Energy storage container and temperature control linkage structure thereof

Abstract

The invention relates to the technical field of thermal management of electrochemical energy storage systems, in particular to an energy storage container and a temperature control linkage structure thereof, and the device comprises at least one group of temperature sensors, a sunshade structure, a thermally induced ventilation structure and a control unit. The temperature sensor is embedded in a target wall plate of the energy storage container, communicates with the control unit and is used for acquiring and transmitting temperature data; the sunshade structure is arranged above the outer edge of the target wallboard, is connected with the control unit, and forms a shielding layer to shield sunlight according to the first control instruction; the thermally induced ventilation structure is located in the middle of the target wall plate, communicates with the control unit and opens the ventilation gap according to a second control instruction; the control unit obtains temperature data in real time, compares the temperature data with a set temperature threshold value, and accordingly generates a first control instruction for controlling the sunshade structure and / or generates a second control instruction for controlling the thermally induced ventilation structure.

Description

Technical Field

[0001] This invention relates to the field of thermal management technology for electrochemical energy storage systems, specifically to an energy storage container and its temperature control linkage structure. Background Technology

[0002] With the large-scale application of new energy sources, electrochemical energy storage systems are widely deployed in scenarios such as wind power, photovoltaic power, grid peak shaving, and communication base stations. Containerized energy storage power stations are widely used due to their ease of transportation and installation, with batteries, power control units, and thermal management systems all centrally located inside the container.

[0003] In practical applications, due to the influence of solar radiation, ambient temperature differences, ground heat reflection, and wind, the outer walls of energy storage containers (such as the south side, upper part, or windward side) may experience uneven or localized heat loads. Especially in the afternoon when the angle of sunlight is low, certain locations (such as the west side) are prone to prolonged and intense direct sunlight, forming a typical heat load concentration phenomenon, namely the "directional heat spot" effect. This leads to the following problems: increased operating load of the air conditioning system in the battery compartment, resulting in increased energy consumption; increased temperature difference between battery modules, affecting cell consistency and shortening lifespan; localized overheating may induce thermal runaway of the cells, posing a fire hazard; and traditional overall cooling measures (such as whitewashing the entire container, adding sunshades, forced air cooling, etc.) are insufficient in terms of cost, installation space, or response efficiency.

[0004] Therefore, there is an urgent need to develop a low-cost, highly responsive, and intelligently linked thermal control structure system specifically for high-heat wall areas of containers (including specific orientations such as the west side) to alleviate the problem of concentrated directional heat loads and improve the safety and stability of energy storage system operation. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide an energy storage container and its temperature control linkage structure to address the shortcomings of the prior art, thereby solving the technical problem that the hot spot effect of the current energy storage receiving container cannot be suppressed.

[0006] The objective of this invention is achieved through the following technical solutions: In a first aspect, the present invention provides a temperature control linkage structure for an energy storage container, which is installed on the energy storage container and includes: at least one set of temperature sensors, a sunshade structure, a thermal ventilation structure and a control unit; The temperature sensor is embedded inside the target wall panel of the energy storage container and is connected in communication with the control unit. The temperature sensor is used to acquire the temperature of the energy storage container and transmit it to the control unit. The sunshade structure is disposed above the outer edge of the target wall panel and is communicatively connected to the control unit. It is used to form a sunshade layer that blocks sunlight according to the first control command of the control unit. The thermal ventilation structure is located in the middle of the target wall panel of the energy storage container and is connected in communication with the control unit to open the ventilation gap according to the second control command of the control unit. The control unit is used to acquire temperature data transmitted by the temperature sensor in real time, compare the temperature data with a set temperature threshold, and generate a first control command to control the shading structure, and / or generate a second control command to control the shading structure.

[0007] As a further improvement of the present invention, the temperature sensor is an NTC type temperature sensor and / or a PT100 type temperature sensor.

[0008] As a further improvement of the present invention, the sunshade structure includes a foldable sunshade wing, a drive assembly, a guide rail support, and a storage box. The foldable sunshade wing is installed on the top edge of the target wall panel and includes several wing panels. The wing panels have a multi-segment foldable structure and are connected by nylon hinges. The wing panels are composed of an aluminum alloy frame and a reflective sunshade cloth. The aluminum alloy frame has a U-shaped cross section. The reflective sunshade cloth is detachably fixed to the aluminum alloy frame. The drive component uses a solar thermal drive device or an electric drive device to drive the foldable sunshade wings to unfold according to a first control command, form a shading layer, and be stored when the temperature drops. The guide rail support is installed on both sides of the foldable sun shade wing. The guide rail support has a built-in wear-resistant slider. The wear-resistant slider is connected to the side of the sun shade wing and is used to move in a straight line when the wing is unfolded or retracted. The storage box is located in the corresponding position when the sunshade structure is not unfolded, and the storage box body is fixed to the wall panel of the energy storage container by expansion bolts; the internal space dimensions of the storage box match the foldable sunshade wing after folding.

[0009] As a further improvement of the present invention, the solar thermal drive device includes a paraffin-based thermal expansion drive cylinder body, which is fixed to the inner wall of the storage box by a bracket. The drive cylinder body is provided with a piston rod, a transmission connecting rod and a return spring. The extended end of the piston rod is connected to one end of the transmission connecting rod by a thread, and the other end of the transmission connecting rod is connected to the hinge shaft of the sunshade wing. When the paraffin wax expands due to heat, it pushes the piston rod to extend. The piston rod drives the hinge shaft to rotate through the transmission link, causing the sunshade to unfold around the hinge. When the temperature drops, the piston rod retracts under the action of the return spring, and pulls the hinge shaft to rotate in the opposite direction through the transmission link, so that the sunshade can be folded and stored.

[0010] As a further improvement of the present invention, the thermo-ventilated structure adopts a thermo-deformable louver structure; the thermo-deformable louver is made of shape memory alloy or thermo-deformable composite material.

[0011] As a further improvement of the present invention, the control unit includes a reinforcement learning algorithm, which controls the shading structure and the thermal ventilation structure respectively, and the control strategy is as follows: When the temperature data is higher than the first set temperature threshold and lower than the second set temperature threshold, a first control command is generated to control the sunshade structure and control the foldable sunshade wings in the sunshade structure to unfold. When the temperature data is higher than the second set temperature threshold, a second control command is generated to control the shading structure.

[0012] Secondly, the present invention provides an energy storage container, including a metal base wall panel, wherein the metal base wall panel is covered with a composite coating structure for heat insulation; It also includes a temperature control linkage structure, which is installed on the metal base wall panel. The temperature control linkage structure adopts the temperature control linkage structure of the energy storage container mentioned above.

[0013] As a further improvement of the present invention, the composite coating structure comprises, in sequence: The reflective functional layer is formed by roller coating and has a thickness of 100~300μm. The phase change heat absorption buffer layer uses microcapsule-type phase change material with a thickness of 0.52 mm; The thermally conductive and corrosion-resistant base layer is made of a composite material of modified silicone-acrylic emulsion and thermally conductive material with a thickness of 50~150μm, or a composite material of epoxy resin and thermally conductive material with a thickness of 50~150μm.

[0014] As a further improvement of the present invention, the coating of the reflective functional layer includes at least one reflective material selected from hollow glass microspheres, nano-titanium oxide, and nano-zinc oxide; the solar reflectivity of the reflective material is not less than 0.85, and the infrared emissivity is not less than 0.80.

[0015] As a further improvement of the present invention, the metal base wall panel is made of galvanized steel sheet or aluminum-magnesium-manganese alloy sheet, and the surface of the galvanized steel sheet or aluminum-magnesium-manganese alloy sheet is pretreated by sandblasting or phosphate.

[0016] The beneficial effects of this invention are as follows: This invention provides a temperature control linkage structure for an energy storage container. Temperature sensors are embedded inside the wall panels, directly sensing the thermal conductivity of the wall panels rather than the ambient temperature, thus eliminating environmental interference. This invention combines sensor-identified temperature thresholds to drive a coordinated response between the shading and ventilation devices, effectively suppressing hot spot formation. By utilizing the ventilation and shading structures, the internal temperature of the container is reduced, thereby lowering the internal temperature of the energy storage container and improving its cycle life. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of the energy storage container and temperature control linkage structure of the present invention; Figure 2 This is a schematic diagram of the composite coating structure of the energy storage container of the present invention; Figure 3 This is a schematic diagram of the logic control of the control unit of the present invention; In the diagram, 1 is the metal base panel; 2 is the composite coating structure; 3 is the temperature sensor; 4 is the shading structure; 5 is the thermal ventilation structure; and 6 is the control unit. Detailed Implementation

[0019] To make the objectives and technical solutions of this invention clearer and easier to understand, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are for illustrative purposes only and are not intended to limit the invention.

[0020] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. The described embodiments are only some embodiments of the present invention, and not all embodiments.

[0021] Example 1 like Figure 1 As shown, this embodiment provides a temperature control linkage structure for an energy storage container. Through the coordinated operation of temperature sensor 3, sunshade structure 4, thermal ventilation structure 5 and control unit 6, intelligent temperature control of the energy storage container is achieved.

[0022] The temperature control linkage structure of the energy storage container described in this embodiment is installed on the energy storage container and mainly includes at least one set of temperature sensors 3, a sunshade structure 4, a thermo-ventilated structure 5, and a control unit 6. These components work together to form a closed-loop temperature control system, which can automatically adjust its operating status according to temperature changes inside and outside the container, ensuring that the energy storage equipment operates in a suitable temperature environment.

[0023] Temperature sensor 3 is embedded inside the target wall panel of the energy storage container and connected to control unit 6 via wired or wireless communication. It is used to acquire and transmit real-time temperature data of the energy storage container to control unit 6. The target wall panel is preferably a side wall panel of the energy storage container that receives prolonged direct sunlight (such as the south side panel) to accurately monitor the impact of direct sunlight on the container's temperature. Specifically, in this embodiment, the target wall panel of the energy storage container is a composite structure of composite coating structure 2 and metal base wall panel 1. Temperature sensor 3 is embedded in composite coating structure 2 to achieve real-time monitoring of local wall surface temperature. The temperature sensor 3 is mainly located on the wall surface with the highest local temperature rise, or evenly distributed at predetermined intervals.

[0024] Temperature sensor 3 is an NTC type temperature sensor 3 or a PT100 type temperature sensor 3, or a combination of both. The NTC type temperature sensor 3 features high sensitivity and fast response, quickly capturing minute temperature changes; the PT100 type temperature sensor 3 offers high measurement accuracy and good stability, suitable for precise measurement over a wide temperature range. The combination of these two types of sensors balances sensitivity and accuracy in temperature monitoring, providing reliable temperature data support for control unit 6. The embedding depth of temperature sensor 3 should ideally contact the core heat transfer layer of the container wall panel, typically 5-10mm inside the panel, and fixed with sealant to ensure a tight fit and good waterproof performance.

[0025] The sunshade structure 4 is positioned above the outer edge of the target wall panel and is communicatively connected to the control unit 6. It unfolds according to the first control command from the control unit 6 to form a sunshade layer that blocks sunlight, reducing heat input from direct sunlight. It retracts when the temperature decreases to avoid affecting the container's natural lighting or heat dissipation. For example, the sunshade structure 4 can be positioned on the upper outer edge of a high-heat target wall surface (such as the west side).

[0026] The sunshade structure 4 specifically includes a foldable sunshade wing, a drive assembly, a guide rail support, and a storage box.

[0027] The foldable sunshade wing is installed on the top edge of the target wall panel and consists of several wing sections. The wing sections employ a multi-segment folding structure, connected by nylon hinges. These hinges offer excellent flexibility and wear resistance, ensuring stable operation during repeated folding and unfolding. The wing section is composed of an aluminum alloy frame and reflective sunshade fabric. The aluminum alloy frame has a U-shaped cross-section, ensuring structural strength while reducing overall weight. The reflective sunshade fabric is made of aluminized film composite fabric, possessing high reflectivity and aging resistance, effectively reflecting infrared and ultraviolet rays from sunlight and reducing the heat absorbed by the sunshade wing. The reflective sunshade fabric is detachably fixed to the aluminum alloy frame using Velcro or clips for easy maintenance and replacement. When unfolded, the foldable sunshade wing forms a shading layer with an angle of 60~120°, blocking direct sunlight and effectively reducing solar heat radiation input.

[0028] The drive assembly employs either a solar thermal drive or an electric drive to deploy or retract the foldable sunshade wing according to a first control command. In this embodiment, a solar thermal drive is preferred to achieve energy conservation and consumption reduction; under insufficient sunlight conditions or special operating conditions, it can be switched to an electric drive as a backup.

[0029] The solar thermal drive device includes a paraffin-based thermal expansion drive cylinder, which is fixed to the inner wall of the storage box by a bracket. Inside the cylinder are a piston rod, a transmission rod, and a return spring. The extended end of the piston rod is threaded to one end of the transmission rod, and the other end of the transmission rod is connected to the hinge shaft of the sunshade wing. When sunlight causes the ambient temperature to rise, the paraffin inside the cylinder expands due to heat, pushing the piston rod out. The piston rod, through the transmission rod, drives the hinge shaft to rotate, causing the sunshade wing to gradually unfold around the hinge, forming a shading layer. When the temperature drops, the paraffin contracts, and under the elastic force of the return spring, the piston rod retracts, pulling the hinge shaft in the opposite direction through the transmission rod, thus folding and storing the sunshade wing.

[0030] The electric drive unit uses a DC geared motor. The motor output is connected to the drive shaft of the sunshade wing through a gear transmission mechanism. The motor is connected to the control unit 6 through a relay. According to the instructions of the control unit 6, the motor rotates forward and backward to realize the deployment or retraction of the sunshade wing. The limit switches control the extreme positions of deployment and retraction to prevent excessive movement from causing structural damage.

[0031] The foldable sunshade features guide rails on both sides, made of aluminum alloy profiles with built-in wear-resistant sliders. These sliders are made of polytetrafluoroethylene (PTFE), offering low friction and high wear resistance. The sliders are bolted to the sides of the sunshade. When the wing is unfolded or retracted, the sliders move along the linear tracks of the guide rails, providing stable support and guidance for the sunshade, ensuring a smooth and seamless unfolding process.

[0032] A storage box is located at the corresponding position when the sunshade mechanism is not deployed. The box body is made of cold-rolled steel plate with an anti-corrosion treatment. The box body is fixed to the wall panel of the energy storage container with expansion bolts, ensuring a firm and reliable connection. The internal space dimensions of the storage box match the folded sunshade wing, ensuring that the sunshade wing can be completely inserted into the box when folded, preventing damage from the external environment. A waterproof cover is provided on the top of the storage box to prevent rainwater from entering the box and affecting the operation of the drive components.

[0033] The thermal ventilation structure 5 is located in the middle of the target wall panel of the energy storage container and is connected to the control unit 6. It is used to open the ventilation gap according to the second control command of the control unit 6 to realize the air circulation and heat dissipation inside and outside the container.

[0034] The thermo-ventilated structure 5 employs a thermo-deformable louver structure. The louver blades are made of shape memory alloy materials (such as nickel-titanium alloys) or thermo-deformable composite materials (such as carbon fiber reinforced resin matrix composites). Shape memory alloys have unique thermo-deformable properties, deforming when the temperature rises to a specific threshold; thermo-deformable composite materials undergo bending deformation due to the difference in the thermal expansion coefficients of different materials. In this embodiment, the louver blades are made of nickel-titanium shape memory alloy. When the temperature inside the container rises to a set value, the blades deform and rotate around their axis to open the ventilation gaps; when the temperature drops, the blades return to their original shape, closing the ventilation gaps. The ventilation gap size of the thermo-ventilated structure 5 can be designed according to actual heat dissipation requirements. Typically, the width of a single gap is 5-10 mm, and the total ventilation area is not less than 5% of the target wall panel area.

[0035] The control unit 6 employs an industrial-grade microcontroller (such as an MCU control chip), with built-in communication, data storage, and reinforcement learning algorithm modules. It establishes communication connections with the temperature sensor 3, the drive components of the shading structure 4 (in electric drive mode), and the thermally induced ventilation structure 5, respectively. The core function of the control unit 6 is to acquire temperature data transmitted by the temperature sensor 3 in real time, compare the temperature data with a set temperature threshold, and generate corresponding control commands based on the reinforcement learning algorithm to achieve intelligent regulation of the shading structure 4 and the thermally induced ventilation structure 5, such as... Figure 3 As shown.

[0036] In this embodiment, two temperature thresholds are set: the first temperature threshold is 42±2℃, and the second temperature threshold is 45℃. These can be adjusted according to the climate conditions of different regions and the characteristics of energy storage equipment.

[0037] When the temperature data is higher than the first set temperature threshold (42℃) and lower than the second set temperature threshold (45℃), the control unit 6 generates a first control command to control the sunshade structure 4. If a solar thermal drive device is used, the paraffin wax expands due to heat and begins to drive the sunshade wings to unfold. The control unit 6 provides auxiliary control by monitoring the unfolding status of the sunshade wings. If an electric drive device is used, the motor is directly commanded to rotate forward, driving the foldable sunshade wings to unfold to a preset angle (usually 60-90°) to form a shading layer and reduce the input of direct sunlight heat.

[0038] When the temperature exceeds the second set temperature threshold (45°C), the control unit 6 generates a second control command for the thermo-ventilated structure 5. At this point, with the sunshade already deployed, the control unit 6 instructs the thermo-ventilated structure 5 to enhance ventilation, or monitors the opening status of the thermo-deformable louvers to ensure the ventilation gaps are fully open, accelerating air convection and heat dissipation inside and outside the container. Simultaneously, the reinforcement learning algorithm dynamically adjusts the sunshade deployment angle and the degree of ventilation gap opening based on historical temperature change data, ambient light intensity, and other factors, optimizing temperature control.

[0039] When the temperature drops below 40°C in the evening, the sunshade wings gradually fold and are stored in the storage box under the command of the reset spring or control unit 6, and the louvers of the thermal ventilation structure 5 close, completing one temperature control cycle.

[0040] The temperature control linkage structure of the energy storage container in this embodiment achieves real-time temperature monitoring and intelligent regulation through the coordinated operation of temperature sensor 3, sunshade structure 4, thermo-ventilated structure 5, and control unit 6. Utilizing solar thermal drive and thermo-deformable materials reduces dependence on external energy sources, resulting in energy conservation and environmental protection. The application of reinforcement learning algorithms improves the adaptability and optimization of the temperature control strategy. The modular structural design facilitates installation and maintenance, and can be widely applied to temperature control scenarios for various energy storage containers, effectively ensuring the safe and stable operation of energy storage equipment.

[0041] Example 2 This embodiment provides an energy storage container, such as Figures 1 to 3 As shown, the energy storage container in this embodiment innovatively integrates a metal base wall panel 1, a composite coating structure 2, and a temperature control linkage structure. Through the synergistic effect of multiple structures, the container's heat insulation and temperature control capabilities are significantly improved, creating a stable and suitable operating environment for the internal energy storage equipment.

[0042] The metal base panel 1 serves as the main structural frame of the energy storage container, using galvanized steel sheet or aluminum-magnesium-manganese alloy sheet with a thickness of 1.2~2.0mm. Galvanized steel sheet has good corrosion resistance and high strength, providing solid structural support for the container; aluminum-magnesium-manganese alloy sheet has advantages such as light weight, excellent corrosion resistance, and good ductility, which can effectively reduce the overall weight of the container while ensuring structural stability.

[0043] In addition, properly galvanized steel sheets or aluminum-magnesium-manganese alloy sheets require pretreatment such as sandblasting or phosphate phosphating. Sandblasting removes impurities such as oxide scale, rust, and oil from the sheet surface using high-speed abrasive jets, creating a certain roughness that enhances the adhesion between the coating and the sheet. Phosphating, on the other hand, uses a chemical reaction to generate a uniform and dense phosphate film on the sheet surface, which not only improves the sheet's corrosion resistance but also further enhances the adhesion of the coating, thus strengthening both the adhesion and corrosion resistance.

[0044] The composite coating structure 2 is sequentially applied to the surface of the metal substrate 1, and consists of a reflective functional layer, a phase change heat absorption buffer layer, and a thermally conductive and corrosion-resistant underlayer. The reflective functional layer is formed by roller coating, with a thickness of 100~300μm. The coating contains high reflective materials such as hollow glass microspheres, nano titanium dioxide and nano zinc oxide, forming a surface micro-rough structure to enhance the scattering and reflection effect of solar radiation. The overall solar reflectivity of the reflective functional layer is not less than 0.85 and the infrared emissivity is not less than 0.80. The phase change heat absorption buffer layer uses a microcapsule phase change material mainly composed of paraffin wax. Its phase change temperature range is 40~48°C, its latent heat per unit mass is ≥180kJ / kg, its thickness is 0.5~2mm, and its thermal conductivity is not less than 0.5W / m·K. In this embodiment, the phase change heat absorption buffer layer is a 0.52mm thick microcapsule-type phase change material layer. The microcapsules are filled with paraffin wax phase change substances, the phase change temperature is controlled at 40~48°C, and the latent heat per unit mass is greater than 180kJ / kg. This layer is bonded to the reflective layer through a resin matrix, possessing excellent heat buffering capacity. When the wall temperature rises to the phase change point, the microcapsules absorb heat and melt, achieving energy release and heat flow delay. The thermally conductive and anti-corrosion base layer uses modified silicone-acrylic emulsion or epoxy resin as the base, and adds thermally conductive reinforcing materials such as alumina and silicon micro powder. It has good corrosion resistance and thermal conductivity, and is directly bonded to the metal base wall panel 11. The interface bonding strength is not less than 1.5MPa, and the thickness of the thermally conductive and anti-corrosion base layer is 50~150μm.

[0045] The temperature control linkage structure adopts the structure in Example 1. The temperature control linkage structure includes at least one set of temperature sensors 3, a shading structure 4, a thermo-ventilated structure 5, and a control unit 6. The temperature sensors 3 are embedded inside the metal base wall panel 1, monitoring the panel temperature in real time and transmitting the data to the control unit 6. The shading structure 4 is positioned above the outer edge of the metal base wall panel 1, unfolding to form a shading layer according to the first control command from the control unit 6, reducing heat from direct sunlight. The thermo-ventilated structure 5 is located in the middle of the metal base wall panel 1, opening ventilation gaps according to the second control command from the control unit 6 to achieve air circulation and heat dissipation. The control unit 6 intelligently controls the shading structure 4 and the thermo-ventilated structure 5 based on the data from the temperature sensors 3 and set thresholds using a reinforcement learning algorithm.

[0046] In actual operation, the composite coating structure 2 first reflects most of the solar radiation through the reflective functional layer, the phase change heat storage buffer layer absorbs and buffers the small amount of heat that passes through, and the thermally conductive and corrosion-resistant bottom layer assists in heat conduction and corrosion protection. When the temperature of the metal base panel 1 still exceeds the set threshold after being treated by the composite coating structure 2, the temperature control linkage structure starts to work: when the temperature is higher than 42℃ but lower than 45℃, the shading structure 4 unfolds to provide shading; when the temperature is higher than 45℃, the thermally induced ventilation structure 5 opens the ventilation gaps to dissipate heat. Through this multi-layered and coordinated temperature control method, the internal temperature of the energy storage container is always maintained within a suitable range.

[0047] In summary, the energy storage container employs a dual-optimized thermal control approach of "directional + responsive," which significantly reduces localized wall temperature rise, particularly effectively suppressing concentrated heat loads on the west side caused by specific time periods (such as before sunset). The metal base panel 1, serving as the fundamental load-bearing structure, is made of galvanized steel or aluminum-magnesium-manganese alloy. After sandblasting or phosphate pretreatment, it not only provides robust support but also a stable foundation for the subsequent thermal control structure. Sandblasting removes surface impurities and increases roughness, while phosphate treatment forms a dense phosphate film, both significantly enhancing the adhesion to the composite coating and ensuring the stability of the thermal control system.

[0048] When the western wall receives direct sunlight before sunset, causing a concentrated heat load, the temperature sensor 3 in the temperature control linkage structure captures local temperature rise data in real time and transmits it to the control unit 6. The control unit 6 responds quickly based on a reinforcement learning algorithm, prioritizing the deployment of the shading structure 4 on the western wall to form directional shading and reduce heat input at the source; at the same time, combined with the synergistic effect of the composite coating structure 2, it achieves precise cooling of the local high-load area, preventing abnormal increases in wall temperature.

Claims

1. A temperature control linkage structure for an energy storage container, characterized in that, Installed on the energy storage container, it includes: at least one set of temperature sensors, a sunshade structure, a thermal ventilation structure, and a control unit; The temperature sensor is embedded inside the target wall panel of the energy storage container and is connected in communication with the control unit. The temperature sensor is used to acquire the temperature of the energy storage container and transmit it to the control unit. The sunshade structure is disposed above the outer edge of the target wall panel and is communicatively connected to the control unit. It is used to form a sunshade layer that blocks sunlight according to the first control command of the control unit. The thermal ventilation structure is located in the middle of the target wall panel of the energy storage container and is connected in communication with the control unit to open the ventilation gap according to the second control command of the control unit. The control unit is used to acquire temperature data transmitted by the temperature sensor in real time, compare the temperature data with a set temperature threshold, and generate a first control command to control the shading structure, and / or generate a second control command to control the shading structure.

2. The temperature control linkage structure of the energy storage container according to claim 1, characterized in that, The temperature sensor is an NTC type temperature sensor and / or a PT100 type temperature sensor.

3. The temperature control linkage structure of the energy storage container according to claim 1, characterized in that, The sunshade structure includes a foldable sunshade wing, a drive assembly, a guide rail support, and a storage box. The foldable sunshade wing is installed on the top edge of the target wall panel and includes several wing panels. The wing panels have a multi-segment foldable structure and are connected by nylon hinges. The wing panels are composed of an aluminum alloy frame and a reflective sunshade cloth. The aluminum alloy frame has a U-shaped cross section. The reflective sunshade cloth is detachably fixed to the aluminum alloy frame. The drive component uses a solar thermal drive device or an electric drive device to drive the foldable sunshade wings to unfold according to a first control command, form a shading layer, and be stored when the temperature drops. The guide rail support is installed on both sides of the foldable sun shade wing. The guide rail support has a built-in wear-resistant slider. The wear-resistant slider is connected to the side of the sun shade wing and is used to move in a straight line when the wing is unfolded or retracted. The storage box is located in the corresponding position when the sunshade structure is not unfolded, and the storage box body is fixed to the wall panel of the energy storage container by expansion bolts; the internal space dimensions of the storage box match the foldable sunshade wing after folding.

4. The temperature control linkage structure of the energy storage container according to claim 3, characterized in that, The solar thermal drive device includes a paraffin-based thermal expansion drive cylinder body, which is fixed to the inner wall of the storage box by a bracket. The drive cylinder body is provided with a piston rod, a transmission connecting rod and a return spring. The extended end of the piston rod is connected to one end of the transmission connecting rod by a thread, and the other end of the transmission connecting rod is connected to the hinge shaft of the sunshade wing. When the paraffin wax expands due to heat, it pushes the piston rod to extend. The piston rod drives the hinge shaft to rotate through the transmission link, causing the sunshade to unfold around the hinge. When the temperature drops, the piston rod retracts under the action of the return spring, and pulls the hinge shaft to rotate in the opposite direction through the transmission link, so that the sunshade can be folded and stored.

5. The temperature control linkage structure of the energy storage container according to claim 1, characterized in that, The thermally induced ventilation structure adopts a thermally deformable louver structure; the thermally deformable louver is made of shape memory alloy or thermally deformable composite material.

6. The temperature control linkage structure of the energy storage container according to claim 1, characterized in that, The control unit includes a reinforcement learning algorithm, which controls the shading structure and the thermal ventilation structure respectively based on the reinforcement learning algorithm. The control strategy is as follows: When the temperature data is higher than the first set temperature threshold and lower than the second set temperature threshold, a first control command is generated to control the sunshade structure and control the foldable sunshade wings in the sunshade structure to unfold. When the temperature data is higher than the second set temperature threshold, a second control command is generated to control the shading structure.

7. An energy storage container, characterized in that, It includes a metal base wall panel covered with a composite coating structure for heat insulation; It also includes a temperature control linkage structure, which is installed on the metal base wall panel. The temperature control linkage structure adopts the temperature control linkage structure of the energy storage container as described in any one of claims 1 to 6.

8. The energy storage container according to claim 7, characterized in that, The composite coating structure comprises, in sequence: The reflective functional layer is formed by roller coating and has a thickness of 100~300μm. The phase change heat absorption buffer layer uses microcapsule-type phase change material with a thickness of 0.52 mm; The thermally conductive and corrosion-resistant base layer is made of a composite material of modified silicone-acrylic emulsion and thermally conductive material with a thickness of 50~150μm, or a composite material of epoxy resin and thermally conductive material with a thickness of 50~150μm.

9. The energy storage container according to claim 8, characterized in that, The coating of the reflective functional layer includes at least one reflective material selected from hollow glass microspheres, nano-titanium oxide, and nano-zinc oxide; the solar reflectivity of the reflective material is not less than 0.85, and the infrared emissivity is not less than 0.

80.

10. The energy storage container according to claim 7, characterized in that, The metal base wall panel is made of galvanized steel sheet or aluminum-magnesium-manganese alloy sheet, and the surface of the galvanized steel sheet or aluminum-magnesium-manganese alloy sheet is pretreated by sandblasting or phosphate.

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