CN103700903B - Hybrid power automobile battery heating and charging device and control method thereof - Google Patents
Hybrid power automobile battery heating and charging device and control method thereof Download PDFInfo
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- CN103700903B CN103700903B CN201310724680.7A CN201310724680A CN103700903B CN 103700903 B CN103700903 B CN 103700903B CN 201310724680 A CN201310724680 A CN 201310724680A CN 103700903 B CN103700903 B CN 103700903B
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- battery
- heat exchanger
- state
- charge
- controller
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- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
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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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides the heating of a kind of hybrid power automobile battery and charging device and control method thereof, described device comprises controller, exhaust heat recovery device, the first heat exchanger, the second heat exchanger, thermoelectric device, temperature sensor, state of charge indicating device, described exhaust heat recovery device comprises exhaust-heat exchanger, the first flow divider, and thermal energy transfer loop is provided with the second flow divider/for being communicated with the first heat exchanger, the second heat exchanger, flue gas exchanger; First heat exchanger is connected with the battery cover board being wrapped in outside batteries by heat-transfer pipe, and the second heat exchanger is connected with thermoelectric device, and thermoelectric device is connected with battery.Controller is according to the temperature of temperature sensor and state of charge indicating device Real-Time Monitoring battery and state of charge, by to the control of the first flow divider and the second flow divider to the heating of battery and/or charging, make battery temperature and state of charge be in perfect condition, promote hybrid electric vehicle complete vehicle performance.
Description
Technical field
The invention belongs to new-energy automobile field, the heating of especially a kind of hybrid power automobile battery and charging device and control method thereof.
Background technology
Hybrid vehicle generally forms hybrid electric drive system by an internal combustion engine in conjunction with one or more battery and motor.Internal combustion engine consume fuel, converts the chemical energy of fuel to kinetic energy and heat energy, and kinetic energy travels for driving vehicle, and heat energy is often dissipated to surrounding environment with forms such as waste gas.Battery is responsible for feeding electric motors, is that kinetic energy drives vehicle to travel by electric energy conversion.The performance of battery can be subject to the impact of temperature, and when the ambient temperature of battery or battery temperature are lower than predetermined temperature value, as-8 DEG C, the performance of battery can significantly decline, thus the performance of the mixed dynamic dynamical system of impact, as: energy regenerating, rise/stops function.When vehicle is in pure motoring condition, the reduction of battery temp and state of charge also can impact car load dynamic property.In order to promote battery performance, some plug-in hybrid systems can allow vehicle access the charging of external charge device, utilize resistance-type heater heating battery simultaneously, but in many places as station, airport or Commerce Parking Lot, often there is no external charge device, and hybrid power systems most at present do not possess extraneous charge function.In addition, also have some drivers vehicle miscellaneous part can be allowed to heat up by allowing engine idle dally, but for battery especially lithium battery, its temperature often can not increase along with the operation of engine.If the heat energy of vehicle itself therefore can be utilized to guarantee that battery temperature and state of charge are in perfect condition all the time, be of great significance to the raising tool of hybrid electric vehicle complete vehicle performance.
Summary of the invention
For Shortcomings in prior art, the invention provides the heating of a kind of hybrid power automobile battery and charging device and control method thereof, heat energy in the waste gas utilizing vehicular discharge to go out is to heating of battery and/or charging, make battery temperature and state of charge be in perfect condition always, ensure the high-performance of battery, promote hybrid electric vehicle complete vehicle performance.
The present invention realizes above-mentioned technical purpose by following technological means.
Hybrid power automobile battery heating and charging device, comprise exhaust heat recovery device, thermal energy transfer loop, first heat exchanger, second heat exchanger, thermoelectric device, battery cover board, temperature sensor, state of charge indicating device, controller, described exhaust heat recovery device comprises and being arranged on flue gas leading and point bronchus communicated with blast pipe, be arranged on the exhaust-heat exchanger on point bronchus, arrange the first flow divider between flue gas leading and point bronchus, described thermal energy transfer loop comprises the first pipeline be connected with the outlet of exhaust-heat exchanger, the second pipeline be connected with the import of exhaust-heat exchanger, has heat-transfer fluid in described thermal energy transfer loop (120), described first pipeline respectively with the first heat exchanger, the entrance of the second heat exchanger is connected, described second pipeline respectively with the first heat exchanger, the outlet of the second heat exchanger is connected, and described first pipeline is provided with circulating pump and the second flow divider, the second flow divider is arranged on the bifurcation of the first pipeline, described first heat exchanger is connected with battery cover board by heat-transfer pipe, and described battery cover board is wrapped in outside batteries, and described second heat exchanger is connected with thermoelectric device by Heat Conduction Material, and thermoelectric device is connected with battery by wire, temperature sensor, state of charge indicating device to be arranged on battery and to be connected with controller respectively, and described controller is also connected with the first flow divider, the second flow divider.
Preferably, described battery cover board is made up of Heat Conduction Material.
The control method of hybrid power automobile battery heating and charging device, is characterized in that, comprise the following steps:
(1) temperature of temperature sensor and state of charge indicating device Real-Time Monitoring battery and state of charge, and by the real time temperature of battery and state of charge Signal transmissions to controller;
(2) controller compares with the maximum temperature preset value of battery, state of charge preset value respectively according to the real time temperature of battery, state of charge signal, when the real time temperature of battery lower than maximum temperature preset value or state of charge lower than state of charge predetermined value time, controller controls the first flow divider and waste gas is branched to a point bronchus, exhaust-heat exchanger by the transfer of heat in waste gas in heat-transfer fluid; Otherwise controller controls the first flow divider and waste gas is directly imported blast pipe and drain into outside car;
(3) controller judges that the real time temperature of battery is whether lower than the minimum temperature predetermined value of battery further, and if so, controller controls the second flow divider only conducting first pipeline and the first heat exchanger; If not then controller judges that the real time temperature of battery is whether between the minimum temperature predetermined value and maximum temperature preset value of battery, if not controller controls the second flow divider only conducting first pipeline and the second heat exchanger further; If so, then controller judges whether the real-time battery state of charge of battery is greater than state of charge preset value further, and if so, controller controls the second flow divider only conducting first pipeline and the first heat exchanger; If not controller controls the second flow divider conducting first pipeline and the first heat exchanger, the second heat exchanger simultaneously.
The present invention sets up exhaust heat recovery device on vehicle exhaust system, heat energy in waste gas is transferred to the first heat exchanger and the second heat exchanger by thermal energy transfer loop, first heat exchanger can utilize heat energy to heating of battery, second heat exchanger can utilize heat energy to charge the battery with thermoelectric device cooperation, thus the heat energy realized in the waste gas utilizing vehicular discharge to go out is to heating of battery and/or charging.
By being arranged on temperature and the state of charge of temperature sensor on battery and state of charge indicating device Real-Time Monitoring battery, controller is according to the temperature of battery and state of charge and minimum temperature predetermined value, maximum temperature preset value and the state of charge predetermined value determined according to the design parameter of battery, by the control to the first flow divider and the second flow divider, control the operation of the heating of described hybrid power automobile battery and charging device, determine whether to heating of battery or charging.
As long as battery temperature lower than maximum temperature preset value or state of charge lower than state of charge predetermined value time, exhaust heat recovery device is just in running order, reclaims the heat energy in waste gas, otherwise, exhaust heat recovery device does not work, and waste gas directly imports blast pipe and drains into outside car.When battery temperature is lower than minimum temperature predetermined value, now regardless of battery state of charge, all heat energy is all for giving heating of battery, because when temperature is low, the performance of battery can be very poor, even if charging, efficiency is also very low; When battery temperature is between minimum temperature predetermined value and maximum temperature preset value, if state of charge is higher than state of charge predetermined value, then heat energy is all for giving heating of battery, if state of charge is lower than state of charge predetermined value, then a heat energy part is used for heating of battery, and another part is used for charging the battery; When battery temperature reaches maximum temperature preset value, now stop to heating of battery, heat energy is all for charging the battery.
Tool of the present invention has the following advantages:
(1) heat energy in the waste gas utilizing vehicular discharge to go out completely, to heating of battery and/or charging, makes full use of the energy.
(2) guarantee that battery temperature and state of charge are in perfect condition all the time, ensure that battery is in high performance state, thus promote hybrid electric vehicle complete vehicle performance.
Accompanying drawing explanation
Fig. 1 is the structure chart of hybrid power automobile battery of the present invention heating and charging device.
Fig. 2 is the flow chart of hybrid power automobile battery of the present invention heating and charge control method.
Fig. 3 is the local state figure that the heating of described hybrid power automobile battery and charging device are only heating of battery.
Fig. 4 is the local state figure that the heating of described hybrid power automobile battery and charging device are only battery charging.
Fig. 5 is the heating of described hybrid power automobile battery and charging device is the local state figure of heating of battery, charging simultaneously.
Description of reference numerals is as follows:
110-exhaust heat recovery device, 112-flue gas leading, 114-first flow divider, 116-blast pipe, 117-divides bronchus, 118-exhaust-heat exchanger, 120-thermal energy transfer loop, 121-first pipeline, 122-second pipeline, 124-circulating pump, 126-second flow divider, 130-first heat exchanger, 140-second heat exchanger, 145-thermoelectric device, 150-wire, 160-battery cover board, 170-battery, 180-temperature sensor, 190-state of charge indicating device, 200-heat-transfer pipe, 210-controller.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Figure 1, hybrid power automobile battery heating of the present invention and charging device, comprise exhaust heat recovery device 110, thermal energy transfer loop 120, first heat exchanger 130, second heat exchanger 140, thermoelectric device 145, battery cover board 160, temperature sensor 180, state of charge indicating device 190, controller 210.Described exhaust heat recovery device 110 comprises and being arranged on flue gas leading 112 and point bronchus 117 communicated with blast pipe 116, is arranged on the exhaust-heat exchanger 118 on point bronchus 117, arranges flue gas leading 112 and divide the first flow divider 114 between bronchus 117.First flow divider 114 is for controlling the trend of waste gas, and when the first flow divider 114 conducting flue gas leading 112 is with blast pipe 116, waste gas is directly discharged; When the first flow divider 114 conducting flue gas leading 112 and when dividing bronchus 117, waste gas streams is through exhaust-heat exchanger 118, and the heat energy transfer in waste gas absorbs to the heat-transfer fluid in the heat-transfer fluid in thermal energy transfer loop 120 by exhaust-heat exchanger 118.For heating battery 170 and/or charge for battery 170.There is heat-transfer fluid in described thermal energy transfer loop 120, comprise the first pipeline 121 be connected with the outlet of exhaust-heat exchanger, the second pipeline 122 be connected with the import of exhaust-heat exchanger.Described first pipeline 121 is connected with the entrance of the first heat exchanger 130, second heat exchanger 140 respectively, described second pipeline 122 is connected with the outlet of the first heat exchanger 130, second heat exchanger 140 respectively, described first pipeline 121 is provided with circulating pump 124 and the second flow divider 126.Second flow divider 126 is arranged on the bifurcation of the first pipeline 121, is the first heat exchanger 130 and/or the second heat exchanger 140 heat supply for Heat Transfer Control fluid.Described first heat exchanger 130 is connected with battery cover board 160 by heat-transfer pipe 200, described battery cover board 160 is made for Heat Conduction Material, be wrapped in battery 170 outside, described second heat exchanger 140 is connected with thermoelectric device 145 by Heat Conduction Material, and thermoelectric device 145 is connected with battery 170 by wire 150.When the second flow divider 126 only conducting first pipeline 121 and the first heat exchanger 130 time, the heat energy in heat-transfer fluid only for heating battery cover plate 160, for battery 170 heats; When the second flow divider 126 only conducting first pipeline 121 and the second heat exchanger 140 time, second heat exchanger 140 by the heat energy transfer in the heat-transfer fluid that flows through to thermoelectric device 145, thermoelectric device 145 absorbs the heat energy utilization temperature difference and produces electric energy, electric energy inputs battery 170 by wire 150 in the form of electric current, charges to battery 170; When the second flow divider 126 conducting first simultaneously heat exchanger 130 and the second heat exchanger 140, the heat energy in heat-transfer fluid heats for battery 170, charges simultaneously.Temperature sensor 180, state of charge indicating device 190 are arranged on battery 170, and are connected with controller 210 respectively.Temperature sensor 180 is for monitoring the temperature of battery 170, and state of charge indicating device 190 is for determining the state of charge of battery 170.Temperature sensor 180, state of charge indicating device 190 are respectively used to temperature, battery 170 state of charge of Real-Time Monitoring battery 170, and monitoring result is passed to controller 210.Described controller 210 is also connected with the first flow divider 114, second flow divider 126.Controller 210 according to the temperature of battery 170, the state of charge of battery 170 of temperature sensor 180, state of charge indicating device 190 Real-Time Monitoring, by the control to whole hybrid power automobile battery heating and charging device work of the control realization of the first flow divider 114, second flow divider 126.
Concrete, the control method of hybrid power automobile battery heating of the present invention and charging device is:
First, the temperature of temperature sensor 180 and state of charge indicating device 190 Real-Time Monitoring battery 170 and state of charge, and by the real time temperature of battery 170 and state of charge Signal transmissions to controller 210.
Then, controller 210 compares with the maximum temperature preset value of battery 170, state of charge preset value respectively according to the real time temperature of battery 170, state of charge signal, when the real time temperature of battery 170 lower than maximum temperature preset value or state of charge lower than state of charge predetermined value time, controller 210 controls the first flow divider 114 and waste gas is branched to point bronchus 117, exhaust-heat exchanger 118 by the transfer of heat in waste gas in heat-transfer fluid; Otherwise controller 210 controls the first flow divider 114 and waste gas is directly imported blast pipe 116 and drain into outside car.
Finally, controller 210 judges that further the real time temperature of battery 170 is whether lower than the minimum temperature predetermined value of battery 170, if, controller 210 controls the second flow divider 126 only conducting first pipeline 121 and the first heat exchanger 130, as shown in Figure 3, the heat energy in heat-transfer fluid only for heating battery cover plate 160, for battery 170 heats, battery 170 is heated up, and temperature keeps normal; If not then controller 210 judges that further the real time temperature of battery 170 is whether between the minimum temperature predetermined value and maximum temperature preset value of battery 170.When the real time temperature of battery 170 is not between the minimum temperature predetermined value and maximum temperature preset value of battery 170, controller 210 controls the second flow divider 126 only conducting first pipeline 121 and the second heat exchanger 140, as shown in Figure 5, second heat exchanger 140 by the heat energy transfer in the heat-transfer fluid that flows through to thermoelectric device 145, thermoelectric device 145 absorbs the heat energy utilization temperature difference and produces electric energy, electric energy inputs battery 170 by wire 150 in the form of electric current, battery 170 is charged, makes state of charge keep normal; When the real time temperature of battery 170 is between the minimum temperature predetermined value and maximum temperature preset value of battery 170, then controller 210 judges whether real-time battery 170 state of charge of battery 170 is greater than state of charge preset value further.If real-time battery 170 state of charge of battery 170 is greater than state of charge preset value, controller 210 controls the second flow divider 126 only conducting first pipeline 121 and the first heat exchanger 130, as shown in Figure 3, the heat energy in heat-transfer fluid only for heating battery cover plate 160, for battery 170 heats; If the real-time battery state of charge of battery 170 is not more than state of charge preset value, controller 210 controls the second flow divider 126 conducting first simultaneously pipeline 121 and the first heat exchanger 130, second heat exchanger 140, as shown in Figure 5, heat energy in heat-transfer fluid heats for battery 170, charges simultaneously, makes the temperature of battery 170 and state of charge finally reach normal level.
The present invention utilizes the heat energy in motor vehicle driven by mixed power waste gas to be in perfect condition all the time to the temperature and state of charge of guaranteeing battery 170, ensures the high-performance of battery 170, thus improves hybrid electric vehicle complete vehicle performance.
Above-described embodiment is preferred embodiment of the present invention; but invention is not limited to above-mentioned execution mode; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (3)
1. hybrid power automobile battery heating and charging device, it is characterized in that, comprise exhaust heat recovery device (110), thermal energy transfer loop (120), first heat exchanger (130), second heat exchanger (140), thermoelectric device (145), battery cover board (160), temperature sensor (180), state of charge indicating device (190), controller (210), described exhaust heat recovery device (110) comprises and is arranged on the upper and point bronchus (117) communicated with blast pipe (116) of flue gas leading (112), be arranged on the exhaust-heat exchanger (118) on a point bronchus (117), the first flow divider (114) between flue gas leading (112) and point bronchus (117) is set, described thermal energy transfer loop (120) comprises the first pipeline (121) be connected with the outlet of exhaust-heat exchanger (118), the second pipeline (122) be connected with the import of exhaust-heat exchanger (118), heat-transfer fluid is had in described thermal energy transfer loop (120), described first pipeline (121) respectively with the first heat exchanger (130), the entrance of the second heat exchanger (140) is connected, described second pipeline (122) respectively with the first heat exchanger (130), the outlet of the second heat exchanger (140) is connected, described first pipeline (121) is provided with circulating pump (124) and the second flow divider (126), second flow divider (126) is arranged on the bifurcation of the first pipeline (121), described first heat exchanger (130) is connected with battery cover board (160) by heat-transfer pipe (200), it is outside that described battery cover board (160) is wrapped in battery (170), described second heat exchanger (140) is connected with thermoelectric device (145) by Heat Conduction Material, and thermoelectric device (145) is connected with battery (170) by wire (150), temperature sensor (180), state of charge indicating device (190) are arranged on battery (170) and go up and be connected with controller (210) respectively, and described controller (210) is also connected with the first flow divider (114), the second flow divider (126).
2. hybrid power automobile battery heating according to claim 1 and charging device, it is characterized in that, described battery cover board (160) is made up of Heat Conduction Material.
3. the control method of hybrid power automobile battery heating according to claim 1 and charging device, is characterized in that, comprise the following steps:
(1) temperature of temperature sensor (180) and state of charge indicating device (190) Real-Time Monitoring battery and state of charge, and by the real time temperature of battery (170) and state of charge Signal transmissions to controller (210);
(2) controller (210) compares with the maximum temperature preset value of battery (170), state of charge preset value respectively according to the real time temperature of battery (170), state of charge signal, when the real time temperature of battery (170) lower than maximum temperature preset value or state of charge lower than state of charge predetermined value time, controller (210) controls the first flow divider (114) and waste gas is branched to a point bronchus (117), exhaust-heat exchanger (118) by the transfer of heat in waste gas in heat-transfer fluid; Otherwise controller (210) controls the first flow divider (114) and waste gas is directly imported blast pipe (116) and drain into outside car;
(3) controller (210) judges that the real time temperature of battery (170) is whether lower than the minimum temperature predetermined value of battery (170) further, if so, controller (210) controls the second flow divider (126) only conducting first pipeline and the first heat exchanger (130); If not, then controller (210) judges that the real time temperature of battery (170) is whether between the minimum temperature predetermined value and maximum temperature preset value of battery (170) further, if not controller (210) controls the second flow divider (126) only conducting first pipeline and the second heat exchanger (140); If, then controller (210) judges whether real-time battery (170) state of charge of battery (170) is greater than state of charge preset value further, if so, controller (210) controls the second flow divider (126) only conducting first pipeline (121) and the first heat exchanger (130); If not controller (210) controls the second flow divider (126) conducting first pipeline simultaneously (121) and the first heat exchanger (130), the second heat exchanger (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724680.7A CN103700903B (en) | 2013-12-24 | 2013-12-24 | Hybrid power automobile battery heating and charging device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310724680.7A CN103700903B (en) | 2013-12-24 | 2013-12-24 | Hybrid power automobile battery heating and charging device and control method thereof |
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| Publication Number | Publication Date |
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| CN103700903A CN103700903A (en) | 2014-04-02 |
| CN103700903B true CN103700903B (en) | 2016-04-06 |
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| CN201310724680.7A Expired - Fee Related CN103700903B (en) | 2013-12-24 | 2013-12-24 | Hybrid power automobile battery heating and charging device and control method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10153523B2 (en) * | 2016-04-27 | 2018-12-11 | Ford Global Technologies, Llc | Traction battery thermal management method and system |
| CN111725587B (en) * | 2019-03-20 | 2021-05-18 | 上海汽车集团股份有限公司 | Temperature adjusting system of power battery and control method thereof |
| CN110137628B (en) * | 2019-05-06 | 2021-11-23 | 奇瑞商用车（安徽）有限公司 | Self-heating system and heating method for power battery |
| CN115295925B (en) * | 2022-09-30 | 2023-02-21 | 小米汽车科技有限公司 | Method and device for heating battery, battery assembly, storage medium and vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537787A (en) * | 2009-04-17 | 2009-09-23 | 北京工业大学 | Battery heating and comprehensive utilization device of hybrid power electric automobile |
| CN203674344U (en) * | 2013-12-24 | 2014-06-25 | 江苏大学 | Hybrid power vehicle battery heating and charging device |
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2013
- 2013-12-24 CN CN201310724680.7A patent/CN103700903B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537787A (en) * | 2009-04-17 | 2009-09-23 | 北京工业大学 | Battery heating and comprehensive utilization device of hybrid power electric automobile |
| CN203674344U (en) * | 2013-12-24 | 2014-06-25 | 江苏大学 | Hybrid power vehicle battery heating and charging device |
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