat is not started, wherein the first temperature difference is a difference value between the target temperature of the air outlet of the air conditioner in the automobile and the actual temperature of the air outlet, and the second temperature difference is a difference value between the target temperature of the evaporator of the air conditioner in the automobile and the actual temperature of the evaporator.
And the heating judgment subunit is used for judging whether to heat the seat in the vehicle according to the relationship between the first temperature difference and the first temperature difference threshold value and the relationship between the second temperature difference and the third temperature difference threshold value, wherein the first temperature difference threshold value and the third temperature difference threshold value are both greater than 0 ℃ and less than 100 ℃.
And the ventilation judgment subunit is used for judging whether to ventilate the seat in the vehicle according to the magnitude relation between the first temperature difference and the second temperature difference threshold value and the magnitude relation between the second temperature difference and the fourth temperature difference threshold value, wherein the second temperature difference threshold value and the fourth temperature difference threshold value are both less than 0 ℃ and more than-40 ℃.
In some embodiments, the apparatus for coordinating and controlling a seat and an air conditioner in a vehicle further comprises: a ventilation parameter calculation unit and a ventilation level determination unit.
And the ventilation parameter calculation unit is used for determining the ventilation parameters according to the ventilation parameter formula under the condition that the air conditioner in the automobile is started and the manual seat mode is not started. The ventilation parameter is represented by the formula RVL＝K×((Tam-fTam1)+(I/fI1))×(Tin-fTin1) Wherein R isVLIs a ventilation parameter, K is a correction parameter, K is more than 0, TamIs the actual temperature outside the vehicle, fTam1Is the first outside temperatureThreshold, I is the intensity of sunlight, fI1Is a first solar intensity threshold, TinIs the actual temperature in the vehicle, fTin1A first in-vehicle temperature threshold.
And the ventilation grade determining unit is used for determining the ventilation grade according to the range of the ventilation parameters.
In some embodiments, the air volume reducing unit is specifically used for reducing the air volume of the blower of the vehicle air conditioner in different manners according to different ventilation levels.
In some embodiments, the apparatus for coordinating and controlling a seat and an air conditioner in a vehicle further comprises: a heating parameter calculation unit and a heating level determination unit.
And the heating parameter calculation unit is used for determining the heating parameters according to the heating parameter formula under the condition that the air conditioner in the automobile is started and the manual mode of the seat is not started. The heating parameter formula is RHL＝S×((fTam2-Tam)+(I/fI2))×(fTin2-Tin) Wherein R isHLIs a heating parameter, S is a correction parameter, S > 0, TamIs the actual temperature outside the vehicle, fTam2Is the second outside-vehicle temperature threshold, I is the sunlight intensity, fI2Is the second solar intensity threshold, TinIs the actual temperature in the vehicle, fTin2And a second in-vehicle temperature threshold.
And the heating level determining unit is used for determining the heating level according to the range of the heating parameters.
In some embodiments, the air volume reducing unit 32 is specifically configured to reduce the air volume of the blower of the in-vehicle air conditioner differently according to different heating levels.
In some embodiments, the heating and ventilation determining unit specifically includes: and the heating and ventilation judging subunit is used for judging whether to heat the seat in the vehicle or not and judging whether to ventilate the seat in the vehicle according to the temperature range of the actual temperature outside the vehicle and the temperature range of the actual temperature in the vehicle.
In some embodiments, the apparatus for coordinating and controlling a seat and an air conditioner in a vehicle further comprises: and the heating level adjusting unit is used for reducing the heating level when the seat in the vehicle is heated under the conditions that the air conditioner in the vehicle is started and the manual seat mode is not started and the duration that the sunlight intensity is greater than the sunlight intensity threshold value is greater than the duration threshold value.
In some embodiments, the apparatus for coordinating and controlling a seat and an air conditioner in a vehicle further comprises: and the ventilation grade adjusting unit is used for increasing the heating grade after the duration time that the sunlight intensity is greater than the sunlight intensity threshold value is greater than the duration time threshold value when the seat in the vehicle is ventilated under the conditions that the air conditioner in the vehicle is started and the manual seat mode is not started.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement without inventive effort.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are mainly described as different from other embodiments, the same and similar parts in the embodiments may be referred to each other, and the features described in the embodiments in the present description may be replaced with each other or combined with each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A coordinated control method for a seat and an air conditioner in a vehicle is characterized by comprising the following steps:
judging whether to heat the seat in the vehicle and whether to ventilate the seat in the vehicle according to at least one parameter monitored by the air conditioner in the vehicle;
when the seat in the vehicle is heated or ventilated, the air volume of a blower of the air conditioner in the vehicle is reduced.
2. The method for coordinately controlling a vehicle interior seat and an air conditioner as claimed in claim 1, wherein in a case where the vehicle interior air conditioner is turned on and the manual seat mode is not turned on, the determining whether to heat the vehicle interior seat and whether to ventilate the vehicle interior seat according to at least one parameter monitored by the vehicle interior air conditioner specifically comprises:
calculating a first temperature difference and a second temperature difference, wherein the first temperature difference is a difference value between a target temperature of an air outlet of the air conditioner in the vehicle and an actual temperature of the air outlet, and the second temperature difference is a difference value between a target temperature of an evaporator of the air conditioner in the vehicle and an actual temperature of the evaporator;
judging whether a seat in the vehicle is heated or not according to the relationship between the first temperature difference and a first temperature difference threshold value and the relationship between the second temperature difference and a third temperature difference threshold value, wherein the first temperature difference threshold value and the third temperature difference threshold value are both greater than 0 ℃ and less than 100 ℃;
according to the size relation between the first temperature difference and the second temperature difference threshold value and the size relation between the second temperature difference and the fourth temperature difference threshold value, whether the seat in the vehicle is ventilated is judged, and the second temperature difference threshold value and the fourth temperature difference threshold value are both smaller than 0 ℃ and larger than-40 ℃.
3. The method for coordinately controlling an in-vehicle seat and an air conditioner as claimed in claim 1, wherein when it is determined that ventilation is performed on the in-vehicle seat in a case where the in-vehicle air conditioner is on and a manual seat mode is not on, further comprising:
determining ventilation parameters according to a ventilation parameter formula, wherein the ventilation parameter formula is RVL＝K×((Tam-fTam1)+(I/fI1))×(Tin-fTin1) Wherein R isVLIs a ventilation parameter, K is a correction parameter, K is more than 0, TamIs the actual temperature outside the vehicle, fTam1Is the first outside vehicle temperature threshold, I is the sunlight intensity, fI1Is a first sunlight intensity threshold, TinIs the actual temperature in the vehicle, fTin1A first in-vehicle temperature threshold;
and determining the ventilation grade according to the range of the ventilation parameters.
4. The method for coordinately controlling a vehicle interior seat and an air conditioner according to claim 3, wherein the reducing of the air volume of the blower of the vehicle interior air conditioner during ventilation of the vehicle interior seat specifically includes:
and reducing the air volume of the blower of the air conditioner in the vehicle according to different ventilation grades.
5. The method for coordinately controlling an in-vehicle seat and an air conditioner as claimed in claim 1, wherein when it is determined that the in-vehicle seat is heated in a case where the in-vehicle air conditioner is turned on and the seat manual mode is not turned on, further comprising:
determining a heating parameter according to a heating parameter formula, said addingThe thermal parameter formula is RHL＝S×((fTam2-Tam)+(I/fI2))×(fTin2-Tin) Wherein R isHLIs a heating parameter, S is a correction parameter, S > 0, TamIs the actual temperature outside the vehicle, fTam2Is the second outside-vehicle temperature threshold, I is the sunlight intensity, fI2Is the second solar intensity threshold, TinIs the actual temperature in the vehicle, fTin2A second in-vehicle temperature threshold;
and determining the heating grade according to the range of the heating parameter.
6. The method for coordinately controlling a vehicle interior seat and an air conditioner according to claim 5, wherein the reducing an air volume of a blower of the vehicle interior air conditioner when heating the vehicle interior seat specifically includes:
and reducing the air volume of the blower of the air conditioner in the vehicle according to different heating grades.
7. The method for coordinately controlling a vehicle interior seat and an air conditioner as claimed in claim 1, wherein in a case where the vehicle interior air conditioner is not turned on and the manual seat mode is not turned on, the determining whether to heat the vehicle interior seat and whether to ventilate the vehicle interior seat according to at least one parameter monitored by the vehicle interior air conditioner specifically comprises:
according to the temperature range of the actual temperature outside the vehicle and the temperature range of the actual temperature inside the vehicle, whether the seat inside the vehicle is heated or not and whether the seat inside the vehicle is ventilated or not are judged.
8. The method for coordinately controlling an in-vehicle seat and an air conditioner as claimed in claim 1, further comprising, when heating the in-vehicle seat in a case where the in-vehicle air conditioner is on and a seat manual mode is not on:
the heating level is decreased after the duration of the solar intensity greater than the solar intensity threshold is greater than the duration threshold.
9. The method of claim 1, further comprising, when the air conditioning is on and the manual seat mode is not on, ventilating the vehicle interior seat:
the heating level is increased after the duration of the solar intensity greater than the solar intensity threshold is greater than the duration threshold.
10. A coordinated control device of a seat and an air conditioner in a vehicle, characterized by comprising:
the heating and ventilation judging unit is used for judging whether to heat the seat in the automobile or not and judging whether to ventilate the seat in the automobile or not according to at least one parameter monitored by the air conditioner in the automobile;
and the air volume reducing unit is used for reducing the air volume of an air blower of the air conditioner in the vehicle when the seat in the vehicle is heated or ventilated.
CN202011296806.1A 2020-11-18 2020-11-18 Method and device for coordinated control of seat and air conditioner in vehicle Active CN114516290B (en)

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