CN111725582A - Vehicle-mounted battery fireproof heat source management synchronization device and use method - Google Patents
Vehicle-mounted battery fireproof heat source management synchronization device and use method Download PDFInfo
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- CN111725582A CN111725582A CN202010475760.3A CN202010475760A CN111725582A CN 111725582 A CN111725582 A CN 111725582A CN 202010475760 A CN202010475760 A CN 202010475760A CN 111725582 A CN111725582 A CN 111725582A
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- 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
- B60L58/26—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 cooling
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- 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
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
- H01M10/60—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
- H01M10/6567—Liquids
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- 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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- 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
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Abstract
The invention relates to a vehicle-mounted battery fire-proof heat source management synchronizing device and a using method thereof. The invention is skillfully combined with the existing vehicle-mounted battery thermal management system, and under the condition of keeping the normal operation of the existing vehicle-mounted battery thermal management system, professional fire extinguishing equipment of a battery module is removed, so that the integration degree of resources is improved, the structural layout of the whole vehicle is simplified, the light weight requirement of the whole vehicle is facilitated, the cost is saved, and the working mileage of the whole vehicle is improved.
Description
Technical Field
The invention belongs to the field of new energy automobiles, and particularly relates to a vehicle-mounted battery fireproof heat source management synchronization device and a use method thereof.
Background
In the development of new energy automobiles, a battery Thermal Management System (TMS) is used for controlling the working temperature of a battery and improving the service life and efficiency of the battery, and a battery intelligent fireproof assembly (EMS) is used for dealing with combustion caused by battery faults; the two devices are arranged on the whole vehicle, so that the whole vehicle is excessive in equipment, high in cost, complex in structural arrangement, heavy in weight, high in maintenance cost, short in running distance in the whole vehicle and the like, the whole vehicle is prone to breakdown due to excessive CAN signals, the two independent control systems are complex and cannot cooperate synchronously, and hidden fire in the battery cannot be prevented and extinguished in time; in addition, an intelligent fireproof assembly is not arranged on the existing new energy automobile, so that manual fire extinguishment is needed in case of fire; and the like.
The cooling liquid used in the traditional battery thermal management system at present is glycol aqueous solution which can only be used as a carrier for heat source transfer and cannot be used for fire extinguishing;
the fire extinguishing agent used in the traditional fire extinguisher or fire-proof component at present is powder or gas which can only be used as a fire extinguishing effect and not as a carrier for heat source transfer;
at present, no intelligent control equipment which can control a battery heat source and can extinguish a fire in time when a battery or a whole vehicle has a fire exists in the market; there is no liquid that can transfer heat source and extinguish fire with fire-proof liquid or cooling liquid, so it is necessary to develop a device for synchronously managing vehicle-mounted battery fire prevention and heat source.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a vehicle-mounted battery fire-proof heat source management synchronizing device and a using method thereof, the scheme is skillfully combined with the conventional vehicle-mounted battery heat management system, professional fire extinguishing equipment of a battery module is removed under the condition of keeping the conventional vehicle-mounted battery heat management system to normally operate, and meanwhile, the invention is provided with cooling liquid with a fire extinguishing function, so that the vehicle-mounted battery fire-proof heat source management synchronizing device has the capabilities of extinguishing fire and managing heat, the integration degree of resources is greatly improved, the structural layout of the whole vehicle is simplified, the light weight requirement of the whole vehicle is facilitated, the cost is saved, and the working mileage of the whole vehicle is improved.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a fire prevention heat source management synchronizer of on-vehicle battery, installs between heat source management system and on-vehicle group battery module, and heat source management system includes the heat transfer pipeline, and series connection installation circulating pump, temperature sensor, heat exchanger structure and heater on the heat transfer pipeline, on-vehicle group battery module include group battery seal shell and electric core, and electric core fixed mounting is in group battery seal shell, wherein: the vehicle-mounted battery fire-proof heat source management synchronization device comprises a liquid storage device, a liquid storage device control valve, a fire extinguishing pipeline, a spray head or spray holes, a fire extinguishing pipeline control valve, an induction probe, a water inlet connecting pipe and a water outlet connecting pipe, wherein one end of the water inlet connecting pipe is connected with an outlet of the heat exchange pipeline, the other end of the water inlet connecting pipe is connected into a battery pack sealing shell, one end of the water outlet connecting pipe is connected with an inlet of the heat exchange pipeline, the other end of the water outlet connecting pipe is connected into the battery pack sealing shell, so that a sealed circulating flow passage is formed among the heat exchange pipeline, the water inlet connecting pipe, a vehicle-mounted battery pack module and the water outlet connecting pipe, fire extinguishing heat exchange liquid is stored in the liquid storage device, the liquid storage device is connected onto the water outlet connecting pipe, the liquid storage device, the fire extinguishing pipeline control valve faces the outer surface of the battery pack sealing shell, the fire extinguishing pipeline control valve is connected to a fire extinguishing pipeline or the joint of the fire extinguishing pipeline and a heat exchange pipeline and used for detecting whether fire extinguishing heat exchange liquid in the water inlet connecting pipe can enter the fire extinguishing pipeline or not, the sensing probes are a plurality of and are arranged on the periphery outside the battery pack sealing shell and used for detecting whether the battery pack sealing shell is on fire or not, and the liquid storage device control valve, the fire extinguishing pipeline control valve and the sensing probes are all connected with a vehicle-mounted computer for controlling the heat source management system and the vehicle-mounted battery pack module and.
In order to optimize the structural form, the specific measures adopted further comprise:
in a sealed circulation flow channel formed among the heat exchange pipeline, the water inlet connecting pipe, the vehicle-mounted battery pack module and the water outlet connecting pipe, a heat exchange medium flows in a circulating mode, and the battery core is immersed in the heat exchange medium to exchange heat through the heat exchange medium.
The heat exchange medium is air or fluorinated liquid.
The circulating pump is used for enabling a heat exchange medium to flow in a circulating mode in the sealed circulating flow channel, the heat exchanger structure is used for exchanging heat with the outside, the temperature of the heat exchange medium in the heat exchange pipeline is reduced, the heater is used for heating the heat exchange medium in the heat exchange pipeline, the temperature sensor is used for sensing the temperature of the heat exchange medium, and the circulating pump, the temperature sensor, the heat exchanger structure and the heater are all connected with the vehicle-mounted computer and are synchronously controlled by the vehicle-mounted computer.
The fire extinguishing heat exchange liquid is fluorinated liquid.
The liquid storage device control valve is an electromagnetic three-way valve arranged at the joint of the liquid storage device and the water outlet connecting pipe; the inductive probe is an acousto-optic sensor.
The fire extinguishing pipeline control valve is connected to the fire extinguishing pipeline, and the fire extinguishing pipeline is connected with the water inlet connecting pipe through a three-way valve. The reservoir is expansion tank, installs level sensor in the reservoir case, sets up filling opening and inflation and deflation port on the box, and level sensor is used for responding to the interior heat-transfer liquid stock of putting out a fire of reservoir, and the filling opening is used for injecting the heat-transfer liquid of putting out a fire into to the reservoir, and the inflation and deflation port is used for pressurizeing or decompressing in the reservoir, makes the interior heat-transfer liquid of putting out a fire of reservoir can pump into the water connecting pipe under the atmospheric pressure in, and level sensor is connected with on-vehicle computer and can be with the heat-transfer liquid stock information transmission.
A using method of a vehicle-mounted battery fireproof heat source management synchronization device,
when the vehicle-mounted battery pack module operates normally, the battery fireproof heat source management synchronizer is in a silent state, the heat source management system operates normally in a refrigerating or heating mode, the heat source management system provides cold or heat for the vehicle-mounted battery pack module through the heat exchange pipeline, and the vehicle-mounted battery pack module maintains normal operating temperature;
when the interior of the vehicle-mounted battery pack module is on fire and the vehicle-mounted battery pack module cannot be cut off in time, the induction probe cannot sense the ignition of the vehicle-mounted battery pack module, the temperature sensor senses the abnormal rise of the temperature of the fire extinguishing heat exchange liquid and sends a signal to a vehicle-mounted computer, the vehicle-mounted computer closes the connection of the heat source management system and other systems to change the connection into an internal circulation mode between the heat source management system and the vehicle-mounted battery pack module, the liquid storage device control valve is opened, the fire extinguishing pipeline control valve keeps a closed state, the fire extinguishing heat exchange liquid in the liquid storage device is injected into a heat exchange pipeline, a water inlet connecting pipe, a sealed circulation flow passage formed between the vehicle-mounted battery pack module and a water outlet connecting pipe, the vehicle-mounted computer controls the full-power operation of;
when the outside of the vehicle-mounted battery pack module is on fire, the inductive probe senses the vehicle-mounted battery pack module is on fire, the inductive probe sends a signal to a vehicle-mounted computer, the vehicle-mounted computer controls the liquid storage device control valve and the fire extinguishing pipeline control valve to be opened, fire extinguishing heat exchange liquid in the liquid storage device is injected into the heat exchange pipeline, the water inlet connecting pipe, the vehicle-mounted battery pack module and the water outlet connecting pipe form a sealed circulating flow passage, the fire extinguishing heat exchange liquid is continuously sprayed to the vehicle-mounted battery pack module through a spray head or a spray hole in the fire extinguishing pipeline.
The vehicle-mounted battery pack module performs self-checking before working, at the moment, the circulating pump, the temperature sensor, the heater, the liquid storage device control valve, the fire extinguishing pipeline control valve and the inductive probe perform self-checking under the command of the vehicle-mounted computer and send feedback signals, the signals have fault and normal information, and the information can be received and processed by the vehicle-mounted computer to ensure that each device operates normally.
Compared with the prior art, the invention has the following advantages and effects:
1. compared with the traditional method, the invention reduces professional fire extinguishing equipment such as fire extinguishing tanks, fire extinguishing agents, alarms and the like;
2. the fire extinguishing heat exchange liquid adopted by the invention is fluorinated liquid or related chemical agents, has the characteristics of good heat conduction performance, high specific heat capacity, low viscosity, no ignition point and the like, and is an important factor for both circulating cooling and fire prevention and extinguishment.
3. The cold and heat sources of the invention come from the water cooling unit of the battery heat management system, and new equipment does not need to be rearranged; only an acousto-optic inductor and an electronic switch signal wire are added into the controller, so that the improvement is convenient;
3. the invention combines the fireproof structure with the battery thermal management system, adds special cooling liquid or fireproof liquid, and is controlled by the logic of the vehicle-mounted computer, thereby achieving the purpose of synchronously managing the fire prevention and the heat source. When the vehicle-mounted battery pack module normally operates, the fireproof assembly is in a silent state, the battery thermal management system normally operates in a refrigerating or heating mode, the heat exchanger structure and the heater provide a cold source or a heat source, and the normal working environment of the vehicle-mounted battery pack module is maintained; when the vehicle-mounted battery pack module catches fire, the cooling system of the battery thermal management system is started in a self-circulation mode, the fireproof assembly acts, the fire extinguishing pipeline control valve is opened, and the cooling liquid or the fireproof liquid is sprayed out to cover the battery through the conveying pipeline and the spray head by the water pressure provided by the circulating pump, so that the fire extinguishing purpose is achieved.
4. The fireproof assembly can be adjusted differently according to different installation environments of the battery; and the fire-proof assembly can be used as a fire extinguisher of the vehicle-mounted battery pack module and can also be used as a fire extinguisher of a whole vehicle, and only the fire-extinguishing pipeline control valve, the fire-extinguishing pipeline and the spray nozzle need to be connected in parallel on the water inlet connecting pipe.
5. Through the integration of the equipment structures, the invention has the capability of extinguishing fire and performing heat management on the vehicle-mounted battery pack module, thereby simplifying the structural layout of the whole vehicle, lightening the load of a CAN bus, lightening the weight of the whole vehicle, reducing the cost and improving the mileage of the whole vehicle. At present, the same type of products do not exist in the market, and the market blank is filled.
Drawings
FIG. 1 is a schematic diagram of the location and relationship of the present invention in a prior art battery thermal management system;
FIG. 2 is a detail view at the fire suppression line;
fig. 3 is a detail view at the reservoir.
Wherein the reference numerals are: the system comprises a heat source management system 1, a heat exchange pipeline 11, a circulating pump 12, a temperature sensor 13, a heat exchanger structure 14, a heater 15, a vehicle-mounted battery fire-proof heat source management synchronization device 2, a liquid storage device 21, a liquid storage device control valve 22, a fire extinguishing pipeline 23, a spray head or spray hole 24, a fire extinguishing pipeline control valve 25, an induction probe 26, a water inlet connecting pipe 27, a water outlet connecting pipe 28, a vehicle-mounted battery pack module 3, a battery pack sealing shell 31 and a battery cell 32.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The on-vehicle battery fire prevention heat source management synchronizer of this embodiment installs between heat source management system 1 and on-vehicle group battery module 3, and heat source management system 1 includes heat transfer pipeline 11, and tandem installation circulating pump 12, temperature sensor 13, heat exchanger structure 14 and heater 15 on the heat transfer pipeline 11, and on-vehicle group battery module 3 includes group battery seal housing 31 and electric core 32, and electric core 32 fixed mounting is in group battery seal housing 31, wherein: the vehicle-mounted battery fire-proof heat source management synchronizer 2 comprises a liquid storage device 21, a liquid storage device control valve 22, a fire extinguishing pipeline 23, a spray head or spray hole 24, a fire extinguishing pipeline control valve 25, an inductive probe 26, a water inlet connecting pipe 27 and a water outlet connecting pipe 28, wherein one end of the water inlet connecting pipe 27 is connected with an outlet of the heat exchange pipeline 11, the other end of the water inlet connecting pipe 27 is connected into a battery pack sealing shell 31, one end of the water outlet connecting pipe 28 is connected with an inlet of the heat exchange pipeline 11, and the other end of the water outlet connecting pipe is connected into the battery pack sealing shell 31, so that a sealed circulating flow passage is formed among the heat exchange pipeline 11, the water inlet connecting pipe 27, the vehicle-mounted battery pack module 3 and the water outlet connecting pipe 28, fire extinguishing heat exchange liquid is stored in the liquid storage device 21, the, the fire extinguishing pipeline 23 is connected to the water inlet connecting pipe 27, the spray head or the spray hole 24 is arranged on the fire extinguishing pipeline 23 and faces the outer surface of the battery pack sealing shell 31, the fire extinguishing pipeline control valve 25 is connected to the fire extinguishing pipeline 23 or the connection part of the fire extinguishing pipeline 23 and the heat exchange pipeline 11 and used for judging whether fire extinguishing heat exchange liquid in the water inlet connecting pipe 27 can enter the fire extinguishing pipeline 23 or not, the induction probes 26 are provided with a plurality of induction probes and are arranged on the periphery outside the battery pack sealing shell 31 and used for detecting whether the battery pack sealing shell 31 is on fire or not, and the liquid storage device control valve 22, the fire extinguishing pipeline control valve 25 and the induction probes 26 are all connected with a vehicle-mounted computer for controlling the heat source management.
In the embodiment, a sealed circulation flow channel is formed among the heat exchange pipeline 11, the water inlet connection pipe 27, the vehicle-mounted battery pack module 3, and the water outlet connection pipe 28, a heat exchange medium flows in a circulation manner, and the battery cell 32 is immersed in the heat exchange medium to perform heat exchange through the heat exchange medium.
In the embodiment, the heat exchange medium is air or fluorinated liquid.
In the embodiment, the circulating pump 12 is used for enabling a heat exchange medium to flow in a circulating manner in the sealed circulating flow channel, the heat exchanger structure 14 is used for exchanging heat with the outside, the temperature of the heat exchange medium in the heat exchange pipeline 11 is reduced, the heater 15 is used for heating the heat exchange medium in the heat exchange pipeline 11, the temperature sensor 13 is used for sensing the temperature of the heat exchange medium, and the circulating pump 12, the temperature sensor 13, the heat exchanger structure 14 and the heater 15 are all connected with a vehicle-mounted computer and are synchronously controlled by the vehicle-mounted.
In the embodiment, the fire extinguishing heat exchange liquid is fluorinated liquid. The fluoridized liquid has the characteristics of good heat conduction performance, high specific heat solubility, low viscosity, no ignition point and the like; the fire extinguishing agent can be used as cooling liquid in an independent thermal management system and can also be used as a fire extinguishing agent in an independent fire extinguisher;
in the embodiment, the reservoir control valve 22 is an electromagnetic three-way valve installed at the connection between the reservoir 21 and the water outlet connection pipe 28; the inductive probe 26 is an acousto-optic sensor.
In the embodiment, the fire extinguishing line control valve 25 is connected to the fire extinguishing line 23, and the fire extinguishing line 23 is connected to the water inlet connection pipe 27 through a three-way valve. Reservoir 21 is expansion tank, installs level sensor in the reservoir 21 case, sets up filling opening and inflation and deflation port on the box, and level sensor is used for responding to the interior heat-transfer liquid stock of putting out a fire of reservoir 21, and the filling opening is used for injecting the heat-transfer liquid of putting out a fire into reservoir 21, and the inflation and deflation port is used for pressurizeing or decompressing in reservoir 21, makes the heat-transfer liquid of putting out a fire in the reservoir 21 can pump into out water connecting pipe 28 under atmospheric pressure in, and level sensor is connected with on-vehicle computer and can send the heat-transfer liquid stock information of putting out a fire to. The capacity of the expansion water tank is adjusted according to the actual condition of the number of the battery pack modules of the whole vehicle; when the liquid stored in the expansion water tank is insufficient, the liquid level sensor transmits a signal to the controller and feeds the signal back to the interface of the whole vehicle, so that a driver can know the signal and remind the driver of adding the liquid;
a using method of a vehicle-mounted battery fireproof heat source management synchronization device,
when the vehicle-mounted battery pack module 3 operates normally, the battery fireproof heat source management synchronizer 2 is in a silent state, the heat source management system 1 operates normally in a refrigerating or heating mode, the heat source management system 1 provides cold or heat for the vehicle-mounted battery pack module 3 through the heat exchange pipeline 11, and the vehicle-mounted battery pack module 3 maintains normal operating temperature;
when fire breaks out in the vehicle-mounted battery pack module 3 and the vehicle-mounted battery pack module 3 cannot cut off the work in time, the sensing probe 26 cannot sense the fire of the vehicle-mounted battery pack module 3, the temperature sensor 13 senses the abnormal temperature rise of the fire extinguishing heat exchange liquid and sends a signal to the vehicle-mounted computer, the vehicle-mounted computer closes the connection between the heat source management system 1 and other systems to change into an internal circulation mode between the heat source management system 1 and the vehicle-mounted battery pack module 3, the liquid storage device control valve 22 is opened, the fire extinguishing pipeline control valve 25 keeps a closed state, the fire extinguishing heat exchange liquid in the liquid storage device 21 is injected into a sealed circulation flow passage formed among the heat exchange pipeline 11, the water inlet connecting pipe 27, the vehicle-mounted battery, the vehicle-mounted computer controls the full-power operation of the circulating pump 12, and the inner cavity of the battery pack sealing shell 31 is filled with fire extinguishing heat exchange liquid, so that the fire extinguishing heat exchange liquid is directly contacted with a fire point to extinguish fire;
when the external part of the vehicle-mounted battery pack module 3 is on fire, the inductive probe 26 senses the vehicle-mounted battery pack module 3 is on fire, the inductive probe 26 sends a signal to a vehicle-mounted computer, the vehicle-mounted computer controls the liquid storage device control valve 22 and the fire extinguishing pipeline control valve 25 to be opened, fire extinguishing heat exchange liquid in the liquid storage device 21 is injected into the heat exchange pipeline 11, the water inlet connecting pipe 27 and the water outlet connecting pipe 28 to form a sealed circulating flow channel, the fire extinguishing heat exchange liquid is continuously sprayed to the vehicle-mounted battery pack module 3 through a spray head or a spray hole 24 on the fire extinguishing pipeline 23, and the vehicle-mounted battery pack.
The vehicle-mounted battery pack module 3 performs self-checking before working, at the moment, the circulating pump 12, the temperature sensor 13, the heater 15, the liquid storage device control valve 22, the fire extinguishing pipeline control valve 25 and the induction probe 26 also perform self-checking under the command of a vehicle-mounted computer and send feedback signals, the signals have fault and normal information, and the information can be received and processed by the vehicle-mounted computer to ensure the normal operation of each device.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (10)
1. The utility model provides a vehicle-mounted battery fire prevention heat source management synchronizer installs between heat source management system (1) and vehicle-mounted battery group module (3), heat source management system (1) including heat transfer pipeline (11), series connection installation circulating pump (12), temperature sensor (13), heat exchanger structure (14) and heater (15) on heat transfer pipeline (11), vehicle-mounted battery group module (3) including group battery seal shell (31) and electric core (32), electric core (32) fixed mounting in group battery seal shell (31), characterized by: the vehicle-mounted battery fire-proof heat source management synchronizing device (2) comprises a liquid storage device (21), a liquid storage device control valve (22), a fire-extinguishing pipeline (23), a spray head or spray hole (24), a fire-extinguishing pipeline control valve (25), an induction probe (26), a water inlet connecting pipe (27) and a water outlet connecting pipe (28), wherein one end of the water inlet connecting pipe (27) is connected with an outlet of the heat-exchanging pipeline (11), the other end of the water inlet connecting pipe is connected into a battery pack sealing shell (31), one end of the water outlet connecting pipe (28) is connected with an inlet of the heat-exchanging pipeline (11), the other end of the water outlet connecting pipe is connected into the battery pack sealing shell (31), so that a sealing circulating flow passage is formed among the heat-exchanging pipeline (11), the water inlet connecting pipe (27), a vehicle-mounted battery pack module (3) and the water outlet connecting pipe (28, reservoir control valve (22) is installed in the junction of reservoir (21) and play water connecting pipe (28) for control reservoir (21) and play water connecting pipe (28) break-make, fire-extinguishing pipe way (23) connect on intaking connecting pipe (27), shower nozzle or orifice (24) are seted up on fire-extinguishing pipe way (23), are just facing to group battery seal shell (31) surface, fire-extinguishing pipe way control valve (25) connect on fire-extinguishing pipe way (23) or fire-extinguishing pipe way (23) and heat transfer pipeline (11) junction for whether the heat transfer fluid of putting out a fire in water connecting pipe (27) can get into fire-extinguishing pipe way (23), inductive probe (26) have a plurality of, install around group battery seal shell (31) are outer, be used for detecting group battery seal shell (31) and whether fire, reservoir control valve (22), fire-extinguishing pipe way control valve (25) and inductive probe (26) all with control heat source management system (1) and on-vehicle battery group module (26) 3) The vehicle-mounted computer is connected and synchronously controlled by the vehicle-mounted computer.
2. The vehicle-mounted battery fire-proof heat source management synchronization device according to claim 1, characterized in that: in a sealed circulation flow channel formed among the heat exchange pipeline (11), the water inlet connecting pipe (27), the vehicle-mounted battery pack module (3) and the water outlet connecting pipe (28), a heat exchange medium flows circularly, and the battery core (32) is immersed in the heat exchange medium to exchange heat through the heat exchange medium.
3. The vehicle-mounted battery fire-proof heat source management synchronization device according to claim 1, characterized in that: the heat exchange medium is air or fluorinated liquid.
4. The vehicle-mounted battery fire-proof heat source management synchronization device according to claim 3, characterized in that: the circulating pump (12) is used for enabling a heat exchange medium to flow in a circulating mode in the sealed circulating flow channel, the heat exchanger structure (14) is used for exchanging heat with the outside, the temperature of the heat exchange medium in the heat exchange pipeline (11) is reduced, the heater (15) is used for heating the heat exchange medium in the heat exchange pipeline (11), the temperature sensor (13) is used for sensing the temperature of the heat exchange medium, and the circulating pump (12), the temperature sensor (13), the heat exchanger structure (14) and the heater (15) are all connected with a vehicle-mounted computer and are synchronously controlled by the vehicle-mounted computer.
5. The vehicle-mounted battery fire-proof heat source management synchronization device according to claim 4, characterized in that: the fire extinguishing heat exchange liquid is fluorinated liquid.
6. The vehicle-mounted battery fire-proof heat source management synchronization device according to claim 5, characterized in that: the liquid storage device control valve (22) is an electromagnetic three-way valve arranged at the joint of the liquid storage device (21) and the water outlet connecting pipe (28); the induction probe (26) is an acousto-optic sensor.
7. The vehicle-mounted battery fire-proof heat source management synchronization device according to claim 1, characterized in that: the fire extinguishing pipeline control valve (25) is connected to the fire extinguishing pipeline (23), and the fire extinguishing pipeline (23) is connected with the water inlet connecting pipe (27) through a three-way valve.
8. The vehicle-mounted battery fire-proof heat source management synchronization device according to claim 1, characterized in that: reservoir (21) be expansion tank, install level sensor in reservoir (21) case, set up filling opening and inflation and deflation port on the box, level sensor be used for responding to reservoir (21) interior heat-transfer liquid stock of putting out a fire, the filling opening be used for to injecting the heat-transfer liquid of putting out a fire in reservoir (21), the inflation and deflation port is used for pressurizeing or the decompression in reservoir (21), makes the heat-transfer liquid of putting out a fire in reservoir (21) can pump into outlet connecting pipe (28) under the atmospheric pressure in, level sensor is connected with on-vehicle computer and can will put out a fire heat-transfer liquid stock information transfer to on-vehicle computer.
9. A method for using the vehicle-mounted battery fireproof heat source management synchronization device according to any one of claims 1 to 8, characterized by comprising the following steps:
when the vehicle-mounted battery pack module (3) operates normally, the battery fireproof heat source management synchronizer (2) is in a silent state, the heat source management system (1) operates normally in a refrigerating or heating mode, the heat source management system (1) provides cold or heat for the vehicle-mounted battery pack module (3) through the heat exchange pipeline (11), and the vehicle-mounted battery pack module (3) maintains normal operating temperature;
when the internal of the vehicle-mounted battery pack module (3) is on fire and the vehicle-mounted battery pack module (3) cannot be cut off in time, the sensing probe (26) cannot sense that the vehicle-mounted battery pack module (3) is on fire, the temperature sensor (13) senses abnormal rise of temperature of fire-extinguishing heat exchange liquid and sends a signal to a vehicle-mounted computer, the vehicle-mounted computer closes the connection between the heat source management system (1) and other systems to be changed into an internal circulation mode between the heat source management system (1) and the vehicle-mounted battery pack module (3), the liquid storage device control valve (22) is opened, the fire-extinguishing pipeline control valve (25) keeps a closed state, the fire-extinguishing heat exchange liquid in the liquid storage device (21) is injected into a sealed circulation flow channel formed among the heat exchange pipeline (11), the water inlet connecting pipe (27), the vehicle-mounted battery pack module (3) and the water outlet connecting pipe (28), the inner cavity of the battery pack sealing shell (31) is filled with fire extinguishing heat exchange liquid, so that the fire extinguishing heat exchange liquid is directly contacted with a fire point to extinguish fire;
when on-vehicle battery group module (3) outside is on fire, inductive probe (26) sense on-vehicle battery group module (3) is on fire, inductive probe (26) with signal transmission to on-vehicle computer, on-vehicle computer control reservoir control valve (22) and fire extinguishing pipe way control valve (25) are opened, the heat transfer liquid that puts out a fire in reservoir (21) pours into heat transfer pipeline (11), connecting pipe (27) of intaking, form sealed circulation runner between on-vehicle battery group module (3) and the play water connecting pipe (28), the heat transfer liquid that puts out a fire lasts and sprays to on-vehicle battery group module (3) through shower nozzle or orifice (24) on fire extinguishing pipe way (23), cover on-vehicle battery group module (3) and put out a fire.
10. The use method of the vehicle-mounted battery fireproof heat source management synchronization device as claimed in claim 9, is characterized in that: the vehicle-mounted battery pack module (3) performs self-checking before working, at the moment, the circulating pump (12), the temperature sensor (13), the heater (15), the liquid storage device control valve (22), the fire extinguishing pipeline control valve (25) and the induction probe (26) perform self-checking under the command of a vehicle-mounted computer and send feedback signals, the signals have fault and normal information, and the information can be received and processed by the vehicle-mounted computer to ensure the normal operation of each device.
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