Acupuncture gas collection device of sodium ion battery for laboratory

Abstract

The utility model provides a sodium ion battery acupuncture gas collection device for a laboratory. The external structure of the sodium ion battery acupuncture gas collection device for the laboratory comprises a pressure release valve, an acupuncture cylinder, an inflation hole / vacuum port, a gas outlet hole, a thermometer, an observation hole, a first sealing part and a second sealing part. The internal structure of the needling gas collection device for the sodium ion battery comprises a needling needle, a bottom tray, a battery clamp, a tray column, a clamping head and an open groove. The device is mainly used for collecting gas released by short circuit of a battery cell after the sodium ion battery is needled, and the gas is used for instrument detection, so that various data of the gas are obtained to guide an experiment.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium ion batteries, in particular to a sodium ion battery acupuncture gas collection device for laboratory use. Background Art

[0002] Sodium-ion batteries have outstanding advantages such as abundant raw materials, high compatibility, wide application range and environmental protection. The electrochemical reaction of sodium-ion batteries is more intense than that of lithium-ion batteries. Therefore, battery safety performance testing is an important part. The needle puncture test is currently a commonly used experimental method for studying internal short circuits in batteries.

[0003] Currently, common sodium ion battery acupuncture equipment is large-scale equipment, which is very inconvenient for daily experiments and expensive, which is not conducive to the development of experimental projects. There is an urgent need for a sodium ion battery acupuncture experimental equipment that is simple to operate, safe and reliable. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the utility model provides a laboratory sodium ion battery acupuncture gas collection device, which has a simple structure, is easy to operate and has low cost.

[0005] The utility model solves the problem by providing a laboratory sodium ion battery acupuncture gas collection device, the external structure of which includes a pressure relief valve, a puncture cylinder, an air filling hole / vacuum port, an air outlet, a thermometer, an observation hole, a first sealing part, and a second sealing part.

[0006] Furthermore, the puncture cylinder is located in the middle of the first sealing portion, the pressure relief valve and the thermometer are distributed in parallel on both sides of the puncture cylinder, the inflation hole / vacuum port and the air outlet are on the other side of the puncture cylinder, and the observation hole is on both sides of the battery puncture gas collecting device.

[0007] Furthermore, the internal structure of the sodium ion battery acupuncture gas collection device includes a puncture needle, a bottom tray, a battery clamp, a tray column, a clamping head, and a slot.

[0008] Furthermore, the center line of the pricking needle and the center of the acupuncture cylinder are on the same vertical line, and the pricking needle is arranged on the clamping head.

[0009] Furthermore, one end of the pallet column is connected to the bottom pallet, and the other end is connected to the second sealing portion.

[0010] Furthermore, a battery clip for fixing the battery is provided on the bottom tray, and a slot is provided in the middle of the bottom tray.

[0011] The beneficial effects of the utility model are as follows: the provided sodium ion battery acupuncture gas collection device is simple to operate, low in cost, safe and reliable. The device is specially optimized for 18650 sodium ion batteries, can be used indoors, and the gas outlet can be directly connected to the gas detection equipment for subsequent testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 Schematic diagram of the sodium ion battery needle puncture gas collection device.

[0014] Figure 2 This is a diagram of the internal structure of the sodium ion battery acupuncture gas collection device.

[0015] In the figure:

[0016] 1. Pressure relief valve; 2. Acupuncture cylinder; 3. Inflation hole / vacuum port; 4. Air outlet; 5. Thermometer; 6. Observation hole; 7. First sealing part; 8. Second sealing part; 9. Acupuncture needle; 10. Bottom tray; 11. Battery clamp; 12. Tray column; 13. Clamping head; 14. Slot. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 2The utility model discloses a laboratory sodium ion battery acupuncture gas collection device, including an external structure: a pressure relief valve 1, a puncture cylinder 2, a gas filling hole / vacuum port 3, a gas outlet 4, a thermometer 5, an observation hole 6, a first sealing part 7, and a second sealing part 8; an internal structure: a puncture needle 9, a bottom tray 10, a battery clamp 11, a tray column 12, a clamping head 13, and a slot 14. The upper part of the device is provided with a puncture cylinder 2 to link the puncture needle 9, and the lower part is provided with a bottom tray 10 and a battery clamp 11 to fix the battery. After opening, a certain pressure is applied to slowly puncture the battery, causing a short circuit inside the battery and generating a series of chain reactions to produce a large amount of smoke, which can be collected from the gas outlet. After reaching a certain pressure, the pressure relief valve 1 will open to release the pressure to ensure the safety of the experiment.

[0019] Specifically, the puncture cylinder is in the middle of the first sealing part, the pressure relief valve 1 and the thermometer 5 are distributed in parallel on both sides of the puncture cylinder 2, the inflation hole / vacuum port 3 and the air outlet 4 are on the other side of the puncture cylinder 2, and the observation hole 6 is on both sides of the battery puncture gas collecting device.

[0020] In this embodiment, the pressure relief valve 1 and the thermometer 5 can make the experiment safer. The observation hole 6 is used to observe whether there is any abnormality in the operation of the acupuncture gas collection device and to observe whether there is any foreign matter inside the device. If there is any foreign matter, it should be cleaned up in time.

[0021] Specifically, the center line of the pricking needle 9 and the center of the acupuncture cylinder 2 are on the same vertical line, and the pricking needle 9 is arranged on the clamping head 13 .

[0022] In this embodiment, the position of the needle 9 can be adjusted in the vertical direction to adapt to acupuncture experiments in more positions.

[0023] Specifically, one end of the pallet column 12 is connected to the bottom pallet 10 , and the other end is connected to the second sealing portion 8 .

[0024] Specifically, a battery clip 11 for fixing the battery is disposed on the bottom tray 10 , and a slot 14 is disposed in the middle of the bottom tray 10 .

[0025] In this embodiment, the battery clip 11 is a model adapted for 18650 sodium ion batteries.

[0026] The above description is only a specific implementation method of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should also be included in the scope of protection of the present application. Therefore, the scope of protection of the present application shall be based on the scope of protection of the claims.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features.

Claims

1. A laboratory sodium ion battery acupuncture gas collection device, characterized in that: include: External structure: pressure relief valve (1), acupuncture cylinder (2), inflation hole / vacuum port (3), air outlet hole (4), thermometer (5), observation hole (6), first sealing part (7), second sealing part (8); Internal structure: needle (9), bottom tray (10), battery clamp (11), tray column (12), clamping head (13), slot (14); The acupuncture cylinder (2) is located in the middle of the first sealing portion (7), the pressure relief valve (1) and the thermometer (5) are arranged in parallel on both sides of the acupuncture cylinder (2), the air filling hole / vacuum port (3) and the air outlet hole (4) are arranged on the other side of the acupuncture cylinder (2), and the observation hole (6) is arranged on both sides of the battery acupuncture gas collecting device; the center line of the acupuncture needle (9) and the center of the acupuncture cylinder (2) are on the same vertical line, and the acupuncture needle (9) is arranged on the clamping head (13); one end of the tray column (12) is connected to the bottom tray (10), and the other end is connected to the second sealing portion (8); the bottom tray (10) is provided with a battery clamp (11) for fixing the battery, and the middle of the bottom tray (10) is provided with a slot (14).

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