WO2020101605A2 - Procédé associé à un système de refroidissement d'habitacle de véhicule électrique - Google Patents

Procédé associé à un système de refroidissement d'habitacle de véhicule électrique Download PDF

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Publication number
WO2020101605A2
WO2020101605A2 PCT/TR2019/050668 TR2019050668W WO2020101605A2 WO 2020101605 A2 WO2020101605 A2 WO 2020101605A2 TR 2019050668 W TR2019050668 W TR 2019050668W WO 2020101605 A2 WO2020101605 A2 WO 2020101605A2
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
pedal
control unit
temperature
sensor
Prior art date
Application number
PCT/TR2019/050668
Other languages
English (en)
Other versions
WO2020101605A3 (fr
Inventor
Cihangir DERSE
Gurkan TOSUN
Mustafa SIMSEK
Furkan GOKMEN
Original Assignee
Tofas Turk Otomobil Fabrikasi Anonim Sirketi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tofas Turk Otomobil Fabrikasi Anonim Sirketi filed Critical Tofas Turk Otomobil Fabrikasi Anonim Sirketi
Publication of WO2020101605A2 publication Critical patent/WO2020101605A2/fr
Publication of WO2020101605A3 publication Critical patent/WO2020101605A3/fr

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Classifications

    • 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
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • 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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • B60H1/3208—Vehicle drive related control of the compressor drive means, e.g. for fuel saving purposes
    • 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
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3266—Cooling devices information from a variable is obtained related to the operation of the vehicle
    • 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
    • B60H1/32—Cooling devices
    • B60H2001/3269—Cooling devices output of a control signal
    • B60H2001/327—Cooling devices output of a control signal related to a compressing unit
    • B60H2001/3272—Cooling devices output of a control signal related to a compressing unit to control the revolving speed of a compressor

Definitions

  • the present invention relates to a cabin cooling system which is developed to increase range for electric vehicles.
  • Electric vehicles are manufactured in order to provide fuel saving, decrease urban pollution and reduce carbon emission.
  • the said electric vehicles operate with electrical energy, and use electrical energy they store from batteries or other energy storage devices by using one or more electric motors.
  • Electric motors give instant torque and provide powerful and balanced acceleration.
  • range is one of the most important problems of electric vehicles. Even though the batteries are the most important factor determining the range of the electric vehicle; beside this, the using style of these vehicles can significantly affect the range. Drivers may have very different driving profiles, and the performance that each driver expects from the vehicle is different as well.
  • Improving driving performance in an electric vehicle also means decreasing the range.
  • Chinese Patent document no CN107139678A an application known in the state of the art, discloses a system controlling the air conditioning system depending on speed in electric vehicles.
  • the system comprises an electromagnetic clutch, a relay, a frequency converter, a three-phase permanent-magnet synchronous motor, an air compressor and an electronic control unit ECU.
  • Air conditioning is controlled by the control unit while the vehicle is in low- speed or high-speed operation.
  • There is a calculation module in the system which adjust the air conditioner compressor rotation depending on the speed of the vehicle.
  • United States Patent document no US4862700A discloses a system which controls the air conditioning system depending on the acceleration, deceleration and stopping of the vehicle. It provides a method for controlling the operation of a variable displacement refrigerant compressor for vehicle air conditioner. For example, it can be restarted from temporary stoppage and acceleration quickly in intersection of city roads.
  • a gas pedal sensor There is a gas pedal sensor, vehicle control unit, battery, temperature sensor, and air conditioner compressor. The air conditioning system is adjusted depending on the vehicle speed.
  • air conditioner compressor can be operated at a first driving mode wherein a normal drive control is realized. Furthermore, the compressor can also be operated in a second driving mode in which the rotation speed of the compressor is increased relative to the normal driver control. The compressor can be driven in the second drive mode, at least when the vehicle operating speed is decreased.
  • a system that adjusts the vehicle air conditioning according to said modes is disclosed.
  • the driving speed at first driving mode can be a fixed value or it may change in a practically usable speed range.
  • the driving speed in the second driving mode may be a fixed value or may vary due to changes in various conditions, as it will be discussed in more detail below.
  • the objective of the present invention is to provide the adjustment of the air conditioner compressor in automotive industry when the battery charge rate in electric vehicles falls below a certain value and the vehicle temperature rises above a certain value.
  • Figure 1 is the schematic view of a cooling system in electric vehicles.
  • Figure 2 is flowchart of a cabin cooling method in electric vehicles.
  • Figure 3 is exemplary graphic of a cabin cooling method in electric vehicles.
  • Gas pedal A cooling system in electric vehicles (1) of the present invention essentially comprises
  • At least one pedal sensor (2) which is provided on gas pedal (G) in order to detect the opening of the gas pedal (G),
  • At least one temperature sensor (3) which is provided inside the vehicle for detecting the temperature of the vehicle
  • At least one battery (6) which is provided inside the vehicle
  • At least one control unit (4) which is adapted to activate an air conditioner compressor (5) in the vehicle in case heat value is above a predetermined value and battery (6) charge data is below a predetermined value by means of receiving pressing data from the pedal sensor (2), heat value from the temperature sensor (3) and charging level from the battery (6).
  • Pedal sensor (2) detecting that gas pedal (G) has been pressed and transmitting the pedal sensor (2) data to the control unit (4) in the vehicle in case it is pressed on the gas pedal (G) upon the electric vehicle is started,
  • Control unit (4) calculating the average pedal using time by reading the value coming from the pedal sensor (2) in predetermined intervals and taking its integral,
  • Temperature sensor (3) in the vehicle detecting the internal temperature of the vehicle cabin and transmitting temperature data to the control unit (4),
  • Control unit (4) calculating the coefficient factor from the differences between the temperature value adjusted by the user via the air conditioner button inside the vehicle and the current temperature of the vehicle cabin,
  • Control unit adjusting the air conditioner compressor (5) rotation by multiplying the average pedal using time with a certain coefficient if the data coming from the temperature sensor (3) is above the predetermined value and the battery charge is below the predetermined value.
  • a pedal sensor (2) is provided on the gas pedal (G) which detects the opening (range) of the pedal stroke when the user starts the ignition and presses the gas pedal (G).
  • the temperature sensor (3) in the vehicle detects the heat of the vehicle.
  • the control unit (4) in the vehicle activates the air conditioner compressor (5) in the vehicle in case heat value is above a predetermined value and battery (6) charge data is below a predetermined value by means of receiving pushing data from the pedal sensor (2), heat value from the temperature sensor (3) and charging level from the battery (6).
  • the pedal sensor (2) in the vehicle detects the opening at which the gas pedal (G) is pressed and transmits the pedal sensor (2) data to the control unit (4) in the vehicle in case the user presses the gas pedal (G) when the electric vehicle is started (101).
  • the control unit (4) calculates the average gas pedal (G) using time by reading the value coming from the pedal sensor (2) in predetermined intervals and taking its integral (102). For example, it finds average pedal using characteristic for T seconds.
  • the temperature sensor (3) in the vehicle detects the internal temperature of the vehicle cabin and transmits temperature data to the control unit (103).
  • the control unit (4) calculates the coefficient factor from the differences between the temperature value adjusted by the user via the air conditioner button inside the vehicle and the current temperature of the vehicle cabin (104).
  • the control unit adjusts the air conditioner compressor (5) rotation by multiplying the average gas pedal (G) using time with a certain coefficient if the data coming from the temperature sensor (3) is above the predetermined value and the battery (6) charge data is below the predetermined value (105).
  • Air conditioner rotation is multiplied by a certain coefficient depending on a graphic according to average gas pedal (G) using ratio (%R), and thus air conditioner rotation output is produced. That is, when the average of the gas pedal (G) is 0, the air conditioner set to the nominal speed (N) (e.g. 600 RPM) is reduced to KN (e.g.
  • RPM by means of multiplying by a certain coefficient according to the graph when the average gas pedal (G) using rate is R%.
  • Multiple graphs are used for output, not a single graph.
  • the variables in the graph are comprised of air conditioner multiplier, multiplier which is the difference between a predetermined value of the air conditioner multiplier and the temperature for the cabin, and temperature difference.
  • the graph coefficient circle narrows or expands depending on the temperature difference. Air conditioner rotation is adjusted by the output taken from the graph.
  • the air conditioner compressor can be operated at low power when using the gas pedal (G) at high rates and when the air temperature is low.
  • the air conditioner compressor (5) can be operated at high power if the air temperature is high.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention concerne un procédé associé à un système de refroidissement d'habitacle de véhicule électrique consistant à calculer la rotation du compresseur de climatiseur (5) lorsque le niveau de charge de la batterie (6) est inférieur à une certaine valeur et que la température du véhicule s'élève au-delà d'une certaine valeur dans le véhicule électrique.
PCT/TR2019/050668 2018-08-27 2019-08-08 Procédé associé à un système de refroidissement d'habitacle de véhicule électrique WO2020101605A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201812182 2018-08-27
TR2018/12182 2018-08-27

Publications (2)

Publication Number Publication Date
WO2020101605A2 true WO2020101605A2 (fr) 2020-05-22
WO2020101605A3 WO2020101605A3 (fr) 2020-07-16

Family

ID=70730568

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2019/050668 WO2020101605A2 (fr) 2018-08-27 2019-08-08 Procédé associé à un système de refroidissement d'habitacle de véhicule électrique

Country Status (1)

Country Link
WO (1) WO2020101605A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113865035A (zh) * 2021-09-30 2021-12-31 佛山市顺德区美的电子科技有限公司 便携空调器的控制方法、便携空调器以及控制装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040031349A1 (en) * 2002-08-19 2004-02-19 Ting-Hsing Chen Children's tricycle front strut structure
JP5466201B2 (ja) * 2011-06-08 2014-04-09 トヨタ自動車株式会社 電気自動車
CN105082937B (zh) * 2015-07-23 2017-07-11 北汽福田汽车股份有限公司 纯电动汽车的空调控制方法、***及纯电动汽车

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113865035A (zh) * 2021-09-30 2021-12-31 佛山市顺德区美的电子科技有限公司 便携空调器的控制方法、便携空调器以及控制装置

Also Published As

Publication number Publication date
WO2020101605A3 (fr) 2020-07-16

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