Helium detection tray and helium detection device

Abstract

The utility model provides a helium detection tray and a helium detection device, and relates to the technical field of cell helium detection. The helium detection tray comprises a base plate, a shell and a sealing piece. The shell is fixed on the chassis, a plurality of accommodating cavities with openings are formed in the shell, and the accommodating cavities are configured to accommodate battery cells of which the heights are not greater than the depths of the accommodating cavities; and the sealing element is correspondingly arranged at the top of the peripheral wall of each accommodating cavity in a surrounding manner so as to seal the accommodating cavity when the upper cavity cover is detected to seal the opening. The top of each accommodating cavity is provided with a sealing element, and each accommodating cavity can form an independent cavity for sealing detection, so that the detection efficiency is ensured, and the specific battery cell with the sealing problem can be effectively discriminated, and therefore, the battery cell with the problem can be independently rechecked, and the rechecking efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery core helium detection, and particularly relates to a helium detection tray and a helium detection device. BACKGROUND

[0002] Helium detection is mainly used for leakage detection after laser welding of a battery top cover. Due to the long helium detection time, considering the high production capacity demand, multiple battery cores are usually placed on a helium detection tray for simultaneous detection. If a problem occurs in one of the battery cores, all the battery cores on the helium detection tray need to be re-detected, causing problems such as re-detection difficulty and repeated detection. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides a helium detection tray and a helium detection device to improve the technical problem that all the battery cores on the existing helium detection tray need to be re-detected when a problem occurs in the battery cores.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a helium detection tray in a first aspect, which comprises a base plate, a shell and a sealing element. The shell is fixed to the base plate, and a plurality of accommodating cavities with openings are arranged in the shell. The accommodating cavities are configured to accommodate battery cores with a height not greater than their depth. The sealing element is arranged around the top of the peripheral wall of each accommodating cavity to seal the accommodating cavities when the upper cavity cover seals the openings.

[0005] In an embodiment of the utility model, a positioning block is detachably fixed in the accommodating cavity, and / or the sidewall of the base plate is provided with an elastic anti-collision part.

[0006] The utility model provides a helium detection device in a second aspect, which comprises a detection mechanism and the helium detection tray according to any one of the above-mentioned embodiments. The detection mechanism comprises an upper cavity and a lifting mechanism. The upper cavity is provided with a gas inlet and outlet corresponding to each accommodating cavity. The upper cavity cooperates with the sealing element to close the openings of the accommodating cavities. The lifting mechanism drives the helium detection tray to move up and down so that the helium detection tray cooperates with or separates from the upper cavity.

[0007] In an embodiment of the utility model, the detection mechanism comprises a roller group, and the roller group comprises a plurality of synchronously rotating rollers. The lifting mechanism passes through the gap between the rollers to drive the helium detection tray on the roller group to move up and down.

[0008] In an embodiment of the utility model, the helium detection device includes multiple detection mechanisms arranged side by side, a feeding conveying mechanism and a discharging docking mechanism. The feeding conveying mechanism is arranged on one side of the detection mechanism, and the feeding conveying mechanism includes a feeding conveying part and a feeding transverse moving mechanism. The feeding conveying part drives the helium detection tray to move to a first preset position that is docked with the detection mechanism. The feeding transverse moving mechanism drives the helium detection tray at the first preset position to move from the feeding conveying belt to the detection mechanism. The discharging docking mechanism is arranged on the side of the detection mechanism that is away from the feeding conveying mechanism. The discharging docking mechanism includes a discharging conveying part and a discharging transverse moving mechanism. The discharging transverse moving mechanism drives the helium detection tray to move from the detection mechanism to the discharging conveying part. The discharging conveying part drives the helium detection tray to move to a second preset position that is docked with the discharging position of the battery cell.

[0009] In an embodiment of the utility model, the feeding transverse moving mechanism includes a feeding jacking part and a feeding transverse moving part. The feeding jacking part drives the feeding transverse moving part to move up and down. The feeding transverse moving part drives the helium detection tray to move horizontally.

[0010] In an embodiment of the utility model, the feeding jacking part includes a feeding support, a jacking cylinder arranged on the feeding support to drive the feeding transverse moving part to move up and down, and a jacking guide rod that is arranged through the feeding support and moves up and down with the feeding transverse moving part. A feeding limiting part is arranged on the feeding support to limit the horizontal movement of the feeding transverse moving part when the feeding transverse moving part is not jacked by the jacking cylinder.

[0011] In an embodiment of the utility model, the helium detection device includes a tray circulation mechanism that circulates the helium detection tray at the second preset position to the feeding position of the battery cell. The second preset position is located at the input end of the tray circulation mechanism. A defective battery cell is temporarily stored in a defective storage line. The discharging conveying mechanism moves the battery cell on the helium detection tray at the second preset position to the battery cell conveying line or the defective storage line.

[0012] In an embodiment of the utility model, the input end of the tray circulation mechanism is close to the output end of the discharging docking mechanism. The battery cell conveying line is arranged on the side of the tray circulation mechanism that is away from the detection mechanism. The input end of the defective storage line is close to the input end of the battery cell conveying line, and the input direction of the defective storage line is opposite to the input direction of the battery cell conveying line.

[0013] In an embodiment of the utility model, when the battery cell is detected to be defective, the detection mechanism retests the battery cell in situ.

[0014] In combination with the prior art, the utility model has the following beneficial effects:

[0015] The existing multiple battery cells are placed on a helium detection tray for simultaneous detection, if one of the battery cells has a problem, it needs to be re-detected, and it cannot be re-detected in situ, causing re-detection difficulty. The helium detection tray of the present application is provided with a plurality of accommodating cavities, and a sealing element is arranged at the top of each accommodating cavity. When the detection upper cavity cover of the helium detection mechanism covers the opening of the accommodating cavity, each accommodating cavity forms a separate chamber for sealed detection, which not only ensures the detection efficiency, but also effectively identifies which battery cell has a sealing problem, so that the battery cell with a problem can be individually re-detected, improving the re-detection efficiency.

[0016] By placing the battery cells in the helium detection tray, the helium detection tray can be moved to the detection position during helium detection, without the need for individually clamping the battery cells, thereby reducing the risk of appearance damage of the battery cells caused by excessive clamping times. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other embodiments according to these drawings without creative labor.

[0018] Figure 1 It is a perspective view of an embodiment of the helium detection tray of the present application;

[0019] Figure 2 It is an exploded view of an embodiment of the helium detection tray of the present application;

[0020] Figure 3 It is a schematic view of the mechanism arrangement of an embodiment of the helium detection device of the present application;

[0021] Figure 4 It is a schematic view of part of the structure of the detection mechanism of an embodiment of the helium detection device of the present application;

[0022] Figure 5 It is a schematic view of the loading and conveying mechanism of an embodiment of the helium detection device of the present application;

[0023] Figure 6 It is a schematic view of the detection mechanism of an embodiment of the helium detection device of the present application;

[0024] Figure 7 It is a schematic view of the unloading and docking mechanism of an embodiment of the helium detection device of the present application;

[0025] Figure 8 It is a schematic view of the loading and conveying mechanism of an embodiment of the helium detection device of the present application;

[0026] Element number explanation:

[0027] 100, helium detection tray; 110, bottom tray; 120, shell; 121, containing cavity; 130, positioning block; 140, sealing element; 150, handle; 160, anti-collision part;

[0028] 200, detection mechanism; 210, upper cavity; 211, gas inlet and outlet; 220, lifting mechanism; 230, roller group; 240, helium injection mechanism;

[0029] 300, feeding conveying mechanism; 310, feeding conveying part; 320, feeding horizontal moving mechanism; 321, feeding jacking part; 3211, feeding support; 3212, jacking cylinder; 3213, jacking guide rod; 3214, feeding limiting part; 322, feeding horizontal moving part; 330, feeding turnover mechanism;

[0030] 400, discharging butt joint mechanism; 410, discharging conveying part; 420, discharging horizontal moving mechanism;

[0031] 500, discharging carrying mechanism;

[0032] 600, tray circulation mechanism;

[0033] 700, scrap removal buffer line;

[0034] 800, battery cell conveying line. DETAILED DESCRIPTION

[0035] The implementation modes of the present application are described below through specific specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the present application. The present application can also be implemented or applied through other different specific implementation modes, and each detail in the present application can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following examples and features in the examples can be combined with each other without conflict. It should also be understood that the terms used in the present application are used for describing specific specific implementation modes, but not for limiting the protection scope of the present application. The test methods in the following examples are not specified, and are usually performed according to conventional conditions or according to the conditions recommended by each manufacturer.

[0036] When the embodiments give a numerical range, it should be understood that, unless the utility model otherwise specifies, both ends of each numerical range and any one numerical between the two ends can be selected. Unless otherwise defined, all technical and scientific terms used in the utility model and the mastery of the prior art by the person skilled in the art and the description of the utility model can also use any method, equipment and material of the prior art similar or equivalent to the method, equipment and material in the embodiment of the utility model to realize the utility model.

[0037] It should be understood that the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model without substantial change of the technical content.

[0038] In order to improve the detection efficiency, the existing helium detection tray usually shares one detection chamber by multiple electric cores. Once one of the electric cores has a problem, multiple electric cores need to be repeatedly detected, which causes complex and time-consuming re-inspection.

[0039] Please refer to Figure 1 and Figure 2 Therefore, the utility model provides a helium detection tray 100 in the first aspect, a plurality of containing cavities 121 are arranged on the shell 120, a sealing element 140 is arranged on each containing cavity 121, so that each containing cavity 121 can form a complete sealed chamber, thereby detecting the electric core in the containing cavity 121 individually, which not only ensures the detection efficiency, but also effectively discriminates the faulty electric core, facilitates the re-inspection of the faulty electric core and saves the re-inspection time.

[0040] Please refer to Figure 1 and Figure 2The helium detection tray 100 comprises a bottom tray 110, a shell 120 and a sealing member 140. The bottom tray 110 is in direct contact with the logistics line on the logistics line, so that the helium detection tray 100 is circulated among different stations, preventing the appearance of the battery from being worn by the direct contact between the battery and the logistics line. The shell 120 is fixed on the bottom tray 110, and a plurality of accommodating cavities 121 with openings are arranged in the shell 120. The accommodating cavities 121 are configured to accommodate the battery with a height not greater than the depth of the accommodating cavities 121. By placing the battery in the accommodating cavities 121, on the one hand, the accommodating cavities 121 protect the battery, facilitate the circulation of the battery among the stations, and reduce the risk of collision of the battery during the circulation; on the other hand, the shell 120 directly serves as the lower cavity of the detection cavity. When the helium detection is performed, the helium detection tray 100 is moved to the detection station, and the battery does not need to be moved to the detection station separately, thereby reducing the number of times of moving the battery and reducing the risk of damage to the battery during the moving. The sealing member 140 is arranged around the top of the peripheral wall of each accommodating cavity 121, so as to seal the accommodating cavities 121 when the upper cavity cover of the detection station covers the openings. The sealing member 140 is arranged on the top of the peripheral wall of the accommodating cavity 121, so as to facilitate the cooperation between the accommodating cavities 121 and the upper cavity of the detection station to form a detection chamber. Because the depth of the accommodating cavities 121 is greater than the height of the battery, by arranging the sealing member 140 around the top of the peripheral wall of the accommodating cavities 121, the detection upper cavity of the detection station can use various upper cavity covers to cover the accommodating cavities 121, such as a flat plate-shaped upper cavity cover and a cap-shaped upper cavity cover, thereby improving the adaptability of the helium detection tray 100 and the detection station. If the flat plate-shaped upper cavity cover is used, different specifications of the accommodating cavities 121 can be covered, the replacement of the upper part of the detection station is reduced, and the use is facilitated. By cooperation between the helium detection tray 100 and the upper cavity cover, a complete detection chamber is formed, and the helium detection of the battery is performed.

[0041] In an embodiment, the bottom tray 110 is a standard logistics tray, which can save costs and facilitate the cooperation between the bottom tray 110 and the logistics line.

[0042] In an embodiment, the shape of the shell 120 is rectangular, so as to facilitate the arrangement of the rectangular accommodating cavities 121 and the placement of the battery. The shell 120 and the bottom tray 110 are fixed by screws and guide pins. In other embodiments, the shape of the shell 120 can be cylindrical or other shapes, so as to facilitate the arrangement of different accommodating cavities 121 and the use of different batteries. The shell 120 and the bottom tray 110 can also be fixed by other means, such as welding, gluing, one-piece forming and the like.

[0043] In an embodiment, the sealing member 140 is a sealing ring arranged around the top of the peripheral wall of the accommodating cavity 121. The sealing ring can be made of rubber, silica gel or the like, so as to meet the sealing requirements of the accommodating cavities 121.

[0044] In an embodiment, the helium detection tray 100 comprises a positioning block 130 which is detachably fixed in the accommodating cavity 121. The positioning block 130 limits the position of the battery cell, so as to prevent the battery cell from shaking relative to the helium detection tray 100 during the transfer of the helium detection tray 100 in the logistics line and between stations, and thus prevents the battery cell from being bumped. The positioning block 130 is customized and selected according to different battery cell specifications, so as to meet the use requirements of different battery cells, so that the helium detection tray 100 can meet the transfer requirements of different specifications of battery cells, reduce the specifications of the helium detection tray 100, facilitate use, and reduce costs.

[0045] Referring to Figure 1 and Figure 2 In an embodiment, the positioning block 130 is fixed in the shell 120 by screws, so as to facilitate the disassembly and assembly of the positioning block 130, and facilitate the replacement of different positioning blocks 130 according to different specifications of battery cells. In other embodiments, the positioning block 130 can be detachably fixed with the shell 120 by buckling, plug-in, or the like.

[0046] In an embodiment, the height of the positioning block 130 is less than the height of the battery cell, so as to reserve a clamping part on the battery cell, facilitate the clamping of the clamping mechanism on the battery cell, and facilitate the taking and placing of the battery cell.

[0047] Referring to Figure 1 and Figure 2 In an embodiment, the shell 120 is provided with a handle 150 on the side wall. The handle 150 facilitates manual carrying, so as to meet the application requirements in special situations. The handle 150 comprises, but is not limited to, a screw-fixed handle 150 on the side wall of the shell 120. The handle 150 comprises two handles 150 which are respectively arranged on the two side walls opposite to each other of the shell 120, so as to facilitate carrying.

[0048] Referring to Figure 1 and Figure 2 In an embodiment, the side wall of the bottom disc 110 is provided with an elastic anti-collision part 160. The anti-collision part 160 can reduce the risk of damage of the helium detection tray 100 caused by collision during transfer. The anti-collision part 160 can be fixed on the side wall of the bottom disc 110 by screws, or can be fixed on the side wall of the bottom disc 110 by other means such as adhesion. The anti-collision part 160 comprises, but is not limited to, rubber material and plastic material. Preferably, the anti-collision part 160 is a rubber material anti-collision part 160.

[0049] The helium detection tray 100 provided by the utility model is convenient for the circulation of the battery cell between various stations, protects the battery cell, reduces the number of times of moving and carrying the battery cell, and thus reduces the risk of wear and tear and bumping during the circulation of the battery cell; the helium detection tray 100 is provided with a plurality of accommodating cavities 121, the top of each accommodating cavity 121 is provided with a sealing piece 140, thus the independent sealing of the accommodating cavity 121 can be realized, thus the battery cell in the accommodating cavity 121 can be independently detected, the battery cell with problems can be conveniently identified and reexamined in situ; the height of the battery cell placed in the accommodating cavity 121 is lower than the depth of the accommodating cavity 121, thus the setting of the detection upper cavity on the detection station is convenient, the detection upper cavity can satisfy the sealing cover of the accommodating cavity 121 of different specifications, the compatibility of the detection station is improved, and the helium detection needs of the battery cell carried by the different helium detection trays 100 are satisfied.

[0050] In order to improve the efficiency of helium detection, in the current helium detection mode, a mechanical hand gripper is used to carry the battery cell from the logistics line to the detection cavity of the helium detection equipment, and due to the space layout, the battery cell needs to be moved between the loading position, the detection position and the unloading position, and the moving time increases the time sequence of helium detection. The helium detection mode has a large number of carrying times, and the appearance of the battery cell is easily damaged in the clamping process, and the back and forth switching of the helium detection cavity station increases the helium detection time, thereby reducing the production capacity.

[0051] Please refer to Figures 3 to 8 Therefore, the second aspect of the utility model provides a helium detection device, which comprises a detection mechanism 200 and the helium detection tray 100 in any one of the preceding aspects, and the helium detection tray 100 is directly moved to the detection mechanism 200, thereby reducing the carrying times of the battery cell and reducing the risk of appearance damage of the battery cell.

[0052] Please refer to Figure 4 and Figure 6 In an embodiment, the detection mechanism 200 comprises an upper cavity 210 and a lifting mechanism 220. The lifting mechanism 220 drives the helium detection tray 100 to move up and down, so that the helium detection tray 100 cooperates with or separates from the upper cavity 210. When detecting, the helium detection tray 100 is moved to the lifting mechanism 220, and then the lifting mechanism 220 drives the helium detection tray 100 to move up and down, so as to complete the detection of the battery cell in the helium detection tray 100. The upper cavity 210 is provided with a gas inlet and outlet 211 corresponding to each accommodating cavity 121. The upper cavity 210 cooperates with the sealing piece 140 to seal the opening of the accommodating cavity 121. A sealed detection chamber is formed by the cooperation of the upper cavity 210 and the helium detection tray 100. The gas in the detection chamber flows to the corresponding gas detection device through the gas inlet and outlet 211, so as to realize the detection of the battery cell in each accommodating cavity 121. The battery cell with problems can be timely reexamined in situ, and the reexamination efficiency is improved.

[0053] Please refer toFigure 6 In an embodiment, the helium injection mechanism 240 is arranged on the upper cavity 210 to inject helium into the detection chamber formed by the upper cavity 210 and the helium detection tray 100 through the gas inlet and outlet 211. In other embodiments, the helium injection mechanism 240 is not required to be arranged on the upper cavity 210, and helium is injected into the battery cell by other procedures.

[0054] Referring to Figure 6 In an embodiment, the lifting mechanism 220 includes a gas cylinder and a first lifting part, and the first lifting part is driven by the gas cylinder to move up and down to drive the helium detection tray 100 to move up and down. In other embodiments, the lifting mechanism 220 can also be other lifting structures, such as a motor and a ball screw cooperating to drive the helium detection tray 100 to move up and down.

[0055] Referring to Figure 6 In an embodiment, the detection mechanism 200 further includes a detection support and a roller set 230, the upper cavity 210 is fixed above the detection support, and the roller set 230 includes a plurality of rollers, the rollers are rotatably arranged on the detection support, and the roller set 230 facilitates the helium detection tray 100 to flow from the logistics line to the detection mechanism 200 and facilitates the helium detection tray 100 to flow from the detection support to the next process.

[0056] In an embodiment, the roller set 230 is driven to rotate by a motor, so that the helium detection mechanism moves on the roller set 230. Specifically, a motor is arranged on one roller, and the other rollers are driven to rotate by a synchronous belt to realize synchronous rotation of the roller set 230.

[0057] In an embodiment, the lifting mechanism 220 is fixed to the lower part of the detection support, and the first lifting part is arranged at the gap between the rollers, so that the first lifting part passes through the gap between the rollers from the bottom of the detection support upward, thereby driving the helium detection tray 100 on the roller set 230 to move up and down.

[0058] Referring to Figure 3 In an embodiment, the helium detection device includes a plurality of detection mechanisms 200 arranged side by side, a feeding conveying mechanism 300, and a discharging docking mechanism 400. The plurality of detection mechanisms 200 arranged side by side can simultaneously detect a plurality of battery cells in the helium detection trays 100, thereby improving the detection efficiency of the battery cells.

[0059] In an embodiment, the upper feeding conveying mechanism 300 and the lower discharging docking mechanism 400 are respectively arranged at two sides of the detection mechanism 200, when the detection of the battery cell on the detection mechanism 200 is completed, the upper feeding conveying mechanism 300 and the lower discharging docking mechanism 400 can be synchronized, that is, the helium detection tray 100 on which the detected battery cell is placed is moved to the lower discharging docking mechanism 400, at the same time, the helium detection tray 100 carrying the battery cell to be detected is moved to the detection mechanism 200 by the upper feeding conveying mechanism 300, the feeding and discharging of the detection mechanism 200 are synchronized, the time sequence of the helium detection is shortened, and the efficiency of the helium detection is improved.

[0060] Referring to Figure 5 The upper feeding conveying mechanism 300 includes an upper feeding conveying part 310 and an upper feeding transverse moving mechanism 320, the upper feeding conveying part 310 drives the helium detection tray 100 to move to a first preset position, the first preset position is a feeding position of the detection mechanism 200, when a plurality of detection mechanisms 200 are arranged, a plurality of first preset positions are correspondingly arranged. The upper feeding transverse moving mechanism 320 drives the helium detection tray 100 at the first preset position to move from the upper feeding conveying belt to the corresponding detection mechanism 200, so that the battery cell in the helium detection tray 100 is detected by the detection mechanism 200.

[0061] Referring to Figure 4 and Figure 5 In an embodiment, the upper feeding conveying part 310 includes an upper feeding conveying belt, the upper feeding conveying belt is driven to move by a driving mechanism, so as to transport the helium detection tray 100. In order to facilitate the upper feeding transverse moving mechanism 320 to move the helium detection tray 100 to the detection mechanism 200, the upper feeding conveying part 310 includes two upper feeding conveying belts which are synchronously driven, the upper feeding transverse moving mechanism 320 is arranged between the two upper feeding conveying belts, so that when the helium detection tray 100 moves to the first preset position, the upper feeding transverse moving mechanism 320 moves the helium detection tray 100 to the detection mechanism 200.

[0062] Referring to Figure 8 In an embodiment, the upper feeding transverse moving mechanism 320 includes an upper feeding jacking part 321 and an upper feeding transverse moving part 322, the upper feeding jacking part 321 drives the upper feeding transverse moving part 322 to move up and down, and the upper feeding transverse moving part 322 drives the helium detection tray 100 to move horizontally. Specifically, the upper feeding jacking part 321 drives the upper feeding transverse moving part 322 to move upward, and then the helium detection tray 100 is jacked away from the upper feeding conveying part 310, and then the helium detection tray 100 is moved to the detection mechanism 200 by the upper feeding transverse moving part 322; after the feeding is completed, the upper feeding transverse moving part 322 is reset, and then the upper feeding jacking part 321 drives the upper feeding transverse moving part 322 to move downward until the upper feeding jacking part 321 is reset.

[0063] Referring to Figure 8In an embodiment, the feeding lifting part 321 comprises a feeding support 3211, a lifting cylinder 3212, a lifting guide rod 3213 and a feeding limiting part 3214. The feeding support 3211 provides support and installation space for each mechanism of the feeding lifting part 321; the lifting cylinder 3212 is arranged on the feeding support 3211 to drive the feeding horizontal moving part 322 to move up and down. The lifting guide rod 3213 is arranged through the feeding support 3211, and the lifting guide rod 3213 moves up and down with the feeding horizontal moving part 322. On one hand, the lifting guide rod 3213 can guide the moving direction of the feeding horizontal moving part 322; on the other hand, when the feeding horizontal moving part 322 moves the helium detection tray 100 to the detection mechanism 200, the center of gravity of the feeding horizontal moving part 322 changes, and the feeding lifting part 321 is subjected to the shearing force generated by the gravity of the feeding horizontal moving part 322 and the helium detection tray 100. The lifting guide rod 3213 can disperse the shearing force on the lifting cylinder 3212, thereby prolonging the service life of the lifting cylinder 3212 and reducing the risk of damage to the lifting cylinder 3212. The feeding limiting part 3214 is arranged on the feeding support 3211, and the feeding limiting part 3214 limits the horizontal movement of the feeding horizontal moving part 322 when the feeding horizontal moving part 322 is not lifted by the lifting cylinder 3212, so as to prevent the feeding horizontal moving part 322 from moving horizontally during the movement of the feeding horizontal moving mechanism 320, thereby avoiding collision between the feeding horizontal moving part 322 and the feeding conveying part 310 and the like.

[0064] In an embodiment, the feeding horizontal moving part 322 comprises a feeding belt and a feeding bearing plate. The feeding belt drives the feeding bearing plate to move horizontally, so as to move the helium detection tray 100 on the feeding bearing plate to the drum group 230 of the detection mechanism 200. Since the bottom of the helium detection tray 100 exceeds the feeding bearing plate, when the helium detection tray 100 moves to the drum group 230, the drum group 230 rotates to drive the helium detection tray 100 to move and thereby separate from the feeding bearing plate, until the helium detection tray 100 moves to the detection position on the detection mechanism 200. When the feeding horizontal moving part 322 is not lifted by the lifting cylinder 3212, the feeding limiting part 3214 is located at the end of the feeding bearing plate, so as to limit the horizontal movement of the feeding bearing plate. In another embodiment, the feeding horizontal moving part 322 can comprise a feeding cylinder and a feeding bearing plate. The feeding cylinder drives the feeding bearing plate to move horizontally. In other embodiments, the feeding horizontal moving part 322 can also be other mechanisms for driving the feeding bearing plate to move horizontally.

[0065] Please refer to Figure 5In an embodiment, the feeding conveying mechanism 300 further comprises a feeding turnover mechanism 330, the feeding turnover mechanism 330 drives the feeding horizontal moving mechanism 320 to move, the feeding horizontal moving mechanism 320 moves among a plurality of first preset positions, and the helium detection tray 100 conveyed by the feeding conveying part 310 is cached in the plurality of first preset positions. When the detection mechanism 200 is idle, the feeding turnover mechanism 330 drives the feeding horizontal moving mechanism 320 to move to the corresponding first preset position, and the feeding horizontal moving mechanism 320 horizontally moves the helium detection tray 100 to the detection mechanism 200, so that appropriate feeding horizontal moving mechanisms 320 can be set according to the production line needs, the number of feeding horizontal moving mechanisms 320 is reduced, and the cost is reduced. Further, the feeding horizontal moving mechanism 320 is in a reset state and is located below the helium detection tray 100 on the feeding conveying part 310, so as to ensure that the feeding horizontal moving mechanism 320 does not interfere with the helium detection tray 100 carried on the feeding conveying part 310 when moving among the plurality of first preset positions. The feeding turnover mechanism 330 comprises a driving mechanism, a ball screw and a sliding block. The driving mechanism drives the ball screw to rotate, so that the sliding block moves horizontally, and then drives the feeding horizontal moving mechanism 320 to move horizontally. In another embodiment, the feeding turnover mechanism 330 can be other mechanisms that drive the horizontal movement of the feeding turnover mechanism 330, such as a belt, etc. In other embodiments, the feeding conveying mechanism 300 can not comprise the feeding turnover mechanism 330, and the feeding horizontal moving mechanism 320 is arranged at each first preset position, so as to realize the movement of the helium detection tray 100 from the first preset position to the detection mechanism 200.

[0066] Please refer to Figure 7 In an embodiment, the feeding conveying mechanism 300 further comprises a feeding turnover mechanism 330, the feeding turnover mechanism 330 drives the feeding horizontal moving mechanism 320 to move, the feeding horizontal moving mechanism 320 moves among a plurality of first preset positions, and the helium detection tray 100 conveyed by the feeding conveying part 310 is cached in the plurality of first preset positions. When the detection mechanism 200 is idle, the feeding turnover mechanism 330 drives the feeding horizontal moving mechanism 320 to move to the corresponding first preset position, and the feeding horizontal moving mechanism 320 horizontally moves the helium detection tray 100 to the detection mechanism 200, so that appropriate feeding horizontal moving mechanisms 320 can be set according to the production line needs, the number of feeding horizontal moving mechanisms 320 is reduced, and the cost is reduced. Further, the feeding horizontal moving mechanism 320 is in a reset state and is located below the helium detection tray 100 on the feeding conveying part 310, so as to ensure that the feeding horizontal moving mechanism 320 does not interfere with the helium detection tray 100 carried on the feeding conveying part 310 when moving among the plurality of first preset positions. The feeding turnover mechanism 330 comprises a driving mechanism, a ball screw and a sliding block. The driving mechanism drives the ball screw to rotate, so that the sliding block moves horizontally, and then drives the feeding horizontal moving mechanism 320 to move horizontally. In another embodiment, the feeding turnover mechanism 330 can be other mechanisms that drive the horizontal movement of the feeding turnover mechanism 330, such as a belt, etc. In other embodiments, the feeding conveying mechanism 300 can not comprise the feeding turnover mechanism 330, and the feeding horizontal moving mechanism 320 is arranged at each first preset position, so as to realize the movement of the helium detection tray 100 from the first preset position to the detection mechanism 200.

[0067] In an embodiment, the discharging conveying part 410 comprises a discharging conveying belt, which is driven to move by a driving mechanism, so as to transport the helium detection tray 100. In order to facilitate the discharging transverse moving mechanism 420 to move the helium detection tray 100 to the detection mechanism 200, the discharging conveying part 410 comprises two discharging conveying belts which move synchronously, and the discharging transverse moving mechanism 420 is arranged between the two discharging conveying belts, so as to facilitate the discharging transverse moving mechanism 420 to move the helium detection tray 100 on which the detection completed battery cell is placed from the detection mechanism 200 to the discharging conveying belt, so as to move the helium detection tray 100 to the second preset position by the discharging conveying belt.

[0068] In another embodiment, the discharging conveying part 410 comprises a discharging turnover mechanism, which directly drives the discharging transverse moving mechanism 420 to move, so as to move the discharging transverse moving mechanism 420 and the helium detection tray 100 from the detection mechanism 200 to the second preset position, or to move the discharging transverse moving mechanism 420 between different detection mechanisms 200, so as to reduce the number of the discharging transverse moving mechanism 420 and reduce the cost. The discharging turnover mechanism comprises a driving mechanism, a ball screw and a sliding block, the ball screw is driven to rotate by the driving mechanism, so as to move the sliding block horizontally, and then drive the discharging transverse moving mechanism 420 to move horizontally. In another embodiment, the discharging turnover mechanism can be other mechanism which drives the discharging turnover mechanism to move horizontally, such as a belt, etc.

[0069] In other embodiments, the discharging conveying mechanism can not comprise the discharging turnover mechanism, and the discharging transverse moving mechanism 420 is arranged at each detection mechanism 200, so as to move the helium detection tray 100 from the detection mechanism 200 to the discharging conveying part 410. The discharging conveying mechanism can also not comprise the discharging conveying belt, and the discharging turnover mechanism directly drives the discharging transverse moving mechanism 420 and the helium detection tray 100 to move to the second preset position.

[0070] In an embodiment, the discharging transverse moving mechanism 420 comprises a discharging lifting part and a discharging transverse moving part, the discharging lifting part drives the discharging transverse moving part to move up and down, and the discharging transverse moving part drives the helium detection tray 100 to move horizontally. Specifically, when the detection mechanism 200 needs to discharge, the discharging lifting part drives the discharging transverse moving part to rise to be flush or substantially flush with the detection mechanism 200, the discharging transverse moving part extends, the roller group 230 rotates to drive the helium detection tray 100 on the detection mechanism 200 to move to the discharging transverse moving part, and then the discharging transverse moving part resets, the discharging lifting part drives the discharging transverse moving part to descend to the position where the discharging lifting part resets.

[0071] In an embodiment, the discharging lifting part comprises a discharging support, a discharging lifting cylinder, a discharging lifting guide rod and a discharging limiting part. Specifically, the structure of the discharging lifting part can refer to the structure of the above-mentioned charging lifting part 321, which will not be described herein.

[0072] In an embodiment, the horizontal moving part of the discharging includes a discharging belt and a discharging carrier plate. The discharging belt drives the discharging carrier plate to move horizontally. When the discharging carrier plate moves to the roller group 230, the roller group 230 rotates to drive the helium detection tray 100 to move away from the roller group 230 to the discharging carrier plate, and then the discharging carrier plate drives the helium detection tray 100 to move back to the original position. Specifically, the structure of the horizontal moving part of the discharging can refer to the structure of the horizontal moving part of the feeding 322, which will not be repeated here.

[0073] Please refer to Figure 3 In an embodiment, the helium detection device includes a discharging carrying mechanism 500, a tray circulation mechanism 600, and a scrap storage line 700. The discharging carrying mechanism 500 moves the qualified battery cell on the helium detection tray 100 at the second preset position to the battery cell conveying line 800, and the battery cell conveying line 800 moves the battery cell to the next process. The discharging carrying mechanism 500 moves the unqualified battery cell on the helium detection tray 100 at the second preset position to the scrap storage line 700 for temporary storage or circulation to be disposed in the next step.

[0074] In an embodiment, the discharging carrying mechanism 500 is a mechanical arm, which moves the battery cell from the helium detection tray 100 to the battery cell conveying line 800 or the scrap storage line 700 by clamping the battery cell.

[0075] Please refer to Figure 3 In an embodiment, the tray circulation mechanism 600 circulates the helium detection tray 100 at the second preset position to the battery cell feeding position. The tray circulation mechanism 600 includes a tray conveying belt to move the helium detection tray 100 to the battery cell feeding position. After the battery cell is fed to the helium detection tray 100, the helium detection tray 100 containing the battery cell is moved to the feeding conveying mechanism 300.

[0076] Please refer to Figure 3 In an embodiment, the input end of the tray circulation mechanism 600 is close to the output end of the discharging docking mechanism 400, so as to facilitate the movement of the helium detection tray 100 on the discharging docking mechanism 400 to the tray circulation mechanism 600, facilitate the circulation of the helium detection tray 100, and improve the efficiency of the production line.

[0077] The battery cell conveying line 800 is arranged on the side of the tray circulation mechanism 600 away from the detection mechanism 200. When the discharging carrying mechanism 500 carries the battery cell, the helium detection tray 100 remains at the second preset position. The battery cell conveying line 800 is arranged on the side of the tray circulation mechanism 600 away from the detection mechanism 200, which facilitates the arrangement of the battery cell conveying line 800 and the discharging carrying mechanism 500, and makes the discharging carrying mechanism 500 have sufficient operation space.

[0078] Please refer to Figure 3In an embodiment, the input end of the rejection buffer line 700 is close to the input end of the cell conveying line 800, facilitating the movement of qualified and unqualified cells to the cell conveying line 800 and the rejection buffer line 700 by the discharging carrying mechanism 500, shortening the carrying distance of the discharging carrying mechanism 500 to the cells, facilitating the compact arrangement of the production line, and improving the space utilization of the production line. The input direction of the rejection buffer line 700 is opposite to the input direction of the cell conveying line 800, for example, the arrangement direction of the rejection buffer line 700 is the same as the arrangement direction of the discharging conveying part 410, and the working direction of the rejection buffer line 700 is opposite to the working direction of the discharging conveying part 410, thereby facilitating the temporary storage of unqualified cells by the rejection buffer line 700 using the space of the helium detection device. The cell conveying line 800 needs to move the helium detection qualified cells to the next process, and the input direction of the cell conveying line 800 is opposite to the input direction of the rejection buffer line 700, shortening the distance of the helium detection qualified cells moving out of the helium detection device, shortening the moving time, and improving the production line efficiency.

[0079] The helium detection device provided by the utility model reduces the carrying frequency of the cells by moving the cells by using the helium detection tray 100, thereby reducing the risk of appearance damage of the cells; the helium detection tray 100 serves as both a transfer mechanism and a lower cavity of the detection device, facilitating the helium detection of the cells; the helium detection tray 100 forms a plurality of independent detection chambers with the upper cavity 210, facilitating the in-situ re-measurement of unqualified cells, without the need of re-measuring and transferring the tray, improving the work efficiency, saving equipment space, and placing the re-measured unqualified cells to the rejection buffer line 700 for buffering; the helium detection device comprises the feeding conveying mechanism 300 and the discharging butt joint mechanism 400, and the feeding and discharging of the detection mechanism 200 can be performed synchronously, reducing the action timing and improving the helium detection efficiency. Therefore, the utility model effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

[0080] The above embodiments only exemplarily illustrate the principle and effect of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and category of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A helium leak test tray characterized by, The application relates to a helium detection tray, which comprises a base plate, a shell fixed to the base plate, a plurality of accommodating cavities with openings arranged in the shell, the accommodating cavities being configured to accommodate battery cells with a height not greater than a depth of the accommodating cavities, and a sealing element corresponding to a top of a peripheral wall of each of the accommodating cavities and arranged around the top to seal the accommodating cavities when a top cavity cover seals the openings. The application further relates to a helium detection device, which comprises a positioning block detachably fixed in the accommodating cavities, and / or a side wall of the base plate is provided with an elastic anti-collision part. The application further relates to a helium detection device, which comprises a detection mechanism and the helium detection tray according to any one of claims 1-2. The detection mechanism comprises a top cavity provided with a gas inlet and outlet corresponding to each of the accommodating cavities, and the top cavity cooperates with the sealing element to seal the openings of the accommodating cavities.

2. The helium leak test tray of claim 1, wherein, The detection mechanism comprises a lifting mechanism for driving the helium detection tray to move up and down so that the helium detection tray cooperates with or is separated from the top cavity.

3. A helium detection device, characterized by, The detection mechanism comprises a roller group comprising a plurality of synchronously rotating rollers, and the lifting mechanism passes through a gap between the rollers to drive the helium detection tray on the roller group to move up and down. The helium detection device comprises: A plurality of detection mechanisms arranged side by side.

4. The helium detection apparatus of claim 3, wherein An upper feeding conveying mechanism arranged on one side of the detection mechanisms, the upper feeding conveying mechanism comprising an upper feeding conveying part and an upper feeding transverse moving mechanism, the upper feeding conveying part drives the helium detection tray to move to a first preset position for abutting against the detection mechanisms, and the upper feeding transverse moving mechanism drives the helium detection tray at the first preset position to move from the upper feeding conveying part to the detection mechanisms.

5. The helium detection apparatus of claim 3, wherein A lower feeding abutting mechanism arranged on a side of the detection mechanisms away from the upper feeding conveying mechanism, the lower feeding abutting mechanism comprising a lower feeding conveying part and a lower feeding transverse moving mechanism, the lower feeding transverse moving mechanism drives the helium detection tray to move from the detection mechanisms to the lower feeding conveying part, and the lower feeding conveying part drives the helium detection tray to move to a second preset position for abutting against a battery cell feeding position. The upper feeding transverse moving mechanism comprises an upper feeding jacking part and an upper feeding transverse moving part, the upper feeding jacking part drives the upper feeding transverse moving part to move up and down, and the upper feeding transverse moving part drives the helium detection tray to move horizontally. The upper feeding jacking part comprises: An upper feeding support, 6. The helium detection apparatus of claim 5, wherein A jacking cylinder arranged on the upper feeding support to drive the upper feeding transverse moving part to move up and down, 7. The helium detection apparatus of claim 6, wherein A jacking guide rod arranged through the upper feeding support, the jacking guide rod moves up and down along with the upper feeding transverse moving part, And an upper feeding limiting part arranged on the upper feeding support, the upper feeding limiting part limits the upper feeding transverse moving part to move horizontally when the upper feeding transverse moving part is not jacked by the jacking cylinder. The helium detection device comprises: A tray flow transfer mechanism for transferring the helium detection tray at the second preset position to a battery cell feeding position, the second preset position being located at an input end of the tray flow transfer mechanism, A rejection buffer line for temporarily storing unqualified battery cells, 8. The helium detection apparatus of claim 5, wherein And a lower feeding carrying mechanism for moving the battery cells on the helium detection tray at the second preset position to a battery cell conveying line or the rejection buffer line. The input end of the tray flow transfer mechanism is close to an output end of the lower feeding abutting mechanism. The battery cell conveying line is arranged on a side of the tray flow transfer mechanism away from the detection mechanisms. ​ 9. The helium detection apparatus of claim 8, wherein ； ​ ​ The input end of the defective cache line is close to the input end of the battery cell conveying line, and the input direction of the defective cache line is opposite to the input direction of the battery cell conveying line.

10. The helium detection apparatus of claim 3, wherein When the battery cell is detected as unqualified, the detection mechanism retests the battery cell in situ.

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