CN113745681A - Vehicle-mounted power battery box fire suppression and integrated energy-saving system and using method thereof - Google Patents
Vehicle-mounted power battery box fire suppression and integrated energy-saving system and using method thereof Download PDFInfo
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- CN113745681A CN113745681A CN202111045563.9A CN202111045563A CN113745681A CN 113745681 A CN113745681 A CN 113745681A CN 202111045563 A CN202111045563 A CN 202111045563A CN 113745681 A CN113745681 A CN 113745681A
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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
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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
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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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- 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
- H01M10/63—Control systems
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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
- H01M10/6561—Gases
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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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- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a fire suppression and integrated energy-saving system of a vehicle-mounted power battery box and a use method thereof in the technical field of power batteries, the battery box of the system is internally provided with a sensor module, the battery box is communicated with a voltage stabilizing system through an air passage, the pressure stabilizing system is communicated with the nitrogen device through a gas path, the nitrogen device is communicated with the heating module through a gas path, the heating module is communicated with the dryer through a gas circuit, the dryer is communicated with the auxiliary gas cylinder of the whole vehicle through a gas circuit, the main electromagnetic valve is arranged at the left end of the auxiliary gas cylinder of the whole vehicle, so that the fire extinguishing device adopted by the existing new energy vehicle battery box is solved, the fire extinguishing device belongs to passive safety and is easy to cause greater damage to batteries and equipment, when the existing battery box fire suppression device is designed and developed, only the fire suppression function is considered, and the energy-saving effect is not considered, so that the energy consumption of the whole device is increased.
Description
Technical Field
The invention relates to the technical field of power batteries, in particular to a fire suppression and integrated energy-saving system of a vehicle-mounted power battery box and a using method thereof.
Background
The fire extinguishing device adopted by the battery box of the existing new energy vehicle has the precondition that the fire extinguishing agent is sprayed to perform passive fire extinguishing action after the fire occurs in the power battery box, so that the hidden fire danger in the power battery box can not be prevented and restrained in advance, the fire extinguishing device belongs to passive safety, and can easily bring greater damage to batteries and equipment.
Based on the above, the invention designs a fire suppression and integrated energy-saving system for a vehicle-mounted power battery box to solve the above problems.
Disclosure of Invention
The invention aims to provide a fire suppression and integrated energy-saving system for a vehicle-mounted power battery box, and aims to solve the problems that the fire suppression device adopted by the existing new energy vehicle battery box in the background art cannot prevent and suppress the fire hidden danger in the power battery box in advance due to the fact that the fire suppression action is carried out only after a fire occurs in the power battery box, the fire suppression device belongs to passive safety and is easy to bring greater damage to batteries and equipment, and the existing battery box fire suppression device is designed and developed only by considering a fire suppression function and does not consider the energy-saving effect of the fire suppression device, so that the energy consumption of the whole device is increased.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fire suppression and integrated economizer system of on-vehicle power battery box, includes battery box and main control unit, its characterized in that: the fire extinguishing device is characterized in that a sensor module is arranged in the battery box, the battery box is communicated with a pressure stabilizing system through a gas circuit, the pressure stabilizing system is communicated with a nitrogen device through a gas circuit, the nitrogen device is communicated with a heating module through a gas circuit, the heating module is communicated with a dryer through a gas circuit, the dryer is communicated with a whole vehicle auxiliary gas cylinder through a gas circuit, a main electromagnetic valve is arranged at the left end of the whole vehicle auxiliary gas cylinder, the problem that the existing fire extinguishing device adopted by the battery box of the new energy vehicle is solved, the fire extinguishing agent is sprayed under the precondition that a passive fire extinguishing action is carried out after a fire condition appears in the power battery box body, the fire hidden danger in the power battery box cannot be prevented and inhibited in advance, the passive safety is achieved, larger damage is easily brought to batteries and equipment, and the existing battery box fire inhibiting device only considers the fire inhibiting function and does not consider the energy-saving effect when being designed and developed, the energy consumption of the whole device is increased by more than 30 percent.
As a further scheme of the invention, the battery box is divided into a first battery box and a second battery box, a first electromagnetic valve is arranged on a gas path of the first battery box communicated with the voltage stabilizing system, and a second electromagnetic valve is arranged on a gas path of the second battery box communicated with the voltage stabilizing system, so that nitrogen gas in the battery box is charged more accurately.
As a further scheme of the invention, the sensor module comprises a hydrogen concentration sensor, a smoke sensor, a VOC sensor, a CO sensor, a temperature sensor, a long-life oxygen concentration sensor and a pressure sensor, and can conveniently detect the condition in the battery box.
As a further scheme of the invention, the nitrogen device comprises a nitrogen storage bottle, a nitrogen pressure sensor and a nitrogen making device, wherein the nitrogen pressure sensor is arranged at the left end of the nitrogen storage bottle, and the nitrogen storage bottle is communicated with the nitrogen making device through a gas path, so that the nitrogen is convenient to manufacture and store.
As a further scheme of the invention, the main electromagnetic valve, the heating module, the nitrogen device, the first electromagnetic valve, the second electromagnetic valve and the sensor module are electrically connected with the main controller, so that the main controller is convenient to use.
As a further scheme of the invention, the battery box is provided with the balance valve which is communicated with the nitrogen recovery device of the gas path, so that the discharged nitrogen can be recycled, the utilization rate of the nitrogen is improved, and the energy consumption is further reduced.
The invention also provides the following technical scheme: a method for using a fire suppression and integrated energy-saving system of a vehicle-mounted power battery box comprises the steps that necessary parameters are set through a main controller, a whole vehicle auxiliary gas cylinder provides a high-pressure gas source, the main controller judges the residual nitrogen amount in a nitrogen storage cylinder according to a nitrogen pressure sensor, according to set control logic, when the measured value of the nitrogen pressure sensor is lower than a set value, the main controller communicates with a main electromagnetic valve, the main electromagnetic valve is opened, the high-pressure gas source filters moisture and impurities in air through a dryer, the air enters an integrally designed heating module, the air is controlled in an optimal temperature range through the heating module and enters a nitrogen making device, the nitrogen and oxygen in the air are separated, high-purity nitrogen enters the nitrogen storage cylinder, and various parameter indexes in the battery box are monitored in real time through a smoke concentration sensor, a VOC sensor, a CO sensor, a temperature sensor, a long-life oxygen concentration sensor and a pressure sensor in the battery box, and the main controller comprehensively judges whether the electromagnetic valves connected with different battery boxes are opened or not according to the comparison of the measured data of the sensor and the parameters in the set logic, and fills the unique pressure stabilizing system of the nitrogen in the nitrogen storage bottle into the corresponding battery box.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure, convenient use and reasonable design, can inhibit the concentration of combustible substances and flame-retardant gas in the battery box by using nitrogen as an inhibitor in the battery box, prevents fire in the battery box, reduces the number of energy-consuming heating modules and the overall energy consumption while ensuring the effectiveness of the fire inhibition function of the overall device through the integrated design of the gas path system, the valve body and the heating module, can improve the utilization rate of high-purity nitrogen in the nitrogen storage bottle by the arranged pressure stabilizing system, thereby greatly reducing the starting and running time of the electric air compressor, reducing the energy consumption, and can reduce the working time of the whole device by the arranged long-life oxygen concentration sensor on the premise of ensuring that the oxygen concentration in the battery box body is lower than a critical value and not causing oxidation reaction of smoke and fire, thereby reducing the energy consumption, the recovery gas circuit that sets up can carry out recycle with battery box balance valve exhaust nitrogen gas, has improved the availability factor of nitrogen gas to the energy consumption has further been reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a sensor module according to the present invention;
fig. 3 is a schematic diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a battery box 1, a first battery box 101, a second battery box 102, a main controller 2, a sensor module 3, a gas circuit 4, a pressure stabilizing system 5, a nitrogen device 6, a nitrogen storage bottle 61, a nitrogen pressure sensor 62, a nitrogen making device 63, a heating module 7, a dryer 8, a whole vehicle auxiliary gas bottle 9, a main electromagnetic valve 10, a first electromagnetic valve 11, a second electromagnetic valve 12, a hydrogen concentration sensor 13, a smoke sensor 14, a VOC sensor 15, a CO sensor 16, a temperature sensor 17, a long-life oxygen concentration sensor 18 and a pressure sensor 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a fire suppression of on-vehicle power battery box and integrated economizer system, includes battery box 1 and main control unit 2, its characterized in that: be equipped with sensor module 3 in the battery box 1, detect the 1 inside condition of battery box, battery box 1 passes through gas circuit 4 and 5 looks UNICOMs of steady voltage system, conveniently pours into nitrogen gas into, steady voltage system 5 is linked together through gas circuit 4 with nitrogen device 6, makes things convenient for the injection of nitrogen gas, nitrogen device 6 passes through gas circuit 4 looks UNICOM with heating module 7, plays the effect of heating, heating module 7 passes through gas circuit 4 looks UNICOM with desicator 8, desicator 8 passes through gas circuit 4 looks UNICOM with whole car auxiliary gas cylinder 9, plays dry effect, 9 left ends of whole car auxiliary gas cylinder are equipped with total solenoid valve 10.
The invention prevents fire in the battery box 1 by using nitrogen as an inhibitor in the battery box 1, reduces energy consumption by the integrated design of the gas path 4 system, the valve body and the heating module 7, improves the utilization rate of nitrogen by the voltage stabilizing system 5, reduces energy consumption, can further reduce energy consumption by the long-life oxygen concentration sensor 18, thereby solving the problem that the fire extinguishing device adopted by the battery box of the existing new energy vehicle has the precondition that the fire extinguishing agent is sprayed to perform the passive fire extinguishing action after the fire occurs in the power battery box body, the hidden danger of fire in the power battery box can not be prevented and inhibited in advance, belonging to passive safety and easily bringing greater damage to batteries and equipment, when the existing battery box fire suppression device is designed and developed, only the fire suppression function is considered, and the energy-saving effect is not considered, so that the energy consumption of the whole device is increased.
Referring to fig. 1, the battery box 1 is divided into a first battery box 101 and a second battery box 102, a first electromagnetic valve 11 is disposed on a gas path 4 through which the first battery box 101 is communicated with the voltage stabilizing system 5, and a second electromagnetic valve 12 is disposed on the gas path 4 through which the second battery box 102 is communicated with the voltage stabilizing system 5, so that nitrogen gas in the battery box 1 is charged more accurately.
Referring to fig. 1-2, the sensor module 3 includes a hydrogen concentration sensor 13, a smoke sensor 14, a VOC sensor 15, a CO sensor 16, a temperature sensor 17, a long-life oxygen concentration sensor 18, and a pressure sensor 19, which are convenient for detecting the conditions inside the battery box 1.
Referring to fig. 1, the nitrogen device 6 includes a nitrogen storage bottle 61, a nitrogen pressure sensor 62 and a nitrogen generator 63, the nitrogen pressure sensor 62 is disposed at the left end of the nitrogen storage bottle 61, and the nitrogen storage bottle 61 is communicated with the nitrogen generator 63 through an air passage 4, so as to facilitate the production and storage of nitrogen.
Referring to fig. 1, the main solenoid valve 10, the heating module 7, the nitrogen device 6, the first solenoid valve 11, the second solenoid valve 12 and the sensor module 3 are electrically connected to the main controller 2, so that the main controller 2 can be conveniently used.
Referring to fig. 1, the battery box 1 is provided with a balance valve, and the balance valve is communicated with the nitrogen recovery device 6 through the gas recovery path 4, so that the discharged nitrogen can be recycled, the utilization rate of the nitrogen is improved, and the energy consumption is further reduced.
The invention also provides a technical scheme that: a method for using a fire suppression and integrated energy-saving system of a vehicle-mounted power battery box comprises the steps that necessary parameters are set through a main controller 2, a high-pressure air source is provided by an auxiliary air bottle 9 of a whole vehicle, the main controller 2 judges the residual nitrogen amount in a nitrogen storage bottle 61 according to a nitrogen pressure sensor 62, according to set control logic, when the measured value of the nitrogen pressure sensor 62 is lower than a set value, the main controller 2 communicates with a main electromagnetic valve 10, the main electromagnetic valve 10 is opened, the high-pressure air source filters moisture and impurities in air through a drier 8 and enters an integrated heating module 7, the air is controlled in an optimal temperature range through the heating module 7 and enters a nitrogen making device 63, the nitrogen and the oxygen in the air are separated, high-purity nitrogen enters the nitrogen storage bottle 61, a smoke concentration sensor, a VOC sensor 15, a CO sensor 16 and a temperature sensor 17 in the battery box 1, the long-life oxygen concentration sensor 18 and the pressure sensor 19 monitor various parameter indexes in the battery box 1 in real time, the main controller 2 comprehensively judges whether electromagnetic valves connected with different battery boxes 1 are opened or not according to the comparison between the measured data of the sensors and the parameters in set logic, and the unique voltage stabilizing system 5 of the nitrogen in the nitrogen storage bottle 61 is charged into the corresponding battery box 1.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a vehicle-mounted power battery box conflagration restraines and energy-conserving system of integration, includes battery box (1) and main control unit (2), its characterized in that: be equipped with sensor module (3) in battery box (1), battery box (1) is through gas circuit (4) and steady voltage system (5) looks UNICOM, steady voltage system (5) are linked together through gas circuit (4) with nitrogen device (6), nitrogen device (6) are through gas circuit (4) looks UNICOM with heating module (7), heating module (7) are through gas circuit (4) looks UNICOM with desicator (8), desicator (8) are through gas circuit (4) looks UNICOM with whole car auxiliary gas cylinder (9), whole car auxiliary gas cylinder (9) left end is equipped with total solenoid valve (10).
2. The vehicle-mounted power battery box fire suppression and integrated energy saving system according to claim 1, characterized in that: the battery box (1) is divided into a first battery box (101) and a second battery box (102), a first electromagnetic valve (11) is arranged on a gas path (4) of the first battery box (101) communicated with the voltage stabilizing system (5), and a second electromagnetic valve (12) is arranged on a gas path (4) of the second battery box (102) communicated with the voltage stabilizing system (5).
3. The vehicle-mounted power battery box fire suppression and integrated energy saving system according to claim 1, characterized in that: the sensor module (3) comprises a hydrogen concentration sensor (13), a smoke sensor (14), a VOC sensor (15), a CO sensor (16), a temperature sensor (17), a long-life oxygen concentration sensor (18) and a pressure sensor (19).
4. The vehicle-mounted power battery box fire suppression and integrated energy saving system according to claim 1, characterized in that: nitrogen device (6) are including storing up nitrogen bottle (61), nitrogen gas pressure sensor (62) and nitrogen making device (63), it is equipped with nitrogen gas pressure sensor (62) to store up nitrogen bottle (61) left end, store up nitrogen bottle (61) and pass through gas circuit (4) nitrogen making device (63) looks UNICOM.
5. The vehicle-mounted power battery box fire suppression and integrated energy saving system according to claim 2, characterized in that: the main electromagnetic valve (10), the heating module (7), the nitrogen device (6), the first electromagnetic valve (11), the second electromagnetic valve (12) and the sensor module (3) are electrically connected with the main controller (2).
6. The vehicle-mounted power battery box fire suppression and integrated energy saving system according to claim 1, characterized in that: the battery box (1) is provided with a balance valve which is communicated with a gas path nitrogen recovery device (6).
7. The use method of the fire suppression and integrated energy saving system for the vehicle-mounted power battery box according to any one of claims 1 to 6 is characterized in that: the method comprises the steps that necessary parameters are set through a main controller (2), a finished automobile auxiliary gas cylinder (9) provides a high-pressure gas source, the main controller (2) judges the residual nitrogen amount in a nitrogen storage cylinder (61) according to a nitrogen pressure sensor (62), according to a set control logic, when the measured value of the nitrogen pressure sensor (62) is lower than a set value, the main controller (2) communicates with a main electromagnetic valve (10), the main electromagnetic valve (10) is opened, the high-pressure gas source filters moisture and impurities in air through a drier (8), the air enters an integrally designed heating module (7), the air is controlled in an optimal temperature range through the heating module (7) and enters a nitrogen making device (63), nitrogen and oxygen in the air are separated, high-purity nitrogen enters the nitrogen storage cylinder (61), and a smoke concentration sensor, a VOC sensor (15), a CO sensor (16) and a smoke concentration sensor in a battery box (1), The temperature sensor (17), the long-life oxygen concentration sensor (18) and the pressure sensor (19) monitor various parameter indexes in the battery box (1) in real time, the main controller (2) comprehensively judges whether electromagnetic valves connected with different battery boxes (1) are opened or not according to the comparison of sensor measurement data and parameters in set logic, and a unique voltage stabilizing system (5) of nitrogen in the nitrogen storage bottle (61) is charged into the corresponding battery box (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111045563.9A CN113745681A (en) | 2021-09-07 | 2021-09-07 | Vehicle-mounted power battery box fire suppression and integrated energy-saving system and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111045563.9A CN113745681A (en) | 2021-09-07 | 2021-09-07 | Vehicle-mounted power battery box fire suppression and integrated energy-saving system and using method thereof |
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| CN113745681A true CN113745681A (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338499A (en) * | 2023-05-26 | 2023-06-27 | 宁德时代新能源科技股份有限公司 | Method, apparatus and computer storage medium for detecting battery |
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2021
- 2021-09-07 CN CN202111045563.9A patent/CN113745681A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338499A (en) * | 2023-05-26 | 2023-06-27 | 宁德时代新能源科技股份有限公司 | Method, apparatus and computer storage medium for detecting battery |
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