WO2015183219A1 - Heating system of vehicle battery - Google Patents

Heating system of vehicle battery Download PDF

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Publication number
WO2015183219A1
WO2015183219A1 PCT/TR2015/000208 TR2015000208W WO2015183219A1 WO 2015183219 A1 WO2015183219 A1 WO 2015183219A1 TR 2015000208 W TR2015000208 W TR 2015000208W WO 2015183219 A1 WO2015183219 A1 WO 2015183219A1
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WO
WIPO (PCT)
Prior art keywords
battery
air
radiator
heated
vehicle
Prior art date
Application number
PCT/TR2015/000208
Other languages
French (fr)
Inventor
Arda SUNER
Original Assignee
Otokar Otomotiv Ve Savunma Sanayi Anonim Şirketi
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 Otokar Otomotiv Ve Savunma Sanayi Anonim Şirketi filed Critical Otokar Otomotiv Ve Savunma Sanayi Anonim Şirketi
Publication of WO2015183219A1 publication Critical patent/WO2015183219A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • 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
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • 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
    • B60H2001/003—Component temperature regulation using an air flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/34—Cabin temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention subject to the application is related to a heating system for a vehicle battery which requires pre-heating that is necessary for a vehicle battery to provide sufficient current under cold climate conditions; wherein said battery is used in any kind of road vehicle, in order to actuate the ignition of the engine and the power units and other related systems.
  • At least a battery is provided in order to supply power to the electrical system of the vehicle and in order to actuate the internal combustion engine in all road vehicles. After the internal combustion engine is actuated, as the electric power that the vehicle requires is being supplied by the engine, the battery carries out its most primary function while actuating the engine.
  • the battery supplies the necessary energy to the electric starter motor in order to start the internal combustion engine and the starter motor receives the energy from the battery and converts it into kinetic energy and provides the required drive in order to start the internal combustion engine.
  • the battery does not have enough charge, as it cannot supply the necessary energy for the internal combustion engine to operate, the battery needs to be at such a state that it can supply the required energy during all kinds of weather conditions.
  • the current created by the battery under normal climate conditions is sufficient to start the electric motor.
  • the battery cannot supply the high current that is required to start the motor due to physical conditions at the anticipated value and due to this reason as sufficient current is not received by the electric motor, the internal combustion engine either starts to operate with delay or it might not start at all.
  • the battery During cold weather conditions in order for the internal combustion engine to operate properly, the battery needs to be heated to an optimum operational temperature.
  • the battery can supply the current needed by the electric motor only after it reaches a certain temperature.
  • an isothermal fluid which is heated by means of the heat received from the engine and the brake system during the motion of the vehicle, is collected inside an isothermal container and this fluid is pumped to the periphery of the battery during the next starting off of the vehicle; thereby ensuring that the battery is heated up to an optimum operation temperature.
  • the greatest disadvantage of this system is that, when the engine is not started for long periods of time, the heated fluid found inside the isothermal container cools down and can no longer provide preheating to the battery during the ignition of the vehicle.
  • the battery is heated up to an operational temperature by the distribution of the gasses that have been heated by a catalytic heater, in the base section of the battery.
  • the disadvantage of this system is that if the fuel of the catalytic heating system diminishes, the battery can no longer be heated up to an operational temperature.
  • resistance motor block heaters are provided which are in contact with the cooling fluid line of the internal combustion engine. These heaters enable to provide external electricity to the vehicle thereby increasing the temperature of the cooling fluid of the vehicle and ensuring that the temperature is kept at this level.
  • the cooling fluid is used to heat the battery.
  • the electric energy that is required by these heaters are supplied externally, it is not possible for such a system to work in environments where an external energy source cannot be found.
  • the compartment wherein the battery is located is coated with isolation material thereby aiming to keep the battery at a certain temperature after the efficient operational temperature of the battery is reached.
  • this embodiment will extend the cooling period of the battery only and cannot prevent the temperature from falling down to absolute ambient temperature.
  • minibus or bus type commercial vehicles which are used to transport passengers
  • additional heating units are provided.
  • said units are being used in minibus, or bus type commercial vehicles which are used to transport passengers nowadays, said units can be provided in all kinds of road vehicles that operate with an internal combustion engine.
  • This additional heating unit heats the water located in the motor and the radiator by means of the operation of the internal combustion engine by being fed with the fuel located inside the fuel tank of the vehicle under cold weather conditions.
  • the heated fluid is fed to the radiator unit via the pipe lines or fluid pipes thereby heating the interior of the vehicle.
  • the high temperature air obtained by means of the additional heater that has fed the radiator unit is directed to the battery compartment via the distribution channels and the battery is heated up to an optimum operational temperature.
  • Figure 1 The general view of the vehicle battery heating system subject to the invention. Definition of the aspects/sections/parts forming the invention
  • the invention subject to the application is a vehicle battery heating system developed in order to heat the battery (1) that supplies the required electric current sufficient enough to operate the electric motor and other systems related to the power unit, under cold weather conditions by means of the additional heating unit (22) and the radiator (9) located in all road vehicles but particularly in commercial vehicles that are used to transport passengers.
  • the battery heating system subject to the invention comprises;
  • At least an air distribution valve (5) which enables the directing of the air that has been heated by the radiator (9) to the battery compartment air inlet channel (3) or the radiator air outlet channel (8),
  • the air distribution valve (5) can have a manual structure which operated with an arm (13) located thereon or can operate electrically. Having said that, it must be noted that the sizes and numbers of the air distribution valve (5) the battery compartment of the air inlet channel (3), the air inlet (4), air outlet channel (8) of the radiator and radiator air outlet (7) can vary according to the number of the batteries (1) that are required to be heated, and the size of the vehicle into which the system shall be applied to.
  • the water type heating unit (12) is fed with the fuel from the fuel tank of the vehicle, and the internal combustion engine is operated; thereby the water inside the engine of the vehicle and the radiator fluid channels (10 and 11) are heated.
  • the heated water is transferred to the radiator (9) via the radiator water inlet channel (11) and the water which has a higher temperature than ambient temperature heats up the exchanger that is located inside the radiator (9).
  • the heat supplied by the exchanger is transferred to the vehicle cabin as heated air, by means of the fans of the radiator (9).
  • the cooled water is delivered and returned into the system via the radiator water outlet channel (10) and said water is re-heated and transferred to the exchanger.
  • the heated air (9) received out of the radiator is transferred to the desired areas in the vehicle by means of the air distribution channels (6).
  • the air flow that flows through a single channel (6) can be divided into two by the addition of an air distribution valve (5) to the end of one of the radiator air distribution channels (6) which are suitable in terms of location and function.
  • the heated air can be directed to the radiator outlet channel (8) or the battery compartment air inlet channel (3).
  • the heated air which has been directed to the battery compartment air inlet channel (3) is transferred to the battery compartment (2) and the vehicle battery (1) can be heated up to an optimum operation temperature.
  • the valve (5) is moved at the opposite direction by means of the arm (13) located thereon, thereby enabling the heated air to be directed towards the radiator air outlet channel (8), the radiator air outlet channel (7) and then into the cabin of the vehicle. As a result the battery is prevented from exceeding the desired temperatures.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention subject to the application is related to a heating system for a vehicle battery which requires pre-heating that is necessary for a vehicle battery to provide sufficient current under cold climate conditions; wherein said battery is used in any kind of road vehicle, in order to actuate the ignition of the engine and the power units and other related systems.

Description

HEATING SYSTEM OF VEHICLE BATTERY
DESCRIPTION
Technical Field of the Invention The invention subject to the application is related to a heating system for a vehicle battery which requires pre-heating that is necessary for a vehicle battery to provide sufficient current under cold climate conditions; wherein said battery is used in any kind of road vehicle, in order to actuate the ignition of the engine and the power units and other related systems. Known state of the Art
(Prior Art)
At least a battery is provided in order to supply power to the electrical system of the vehicle and in order to actuate the internal combustion engine in all road vehicles. After the internal combustion engine is actuated, as the electric power that the vehicle requires is being supplied by the engine, the battery carries out its most primary function while actuating the engine.
The battery supplies the necessary energy to the electric starter motor in order to start the internal combustion engine and the starter motor receives the energy from the battery and converts it into kinetic energy and provides the required drive in order to start the internal combustion engine. In the case that the battery does not have enough charge, as it cannot supply the necessary energy for the internal combustion engine to operate, the battery needs to be at such a state that it can supply the required energy during all kinds of weather conditions.
The current created by the battery under normal climate conditions is sufficient to start the electric motor. However in cold weather, as the temperature is low, the battery cannot supply the high current that is required to start the motor due to physical conditions at the anticipated value and due to this reason as sufficient current is not received by the electric motor, the internal combustion engine either starts to operate with delay or it might not start at all.
During cold weather conditions in order for the internal combustion engine to operate properly, the battery needs to be heated to an optimum operational temperature. The battery can supply the current needed by the electric motor only after it reaches a certain temperature. In the known state of the art, according to a system used in order to enable the batteries to carry out pre-heating; an isothermal fluid which is heated by means of the heat received from the engine and the brake system during the motion of the vehicle, is collected inside an isothermal container and this fluid is pumped to the periphery of the battery during the next starting off of the vehicle; thereby ensuring that the battery is heated up to an optimum operation temperature. The greatest disadvantage of this system is that, when the engine is not started for long periods of time, the heated fluid found inside the isothermal container cools down and can no longer provide preheating to the battery during the ignition of the vehicle.
The patent applications numbered WO 2013/093319 Al and JP 1995/329581 A can be given as examples for such a system.
In another system within the known state of the art which is a subject of the document numbered US 2012/0295141 Al, a fluid used in order to heat large battery packs of electric vehicles, is heated by means of an electric heater. However in this system, as said electric heater also receives its power from another battery the performance of the heater battery under cold weather conditions will be reduced and problems such as not being able to heat the main battery pack occur.
According to the invention subject to the US 4,095,938 A document the battery is heated up to an operational temperature by the distribution of the gasses that have been heated by a catalytic heater, in the base section of the battery. The disadvantage of this system is that if the fuel of the catalytic heating system diminishes, the battery can no longer be heated up to an operational temperature.
In another system used in the known state of the art, resistance motor block heaters are provided which are in contact with the cooling fluid line of the internal combustion engine. These heaters enable to provide external electricity to the vehicle thereby increasing the temperature of the cooling fluid of the vehicle and ensuring that the temperature is kept at this level. The cooling fluid is used to heat the battery. However as the electric energy that is required by these heaters are supplied externally, it is not possible for such a system to work in environments where an external energy source cannot be found.
In another embodiment the compartment wherein the battery is located is coated with isolation material thereby aiming to keep the battery at a certain temperature after the efficient operational temperature of the battery is reached. However this embodiment will extend the cooling period of the battery only and cannot prevent the temperature from falling down to absolute ambient temperature.
Brief Description of the Invention and its Aims
Especially in minibus, or bus type commercial vehicles which are used to transport passengers fluid type additional heating units are provided. Although said units are being used in minibus, or bus type commercial vehicles which are used to transport passengers nowadays, said units can be provided in all kinds of road vehicles that operate with an internal combustion engine.
This additional heating unit heats the water located in the motor and the radiator by means of the operation of the internal combustion engine by being fed with the fuel located inside the fuel tank of the vehicle under cold weather conditions. By this means the heated fluid is fed to the radiator unit via the pipe lines or fluid pipes thereby heating the interior of the vehicle.
According to the invention subject to the application, the high temperature air obtained by means of the additional heater that has fed the radiator unit, is directed to the battery compartment via the distribution channels and the battery is heated up to an optimum operational temperature.
The following has been aimed to be achieved when developing the vehicle battery heating system subject to the invention;
• For the battery to be heated without an additional energy source;
• To obtain a cost effective heating system by using the present additional heating unit;
• To enable the heating of the interior of the vehicle at the same time when the battery is being heated, thereby using the energy efficiently.
Definitions of the Figures Illustrating the Invention
The figures that have been prepared in order to further describe the vehicle battery heating system developed according to the present invention have been listed below.
Figure 1 - The general view of the vehicle battery heating system subject to the invention. Definition of the aspects/sections/parts forming the invention
Each of the aspects/sections/parts illustrated in the figures that have been prepared in order to further describe the vehicle battery heating system that has been developed according to the present invention have been numbered and the description of each number has been listed below.
1. Battery
2. Battery compartment
3. Battery compartment air inlet channel
4. Battery compartment air inlet
5. Air distribution valve
6. Radiator air distribution channel
7. Radiator air outlet
8. Radiator air outlet channel
9. Radiator
10. Radiator water outlet channel
11. Radiator water inlet channel
H.Additional heating unit
13. Valve lever
Detailed description of the Invention
The invention subject to the application is a vehicle battery heating system developed in order to heat the battery (1) that supplies the required electric current sufficient enough to operate the electric motor and other systems related to the power unit, under cold weather conditions by means of the additional heating unit (22) and the radiator (9) located in all road vehicles but particularly in commercial vehicles that are used to transport passengers.
The battery heating system subject to the invention comprises;
• At least an air distribution valve (5) which enables the directing of the air that has been heated by the radiator (9) to the battery compartment air inlet channel (3) or the radiator air outlet channel (8),
• At least a battery compartment air inlet channel (3) which transfers the heated air to the battery compartment air inlet (4),
• At least a radiator air outlet channel (8) which transfers the heated air to the radiator air outlet (7), • At least a battery compartment air inlet (4) through which the heated air is transferred into the battery compartment (2),
• At least a radiator air outlet (7) through which the heated air is transferred to the vehicle cabin; and
· At least a battery compartment (2) which forms a closed volume for the heated battery (1)
The air distribution valve (5) can have a manual structure which operated with an arm (13) located thereon or can operate electrically. Having said that, it must be noted that the sizes and numbers of the air distribution valve (5) the battery compartment of the air inlet channel (3), the air inlet (4), air outlet channel (8) of the radiator and radiator air outlet (7) can vary according to the number of the batteries (1) that are required to be heated, and the size of the vehicle into which the system shall be applied to.
The mode of operation of the invention can be explained as follows.
In the known technique the water type heating unit (12) is fed with the fuel from the fuel tank of the vehicle, and the internal combustion engine is operated; thereby the water inside the engine of the vehicle and the radiator fluid channels (10 and 11) are heated.
The heated water is transferred to the radiator (9) via the radiator water inlet channel (11) and the water which has a higher temperature than ambient temperature heats up the exchanger that is located inside the radiator (9). The heat supplied by the exchanger is transferred to the vehicle cabin as heated air, by means of the fans of the radiator (9). During this time, the cooled water is delivered and returned into the system via the radiator water outlet channel (10) and said water is re-heated and transferred to the exchanger.
The heated air (9) received out of the radiator is transferred to the desired areas in the vehicle by means of the air distribution channels (6).
According to the system subject to the invention, the air flow that flows through a single channel (6) can be divided into two by the addition of an air distribution valve (5) to the end of one of the radiator air distribution channels (6) which are suitable in terms of location and function.
By means of this valve (5) the heated air can be directed to the radiator outlet channel (8) or the battery compartment air inlet channel (3).
The heated air which has been directed to the battery compartment air inlet channel (3) is transferred to the battery compartment (2) and the vehicle battery (1) can be heated up to an optimum operation temperature. After the battery (1) has reached the desired operation temperature, the valve (5) is moved at the opposite direction by means of the arm (13) located thereon, thereby enabling the heated air to be directed towards the radiator air outlet channel (8), the radiator air outlet channel (7) and then into the cabin of the vehicle. As a result the battery is prevented from exceeding the desired temperatures.

Claims

A vehicle battery heating system developed in order to heat the battery (1) that supplies the required electric current sufficient enough to operate the electric motor and other systems related to the power unit, under cold weather conditions by means of the additional heating unit (22) and the radiator (9) located in all road vehicles but particularly in commercial vehicles that are used to transport passengers; characterized in that; it comprises
• At least an air distribution valve (5) which enables the directing of the air that has been heated by the radiator (9) to the battery compartment air inlet channel (3) or the radiator air outlet channel (8),
• At least a battery compartment air inlet channel (3) which transfers the heated air to the battery compartment air inlet (4),
• At least a radiator air outlet channel (8) which transfers the heated air to the radiator air outlet (7),
• At least a battery compartment air inlet (4) through which the heated air is transferred into the battery compartment (2),
• At least a radiator air outlet (7) through which the heated air is transferred to the vehicle cabin; and
• At least a battery compartment (2) which forms a closed volume for the heated battery (1)
A vehicle battery heating system according to claim 1, characterized in that the air distribution valve (5) has a manual structure having an arm (13) located thereon which can be operated manually.
A vehicle battery heating system according to claim 1, characterized in that the air distribution valve (5) is an electric valve.
A vehicle battery heating system according to claim 1, characterized in that the sizes and numbers of the air distribution valve (5) the battery compartment of the air inlet channel (3), the air inlet (4), air outlet channel (8) of the radiator and radiator air outlet (7) can vary according to the number of the batteries (1) that are required to be heated, and the size of the vehicle into which the system shall be applied to.
PCT/TR2015/000208 2014-05-29 2015-05-22 Heating system of vehicle battery WO2015183219A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2014/06042 2014-05-29
TR201406042 2014-05-29

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CN110696583A (en) * 2018-07-09 2020-01-17 宝沃汽车（中国）有限公司 Control method and device for electric automobile heating loop and electric automobile

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