Helium detection device

Abstract

The utility model discloses a helium detection device, and the device comprises a rack which is provided with a plurality of helium detection stations; the vacuumizing module comprises two vacuum collecting pipelines, a plurality of vacuumizing assemblies, a parallel pipeline assembly and two vacuum pumps, the two vacuum collecting pipelines are installed on the rack, the vacuumizing assemblies and the helium detection stations are arranged in a one-to-one correspondence mode, one part of the vacuumizing assemblies is connected with one of the two vacuum collecting pipelines in a communicating mode, and the other part of the vacuumizing assemblies is connected with the other vacuum collecting pipeline in a communicating mode. The other part of the plurality of vacuumizing assemblies is communicated and connected with the other one of the two vacuum collecting pipelines, and the parallel pipeline assembly is connected with the two vacuum collecting pipelines; the parallel pipeline assembly has a communicating state and a closing state, and in the communicating state, the two vacuum collecting pipelines are communicated; and in a closed state, the two vacuum collecting pipelines are not communicated with each other. Through the arrangement, the problem that in the vacuumizing process of the helium detection cavity, vacuumizing cannot be continued due to the fact that the air pump is damaged, and the helium detection efficiency is affected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of helium detection equipment, in particular to a helium detection device. Background Art

[0002] Before conducting helium inspection on the battery, the helium inspection chamber needs to be evacuated. In the existing related technology, two vacuum tubes are generally used to evacuate multiple helium inspection chambers simultaneously, and the two vacuum tubes are respectively connected to two air pumps. However, when the air pump corresponding to one of the vacuum tubes is damaged, the air pump is forced to stop production, resulting in the inability to continue to evacuate the helium inspection chamber, affecting the helium inspection efficiency of the battery. Utility Model Content

[0003] The utility model mainly provides a helium detection device to solve the problem that the helium detection efficiency is affected because the air pump is damaged and can not continue to vacuumize during the process of vacuumizing the helium detection cavity.

[0004] To achieve the above-mentioned purpose, the utility model provides a helium detection device, which includes a frame and a vacuum module;

[0005] The rack has a plurality of helium inspection stations;

[0006] The vacuum pumping module comprises two vacuum collecting pipes, a plurality of vacuum pumping components, a parallel pipe component and two vacuum pumps, the two vacuum pumps are connected to the two vacuum collecting pipes in a one-to-one manner, the two vacuum collecting pipes are both installed on the frame, the plurality of vacuum pumping components are arranged in a one-to-one manner with the plurality of helium inspection stations, a part of the plurality of vacuum pumping components is connected to one of the two vacuum collecting pipes, another part of the plurality of vacuum pumping components is connected to the other of the two vacuum collecting pipes, and the parallel pipe component is connected to the two vacuum collecting pipes;

[0007] The parallel pipe assembly has a connected state and a closed state. In the connected state, the two vacuum collecting pipes are connected; in the closed state, the two vacuum collecting pipes are not connected to each other.

[0008] In some embodiments of the utility model, the two vacuum collecting pipes each have a collecting pipe section and a parallel pipe section, a part of the multiple vacuum pumping components are connected to the collecting pipe section of one of the two vacuum collecting pipes, and another part of the multiple vacuum pumping components are connected to the collecting pipe section of the other of the two vacuum collecting pipes; the parallel pipe component is connected to the two parallel pipe sections.

[0009] In some embodiments of the present invention, the parallel pipeline assembly includes a parallel connecting pipe and a control valve, both ends of the parallel connecting pipe are connected to the two parallel pipe sections in a one-to-one correspondence, and the control valve is arranged on the parallel connecting pipe.

[0010] In some embodiments of the present invention, the vacuum pumping module further includes two vacuum breaking components, which are connected to the two parallel pipe sections in a one-to-one correspondence, and the vacuum breaking components are used to break the vacuum of the corresponding vacuum collecting pipes.

[0011] In some embodiments of the present invention, the vacuum breaking component is a vacuum breaking valve.

[0012] In some embodiments of the present invention, the vacuum pumping assembly includes a connecting pipe, a vacuum main pipe and a first solenoid valve, one end of the connecting pipe is connected to the corresponding vacuum collecting pipe, one end of the vacuum main pipe is connected to the mounting platform of the rack, and the other ends of the connecting pipe and the vacuum main pipe are both connected to the first solenoid valve.

[0013] In some embodiments of the present invention, the helium detection device also includes a helium detection module, which includes a helium detection collection pipe, multiple helium detection components and a helium detector, one end of the multiple helium detection components are connected to the multiple vacuum components one by one, and the other ends of the multiple helium detection components are connected to the helium detection collection pipe, and the helium detection collection pipe is connected to the helium detector pipeline.

[0014] In some embodiments of the present invention, the helium detection component includes a helium detection branch pipe and a second solenoid valve, one end of the helium detection branch pipe is connected to the helium detection collecting pipe, and the other end is connected to the vacuum assembly through the second solenoid valve.

[0015] In some embodiments of the present invention, the frame includes a plurality of support bodies and a mounting platform, the plurality of support bodies are linearly distributed, the plurality of support bodies are all used for the mounting platform, and the plurality of vacuum extraction components are all mounted on the mounting platform.

[0016] In some embodiments of the present invention, the frame further includes a plurality of fixing bodies, which are all mounted on the mounting platform and spaced apart along the length direction of the mounting platform, and are used to fix the two vacuum collecting pipes.

[0017] The beneficial effect of the utility model is that, different from the prior art, in the helium detection device disclosed by the utility model, when any of the two vacuum pumps fails or is damaged, the two vacuum collecting pipes are connected in parallel to the other vacuum pump through a parallel pipe assembly, so that when one vacuum pump cannot work normally, all the helium detection chambers can continue to be evacuated. Such an arrangement can effectively avoid the shutdown of the helium detection device, thereby improving the efficiency of the helium detection battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 This is a structural schematic diagram of an embodiment of the helium detection device of the utility model;

[0020] Figure 2 It is a side view structural diagram of an embodiment of the helium detection device of the utility model;

[0021] Figure 3 It is a front view structural schematic diagram of an embodiment of the helium detection device of the utility model;

[0022] Figure 4 It is a schematic diagram of the top view of the helium detection device according to one embodiment of the utility model.

[0023] Description of Figure Numbers:

[0024] 1. Frame; 11. Support body; 12. Installation platform; 13. Fixed body; 14. Helium inspection station; 2. Vacuum pumping module; 21. Vacuum collecting pipe; 211. Collecting pipe section; 212. Parallel pipe section; 22. Vacuum pumping assembly; 221. Connecting pipe; 222. Vacuum main pipe; 223. First solenoid valve; 23. Parallel pipe assembly; 231. Parallel connecting pipe; 232. Control valve; 24. Vacuum breaking part; 3. Helium inspection module; 31. Helium inspection collecting pipe; 32. Helium inspection assembly; 321. Helium inspection branch pipe; 322. Second solenoid valve; 33. Helium detector.

[0025] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0029] The utility model proposes a helium detection device, referring to Figure 1 The helium inspection device includes a frame 1 and a vacuum module 2. The frame 1 has a plurality of helium inspection stations 14, the vacuum module 2 includes two vacuum collecting pipes 21, a plurality of vacuum components 22, a parallel pipe component 23 and two vacuum pumps (not shown in the figure), the two vacuum pumps are connected to the two vacuum collecting pipes 21 in a one-to-one manner, the two vacuum collecting pipes 21 are both installed on the frame 1, the plurality of vacuum components 22 are arranged in a one-to-one correspondence with the plurality of helium inspection stations 14, a part of the plurality of vacuum components 22 is connected to one of the two vacuum collecting pipes 21, another part of the plurality of vacuum components 22 is connected to the other of the two vacuum collecting pipes 21, and the parallel pipe component 23 is connected to the two vacuum collecting pipes 21.

[0030] The parallel pipe assembly 23 has a connected state and a closed state. In the connected state, the two vacuum collecting pipes 21 are connected; in the closed state, the two vacuum collecting pipes 21 are not connected to each other.

[0031] Based on the above scheme, when any of the two vacuum pumps fails or is damaged, the two vacuum collecting pipes 21 are connected in parallel to another normally functioning vacuum pump through the parallel pipe assembly 23, so that when one vacuum pump fails to work normally, all the helium inspection chambers can continue to be evacuated. Such a setting can effectively avoid the shutdown of the helium inspection device and make the production cycle continuous, thereby improving the efficiency of the helium inspection battery.

[0032] The rack 1 includes a plurality of supports 11 and a mounting platform 12, wherein the plurality of supports 11 are linearly distributed, and the plurality of supports 11 are used for mounting the platform 12, and the plurality of vacuum pumping components 22 are mounted on the mounting platform 12. The plurality of supports 11 and the mounting platform 12 provide a mounting foundation for the vacuum pumping module 2, so as to facilitate helium inspection of the battery.

[0033] It should be noted that a helium inspection station 14 is formed between the two support bodies 11, and the battery jig is placed on the helium inspection station 14. The battery jig is lifted by a lifting cylinder until the opening of the battery jig is in contact with the mounting platform 12 to form a helium inspection cavity.

[0034] The support body 11 can be a structure such as a support rod or a column.

[0035] The frame 1 further includes a plurality of fixing bodies 13, which are all mounted on the mounting platform 12 and spaced apart along the length direction of the mounting platform 12, and are all used to fix two vacuum collecting pipes 21. The fixing bodies 13 can provide support force for the two vacuum collecting pipes 21, so that the two vacuum collecting pipes 21 can be stably mounted on the mounting platform 12.

[0036] Both vacuum collecting pipes 21 have a collecting pipe section 211 and a parallel pipe section 212. A part of the multiple vacuum pumping components 22 is connected to the collecting pipe section 211 of one of the two vacuum collecting pipes 21, and another part of the multiple vacuum pumping components 22 is connected to the collecting pipe section 211 of the other of the two vacuum collecting pipes 21; the parallel pipe component 23 is connected to the two parallel pipe sections 212.

[0037] The fixing body 13 may be a fixing block with a pipe clamp or a fixing rod or other structures.

[0038] Reference Figures 1 to 4 The parallel pipeline assembly 23 includes a parallel pipe 231 and a control valve 232 . The two ends of the parallel pipe 231 are connected to the two parallel pipe sections 212 in a one-to-one correspondence. The control valve 232 is arranged on the parallel pipe 231 .

[0039] With such arrangement, the parallel connection pipe 231 can be connected to the two vacuum collecting pipes 21, or the two vacuum collecting pipes 21 can be connected to each other under the action of the control valve 232. In this way, when one of the two vacuum pumps fails, the two vacuum collecting pipes 21 can be connected in parallel to the other normally working vacuum pump through the parallel pipe assembly 23 to continue to complete the vacuum pumping of the helium detection chamber.

[0040] In addition, when both vacuum pumps can work normally, the control valve 232 controls the two vacuum collecting pipes 21 to communicate with each other through the parallel connecting pipe 231, so that the two vacuum collecting pipes 21 can independently evacuate the corresponding helium detection chamber, thereby improving the performance of the helium detection device.

[0041] Continue to refer to Figures 1 to 4 The vacuum pumping module 2 further includes two vacuum breaking components 24 , which are connected to the two parallel pipe sections 212 in a one-to-one correspondence, and the vacuum breaking components 24 are used to break the vacuum of the corresponding vacuum collecting pipes 21 .

[0042] When an abnormality occurs during the operation of the vacuum pump, it cannot provide vacuum. At this time, the helium detection chamber and the vacuum collection pipe 21 are both in a vacuum state, and the pump oil in the vacuum pump is easily pumped back into the vacuum collection pipe 21 and the helium detection chamber. When an abnormality occurs during the operation of the vacuum pump, the corresponding vacuum collection pipe 21 is promptly broken by the two vacuum breaking parts 24 to effectively prevent the pump oil of the vacuum pump from being pumped back into the vacuum collection pipe 21 and the helium detection chamber, thereby preventing the pump oil from contaminating the vacuum collection pipe 21 and the helium detection chamber and improving the performance of the helium detection device.

[0043] The vacuum breaking component 24 may be a vacuum breaking valve, or other structural components having a vacuum breaking function, which is not specifically limited herein.

[0044] Continue to refer to Figures 1 to 4 The vacuum pumping assembly 22 includes a connecting pipe 221, a vacuum main pipe 222 and a first solenoid valve 223. One end of the connecting pipe 221 is connected to the corresponding vacuum collecting pipe 21, one end of the vacuum main pipe 222 is connected to the mounting platform 12 of the frame 1, and the other ends of the connecting pipe 221 and the vacuum main pipe 222 are both connected to the first solenoid valve 223.

[0045] The first solenoid valve 223 can connect the connecting pipe 221 and the vacuum main pipe 222 , or close the connection between the connecting pipe 221 and the vacuum main pipe 222 , so as to evacuate the helium detection chamber or ensure the airtightness of the helium detection chamber.

[0046] Continue to refer to Figures 1 to 4 The helium detection device also includes a helium detection module 3, which includes a helium detection collection pipe 31, multiple helium detection components 32 and a helium detector 33. One end of the multiple helium detection components 32 is connected to the multiple vacuum components 22 one by one, and the other ends of the multiple helium detection components 32 are connected to the helium detection collection pipe 31, and the helium detection collection pipe 31 is connected to the helium detector 33 by pipeline.

[0047] The helium detection component 32 includes a helium detection branch pipe 321 and a second solenoid valve 322. One end of the helium detection branch pipe 321 is connected to the helium detection collection pipe 31, and the other end is connected to the vacuum assembly 22 through the second solenoid valve 322. Specifically, the helium detection branch pipe 321 is connected to the vacuum main pipe 222 through the second solenoid valve 322.

[0048] Such an arrangement enables helium inspection of the battery to detect the sealing inside the battery, thereby improving the efficiency of battery inspection.

[0049] The above description is only an optional embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A helium detection device, characterized in that: The helium detection device comprises a frame and a vacuum module; The rack has a plurality of helium inspection stations; The vacuum pumping module comprises two vacuum collecting pipes, a plurality of vacuum pumping components, a parallel pipe component and two vacuum pumps, the two vacuum pumps are connected to the two vacuum collecting pipes in a one-to-one manner, the two vacuum collecting pipes are both installed on the frame, the plurality of vacuum pumping components are arranged in a one-to-one manner with the plurality of helium inspection stations, a part of the plurality of vacuum pumping components is connected to one of the two vacuum collecting pipes, another part of the plurality of vacuum pumping components is connected to the other of the two vacuum collecting pipes, and the parallel pipe component is connected to the two vacuum collecting pipes; The parallel pipe assembly has a connected state and a closed state. In the connected state, the two vacuum collecting pipes are connected; in the closed state, the two vacuum collecting pipes are not connected to each other.

2. The helium detection device according to claim 1, characterized in that: The two vacuum collecting pipes each have a collecting pipe section and a parallel pipe section, a part of the multiple vacuum pumping components are connected to the collecting pipe section of one of the two vacuum collecting pipes, and another part of the multiple vacuum pumping components are connected to the collecting pipe section of the other of the two vacuum collecting pipes; the parallel pipe component is connected to the two parallel pipe sections.

3. The helium detection device according to claim 2, characterized in that: The parallel pipeline assembly includes a parallel connecting pipe and a control valve. The two ends of the parallel connecting pipe are connected to the two parallel pipe sections in a one-to-one correspondence. The control valve is arranged on the parallel connecting pipe.

4. The helium detection device according to claim 2, characterized in that: The vacuum pumping module further comprises two vacuum breaking components, which are connected to the two parallel pipe sections in a one-to-one correspondence, and are used to break the vacuum of the corresponding vacuum collecting pipes.

5. The helium detection device according to claim 4, characterized in that: The vacuum breaking component is a vacuum breaking valve.

6. The helium detection device according to claim 4, characterized in that: The vacuum pumping assembly includes a connecting pipe, a vacuum main pipe and a first solenoid valve, one end of the connecting pipe is connected to the corresponding vacuum collecting pipe, one end of the vacuum main pipe is connected to the mounting platform of the rack, and the other ends of the connecting pipe and the vacuum main pipe are both connected to the first solenoid valve.

7. The helium detection device according to claim 1, characterized in that: The helium detection device also includes a helium detection module, which includes a helium detection collection pipe, multiple helium detection components and a helium detector. One ends of the multiple helium detection components are connected to the multiple vacuum components in a one-to-one correspondence, and the other ends of the multiple helium detection components are connected to the helium detection collection pipe, and the helium detection collection pipe is connected to the helium detector pipeline.

8. The helium detection device according to claim 7, characterized in that: The helium detection component comprises a helium detection branch pipe and a second solenoid valve. One end of the helium detection branch pipe is connected to the helium detection collecting pipe, and the other end is connected to the vacuum pumping component through the second solenoid valve.

9. The helium detection device according to claim 1, characterized in that: The frame includes a plurality of supporting bodies and a mounting platform, wherein the plurality of supporting bodies are distributed linearly, the plurality of supporting bodies are all used for the mounting platform, and the plurality of vacuuming components are all mounted on the mounting platform.

10. The helium detection device according to claim 9, characterized in that: The frame also includes a plurality of fixing bodies, which are all mounted on the mounting platform and spaced apart along the length direction of the mounting platform. The plurality of fixing bodies are all used to fix the two vacuum collecting pipes.

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