Charging and unloading device

Abstract

Loading and unloading device, characterized in that the device comprises the following: a charging and discharging mechanism comprising a storage cavity and a charging and discharging module located within the storage cavity; a temperature control mechanism comprising a heat exchange chamber, a liquid heat exchange component and an electric heating component located in the heat exchange chamber, wherein the liquid heat exchange component has a channel for the flow of liquid at a set temperature and the heating temperature of the electric heating component is higher than the set temperature; wherein the heat exchange chamber is connected to the storage cavity, so that the heat exchange medium from the storage cavity enters the heat exchange chamber to exchange heat with the liquid heat exchange component and / or the electric heating component, and the heat exchange medium enters the storage cavity after the heat exchange.

Description

Technical area

[0001] The present application relates to the technical field of formation and sorting systems, in particular a loading and unloading device. background

[0002] Formation is an important step in the lithium battery manufacturing process. Its main function is to activate lithium batteries for the first time and form a solid electrolyte interface (SEI) film on the negative electrode surface of the lithium batteries. Classification consists in charging and discharging the formed batteries and distinguishing the battery capacity, constant current ratio of charging, voltage of the discharge platform, and internal resistance to classify and group them. The constancy of the ambient temperature of the storage location where the charging and discharging equipment (i.e., the formation and capacity separation equipment) is located is beneficial for improving the consistency of battery listing. The more constant the temperature, the better the battery consistency.

[0003] In related technologies, the ambient temperature control of the storage location is mostly achieved through water heat exchange. In particular, the existing loading and unloading equipment is equipped with low-temperature water pipes and high-temperature water pipes. When the ambient temperature of the storage location is lower than the target temperature and the low-temperature water temperature, the low-temperature water is used for heat exchange and heating. When the ambient temperature of the storage location is higher than the low-temperature water temperature and lower than the target temperature and the high-temperature water temperature, the low-temperature water cannot meet the demand for heat exchange and heating. At this time, high-temperature water can be used for heat exchange and heating.

[0004] However, since the existing loading and unloading device is configured with two pipelines that transport water at different temperatures, the two pipelines not only increase the complexity of the pipeline setting but also increase the cost of pipeline setting and maintenance. Disclosure of the application

[0005] In view of the above-mentioned deficiencies in the prior art, the present application provides a loading and unloading device for solving the problem of the art that the complexity of piping setting is increased and the piping setting and maintenance costs are increased due to the configuration of two sets of piping for transporting water of different temperatures.

[0006] To solve the above-mentioned technical problem, the present application, in the first aspect, presents a loading and unloading device comprising: a loading and unloading mechanism comprising a storage cavity and a loading and unloading module located within the storage cavity; a temperature control mechanism comprising a heat exchange chamber, a liquid heat exchange component, and an electric heating component located in the heat exchange chamber, wherein the liquid heat exchange component has a channel for the flow of the liquid at a set temperature, and the heating temperature of the electric heating component is higher than the set temperature; The heat exchange chamber is connected to the storage cavity such that the heat exchange medium from the storage cavity enters the heat exchange chamber to exchange heat with the liquid heat exchange component and / or the electric heating component, and the heat exchange medium enters the storage cavity after heat exchange.

[0007] In one embodiment of the first aspect, the heat exchange medium has a first temperature. The set temperature is higher than the first temperature but lower than the heating temperature of the electric heating component. The liquid heat exchange component is configured to heat the heat exchange medium, and the electric heating component is configured to heat the heat exchange medium heated by the liquid heat exchange component.

[0008] In an embodiment of the first aspect, the heat exchange medium has a second temperature, and the set temperature is lower than the second temperature; The liquid heat exchange component is further configured to cool the heat exchange medium.

[0009] In an embodiment of the first aspect, the set temperature is lower than the temperature of the heat exchange medium, wherein the liquid heat exchange component is configured to cool the heat exchange medium, and the heating temperature of the electric heating component is higher than the temperature of the heat exchange medium, wherein the electric heating component is configured to heat the heat exchange medium.

[0010] In an embodiment of the first aspect, the electrical heating component comprises a heat exchange component having a positive temperature coefficient.

[0011] In one embodiment of the first aspect, a first connecting structure is arranged between the heat exchange chamber and the storage cavity, wherein the first connecting structure is configured such that the heat exchange medium can penetrate from the storage cavity into the heat exchange chamber; A second connecting structure is arranged between the heat exchange chamber and the storage cavity, and the second connecting structure is configured such that the heat exchange medium can enter the storage cavity after heat exchange.

[0012] In an embodiment of the first aspect, the heat exchange medium is transported in the heat exchange chamber in a first direction, the first connecting structure is located upstream of the liquid heat exchange component and the electric heating component in the first direction, and the second connecting structure is located downstream of the liquid heat exchange component and the electric heating component in the first direction.

[0013] In an embodiment of the first aspect, the liquid heat exchange component is arranged in the vicinity of the first connecting structure and the electrical heating component is arranged on a side of the liquid heat exchange component facing away from the first connecting structure.

[0014] In an embodiment of the first aspect, at least one of the first connecting structure and the second connecting structure comprises a conveying component for supplying power for transporting the heat exchange medium.

[0015] In an embodiment of the first aspect, one of the first connecting structure and the second connecting structure comprises a conveying component and the other is a connecting hole.

[0016] In one embodiment of the first aspect, the charging and discharging module includes a module frame and a charging and discharging component located within the module frame. The heat exchange medium includes a gas, and the conveying component includes a fan.

[0017] In an embodiment of the first aspect, the temperature control mechanism further comprises a controller component for controlling the on / off state of the liquid heat exchange component and the electric heating component.

[0018] Compared to the prior art, the present application has at least the following technical effects: Because the heat exchange chamber is connected to the storage cavity, and both the liquid heat exchange component and the electric heating component are located within the heat exchange chamber, the liquid heat exchange component and / or the electric heating component can exchange heat with the heat exchange medium as the medium enters the heat exchange chamber from the storage cavity. This process regulates the temperature of the heat exchange medium. After heat exchange with the liquid heat exchange component and / or the electric heating component, the heat exchange medium can return to the storage cavity with the adjusted temperature. In this way, once its temperature is adjusted, the heat exchange medium regulates the ambient temperature within the storage cavity to meet the process requirements required by the charging and discharging module within the storage cavity.

[0019] Compared to the prior art, the present application achieves a significant technical effect. Since the channel within the liquid heat exchange component serves to conduct the liquid at a set temperature and the electric heating component has a heating temperature above the set temperature, the electric heating component can provide additional heating when the set temperature of the liquid in the liquid heat exchange component is insufficient to meet the heating requirements of the heat exchange medium. Thus, the heated heat exchange medium can increase the ambient temperature in the storage cavity. Since only a set temperature liquid needs to be supplied to the liquid heat exchange component, the technical solution of the present application requires only a single piping system to supply the set temperature liquid to the liquid heat exchange component.There is no need for two separate piping systems to deliver fluids at different temperatures, which helps reduce the complexity of the piping setup and lower costs. Short description of the drawings

[0020] To more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the embodiments are briefly presented below. The following drawings are obviously only some embodiments of the present application. Those skilled in the art may obtain other drawings based on these drawings without performing inventive steps. Fig. Fig. 1 is the first schematic diagrams of the charging and discharging device provided in the embodiment of the present application; Fig. Fig. 2 is the second schematic diagram of the charging and discharging device provided in the embodiment of the present application; Fig. 3 is the third schematic diagram of the loading and unloading device provided in the embodiment of the present application; Fig. Fig. 4 is the fourth schematic diagram of the charging and discharging device provided in the embodiment of the present application; Fig. 5 is a temperature control flowchart of the charging and discharging apparatus provided in the embodiment of the present application. Reference symbol:

[0021] 1-Charger and discharge device; 11-Storage cavity; 12-Charger and discharge module; 121-Module frame; 122-Charger and discharge component; 123-Housing; 13-Storage housing; 2-Temperature control mechanism; 21-Heat exchange chamber; 22-Liquid heat exchange component; 23-Electric heating component; 24-Heat exchange housing; 3-first connection structure; 4-second connection structure; 5-Funding component. Detailed description of the embodiments

[0022] In the following, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without inventive steps fall within the scope of the present application.

[0023] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inside," "outside," "vertical," "horizontal," "lateral," "longitudinal," etc., which indicate the orientation or positional relationship, are based on the orientation or positional relationship illustrated in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not used to limit the specified devices, elements, or components to any particular orientation or to be constructed and operated in any particular orientation.

[0024] In addition to indicating orientation or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "on" may also be used to indicate a specific dependency or connection relationship in some cases. Those of ordinary skill in the art may understand the specific meanings of these terms in the present application depending on the specific circumstances.

[0025] Furthermore, the terms "arrange", "provide", "provided with", "connection" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral structure; it may be a mechanical or electrical connection; further, a direct connection or an indirect connection through an intermediate medium or an internal connection between two devices, elements or components is conceivable. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood depending on the specific circumstances.

[0026] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (the specific types and structures may be the same or different) and are not used to indicate or imply the relative importance and quantity of the specified devices, elements, or components. Unless otherwise noted, "multiple" means two or more.

[0027] As described in the background of the present application, formation in the art is an important step in the manufacturing process of lithium batteries, and its main function is to activate the lithium battery for the first time and generate a solid electrolyte interface (SEI) film on the negative electrode surface of the lithium battery. Classification consists in charging and discharging the formed battery, and distinguishing the battery capacity, constant current ratio of charging, discharge platform voltage, and internal resistance through statistics, and classifying and grouping them. The constancy of the ambient temperature of the storage location where the charging and discharging equipment (ie, the formation and sorting equipment) is located contributes to improving the consistency of the battery load. The more constant the temperature, the better the consistency of the battery.

[0028] In engineering, the ambient temperature control of the storage location is usually achieved through water heat exchange. Specifically, the existing loading and unloading equipment is equipped with a low-temperature water pipe and a high-temperature water pipe. When the ambient temperature of the storage location is lower than the target temperature and the low-temperature water temperature, the low-temperature water is used for heat exchange and heating. When the ambient temperature of the storage location is higher than the low-temperature water temperature and lower than the target temperature and the high-temperature water temperature, the low-temperature water cannot meet the heat exchange and heating needs. At this time, high-temperature water can be used for heat exchange and heating.

[0029] However, since the existing loading and unloading device is usually equipped with two pipelines that transport water at different temperatures, the two sets of pipelines not only increase the complexity of the pipeline setting but also increase the cost of pipeline setting and maintenance.

[0030] In view of the above problems, the present application provides a loading and unloading device to solve the problem that the complexity of pipeline adjustment and the cost of pipeline adjustment and maintenance are increased due to the configuration of two pipelines for transporting water at different temperatures in the art.

[0031] The technical solution of the present application is further explained in combination with specific embodiments and drawings below:

[0032] As in Fig. 1, the loading and unloading device includes a loading and unloading mechanism 1 and a temperature control mechanism 2, wherein the loading and unloading mechanism 1 includes a storage cavity 11 and a loading and unloading module 12 located in the storage cavity 11. The temperature control mechanism 2 includes a heat exchange chamber 21, a liquid heat exchange component 22 disposed in the heat exchange chamber 21, and an electric heating component 23. A channel for the flow of a liquid of a set temperature is provided in the liquid heat exchange component 22, and the heating temperature of the electric heating component 23 is higher than the above-mentioned set temperature.

[0033] The heat exchange chamber 21 is connected to the storage cavity 11, so that the heat exchange medium in the storage cavity 11 enters the heat exchange chamber 21 to exchange with the liquid heat exchange component 22 and / or the electric heating component 23, and the heat exchange medium enters the storage cavity 11 after the heat exchange.

[0034] Since the heat exchange chamber 21 is connected to the storage cavity 11 and both the liquid heat exchange component 22 and the electric heating component 23 are located within the heat exchange chamber 21, the liquid heat exchange component 22 and / or the electric heating component 23 can exchange heat with the heat exchange medium as the medium enters the heat exchange chamber 21 from the storage cavity 11. This process regulates the temperature of the heat exchange medium. After heat exchange with the liquid heat exchange component 22 and / or the electric heating component 23, the heat exchange medium can re-enter the storage cavity 11 with the changed temperature. After its temperature adjustment, the heat exchange medium can adjust the ambient temperature within the storage cavity 11 to meet the process requirements required by the charging and discharging module 12 within the storage cavity 11.

[0035] Compared to the prior art, this solution achieves a significant technical effect. Since the fluid flows through the channel within the liquid heat exchange component 22 at a set temperature and the electric heating component 23 has a heating temperature higher than the set temperature of the fluid flowing through the liquid heat exchange component 22, the electric heating component 23 can perform additional heating when the set temperature of the fluid in the liquid heat exchange component 22 is insufficient to meet the heating requirements of the heat exchange medium. Thus, the heated heat exchange medium can increase the ambient temperature in the storage cavity.Since only one set temperature fluid needs to be supplied to the liquid heat exchange component 22, the present application therefore requires only a single piping system to deliver the set temperature fluid to the liquid heat exchange component 22. There is no need for two separate piping systems to deliver fluids at different temperatures, which helps reduce the complexity of the piping setup and lowers the cost of the piping setup.

[0036] In the preferred embodiment, the liquid heat exchange component 22 is a tube-fin heat exchanger. Since tube-fin heat exchangers offer high heat exchange efficiency, configuring the liquid heat exchange component 22 as a tube-fin heat exchanger increases its efficiency and thereby improves the heat exchange performance between the liquid heat exchange component 22 and the heat exchange medium.

[0037] In other embodiments, the liquid heat exchange component 22 may also be a shell-and-tube heat exchanger. Given the low cost and ease of maintenance of shell-and-tube heat exchangers, using this configuration for the liquid heat exchange component 22 helps reduce costs and facilitates convenient cleaning and maintenance.

[0038] The fluid flowing through the channel within the liquid heat exchange component 22 may include water, solutions, or waste fluids containing impurities. The choice of fluid type is flexible and can be determined based on practical requirements, and the present applications do not describe the details thereof.

[0039] Regarding the heating temperature of the electric heating component 23, it should be clarified that this temperature refers to the temperature after the electric heating component 23 converts electrical energy into heat energy, and not to the initial temperature of the electric heating component 23 itself.

[0040] For the liquid heat exchange component 22 and the electric heating component 23, in some embodiments, the heat exchange medium has a first temperature, where the set temperature is greater than the first temperature and the set temperature is less than the heating temperature of the electric heating component 23. The liquid heat exchange component 22 is used to heat the heat exchange medium, and the electric heating component 23 is used to heat the heat exchange medium after it has been heated by the liquid heat exchange component 22.

[0041] After the liquid heat exchange component 22 heats the heat exchange medium, the electric heating component 23 is used to further heat the heat exchange medium. In this way, not only can the liquid heat exchange component 22 and the electric heating component 23 be used to raise the temperature of the heat exchange medium so that the temperature of the heat exchange medium reaches the required temperature, but also the heating time of the electric heating component 23 can be reduced, that is, the working time of the electric heating component 23 can be reduced, which contributes to reducing the power consumption of the electric heating component 23 and reducing costs.

[0042] In a preferred embodiment, for the loading and unloading device, whether it is a feeder (i.e., when the facility is in a formation process) or not, the temperature of the storage environment in the storage cavity 11 must be constantly ensured at 45 ± 3 °C, and the channel in the liquid heat exchange component 22 is for the passage of 40 °C water. When the loading and unloading device is first started, the ambient temperature of the storage location does not exceed 40 °C and has a large temperature difference of 40 °C. At this time, the temperature of the heat exchange medium is the first temperature, i.e., the first temperature does not exceed 40 °C.After the heat exchange medium enters the heat exchange chamber 21 from the storage cavity 11, only the liquid heat exchange component 22 is used to heat the heat exchange medium, so that the temperature of the heat exchange medium is increased, which can save energy; When the ambient temperature of the storage place does not exceed 40 °C and has a small temperature difference of 40 °C, the temperature of the heat exchange medium is also the first temperature, and the electric heating component 23 is turned on, and the heat exchange medium heated by the liquid heat exchange component 22 is heated by the electric heating component 23.

[0043] When the ambient temperature of the storage location exceeds 40°C, the temperature of the heat exchange medium is not the first temperature, and the liquid heat exchange component 22 is not used, and only the electric heating component 23 is used to heat the heat exchange medium. When the ambient temperature of the storage location rises to approximately 45°C, the electric heating component 23 is turned off. At this time, the ambient temperature of the storage location can meet the process requirements of the charging and discharging module 12.In addition, in order to reduce natural heat dissipation, an insulation design is also carried out around the loading and unloading device, which can reduce the surface temperature of the storage area and thereby reduce the difference between the surface temperature of the loading and unloading mechanism and the workshop environment, which helps to reduce the natural heat dissipation of the loading and unloading device and keep the ambient temperature of the storage area at about 45 °C.

[0044] In addition, the heat exchange medium further has a second temperature, the set temperature is lower than the second temperature, and the liquid heat exchange component 22 is further used to cool the heat exchange medium.

[0045] In this way, the liquid heat exchange component 22 based on the combination of liquid heating and electric heating can also be used to cool the heat exchange medium when the temperature of the heat exchange medium is higher than the above-mentioned set temperature, so that the liquid in the liquid heat exchange component 22 can cool in a high-temperature environment, and the liquid in the liquid heat exchange component 22 can also be used for other heating purposes, thereby reducing the energy consumption of the boiler and effectively utilizing the heat load of the storage place, thereby reducing the running cost of the workshop and achieving the goal of energy saving and consumption reduction.

[0046] In a preferred embodiment, when the ambient temperature of the storage location exceeds 45 °C and there is a large temperature difference of 45 °C, the temperature of the heat exchange medium is the second temperature, that is, the second temperature exceeds 45 °C, and the liquid heat exchange component 22 through which the 40 °C water flows has the ability to cool, and the liquid heat exchange component 22 is turned on to cool the heat exchange medium, so that the ambient temperature of the storage location is reduced, and the heat generated in the storage cavity 11 can heat the water in the liquid heat exchange component 22 to facilitate the hot water boiler.

[0047] For the liquid heat exchange component 22 and the electric heating component 23, in other embodiments, the above-mentioned setting temperature is lower than the temperature of the heat exchange medium, and the liquid heat exchange component 22 is used to cool the heat exchange medium; the heating temperature of the electric heating component 23 is higher than the temperature of the heat exchange medium, and the electric heating component 23 is used to heat the heat exchange medium.

[0048] In this way, water cooling and electric heating are used to cool and raise the temperature of the storage environment, respectively, which can simplify the heating and cooling of the storage environment and thus facilitate the control of the temperature of the storage environment.

[0049] In the preferred embodiment, the temperature of the storage environment in the storage cavity 11 must be maintained at approximately 25°C, and the temperature of the water flowing through the liquid heat exchange component 22 must be below 25°C. When the storage environment temperature is below 25°C, the electric heating component 23 can be used for heating to heat the storage environment temperature to 25°C, since the liquid heat exchange component 22 cannot be used to heat the storage environment temperature to 25°C, which facilitates heating of the storage environment temperature. When the storage environment temperature is higher than 25°C, the liquid heat exchanger 22, through which water at a temperature below 25°C flows, can be used for cooling to cool the storage environment temperature to 25°C, thereby facilitating cooling of the storage environment temperature.

[0050] For the electrical heating component 23, the electrical heating component 23 in the preferred embodiment is further a heat exchange component with a positive temperature coefficient (positive temperature coefficient, referred to as PTC for short).

[0051] With such a setup, the storage environment temperature can be controlled by combining liquid temperature control and PTC temperature control. Since the PTC heat exchange component is an automatic constant temperature heat exchange device, it is advantageous to improve the control accuracy of the storage environment temperature. Since the PTC heat exchange component simultaneously has low power consumption and a long service life, it can also reduce the power consumption of the electric heating component 23, extend its service life, and thus reduce costs.

[0052] In other embodiments, the electrical heating component 23 may also be an electromagnetic heating component. Configuring the electrical heating component 23 as an electromagnetic heating component facilitates heating of the heat exchange medium by the electrical heating component 23.

[0053] As in Fig. 1, a first connecting structure 3 is provided between the heat exchange chamber 21 and the storage cavity 11, and the first connecting structure 3 is used for the heat exchange medium to enter the heat exchange chamber 21 from the storage cavity 11; A second connecting structure 4 is further provided between the heat exchange chamber 21 and the storage cavity 11, and the second connecting structure 4 is used for the heat exchange medium to enter the storage cavity 11 after heat exchange.

[0054] Thus, the connection setting between the heat exchange chamber 21 and the storage cavity 11 is optimized. Through the first connection structure 3 and the second connection structure 4, the heat exchange medium can enter the heat exchange chamber 21 and the storage cavity 11 from different connection structures, thereby avoiding the interference of the heat exchange medium entering the heat exchange chamber 21 with the storage cavity 11, thus ensuring the temperature of the heat exchange medium after heat exchange.

[0055] In other embodiments, one, three, or more connecting structures may be provided between the heat exchange chamber 21 and the storage cavity 11, and the number of connecting structures can be flexibly adjusted. Specifically, it can be adjusted according to actual usage requirements, and the embodiment of the present application will not be explained in detail.

[0056] As for the positional relationship, the heat exchange medium is used as shown in Fig. 1, in the heat exchange chamber 21 along the first direction (which is indicated by the arrow in the heat exchange chamber 21 in Fig. 1), and the first connecting structure 3 is located upstream of the liquid heat exchange component 22 and the electric heating component 23 in the first direction, and the second connecting structure 4 is located downstream of the liquid heat exchange component 22 and the electric heating component 23 in the first direction.

[0057] In this way, the positional relationship between the first connecting structure 3 and the second connecting structure 4 and the liquid heat exchange component 22 and the electric heating component 23 is optimized, so that the heat exchange medium can complete the heat exchange with the liquid heat exchange component 22 and the electric heating component 23 in the process of flowing from the first connecting structure 3 to the second connecting structure 4, which can shorten the flow time of the heat exchange medium in the heat exchange chamber 21 to a certain extent and is conducive to improving the efficiency.

[0058] Furthermore, as in Fig. 1, the liquid heat exchange component 22 is arranged near the first connecting structure 3 and the electrical heating component 23 is arranged on the side of the liquid heat exchange component 22 facing away from the first connecting structure 3.

[0059] The liquid heat exchange component 22 is arranged near the first connecting structure 3, so that the heat exchange medium can directly exchange heat with the liquid heat exchange component 22 after entering the heat exchange chamber 21 through the first connecting structure 3, which can contribute to improving the heating or cooling efficiency of the heat exchange medium. The electric heating component 23 is arranged on the side of the liquid heat exchange component 22 facing away from the first connecting structure 3, thereby optimizing the positional relationship between the electric heating component 23 and the liquid heat exchange component 22 and facilitating the electric heating component 23 to heat the heat exchange medium after being heated by the liquid heat exchange component 22.

[0060] For the first connecting structure 3 and the second connecting structure 4, at least one of the first connecting structure 3 and the second connecting structure 4 further includes a conveying component 5, and the conveying component 5 is used to provide power for conveying the heat exchange medium.

[0061] The supply of power for conveying the heat exchange medium by the conveying component 5 is not only advantageous for introducing the heat exchange medium into the heat exchange chamber 21 or the storage cavity 11 through the connecting structure in which the conveying component 5 is located, but also better for increasing the flow rate of the heat exchange medium, thereby increasing the heat exchange effect between the heat exchange medium and the loading and unloading module 12.

[0062] Furthermore, one of the first connecting structure 3 and the second connecting structure 4 includes the conveying component 5 and the other is a connecting hole.

[0063] In this way, the conveying component 5 can not only supply power for the heat exchange medium to enter the heat exchange chamber 21 from the storage cavity 11, but also supply power for the heat exchange medium to enter the storage cavity 11 from the heat exchange chamber 21. At the same time, such an adjustment can also reduce the number of conveying components 5, which benefits cost reduction.

[0064] In a preferred embodiment, the first connecting structure 3 is as shown in Fig. 1, a connection hole, and the second connection structure 4 includes a conveying component 5. In this way, by means of the conveying component 5, it is advantageous to increase the speed at which the heat exchange medium enters the storage cavity 11 from the heat exchange chamber 21, which is advantageous to reduce the heat loss of the heat exchange medium after heat exchange and thus advantageous to ensure the influence that the control of the heat exchange medium has on the storage ambient temperature.

[0065] In another embodiment, as in Fig. As shown in Figure 2, the first connecting structure 3 includes a conveying component 5, and the second connecting structure 4 is a connecting hole. This makes it possible to increase the speed at which the heat exchange medium enters the heat exchange chamber 21 from the storage cavity 11, and is thus advantageous for enhancing the heat exchange effect between the heat exchange medium and the liquid heat exchange component 22 and the electric heating component 23.

[0066] In other embodiments, the first connection structure 3 and the second connection structure 4 may both be connection holes, or the first connection structure 3 and the second connection structure 4 may both include a conveying component 5. The structural configuration of the first connection structure 3 and the second connection structure 4 is relatively flexible and can be specifically determined according to actual use, and the embodiment of the present application will not be explained.

[0067] In the charging and discharging module 12, in a preferred embodiment, the charging and discharging module 12 further comprises a module frame 121 and a charging and discharging component 122 located in the module frame 121. The heat exchange medium is gas, and the conveying component 5 is a fan.

[0068] With such a configuration, the gas acting as the heat exchange medium can directly contact the charging and discharging component via the module frame 121 for heat exchange, thereby improving the heat exchange effect between the charging and discharging module 12 and the heat exchange medium. Furthermore, the fan facilitates the transport of the gas as the heat exchange medium.

[0069] In another embodiment, as in Fig. As shown in Figure 3, the loading and unloading module 12 includes a closed housing 123, and the loading and unloading component 122 is located within the housing 123. In this case, the heat exchange medium may be a liquid, and the conveying component 5 may be a conveying pump. In this way, heat exchange between the loading and unloading module 12 is performed using the liquid, which contributes to enhancing the heat exchange effect between the loading and unloading module 12 and the heat exchange medium. At the same time, the conveying pump facilitates the supply of the liquid as the heat exchange medium.

[0070] In a preferred embodiment, the temperature control mechanism 2 further includes a controller component (not shown in the drawing) used to control the switching on or off of the liquid heat exchange component 22 and the electric heating component 23.

[0071] The controller component controls the switching on or off of the liquid heat exchange component 22 and the electric heating component 23, which facilitates the switching of the on or off states of the liquid heat exchange component 22 and the electric heating component 23 and further facilitates the control of the heat exchange between the liquid heat exchange component 22 and the electric heating component 23 and the heat exchange medium.

[0072] It should be noted that the controller component may include only one controller, that is, the liquid heat exchange component 22 and the electric heating component 23 are controlled by one controller to turn on or off; of course, the controller component may also include two controllers, that is, the liquid heat exchange component 22 and the electric heating component 23 are each controlled by two controllers to turn on or off.

[0073] As in Fig. 1, the charging and discharging mechanism 1, in a preferred embodiment, includes a storage housing 13 used to enclose a storage cavity 11; the temperature control mechanism 2 includes a heat exchange housing 24 used to enclose a heat exchange chamber 21 together with the storage housing 13.

[0074] The storage housing 13 and the heat exchange housing 24 facilitate the enclosing of the storage cavity 11 and the heat exchange chamber 21. At the same time, the heat exchange housing 24 and the storage housing 13 surround the heat exchange chamber 21, which can reduce the size of the housings to a certain extent, reduce the material used for the housing, and thus contribute to cost reduction.

[0075] In another embodiment, as in Fig. 4, the storage case 13 is used to enclose the storage cavity 11, and the heat exchange case 24 is used to enclose the heat exchange chamber 21. Using the storage case 13 and the heat exchange case 24 to separately enclose the corresponding storage cavity 11 and the heat exchange chamber 21 can reduce the influence of other cases on the airtightness of the storage cavity 11 and the heat exchange chamber 21 to a certain extent, which contributes to ensuring the airtightness of the storage cavity 11 and the heat exchange chamber 21.

[0076] A temperature control method of the charging and discharging device in the embodiment of the present application is as follows:

[0077] As in Fig. 5, the ambient temperature of the storage location does not exceed 35°C when the loading and unloading device is first started. At this time, only the liquid heat exchange component 22 is turned on to heat the heat exchange medium; after heating by the liquid heat exchange component 22 for a certain time, when the ambient temperature of the storage location is greater than 35°C and not more than 40°C, the electric heating component 23 is turned on, and the heat exchange medium is heated by the electric heating component 23 and the liquid heat exchange component 22 together, and the electric heating component 23 heats the heat exchange medium heated by the liquid heat exchange component 22.

[0078] As in Fig. As shown in Figure 5, when the ambient temperature of the storage location is greater than 40°C and does not exceed 45°C, the liquid heat exchange component 22 through which water flows at 40°C has no heating effect on the heat exchange medium after the electric heating component 23 and the liquid heat exchange component 22 have jointly performed heating for a certain period of time. The liquid heat exchange component 22 is turned off, and only the electric heating component 23 is used to heat the heat exchange medium.After the electric heating component 23 has performed heating for a certain period of time, when the ambient temperature of the storage is greater than 45°C and not more than 46°C, no further heating is required, so the electric heating component 23 is turned off again because the ambient temperature of the storage is within the temperature range required by the process of the charging and discharging module 12.

[0079] During the formation process, a large current is used to charge the lithium battery. The lithium batteries, power cables, probes, etc. in the storage unit all generate heat, and the ambient temperature of the storage unit will gradually rise. As shown in Fig.As shown in Figure 5, the liquid heat exchange component 22 for flowing water at 40°C has the ability to cool when the ambient temperature of the storage tank rises above 46°C. The liquid heat exchange component 22 is activated to cool the heat exchange medium and thus lower the ambient temperature of the storage tank, so that the ambient temperature of the storage tank is maintained at 45 ± 2°C.

[0080] Finally, it should be noted that the above-mentioned embodiments serve only to illustrate the technical solutions of the present application and do not limit them. Although the present application has been described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that they may still modify the technical solutions described in the above-mentioned embodiments or replace some or all of the technical features included therein with equivalents. However, these modifications or replacements do not cause the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

[1] Loading and unloading device, characterized by that the device comprises: a loading and unloading mechanism comprising a storage cavity and a loading and unloading module located within the storage cavity; a temperature control mechanism comprising a heat exchange chamber, a liquid heat exchange component, and an electric heating component located in the heat exchange chamber, wherein the liquid heat exchange component has a channel for the flow of the liquid at a set temperature, and the heating temperature of the electric heating component is higher than the set temperature; wherein the heat exchange chamber is connected to the storage cavity such that the heat exchange medium enters the heat exchange chamber from the storage cavity to exchange heat with the liquid heat exchange component and / or the electric heating component, and the heat exchange medium enters the storage cavity after the heat exchange. [2] Loading and unloading device according to claim 1, characterized by in that the heat exchange medium has a first temperature, wherein the set temperature is higher than the first temperature but lower than the heating temperature of the electrical heating component, wherein the liquid heat exchange component is configured to heat the heat exchange medium and the electrical heating component is configured to heat the heat exchange medium heated by the liquid heat exchange component. [3] Loading and unloading device according to claim 2, characterized bythat the heat exchange medium has a second temperature, wherein the set temperature is lower than the second temperature; wherein the liquid heat exchange component is further configured to cool the heat exchange medium. [4] Loading and unloading device according to claim 1, characterized by that the set temperature is lower than the temperature of the heat exchange medium, wherein the liquid heat exchange component is configured to cool the heat exchange medium, and the heating temperature of the electrical heating component is higher than the temperature of the heat exchange medium, wherein the electrical heating component is configured to heat the heat exchange medium. [5] Loading and unloading device according to one of claims 1 to 4, characterized by that the electrical heating component comprises a heat exchange component with a positive temperature coefficient. [6] Loading and unloading device according to one of claims 1 to 4, characterized by , that a first connecting structure is arranged between the heat exchange chamber and the storage cavity, wherein the first connecting structure is configured so that the heat exchange medium can enter the heat exchange chamber from the storage cavity; a second connecting structure is arranged between the heat exchange chamber and the storage cavity, wherein the second connecting structure is configured so that the heat exchange medium can enter the storage cavity after the heat exchange. [7] Loading and unloading device according to claim 6, characterized bythat the heat exchange medium is transported in the heat exchange chamber in a first direction, wherein the first connecting structure is located upstream of the liquid heat exchange component and the electrical heating component in the first direction and the second connecting structure is located downstream of the liquid heat exchange component and the electrical heating component in the first direction. [8] Loading and unloading device according to claim 7, characterized by that the liquid heat exchange component is arranged near the first connecting structure and the electrical heating component is arranged on a side of the liquid heat exchange component facing away from the first connecting structure. [9] Loading and unloading device according to claim 6, characterized bythat at least one of the first connecting structure and the second connecting structure comprises a conveying component for providing the power for transporting the heat exchange medium. [10] Loading and unloading device according to claim 9, characterized by that one of the first connecting structure and the second connecting structure comprises a conveying component and the other is a connecting hole. [11] Loading and unloading device according to claim 9, characterized by that the charging and discharging module comprises a module frame and a charging and discharging component located within the module frame, wherein the heat exchange medium contains a gas and the conveying component contains a fan. [12] Loading and unloading device according to one of claims 1 to 4, characterized bythat the temperature control mechanism further comprises a controller component for controlling the on / off state of the liquid heat exchange component and the electric heating component.

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