Novel container for transporting lithium batteries

Abstract

The utility model relates to a novel container for lithium battery transportation, which comprises a container body, a pressure relief and exhaust device, a flame-retardant heat insulation piece and a protective device, the container body is provided with an outer layer, an inner layer and a middle layer, the length, width and height of the outer part of the container body are 12192 * 2438 * 2896 mm, the length, width and height of the inner part of the container body are 11930 * 2290 * 2632 mm, the flame-retardant heat insulation piece is arranged in the middle layer, and the protective device is arranged on the inner part of the container body. The protection device is arranged outside the outer layer, and the pressure relief and exhaust device is arranged at the front end of the box body. By means of the structure, the problems that when a lithium battery in an existing container is in thermal runaway, a large amount of gas is generated, the pressure in the container is increased along with certain temperature rise, and the container possibly deforms and even bursts are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery transportation, and particularly relates to a new type of container for lithium battery transportation. Background Art

[0002] In recent years, new energy vehicles, lithium batteries and photovoltaic products have been hailed as the "new three items" of China's foreign trade, becoming a brand-new business card showing the high-end, intelligent and green development of Made in China. With the new energy vehicle industry becoming a strategically emerging industry strongly supported by the state, China has become the world's largest producer of power lithium batteries for electric vehicles, and the existing transportation methods are difficult to meet the rapidly growing transportation demand for power lithium batteries. Railway transportation has great advantages in terms of transportation scale, stability, transportation safety and carbon emissions, especially in the medium- and long-distance large-scale transportation of lithium battery production enterprises. The main products exported by leading lithium battery production enterprises have a relatively urgent demand for railway transportation. At present, China's power lithium battery product standard system has issued the "Safety Requirements for Power Batteries for Electric Vehicles" (GB 38031). Domestic power lithium-ion batteries for electric vehicles need to pass the GB 38031 test according to national standards, and both product quality and safety are guaranteed to a certain extent.

[0003] Power lithium-ion batteries for electric vehicles, with the dangerous goods number 91045 and UN number 3480, belong to Class 9: Miscellaneous dangerous substances and articles, including substances harmful to the environment. The thermal runaway of power lithium batteries for electric vehicles will generate a large amount of gas, with a fast ignition speed, long duration, high combustion temperature, difficult to extinguish, and an explosion risk during long-term combustion. General containers can be used for road transportation and sea transportation. The main components such as the side walls, end walls, and roof of general containers are made of ordinary steel, with a thickness of about 2 mm, and do not have flame retardant and heat insulation functions. Moreover, when general containers are used to transport lithium batteries, if the internal pressure of the container becomes too high due to the thermal runaway of the lithium batteries, the general container is very likely to have risks such as box body deformation and bursting. The high-temperature environmental conditions of general containers are not conducive to the safe transportation of lithium batteries. At present, some sea transportation uses refrigerated containers or insulated containers to transport lithium batteries. Refrigerated containers or insulated containers have good sealing performance. Although the temperature inside the container can be controlled, if a large amount of gas is generated due to the thermal runaway of the lithium batteries, the gas cannot be discharged in time, and it is more likely to have risks such as box body deformation and bursting. Summary of the Utility Model

[0004] The utility model provides a new type of container for lithium battery transportation, which solves the problems that existing general containers do not have functions of flame retardant and heat insulation, pressure relief and exhaust, and in-box monitoring. Moreover, when general containers are used to transport lithium batteries, if the internal pressure of the container becomes too high due to the thermal runaway of the lithium batteries, the general container is very likely to have risks such as box body deformation and bursting.

[0005] The technical solution of the present utility model to solve the above technical problems is as follows:

[0006] The box body has an outer layer, an inner layer and an intermediate layer. The external length, width and height of the box body are 12192*2438*2896 mm, and the internal length, width and height are 11930*2290*2632 mm. The flame-retardant and heat-insulating member is arranged in the intermediate layer, the protection device is arranged outside the outer layer, and the pressure relief and exhaust device is arranged at the front end of the box body.

[0007] The beneficial effect of the present utility model is that the box body is set to three layers, and the flame-retardant and heat-insulating member is arranged in the intermediate layer. The high temperature generated by the combustion due to the thermal runaway of the lithium battery in the box is prevented from overflowing outside the box through the flame-retardant and heat-insulating member. The pressure relief and exhaust device is arranged at the front end of the box body. When the pressure in the box body rises to the pressure set by the product, the pressure relief and exhaust device will open at the specified pressure value, and release the internal pressure from the pressure relief and exhaust device to the outside of the box body. The protection device is arranged outside the box body, which can reduce the damage to the box body caused by collision during transportation and reduce the damage to the lithium battery in the box body.

[0008] The external length, width and height of the box body are set to 12192*2438*2896 mm, and the internal length, width and height of the box body are set to 11930*2290*2632 mm, so that the thickness of the two sides of the box body becomes thinner. A protection device is added outside the box body, so that the external dimensions of the lithium battery container are the same as those of the standard container, which is suitable for railway, highway and sea transportation. The internal dimensions of the box body are smaller than those of the standard container, so that the internal space of the box body is enlarged, and the inside of the container box body is suitable for loading more and wider-sized lithium battery goods. By using a standard lithium battery loading tray, two trays can be loaded side by side into the box, which improves the loading capacity of the container and the utilization rate of the internal space of the box. On the other hand, the air circulation in the box body is smoother, and the pressure generated in the box body is reduced.

[0009] On the basis of the above technical solution, the present utility model is further improved as follows.

[0010] Further, the rear end of the box body is set as a box door, and the box door is set as a double-opening type.

[0011] The beneficial effect of adopting the above further solution is that a double-opening box door is arranged at the rear of the box body, which is convenient for pushing the lithium battery into the box body.

[0012] Further, the bottom of the box body adopts a steel bottom plate, and a plurality of bottom plate grooves are symmetrically opened on both sides of the steel bottom plate in the length direction of the box body, and a fastening device is arranged in the bottom plate grooves.

[0013] The beneficial effect of adopting the above further solution is that a plurality of bottom plate grooves are formed in the steel bottom plate inside the box body, and a bolting device is arranged in the bottom plate grooves, so that the lithium battery pack inside the box body can be fixedly arranged on the bottom plate inside the box body through the bolting device.

[0014] Furthermore, the middle layer is a steel buckle plate frame, and the thickness of the middle layer on both sides of the box body is 40 mm.

[0015] The beneficial effect of adopting the above further solution is that the middle layer of the box body adopts a steel buckle plate frame, making the overall box body more solid. The thickness of the middle layer on both sides of the box body is 40 mm, reducing the thickness of both sides of the box body, so that the internal size of the box body is larger than the internal size of the existing standard specification container. Making the internal size of the box body larger than that of the standard container expands the internal space of the box body, making the inside of the container box suitable for shipping more and wider-sized lithium battery goods. Using standard lithium battery pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box.

[0016] Furthermore, it is a rock wool board. There are multiple rock wool boards, and multiple rock wool boards are spliced and built-in in the steel buckle plate frame. The density of the rock wool board is 120 kg / m 3 .

[0017] The beneficial effect of adopting the above further solution is that the rock wool board is artificial inorganic fiber processed by high-temperature melting, with the characteristics of light weight, small thermal conductivity, heat absorption, and non-combustibility. The spliced multiple rock wool boards built-in in the steel buckle plate frame have higher stress intensity than the whole piece built-in in the steel buckle plate frame. The rock wool board with a thickness of 40 mm and a density of 120 kg / m 3 is used on both sides of the box body, increasing the internal width of the box body to about 2290 mm on the premise of ensuring the flame retardant and heat insulation effects.

[0018] Furthermore, the protection device is a corrugated board. The corrugated board is divided into a first corrugated board and a second corrugated board. The depth of the first corrugated board is 25 mm, and the first corrugated board is arranged on both sides of the box body. The second corrugated board is of standard thickness and is arranged on the top, front end, and rear end of the box body.

[0019] The beneficial effect of adopting the above further solution is that the first corrugated board is arranged on both sides of the box body, thinning the side walls on both sides of the box body, increasing the internal space size of the box body, making the inside of the container box suitable for shipping more and wider-sized lithium battery goods. Using standard lithium battery pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box.

[0020] Furthermore, the pressure relief and exhaust device includes a pressure relief window frame, a rotating structure, and a barrier net. A pressure relief opening is provided at the front end of the box body, and the pressure relief and exhaust device is arranged at the pressure relief opening. The barrier net is arranged on one side of the pressure relief window frame, and the rotating structure is arranged on the other side of the pressure relief window frame. The side of the pressure relief window frame with the barrier net is arranged inside the box body, and the side with the rotating structure is arranged outside the box body.

[0021] The beneficial effect of adopting the above further solution is that a pressure relief and exhaust device is provided at the front end of the box body. When the pressure inside the box body rises to the pressure set by the product, the pressure relief and exhaust device will open at the specified atmospheric pressure value. The pressure inside the box body pushes the rotating structure, causing the rotating structure to rotate along one side of the pressure relief window frame, so that one side of the pressure relief window frame opens, and the internal pressure is released from the pressure relief window frame to the surrounding area. At the same time, a barrier net is provided on the pressure relief window frame, and the dust in the air can be blocked outside the container through the barrier net, preventing the outside dust from entering the lithium battery inside the box.

[0022] Furthermore, the rotating structure includes a rotating shaft, a pressure relief plate, an adsorbent, and an elastic member. There are two elastic members, and the two elastic members are respectively arranged at both ends of the rotating shaft and connected to the pressure relief window frame. One side of the pressure relief plate is rotatably connected to the pressure relief window frame through the rotating shaft. Adsorbents are respectively arranged on the pressure relief plate and the pressure relief window frame, and the pressure relief plate and the pressure relief window frame are attracted to each other through the adsorbents.

[0023] The beneficial effect of adopting the above further solution is that when the pressure inside the box body rises to the pressure set by the product, the pressure relief and exhaust device will open at the specified atmospheric pressure value. The pressure inside the box body pushes the pressure relief plate, causing the pressure relief plate to rotate around the rotating shaft, so that the side of the pressure relief plate away from the rotating shaft can move away from the pressure relief window frame and open, and the pressure inside the box body is released to the surrounding area through the opened window. When the pressure inside the box body is less than the pressure set by the product, the pressure inside the box body no longer releases outward, and the pressure relief window frame and the pressure relief plate automatically close the opened window through the adsorption of the adsorbents. The inside of the box body becomes a closed space again. Due to the elastic action of the elastic members between the pressure relief plate and the pressure relief window frame, the pressure relief plate and the pressure relief window frame can automatically close. And the adsorbents are used to seal the pressure relief plate and the pressure relief window frame. Such a setting can prevent the pressure relief and exhaust device from opening automatically due to vibration and impact during the transportation of the container.

[0024] Furthermore, adsorbents are separately provided on the pressure relief plate or the pressure relief window frame respectively. The pressure relief plate and the pressure relief window frame are made of metal materials, and both the pressure relief plate or the pressure relief window frame can be attracted to the adsorbents.

[0025] The beneficial effect of adopting the above further solution is that the pressure relief plate and the pressure relief window frame are made of metal materials. The adsorption component can be separately arranged on the pressure relief plate or on the pressure relief window frame. Through the adsorption effect between the adsorption component and the metal material, the pressure relief plate and the pressure relief window frame are adsorbed together, enabling the pressure relief plate and the pressure relief window frame to automatically close the opened window, and making the interior of the box become a sealed space again.

[0026] Furthermore, the monitoring device is arranged on the top of the box. The monitoring device includes a monitoring host, a sensing device, a junction box, and KBG pipes. The sensing device includes a smoke sensor and a temperature sensor. One smoke sensor and one temperature sensor are integrally arranged in the same sensing device. The junction box and the KBG pipes are both arranged in the middle layer on the top of the box. There are multiple junction boxes, and the KBG pipes penetrate through multiple junction boxes. Connecting wires are arranged in the KBG pipes. One sensing device is arranged in each junction box, and one end of the sensing device is arranged on the top inside the box, and the other end of the sensing device is electrically connected to the monitoring host through the connecting wire. The monitoring host is arranged on the side of the box.

[0027] The beneficial effect of adopting the above further solution is that by detecting the temperature, smoke concentration, opening and closing status and position of the pressure relief and exhaust device inside the box through the sensing device arranged on the top inside the box, early signs of abnormal states of lithium battery goods can be monitored in advance, an alarm can be given in advance, time can be gained for emergency rescue, the occurrence of greater accidents can be prevented, and the safety and reliability of lithium battery transportation can be improved. Description of the Drawings

[0028] Figure 1 Structural schematic diagram of a new type of container for lithium battery transportation according to the present utility model;

[0029] Figure 2 Structural schematic diagram of a new type of container for lithium battery transportation according to the present utility model from another angle;

[0030] Figure 3 Cross-sectional view of the top of the box of a new type of container for lithium battery transportation according to the present utility model;

[0031] Figure 4 Cross-sectional view of the side of the box of a new type of container for lithium battery transportation according to the present utility model;

[0032] Figure 5 Cross-sectional view of the front end face of the box of a new type of container for lithium battery transportation according to the present utility model;

[0033] Figure 6 Enlarged schematic diagram of part A of a new type of container for lithium battery transportation according to the present utility model;

[0034] Figure 7Bottom sectional view of the box body of a new container for lithium battery transportation according to the present utility model;

[0035] Figure 8 Enlarged schematic view of part D of a new container for lithium battery transportation according to the present utility model;

[0036] Figure 9 Enlarged schematic view of part C of a new container for lithium battery transportation according to the present utility model;

[0037] Figure 10 Enlarged schematic view of part B of a new container for lithium battery transportation according to the present utility model.

[0038] In the attached drawings, the list of components represented by each reference numeral is as follows: 2 - box body; 21 - outer layer; 22 - inner layer; 23 - middle layer; 24 - box door; 25 - bottom plate groove; 251 - fastening device; 3 - pressure relief and exhaust device; 31 - pressure relief window frame; 32 - rotating structure; 321 - rotating shaft; 322 - pressure relief plate; 323 - adsorption member; 324 - elastic member; 33 - barrier net; 4 - flame retardant and heat insulation member; 5 - protection device; 51 - first corrugated plate; 52 - second corrugated plate; 6 - monitoring device; 61 - monitoring host; 63 - wire box; 64 - KBG pipe. Specific embodiments

[0039] The principles and features of the present utility model will be described below in conjunction with the attached drawings. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model.

[0040] Embodiment 1

[0041] As Figures 1-10 shown, the box body 2 has an outer layer 21, an inner layer 22 and a middle layer 23. The external length, width and height dimensions of the box body 2 are 12192*2438*2896 mm, and the internal length, width and height dimensions are 11930*2290*2632 mm. The flame retardant and heat insulation member 4 is arranged in the middle layer 23, the protection device 5 is arranged outside the outer layer 21, and the pressure relief and exhaust device 3 is arranged at the front end of the box body 2.

[0042] Specifically, the box body 2 is set to three layers, and the flame-retardant and heat-insulating component 4 is arranged in the middle layer 23 to prevent the high temperature generated by the combustion in the box due to the thermal runaway of the lithium battery from overflowing outside the box. A pressure relief and exhaust device 3 is arranged at the front end of the box body 2. When the pressure in the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified atmospheric pressure value and release the internal pressure from the pressure relief and exhaust device 3 to the surrounding area. A protection device 5 is arranged outside the box body 2, which can reduce the damage to the box body 2 caused by collisions during transportation and reduce the damage to the lithium batteries inside the box body 2. In this embodiment, the outer layer 21 and the inner layer 22 of the box body 2 are made of weathering steel, which has high strength, good corrosion resistance and good weather resistance. In this embodiment, the specified pressure value is 1100 pa ± 50 pa.

[0043] The external length, width and height dimensions of the box body 2 are set to 12192*2438*2896 mm, and the internal length, width and height dimensions of the box body 2 are set to 11930*2290*2632 mm, so that the thickness of the two sides of the box body becomes thinner. A protection device 5 is added outside the box body 2, so that the external dimensions of the lithium battery container are the same as those of the standard container, and it is applicable to railways, highways and sea transportation. The internal dimensions of the box body 2 are smaller than those of the standard container, so that the internal space of the box body 2 is enlarged, and the inside of the container box body 2 is suitable for loading more and wider-sized lithium battery goods. By using standard lithium battery pallets, two pallets can be loaded side by side into the box, which improves the loading capacity of the container and the utilization rate of the internal space of the box. On the other hand, it makes the air circulation in the box body 2 smoother and reduces the pressure generated in the box body 2.

[0044] As Figures 1-10 shown, the rear end of the box body 2 is set as a box door 24, and the box door 24 is set as a double-opening type.

[0045] Specifically, a double-opening box door 24 is arranged at the rear of the box body 2, which is convenient for pushing the lithium battery into the box body 2.

[0046] As Figures 1-10 shown, the bottom of the box body 2 is made of a steel bottom plate, and a plurality of bottom plate grooves 25 are symmetrically opened on both sides in the length direction of the steel bottom plate in the box body 2, and a bolting device 251 is arranged in the bottom plate grooves 25.

[0047] Specifically, a plurality of bottom plate grooves 25 are opened on the steel bottom plate in the box body 2, and a bolting device 251 is arranged in the bottom plate grooves 25. The lithium battery pack in the box body 2 is fixedly arranged on the bottom plate in the box body 2 through the bolting device 251.

[0048] As Figures 1-10 shown, the middle layer 23 is a steel buckle frame, and the thickness of the middle layer 23 on both sides of the box body 2 is 40 mm.

[0049] Specifically, the middle layer 23 of the box body 2 uses a steel buckle plate frame, making the overall box body 2 more solid. The thickness of the middle layer 23 on both sides of the box body 2 is 40 mm, reducing the thickness of both sides of the box body 2, so that the internal size of the box body 2 is larger than the internal size of the existing standard specification container. Making the internal size of the box body 2 larger than that of the standard container expands the internal space of the box body 2, making the inside of the container box body 2 suitable for shipping more and wider-sized lithium battery goods. Using a standard lithium battery pallet, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box. In this embodiment, on the basis of ensuring the solidity of the box body 2, the thickness of the steel buckle plate frame can also be less than 40 mm. Or on the basis of ensuring the external size of the box body 2, the thickness of the steel buckle plate frame can also be greater than 40 mm.

[0050] As Figures 1-10 shown, the flame retardant and heat insulation member 4 is a rock wool board. There are multiple rock wool boards, and multiple spliced rock wool boards are built-in in the steel buckle plate frame. The density of the rock wool board is 120 kg / m 3 .

[0051] Specifically, the rock wool board is artificial inorganic fiber processed by high-temperature melting, with the characteristics of light weight, small thermal conductivity, heat absorption, and non-combustibility. The force-bearing strength of multiple spliced rock wool boards built-in in the steel buckle plate frame is higher than that of a whole piece built-in in the steel buckle plate frame. In this embodiment, both sides of the box body 2 use rock wool boards with a thickness of 40 mm and a density of 120 kg / m 3 , increasing the internal width of the box body 2 to about 2290 mm.

[0052] As Figures 1-10 shown, the protection device 5 is a corrugated board. The corrugated board has a first corrugated board 51 and a second corrugated board 52. The depth of the first corrugated board 51 is 25 mm. The first corrugated board 51 is arranged on both sides of the box body 2. The second corrugated board 52 has a standard thickness and is arranged on the top, front end, and rear end of the box body 2.

[0053] Specifically, the first corrugated board 51 is arranged on both sides of the box body 2. The depth of the first corrugated board 51 is less than the depth of the corrugated board on the standard container, expanding the internal space of the box body 2. The second corrugated board 52 is arranged on the top, front end, and rear end of the box body 2, making the top, front end, and rear end of the box body 2 the same size as those of the standard container. In this embodiment, the depth of the first corrugated board 51 is 25 mm. Alternatively, on the premise of ensuring the side strength of the box body 2, the depth of the first corrugated board 51 can also be less than 25 mm, or the depth of the first corrugated board 51 can be any value between 25 mm and 36 mm.

[0054] As Figures 1-10As shown in the figure, the pressure relief and exhaust device 3 includes a pressure relief window frame 31, a rotating structure 32, and a barrier net 33. A pressure relief opening is provided at the front end of the box body 2. The pressure relief and exhaust device 3 is arranged at the pressure relief opening. The barrier net 33 is arranged on one side of the pressure relief window frame 31, and the rotating structure 32 is arranged on the other side of the pressure relief window frame 31. The side of the pressure relief window frame 31 with the barrier net 33 is arranged inside the box body 2, and the side with the rotating structure 32 is arranged outside the box body 2.

[0055] Specifically, the pressure relief and exhaust device 3 is arranged at the front end of the box body 2. When the pressure inside the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified atmospheric pressure value. The pressure inside the box body 2 pushes the rotating structure 32, causing the rotating structure 32 to rotate along one side of the pressure relief window frame 31, so that one side of the pressure relief window frame 31 opens, and the internal pressure is released from the pressure relief window frame 31 to the surrounding area. At the same time, a barrier net 33 is arranged on the pressure relief window frame 31. Through the barrier net 33, dust in the air can be blocked outside the container, preventing dust from entering the lithium battery inside the box. In this embodiment, the thickness of the barrier net 33 is ≥1 mm, and the aperture is ≤3 mm.

[0056] As Figures 1-10 shown in the figure, the rotating structure 32 includes a rotating shaft 321, a pressure relief plate 322, an adsorbing member 323, and an elastic member 324. There are two elastic members 324, and the two elastic members 324 are respectively arranged at both ends of the rotating shaft 321 and connected to the pressure relief window frame 31. One side of the pressure relief plate 322 is rotatably connected to the pressure relief window frame 31 through the rotating shaft 321. Adsorbing members 323 are respectively arranged on the pressure relief plate 322 and the pressure relief window frame 31, and the pressure relief plate 322 and the pressure relief window frame 31 are attracted to each other through the adsorbing members 323.

[0057] Specifically, when the pressure inside the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified atmospheric pressure value. The pressure inside the box body 2 pushes the pressure relief plate 322, causing the pressure relief plate 322 to rotate around the rotation axis 321, so that the side of the pressure relief plate 322 away from the rotation axis 321 can move away from the pressure relief window frame 31 and open, enabling the pressure inside the box body 2 to be released to the outside of the box body 2 through the opened window. When the pressure inside the box body 2 is less than the pressure set by the product, the pressure inside the box body 2 no longer releases outward, and the pressure relief window frame 31 and the pressure relief plate 322 automatically close the opened window through the adsorption of the adsorption member 323, making the inside of the box body 2 become a closed space again. Due to the elastic action of the elastic member 324 between the pressure relief plate 322 and the pressure relief window frame 31, the pressure relief plate 322 and the pressure relief window frame 31 can automatically close, and the adsorption member 323 seals the pressure relief plate 322 and the pressure relief window frame 31. This setting can prevent the pressure relief and exhaust device 3 from opening automatically due to vibration and impact during container transportation. In this embodiment, the adsorption member 323 uses magnets, and two mutually attracting magnets are respectively installed at the lower ends of the pressure relief plate 322 and the pressure relief window frame 31, so that the adsorption member 323 on the pressure relief plate 322 can attract the adsorption member 323 on the pressure relief window frame 31. Alternatively, the adsorption member 323 can also be replaced by other members with adsorption functions.

[0058] As Figures 1-10 shown, the monitoring device 6 is arranged on the top of the box body 2. The monitoring device 6 includes a monitoring host 61, a sensing device, a junction box 63, and a KBG pipe 64. The sensing device includes a smoke sensor and a temperature sensor. A smoke sensor and a temperature sensor are integrally arranged in the same sensing device. The junction box 63 and the KBG pipe 64 are both arranged in the middle layer 23 at the top of the box body 2. There are multiple junction boxes 63, and the KBG pipe 64 penetrates through multiple junction boxes 63. Connecting wires are arranged in the KBG pipe 64. A sensing device is arranged in each junction box 63, and one end of the sensing device is arranged at the top inside the box body 2, and the other end of the sensing device is electrically connected to the monitoring host 61 through the connecting wire. The monitoring host 61 is arranged on the side of the box body 2.

[0059] Specifically, the sensing device arranged at the top inside the box body 2 detects the temperature, smoke concentration, opening and closing status and position of the pressure relief and exhaust device 3 inside the box body 2. Through a specific monitoring and control method, early signs of abnormal states of lithium battery goods can be monitored and warned in advance, preventing greater accidents from occurring and improving the safety and reliability of lithium battery transportation. In this embodiment, the monitoring and control method of the monitoring device 6 adopts the method in another patent "A Monitoring Method for a Railway Transportation Container of Lithium Batteries" filed on the same day as this application and the monitoring system in another patent "A Safety Monitoring System for a Lithium Battery Container" filed on the same day as this application.

[0060] The beneficial effects of this embodiment are as follows: The box body 2 is provided with three layers, and the flame-retardant and heat-insulating member 4 is arranged in the middle layer 23. The flame-retardant and heat-insulating member 4 prevents the high temperature generated by the combustion due to the thermal runaway of the lithium battery in the box from overflowing outside the box. A pressure relief and exhaust device 3 is arranged at the front end of the box body 2. When the pressure in the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will be opened at the specified pressure value, and the internal pressure will be released from the pressure relief and exhaust device 3 to the outside of the box body 2. The protection device 5 is arranged outside the box body 2, which can reduce the damage to the box body 2 caused by collisions during transportation of the box body 2 and reduce the damage to the lithium battery in the box body 2.

[0061] The external length, width and height dimensions of the box body 2 are set to 12192*2438*2896 mm, and the internal length, width and height dimensions of the box body 2 are set to 11930*2290*2632 mm, making the thickness of the two sides of the box body 2 thinner. A protection device 5 is added outside the box body 2, making the external dimensions of the lithium battery container the same as those of the standard container, which is applicable to railways, highways and sea transportation. The internal dimensions of the box body 2 are smaller than those of the standard container, expanding the internal space of the box body 2, making the inside of the container box body 2 suitable for loading more and wider-sized lithium battery goods. By using standard lithium battery loading pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box. On the other hand, it makes the air circulation in the box body 2 smoother and reduces the pressure generation in the box body 2.

[0062] The middle layer 23 of the box body 2 is made of steel buckle plates, making the whole box body 2 more solid. The thickness of the middle layer 23 on both sides of the box body 2 is 40 mm, reducing the thickness of both sides of the box body 2 and making the internal dimensions of the box body 2 larger than those of the existing standard specification containers. Making the internal dimensions of the box body 2 larger than those of the standard container expands the internal space of the box body 2, making the inside of the container box body 2 suitable for loading more and wider-sized lithium battery goods. By using standard lithium battery loading pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box.

[0063] The first corrugated plate 51 is arranged on both sides of the box body 2, and the depth of the first corrugated plate 51 is less than the depth of the corrugated plate on the standard container, expanding the internal space of the box body 2. The second corrugated plate 52 is arranged on the top, front end and rear end of the box body 2, making the dimensions of the top, front end and rear end of the box body 2 the same as those of the top, front end and rear end of the standard container. Making the inside of the container box body 2 suitable for loading more and wider-sized lithium battery goods. By using standard lithium battery loading pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box.

[0064] A pressure relief and exhaust device 3 is provided at the front end of the box body 2. When the pressure inside the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified atmospheric pressure value, and the pressure inside the box body 2 is released from the pressure relief window frame 31 to the outside of the box body 2. Due to the elastic action of the elastic member 324, the pressure relief plate 322 and the pressure relief window frame 31 can close themselves. And the pressure relief plate 322 and the pressure relief window frame 31 are sealed by the adsorption member 323. Such a setting can prevent the pressure relief and exhaust device 3 from opening automatically due to vibration and impact during container transportation. At the same time, a barrier net 33 is provided on the pressure relief window frame 31. Through the barrier net 33, dust in the air can be blocked outside the container, preventing dust from entering the lithium battery inside the box.

[0065] The working process of this embodiment is as follows: When the pressure inside the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified atmospheric pressure value. The pressure inside the box body 2 pushes the pressure relief plate 322, causing the pressure relief plate 322 to rotate around the rotation axis 321, so that the side of the pressure relief plate 322 away from the rotation axis 321 can move away from the pressure relief window frame 31 and open, allowing the pressure inside the box body 2 to be released to the surrounding area through the opened window. When the pressure inside the box body 2 is less than the pressure set by the product, the pressure inside the box body 2 no longer releases outward. Due to the elastic action of the elastic member 324, the pressure relief plate 322 and the pressure relief window frame 31 can close themselves. And the pressure relief plate 322 and the pressure relief window frame 31 are sealed by the adsorption member 323. Such a setting can prevent the pressure relief and exhaust device 3 from opening automatically due to vibration and impact during container transportation.

[0066] Embodiment 2

[0067] The difference between this embodiment and Embodiment 1 is:

[0068] As Figures 1-10 shown, the adsorption member 323 is separately provided on the pressure relief plate 322 or the pressure relief window frame 31. The pressure relief plate 322 and the pressure relief window frame 31 are made of metal materials, and both the pressure relief plate 322 or the pressure relief window frame 31 can be attracted to the adsorption member 323.

[0069] Specifically, the pressure relief plate 322 and the pressure relief window frame 31 are made of metal materials. The adsorption member 323 can be separately provided on the pressure relief plate 322 or separately provided on the pressure relief window frame 31. Through the adsorption effect between the adsorption member 323 and the metal material, the pressure relief plate 322 and the pressure relief window frame 31 are adsorbed together, so that the pressure relief plate 322 and the pressure relief window frame 31 can automatically close and open the window, making the interior of the box body 2 become a closed space again. In this embodiment, the adsorption member 323 is a magnet. A single magnet is installed at the lower end of the pressure relief plate 322 or a single magnet is installed at the lower end of the pressure relief window frame 31. The materials of the pressure relief plate 322 and the pressure relief window frame 31 are selected as metal materials, so that the adsorption member 323 on the pressure relief plate 322 or the adsorption member 323 on the pressure relief window frame 31 can attract the pressure relief plate 322 or the pressure relief window frame 31. In this embodiment, the materials of the pressure relief plate 322 and the pressure relief window frame 31 are iron. Alternatively, the materials of the pressure relief plate 322 and the pressure relief window frame 31 can also be other materials that can interact with magnets, such as nickel and cobalt.

[0070] The beneficial effects of this embodiment are as follows: The box body 2 is set to three layers, and the flame retardant and heat insulation member 4 is arranged in the middle layer 23 to prevent the high temperature generated by the combustion in the box due to the thermal runaway of the lithium battery from spilling out of the box. A pressure relief and exhaust device 3 is arranged at the front end of the box body 2. When the pressure inside the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified pressure value and release the internal pressure from the pressure relief and exhaust device 3 to the outside of the box body 2. The protection device 5 is arranged outside the box body 2, which can reduce the damage to the box body 2 caused by collisions during the transportation of the box body 2 and reduce the damage to the lithium batteries inside the box body 2.

[0071] The external length, width and height dimensions of the box body 2 are set to 12192*2438*2896mm, and the internal length, width and height dimensions of the box body 2 are set to 11930*2290*2632mm, making the thickness of the two sides of the box body 2 thinner. A protection device 5 is added outside the box body 2, making the external dimensions of the lithium battery container consistent with the external dimensions of the standard container, which is applicable to railways, highways and sea transportation. The internal dimensions of the box body 2 are smaller than the internal dimensions of the standard container, expanding the internal space of the box body 2, making the interior of the container box body 2 suitable for loading more and wider-sized lithium battery goods. By using standard lithium battery pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box. On the other hand, it makes the air circulation in the box body 2 smoother and reduces the pressure generated inside the box body 2.

[0072] The middle layer 23 of the box body 2 is made of a steel buckle plate frame, making the overall box body 2 more robust. The thickness of the middle layer 23 on both sides of the box body 2 is 40 mm, reducing the thickness of both sides of the box body 2, so that the internal dimensions of the box body 2 are larger than those of the existing standard-sized containers. Making the internal dimensions of the box body 2 larger than those of the standard container expands the internal space of the box body 2, making the interior of the container box body 2 suitable for shipping more and wider-sized lithium battery goods. By using standard lithium battery loading pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box.

[0073] The first corrugated plate 51 is arranged on both sides of the box body 2. The depth of the first corrugated plate 51 is less than that of the corrugated plate on the standard container, expanding the internal space of the box body 2. The second corrugated plate 52 is arranged on the top, front end and rear end of the box body 2, making the dimensions of the top, front end and rear end of the box body 2 the same as those of the top, front end and rear end of the standard container. Making the interior of the container box body 2 suitable for shipping more and wider-sized lithium battery goods. By using standard lithium battery loading pallets, two pallets can be loaded side by side into the box, improving the loading capacity of the container and the utilization rate of the internal space of the box.

[0074] A pressure relief and exhaust device 3 is arranged at the front end of the box body 2. When the pressure inside the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified atmospheric pressure value, and the pressure inside the box body 2 is released from the pressure relief window frame 31 to the outside of the box body 2. Due to the elastic action of the elastic member 324 between the pressure relief plate 322 and the pressure relief window frame 31, the pressure relief plate 322 and the pressure relief window frame 31 can close automatically. And the pressure relief plate 322 and the pressure relief window frame 31 are sealed by the suction member 323. With such a setting, it can prevent the pressure relief and exhaust device 3 from opening automatically due to vibration and impact during container transportation. At the same time, a barrier net 33 is arranged on the pressure relief window frame 31. Through the barrier net 33, dust in the air can be blocked outside the container, preventing dust from the outside from entering the lithium battery inside the box.

[0075] The working process of this embodiment is as follows: When the pressure inside the box body 2 rises to the pressure set by the product, the pressure relief and exhaust device 3 will open at the specified atmospheric pressure value. The pressure inside the box body 2 pushes the pressure relief plate 322, causing the pressure relief plate 322 to rotate around the rotation axis 321, so that the side of the pressure relief plate 322 away from the rotation axis 321 can move away from the pressure relief window frame 31 to open, enabling the pressure inside the box body 2 to be released to the surrounding area through the opened window. When the pressure inside the box body 2 is less than the pressure set by the product, the pressure inside the box body 2 no longer releases outward. Through the elastic action of the elastic member 324, the pressure relief plate 322 and the pressure relief window frame 31 can close themselves. The adsorption member 323 on the pressure relief plate 322 or the adsorption member 323 of the pressure relief window frame 31 can attract the pressure relief plate 322 or the pressure relief window frame 31. The lower ends of the pressure relief plate 322 and the pressure relief window frame 31 close the already opened window by themselves.

[0076] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0077] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0078] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0079] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "below" and "beneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0080] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0081] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present utility model.

Claims

1. A new type of container for transporting lithium batteries, characterized in that: The invention comprises a box body (2), a pressure relief exhaust device (3), a flame retardant heat insulating component (4) and a protective device (5); the box body (2) comprises an outer layer (21), an inner layer (22) and an intermediate layer (23); the outer length, width and height dimensions of the box body (2) are 12192*2438*2896 mm, and the inner length, width and height dimensions are 11930*2290*2632 mm; the flame retardant heat insulating component (4) is arranged on the intermediate layer (23); the protective device (5) is arranged on the outside of the outer layer (21); and the pressure relief exhaust device (3) is arranged on the front end of the box body (2).

2. A new type of container for transporting lithium batteries according to claim 1, characterized in that: The rear end of the box body (2) is arranged as a box door (24), and the box door (24) is arranged to open in pairs.

3. A new type of container for transporting lithium batteries according to claim 1, characterized in that: The bottom of the box body (2) is made of a steel bottom plate, and a plurality of bottom plate grooves (25) are symmetrically provided on both sides of the steel bottom plate in the length direction in the box body (2), and bolting devices (251) are provided in the bottom plate grooves (25).

4. A new type of container for transporting lithium batteries according to claim 1, characterized in that: The middle layer (23) is a steel gusset frame, and the thickness of the middle layer (23) on the two sides of the box body (2) is 40 mm.

5. A new type of container for transporting lithium batteries according to claim 4, characterized in that: The flame retardant material of the flame retardant heat insulation component (4) is a rock wool board, which has multiple pieces. The multiple rock wool boards are spliced ​​and built into a steel gusset frame. The density of the rock wool board is 120kg / m 3 .

6. A new type of container for transporting lithium batteries according to claim 1, characterized in that: The protective device (5) is a corrugated plate, which comprises a first corrugated plate (51) and a second corrugated plate (52). The depth of the first corrugated plate (51) is 25 mm. The first corrugated plate (51) is arranged on both sides of the box body (2). The second corrugated plate (52) is of standard thickness and is arranged on the top, front end and rear end of the box body (2).

7. A new type of container for transporting lithium batteries according to claim 1, characterized in that: The pressure relief exhaust device (3) comprises a pressure relief window frame (31), a rotating structure (32) and a barrier net (33); a pressure relief port is provided at the front end of the box body (2); the pressure relief exhaust device (3) is arranged at the pressure relief port; the barrier net (33) is arranged on one side of the pressure relief window frame (31); the rotating structure (32) is arranged on the other side of the pressure relief window frame (31); the side of the pressure relief window frame (31) having the barrier net (33) is arranged inside the box body (2); and the side having the rotating structure (32) is arranged outside the box body (2).

8. A new type of container for transporting lithium batteries according to claim 7, characterized in that: The rotating structure (32) comprises a rotating shaft (321), a pressure relief plate (322), an adsorption member (323) and an elastic member (324); there are two elastic members (324), the two elastic members (324) are respectively arranged at two ends of the rotating shaft (321) and connected to the pressure relief window frame (31); one side of the pressure relief plate (322) is rotatably connected to the pressure relief window frame (31) via the rotating shaft (321); the adsorption member (323) is respectively arranged on the pressure relief plate (322) and the pressure relief window frame (31); the pressure relief plate (322) and the pressure relief window frame (31) are attracted to each other via the adsorption member (323).

9. A new type of container for transporting lithium batteries according to claim 8, characterized in that: The pressure relief plate (322) or the pressure relief window frame (31) is respectively and separately provided with the adsorption component (323); the pressure relief plate (322) and the pressure relief window frame (31) are made of metal materials; and the pressure relief plate (322) or the pressure relief window frame (31) can be attracted to the adsorption component (323).

10. A new type of container for transporting lithium batteries according to claim 1, characterized in that: The invention also comprises a monitoring device (6), wherein the monitoring device (6) is arranged at the top of the box (2), and the monitoring device (6) comprises a monitoring host (61), a sensor device, a wire box (63), and a KBG tube (64). The sensor device comprises a smoke sensor and a temperature sensor, wherein a smoke sensor and a temperature sensor are integrated and arranged in the same sensor device. The wire box (63) and the KBG tube (64) are both arranged in the middle layer (23) at the top of the box (2). There are a plurality of wire boxes (63), and the KBG tube (64) passes through the plurality of wire boxes (63). A connecting wire is arranged in the KBG tube (64), and each wire box (63) is provided with a sensor device, and one end of the sensor device is arranged at the top of the box (2), and the other end of the sensor device is electrically connected to the monitoring host (61) through the connecting wire. The monitoring host (61) is arranged on the side of the box (2).

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