CN215988976U - Power battery safety storage device - Google Patents
Power battery safety storage device Download PDFInfo
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- CN215988976U CN215988976U CN202121338452.2U CN202121338452U CN215988976U CN 215988976 U CN215988976 U CN 215988976U CN 202121338452 U CN202121338452 U CN 202121338452U CN 215988976 U CN215988976 U CN 215988976U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a power battery safety storage device. The power battery safety storage device comprises a main box body, a storage box and a storage box, wherein the main box body is used for bearing a power battery; the monitoring system is connected with the main box body and used for monitoring the safety state information in the main box body and sending out warning information when the safety state information is abnormal; and the spraying system is connected with the monitoring system to acquire the warning information and sprays the fire-fighting liquid into the main box body after acquiring the warning information, wherein when the liquid level of the fire-fighting liquid in the main box body reaches a set threshold value, the spraying is stopped and the liquid level is kept. According to the power battery safety storage device provided by the embodiment of the utility model, the power battery can be safely stored, and hidden dangers can be eliminated in time when the power battery has potential safety hazards.
Description
Technical Field
The utility model relates to the technical field of new energy automobile power batteries, in particular to a power battery safety storage device.
Background
With the development of technology, new energy automobiles are more and more widely used. The power battery is an indispensable component of the new energy automobile. The controllable safety of the whole process of the power battery is more and more concerned by people.
In the whole process of research, development, manufacture, use, transportation, storage, replacement, disassembly and recovery of power batteries, power batteries of various types and states are generally required to be stored, but the condition and corresponding facilities for monitoring and emergency disposal of the stored power batteries are not provided in practical situations. The power battery may be subjected to dangerous conditions such as smoking, fire, explosion and the like due to various factors in the storage process, so that a serious safety problem is brought.
Therefore, it is desirable to have a new safety storage device for power batteries that overcomes the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a power battery safety storage device, so as to safely and reliably store power batteries (including power battery components, such as battery cells, pole pieces, etc.) in a full life cycle, and eliminate potential safety hazards in time when the power batteries have potential safety hazards.
According to an aspect of the present invention, there is provided a power battery safety storage device, comprising a main box for carrying a power battery; the monitoring system is connected with the main box body and used for monitoring the safety state information in the main box body and sending out warning information when the safety state information is abnormal; and the spraying system is connected with the monitoring system to acquire the warning information and sprays the fire-fighting liquid into the main box body after acquiring the warning information, wherein when the liquid level of the fire-fighting liquid in the main box body reaches a set threshold value, the spraying is stopped and the liquid level is kept.
Preferably, the main box body comprises a storage room for storing the power battery; and the equipment room is used for installing and protecting the monitoring system and the spraying system and storing other general fire-fighting equipment.
Preferably, the monitoring system comprises a temperature sensor located in the main tank for monitoring the temperature in the main tank; the smoke sensor and the harmful gas sensor are positioned in the main box body and used for monitoring the smoke concentration and the gas composition in the main box body; and the monitoring probe is positioned in the main box body and is used for acquiring the image in the main box body.
Preferably, the monitoring system further comprises an alarm unit for sending the warning information, wherein the alarm unit sends the warning information when the temperature change rate is greater than a threshold value and/or the presence of smoke or harmful gas is monitored and/or the occurrence of an abnormality is judged according to the image.
Preferably, the spraying system comprises a spray head located in the storage room for spraying the fire fighting liquid; the pipeline is arranged in the main box body, is connected with the spray head and is used for conveying the fire-fighting liquid; and the control valve is positioned on the pipeline and used for controlling the on-off of the fire-fighting liquid in the pipeline.
Preferably, the power battery safety storage device further comprises a liquid collection box connected with the storage room and used for collecting the used fire fighting liquid.
Preferably, the power battery safety storage device further comprises an exhaust and smoke exhaust pipeline connected with the main box body and used for exhausting air and/or smoke.
Preferably, the main case includes a frame structure body; a housing located outside of the frame structure body; and a sealing door located at an outer side of the frame structure body, wherein the housing and the sealing door form a closed space; the enclosed space is used for containing the fire fighting liquid.
Preferably, the power battery safety storage device further comprises a water level monitoring device arranged on the main box body and used for monitoring the position of the liquid level in the sealed space, wherein when the water level monitoring device monitors that the liquid level reaches a set height, the spraying system stops spraying the fire-fighting liquid into the sealed space and keeps the liquid level.
Preferably, the power battery safety storage device further comprises an upper computer system as an operating system of the power battery safety storage device.
According to the power battery safety storage device provided by the embodiment of the utility model, the power battery can be safely stored, and hidden dangers can be eliminated in time when the power battery has potential safety hazards
According to the power battery safety storage device provided by the embodiment of the utility model, a long-term constant-temperature storage environment can be provided for the power battery; the dangerous conditions such as smoking, explosion, fire and the like of the power battery, which are possibly caused by various factors, can be detected and early warned in the storage process; the storage area of the storage box is internally provided with temperature, smoke and harmful gas sensors, so that the abnormal conditions of the power battery can be sensed in time, the abnormal power battery can be subjected to fire fighting treatment such as water spraying fire extinguishing and the like, the fire condition can be controlled in time, and the danger source is prevented from being expanded continuously; meanwhile, the sound-light alarm system is started to notify workers, and the exhaust decompression system is started timely.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 shows an apparatus schematic of a power cell safety storage device according to an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a power battery safety storage device according to an embodiment of the utility model;
FIG. 3 is a schematic diagram showing the front structure of a power battery safety storage device according to an embodiment of the utility model;
FIG. 4 is a schematic diagram illustrating a back structure of a power battery safety storage device according to an embodiment of the utility model;
FIG. 5 shows a schematic structural diagram of a monitoring system according to an embodiment of the utility model;
FIG. 6 shows a schematic structural diagram of a device room according to an embodiment of the utility model;
FIG. 7 is a schematic structural view illustrating a main body according to an embodiment of the present invention;
FIG. 8 is a schematic structural view illustrating a main casing according to an embodiment of the present invention;
fig. 9 shows an apparatus schematic of a power battery safety storage apparatus system according to an embodiment of the present invention.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. In particular, in the practical implementation process, each device can perform distributed or miniaturized processing to adapt to the application requirements of different scenes. Moreover, certain well-known elements may not be shown in the figures.
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. In the following description, numerous specific details of the utility model, such as structure, materials, dimensions, processing techniques and techniques of components, are set forth in order to provide a more thorough understanding of the utility model. However, as will be understood by those skilled in the art, the present invention may be practiced without these specific details.
It will be understood that when a layer, region or layer is referred to as being "on" or "over" another layer, region or layer in describing the structure of the component, it can be directly on the other layer, region or layer or intervening layers or regions may also be present. Also, if the component is turned over, one layer or region may be "under" or "beneath" another layer or region.
According to an aspect of the present invention, a power battery safety storage device, also referred to as a power battery safety storage box, or as a battery shelter, is provided.
Fig. 1 shows a schematic device diagram of a power battery safety storage device according to an embodiment of the utility model. As shown in fig. 1, the power battery storage box according to the embodiment of the present invention includes a main body 10, a monitoring system 30, and a spray system 40.
Specifically, the main case 10 is used to carry a power battery.
And the monitoring system 30 is connected with the main box body 10 and is used for monitoring the safety state information in the main box body 10 and sending out warning information when the safety state information is abnormal. The safety state information includes, for example, a temperature change rate, a main body/power battery shape, a harmful gas content, and the like. Alternatively, a warning message is issued when the rate of change of temperature exceeds a set threshold/when the deformation of the power cell exceeds a set threshold/when the content of harmful gases exceeds a set threshold (harmful gas escape). The security status information is not limited to the above-mentioned information, and may be other types of information. The safety state information can be selected according to actual conditions.
And a spraying system 40 connected with the monitoring system 30 to acquire the warning information and spraying fire-fighting liquid into the main tank 10 after acquiring the warning information. The spraying system 40 is connected to the main housing 10 and sprays liquid to (the power battery in) the main housing 10 to eliminate a fire or a fire hazard after acquiring the warning message from the monitoring system 30. The (fire) liquid sprayed by the spraying system 40 is for example water or a fire extinguishing agent or the like. Wherein, when the liquid level of the fire-fighting liquid in the main box body 10 reaches a set threshold value, the spraying is stopped and the liquid level is maintained. Optionally, the main tank 10 is a sealed chamber to ensure that the fire fighting liquid therein does not leak (maintain the liquid level).
In an alternative embodiment of the utility model, the power battery safety storage device further comprises a temperature control system (not shown in the figures). The temperature control system is connected to the main casing 10 for controlling the temperature in the main casing 10. The temperature control system is, for example, an air conditioner for controlling the temperature inside the main casing 10 to be maintained at a constant temperature (e.g., 25 ± 2 ℃). Optionally, the temperature control system comprises an air conditioning system. The air conditioning system adopts a standardized industrial air conditioner. The temperature control system is not limited to the air conditioner, and may be another temperature control device. The monitoring system 30 monitors the rate of temperature change in the main housing 10/power cell surface. When the temperature change rate is detected to exceed a set threshold (abnormal), it is determined that a fire or a hidden fire hazard is occurring in the main tank 10, and the monitoring system 30 sends out a warning message. And under the condition that the temperature change rate is small and does not exceed the set threshold value, judging that the temperature change in the main box body 10 is a normal change, and adjusting the temperature by the temperature control system to keep the constant temperature in the main box body 10. The threshold value for the rate of temperature change may be determined from practical considerations, experience, or experimentation. Alternatively, in the event of an abnormal rate of temperature change, the temperature control system stops operating.
In an optional embodiment of the utility model, the power battery safety storage device according to the embodiment of the utility model further comprises an electrical control system and an upper computer system. The upper computer system is an operating system of the power battery safety storage device and is the core of the power battery safety storage device for realizing full-automatic operation and unattended operation. The upper computer system integrates all control points of the power battery safety storage device and can dynamically and remotely configure system parameters according to user requirements. The temperature control system (air conditioning system) is interconnected with the upper computer system through a standard control port and is controlled by the upper computer system so as to realize the dynamic control of the working temperature. The monitoring system and the spraying system are respectively interconnected with an upper computer system through buses. The electric control system is used for electric control in the power battery safety storage device. Optionally, the power battery safety storage device further comprises an audible and visual alarm system and can be linked with other fire safety systems. The sound and light alarm system is connected with the monitoring system 30 to receive the warning information and send out sound and light alarm according to the warning information. Optionally, the power battery safety storage device further comprises an upper computer system. And the upper computer system is used as an operating system of the power battery safety storage device.
In an alternative embodiment of the present invention, the sprinkler system 40 includes piping, sprinkler heads, and control valves. The spray head is positioned in the storage room and is used for spraying the fire-fighting liquid. And the pipeline is arranged in the main box body, is connected with the spray head and is used for conveying fire-fighting liquid. And the control valve is positioned on the pipeline and used for controlling the on-off of the fire-fighting liquid in the pipeline. The sprinkler system 40 can introduce a large amount of fire-fighting water (e.g., fresh water) for sprinkling, cooling and extinguishing fire in a short time to quickly flood the stored power battery and prevent the power battery from continuously burning due to heat. Optionally, the monitoring system 30 may determine that, when the open condition is reached, a field person is first prompted to manually open the control valve. If no response is made within the set time (for example, 30S), the control valve is automatically opened to spray and extinguish the fire. Optionally, the spraying system 30 includes a spraying pipe and a high-pressure water mist pipe, which are respectively disposed in the main box 10 and arranged according to actual requirements. Optionally, the spraying system 40 is interconnected with the upper computer system through a bus, and supports a control switch for turning on and off the spraying device of each storage room 11 fully automatically and manually.
Fig. 2 shows a schematic structural diagram of a power battery safety storage device according to an embodiment of the utility model. As shown in fig. 2, the safety storage device for power battery according to the embodiment of the present invention includes a main housing 10, and a monitoring system 30 and a spraying system 40 located in the main housing 10.
It should be noted that the structure shown in fig. 2 and the structures shown in the subsequent figures are only optional structures in the embodiment of the present invention, and the structure of the present application is not limited thereto, and may be other structures capable of satisfying the function. For example, the main casing 10 may be a rectangular parallelepiped as illustrated, or may be a cylindrical shape. The shape, size, number, etc. of the main cases 10, and the positions and connection relationships between the plurality of main cases 10 may be designed according to actual needs. The position, composition, etc. of the monitoring system 30, the position of the spraying system 30, etc. can also be designed according to actual needs.
Fig. 3 shows a schematic front structural diagram of a power battery safety storage device according to an embodiment of the utility model. Fig. 4 shows a schematic structural diagram of the back side of the power battery safety storage device according to the embodiment of the utility model. As shown in fig. 3 and 4, the main housing 10 of the power battery safety storage apparatus according to the embodiment of the present invention includes a storage compartment 11 and an equipment compartment 12.
Specifically, the power battery safety storage device (main box 10) needs to provide a firm and reliable storage space for the power battery, must have reliability, can be installed and maintained quickly, is convenient for workers to fix, install, wire, measure and observe the power battery, and is simple to use.
For example, a steel-structured shelter is used as the main box 10. The main housing 10 includes two parts, a storage compartment 11 and an equipment compartment 12. The equipment room 12 and the storage rooms 11 are independent from each other, and air does not flow. The storage compartment 11 is used for storing power batteries (power batteries), which are placed, for example, in a longitudinal direction. The storage room 11 includes, for example, an upper layer and a lower layer, one layer (lower layer) stores 3 power batteries, and the other layer (upper layer) stores 1 power battery. The above-described temperature control system, monitoring system 30 and spray system 40 are provided, for example, in the storage room 11.
The equipment room 12 is used for installation protection of the monitoring system 30 and the spraying system 40, and storage of other general fire-fighting equipment, such as a power distribution cabinet, a control cabinet and other accessory equipment. The color, nameplate, box material, safety doors, corrosion resistance, fire resistance, lightning protection, etc. of the equipment room 12 need to meet the requirements. Alternatively, the length of the equipment room 12 is, for example, about 1500 mm.
The power battery safety storage device as shown in the figure has the storage capacity of storing 16 power batteries simultaneously, the storage box is used for continuous constant-temperature storage and normal-temperature performance test of the power batteries of the new energy automobile, active safety monitoring and protection are required to be carried out on the power batteries (power batteries) in the whole process, an early warning signal is automatically reported when any type of abnormity occurs, once potential safety problems such as smoking, fire and even explosion are monitored to happen, a monitoring system needs to remind field testers to take safety measures in time, and if safety early warning is not relieved within set time, the safety monitoring system starts forced smoke exhaust and fire water extinguishment. Optionally, the main box body 10 (storage room 11) adopts a modular structure, certain subsequent function expansion capacity is reserved, the explosion-proof high-strength requirement is fully considered in structural design, the plate is moderately thickened, a reinforcing design is added at a key part, strength simulation analysis is carried out on the structural design, and the requirements of the test box on bearing, fire prevention and explosion prevention are met.
In an alternative embodiment of the utility model, the power battery safety storage device further comprises a liquid collection tank. The liquid collection tank is connected to the storage compartment 11 for collecting the fire fighting liquid and other liquids after use. Optionally, a valve is provided between the waste water collection tank and the storage compartment 11. The spray system 40 sprays liquid to (the power cells in) the main housing 10 to eliminate a fire or fire hazard. After the fire or fire hazard is eliminated, the used liquid is collected (e.g., by a centrifugal pump) to a waste collection tank.
In an optional embodiment of the utility model, the power battery safety storage device has an auxiliary test function so as to test the placed power battery. The power battery to be tested is placed in a test area, the main box body 10 is communicated with a water supply, drainage and exhaust system of the test area (or the test area is a part of the main box body 10/the storage room 11), products to be tested can be quickly evacuated under the assistance of power equipment, and the process risk can be identified by monitoring the surface temperature, the smoke concentration, the gas components and the like of the power battery to be tested in real time through the monitoring platform. When the fire fighting water in the test area (cabin) submerges the test power battery or stops spraying after reaching the set water level, the fire fighting water in the test cabin cannot be leaked, and the fire fighting water is drained manually or automatically after the test abnormity is relieved. The main box body 10/test area has high reliability, can be quickly installed and maintained, is convenient for testers to fix, install, wire, measure and observe a tested object, and is simple to use.
In an alternative embodiment of the utility model, the temperature control system and the monitoring system 30 inside the power battery safety storage device are activated separately before the power battery storage test is started. The temperature control systems of the equipment room 12 and the storage room 11 are mutually independent to ensure the uniformity of the internal temperature, and the difference of the surface temperatures of different power batteries is not more than 5 ℃. Condensed water generated in the main tank 10 by the temperature control system needs to be collected and drained into a sewer pipe; the switch can be controlled by a control panel of the upper computer system or the equipment room 12. When the working temperature in the storage room 11 is continuously stabilized near a set value (+ -2 ℃) and exceeds 5 minutes, opening the cabin door, loading a tested power battery (in order to reduce temperature fluctuation in the storage room and temperature difference between the inside and the outside of the power battery, ensuring that the opening time of the cabin door does not exceed 20 minutes as much as possible, and adjusting the internal temperature of the tested power battery to the set temperature in other external environment cabins), then checking the sealing condition of the cabin door, checking the connection condition of an air outlet and an exhaust pipeline in a test area, and starting the test when an upper computer system is ready. In the power battery storage process, the upper computer system uploads real-time pictures and running state data to the monitoring center, the upper computer monitoring system generally distinguishes and displays according to the safety fault level set by a test battery sample, and if the temperature is detected to rise rapidly, for example, the temperature rises by more than 5 ℃ per minute or an alarm is given when gas components such as CO are detected. According to the actual situation, a field tester in the control room can click a pause or stop button of the software of the upper computer to stop the test, or trigger an emergency stop button in the control room to control the alarm, or trigger a pause button on a panel between the storage box devices to stop the test; if the temperature of a tested sample is detected to rise to a safety line (generally set to 70 ℃), even smoke and fire are generated, a gas fire extinguishing device in an alarm area is automatically started, if the temperature rise or smoke can not be relieved within set time (such as 5min), an exhaust system in the alarm area is started, if the alarm is not relieved, a field tester manually opens a fire hydrant main gate, a spray button can be clicked on an upper computer of an operation table or an electromagnetic valve is directly triggered to start high-pressure water spraying according to alarm position information prompted by the system, and when the water level in a storage grid (a test area/a storage room 11) reaches a certain height, the spraying is stopped or the drainage system is started to keep the liquid level for at least 1 hour. When the alarm signal is removed and the tester confirms that all the high-low voltage electrical switching devices, the exhaust pipeline and the like are disconnected from the storage box, all the affected power batteries are moved to a safe area by using a forklift to wait for one-step processing.
Fig. 5 shows a schematic structural diagram of a monitoring system according to an embodiment of the utility model. As shown in fig. 5, a monitoring system 30 according to an embodiment of the present invention includes a temperature sensor 31, a smoke sensor 32, and a monitoring probe 33. The various parts of the monitoring system 30 are mounted, for example, on top of the various storage compartments.
Specifically, a temperature sensor 31 is located in the main casing 10/storage room 11 for monitoring the temperature in the main casing 10/storage room 11. Alternatively, when the temperature change rate is greater than a threshold value, it is determined that an abnormality (i.e., a fire or a fire hazard) has occurred. Alternatively, the temperature sensor 31 is a linear temperature sensor disposed on the top plate of the main casing 10/storage room 11 in a bent shape.
And the smoke sensor and the harmful gas sensor are positioned in the main box body and used for monitoring the smoke concentration and the gas composition in the main box body. Optionally, a smoke sensor 32 is located in the main housing 10/storage compartment 11 for monitoring smoke in the main housing 10/storage compartment 11. Optionally, when smoke is detected to exist (or the smoke concentration is greater than a set threshold), it is determined that an abnormality (i.e., a fire or a fire hazard) occurs. Optionally, a harmful gas sensor is used to monitor whether harmful gas is escaping. When the existence of harmful gas is monitored, the occurrence of abnormity (namely fire disaster or fire hidden danger) is judged.
The monitor probe 33 is located in the main body 10/storage room 11 for acquiring an image in the main body 10/storage room 11. Alternatively, it is determined whether an abnormality occurs from the image acquired by the monitoring probe 33.
In an alternative embodiment of the utility model, the monitoring system 30 further comprises an alarm unit. The alarm unit is used for sending out warning information. The alarm unit sends out alarm information when the temperature change rate is larger than a threshold value and/or when the existence of smoke is monitored and/or the occurrence of abnormity is judged according to the image. Optionally, the alarm unit is connected to the temperature sensor 31, the smoke sensor 32 and the monitoring probe 33 respectively to obtain corresponding monitoring information.
In an optional embodiment of the utility model, according to the fire characteristics of the lithium ion power battery, fire linear detectors with three different physical characteristic quantities, namely carbon monoxide (CO), temperature, smoke and the like, are selected to realize fire detection of the power battery (in the main box body 10/warehouse). In combination with fig. 3 and 4, 8 sets of fire linear detectors are arranged in the 8 storage rooms 11, and each power battery is individually monitored in the storage rooms 11. Alternatively, a linear fire detector may be disposed around the top of the storage compartment 11 to effectively detect a fire condition. Optionally, the monitoring system 30 further comprises a harmful gas sensor for detecting harmful gases (e.g. carbon monoxide). When the existence of harmful gas is monitored (or the concentration of the harmful gas is greater than a set threshold value), the occurrence of abnormity is judged (namely, a fire disaster occurs or a fire hazard exists).
In an alternative embodiment of the utility model, the monitoring system 30 (temperature sensor 31, etc.) uploads the monitored data to the control panel during battery storage. If the monitoring platform detects that safety faults (for example, at least one of temperature exceeding 50 ℃, smoke exceeding standard, harmful gas exceeding standard and the like) occur, the air exhaust device is started, and the sound-light alarm system at the top of the equipment is started. The control panel displays the fault reason, and the worker can manually start the spraying system according to the fault reason, the fault grade and the like. If the smoke sensor and the temperature sensor alarm at the same time and the temperature reaches 60 ℃, the equipment automatically cuts off the non-firefighting electricity, the exhaust fan is closed, the spraying fire extinguishing device in the alarm area is automatically started, the water level in each compartment (storage area 11) reaches the upper surface of the uppermost battery within a certain time (for example, 30 minutes), and the liquid level is kept for 24 hours. After the fire hazard is removed, the water in the storage compartment 11 is discharged into a waste water collection tank.
Fig. 6 shows a schematic structural diagram of an apparatus according to an embodiment of the present invention. As shown in fig. 6, the equipment room 12 according to the embodiment of the present invention is used for placing accessories such as power distribution cabinets, control cabinets, etc., for example, at one side of the storage room 11.
Fig. 7 illustrates a schematic structural view of a main case according to an embodiment of the present invention. As shown in fig. 7, the main casing 10 according to the embodiment of the present invention is a frame structure. Alternatively, each storage room 11 and the equipment room 12 are independent of each other, and each is an independent frame structure. Optionally, adjacent storage/equipment compartments 11, 12 share adjacent frames. The outside of the frame structure was covered with a plate material to obtain a main box structure as shown in fig. 8.
In order to adapt to complicated and severe industrial control, a frame structure is adopted. Considering preparation, purchase etc. of steel, frame construction's bottom adopts standard H shaped steel and C shaped steel welding to form in order to guarantee the bearing of bottom, and other frame parts adopt the square steel concatenation to form. And covering plates, such as an inner container and a door plate which are formed by splicing and welding stainless steel plates, on the outer side of the frame structure. Alternatively, the main housing 10 is externally provided with a hot-rolled or cold-rolled high weather-resistant steel plate of a certain thickness. Optionally, the wall of the main box 10 is constructed by a sandwich layer, and the middle layer is an insulating layer.
In an alternative embodiment of the present invention, the main casing 10 includes a frame structure body; a housing located outside the frame structure body; and the sealing door is positioned on the outer side of the frame structure main body. Wherein, the shell and the sealing door form a closed space; the closed space is used for containing fire-fighting liquid. Optionally, the power battery safety storage device further comprises a water level monitoring device. The water level monitoring device is provided on the main tank 10 for monitoring the liquid level position in the sealed space. Wherein, when the water level monitoring device monitors that the liquid level reaches the set height, the spraying system 40 stops spraying the fire fighting liquid into the sealed space and maintains the liquid level.
In an alternative embodiment of the present invention, the main casing 10 is provided with an inner duct and an outer duct. The inner and outer air ducts of the main box 10 are treated by the same or different materials and processes as the outer shell of the main box 10. Optionally, a lightning protection module is further disposed in the main box 10, and a grounding point is further disposed on the main box 10.
Fig. 8 is a schematic structural view illustrating a main case according to an embodiment of the present invention. As shown in fig. 8, the main casing 10 according to the embodiment of the present invention includes a door 101.
In particular, the door 101 serves to seal the main casing 10. The door 101 is for example designed as a cabin door, each door having a plurality of (for example 7) sealing and locking devices. The sealing strip is made of U-shaped corrosion-resistant, wear-resistant and high-temperature-resistant silica gel. Alternatively, the door 101 may be opened or closed by an electric power assisted control, or manually, for example, by a separate control device. Optionally, a water level monitoring (controlling) device is provided in the main tank 10. If water is present in the main body 10, the door 101 cannot be opened. Optionally, the door 101 is a single door or a double door, and the door 101 is opened outward. Optionally, the box door 101 is completely sealed after being closed (except for a smoke exhaust port, an air conditioner air inlet and the like), and has good sealing performance. A drain line is provided in the sealed main tank 10, and the drain line is provided with, for example, an electromagnetic valve. Optionally, the drain line is connected to an external waste water collection tank.
In an alternative embodiment of the present invention, the main box 10 includes a battery compartment main body, a box door 101, a storage area partition, a storage rack, an operation table, an air exhaust and smoke exhaust duct, a water collector, and the like. The steel plate of the box body is welded and reinforced, and meanwhile, sealant (the joints of the toughened glass window, the door and the box body) is added at the joints. The data of the power battery in the main box body 10 is connected with the monitoring platform through a bus, so that the state of the power battery can be monitored in real time, and the early failure of the power battery can be found according to a set parameter threshold value; the main box body 10 is internally provided with a camera, a power battery temperature sensor, a smoke sensor, an automatic air conditioner and the like, test data are connected to a monitoring platform through a wired network, external environment parameters of the power battery can be effectively monitored, and a reliable means is timely adopted to control and process risks.
Fig. 9 shows an apparatus schematic of a power battery safety storage apparatus system according to an embodiment of the present invention. As shown in fig. 9, the power battery safety storage device system according to the embodiment of the utility model includes a monitoring platform and a power battery safety storage device.
Specifically, the monitoring platform is configured in a test area, for example, to realize state monitoring and various operation controls of the test system, mainly monitor temperature data of the storage cabin, video data in the test cabin, smoke sensor data and the like, can display the data in real time on a special screen or upper computer software, and can realize operations including system state detection, system start and stop, emergency stop control, fire extinguishing system control, drainage control, exhaust control and the like. The monitoring system reserves configuration interfaces such as fault response grade, fault response time, manual/automatic mode switching and the like (configuration items can be increased or decreased according to actual requirements), can be set and adjusted appropriately according to actual conditions, and meanwhile, the monitoring platform can realize centralized control of a plurality of test boxes. Each test box is independently controlled, data are managed in a centralized mode, so that field testing personnel can integrally master the whole experimental condition, particularly the test data of the power batteries with the same specification under different conditions can be compared in real time, the test time is saved, and the accuracy of the test data is improved.
The system software of the power battery safety storage device system comprises a factory central control system and an upper computer: and displaying video information, the temperature in the box, the running state and the like, displaying information such as the serial number of the fault storage box, the storage area, the fault reason and the like on a screen when a fault occurs, and starting acousto-optic alarm. Set up fire control and start the password, prevent the maloperation. Information transmission such as influence, data, signals and the like passes through the network cable; an 8-inch display screen is arranged in the equipment room and used for displaying the temperature in the box, the temperature above each power battery and the running state, and when a fault occurs, the screen displays information such as the number of a fault storage box, a storage area, a fault reason and the like; the control of starting of equipment, starting of an air conditioner, sudden stop and the like can be realized; the corresponding position of the display screen is provided with explosion-proof glass for workers to check; the operation needs to unlock and enter the equipment room.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In accordance with the embodiments of the present invention as set forth above, these embodiments are not exhaustive and do not limit the utility model to the precise embodiments described. 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 utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model and various embodiments with various modifications as are suited to the particular use contemplated. The utility model is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A power cell safety storage device, comprising:
the main box body is used for bearing a power battery;
the monitoring system is connected with the main box body and used for monitoring the safety state information in the main box body and sending out warning information when the safety state information is abnormal; and
the spraying system is connected with the monitoring system to acquire the warning information and sprays the fire-fighting liquid into the main box body after acquiring the warning information,
and when the liquid level of the fire-fighting liquid in the main tank body reaches a set threshold value, stopping spraying and keeping the liquid level.
2. The power battery safety storage device of claim 1, wherein the main case comprises:
the storage room is used for storing the power battery; and
and the equipment room is used for installing and protecting the monitoring system and the spraying system and storing fire-fighting equipment.
3. The power battery safety storage device of claim 1, wherein the monitoring system comprises:
the temperature sensor is positioned in the main box body and used for monitoring the temperature in the main box body;
the smoke sensor and the harmful gas sensor are positioned in the main box body and used for monitoring the smoke concentration and the gas composition in the main box body; and
and the monitoring probe is positioned in the main box body and is used for acquiring the image in the main box body.
4. The power battery safety storage device of claim 3, wherein the monitoring system further comprises:
an alarm unit for emitting the warning information,
and the alarm unit sends the warning information when the temperature change rate is greater than a threshold value and/or the existence of smoke or harmful gas is monitored and/or the abnormality is judged according to the image.
5. The power battery safety storage device of claim 2, wherein the spray system comprises:
the spray head is positioned in the storage room and is used for spraying the fire-fighting liquid;
the pipeline is arranged in the main box body, is connected with the spray head and is used for conveying the fire-fighting liquid; and
and the control valve is positioned on the pipeline and used for controlling the on-off of the fire-fighting liquid in the pipeline.
6. The power battery safety storage device of claim 2, further comprising:
and the liquid collecting box is connected with the storage room and is used for collecting the used fire fighting liquid.
7. The power battery safety storage device of claim 1, further comprising:
and the air exhaust and smoke exhaust pipeline is connected with the main box body and is used for exhausting air and/or discharging smoke.
8. The power battery safety storage device of claim 1, wherein the main case comprises:
a frame structure body;
a housing located outside of the frame structure body; and
a sealing door located at an outer side of the frame structure body,
wherein the shell and the sealing door form a closed space; the enclosed space is used for containing the fire fighting liquid.
9. The power battery safety storage device of claim 8, further comprising:
a water level monitoring device arranged on the main box body and used for monitoring the liquid level position in the closed space,
when the water level monitoring device monitors that the liquid level reaches a set height, the spraying system stops spraying the fire-fighting liquid into the closed space and keeps the liquid level.
10. The power battery safety storage device of claim 1, further comprising:
and the upper computer system is used as an operating system of the power battery safety storage device.
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