A water-cooled energy storage container

Abstract

The present invention provides a water-cooled energy storage container, including a box body, a battery assembly, a heat exchange assembly, and also includes: an air guide assembly, the air guide assembly includes: a first air inlet, connected to the second cavity to form a first air inlet channel; a second air inlet, connected to the second cavity to form a second air inlet channel; an exhaust port, connecting the second cavity with the external space of the box body; an air suction hood, having a first opening and a second opening, the first opening is connected to the second air inlet, and the second opening faces downward; a control assembly, including: a first sensor module, forming first flow data and second flow data; a control module, receiving the first flow data and the second flow data, forming a control instruction; a motor module, controlling the air suction hood to open or close the second opening. After adopting the above technical solution, even when the original air inlet is blocked by snow, it can operate at a low cost without changing the air intake and exhaust conditions.

Description

Technical Field

[0001] The present invention relates to the field of energy, and in particular to a water-cooled energy storage container. Background Art

[0002] The introduction of renewable energy such as solar power generation and wind power generation is progressing. However, the amount of power generated is affected by the weather, and there is a problem that the supply and demand of electricity cannot be balanced. Therefore, in order to supplement the balance of supply and demand of electricity, large-scale energy storage systems are being introduced.

[0003] These energy storage systems are very effective near solar and wind farms, but they also need to be installed in areas with heavy snowfall and harsh natural environments. When installed in areas with heavy snow or where garbage is easily piled up on the ground, there is a problem that the bottom of the container is blocked by snow and air cannot be taken in. Once air cannot be taken in, the heat generated by the batteries in the energy storage system cannot be exchanged, which affects the energy storage efficiency and discharge efficiency of the energy storage system.

[0004] Therefore, a new type of water-cooled energy storage container structure is needed, which can solve the problem of being unable to intake air when snow accumulates, automatically switch to receiving air intake from the upper part of the container without snow, and promote temperature control in the container. Summary of the invention

[0005] In order to overcome the above technical defects, the purpose of the present invention is to provide a water-cooled energy storage container that can operate at a low cost without changing the air intake and exhaust conditions even when the original air inlet is blocked by snow.

[0006] The present invention discloses a water-cooled energy storage container, comprising a box body, a battery assembly arranged in a first cavity of the box body, and a heat exchange assembly arranged in a second cavity of the box body, wherein the first cavity and the second cavity are connected via a heat exchange pipe, and further comprising:

[0007] Air guide assembly, the air guide assembly includes:

[0008] A first air inlet is provided at the bottom end surface of the box body or the bottom end of the side end surface, and is connected to the second cavity to form a first air inlet channel;

[0009] A second air inlet is provided at the top end surface or the top end of the side end surface of the box body and is connected to the second cavity to form a second air inlet passage;

[0010] An exhaust port is provided in the middle of the side end surface of the box body, connecting the second cavity with the external space of the box body;

[0011] The air intake hood has a first opening and a second opening, the first opening is connected to the second air inlet and isolated from the external space, and the second opening faces downward so that the air intake of the second air inlet channel comes from the second opening;

[0012] Control components, the control components include:

[0013] A first sensor module is connected to the heat exchange component, and detects a first intake air flow rate of the first intake channel and a second intake air flow rate of the second intake channel to form first flow rate data and second flow rate data;

[0014] A control module connected to the first sensor module, receiving the first flow data and the second flow data, and forming a control instruction;

[0015] The motor module is connected to the control module, and controls the suction hood to open or close the second opening after receiving the control instruction.

[0016] Preferably, the suction hood comprises:

[0017] A hood body, forming the outline of the suction hood;

[0018] A bottom plate connected to the cover body to form the bottom surface of the cover body, the bottom plate is provided with a first opening and a second opening, and the first opening and the second opening are located on both sides of the bottom plate and pass through the bottom plate;

[0019] A mounting plate is fixedly connected to the outside of the cover body, and a mounting hole is opened on the mounting plate, and a connecting element passes through the mounting hole so that the suction cover is fixedly installed outside the box;

[0020] An arch bridge-shaped hollow space is formed inside the cover body to connect the first opening and the second opening.

[0021] Preferably, the first air inlet passage has a bifurcation point, and is connected to the second cavity at the bifurcation point and connected to the first opening at the bifurcation point to form a second air inlet passage;

[0022] The hood also includes:

[0023] The extension tube has one end connected to the first opening and isolated from the external space, and the other end extending into the interior of the box until it extends to the second air inlet passage.

[0024] Preferably, a first flow threshold Q1, a second flow threshold Q2 and a third flow threshold Q3 are provided in the control module, wherein Q1:Q2:Q3=4:2:1;

[0025] The hood also includes:

[0026] A sealing plate, movably connected to the second opening, and controlled to open or close the second opening;

[0027] A push rod, one end of which is connected to the sealing plate, and the other end of which is electrically connected to the control module;

[0028] The control module compares the first flow data with the first flow threshold Q1, the second flow threshold Q2 and the third flow threshold Q3:

[0029] When the first flow data is greater than or equal to the first flow threshold Q1, a first control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to close the second opening;

[0030] When the first flow data is less than the first flow threshold Q1 and greater than or equal to the second flow threshold Q2, a second control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open any proportion of 20%-50% of the total radial area of ​​the second opening;

[0031] When the first flow data is less than the second flow threshold Q2 and greater than or equal to the third flow threshold Q3, a third control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open any proportion of 50%-80% of the total radial area of ​​the second opening;

[0032] When the first flow data is less than the third flow threshold value Q3, a third control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open the entire radial area of ​​the second opening.

[0033] Preferably, the sealing plate comprises:

[0034] The plate body has an area larger than the second opening, and the plate body includes a protruding plate and a bottom plate, the protruding plate extends from the bottom plate toward the second opening, and the area of ​​the protruding plate is equal to the area of ​​the second opening, so that the edge of the protruding plate forms a clamping step at the bottom plate, and when the protruding plate closes the second opening, the clamping step is clamped with the edge of the second opening to limit the displacement of the plate body;

[0035] A movable connecting member, which is a hinge or a protrusion, and is arranged on one side of the plate body;

[0036] When the movable connecting member is a hinged member, a hinge shaft is provided on the inner side of the second opening. After the hinged member is hinged to the hinge shaft, the plate body pivots in the vertical direction inside the air hood to switch between closing the second opening and being attached to the inner side wall of the air hood.

[0037] When the movable connecting piece is a protrusion, the inner wall of the air hood close to the second opening is provided with a slide rail along the length direction of the air hood, and the protrusion is inserted into the slide rail, so that the plate body slides in the horizontal direction inside the air hood to switch between closing the second opening and being attached to the inner wall of the bottom surface of the air hood.

[0038] Preferably, a second sensor is further included, and the second sensor module includes:

[0039] The temperature sensor is installed outside the box to detect the ambient temperature of the external space, and the temperature sensor is connected to the control module to send ambient temperature data T 环 To the control module;

[0040] The distance sensor is arranged beside the first air inlet and faces the ground, and sends distance data D between the sensor and the object on the ground to the control module;

[0041] The control module is provided with a temperature threshold T and a distance threshold D0. 环 When the temperature is less than or equal to the temperature threshold T, and / or the distance data is less than or equal to the distance threshold D0, the suction hood is controlled to open or close the second opening.

[0042] Preferably, it also includes:

[0043] The supporting foundation is arranged at the bottom of the box body, the middle part of the supporting foundation is sunken inward to form a groove, and the first air inlet is directly opposite to the groove, so that the air at the bottom of the box body enters the first air inlet through the groove;

[0044] The control module is equipped with a temperature buffer ΔT. 环 When the temperature is greater than or equal to the sum of the temperature threshold T and the temperature buffer ΔT, the air hood is controlled to close the second opening. 环 When the temperature is less than the sum of the temperature threshold T and the temperature buffer ΔT, and greater than the temperature threshold T, the opening of the second opening of the suction hood is controlled to be a%. When the ambient temperature data T 环 When the temperature is less than the temperature threshold T, the suction hood is controlled to fully open the second opening, where a∈[20, 80].

[0045] Preferably, the control module calculates the opening a% according to the following formula:

[0046] ;

[0047] The control module controls the opening degree b% of the second opening of the suction hood according to the following formula:

[0048] ;

[0049] The control module calculates the final opening c% of the second opening of the suction hood according to the following formula:

[0050] When the ambient temperature data T 环 When the temperature is lower than the threshold value T, ;

[0051] When the ambient temperature data T 环 When the temperature is greater than the threshold value T, ;

[0052] Where m≥0.6, n≤0.4, and m+n=1.

[0053] Preferably, the air suction hood comprises at least two body units, and among the adjacent body units, the body unit close to the box body is sleeved on the outer side of the fixed end of the body unit away from the box body, so that the air suction hood is retractable;

[0054] The body unit farthest from the box body among all the body units is connected to the motor module, and the motor module drives the body unit to be pushed or pulled back.

[0055] Preferably, the vertical extension length of the upper end surface of the free end of the air hood is greater than the vertical extension length of the lower end surface, so that the free end is eaves-shaped, and objects falling from the vertical direction will be limited by the obstruction of the upper end surface of the free end of the air hood.

[0056] Compared with the prior art, the above technical solution has the following beneficial effects:

[0057] 1. In summer, the air inlet channel at the top is closed, and relatively low-temperature air is sucked in from the bottom, which is beneficial to the cooling function of the liquid cooling unit. In winter, the air inlet channel at the top is open, and relatively high-temperature air is sucked in from the top, which is beneficial to the cooling function of the liquid cooling unit.

[0058] 2. Automatically switch between different air inlets according to ambient temperature and snow accumulation;

[0059] 3. When the bottom is blocked by snow, the pressure inside the container decreases due to exhaust, and the air intake from the upper air intake pipe can be automatically switched to the air inlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0060] Figure 1 A schematic diagram of the structure of a water-cooled energy storage container in accordance with a preferred embodiment of the present invention;

[0061] Figure 2 A first structural schematic diagram of an air intake hood of a water-cooled energy storage container in accordance with a preferred embodiment of the present invention;

[0062] Figure 3 A second structural schematic diagram of an air intake hood of a water-cooled energy storage container in accordance with a preferred embodiment of the present invention;

[0063] Figure 4a A third structural schematic diagram of a foldable air intake hood of a water-cooled energy storage container in accordance with a preferred embodiment of the present invention;

[0064] Figure 4b A third structural schematic diagram of a soft skin air intake hood of a water-cooled energy storage container in accordance with a preferred embodiment of the present invention;

[0065] Figure 4cThe third structural schematic diagram of the hard-skin air intake hood of a water-cooled energy storage container in accordance with a preferred embodiment of the present invention.

[0066] Reference numerals:

[0067] 100-Water-cooled energy storage container;

[0068] 110- box body;

[0069] 120-air guide assembly, 121-exhaust port, 122-air suction cover, 123-first opening, 124-second opening, 125-cover body, 126-bottom plate, 127-mounting plate, 128-extension pipe;

[0070] 130-supporting foundation, 131-groove. DETAILED DESCRIPTION

[0071] The advantages of the present invention are further described below in conjunction with the accompanying drawings and specific embodiments.

[0072] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0073] The terms used in this disclosure are for the purpose of describing specific embodiments only and are not intended to limit the disclosure. The singular forms of "a", "said" and "the" used in this disclosure and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0074] It should be understood that although the terms first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present disclosure, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0075] In the description of the present invention, it is necessary to understand that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0076] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the internal connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0077] In the following description, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present invention, and have no specific meanings. Therefore, "module" and "component" can be used interchangeably.

[0078] See also Figure 1 , shows a schematic structural diagram of a water-cooled energy storage container 100 in accordance with a preferred embodiment of the present invention. In this embodiment, the water-cooled energy storage container 100 includes the following components:

[0079] - Cabinet 110

[0080] The box body 110 forms the outline of the water-cooled energy storage container 100 and has a storage space therein for accommodating other components.

[0081] - Battery components

[0082] A first cavity is provided in the box 110, in which the battery assembly is placed. The battery assembly can be connected to an external power grid or an external power source to store electric energy received, and connected to an electrical appliance to release the stored electric energy to the electrical appliance.

[0083] - Heat exchange components

[0084] A second cavity is also provided in the box 110, and the second cavity is basically isolated from the first cavity, but a heat exchange pipe can be provided in the box 110 to connect the first cavity with the second cavity. A heat exchange component is provided in the second cavity, and the heat exchange component can inhale hot air and convert it into cold air. Conversely, the heat exchange component can also inhale cold air and convert it into hot air. It can be understood that the common water-cooled energy storage container in this field, such as the Chinese patent with publication number: CN118888920A, is mainly composed of a container-type machine room, a battery management system (BMS), a battery pack temperature control system, an energy storage inverter (PCS), a fire protection system, etc. The battery pack temperature control system includes a chiller, a chiller pipe, an air conditioner, and an air duct. Provide a suitable and stable ambient temperature for the overall container energy storage system. The heat exchange component described in the present invention can be an air conditioner or other heat exchanger arranged in a water-cooled energy storage container, and the first cavity containing the battery assembly is provided with the above-mentioned chiller and chiller pipe. The chiller pipe is close to the outside of the battery assembly to cool the battery assembly, and the heat absorbed by it will be received by the chiller. If it is not discharged in time, the cooling effect will be greatly reduced. Therefore, the setting of the heat exchange component will adjust the temperature of the water or coolant used for cooling. For example, when the battery assembly is heated, the heat is transferred to the coolant (water) in contact with it, and the heat-carrying coolant flows out to the heat exchanger, exchanges heat with the external air sucked in by the heat exchanger, and the temperature of the coolant is reduced. The cooled coolant continues to circulate back to the battery module to absorb heat again, and this cycle continues to achieve continuous heat dissipation of the energy storage system.

[0085] Based on the above configuration, air intake from the outside is very important for heat exchange components. Therefore, the water-cooled container also includes:

[0086] - Air guide assembly 120

[0087] The air guide assembly 120 is used to introduce external air into the second cavity, and specifically includes:

[0088] - First air intake

[0089] The first air inlet is opened at the bottom end of the bottom end face or the side end face of the box body 110, communicates with the external environment and the second cavity, and is used to inhale the air deposited at the bottom of the box body 110, thereby forming a first air inlet channel.

[0090] - Second air intake

[0091] In addition to the first air inlet, a second air inlet is also provided. The second air inlet is provided at the top end face or the top end face of the side end face of the box body 110. It is mainly provided at the upper part of the box body 110. It is also connected to the external environment and the second cavity. The second air inlet can be used as an alternative air inlet by providing the second air inlet. When the first air inlet is blocked, the second air inlet can be enabled. The positions of the second air inlet and the first air inlet are far apart. The conditions that cause the first air inlet to be blocked may not cause the second air inlet to be blocked. Therefore, one of the first air inlet and the second air inlet must be unblocked, which does not affect the operation of the heat exchange component.

[0092] - Exhaust port 121

[0093] The exhaust port 121 is opened in the middle of the side end surface of the box body 110 . The cold air of the heat exchange component is converted into hot air after entering the first cavity, and will be discharged from the exhaust port 121 by the heat exchange component.

[0094] - Suction hood 122

[0095] In order to inhale more air and prevent the second air inlet from being blocked, the air suction hood 122 is provided at the second air inlet. The air suction hood 122 has a first opening 123 and a second opening 124, the first opening 123 and the second air inlet are connected, and sealing measures are taken at the connection between the two, so that the connection between the first opening 123 and the second air inlet is isolated from the external space. The second opening 124 is opened at the free end of the air suction hood 122, extending outward with the body of the air suction hood 122, and the opening direction of the second opening 124 is facing downward, so that the air intake of the second air inlet channel comes from the second opening 124, and when any object falls from the top of the box 110, it will not enter the second opening 124 and block the second opening 124. At the same time, the second opening 124 can also be set at a high place, that is, at the same height as the box 110, to prevent objects from accumulating below and blocking the second opening 124.

[0096] In addition, the water-cooled energy storage container 100 also includes a control component, which includes:

[0097] - First sensor module

[0098] The first sensor module is disposed on the outer side or the inner wall of the box body 110. The first sensor module is electrically connected to the heat exchange component, and respectively detects the first intake flow of the first intake channel and the second intake flow of the second intake channel to form first flow data and second flow data, which are used to determine the intake volume of the first air inlet and the second air inlet.

[0099] It is understandable that when the first air inlet is not blocked, the second air inlet is not used. If the amount of air inhaled is too much, it will cause high load use of the heat exchange component. Therefore, it is necessary to control the amount of air inhaled and determine whether to use the second air inlet according to the actual working conditions. Therefore, the configuration of the first sensor module is introduced.

[0100] - Control module

[0101] The control module is connected to the first sensor module, receives the first flow data and the second flow data, and judges the ambient temperature and whether the first air inlet is blocked based on the feedback of the first flow data and the second flow data, thereby forming a control instruction to control the second air inlet.

[0102] - Motor module

[0103] The motor module is connected to the control module and the air hood 122, and after receiving the control command, it will open or close the second opening 124 of the air hood 122. The opening or closing method can be to open or close the second opening 124, or to open or retract the air hood 122, or to rotate the air hood 122 to open or close the second opening 124.

[0104] Through the above configuration, by adding an air intake hood 122 and a second air inlet on the top of the box body 110, the air heated by the heat exchange component will usually rise, and the air intake will naturally be carried out from the bottom of the container, but when the bottom is blocked by snow, the pressure inside the container will decrease due to exhaust, and it can automatically switch to air intake from the second opening 124.

[0105] See also Figure 2 , Figure 3 , Figure 4a , Figure 4b , Figure 4c Different structures of the air suction hood 122 are shown respectively. In a preferred embodiment, the air suction hood 122 includes:

[0106] - Cover 125

[0107] The cover body 125 forms the outline of the air intake cover 122 , and has a space inside. Air can flow from the space inside the cover body 125 to the second opening 124 .

[0108] - Bottom plate 126

[0109] The bottom plate 126 partially closes the end surface of the cover body 125. Specifically, the bottom plate 126 is connected to the cover body 125 to form the bottom surface of the cover body 125. The first opening 123 and the second opening 124 are provided on the bottom plate 126, or it can be understood that two hollow places are provided on the bottom plate 126 to form the first opening 123 and the second opening 124 respectively. Moreover, the first opening 123 and the second opening 124 are located on both sides of the bottom plate 126 and penetrate the bottom plate 126, so that the first opening 123 and the second opening 124 are connected to the internal space of the cover body 125.

[0110] - Mounting plate 127

[0111] The mounting plate 127 is fixedly connected to the outer side of the cover body 125, similar to the side plate forming the cover body 125, and the extending direction of the mounting plate 127 is perpendicular to the cover body 125. A mounting hole is opened on the mounting plate 127, and after the connecting element passes through the mounting hole, the air intake cover 122 can be fixedly installed outside the box body 110.

[0112] An arch bridge-shaped hollow space is formed inside the cover body 125, connecting the first opening 123 and the second opening 124. The configuration of this shape can control the power required for inhaling air by adjusting the curvature of the arch bridge. More preferably, the closer the hollow space is to the first opening 123, the narrower the hollow space is, so that the difficulty of inhaling air is reduced and the power required is reduced.

[0113] Furthermore, the formation of the second air inlet channel can be based on the original first air inlet channel. Specifically, the first air inlet channel has a bifurcation point, one path of the bifurcation point is connected to the second cavity to introduce the air from the first air inlet into the space where the heat exchange component is located, and the other path is connected to the first opening 123, so as to naturally form the second air inlet channel. Correspondingly, refer to Figure 3 The air intake hood 122 further includes an extension pipe 128, one end of which is connected to the first opening 123 and isolated from the external space, so that air will enter the extension pipe 128 from the first opening 123, and the other end of the extension pipe 128 continues to extend until it extends into the interior of the box body 110 and is connected to the second air intake channel. The shape of the extension pipe 128 can be adapted according to the shape of the second air intake channel to directly introduce air without leakage.

[0114] In another preferred embodiment, the opening size of the second opening 124 will be adjusted according to the actual working conditions. Specifically, the control module is provided with a first flow threshold Q1, a second flow threshold Q2 and a third flow threshold Q3, wherein Q1:Q2:Q3=4:2:1, or the ratio of Q1:Q2:Q3 is close to the above ratio. The setting of the first flow threshold Q1, the second flow threshold Q2 and the third flow threshold Q3 can divide the flow of the inhaled air into 4 ranges, and implement different control strategies for different ranges.

[0115] In order to meet different control strategies, the structure of the suction hood 122 is configured to include a sealing plate and a push rod. The sealing plate is movably connected to the second opening 124. After receiving the control of the motor module, the second opening 124 can be opened or closed, and in the process of opening and closing the second opening 124, it can be stopped to control the opening size of the second opening 124, that is, the opening degree of the second opening 124. On the other hand, the push rod controls the displacement of the sealing plate. One end of the push rod is connected to the sealing plate, and the other end is electrically connected to the control module. The control module sends a control instruction to the motor module, and the motor module pushes the push rod (or the push rod is directly connected to the control module to receive the control instruction). The push rod pushes the sealing plate to completely close, partially close, or completely open the second opening 124.

[0116] With the above configuration, the control module compares the relationship between the first flow data and the first flow threshold Q1, the second flow threshold Q2 and the third flow threshold Q3:

[0117] 1. When the first flow data is greater than or equal to the first flow threshold value Q1, it means that the first air inlet is working normally and is not blocked, and then the first control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to close the second opening 124, thereby reducing the air intake of the second opening 124 and avoiding overload of the heat exchange component;

[0118] 2. When the first flow rate data is less than the first flow rate threshold value Q1 and greater than or equal to the second flow rate threshold value Q2, it means that the first air inlet may be partially blocked and the flow rate of the inhaled air is not as good as the flow rate during normal operation, then a second control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open any proportion of 20%-50% of the entire radial area of ​​the second opening 124, thereby increasing the air intake of a part of the second opening 124, so that the total air intake is maintained within a certain range;

[0119] 3. When the first flow rate data is less than the second flow rate threshold value Q2 and greater than or equal to the third flow rate threshold value Q3, it means that the first air inlet may be mostly blocked, and a third control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open any proportion of 50%-80% of the entire radial area of ​​the second opening 124, further increasing the air intake of a part of the second opening 124, and taking the air intake of the second opening 124 as the main air intake, so that the total air intake is still maintained within a certain range;

[0120] 4. When the first flow data is less than the third flow threshold Q3, it means that the first air inlet may be mostly blocked due to heavy snow, garbage accumulation, etc., and the third control instruction is sent to the motor module. The motor module controls the push rod to push the sealing plate to open the entire radial area of ​​the second opening 124, and replace the first opening 123 with the second opening 124 as the main source of air intake.

[0121] Furthermore, in order to realize the state switching between the partial opening and the full opening of the second opening 124 by the sealing plate, the sealing plate needs to be designed with a movable structure. Therefore, the sealing plate is configured as follows: the sealing plate includes: a plate body, the area of ​​which is larger than the second opening 124, so that the second opening 124 can be completely covered, and the plate body includes a protruding plate and a bottom plate 126, the protruding plate extends toward the second opening 124 on the bottom plate 126, and the area of ​​the protruding plate is equal to the area of ​​the second opening 124, so that the edge of the protruding plate forms a snap-in step at the bottom plate 126, and when the protruding plate closes the second opening 124, the snap-in step snaps with the edge of the second opening 124 to limit the displacement of the plate body. The sealing plate also includes a movable connecting member, which can be a hinge or a protruding member, which is arranged on one side of the plate body to form a rotational movement or a translational movement for the movement of the plate body.

[0122] Specifically, when the movable connecting part is a hinge, a hinge shaft is provided on the inner side of the second opening 124. After the hinge is hinged to the hinge shaft, the plate body pivots in the vertical direction inside the air intake hood 122. Correspondingly, the air intake hood 122 needs to be arranged wider in the vertical direction to give the plate body a certain rotation space, and then switch between the position of closing the second opening 124 and sticking to the inner wall of the air intake hood 122. It can be understood that the configuration of the opening of the second opening 124 is an adjustment of the rotation angle of the plate body. When the plate body gets closer and closer to the second opening 124, the opening of the second opening 124 becomes smaller, and vice versa. When the movable connecting piece is a protrusion, the inner wall of the air hood 122 close to the second opening 124 is provided with a slide rail along the length direction of the air hood 122. The protrusion is inserted into the slide rail, so that the plate body slides in the horizontal direction inside the air hood 122 to switch between closing the second opening 124 and being attached to the bottom inner wall of the air hood 122. It can be understood that the configuration of the opening of the second opening 124 is an adjustment of the translation distance of the plate body. When the translation distance of the plate body is larger, the opening of the second opening 124 becomes smaller, and vice versa.

[0123] In another preferred embodiment, the opening of the second opening 124 is controlled according to the external environment, such as the external temperature and the blockage of the first opening 123. Correspondingly, a second sensor module (preferably integrated with the first sensor module) is provided. The second sensor module includes:

[0124] - Temperature sensor

[0125] The temperature sensor is disposed outside the box 110 to detect the ambient temperature of the external space. The temperature sensor can be connected to the control module for communication to detect the ambient temperature T 环 Sent to the control module.

[0126] - Distance sensor

[0127] The distance sensor is arranged beside the first air inlet, facing the ground, and is used to detect the distance from itself to objects on the ground, form distance data D, and send it to a control module that is communicatively connected to the distance sensor.

[0128] Correspondingly, a temperature threshold T and a distance threshold D0 are respectively set in the control module. 环 When it is less than or equal to the temperature threshold T, it means that the ambient temperature outside the box 110 is low, and it may snow, causing snow accumulation, and / or when the distance data is less than or equal to the distance threshold D0, it means that there may be snow accumulation or objects piled up below the first opening 123, affecting the air intake of the first opening 123. Therefore, it is necessary to control the air intake hood 122 to open the second opening 124 so that the air intake of the second opening 124 can make up for the air intake of the first opening 123.

[0129] After the second sensor module is set, when the data sent by the first sensor module to the control module causes the control module's control strategy for the second opening 124 to be inconsistent with the data sent by the second sensor module to the control module, the control logic can be configured as follows: when one of the control instructions includes opening the second opening, the second opening will be controlled to be opened; when and only when both of the two control instructions formed include closing the second opening, the second opening will be controlled to be closed. In other words, if the control module does not send a control instruction to open the second opening based on the flow rate, but the second opening needs to be opened based on the temperature and / or distance, the control module will control the second opening to be opened; if the control module sends a control instruction to open the second opening based on the flow rate, but the second opening does not need to be opened based on the temperature and / or distance, the control module will also control the second opening to be opened. When the data sent by the first sensor module to the control module causes the control module's control strategy for the opening of the second opening 124 to be different from the data sent by the second sensor module to the control module, the control logic can be configured as follows: the larger of the two is executed. That is, the data sent by the first sensor module to the control module causes the control module to compare the first opening of the second opening 124 with the data sent by the second sensor module to the control module, causing the control module to compare the second opening of the second opening 124. The larger of the two will be used as the final opening control result.

[0130] Furthermore, the water-cooled energy storage container 100 also includes a supporting foundation 130, which is arranged at the bottom of the box body 110. The middle part of the supporting foundation 130 is recessed inward to form a groove 131. The first air inlet is directly opposite to the groove 131, so that the air at the bottom of the box body 110 enters the first air inlet through the groove 131. This setting is used to prevent the first air inlet from being blocked or to form external air supplied to the first air inlet. In order to prevent the total amount of air inhaled from being too much or too little, a temperature buffer ΔT is set in the control module. When the ambient temperature data T 环 When the temperature is greater than or equal to the sum of the temperature threshold T and the temperature buffer ΔT, it means that the external ambient temperature is high enough and there is no snow accumulation, and the air intake hood 122 is controlled to close the second opening 124; when the ambient temperature data T 环 When the temperature is less than the sum of the temperature threshold T and the temperature buffer ΔT, and greater than the temperature threshold T, it means that the external ambient temperature may be low, but not so low that snow will accumulate, or there will be too much snow. In this case, the air intake hood 122 is controlled to open the second opening 124 to a% to appropriately compensate for the air intake of the first air inlet. When the ambient temperature data T 环 When the temperature is less than the temperature threshold T, heavy snow may occur or the snow accumulation may be serious, and the air intake hood 122 is controlled to fully open the second opening 124, where a∈[20,80].

[0131] Most preferably, the calculation of the above opening a% is based on the following formula:

[0132] The control module calculates the opening a% according to the following formula: The control module controls the opening degree b% of the second opening 124 of the suction hood 122 according to the following formula: The above two calculation formulas can form a control strategy that the lower the temperature, the greater the change in the opening, which means that when snow is more likely to accumulate, the larger the opening of the second opening 124 is, the more air is inhaled. In addition, the control module calculates the final opening c% of the second opening 124 of the air intake hood 122 according to the following formula: 环 When the temperature is lower than the threshold value T, ; When the ambient temperature data T 环 When the temperature is greater than the threshold value T, ; wherein m≥0.6, n≤0.4, and m+n=1. Through the above configuration, the external environment temperature and the accumulation below are considered at the same time, and when the temperature is too low, the first opening 123 is mainly prevented from being blocked by snow, and when the temperature is high enough, the first opening 123 is mainly prevented from being blocked by other accumulations, which is more suitable for various working conditions.

[0133] Preferably or alternatively, see Figure 4a , 4b4c, the air hood 122 is retractable, and when not in use, it can be retracted into the vertical space where the box body 110 is located, to prevent the air hood 122 from being bumped by the staff when it is extended too much. Specifically, the air hood 122 includes at least two main body units. Among the adjacent main body units, the main body unit close to the box body 110 is sleeved on the outer side of the fixed end of the main body unit far away from the box body 110. When the main body unit far away from the box body 110 is retracted into the adjacent main body unit, the air hood 122 gradually becomes retractable until it is retracted into the last main body unit. On the other hand, the main body unit farthest from the box body 110 among all the main body units is connected to the motor module, and the motor module drives the farthest main body unit to be pushed or pulled back, which can save the used electric energy.

[0134] Optionally, the vertical extension length of the upper end face of the free end of the air intake hood 122 is greater than the vertical extension length of the lower end face, so that the free end is eaves-shaped. When heavy snow occurs, the snow falling in the vertical direction or close to the vertical direction will be limited by the upper end face of the free end of the air intake hood and will not enter the second opening 124. In other words, it will be blocked by the upper end face of the free end.

[0135] It should be noted that the embodiments of the present invention have better practicability and do not impose any form of limitation on the present invention. Any technician familiar with the field may use the technical content disclosed above to change or modify it into an equivalent effective embodiment. However, any modification or equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A water-cooled energy storage container, comprising a box, a battery assembly disposed in a first cavity of the box, and a heat exchange assembly disposed in a second cavity of the box, wherein: The first cavity is connected to the second cavity via a heat exchange pipe, and is characterized by further comprising: An air guide component, the air guide component comprising: A first air inlet is provided at the bottom end of the bottom end surface or the side end surface of the box body and is connected to the second cavity to form a first air inlet channel; A second air inlet is provided at the top end surface or the top end surface of the side end surface of the box body and is connected with the second cavity to form a second air inlet channel; An exhaust port is provided in the middle of the side end surface of the box body, connecting the second cavity with the external space of the box body; The air intake hood has a first opening and a second opening, the first opening is connected to the second air inlet and isolated from the external space, and the second opening faces downward so that the air intake of the second air inlet channel comes from the second opening; A control component, the control component comprising: a first sensor module connected to the heat exchange component, detecting a first intake air flow rate of the first intake channel and a second intake air flow rate of the second intake channel to form first flow rate data and second flow rate data; A control module connected to the first sensor module, receiving the first flow data and the second flow data, and forming a control instruction; a motor module connected to the control module, and after receiving the control instruction, controlling the suction hood to adjust the opening of the second opening according to the first flow data and the second flow data; Also included is a second sensor module, the second sensor module comprising: The temperature sensor is arranged outside the box to detect the ambient temperature of the external space, and the temperature sensor is connected to the control module to send ambient temperature data T 环 to the control module; A distance sensor is disposed beside the first air inlet and faces the ground, and sends distance data D from the sensor to an object on the ground to the control module; The control module is provided with a temperature threshold T and a distance threshold D0 respectively. 环 When the temperature is less than or equal to the temperature threshold T, and / or the distance data is less than or equal to the distance threshold D0, the suction hood is controlled to adjust the opening of the second opening according to the temperature threshold T and the distance data.

2. The water-cooled energy storage container according to claim 1, characterized in that: The suction hood comprises: A hood body, forming the outline of the suction hood; A bottom plate connected to the cover body to form the bottom surface of the cover body, the bottom plate is provided with the first opening and the second opening, and the first opening and the second opening are located at two sides of the bottom plate and pass through the bottom plate; A mounting plate, fixedly connected to the outside of the cover body, and a mounting hole is opened on the mounting plate, and a connecting element passes through the mounting hole so that the suction cover is fixedly mounted outside the box body; An arch bridge-shaped hollow space is formed inside the cover body to connect the first opening and the second opening.

3. The water-cooled energy storage container according to claim 2, characterized in that: The first air inlet passage has a bifurcation point, and is connected to the second cavity and the first opening at the bifurcation point to form the second air inlet passage; The suction hood also includes: An extension tube has one end connected to the first opening and isolated from the external space, and the other end extending into the interior of the box until it extends to the second air inlet passage.

4. The water-cooled energy storage container according to claim 1, characterized in that: The control module is provided with a first flow threshold Q1, a second flow threshold Q2 and a third flow threshold Q3, wherein Q1:Q2:Q3=4:2:1; The suction hood also includes: A sealing plate, movably connected to the second opening, and controlled to open or close the second opening; A push rod, one end of which is connected to the sealing plate, and the other end of which is electrically connected to the control module; The control module compares the first flow data with the first flow threshold Q1, the second flow threshold Q2 and the third flow threshold Q3: When the first flow data is greater than or equal to the first flow threshold Q1, a first control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to close the second opening; When the first flow data is less than the first flow threshold Q1 and greater than or equal to the second flow threshold Q2, a second control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open any proportion of 20%-50% of the total radial area of ​​the second opening; When the first flow data is less than the second flow threshold Q2 and greater than or equal to the third flow threshold Q3, a third control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open any proportion of 50%-80% of the total radial area of ​​the second opening; When the first flow data is less than the third flow threshold Q3, a third control instruction is sent to the motor module, and the motor module controls the push rod to push the sealing plate to open the entire radial area of ​​the second opening.

5. The water-cooled energy storage container according to claim 4, characterized in that: The sealing plate comprises: a plate body, the area of ​​which is larger than the second opening, and the plate body comprises a protruding plate and a bottom plate, the protruding plate extends from the bottom plate toward the second opening, and the area of ​​the protruding plate is equal to the area of ​​the second opening, so that the edge of the protruding plate forms a clamping step at the bottom plate, and when the protruding plate closes the second opening, the clamping step is clamped with the edge of the second opening to limit the displacement of the plate body; A movable connecting member, which is a hinge or a protrusion, and is disposed on one side of the plate body; When the movable connecting member is a hinged member, a hinge shaft is provided on the inner side of the second opening, and after the hinged member is hinged to the hinge shaft, the plate body pivots in the vertical direction inside the suction hood to switch between closing the second opening and being attached to the inner side wall of the suction hood; When the movable connecting piece is a protrusion, the inner wall of the air hood close to the second opening is provided with a slide rail along the length direction of the air hood, and the protrusion is inserted into the slide rail, so that the plate body slides in the horizontal direction of the air hood to switch between closing the second opening and being attached to the bottom inner wall of the air hood.

6. The water-cooled energy storage container according to claim 1, characterized in that: Also includes: A supporting foundation is provided at the bottom of the box body, the middle part of the supporting foundation is recessed inward to form a groove, the first air inlet is directly opposite to the groove, so that the air at the bottom of the box body enters the first air inlet through the groove; The control module is provided with a temperature buffer ΔT. When the ambient temperature data T 环 When the temperature is greater than or equal to the sum of the temperature threshold T and the temperature buffer ΔT, the air hood is controlled to close the second opening. 环 When the temperature is less than the sum of the temperature threshold T and the temperature buffer ΔT, and greater than the temperature threshold T, the opening of the second opening of the suction hood is controlled to be a%. When the ambient temperature data T 环 When the temperature is less than the temperature threshold T, the suction hood is controlled to fully open the second opening, where a∈[20, 80]; Wherein, when the control strategy of the control module for the second opening caused by the data sent by the first sensor module to the control module is contrary to the control strategy of the control module for the second opening caused by the data sent by the second sensor module to the control module, the control logic of the control module is configured as follows: when one of the control instructions includes opening the second opening, the second opening is controlled to be opened; when and only when both of the formed two control instructions include closing the second opening, the second opening is controlled to be closed; and When the data sent by the first sensor module to the control module causes the control module to implement a control strategy for the opening of the second opening that is different from the data sent by the second sensor module to the control module causes the control module to implement a control strategy for the opening of the second opening that is different, the control logic of the control module is configured as follows: the larger of the two is executed.

7. The water-cooled energy storage container according to claim 6, characterized in that: The control module calculates the opening a% according to the following formula: ； The control module controls the opening degree b% of the second opening of the suction hood according to the following formula: ； The control module calculates the final opening degree c% of the second opening of the suction hood according to the following formula: When the ambient temperature data T 环 When the temperature is less than the temperature threshold T, ; When the ambient temperature data T 环 When the temperature is greater than the temperature threshold T, ; Where m≥0.6, n≤0.4, and m+n=1.

8. The water-cooled energy storage container according to claim 1, characterized in that: The air suction hood comprises at least two body units, wherein the body unit close to the box body is sleeved on the outer side of the fixed end of the body unit far from the box body, so that the air suction hood is retractable; The body unit farthest from the box body among all the body units is connected to the motor module, and the motor module drives to push or pull back the body unit.

9. The water-cooled energy storage container according to claim 1 or 8, characterized in that: The vertical extension length of the upper end surface of the free end of the air hood is greater than the vertical extension length of the lower end surface, so that the free end is eaves-shaped, and objects falling from the vertical direction will be limited by the shielding of the upper end surface of the free end of the air hood.

Images