Water vapor treatment device in battery box, battery and power utilization device

Abstract

The utility model relates to the technical field of batteries, and provides a water vapor treatment device in a battery box, a battery and a power utilization device. The device for treating the water vapor in the battery box comprises a condensation assembly, which comprises a condensation device and a water collection tank arranged below the condensation device, and the condensation device is used for condensing the water vapor in the battery box into liquid water; and the liquid storage tank is arranged below the condensation assembly and is communicated with the water collecting tank. Through the technical scheme of the invention, the problems that the internal humidity of the battery box is increased, an internal circuit is easy to be short-circuited and metal parts are easy to be corroded due to the fact that water vapor enters the battery box can be improved, and the use safety and the service life of the battery are favorably improved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a water vapor treatment device inside a battery box, a battery, and an electrical device. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] At present, with the rapid development of new energy vehicles, power batteries are increasingly entering the public eye.

[0004] Among them, during the long-term use of power batteries, water vapor on the outside of the battery box will enter the battery box through some structures such as the explosion-proof valve, and liquefy on the inner wall of the battery box to produce condensed water. The condensed water produced causes the humidity inside the battery box to increase, which in turn makes it easy for circuit short circuits and metal parts to be corroded inside the battery box, affecting the safety and service life of the power battery. Utility Model Content

[0005] In view of the above problems, the purpose of this application is to provide a battery box internal water vapor treatment device, a battery and an electrical device, so as to improve the problem of increased humidity inside the battery box due to water vapor entering the battery box, and help improve the safety and service life of the battery. This purpose is achieved through the following technical solutions:

[0006] In a first aspect, the present application provides a device for handling water vapor inside a battery box, comprising: a condensation assembly, comprising a condensation device and a water collecting tank disposed below the condensation device, wherein the condensation device is used to condense the water vapor in the battery box into liquid water; and a liquid storage tank disposed below the condensation assembly and connected to the water collecting tank.

[0007] In the technical solution of the present embodiment, the condensation assembly and the liquid storage tank are used to be arranged in the battery box, and the condensation assembly includes a condensation device and a water collecting tank located below the condensation device. The water vapor (including water vapor) inside the battery box will be preferentially condensed into liquid water on the condensation device, and the condensed liquid water will be collected in the water collecting tank. Since the water collecting tank is connected with the liquid storage tank, the liquid water in the water collecting tank can be collected in the liquid storage tank, which can effectively improve the problem of increased moisture inside the battery box caused by condensation of water vapor on the inner wall of the battery box. At the same time, it can also reduce the risk of short circuit caused by water vapor forming condensation on the inner wall of the battery box and dripping into the internal circuit of the battery, and can reduce the corrosion of metal parts inside the battery box, thereby improving the safety and service life of the battery.

[0008] In addition, the battery box internal water vapor treatment device provided by the present application may also have the following additional technical features:

[0009] In some embodiments of the present application, the condensation component also includes an outer shell, which is covered on the outside of the condensation device and connected to the peripheral side of the water collecting tank, and at least one guide port is provided on the top of the outer shell, and a fan is provided in the guide port or the outer shell, and the fan is used to suck water vapor in the battery box into the outer shell.

[0010] By providing a shell outside the condensing device, and connecting the shell to the peripheral side of the water collecting tank, the condensing device can be protected to reduce the risk of interference between the condensing device and the internal structural parts of the battery box. By providing a guide port at the top of the shell and installing a fan in the guide port, when the fan is running, the water vapor inside the battery box can be quickly sucked into the shell, so as to improve the efficiency of the water vapor inside the battery box being liquefied into liquid water by the condensing device and collected.

[0011] In some embodiments of the present application, a support frame is provided in the water collecting tank, and the condensing device is supported by the support frame above the water collecting tank.

[0012] The condensing device is supported to a certain height by a support frame so that the bottom of the condenser does not contact the water collecting tank, so that water vapor will liquefy into liquid water after encountering the condensing device and then drip into the water collecting tank, and quickly flow from the water collecting tank to the liquid storage tank.

[0013] In some embodiments of the present application, the bottom wall surface of the water collecting trough is an inclined surface extending obliquely from top to bottom, and a drainage hole is provided at the lowest point of the inclined surface, and the drainage hole is connected to the liquid storage tank.

[0014] By setting the bottom wall of the water collection trough as a slope inclined from top to bottom, the condensed water in the water collection trough can automatically flow into the drain hole along the slope, so that the condensed water can quickly flow into the liquid storage tank through the drain hole, thereby improving the efficiency of the condensed water in the water collection trough flowing into the liquid storage tank.

[0015] In some embodiments of the present application, a guide pipe is provided on the top of the liquid storage tank, the guide pipe is connected to the drainage hole, and the guide pipe is provided with a control valve.

[0016] The top of the liquid storage tank is connected to the water collecting tank through a guide pipe. When the control valve on the guide pipe is opened, the liquid storage tank and the water collecting tank are connected, so that the condensed water in the water collecting tank can enter the liquid storage tank through the drainage hole and the guide pipe in turn for storage, thereby reducing the safety risk caused by the condensation of water vapor into condensed water and dripping along the inner wall of the battery box to the circuit inside the battery box, causing a short circuit in the battery.

[0017] In some embodiments of the present application, the condensing device includes a condensing plate and / or a semiconductor refrigeration plate.

[0018] The condensing sheet can rapidly cool the water vapor or steam inside the battery box at the location of the condensing sheet through the process of heat conduction and phase change, and convert it into liquid water, which eventually drips into the water collecting tank and flows to the liquid storage tank.

[0019] The semiconductor refrigeration plate has a cooling surface and a heat dissipation surface. The water vapor inside the battery box will be cooled preferentially on the cooling surface of the semiconductor refrigeration plate and converted into liquid water, eventually dripping into the water collecting tank and flowing to the liquid storage tank.

[0020] In some embodiments of the present application, there are multiple condensing devices, and the multiple condensing devices are arranged above the water collecting tank at intervals.

[0021] The number of condensation devices is increased, thereby improving the efficiency of condensing and liquefying the water vapor inside the battery box.

[0022] In some embodiments of the present application, a drain valve is provided at the bottom of the liquid storage tank, and the drain valve is used to drain the liquid water in the liquid storage tank.

[0023] By arranging a drain valve at the bottom of the liquid storage tank, the liquid water in the liquid storage tank can be discharged by opening the drain valve without the need to extract or pour out other equipment parts, thereby improving the convenience of draining the liquid storage tank.

[0024] In some embodiments of the present application, the liquid storage tank is provided with a liquid level detection component.

[0025] The liquid level in the liquid storage tank can be detected in real time by the liquid level detection component, so that the operator can control the opening or closing of the drain valve according to the liquid level in the liquid storage tank detected by the liquid level detection component, thereby reducing the risk of overflow of excessive condensed water in the liquid storage tank.

[0026] In some embodiments of the present application, the internal water vapor processing device of the battery box also includes: a humidity sensor, which is used to detect the humidity inside the battery box; and / or, the internal water vapor processing device of the battery box also includes: a temperature sensor, which is used to detect the temperature inside the battery box.

[0027] By setting up a humidity sensor, the humidity sensor and the condensation device can be electrically connected to the control system of the battery or the electrical device respectively, so that the humidity information inside the battery box detected by the humidity sensor can be sent to the control system in real time. When the humidity sensor detects that the humidity inside the battery box reaches a preset humidity threshold, the control system controls the start-up of the condensation device to use the condensation device to quickly condense and liquefy the water vapor in the battery box and collect it into a liquid storage tank. There is no need to manually start the condensation device, thereby improving the automation level of the product.

[0028] Similarly, by setting up a temperature sensor, the temperature sensor and the condensation device can be electrically connected to the control system of the battery or the electrical device respectively. In this way, the temperature information inside the battery box detected by the temperature sensor can be sent to the control system in real time. When the temperature sensor detects that the temperature inside the battery box reaches the preset temperature threshold, the control system controls the start-up of the condensation device to use the condensation device to quickly condense and liquefy the water vapor in the battery box and collect it into a liquid storage tank. There is no need to manually start the condensation device, thereby improving the automation level of the product.

[0029] In a second aspect, the present application provides a battery, comprising: a battery box, defining a accommodating cavity; a battery cell, accommodated in the accommodating cavity; and a battery box internal water vapor treatment device as described in any one of the embodiments of the first aspect, disposed in the battery box.

[0030] The battery provided according to the embodiment of the present application includes the battery box internal water vapor treatment device described in any one of the embodiments of the first aspect, and therefore has the technical effects of any of the above embodiments, which will not be repeated here.

[0031] In a third aspect, the present application provides an electrical device, comprising a battery as described in the embodiment of the second aspect, wherein the battery is used to power the electrical device.

[0032] The electrical device provided according to the embodiment of the present application includes the battery described in the embodiment of the second aspect, and thus has the technical effects described in any of the above embodiments, which will not be repeated here.

[0033] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0035] Figure 1 A schematic structural diagram of a water vapor treatment device inside a battery box from one perspective provided in some embodiments of the present application;

[0036] Figure 2 for Figure 1 A schematic structural diagram of the water vapor treatment device inside the battery box from another perspective;

[0037] Figure 3 A schematic structural diagram of another battery box internal water vapor treatment device from one perspective provided in some embodiments of the present application.

[0038] The reference numerals are as follows:

[0039] 100. Water vapor treatment device inside the battery box;

[0040] 10. Condensation assembly; 11. Condensation device; 12. Water collecting tank; 13. Housing; 14. Fan; 111. Condensation sheet; 112. Semiconductor refrigeration sheet; 121. Support frame; 122. Drain hole;

[0041] 20. Liquid storage tank; 21. Drain valve;

[0042] 30. Flow guide pipe; 31. Control valve. DETAILED DESCRIPTION

[0043] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0045] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0046] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0047] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0048] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0049] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0050] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0051] At present, from the perspective of market development, the application of power batteries is becoming more and more extensive. Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of the application field of power batteries, the market demand is also constantly expanding.

[0052] As the core part of new energy vehicles, the safety and reliability of power batteries are extremely important. During the long-term use of power batteries, water vapor outside the battery box will enter the battery box through some structures such as explosion-proof valves, and liquefy on the inner wall of the battery box to produce condensed water. The condensed water will increase the humidity inside the battery box, which will lead to problems such as circuit short circuits and corrosion of metal parts inside the battery box, affecting the safety and service life of the power battery.

[0053] In order to solve the problems that the water vapor entering the battery box is easy to liquefy on the inner wall of the battery box to produce condensed water, resulting in increased humidity inside the battery box, easy circuit short circuit inside the battery box, and easy corrosion of metal parts, the present application designs a water vapor treatment device inside the battery box, by arranging a condensation device in the battery box, and arranging a water collection tank below the condensation device, the water collection tank is connected to the liquid storage tank below it through a guide pipe, so that the water vapor inside the battery box can be liquefied into liquid water on the condensation device before the inner wall of the battery box, and the liquid water is collected in the water collection tank, so as to flow into the liquid storage tank through the water collection tank for storage and regular discharge. Thereby, the water vapor liquefies on the inner wall of the battery box to produce condensed water, resulting in increased humidity inside the battery box, easy short circuit of the internal circuit, or easy corrosion of metal parts can be reduced.

[0054] The battery box internal water vapor treatment device 100 disclosed in the embodiment of the present application is used to be arranged inside the battery box of the battery to preferentially liquefy the water vapor inside the battery box into liquid water and collect and store it. The battery is used to power electrical devices such as vehicles, ships, and aircraft.

[0055] See also Figure 1 and Figure 2 , Figure 1 A schematic structural diagram of a water vapor treatment device inside a battery box from one perspective provided in some embodiments of the present application; Figure 2 for Figure 1 A schematic structural diagram of another perspective of the water vapor treatment device inside the battery box is shown. According to some embodiments of the present application, the present application provides a water vapor treatment device 100 inside the battery box, including a condensation component 10 and a liquid storage tank 20. The condensation component 10 includes a condensation device 11 and a water collection tank 12 arranged below the condensation device 11, and the condensation device 11 is used to condense the water vapor in the battery box into liquid water; the liquid storage tank 20 is arranged below the condensation component 10 and is connected to the water collection tank 12.

[0056] In this embodiment, the number of condensing devices 11 may be one or more. Exemplarily, the condensing device 11 is a condensing plate 111 or a semiconductor cooling plate 112, or a combination of the condensing plate 111 and the semiconductor cooling plate 112, or a conventional condenser (with a circulating heat exchange medium inside).

[0057] It can be understood that the condensing device 11 can be connected to the power supply inside the battery through a lead, and can also be connected to a power supply device separately provided on, for example, an electrical device.

[0058] By arranging a condensation assembly 10 and a liquid storage tank 20 in the battery box, the condensation assembly 10 includes a condensation device 11 and a water collecting tank 12 located below the condensation device 11, the water vapor (including water vapor) inside the battery box will be preferentially condensed into liquid water on the condensation device 11, and the condensed liquid water will be collected in the water collecting tank 12. Since the water collecting tank 12 is connected to the liquid storage tank 20, the liquid water in the water collecting tank 12 can be collected in the liquid storage tank 20, thereby effectively improving the problem of increased humidity inside the battery box caused by condensation of water vapor on the inner wall of the battery box. At the same time, it can also reduce the risk of short circuit caused by water vapor dripping into the internal circuit of the battery after condensation of water vapor on the inner wall of the battery box, and can reduce the corrosion of metal parts inside the battery box, thereby improving the safety and service life of the battery.

[0059] See also Figure 3 , Figure 3 A structural schematic diagram of another battery box internal water vapor treatment device provided in some embodiments of the present application from one perspective. According to some embodiments of the present application, the condensation assembly 10 also includes a shell 13, which is covered on the outside of the condensation device 11 and connected to the peripheral side of the water collection tank 12, and at least one guide port is provided on the top of the shell 13, and a fan 14 is provided in the guide port, and the fan 14 is used to suck the water vapor in the battery box into the shell 13.

[0060] In this embodiment, the housing 13 has a top wall and a side wall connected to the top wall. The top wall is arranged corresponding to the water collecting tank 12 , and the bottom of the side wall is connected to the peripheral side of the water collecting tank 12 .

[0061] According to the principle that hot air rises and cold air falls, water vapor is usually located above the inside of the battery box. Therefore, the guide port is opened at the top of the shell 13 to facilitate the water vapor to enter the shell 13.

[0062] The number of the guide ports may be one or more, and the number of the fans 14 may also be one or more. Preferably, the number of the guide ports is multiple, the multiple guide ports are arranged at intervals, and a fan 14 is arranged in each guide port.

[0063] By providing a shell 13 outside the condensing device 11, and the shell 13 is connected to the peripheral side of the water collecting tank 12, the condensing device 11 can be protected to reduce the risk of interference between the condensing device 11 and the structural parts inside the battery box. By providing a guide port at the top of the shell 13 and installing a fan 14 in the guide port, when the fan 14 is running, the water vapor inside the battery box can be quickly sucked into the shell 13, so as to improve the efficiency of the water vapor inside the battery box being liquefied into liquid water by the condensing device 11 and collected.

[0064] See also Figure 1 and Figure 2According to some embodiments of the present application, a support frame 121 is provided in the water collecting tank 12 , and the condensing device 11 is supported above the water collecting tank 12 by the support frame 121 .

[0065] In this embodiment, illustratively, the support frame 121 is a support rib, which is connected to the inner wall of the water collecting tank 12 and fixedly connected to the condensing device 11.

[0066] The condensing device 11 is supported to a certain height by the support frame 121, so that the bottom of the condenser does not contact the water collecting tank 12, so that water vapor encounters the condensing device 11 and liquefies into condensed water, then drips into the water collecting tank 12, and quickly flows from the water collecting tank 12 to the liquid storage tank 20.

[0067] See also Figure 1 According to some embodiments of the present application, the bottom wall of the water collecting tank 12 is an inclined plane extending obliquely from top to bottom, and a drainage hole 122 is provided at the lowest point of the inclined plane, and the drainage hole 122 is connected to the liquid storage tank 20.

[0068] In this embodiment, by setting the bottom wall surface of the water collecting trough 12 as a slope inclined from top to bottom, the condensed water in the water collecting trough 12 can automatically flow into the drainage hole 122 along the slope, so that the condensed water can quickly flow into the liquid storage tank 20 through the drainage hole 122, thereby improving the efficiency of the condensed water in the water collecting trough 12 flowing into the liquid storage tank 20.

[0069] See also Figures 1 to 3 According to some embodiments of the present application, a guide tube 30 is provided on the top of the liquid storage tank 20 , the guide tube 30 is connected to the drain hole 122 , and the guide tube 30 is provided with a control valve 31 .

[0070] In this embodiment, a liquid inlet hole is provided on the top of the liquid storage box 20 , one end of the flow guide tube 30 is connected to the liquid inlet hole, and the other end is connected to the liquid discharge hole 122 of the water collecting tank 12 .

[0071] Exemplarily, the control valve 31 is a solenoid valve, which can be electrically connected to a control system of the electrical device.

[0072] When the control valve 31 provided on the flow guide tube 30 is opened, the liquid storage tank 20 is connected with the water collecting tank 12, so that the condensed water in the water collecting tank 12 can enter the liquid storage tank 20 for storage through the drainage hole 122 and the flow guide tube 30 in turn, thereby reducing the safety risk caused by the condensation of water vapor into condensed water and dripping along the inner wall of the battery box to the circuit inside the battery box, causing a short circuit in the battery.

[0073] See also Figure 1 and Figure 2 According to some embodiments of the present application, the condensing device 11 includes a condensing sheet 111 and / or a semiconductor refrigeration sheet 112 .

[0074] In this embodiment, the condenser may be a condensing sheet 111 or a semiconductor refrigeration sheet 112, or may include the condensing sheet 111 and the semiconductor refrigeration sheet 112. When the condensing device 11 includes the condensing sheet 111 and the semiconductor refrigeration sheet 112, the cooling surfaces of the condensing sheet 111 and the semiconductor refrigeration sheet 112 are arranged to be opposite to each other.

[0075] The condensing sheet 111 or the semiconductor refrigeration sheet 112 has a relatively simple structure, which is not only easy to install but also easy to process and shape, suitable for mass production, and helps to reduce costs.

[0076] Specifically, the condensing sheet 111 can rapidly cool the water vapor or steam inside the battery box at the location of the condensing sheet 111 through the process of heat conduction and phase change, and convert it into liquid water, which eventually drips into the water collecting tank 12 and flows to the liquid storage tank 20.

[0077] The semiconductor refrigeration sheet 112 has a cooling surface and a heat dissipation surface. The water vapor inside the battery box will be cooled preferentially on the cooling surface of the semiconductor refrigeration sheet 112 and converted into liquid water, and finally drip into the water collecting tank 12 and flow to the liquid storage tank 20.

[0078] See also Figure 1 and Figure 2 According to some embodiments of the present application, there are multiple condensing devices 11, and the multiple condensing devices 11 are arranged above the water collecting tank 12 at intervals.

[0079] In this embodiment, the number of condensation devices 11 is increased, thereby improving the efficiency of condensing and liquefying the water vapor inside the battery box.

[0080] According to some embodiments of the present application, a drain valve 21 is provided at the bottom of the liquid storage tank 20 , and the drain valve 21 is used to drain the liquid water in the liquid storage tank 20 .

[0081] In this embodiment, by setting a drain valve 21 at the bottom of the liquid storage tank 20, the liquid water in the liquid storage tank 20 can be discharged by opening the drain valve 21, without the need for other equipment to extract or pour out the entire liquid, thereby improving the convenience of draining the liquid storage tank 20.

[0082] According to some embodiments of the present application, the liquid storage tank 20 is provided with a liquid level detection component (not shown in the figure).

[0083] In this embodiment, illustratively, the liquid level detection component may be a liquid level meter or a liquid level detector, etc.

[0084] The liquid level in the liquid storage tank 20 can be detected in real time by the liquid level detection component, so that the operator can control the opening or closing of the drain valve 21 according to the liquid level in the liquid storage tank 20 detected by the liquid level detection component, thereby reducing the risk of overflow of excessive condensed water in the liquid storage tank 20.

[0085] According to some embodiments of the present application, the battery box internal water vapor processing device 100 also includes a controller (not shown in the figure), and the controller is electrically connected to the liquid level detection element and the drain valve 21.

[0086] In this embodiment, the controller can be a separately set programmable controller or a control system of an electrical device. The liquid level detection component can detect the liquid level information in the liquid storage tank 20 and can send the liquid level information to the controller in real time. When the liquid level detection component detects that the liquid level in the liquid storage tank 20 reaches the preset liquid level, the controller controls the drain valve 21 to open to drain the condensed water in the liquid storage tank 20 without manually opening the drain valve 21, thereby improving the automation level of the product. It can be understood that when the liquid level in the liquid storage tank 20 is zero, the controller controls the drain valve 21 to close.

[0087] According to some embodiments of the present application, the water vapor processing device 100 inside the battery box also includes a humidity sensor (not shown in the figure), the controller is electrically connected to the humidity sensor and the condensation device 11, and the humidity sensor is used to detect the humidity inside the battery box.

[0088] In this embodiment, the humidity sensor and the condensation device 11 are electrically connected to the controller respectively, so that the humidity information inside the battery box detected by the humidity sensor can be sent to the controller in real time. When the humidity sensor detects that the humidity inside the battery box reaches a preset humidity threshold, the controller controls the start-up of the condensation device 11 to use the condensation device 11 to quickly condense and liquefy the water vapor in the battery box and collect it into the liquid storage tank 20. There is no need to manually start the condensation device 11, thereby improving the automation level of the product.

[0089] According to some embodiments of the present application, the water vapor treatment device 100 inside the battery box also includes a temperature sensor (not shown in the figure), the controller is electrically connected to the temperature sensor and the condensation device 11, and the temperature sensor is used to detect the temperature inside the battery box.

[0090] In this embodiment, the temperature sensor and the condensation device 11 are electrically connected to the controller respectively, so that the temperature information inside the battery box detected by the temperature sensor can be sent to the controller in real time. When the temperature sensor detects that the temperature inside the battery box reaches a preset temperature threshold, the controller controls the start-up of the condensation device 11 to use the condensation device 11 to quickly condense and liquefy the water vapor in the battery box and collect it into the liquid storage tank 20. There is no need to manually start the condensation device 11, thereby improving the automation level of the product.

[0091] According to some embodiments of the present application, see Figures 1 to 3The present application provides a water vapor treatment device 100 inside a battery box, comprising a condensation assembly 10 and a liquid storage tank 20 disposed below the condensation assembly 10. The condensation assembly 10 comprises an outer shell 13 and a condensation device 11 disposed in the outer shell 13. A water collecting tank 12 is formed at the bottom of the outer shell 13, and a drainage hole 122 is provided on the bottom wall of the water collecting tank 12. The drainage hole 122 is connected to the liquid storage tank 20 through a guide pipe 30. A guide port is provided at the top of the outer shell 13, and a fan 14 is installed in the guide port. The fan 14 is used to suck the water vapor in the battery box into the outer shell 13. There are multiple condensation devices 11, and each condensation device 11 comprises a condensation sheet 111 and a semiconductor refrigeration plate connected to the condensation sheet 111, and the cooling surfaces of the condensation sheet 111 and the semiconductor refrigeration sheet 112 of each group of condensation devices 11 are arranged in a manner opposite to each other. The liquid storage tank 20 is provided with a liquid level detection member and a drain valve 21, both of which are used to be electrically connected to the controller, and the controller controls the opening or closing of the drain valve 21 according to the liquid level information of the liquid storage tank 20 detected by the liquid level detection member. By adopting the above technical solution, the water vapor inside the battery box can be liquefied into liquid water on the condensation device 11 before the inner wall of the battery box, and collected by the water collection tank 12 and discharged into the liquid storage tank 20. In addition, the situation that water vapor enters the battery box, resulting in high humidity inside the battery box, internal circuits are prone to short circuits, and metal parts are prone to corrosion can be improved.

[0092] According to some embodiments of the present application, the present application further provides a battery, including a battery box, a battery cell, and a battery box internal water vapor treatment device 100 as described in any one of the above embodiments. The battery box includes a lower box body and an upper cover, and a receiving cavity is defined between the lower box body and the upper cover; the battery cell is received in the receiving cavity; and the battery box internal water vapor treatment device 100 is disposed in the battery box.

[0093] Specifically, the condensing device 11 of the water vapor treatment device 100 inside the battery box is arranged close to the upper cover, and the liquid storage tank 20 of the water vapor treatment device 100 inside the battery box is arranged in the lower box body.

[0094] The battery provided in the embodiment of the present application includes the battery box internal water vapor treatment device 100 of any one of the first aspect embodiments, and therefore has the technical effects of any of the above embodiments, which will not be repeated here.

[0095] In some embodiments, a heat exchange plate is provided in the battery box, the heat exchange plate is in thermal contact with the battery cells, and the liquid storage tank 20 is configured to discharge liquid into the heat exchange plate.

[0096] In some embodiments, the fluid reservoir 20 is configured to drain to the exterior of the battery housing.

[0097] According to some embodiments of the present application, the present application further provides an electrical device, comprising a battery as described in the above embodiments, and the battery is used to supply power to the electrical device.

[0098] The electrical device provided in the embodiment of the present application may be a vehicle, a ship, an aircraft, an electric bicycle, etc. Since it includes the battery of the second aspect embodiment, it has the technical effects of any of the above embodiments and will not be repeated here.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A water vapor treatment device inside a battery box, characterized in that: include: A condensation assembly, comprising a condensation device and a water collecting tank arranged below the condensation device, wherein the condensation device is used to condense the water vapor in the battery box into liquid water; The liquid storage tank is arranged below the condensing assembly and is connected with the water collecting tank.

2. The battery box internal water vapor treatment device according to claim 1, characterized in that: The condensation component also includes an outer shell, which is covered on the outside of the condensation device and connected to the peripheral side of the water collecting tank. At least one guide port is provided on the top of the outer shell, and a fan is provided in the guide port or the outer shell. The fan is used to suck water vapor in the battery box into the outer shell.

3. The battery box internal water vapor treatment device according to claim 1 or 2, characterized in that: A support frame is arranged in the water collecting tank, and the condensing device is supported above the water collecting tank by the support frame.

4. The battery box internal water vapor treatment device according to claim 1 or 2, characterized in that: The bottom wall surface of the water collecting tank is a slope extending obliquely from top to bottom, and a drainage hole is provided at the lowest point of the slope, and the drainage hole is communicated with the liquid storage tank.

5. The battery box internal water vapor treatment device according to claim 4, characterized in that: A flow guide pipe is arranged on the top of the liquid storage tank, the flow guide pipe is communicated with the liquid discharge hole, and the flow guide pipe is provided with a control valve.

6. The battery box internal water vapor treatment device according to claim 1 or 2, characterized in that: The condensing device includes a condensing plate and / or a semiconductor refrigeration plate.

7. The battery box internal water vapor treatment device according to claim 1 or 2, characterized in that: There are multiple condensing devices, and the multiple condensing devices are arranged above the water collecting tank at intervals.

8. The battery box internal water vapor treatment device according to claim 1 or 2, characterized in that: A drain valve is provided at the bottom of the liquid storage tank, and the drain valve is used to drain the liquid water in the liquid storage tank.

9. The battery box internal water vapor treatment device according to claim 8, characterized in that: The liquid storage tank is provided with a liquid level detection component.

10. The battery box internal water vapor treatment device according to claim 1 or 2, characterized in that: The battery box internal water vapor processing device further includes: a humidity sensor, the humidity sensor is used to detect the humidity in the battery box; And / or, the battery box internal water vapor processing device further includes: a temperature sensor, wherein the temperature sensor is used to detect the temperature inside the battery box.

11. A battery, characterized in that: include: A battery box defines a receiving cavity; A battery cell is accommodated in the accommodation cavity; and The battery box internal water vapor treatment device as described in any one of claims 1 to 10 is arranged in the battery box.

12. An electrical device, characterized in that: The battery as claimed in claim 11 is used to supply power to the electrical device.

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