Lithium battery residual life measuring device

Abstract

The utility model relates to a lithium battery residual life measuring device which comprises a chain scraper conveyor and conveying seats, a plurality of conveying seats are installed on a chain plate of the chain scraper conveyor, a supporting arm is installed on the side wall of the chain scraper conveyor, an adjusting seat is installed on the supporting arm, a sliding groove is formed in the bottom side of the adjusting seat, and the conveying seats are arranged in the sliding groove. Movable plates are slidably mounted at the two ends of the sliding groove correspondingly. Movement of the movable plate is achieved through work of the motor, then the distance between the two electrode guide pieces is adjusted, positive and negative electrodes of cylindrical lithium batteries with different lengths can be in contact conveniently, capacitance measurement of the lithium batteries with different specifications is completed, the measured lithium batteries automatically fall off at one end of the chain scraper conveyor, and the measurement efficiency is improved. The lithium batteries automatically fall on the buffer plate of the discharge hopper, the buffer protection effect is achieved through elastic deformation of the spring, then the lithium batteries roll down along the discharge hopper, and automatic discharging and collecting are completed.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion battery production and manufacturing, in particular to a lithium battery remaining life measuring device. Background Art

[0002] Because some electrical appliances using lithium batteries need to keep running for a long time or cannot be powered off for a long time, and the service life of lithium batteries cannot be clearly marked, multiple lithium batteries are charged and discharged for multiple cycles, and then the lithium batteries are tested for capacity. The number of charge and discharge cycles is matched with the capacity attenuation value to achieve the life measurement of the lithium battery.

[0003] When the existing lithium battery is tested for capacity, it is necessary to manually make the measuring head of the capacity tester contact the positive and negative electrodes of the battery in turn for detection. The detection efficiency is low and the labor intensity is high. At the same time, during the automatic unloading process of the lithium battery after measurement, collisions are prone to occur, causing damage to the lithium battery. Utility Model Content

[0004] The problem solved by the utility model is to provide a device for measuring the remaining life of a lithium battery, which solves the technical problem that when the existing lithium battery is tested for capacity, it is necessary to manually make the measuring head of the capacity tester contact the positive and negative electrodes of the battery in turn, which has low detection efficiency and high labor intensity. At the same time, during the automatic unloading process of the lithium battery after measurement, collisions are likely to occur, resulting in damage to the lithium battery.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A lithium battery remaining life measuring device comprises a chain conveyor and a conveyor seat, wherein a plurality of conveyor seats are installed on the chain plates of the chain conveyor, a support arm is installed on the side wall of the chain conveyor, an adjustment seat is installed on the support arm, a slide groove is provided on the bottom side of the adjustment seat, movable plates are slidably installed at both ends of the slide groove, electrode conductors are installed on opposite sides of the two movable plates, a capacitance detector is installed on the adjustment seat, and the capacitance detector is connected to the electrode conductor through a wire.

[0007] Preferably, a lithium battery slot is provided on the conveying seat, and the lithium battery is located in the lithium battery slot.

[0008] Preferably, a motor is installed at the end of the adjustment seat, and a threaded rod is installed in the slide groove at the output end of the motor.

[0009] Preferably, the thread directions of the two ends of the threaded rod are opposite, and the two ends of the threaded rod are respectively threadedly connected to the movable plate.

[0010] Preferably, a tilted discharge hopper is installed at one end of the chain conveyor through a connecting arm, and a buffer plate is elastically installed at the top of the discharge hopper.

[0011] Preferably, guide rods are installed around the bottom side of the buffer plate, and the guide rods pass through the discharge hopper. A spring is sleeved on the outside of the guide rods and located between the buffer plate and the discharge hopper.

[0012] The beneficial effects of the utility model are: the movable plate is moved by the operation of the motor, and then the distance between the two electrode guides is adjusted, so that the positive and negative electrodes of cylindrical lithium batteries of different lengths can be contacted, and the capacitance of lithium batteries of different specifications can be measured;

[0013] After measurement, the lithium battery automatically falls at one end of the chain conveyor, and the lithium battery automatically falls on the buffer plate of the discharge hopper, and plays a buffering protection role through the elastic deformation of the spring. Then the lithium battery rolls along the discharge hopper to complete automatic unloading and collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is an overall side view of the utility model;

[0016] Figure 3 It is a cross-sectional view of the discharge hopper of the utility model.

[0017] Legend:

[0018] 1. Chain conveyor; 2. Conveying seat; 3. Lithium battery slot; 4. Support arm; 5. Adjustment seat; 6. Slide; 7. Movable plate; 8. Electrode guide; 9. Wire; 10. Capacitance detector; 11. Motor; 12. Threaded rod; 13. Connecting arm; 14. Discharge hopper; 15. Buffer plate; 16. Guide rod; 17. Spring. DETAILED DESCRIPTION

[0019] 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.

[0020] Specific examples are given below.

[0021] See also Figure 1 to Figure 3A lithium battery remaining life measuring device comprises a chain plate conveyor 1 and a conveying seat 2. A plurality of conveying seats 2 are installed on the chain plate of the chain plate conveyor 1. A lithium battery slot 3 is provided on the conveying seat 2, and the lithium battery is located in the lithium battery slot 3. A support arm 4 is installed on the side wall of the chain plate conveyor 1. An adjustment seat 5 is installed on the support arm 4. A slide 6 is provided on the bottom side of the adjustment seat 5. Active plates 7 are slidably installed at both ends of the slide 6. Electrode guide sheets 8 are installed on opposite sides of the two active plates 7. A capacitance detector 10 is installed on the adjustment seat 5, and the capacitance detector 10 is connected to the electrode guide sheet 8 through a wire 9. A motor 11 is installed at the end of the adjustment seat 5. A threaded rod 12 is installed at the output end of the motor 11 in the slide 6. The thread directions of the two ends of the threaded rod 12 are opposite, and the two ends of the threaded rod 12 are respectively threadedly connected to the active plate 7. The motor 11 drives the threaded rod 12 to rotate, thereby driving the active plate 7 threadedly connected to the threaded rod 12 to move in the slide 6. The two active plates 7 move in opposite directions at the same speed to adjust the distance between the two active plates 7.

[0022] A tilted discharge hopper 14 is installed at one end of the chain conveyor 1 through a connecting arm 13, a buffer plate 15 is elastically installed at the top of the discharge hopper 14, guide rods 16 are installed around the bottom of the buffer plate 15, and the guide rods 16 penetrate the discharge hopper 14, and a spring 17 is installed on the outside of the guide rod 16 and between the buffer plate 15 and the discharge hopper 14. The measured lithium battery automatically falls at one end of the chain conveyor 1, and the lithium battery automatically falls on the buffer plate 15 of the discharge hopper 14. The elastic deformation of the spring 17 plays a buffering and protective role, and then the lithium battery rolls along the discharge hopper 14 to complete the automatic unloading and collection.

[0023] Multiple lithium batteries are charged and discharged for multiple cycles, and then the lithium batteries are placed on the device for capacitance testing. The number of charge and discharge cycles is matched with the capacitance attenuation value to achieve the life measurement of the lithium battery;

[0024] The lithium battery is located on the conveying seat 2 of the chain conveyor 1 for conveying. When the lithium battery is located below the adjustment seat 5, the motor 11 drives the threaded rod 12 to rotate, thereby driving the movable plate 7 threadedly connected to the threaded rod 12 to move in the slide groove 6, and adjusting the distance between the two movable plates 7 until the electrode conductor 8 on the movable plate 7 contacts the positive and negative electrodes at both ends of the lithium battery. The capacity of the lithium battery is measured by the capacity detector 10. After the measurement, the lithium battery continues to be conveyed, and the lithium battery automatically falls on the buffer plate 15 of the discharge hopper 14. The elastic deformation of the spring 17 plays a buffering role, and then the lithium battery rolls along the discharge hopper 14 to complete automatic unloading and collection.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lithium battery remaining life measuring device, characterized in that: The invention comprises a chain conveyor (1) and a conveyor seat (2), wherein a plurality of conveyor seats (2) are installed on the chain plate of the chain conveyor (1), a support arm (4) is installed on the side wall of the chain conveyor (1), an adjustment seat (5) is installed on the support arm (4), a slide groove (6) is provided on the bottom side of the adjustment seat (5), movable plates (7) are slidably installed at both ends of the slide groove (6), electrode conductors (8) are installed on opposite sides of the two movable plates (7), a capacitance detector (10) is installed on the adjustment seat (5), and the capacitance detector (10) is connected to the electrode conductor (8) through a wire (9).

2. A lithium battery remaining life measuring device according to claim 1, characterized in that: The conveying seat (2) is provided with a lithium battery slot (3), and the lithium battery is located in the lithium battery slot (3).

3. A lithium battery remaining life measuring device according to claim 2, characterized in that: A motor (11) is installed at the end of the adjustment seat (5), and a threaded rod (12) is installed at the output end of the motor (11) located in the slide groove (6).

4. A lithium battery remaining life measuring device according to claim 3, characterized in that: The thread directions of the two ends of the threaded rod (12) are opposite, and the two ends of the threaded rod (12) are respectively threadedly connected to the movable plate (7).

5. A lithium battery remaining life measuring device according to claim 4, characterized in that: A discharging hopper (14) which is arranged obliquely is installed at one end of the chain conveyor (1) through a connecting arm (13), and a buffer plate (15) is elastically installed at the top end of the discharging hopper (14).

6. A lithium battery remaining life measuring device according to claim 5, characterized in that: Guide rods (16) are installed around the bottom side of the buffer plate (15), and the guide rods (16) penetrate the discharge hopper (14). A spring (17) is sleeved on the outside of the guide rods (16) and located between the buffer plate (15) and the discharge hopper (14).

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