Device for charging and discharging metal and method for charging and discharging metal

Abstract

The embodiment of the invention relates to the technical field of metal smelting, in particular to a device and method for charging and discharging metal, and the device comprises a heating assembly which is used for containing the metal and is arranged to heat the metal; the charging and discharging assembly is used for charging molten metal into the heating assembly, discharging the molten metal and replacing gas in the heating assembly; the control assembly is used for controlling the heating assembly and the charging and discharging assembly. According to the embodiment of the invention, the heating assembly is used for heating the metal, so that the metal is prevented from being cooled and solidified in the charging and discharging process, the safety of the charging and discharging device is ensured, the charging and discharging assembly is used for replacing gas in the heating assembly, the metal in the heating assembly is in an inert atmosphere, and the metal is prevented from reacting with air; and meanwhile, the control assembly is used for controlling the heating assembly and the charging and discharging assembly, the reliability of the charging and discharging device is improved, and the purpose of automatically and continuously charging and discharging molten metal is achieved.

Description

Technical Field

[0001] Embodiments of the present application relate to the technical field of metal smelting, and in particular to a device for filling and discharging metal and a method for filling and discharging metal. Background Art

[0002] The statements herein merely provide background information related to the present application and do not necessarily constitute prior art.

[0003] With the rapid development of industry, tin-bismuth alloy has been widely used in electronics, metallurgy, chemical industry and other fields due to its excellent thermal conductivity, thermal stability, shielding properties, low melting point and other properties.

[0004] In the application process, a metal smelting filling and discharging device is usually used to fill and discharge the tin-bismuth alloy in a molten state. However, the current metal smelting filling and discharging device has many shortcomings. Summary of the invention

[0005] A brief overview of the present application is provided below in order to provide a basic understanding of certain aspects of the present application. It should be understood that this overview is not an exhaustive overview of the present application. It is not intended to identify the key or important parts of the present application, nor is it intended to limit the scope of the present application. Its purpose is merely to present certain concepts in a simplified form as a prelude to a more detailed description discussed later.

[0006] In a first aspect, an embodiment of the present application provides a device for filling and discharging metal, comprising: a heating component, a filling and discharging component and a control component, wherein the heating component is used to accommodate metal and is configured to heat the metal to melt the metal; the filling and discharging component is connected to the heating component, and is used to fill the heating component with metal in a molten state, and to discharge the molten metal in the heating component to transfer the molten metal to the next process; and the filling and discharging component is also used to replace the gas in the heating component to make the gas atmosphere in the heating component in an inert atmosphere; the control component is connected to the heating component, and is used to control the heating component so that the heating component is heated according to target heating parameters, and the control component is also connected to the filling and discharging component, and is used to control the filling and discharging component so that the filling and discharging component is filled and discharged according to the target filling and discharging parameters.

[0007] The embodiments of the present application utilize a heating component to heat the metal, and then utilize a filling and discharging component to fill and discharge the metal in a molten state, which is beneficial to avoid cooling and solidification of the metal during the filling and discharging process, thereby ensuring the safety of the filling and discharging device. The filling and discharging component can also replace the gas in the heating component to place the metal in the heating component in an inert atmosphere to avoid reaction between the metal and the air. At the same time, utilizing a control component to control the heating component and the filling and discharging component is beneficial to improving the reliability of the filling and discharging device, thereby enabling it to achieve the purpose of automatically and continuously filling and discharging the molten metal.

[0008] On the second aspect, an embodiment of the present application also provides a method for filling and discharging metal, which includes the following steps: S1. Using a filling and discharging component to replace the gas in the heating component so that the gas atmosphere in the heating component is in an inert atmosphere; S2. Heating the metal in the heating component to melt the metal; S3. Using the filling and discharging component to fill the heating component with metal in a molten state, or to discharge the metal in a molten state in the heating component to transfer the metal in a molten state to the next process; S4. Using a control component to control the heating component so that the heating component is heated according to the target heating parameters; S5. Using the control component to control the filling and discharging component so that the filling and discharging component is filled and discharged according to the target filling and discharging parameters.

[0009] These and other advantages of the present application will become more apparent through the following detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to further illustrate the above and other advantages and features of the present application, the specific embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. The accompanying drawings together with the following detailed description are included in this specification and form a part of this specification. Elements with the same function and structure are represented by the same reference numerals. It should be understood that these drawings only describe typical examples of the present application and should not be regarded as limiting the scope of the present application.

[0011] Figure 1 is a schematic structural diagram of a device for filling and discharging metal according to an embodiment of the present application;

[0012] Figure 2 It is a schematic diagram of the structure of a heating component and a charging and discharging component according to an embodiment of the present application;

[0013] Figure 3 is a schematic structural diagram of a heating assembly according to an embodiment of the present application;

[0014] Figure 4 yes Figure 3 A schematic structural diagram of the heating assembly from another angle shown;

[0015] Figure 5 It is a schematic flow chart of a method for filling and discharging metal according to an embodiment of the present application.

[0016] It should be noted that the drawings are not necessarily drawn to scale, but are merely shown in a schematic manner that does not affect the reader's understanding.

[0017] Description of reference numerals:

[0018] 10. Heating assembly; 11. Container; 111. Main body; 1111. Gas flow opening; 1112. Metal flow opening; 112. Cover; 12. Heating element; 13. Insulation element; 14. Safety valve;

[0019] 20. charging and discharging assembly; 21. gas supply assembly; 211. gas storage container; 212. pressure reducing valve; 22. first connecting assembly; 221. first connecting pipeline; 222. first connecting piece; 23. second connecting assembly; 231. second connecting pipeline; 232. stop valve; 24. vacuum pump;

[0020] 30. Control component; 31. Controller; 32. Measurement component; 321. Temperature measurement component; 322. Pressure measurement component; 33. Communication component. DETAILED DESCRIPTION

[0021] Exemplary embodiments of the present application will be described below in conjunction with the accompanying drawings. For the sake of clarity and conciseness, not all features of the actual implementation are described in the specification. However, it should be understood that many implementation-specific decisions must be made in the process of developing any such actual implementation in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and these constraints may vary from implementation to implementation. In addition, it should be understood that although the development work may be very complex and time-consuming, it is only a routine task for those skilled in the art who benefit from the content of this application.

[0022] It is also necessary to explain here that, in order to avoid obscuring the present application due to unnecessary details, only the device structure and / or processing steps closely related to the scheme according to the present application are shown in the accompanying drawings, while other details that are not very relevant to the present application are omitted.

[0023] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in this application should have the common meanings understood by persons with ordinary skills in the field to which this application belongs.

[0024] In the description of the embodiments of the present application, “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] For the current metal smelting filling and discharging devices, since it is impossible to understand the operating status of the device during the process of conveying tin-bismuth alloy, it is easy for the tin-bismuth alloy to cool and solidify, which in turn causes the filling and discharging pipelines to be blocked, affecting the stability and reliability of the metal smelting filling and discharging process.

[0026] In response to the above technical problems, an embodiment of the present application provides a device for filling and discharging metal. Figure 1 is a schematic diagram of the structure of a device for filling and discharging metal (hereinafter referred to as a filling and discharging device) according to an embodiment of the present application, such as Figure 1 As shown, the charging and discharging device includes: a heating component 10, a charging and discharging component 20 and a control component 30.

[0027] The heating assembly 10 is used to contain metal and is configured to heat the metal to melt the metal.

[0028] The filling and discharging assembly 20 is connected to the heating assembly 10 and is used to fill the molten metal into the heating assembly 10 and discharge the molten metal in the heating assembly 10 to transfer the molten metal to the next process.

[0029] The filling and exhausting assembly 20 is also used to replace the gas in the heating assembly 10 so that the gas atmosphere in the heating assembly 10 is in an inert atmosphere.

[0030] The control component 30 is connected to the heating component 10 for controlling the heating component 10 so that the heating component 10 heats according to the target heating parameters, and the control component 30 is also connected to the charging and discharging component 20 for controlling the charging and discharging component 20 so that the charging and discharging component 20 charges and discharges according to the target charging and discharging parameters.

[0031] The embodiment of the present application utilizes a heating component 10 to heat the metal, and then utilizes a filling and discharging component 20 to discharge the metal in a molten state, which is beneficial to avoid cooling and solidification of the metal during the filling and discharging process, thereby ensuring the safety of the filling and discharging device. The filling and discharging component 20 can also replace the gas in the heating component 10, so that the metal in the heating component 10 is in an inert atmosphere, thereby avoiding reaction between the metal and the air. At the same time, utilizing a control component 30 to control the heating component 10 and the filling and discharging component 20 is beneficial to improving the reliability of the filling and discharging device, thereby achieving the purpose of automatically and continuously filling and discharging the molten metal.

[0032] In some embodiments, the metal is a tin-bismuth alloy.

[0033] In some embodiments, Figure 2 is a schematic diagram of the structure of the heating component and the charging and discharging component according to an embodiment of the present application, such as Figure 2As shown, the filling and exhausting assembly 20 includes a gas supply assembly 21, a first connecting assembly 22 and a second connecting assembly 23, wherein the gas supply assembly 21 is used to store inert gas, and the gas supply assembly 21 is fluidly connected to the heating assembly 10 via the first connecting assembly 22 to replace the gas in the heating assembly 10; the second connecting assembly 23 is fluidly connected to the heating assembly 10 to discharge the metal in a molten state in the heating assembly 10.

[0034] The embodiment of the present application can reduce the space occupied by the filling and exhausting assembly 20 by configuring the filling and exhausting assembly 20 to include a gas supply assembly 21, a first connecting assembly 22 and a second connecting assembly 23, and the arrangement is relatively simple.

[0035] In some embodiments, the gas supply assembly 21 includes a gas storage container 211, a pressure reducing valve 212, and a vacuum pump 24. The gas storage container 211 is used to store inert gas. The pressure reducing valve 212 is disposed at the opening of the gas storage container 211 to adjust the pressure at the opening. The vacuum pump 24 is connected to the gas storage container 211 to evacuate the heating assembly 10 and inject inert gas into the heating assembly 10.

[0036] In some embodiments, the first connection assembly 22 includes a first connection pipeline 221 and a first connection member 222. One end of the first connection pipeline 221 is in fluid communication with the opening of the gas storage container 211 via the pressure reducing valve 212. The other end of the first connection pipeline 221 is in fluid communication with the heating assembly 10 via the first connection member 222.

[0037] In some embodiments, the second connection assembly 23 includes a second connection pipeline 231 and a second connection member. One end of the second connection pipeline 231 is in fluid communication with the heating assembly 10 via the second connection member, and the other end of the second connection pipeline 231 is in fluid communication with the metal storage member ( Figure 2 The heating element 10 is fluidly connected to the heating element 10 (not shown) to transfer the molten metal in the heating element 10 to the metal storage element. The metal storage element is used to store the molten metal.

[0038] In some embodiments, the first connecting pipeline 221 and the second connecting pipeline 231 are metal bellows, and the first connecting member 222 and the second connecting member are threaded connecting members.

[0039] In some embodiments, the second connecting component 23 also includes a shut-off valve 232, which is disposed at one end of the second connecting pipeline 231 close to the heating component 10, and is used to adjust the flow of the metal in the molten state in the second connecting pipeline 231 to ensure the safety of the filling and discharging process.

[0040] In some embodiments, when it is necessary to charge metal into the heating component, the metal in the metal storage component is heated and the second connecting pipe 231 is connected to the metal storage component, and the gas in the heating component 10 is replaced by the vacuum pump 24. After the replacement is completed and the metal in the metal storage component is heated to a predetermined temperature, the stop valve 232 is opened, the pressure reducing valve 212 is adjusted, and the metal in the molten state in the metal storage component is sucked into the container 11 by the vacuum pump 24.

[0041] In some embodiments, Figure 3 is a schematic diagram of the structure of a heating assembly according to an embodiment of the present application, such as Figure 3 As shown, the heating component 10 includes a heating element 12 and a containing element 11, wherein the containing element 11 forms a containing cavity for containing metal, wherein a first connecting component 22 and a second connecting component 23 are respectively connected to the fluid of the containing element 11; the heating element 12 is arranged on the outside of the containing element 11, and is used to heat the metal to melt the metal.

[0042] The embodiment of the present application utilizes a container 11 to contain metal, and then a heating element 12 is disposed on the outside of the container 11, which is beneficial for fully heating the metal in the container 11 and ensuring that the metal can melt, so as to smoothly fill and discharge the molten metal.

[0043] In some embodiments, the heating element 12 is an electric heater.

[0044] In some embodiments, the heating element 12 is further disposed on the second connecting pipeline 231 to heat the second connecting pipeline 231 to prevent the second connecting pipeline 231 from being blocked.

[0045] In some embodiments, the container 11 includes a main body 111 and a cover body 112, the cover body 112 is used to seal the main body 111 to form a container cavity; the main body 111 is used to contain metal, and the main body 111 forms a gas flow port 1111 and a metal flow port 1112, the gas flow port 1111 is fluidly connected to the first connecting component 22 to allow inert gas to enter the main body 111; the metal flow port 1112 is fluidly connected to the second connecting component 23 to fill the molten metal into the heating component 10, or to discharge the molten metal.

[0046] In the embodiment of the present application, the container 11 is configured to include a body 111 and a cover 112 , and then the body 111 is used to contain metal, and the cover 112 is used to seal the body 111 to prevent the metal in the containing cavity from being contaminated by impurities.

[0047] In some embodiments, the body 111 is made of high temperature resistant and corrosion resistant stainless steel to ensure the thermal conductivity of the body 111 .

[0048] In some embodiments, the cover 112 is configured to be openable or closed so as to load metal into the accommodating cavity, which is relatively easy to operate.

[0049] In some embodiments, a predetermined amount of solid metal is weighed in advance, and then the cover 112 of the container 11 is opened to load the predetermined amount of solid metal into the receiving cavity.

[0050] In such an embodiment, the mass of the solid metal to be weighed is determined according to the target filling position in the containing chamber. The target filling position is the liquid level position of the melted metal in the containing chamber.

[0051] In some embodiments, Figure 4 yes Figure 3 A schematic diagram of the structure of the heating component from another angle is shown in FIG. Figure 4 As shown, the heating assembly 10 further includes a safety valve 14 , which is disposed on the cover 112 of the container 11 and is used to adjust the pressure in the accommodating chamber to ensure the safety of the heating assembly 10 .

[0052] In some embodiments, the heating assembly 10 further includes an insulation component 13, which is disposed between the container 11 and the heating component 12 and is used to insulate the metal in the container 11 to further prevent the molten metal from cooling and solidifying during the filling and discharging process, thereby avoiding blockage of the second connecting pipeline 231.

[0053] In some embodiments, the control component 30 includes a controller 31 and a measuring component 32. The measuring component 32 is arranged on the charging and discharging component 20 and the heating component 10, and is used to measure the current heating parameters of the heating component 10 and the current charging and discharging parameters of the charging and discharging component 20; and the measuring component 32 is connected to the controller 31, and is used to send the measured current heating parameters and current charging and discharging parameters to the controller 31; the controller 31 is used to control the heating component 10 according to the current heating parameters, and is used to control the charging and discharging component 20 according to the current charging and discharging parameters.

[0054] The embodiment of the present application utilizes the measuring component 32 to measure the current heating parameters of the heating component 10 and the current charging and discharging parameters of the charging and discharging component 20 and sends them to the controller 31, so that the controller 31 can automatically adjust the working state of the heating component 10 and the charging and discharging component 20 according to the current heating parameters and the current charging and discharging parameters, so that their working states can meet the requirements and have a high degree of automation. At the same time, the heating process and the charging and discharging process can also be monitored in real time to ensure the safety and stability of the charging and discharging device.

[0055] In some embodiments, the controller 31 is a programmable logic controller (PLC).

[0056] In some embodiments, the measuring component 32 includes a temperature measuring component 321 and a pressure measuring component 322 .

[0057] In some embodiments, a temperature measuring member 321 and a pressure measuring member 322 are disposed on an upper portion of the body 111 of the container 11 to measure the temperature and pressure in the container 11 .

[0058] In such an embodiment, the temperature measuring member 321 is disposed inside the accommodating cavity and is configured to be immersed in the metal in a molten state so as to directly measure the temperature of the molten metal with high measurement accuracy.

[0059] In some embodiments, the temperature measuring member 321 may also be disposed at the lower portion of the body 111 of the container 11 and outside the body 111 to measure the temperature of the body 111 .

[0060] In some embodiments, the temperature measuring element 321 is a thermocouple, and the pressure measuring element 322 is a pressure gauge.

[0061] In some embodiments, the control component 30 further includes a communication component 33 , and the controller 31 , the measuring component 32 , the charging and discharging component 20 , and the heating component 10 are connected via the communication component 33 .

[0062] In such an embodiment, the communication member 33 is a cable.

[0063] In some embodiments, the control component 30 also includes an interactive component connected to the controller 31 for outputting current heating parameters and / or current charging and discharging parameters to facilitate operators to monitor the working status of the heating component 10 and the charging and discharging component 20.

[0064] In some embodiments, the interactive component is also used to obtain the target heating parameters and target filling and discharging parameters input by the operator, and send the target heating parameters and target filling and discharging parameters to the controller 31; the controller 31 is also used to control the heating component 10 to heat according to the target heating parameters, and to control the filling and discharging component 20 to fill and discharge the metal in a molten state according to the target filling and discharging parameters.

[0065] The embodiment of the present application obtains the target heating parameters and target charging and discharging parameters input by the operator through the interactive component, which helps the operator to adjust the working status of the heating component 10 and the charging and discharging component 20.

[0066] The embodiment of the present application also provides a method for filling and discharging metal. Figure 5 is a flow chart of a method for charging and discharging metal (hereinafter referred to as the charging and discharging method) according to an embodiment of the present application, such as Figure 5 As shown, the charging and discharging method includes the following steps S1 to S5.

[0067] S1. Use the filling and exhausting assembly 20 to replace the gas in the heating assembly 10 so that the gas atmosphere in the heating assembly 10 is in an inert atmosphere.

[0068] S2. Heating the metal in the heating component 10 to melt the metal.

[0069] S3. Fill the heating component 10 with molten metal using the filling and discharging component 20, or discharge the molten metal in the heating component 10, so as to transfer the molten metal to the next process.

[0070] S4. Use the control component 30 to control the heating component 10 so that the heating component 10 performs heating according to the target heating parameters.

[0071] S5. Use the control component 30 to control the charging and discharging component 20, so that the charging and discharging component 20 performs charging and discharging according to the target charging and discharging parameters.

[0072] The method provided in the embodiment of the present application utilizes a heating component to heat the metal, and then utilizes a filling and discharging component to fill and discharge the metal in a molten state, which is beneficial to avoid cooling and solidification of the metal during the filling and discharging process, thereby ensuring the safety of the filling and discharging device. The filling and discharging component is utilized to displace the gas in the heating component so that the metal in the heating component is in an inert atmosphere to avoid reaction between the metal and the air. At the same time, the control component is utilized to control the heating component and the filling and discharging component, which is beneficial to improving the reliability of the filling and discharging device so that it can achieve the purpose of automatically and continuously filling and discharging the molten metal.

[0073] The following takes tin-bismuth alloy as an example to explain the process of filling and discharging the metal using the filling and discharging device of the embodiment of the present application with reference to specific embodiments.

[0074] (1) Put the solid tin-bismuth alloy into the container 11 according to a predetermined ratio.

[0075] (2) Open the pressure reducing valve 212, fill the container 11 with argon gas for purging to remove oxygen in the container cavity, and then turn on the heating element 12 to heat the solid tin-bismuth alloy. During the heating process, continue to purge argon gas into the container cavity to prevent oxidation of the tin-bismuth alloy inside.

[0076] (3) Turn on the heating element 12 provided on the second connecting pipeline 231 to heat and keep the second connecting pipeline 231 warm. After the tin-bismuth alloy is melted, use a tool to remove impurities.

[0077] (4) The air inlet valve is then closed and the upper flange cover is tightened with bolts to seal it. When the tin-bismuth alloy reaches a specified temperature, pressure is applied to the container 11 to discharge the molten tin-bismuth alloy.

[0078] In some embodiments, when filling the tin-bismuth alloy into the containing chamber, argon gas can be first filled into the containing member 11 for purging, and then the heating member 12 is turned on to preheat the containing member 11 and the filling and discharging assembly 20. After preheating to a predetermined temperature, the second connecting pipeline 231 is connected to the metal storage member and the vacuum pump is turned on to use the vacuum pump to suck the tin-bismuth alloy in the metal storage member into the containing member 11.

[0079] Regarding the embodiments of the present application, it should also be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other to obtain new embodiments.

[0080] The above description is only a specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. The protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A device for filling and discharging metal, characterized in that: It includes: Heating components, charging and exhaust components and control components, among which, The heating assembly is used to contain the metal and is configured to heat the metal to melt the metal; The charging and discharging component is connected to the heating component, and is used to charge the metal in a molten state into the heating component, and to discharge the metal in a molten state in the heating component, so as to transfer the metal in a molten state to the next process; The filling and exhausting assembly is also used to replace the gas in the heating assembly so that the gas atmosphere in the heating assembly is in an inert atmosphere; The control component is connected to the heating component for controlling the heating component so that the heating component performs heating according to target heating parameters, and the control component is also connected to the charging and discharging component for controlling the charging and discharging component so that the charging and discharging component performs charging and discharging according to target charging and discharging parameters.

2. The device according to claim 1, characterized in that The filling and exhausting assembly includes a gas supply assembly, a first connecting assembly and a second connecting assembly, wherein: The gas supply component is used to store inert gas, and the gas supply component is in fluid communication with the heating component via the first connecting component to replace the gas in the heating component; The second connecting component is in fluid communication with the heating component and is used for discharging the metal in a molten state in the heating component.

3. The device according to claim 2, characterized in that The heating assembly comprises a heating element and a receiving element. The receiving member is formed with a receiving cavity, and the receiving cavity is used to receive the metal, wherein the first connecting component and the second connecting component are respectively in fluid communication with the receiving member; The heating element is arranged at the outer side of the containing element, and is used for heating the metal to melt the metal.

4. The device according to claim 3, characterized in that The container comprises a body and a cover. The cover is used to seal the body to form the accommodating cavity; The body is used to contain the metal, and the body forms a gas flow opening and a metal flow opening, The gas flow port is in fluid communication with the first connection assembly so as to allow the inert gas to enter the body; The metal flow port is in fluid communication with the second connection component so as to charge the metal in a molten state into the heating component or discharge the metal in a molten state.

5. The device according to claim 4, characterized in that The cover body is configured to be openable or closable so as to load the metal into the accommodating cavity.

6. The device according to claim 3, characterized in that The heating assembly also includes a heat preservation member, The heat-insulating element is arranged between the containing element and the heating element, and is used for keeping the metal in the containing element warm.

7. The device according to claim 1, characterized in that The control component includes a controller and a measuring component. The measuring component is arranged on the charging and discharging component and the heating component, and is used to measure the current heating parameters of the heating component and the current charging and discharging parameters of the charging and discharging component; The measuring component is connected to the controller and is used to send the current heating parameters and the current charging and discharging parameters obtained by measurement to the controller; The controller is used to control the heating component according to the current heating parameters, and is used to control the charging and discharging component according to the current charging and discharging parameters.

8. The device according to claim 7, characterized in that The control component also includes an interaction component, The interactive component is connected to the controller and is used to output the current heating parameters and / or the current charging and discharging parameters.

9. The device according to claim 8, characterized in that The interactive component is also used to obtain the target heating parameters and the target charging and discharging parameters input by the operator, and send the target heating parameters and the target charging and discharging parameters to the controller; The controller is also used to control the heating component to heat according to the target heating parameters, and to control the filling and discharging component to fill and discharge the metal in a molten state according to the target filling and discharging parameters.

10. A method for filling and discharging metal, characterized in that: It includes the following steps: S1. Using a filling and exhausting assembly to replace the gas in the heating assembly so that the gas atmosphere in the heating assembly is in an inert atmosphere; S2, heating the metal in the heating component to melt the metal; S3, using the filling and discharging component to fill the molten metal into the heating component, or discharging the molten metal in the heating component, so as to transfer the molten metal to the next process; S4, using a control component to control the heating component so that the heating component performs heating according to target heating parameters; S5. Using the control component to control the charging and discharging component, so that the charging and discharging component performs charging and discharging according to target charging and discharging parameters.

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