Clean and efficient discharging equipment for retired aluminum shell battery

Abstract

The utility model relates to the technical field of aluminum shell batteries, and provides a decommissioned aluminum shell battery cleaning and efficient discharging device which comprises a shell, a clamping and pressing device used for clamping and pressing a battery is arranged in the shell, and a discharging unit used for being electrically connected with the battery after the battery is fixed is arranged in the shell. The discharge unit comprises a conductive structure which can be connected with the battery and a resistor which is connected with the conductive structure and can be cooled under the action of the water circulation system; the aluminum shell battery has higher safety in the using process, the aluminum shell battery has higher energy density, and the safety problems of overheating, combustion and the like are easily caused in the discharging process. And through the control of the external resistor, the safety of the battery and external equipment can be effectively protected, and the potential safety hazard of the battery in the discharging process is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum shell batteries, and in particular relates to a clean and efficient discharge device for retired aluminum shell batteries. Background Art

[0002] As a type of battery with high energy density, long life and environmental performance, aluminum-shell lithium batteries are widely used in electric vehicles, portable electronic devices and other fields. With the rapid popularization of electric vehicles and the continuous upgrading of electronic consumer products, the number of aluminum-shell lithium batteries continues to increase. However, due to the high pollution inside the battery and the nature of the resources, it is crucial to properly handle discarded aluminum-shell lithium batteries. Recycling aluminum-shell lithium batteries can not only reduce the consumption of limited resources, but also avoid environmental pollution and safety risks of discarded batteries.

[0003] In the recycling process of aluminum shell lithium batteries, discharge is a key link. Discharge refers to the release of the electrical energy stored in the battery. In the recycling process, the main purpose of discharge is to safely reduce the battery charge to a safe range to reduce the safety risks in the subsequent recycling and processing links. Therefore, when recycling aluminum shell lithium batteries, the battery needs to be discharged first to reduce the energy stored in the battery, thereby eliminating potential safety risks. At the same time, aluminum shell lithium batteries contain substances that are harmful to the environment, such as organic solvents, heavy metals, etc., which pose a potential risk of pollution to the environment. Secondary pollution to the environment should be avoided during the recycling process. In the process of recycling aluminum shell lithium batteries, the discharge process can release the energy of the battery, which is very important for the subsequent classification, processing and recycling links. Through reasonable discharge control, the amount of charge inside the battery can be reduced, the current shock and damage in the subsequent processing process can be reduced, and the recycling efficiency and safety can be improved.

[0004] The recycling of aluminum-shell lithium batteries has certain technical difficulties. Appropriate equipment and control parameters need to be selected during the discharge process so that the battery can be discharged safely and efficiently. However, the equipment and technology for recycling aluminum-shell lithium batteries are still relatively backward, the cost is relatively high, and a mature plan for large-scale discharge has not been formed. There are problems such as low recycling efficiency and recycling utilization rate of aluminum-shell lithium batteries, waste of resources and environmental pollution. In addition, aluminum-shell batteries have a high energy density, which can easily cause safety problems such as overheating and combustion during the discharge process. The existing discharge equipment has potential safety hazards during the discharge process. Utility Model Content

[0005] The purpose of the utility model is to provide a clean and efficient discharge device for retired aluminum shell batteries, so as to solve the problem that the existing aluminum shell lithium batteries mentioned in the background technology have high energy density, resulting in potential safety hazards in the discharge process of the discharge device.

[0006] The technical solution of the utility model is achieved as follows: a clean and efficient discharge device for retired aluminum shell batteries, including a shell, a clamping and pressing device for clamping and pressing the battery is provided inside the shell, a discharge unit for electrically connecting to the battery after the battery is fixed is provided inside the shell, and the discharge unit includes a conductive structure that can be connected to the battery and a resistor connected to the conductive structure and can be cooled under the action of a water circulation system.

[0007] As a preferred solution of the utility model, the clamping and pressing device includes several groups of elastic clamps for clamping the battery left and right, and the conductive structure is arranged between each group of elastic clamps. After the battery is clamped, the lower end of the battery can contact the conductive structure.

[0008] As a preferred solution of the utility model, the clamping and pressing device further comprises an elastic pressing plate located above each set of elastic clamping plates and capable of being raised and lowered in the vertical direction, and the pressing plate can press the battery after being lowered.

[0009] As a preferred solution of the utility model, the pressure plate is movably mounted on a frame located inside the shell, the frame is threadedly connected to a screw rod, the upper end of the screw rod is connected to a motor, and the motor drives the screw rod to rotate, thereby making the frame move up and down, and then driving the elastic pressure plate to rise and fall.

[0010] As a preferred solution of the utility model, a grating for monitoring the lifting position of the rack is installed at the inner side of the shell.

[0011] As a preferred solution of the utility model, the conductive structure is four copper-plated gold-plated pin plates arranged in parallel in both directions, and the conductive structure is connected to the resistor through a wire.

[0012] As a preferred solution of the utility model, the water circulation system includes two water tanks arranged inside the shell, all resistors are divided into two parts and placed in the two water tanks, each water tank is provided with a water inlet, a drain and an overflow, and the water inlet and the drain are connected through a cooling tube bundle, and the cooling tube bundle is connected to a water pump. When the water temperature in the water tank rises to a certain value, the water pump can guide water into the cooling tube bundle and extract heat through a fan installed on the shell to reduce the water temperature in the water tank.

[0013] As a preferred solution of the utility model, a temperature sensor is installed below the conductive structure.

[0014] As a preferred solution of the utility model, it also includes a control panel, which is arranged on the side of the shell, a buzzer and a three-color light are installed on the top of the shell, and an operation button is installed on the shell below the control panel.

[0015] The utility model provides a clean and efficient discharge device for retired aluminum shell batteries with beneficial effects:

[0016] (1) The utility model has higher safety during use. Aluminum shell batteries have higher energy density and are prone to overheating, burning and other safety issues during discharge. However, the device can effectively protect the safety of batteries and external devices by controlling external resistors, reducing safety hazards of batteries during discharge.

[0017] (2) The discharge method adopted by the present invention can provide a relatively stable current output, ensuring the effective discharge process. Compared with other high-speed discharge methods, the present device can more fully release the energy in the battery during the discharge process, thereby improving the discharge efficiency of the battery.

[0018] (3) The utility model does not generate waste gas, waste liquid, and waste solid during use, thus avoiding the emission and treatment of harmful substances and reducing environmental pollution. Compared with other discharge methods (such as salt water discharge), it is more environmentally friendly.

[0019] (4) The clamping method adopted by the utility model has higher battery compatibility and can take out the battery more conveniently and quickly. Traditional battery clamping devices often require a lot of force to remove the battery, and are not very compatible with batteries of different sizes, which is not conducive to use in actual production processes. The battery clamping device of the utility model makes it more convenient and quick to remove the battery through innovative structural design, improving the convenience of use. At the same time, the spring-type clamp and elastic pressure plate can effectively enhance the adaptability to the width, length and height of the battery, and achieve full compatibility with battery specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a distribution structure diagram of the clamping plate and the conductive structure of the utility model inside the shell;

[0022] Figure 3 This is a distribution structure diagram of the resistor in the water tank of the utility model;

[0023] Figure 4 This is a state diagram of the utility model when the pressing plate does not press the battery;

[0024] Figure 5 This is a state diagram of the utility model when the pressing plate presses the battery.

[0025] In the figure: 1. shell; 2. motor; 3. three-color light; 4. buzzer; 5. control panel; 6. operation button; 7. fan; 8. conductive structure; 9. grating; 10. resistor; 11. water tank; 12. rack; 13. movable rod; 14. second spring; 15. pressure plate; 16. first spring; 17. clamping plate; 18. fixing plate; 19. temperature sensor. DETAILED DESCRIPTION

[0026] like Figure 1 -5, a clean and efficient discharge device for retired aluminum shell batteries comprises a shell 1, wherein the shell 1 is provided with a clamping and pressing device for clamping and pressing the battery, wherein the shell 1 is provided with a discharge unit for electrically connecting to the battery after the battery is fixed, wherein the discharge unit comprises a conductive structure 8 that can be connected to the battery and a resistor 10 that is connected to the conductive structure 8 and can be cooled under the action of a water circulation system, that is, when the battery is clamped and pressed, the positive and negative electrodes of the battery can be connected to the conductive structure 8, and since the conductive structure is connected to the resistor 10, a loop is formed between a single battery and the conductive structure 8 and the resistor 10, thereby allowing the battery to release electrical energy and complete the discharge work.

[0027] The clamping and pressing device includes a plurality of groups of elastic clamps 17 for clamping the battery left and right. The clamps 17 are made of insulating plastic material to ensure the safety of the discharge process, that is, each group has two clamps 17, and the conductive structure 8 is arranged between each group of elastic clamps 17. After the battery is clamped, the lower end of the battery can contact the conductive structure 8. The clamps 17 are used to clamp the battery in the horizontal direction. More specifically, it also includes a fixing plate 18 located on both sides of the battery inside the shell 1. The fixing plate 18 is fixedly connected to the shell 1. The clamp 17 is between the two fixing plates 18. The fixing plate 18 and the clamp 17 are connected by a first spring 16. In a natural state, the first spring 16 can exert a force on the clamp 17, so that the two clamps 17 move toward each other. When the battery is placed between the two clamps 17, the two clamps 17 move in opposite directions. The first spring 16 is used to clamp the battery in the opposite direction. 6's reaction force is used to clamp the battery. Such an arrangement can meet the clamping requirements of batteries of different sizes and has the advantages of good clamping effect and wide application range.

[0028] Specifically, the clamping and pressing device also includes an elastic pressing plate 15 located above each set of elastic clamping plates 17 and capable of being lifted and lowered in the vertical direction. The pressing plate 15 is also made of insulating plastic material. The pressing plate 15 can press the battery after it is lowered. The elastic pressing of the pressing plate 15 on the battery is achieved by the second spring 14. Figure 4-5As shown, the housing 1 has a frame 12 that can be raised and lowered inside, and a plurality of movable rods 13 are installed on the frame 12. The movable rods 13 and the frame 12 are in sliding cooperation, and the lower ends of the movable rods 13 are connected to the pressing plates 15. A second spring 14 is sleeved on the movable rods 13 between the pressing plates 15 and the frame 12. When the frame 12 moves downward, the movable rods 13 will move downward with the frame 12, so that the pressing plates 15 below can contact the upper ends of the batteries and press the batteries. In this process, the second spring 14 is provided. On the one hand, it is to prevent the pressing plates 15 from being in a fixed state and causing the batteries to be damaged by compression, thereby preventing safety accidents. On the other hand, it can also meet the compression work of batteries of different heights and sizes, and has the advantages of good safety and a wide range of applications.

[0029] Specifically, the pressing plate 15 is movably mounted on the frame 12 located inside the housing 1. Figure 4-5 As shown, a movable rod 13 is arranged above the pressing plate 15, and the movable rod 13 passes through the frame 12 and slides with the frame 12. The frame 12 is threadedly connected with a screw rod, and the upper end of the screw rod is connected with a motor 2. The motor 2 drives the screw rod to rotate, so that the frame 12 moves up and down, and then drives the elastic pressing plate 15 to rise and fall. Among them, the structure and principle of the frame 12 to achieve the lifting and lowering through the motor 2 and the screw rod, and the vertical guide rod and guide sleeve are arranged on the frame 12 to play a guiding role, which are conventional technologies in the prior art for realizing the lifting and lowering of parts, and will not be described in detail here.

[0030] Specifically, a grating 9 for monitoring the lifting position of the rack 12 is installed at the inner side of the housing 1, and is used to monitor the position of the rack 12 in real time, so that data feedback can be performed on the control system of the device.

[0031] Specifically, the conductive structure 8 is four copper-plated gold-plated needle plates arranged in parallel in both directions. The conductive structure 8 is connected to the resistor 10 through a wire. This copper-plated gold-plated needle plate is designed with a needle-shaped protrusion, which can effectively pierce the oxide film on the surface of the positive and negative electrodes of the aluminum shell battery, thereby accelerating the discharge speed and improving the discharge efficiency; the resistor 10 is connected to this copper-plated gold-plated needle plate through a line and is cooled by a water circulation system, and the whole is waterproof.

[0032] Specifically, the water circulation system includes two water tanks 11 arranged inside the shell 1, all resistors 10 are divided into two parts and placed in the two water tanks 11, each water tank 11 is provided with a water inlet, a drain and an overflow, and the water inlet and the drain are connected through a cooling tube bundle, the cooling tube bundle is connected with a water pump, and a sensor for detecting water temperature is provided in the water tank 11. When the water temperature in the water tank 11 rises to a certain value, the water pump can guide water into the cooling tube bundle, and extract heat through the fan 7 installed on the shell 1 to reduce the water temperature in the water tank 11; that is, during the discharge process, the resistor 10 will generate heat after being energized, thereby heating the water in the water tank 11 and increasing the water temperature. In order to reduce the water temperature, a water pump is used to guide water into the cooling tube bundle, and then the fan 7 realizes hot and cold air convection, so that the cooled water enters the water tank 11 again, realizing the effect of circulating cooling, and finally achieving the purpose of reducing the water temperature.

[0033] Specifically, a temperature sensor 19 is installed under the conductive structure 8. During the discharge process, the resistor 10 will generate a certain amount of heat, and effective temperature control measures need to be taken. Therefore, a temperature sensor 19 is set under the conductive structure 8 to monitor the temperature of the aluminum shell battery.

[0034] Specifically, it also includes a control panel 5, which is arranged on the side of the shell 1. A buzzer 4 and a three-color light 3 are also installed on the top of the shell 1. An operation button 6 is installed on the shell 1 below the control panel 5. The discharge device adopts a PLC control system to realize automatic control. The buzzer 4 can be started when an alarm signal appears in the device and emit a sharp buzzing sound; the three-color light 3 can be used to prompt different working states of the device, for example, green is a normal working state, yellow is a standby state, and red is an alarm state; the operation button 6 includes start, stop, reset and emergency stop buttons, which are used to manually adjust the operating state of the device. In addition, the control panel 5 can also be used to realize human-computer interactive operation.

[0035] When in use, this clean and efficient discharge equipment for retired aluminum shell batteries can load 20 aluminum shell batteries at a time, use the clamping plate 17 to clamp the batteries horizontally, and use the pressing plate 15 to press the batteries, so that the copper-plated gold needle plate can pierce the oxide layer on the surface of the positive and negative electrodes of the aluminum shell battery, so that the circuit between the battery, the conductive structure 8, and the resistor 10 is turned on, and the resistor 10 heats up after being energized, thereby realizing the discharge process. During discharge, since the resistor 10 heats up, the water circulation system can be used to cool the resistor 10 to avoid safety accidents.

[0036] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A clean and efficient discharge device for retired aluminum shell batteries, characterized by: The invention comprises a shell (1), wherein a clamping and pressing device for clamping and pressing a battery is provided inside the shell (1), wherein a discharge unit for electrically connecting to the battery after the battery is fixed is provided inside the shell (1), wherein the discharge unit comprises a conductive structure (8) that can be connected to the battery, and a resistor (10) that is connected to the conductive structure (8) and can be cooled under the action of a water circulation system.

2. A clean and efficient discharge device for retired aluminum shell batteries according to claim 1, characterized in that: The clamping and pressing device comprises a plurality of groups of elastic clamps (17) for clamping the battery on the left and right sides, and the conductive structure (8) is arranged between each group of elastic clamps (17). After the battery is clamped, the lower end of the battery can contact the conductive structure (8).

3. A clean and efficient discharge device for retired aluminum shell batteries according to claim 2, characterized in that: The clamping and pressing device also includes an elastic pressing plate (15) located above each group of elastic clamping plates (17) and capable of being raised and lowered in a vertical direction; the pressing plate (15) is capable of pressing the battery after being lowered.

4. A clean and efficient discharge device for retired aluminum shell batteries according to claim 3, characterized in that: The pressure plate (15) is movably mounted on a frame (12) located inside the housing (1); a screw rod is connected to the center thread of the frame (12); the upper end of the screw rod is connected to a motor (2); the motor (2) drives the screw rod to rotate, thereby causing the frame (12) to move up and down, thereby driving the elastic pressure plate (15) to move up and down.

5. A clean and efficient discharge device for retired aluminum shell batteries according to claim 4, characterized in that: A grating (9) for monitoring the lifting position of the frame (12) is installed at the inner side of the housing (1).

6. The clean and efficient discharge equipment for retired aluminum shell batteries according to claim 1 is characterized by: The conductive structure (8) is four copper-plated gold pin plates arranged in parallel in both directions, and the conductive structure (8) is connected to the resistor (10) via a wire.

7. The clean and efficient discharge equipment for retired aluminum shell batteries according to claim 1 is characterized by: The water circulation system comprises two water tanks (11) arranged inside the outer shell (1), all the resistors (10) are divided into two parts and placed in the two water tanks (11), each water tank (11) is provided with a water inlet, a water outlet and a water overflow, and the water inlet and the water outlet are connected through a cooling pipe bundle, and the cooling pipe bundle is connected to a water pump. When the water temperature in the water tank (11) rises to a certain value, the water pump can guide water into the cooling pipe bundle and remove heat through a fan (7) installed on the outer shell (1) to reduce the water temperature in the water tank (11).

8. The clean and efficient discharge equipment for retired aluminum shell batteries according to claim 1 is characterized by: A temperature sensor (19) is installed below the conductive structure (8).

9. The clean and efficient discharge equipment for retired aluminum shell batteries according to claim 1 is characterized by: The invention also comprises a control panel (5), which is arranged on the side of the housing (1), a buzzer (4) and a three-color light (3) are installed on the top of the housing (1), and an operating button (6) is installed on the housing (1) below the control panel (5).

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