Lithium battery high-temperature aging detection device

Abstract

The lithium battery high-temperature aging detection device comprises a box body, a high-temperature air supply pipe, a circulating pipeline and a uniform communicating pipe, one end of the high-temperature air supply pipe is fixedly communicated with the lower part of one side of the box body, one end of the circulating pipeline is fixedly communicated with the upper part of one side of the box body, and the other end of the circulating pipeline is fixedly communicated with the high-temperature air supply pipe; the circulating pipelines and the high-temperature air supply pipes are oppositely arranged, and the number of the circulating pipelines is multiple. Through cooperative use of a clamping plate, a second motor, a lead screw and a sliding rod, high-temperature aging detection can be carried out on multiple lithium batteries, time and labor are saved, and therefore the detection efficiency of the device is improved; through the design of a high-temperature air supply pipe, a circulating pipeline, a circulating branch machine, a uniform communicating pipe, a first motor, an air blowing device, a strip-shaped hole and a through hole, the circulating pipeline pumps high-temperature air at the bottom back to the top of the box body for cyclic utilization, so that the air temperature of the upper part and the air temperature of the lower part of the box body are kept consistent, and a lithium battery is uniformly heated; therefore, the heat utilization rate of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery detection and testing, in particular to a lithium battery high temperature aging detection device. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solutions. Due to the highly active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream.

[0003] The existing high-temperature aging box does not heat the items uniformly during high-temperature heating, which reduces the detection accuracy and greatly reduces the detection efficiency; and the high-temperature aging box cannot detect multiple lithium batteries at the same time, which is inefficient.

[0004] To this end, we propose a lithium battery high temperature aging detection device. Utility Model Content

[0005] The main purpose of the utility model is to provide a lithium battery high-temperature aging detection device, which can perform high-temperature aging detection on multiple lithium batteries through the coordinated use of a clamping plate, a second motor, a screw rod and a sliding rod, saving time and effort, thereby improving the detection efficiency of the device; through the design of a high-temperature air supply pipe, a circulation pipe, a circulation extension, a uniform connecting pipe, a first motor, a blowing device, strip holes and through holes, the circulation pipe draws the bottom high-temperature air back to the top of the box for recycling, so that the air temperature of the upper part of the box is consistent with the air temperature of the lower part, so that the lithium batteries are heated evenly, thereby improving the thermal utilization rate of the device, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A lithium battery high temperature aging detection device comprises a box, a high temperature air supply pipe, a circulation pipe and a uniform communication pipe, one end of the high temperature air supply pipe is fixedly communicated with a lower part of one side of the box, one end of the circulation pipe is fixedly communicated with an upper part of one side of the box, and the other end of the circulation pipe is fixedly communicated with the high temperature air supply pipe, the circulation pipe and the high temperature air supply pipe are arranged opposite to each other, and multiple groups are provided, two groups of one-way ventilation structures are provided inside the circulation pipe, and the uniform communication pipe is arranged at adjacent positions between the outer sides of the circulation pipes and is communicated with each other;

[0008] A plurality of support plates arranged equidistantly are fixedly mounted on the inner walls at both ends of the box body, two groups of grooves arranged opposite to each other are arranged inside the support plates, two groups of clamping plates arranged opposite to each other are arranged inside the grooves, and sliding grooves for installing screw rods and sliding rods are opened on both sides of the support plates, and a plurality of second motors arranged equidistantly are fixedly connected to the outer wall of one end of the box body located on the support plate, an output shaft at one end of the second motor is fixedly connected to one end of the screw rod, and the other end of the screw rod passes through the box body and is rotatably connected to the inner wall of one end of the support plate.

[0009] Furthermore, the other end of the high-temperature air supply pipe is fixedly connected to an air intake main pipe, one end of the air intake main pipe is fixedly installed with a heating device, and a circulating fan is fixedly arranged inside the circulation duct, and the circulating fan is located above the uniform connecting pipe.

[0010] Furthermore, the bottom end of the support plate is provided with a plurality of through holes which are arranged at equal distances, and the clamping plate is provided with a plurality of strip holes which are arranged at equal distances.

[0011] Furthermore, the screw rod is provided with four sections of reverse threads, and the screw rod is movably connected to an extension portion of one end of the clamping plate through the reverse threads, and the extension portion of the other end of the clamping plate is movably connected to the sliding rod.

[0012] Furthermore, four groups of first motors arranged at equal distances are fixedly mounted on the top of the box body, and the output shafts at the bottom ends of the first motors pass through the top inner wall of the box body and are fixedly connected to the blowing device.

[0013] Furthermore, the box body is rotatably connected to one side away from the high-temperature air supply pipe with two sets of oppositely arranged box doors, a visual window is provided in the middle of one side of the box door, and a handle is welded to the box door on the same side of the visual window.

[0014] Compared with the prior art, the utility model has the following beneficial effects: through the coordinated use of the clamping plate, the second motor, the screw rod and the sliding rod, multiple lithium batteries can be clamped and subjected to high-temperature aging detection, which saves time and effort, thereby improving the detection efficiency of the device; through the design of the high-temperature air supply pipe, the circulation pipe, the circulation extension, the uniform connecting pipe, the first motor, the blowing device, the strip holes and the through holes, the circulation pipe draws the high-temperature air at the bottom back to the top of the box for recycling, so that the air temperature at the top of the box is consistent with the air temperature at the bottom, so that the lithium battery is heated evenly, thereby improving the thermal utilization rate of the device; through the design of the visual window, the lithium battery is prevented from catching fire when the temperature is too high, and the situation inside the box can be intuitively observed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the back structure of a lithium battery high temperature aging detection device.

[0016] Figure 2 The utility model is a schematic diagram of the front structure of a lithium battery high temperature aging detection device.

[0017] Figure 3 The utility model is a schematic diagram of the internal structure of a lithium battery high temperature aging detection device.

[0018] Figure 4 The utility model is a schematic diagram of the support plate structure of a lithium battery high temperature aging detection device.

[0019] In the figure: 1. box body; 2. high-temperature air supply pipe; 3. air intake main pipe; 4. heating device; 5. circulation duct; 6. circulation fan; 7. uniform connecting pipe; 8. first motor; 9. blowing device; 10. support plate; 11. clamping plate; 12. slide groove; 13. second motor; 14. screw rod; 15. slide rod; 16. strip hole; 17. through hole; 18. box door; 19. visual window; 20. handle. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a lithium battery high temperature aging detection device comprises a box body 1, a high temperature air supply pipe 2, a circulation pipe 5 and a uniform connecting pipe 7, one end of the high temperature air supply pipe 2 is fixedly connected to a lower part of one side of the box body 1, one end of the circulation pipe 5 is fixedly connected to an upper part of one side of the box body 1, and the other end of the circulation pipe 5 is fixedly connected to the high temperature air supply pipe 2, the circulation pipe 5 and the high temperature air supply pipe 2 are arranged opposite to each other, and multiple groups are provided, two groups of one-way ventilation structures are provided inside the circulation pipe 5, and the uniform connecting pipe 7 is provided at adjacent positions between the outer sides of the circulation pipe 5 and is connected to each other; A plurality of equidistantly arranged support plates 10 are fixedly mounted on the inner walls at both ends of the box body 1, two groups of oppositely arranged grooves are arranged inside the support plates 10, two groups of oppositely arranged clamping plates 11 are arranged inside the grooves, and slide grooves 12 for installing screw rods 14 and slide rods 15 are opened on both sides of the support plates 10. A plurality of equidistantly arranged second motors 13 are fixedly connected to the outer wall of one end of the box body 1 located on the support plate 10, an output shaft at one end of the second motor 13 is fixedly connected to one end of the screw rod 14, and the other end of the screw rod 14 passes through the box body 1 and is rotatably connected to the inner wall of one end of the support plate 10.

[0022] The other end of the high-temperature air supply pipe 2 is fixedly connected to the air intake main pipe 3, one end of the air intake main pipe 3 is fixedly installed with a heating device 4, and the circulation pipe 5 is fixedly provided with a circulation fan 6 inside, and the circulation fan 6 is located above the uniform connecting pipe 7; the bottom end of the support plate 10 is provided with a plurality of groups of through holes 17 arranged at equal distances, and the clamping plate 11 is provided with a plurality of groups of strip holes 16 arranged at equal distances; the screw rod 14 is provided with four sections of reverse threads, and the screw rod 14 is movably connected to the clamping plate 1 through the reverse threads 1, and the other end extension of the clamping plate 11 is movably connected to the sliding rod 15; four groups of first motors 8 arranged at equal distances are fixedly installed on the top of the box body 1, and the output shaft at the bottom end of the first motor 8 passes through the top inner wall of the box body 1 and is fixedly connected to the blowing device 9; the box body 1 is rotatably connected to two groups of oppositely arranged box doors 18 on one side away from the high-temperature air supply pipe 2, and a visual window 19 is provided in the middle of one side of the box door 18, and a handle 20 is welded to the box door 18 on the same side as the visual window 19.

[0023] It should be noted that the utility model is a lithium battery high temperature aging detection device. When in use, first grasp the handle 2 to open the box door 18, put the lithium battery to be tested into the support plate 10, and drive the screw rod 14 to rotate through the output shaft at one end of the second motor 13. Since the screw rod 14 is threadedly connected with the clamping plate 11, the clamping plate 11 is driven to converge toward the middle or disperse toward both ends along the screw rod 14 and the slide bar 15, so that the lithium battery is clamped by the clamping plate 11. Multiple lithium batteries can be placed on the support plate 10. After closing the box door, The visual window 19 is used to observe the internal situation of the box body 1; the heating device 4 generates hot air, so that the gas in the air intake manifold 3 passes through the high-temperature air supply pipe 2, is ejected from the lower part of the inside of the box body 1, and runs upward in the inside of the box body 1. At the same time, the circulating fan 6 allows a part of the gas in the high-temperature air supply pipe 2 to pass through the circulating pipe 5 and the uniform connecting pipe 7 and be ejected from the upper part of the inside of the box body 1. The first motor 8 drives the blowing device 9 to blow air, so that the gas runs downward in the inside of the box body 1. The gas can pass through the bar holes and the through holes, so that the lithium battery is heated evenly.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A lithium battery high temperature aging detection device, comprising a housing (1), a high temperature air supply pipe (2), a circulation pipe (5) and a uniform connecting pipe (7), characterized in that: One end of the high-temperature air supply pipe (2) is fixedly connected to a lower part of one side of the box body (1), one end of the circulation pipe (5) is fixedly connected to an upper part of one side of the box body (1), and the other end of the circulation pipe (5) is fixedly connected to the high-temperature air supply pipe (2). The circulation pipe (5) and the high-temperature air supply pipe (2) are arranged opposite to each other and are provided in multiple groups. Two groups of one-way ventilation structures are provided inside the circulation pipe (5). The uniform connecting pipe (7) is arranged at adjacent positions between the outer sides of the circulation pipe (5) and are connected to each other. A plurality of support plates (10) arranged equidistantly are fixedly mounted on the inner walls at both ends of the box body (1), two groups of grooves arranged opposite to each other are arranged inside the support plate (10), two groups of clamping plates (11) arranged opposite to each other are arranged inside the groove, and slide grooves (12) for mounting a screw rod (14) and a slide rod (15) are provided on both sides of the support plate (10), a plurality of second motors (13) arranged equidistantly are fixedly connected to the outer wall of one end of the box body (1) located on the support plate (10), an output shaft at one end of the second motor (13) is fixedly connected to one end of the screw rod (14), and the other end of the screw rod (14) passes through the box body (1) and is rotatably connected to the inner wall at one end of the support plate (10).

2. A lithium battery high temperature aging detection device according to claim 1, characterized in that: The other end of the high-temperature air supply pipe (2) is fixedly connected to an air intake main pipe (3), one end of the air intake main pipe (3) is fixedly installed with a heating device (4), and a circulating fan (6) is fixedly arranged inside the circulation pipe (5), and the circulating fan (6) is located above the uniform connecting pipe (7).

3. A lithium battery high temperature aging detection device according to claim 1, characterized in that: The bottom end of the support plate (10) is provided with a plurality of through holes (17) arranged at equal distances, and the clamping plate (11) is provided with a plurality of strip holes (16) arranged at equal distances.

4. A lithium battery high temperature aging detection device according to claim 1, characterized in that: The screw rod (14) is provided with four sections of reverse threads, and the screw rod (14) is movably connected to an extension portion of one end of the clamping plate (11) through the reverse threads, and the extension portion of the other end of the clamping plate (11) is movably connected to the sliding rod (15).

5. A lithium battery high temperature aging detection device according to claim 1, characterized in that: Four groups of first motors (8) are fixedly mounted at the top of the box (1) and are arranged at equal distances from each other. The output shafts at the bottom ends of the first motors (8) pass through the inner wall of the top end of the box (1) and are fixedly connected to the blowing device (9).

6. A lithium battery high temperature aging detection device according to claim 1, characterized in that: Two sets of oppositely arranged box doors (18) are rotatably connected to a side of the box body (1) away from the high-temperature air supply pipe (2), a visual window (19) is provided in the middle of one side of the box door (18), and a handle (20) is welded to the box door (18) on the same side as the visual window (19).

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