Liquid cooling temperature control method, system and controller of photovoltaic curtain wall

Abstract

The invention provides a liquid cooling temperature control method and system for a photovoltaic curtain wall and a controller. The system comprises a photovoltaic glass assembly. The vapor chamber comprises a first end face and a second end face which are oppositely arranged, and the back face of the photovoltaic glass assembly is bonded with the first end face of the vapor chamber; the liquid cooling pipe is filled with cooling liquid, and the liquid cooling pipe is welded on the second end face of the vapor chamber; the temperature sensor is arranged on the photovoltaic glass assembly; the cooling circulation assembly is connected with the liquid cooling pipe, and heat of the photovoltaic glass assembly is transmitted to the cooling circulation assembly through the vapor chamber and the liquid cooling pipe; and the controller is used for acquiring the assembly temperature measured by the temperature sensor and controlling the cooling circulation assembly to be opened / closed according to the temperature, and when the cooling circulation assembly is opened, the cooling liquid in the liquid cooling pipe circularly flows, and the cooling circulation assembly further dissipates heat of the cooling liquid, so that rapid heat dissipation of the photovoltaic glass assembly is realized. The system provided by the invention not only helps to improve the performance of the photovoltaic module, but also can save energy cost for users in practical application.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic technology, and in particular to a liquid cooling temperature control method, system and controller for a photovoltaic curtain wall. Background Art

[0002] In the field of photovoltaic curtain walls, current photovoltaic modules generate a lot of heat during operation. Taking laminated photovoltaic glass as an example, the heat generated will not only cause the indoor temperature to rise, thereby increasing air conditioning energy consumption, but also accelerate the aging of materials, resulting in faster battery decay and reduced photoelectric conversion efficiency, ultimately shortening the service life of the photovoltaic curtain wall. Existing heat dissipation methods mostly use natural heat dissipation, which mainly relies on heat exchange between the module and the surrounding air, and has extremely low heat dissipation efficiency. Especially in high temperature environments or high light intensity, natural heat dissipation cannot effectively reduce the temperature of the module, resulting in excessively high module temperature, further affecting its performance and life.

[0003] In addition, the existing heat dissipation solutions do not pay enough attention to the heat dissipation around the photovoltaic curtain wall components, which easily leads to heat accumulation at the edges, resulting in excessive local temperature and affecting the overall heat dissipation effect. This will not only reduce the photoelectric conversion efficiency, but also accelerate the aging of the materials at the edge of the components, thereby shortening the service life of the entire photovoltaic curtain wall.

[0004] Therefore, how to effectively solve the heat dissipation problem of photovoltaic curtain walls, improve their photoelectric conversion efficiency and extend their service life has become a technical problem that needs to be solved urgently. Summary of the invention

[0005] The present application provides a liquid cooling temperature control method, system and controller for photovoltaic curtain walls, aiming to solve the problem that current photovoltaic modules generate a large amount of heat during operation. In particular, taking laminated photovoltaic power generation glass as an example, the heat generated not only causes the indoor temperature to rise, thereby increasing the energy consumption of air conditioning, but also accelerates the aging of materials, resulting in faster battery attenuation, reduced photoelectric conversion efficiency, and ultimately shortening the service life of photovoltaic curtain walls.

[0006] In a first aspect, the present application provides a liquid cooling temperature control system for a photovoltaic curtain wall, comprising:

[0007] Photovoltaic glass modules;

[0008] A vapor chamber, the vapor chamber comprising a first end surface and a second end surface arranged opposite to each other, the back surface of the photovoltaic glass assembly being bonded to the first end surface of the vapor chamber;

[0009] A liquid cooling tube, wherein a coolant is placed in the liquid cooling tube, and the liquid cooling tube is welded to the second end surface of the heat spreader;

[0010] A temperature sensor, the temperature sensor being arranged on the photovoltaic glass assembly and being used to measure the assembly temperature of the photovoltaic glass assembly;

[0011] A cooling circulation component, wherein the cooling circulation component is connected to the liquid cooling pipe, and the heat of the photovoltaic glass component is transferred to the cooling circulation component via a heat sink and a liquid cooling pipe;

[0012] A controller is electrically connected to the cooling cycle component and the temperature sensor, and is used to obtain the component temperature measured by the temperature sensor, and control the cooling cycle component to be turned on / off according to the temperature. When the cooling cycle component is turned on, the coolant in the liquid cooling pipe circulates, and the cooling cycle component also dissipates heat from the coolant to achieve rapid heat dissipation of the photovoltaic glass component.

[0013] In some embodiments, the back side of the photovoltaic glass assembly is bonded to the first end face of the heat spreader via a thermally conductive adhesive, and the material type of the thermally conductive adhesive is any one of epoxy resin, polyurethane, and silicone; the thermal conductivity of the thermally conductive adhesive corresponds to a range of 1 W / (m·K) to 2 W / (m·K).

[0014] In some embodiments, the liquid cooling tube is an aluminum flat round tube, so that the long side of the liquid cooling tube is in full contact with the heat sink.

[0015] In some embodiments, the coolant is a mixture of water and ethylene glycol, the number of the liquid cooling tubes is multiple, and two adjacent liquid cooling tubes are connected to each other through a flange.

[0016] In some embodiments, the cooling cycle component includes: a coolant storage tank, which is connected to the liquid cooling pipe to form a cooling circuit; a liquid pump, which is used to drive the coolant in the cooling cycle component to circulate in the liquid cooling pipe; and a radiator, which is used to cool the coolant in the cooling circuit after absorbing heat from the photovoltaic glass component, so that the coolant can be circulated in the cooling circuit.

[0017] Exemplarily, the radiator is fixed on the frame of the photovoltaic glass assembly and faces the outdoors; the radiator includes a plurality of cooling fins, and the cooling fins are wavy in shape to increase the cooling area; the cooling fins are perpendicular to the air flow direction to enhance the air convection cooling effect; wherein, when the coolant transfers the heat to the cooling fins, the cooling fins dissipate the heat into the outdoor air.

[0018] In some embodiments, it also includes a liquid level sensor, which is used to measure the liquid level information of the coolant in the liquid cooling tube; a flow sensor, which is used to measure the flow information of the coolant in the liquid cooling tube; wherein the controller is electrically connected to the flow sensor and the liquid level sensor, and when the cooling cycle component is turned on, the controller generates power control information corresponding to the cooling cycle component according to the liquid level information, flow information and component temperature.

[0019] Exemplarily, the expression of the power control information includes: ;

[0020] Wherein, P is the power value corresponding to the power control information, is the target temperature corresponding to the photovoltaic glass assembly, is the liquid level value corresponding to the liquid level information, T is the component temperature, is the flow value corresponding to the flow information, It is the minimum flow rate required by the cooling circuit components to achieve the best heat dissipation effect. is the minimum coolant level value of the cooling circuit components, , and There are multiple preset thresholds respectively.

[0021] It should be noted that, in some embodiments, the controller also obtains quality detection information of the coolant; the quality detection information includes one or more of appearance information, freezing point information, boiling point information, and heat capacity detection information; and determines whether the coolant needs to be replaced based on the liquid level information, flow information, and quality detection information.

[0022] In some embodiments, the liquid level sensor includes any one of a float type liquid level sensor, a static pressure type liquid level sensor, and an ultrasonic liquid level sensor.

[0023] In some embodiments, the flow sensor includes a first differential pressure gauge and a second differential pressure gauge, and the first differential pressure gauge and the second differential pressure gauge are respectively arranged at a first preset position and a second preset position in the liquid cooling tube to cooperate in measuring the flow information corresponding to the first preset position and the second preset position.

[0024] In a second aspect, the present application provides a liquid cooling temperature control method for a photovoltaic curtain wall, which is applied to a controller of a liquid cooling temperature control system for a photovoltaic curtain wall provided in any embodiment of the present application, and the method includes:

[0025] Obtaining the temperature of the component measured by a temperature sensor;

[0026] Obtaining the liquid level information of the coolant in the liquid cooling pipe measured by the liquid level sensor;

[0027] Obtaining flow information of the coolant in the liquid cooling pipe measured by a flow sensor;

[0028] If the component temperature is greater than a preset opening temperature, the cooling cycle component is controlled to open according to the temperature;

[0029] Power control information corresponding to the cooling cycle component is generated according to the component temperature, liquid level information and flow information, so as to control the cooling cycle component to quickly cool down the photovoltaic glass component.

[0030] In a third aspect, the present application provides a liquid cooling temperature control device for a photovoltaic curtain wall, which is applied to a controller of a liquid cooling temperature control system for a photovoltaic curtain wall provided in any embodiment of the present application, and the device includes:

[0031] The temperature acquisition unit is used to acquire the temperature of the component measured by the temperature sensor.

[0032] The liquid level acquisition unit is used to obtain the liquid level information of the coolant in the liquid cooling pipe measured by the liquid level sensor.

[0033] The flow acquisition unit is used to acquire the flow information of the coolant in the liquid cooling pipe measured by the flow sensor.

[0034] The start control unit is used to control the cooling cycle component to start according to the temperature if the component temperature is greater than a preset start temperature.

[0035] A temperature-lowering control unit is used to generate power control information corresponding to the cooling cycle component according to the component temperature, liquid level information and flow information, so as to control the cooling cycle component to quickly cool down the photovoltaic glass component.

[0036] In a fourth aspect, the present application provides a controller, comprising a memory and a processor, the memory being used to store a computer program, the processor being used to execute the computer program and to implement the steps of the liquid cooling temperature control method for a photovoltaic curtain wall as provided in any embodiment of the present application when executing the computer program.

[0037] In a fifth aspect, the present application provides a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, the processor implements the steps of a liquid cooling temperature control method for a photovoltaic curtain wall as provided in any embodiment of the present application.

[0038] The embodiment of the present application provides a liquid cooling temperature control method, system and controller for a photovoltaic curtain wall, which aims to improve the operating temperature of photovoltaic modules through an efficient cooling mechanism, especially for the temperature rise effect encountered by laminated photovoltaic power generation glass in application. Among them, the photovoltaic glass module is the core component of photoelectric conversion, which is responsible for converting solar energy into electrical energy. The heat sink is installed on the back of the photovoltaic glass module and has excellent thermal conductivity. Its first end face is directly bonded to the photovoltaic module to ensure the effective conduction of heat; the second end face is connected to the liquid cooling pipe to achieve rapid evacuation of heat. The liquid cooling pipe is filled with coolant, which absorbs heat through close contact with the heat sink and brings the heat to the cooling cycle component for heat dissipation. The temperature sensor is deployed on the photovoltaic glass component, which can monitor the working temperature of the component in real time and provide accurate data support for the controller. The cooling cycle component is connected to the liquid cooling pipe, which is responsible for the circulation of the coolant and the final discharge of heat. It can adopt air cooling, water cooling or other forms of heat dissipation. The controller integrates temperature monitoring and cooling control functions, and can intelligently judge whether the cooling cycle component needs to be started through the data collected by the temperature sensor to maintain the photovoltaic module working within an ideal temperature range.

[0039] The system provided thereby has at least the following beneficial effects:

[0040] 1. Improve photoelectric conversion efficiency: Through effective temperature management, photovoltaic glass components can be kept running at a lower operating temperature, thereby improving their photoelectric conversion efficiency. For every 1°C decrease in temperature, the efficiency of photovoltaic panels can theoretically increase by about 0.5%.

[0041] 2. Extend the life of the module: High temperature will accelerate the degradation of the internal materials of the photovoltaic module and reduce its service life. This system can effectively reduce the temperature of the module, slow down the aging process, and extend the service life of the photovoltaic curtain wall.

[0042] 3. Reduce air conditioning energy consumption: Especially for photovoltaic curtain walls on building walls, if the heat generated by the components cannot be dissipated in time, it will cause the indoor temperature to rise and increase the burden on the air conditioning system. After adopting this system, the indoor temperature rise caused by the heating of photovoltaic components can be effectively reduced, which indirectly reduces the energy consumption of the air conditioning system.

[0043] 4. Optimize energy structure: By improving the efficiency of photovoltaic power generation and reducing other energy consumption such as air conditioning, it helps to optimize the energy structure of buildings and achieve the goal of green buildings.

[0044] 5. Intelligent management: The controller can automatically adjust the opening and closing of the cooling system according to real-time temperature data, which not only realizes the precise control of the temperature of photovoltaic modules, but also reduces unnecessary power waste and improves the economy of the system.

[0045] In summary, the liquid cooling temperature control system and control method of the photovoltaic curtain wall is an innovative solution to the high temperature challenges faced by the current photovoltaic industry. It not only helps to improve the performance of photovoltaic modules, but also saves energy costs for users in practical applications. It is of great significance to promote the application and popularization of green energy.

[0046] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0048] Figure 1 is an exploded schematic diagram of a liquid cooling temperature control system provided in one embodiment of the present application;

[0049] Figure 2 This is a schematic flow chart of the steps of a liquid cooling temperature control method provided in one embodiment of the present application;

[0050] Figure 3 It is a structural schematic diagram of a liquid cooling temperature control device provided in one embodiment of the present application;

[0051] Figure 4 It is a schematic block diagram of the structure of a controller provided in one embodiment of the present application.

[0052] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0054] The flowcharts shown in the accompanying drawings are only examples and do not necessarily include all the contents and operations / steps, nor must they be executed in the order described. For example, some operations / steps may also be decomposed, combined or partially merged, so the actual execution order may change according to actual conditions.

[0055] It should be understood that, in order to facilitate the clear description of the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", etc. are used to distinguish the same items or similar items with substantially the same functions and effects. Those skilled in the art can understand that the words "first", "second", etc. do not limit the quantity and execution order, and the words "first", "second", etc. do not necessarily limit the difference.

[0056] It should be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0057] It should also be understood that the term “and / or” used in the specification and appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0058] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0059] In the field of photovoltaic curtain walls, current photovoltaic modules generate a lot of heat during operation. Taking laminated photovoltaic glass as an example, the heat generated will not only cause the indoor temperature to rise, thereby increasing air conditioning energy consumption, but also accelerate the aging of materials, resulting in faster battery decay and reduced photoelectric conversion efficiency, ultimately shortening the service life of the photovoltaic curtain wall. Existing heat dissipation methods mostly use natural heat dissipation, which mainly relies on heat exchange between the module and the surrounding air, and has extremely low heat dissipation efficiency. Especially in high temperature environments or high light intensity, natural heat dissipation cannot effectively reduce the temperature of the module, resulting in excessively high module temperature, further affecting its performance and life.

[0060] In addition, the existing heat dissipation solutions do not pay enough attention to the heat dissipation around the photovoltaic curtain wall components, which easily leads to heat accumulation at the edges, resulting in excessive local temperature and affecting the overall heat dissipation effect. This will not only reduce the photoelectric conversion efficiency, but also accelerate the aging of the materials at the edge of the components, thereby shortening the service life of the entire photovoltaic curtain wall.

[0061] Therefore, how to effectively solve the heat dissipation problem of photovoltaic curtain walls, improve their photoelectric conversion efficiency and extend their service life has become a technical problem that needs to be solved urgently.

[0062] To solve the above problems, please refer to Figure 1The present application provides a liquid cooling temperature control system for a photovoltaic curtain wall, comprising: a photovoltaic glass component 1; a soaking plate 2, wherein the soaking plate 2 comprises a first end face and a second end face arranged opposite to each other, and the back of the photovoltaic glass component 1 is bonded to the first end face of the soaking plate 2; a liquid cooling tube 3, wherein a coolant is placed in the liquid cooling tube 3, and the liquid cooling tube 3 is welded to the second end face of the soaking plate 2; a temperature sensor, wherein the temperature sensor is arranged on the photovoltaic glass component 1 and is used to measure the component temperature of the photovoltaic glass component 1; a cooling cycle component, wherein the cooling cycle component is connected to the liquid cooling tube 3, and the heat of the photovoltaic glass component 1 is transferred to the cooling cycle component via the soaking plate 2 and the liquid cooling tube 3; a controller, wherein the controller is electrically connected to the cooling cycle component and the temperature sensor, and the controller is used to obtain the component temperature measured by the temperature sensor, and control the cooling cycle component to be turned on / off according to the temperature. When the cooling cycle component is turned on, the coolant in the liquid cooling tube 3 circulates, and the cooling cycle component also dissipates heat from the coolant to achieve rapid heat dissipation of the photovoltaic glass component 1.

[0063] Specifically, the present application provides a liquid cooling temperature control system for a photovoltaic curtain wall, which aims to solve the problem of heat generated by photovoltaic curtain wall components during operation, improve their photoelectric conversion efficiency and extend their service life. The main components of the system include: Photovoltaic glass component 1: used to convert solar energy into electrical energy. Heat spreader 2: includes a first end face and a second end face that are relatively arranged. The first end face is bonded to the back of the photovoltaic glass component 1 to achieve efficient heat conduction. Liquid cooling tube 3: contains coolant, welded to the second end face of the heat spreader 2, and is used to conduct heat from the heat spreader 2 to the cooling cycle component. Temperature sensor: arranged on the photovoltaic glass component 1, used to measure the temperature of the component. Cooling cycle component: connected to the liquid cooling tube 3, responsible for the circulation and heat dissipation of the coolant. Controller: electrically connected to the cooling cycle component and the temperature sensor, used to obtain the component temperature measured by the temperature sensor, and control the opening and closing of the cooling cycle component according to the temperature.

[0064] For example, assuming that a building uses a photovoltaic curtain wall for solar power generation, the system operates as follows: Temperature monitoring: The temperature sensor monitors the temperature of the photovoltaic glass component 1 in real time and sends the data to the controller. Temperature judgment: After receiving the temperature data, the controller determines whether the component temperature exceeds the preset threshold (for example, 45°C). Cooling cycle: If the temperature exceeds the threshold, the controller will start the cooling cycle component to circulate the coolant in the liquid cooling tube 3. Heat transfer: The heat generated by the photovoltaic glass component 1 is transferred to the heat spreader 2 through the adhesive layer, and the heat spreader 2 then evenly distributes the heat to the second end face and transfers the heat to the cooling cycle component through the liquid cooling tube 3. Heat dissipation: The cooling cycle component dissipates heat from the flowing coolant, reduces the temperature in the liquid cooling tube 3, and thus achieves rapid heat dissipation of the photovoltaic glass component 1. Temperature recovery: When the component temperature drops to a safe range (for example, 30°C), the controller will stop the operation of the cooling cycle component to save energy.

[0065] Furthermore, through an effective liquid cooling and heat dissipation system, the temperature of the photovoltaic glass component 1 in a high temperature environment can be significantly reduced, thereby improving its photoelectric conversion efficiency. The provided liquid cooling temperature control system can effectively avoid the aging problem of the material and battery of the photovoltaic component caused by high temperature, slow down the attenuation rate of the battery, and extend the service life of the photovoltaic curtain wall. The design of the heat spreader 2 and the liquid cooling tube 3 can ensure that the heat is evenly distributed on the back of the component, avoid local excessive temperature, and improve the overall heat dissipation effect. Through the coordinated work of the temperature sensor and the controller, the system can monitor the component temperature in real time and automatically adjust the operating status of the cooling cycle component to achieve intelligent temperature control. The liquid cooling and heat dissipation system is only started at high temperatures, saving unnecessary energy consumption and improving the energy efficiency ratio of the overall system.

[0066] In summary, the application of this liquid cooling temperature control system in the field of photovoltaic curtain walls can effectively solve the heat problem generated by photovoltaic modules during operation, improve their photoelectric conversion efficiency and extend their service life, and has significant technical and economic advantages.

[0067] In some embodiments, the back side of the photovoltaic glass assembly 1 is bonded to the first end face of the heat spreader 2 via a thermally conductive adhesive, and the material type of the thermally conductive adhesive is any one of epoxy resin, polyurethane, and silicone; the thermal conductivity of the thermally conductive adhesive corresponds to a range of 1 W / (m·K) to 2 W / (m·K).

[0068] The thermal conductivity of the thermal conductive adhesive is between 1 W / (m·K) and 2 W / (m·K), which can efficiently transfer the heat generated by the photovoltaic glass assembly 1 to the heat spreader 2, reduce heat accumulation, and improve heat dissipation efficiency. The choice of epoxy resin, polyurethane or silicone thermal conductive adhesive can be based on the actual application scenario and cost requirements to ensure the reliability and durability of the material. These materials have good bonding properties and can ensure a long-term stable connection between the photovoltaic glass assembly 1 and the heat spreader 2, preventing heat conduction failure due to poor bonding.

[0069] In some embodiments, the liquid cooling tube 3 is an aluminum flat round tube, so that the long side of the liquid cooling tube 3 is in full contact with the heat spreader 2 .

[0070] Aluminum material has high thermal conductivity and can quickly transfer the heat on the heat spreader 2 to the coolant, improving the heat dissipation efficiency. The flat round tube design allows the long side of the liquid cooling tube 3 to fully contact the heat spreader 2, increasing the heat conduction area and further improving the heat dissipation effect. At the same time, compared with other shapes such as round tubes, the flat round tube design is more suitable for layout in a limited space, making the overall system more compact and beautiful.

[0071] In some embodiments, the coolant is a mixture of water and ethylene glycol, the number of the liquid cooling tubes 3 is multiple, and two adjacent liquid cooling tubes 3 are connected to each other through a flange.

[0072] The mixture of water and ethylene glycol has good antifreeze performance and is suitable for use in cold areas to prevent the liquid cooling system from freezing in low temperature environments. Multiple liquid cooling pipes 3 can further disperse heat, improve heat dissipation uniformity, and avoid excessive local temperatures. Adjacent liquid cooling pipes 3 are connected by flanges to ensure the reliability and sealing of the connection, prevent coolant leakage, and improve the stability and safety of the system.

[0073] In some embodiments, the cooling cycle component includes: a coolant storage tank, which is connected to the liquid cooling pipe 3 to form a cooling circuit; a liquid pump, which is used to drive the coolant in the cooling cycle component to circulate in the liquid cooling pipe 3; and a radiator, which is used to cool the coolant in the cooling circuit after absorbing heat from the photovoltaic glass component 1, so that the coolant can be circulated in the cooling circuit.

[0074] The coolant storage tank is connected to the liquid cooling pipe 3 to form a closed cooling loop, ensuring the recycling of the coolant and improving the energy efficiency of the system. The use of the liquid pump ensures the efficient flow of the coolant in the liquid cooling pipe 3 and improves the heat dissipation efficiency. The radiator dissipates the heat in the coolant to the surrounding environment, ensuring that the coolant can be recycled again and maintained at a low temperature.

[0075] Exemplarily, the radiator is fixed on the frame of the photovoltaic glass assembly 1 and faces the outdoors; the radiator includes a plurality of cooling fins, and the cooling fins are wavy in shape to increase the cooling area; the cooling fins are perpendicular to the air flow direction to enhance the air convection cooling effect; wherein, when the coolant transfers the heat to the cooling fins, the cooling fins dissipate the heat into the outdoor air.

[0076] The radiator is fixed on the frame of the photovoltaic glass assembly 1 and faces the outdoors, making full use of the lower outdoor temperature for heat dissipation, avoiding the increase of indoor temperature and reducing air conditioning energy consumption. The wavy heat dissipation fins significantly increase the heat dissipation area and improve the heat dissipation efficiency. The heat dissipation fins are perpendicular to the air flow direction, which enhances the air convection heat dissipation effect and further improves the heat dissipation performance. The radiator is fixed on the frame, which is consistent with the overall design of the photovoltaic curtain wall, does not affect the appearance, and achieves efficient heat dissipation.

[0077] In some embodiments, it also includes a liquid level sensor, which is used to measure the liquid level information of the coolant in the liquid cooling tube 3; a flow sensor, which is used to measure the flow information of the coolant in the liquid cooling tube 3; wherein the controller is electrically connected to the flow sensor and the liquid level sensor, and when the cooling cycle component is turned on, the controller generates power control information corresponding to the cooling cycle component according to the liquid level information, flow information and component temperature.

[0078] The system can monitor the level and flow of the coolant in real time through the level sensor and flow sensor to ensure the normal operation of the cooling system. The controller generates power control information based on the level information, flow information and component temperature to achieve refined control of the cooling cycle components and improve the response speed and control accuracy of the system. Through real-time monitoring of the level and flow, insufficient coolant or abnormal flow can be detected in time to avoid heat dissipation failure caused by insufficient coolant and extend the life of the system. At the same time, the power of the cooling cycle components is adjusted according to actual needs to avoid unnecessary energy waste and improve the energy efficiency of the system.

[0079] Exemplarily, the expression of the power control information includes: ;

[0080] Wherein, P is the power value corresponding to the power control information, is the target temperature corresponding to the photovoltaic glass assembly 1, is the liquid level value corresponding to the liquid level information, T is the component temperature, is the flow value corresponding to the flow information, It is the minimum flow rate required by the cooling circuit components to achieve the best heat dissipation effect. is the minimum coolant level value of the cooling circuit components, , and There are multiple preset thresholds respectively.

[0081] The power control information comprehensively considers the three factors of component temperature, liquid level and flow to ensure the efficient operation of the cooling system.

[0082] pass The system can dynamically adjust the power according to the deviation between the component temperature and the target temperature, and respond quickly to temperature changes. and Item to ensure that the coolant level and flow rate are not lower than the minimum value to avoid system failure caused by insufficient coolant or flow rate. Preset threshold , and It can be adjusted according to actual conditions to ensure the optimal heat dissipation effect of the system.

[0083] It should be noted that, in some embodiments, the controller also obtains quality detection information of the coolant; the quality detection information includes one or more of appearance information, freezing point information, boiling point information, and heat capacity detection information; and determines whether the coolant needs to be replaced based on the liquid level information, flow information, and quality detection information.

[0084] By obtaining information such as the appearance, freezing point, boiling point, and heat capacity of the coolant, the quality of the coolant can be monitored in real time to ensure that it is in the best condition. Based on the quality inspection information, the aging or contamination of the coolant can be discovered in advance, and timely measures can be taken to replace the coolant to avoid heat dissipation failure caused by coolant quality problems. By regularly replacing the coolant, the cooling effect of the system is maintained and the service life of the photovoltaic curtain wall is extended. Combined with the liquid level information, flow information, and quality inspection information, a comprehensive judgment is made as to whether the coolant needs to be replaced to ensure the stable operation and efficient heat dissipation of the system. At the same time, by replacing the coolant in time, the system maintains efficient heat dissipation and reduces energy consumption, while avoiding system failures caused by coolant problems and reducing maintenance costs.

[0085] In some embodiments, the liquid level sensor includes any one of a float type liquid level sensor, a static pressure type liquid level sensor, and an ultrasonic liquid level sensor.

[0086] The float type liquid level sensor has a simple structure and low cost, and is suitable for most application scenarios. The liquid level is measured by the height of the float changing with the liquid level, which can provide intuitive liquid level information.

[0087] The static pressure level sensor determines the liquid level by measuring the static pressure of the liquid. It is suitable for applications requiring high precision and high reliability. It is not affected by liquid fluctuations and the measurement results are stable and reliable.

[0088] Ultrasonic level sensor measures liquid level by ultrasonic reflection time. It is a non-contact measurement and is suitable for liquid environments that are easily polluted and highly corrosive. It is easy to install and maintain and has a wide measurement range.

[0089] Different types of liquid level sensors can be selected according to specific application scenarios to ensure the accuracy of liquid level measurement and avoid system failures caused by insufficient liquid level. Users can choose appropriate liquid level sensors according to actual needs and environmental conditions to improve the adaptability and flexibility of the system. The non-contact measurement method of float and ultrasonic liquid level sensors reduces maintenance frequency and maintenance costs.

[0090] In some embodiments, the flow sensor includes a first differential pressure gauge and a second differential pressure gauge, which are respectively arranged at a first preset position and a second preset position in the liquid cooling tube 3 to cooperate in measuring the flow information corresponding to the first preset position and the second preset position.

[0091] By setting the first differential pressure gauge and the second differential pressure gauge at different positions of the liquid cooling tube 3, multi-point flow measurement can be achieved to ensure the comprehensiveness and accuracy of the flow data. By measuring the pressure difference at different positions, the data of the flow sensor can be corrected and verified to improve the reliability of the measurement. Multi-point measurement can promptly detect problems such as blockage or leakage in the liquid cooling tube 3 to ensure the normal operation of the system. Combined with the flow information at different positions, the flow distribution of the liquid cooling system can be optimized to ensure the uniformity and efficiency of the cooling effect. Multi-point measurement provides a redundant design. Even if a sensor at a certain position fails, sensors at other positions can still provide flow information to ensure the continuous operation of the system. According to the flow information at different positions, the controller can dynamically adjust the working state of the liquid pump to achieve precise control of the flow rate and improve the response speed and control accuracy of the system.

[0092] A liquid cooling temperature control system for a photovoltaic curtain wall provided in an embodiment of the present application is intended to improve the operating temperature of a photovoltaic module through an efficient cooling mechanism, especially for the temperature rise effect encountered by laminated photovoltaic power generation glass in application. Among them, the photovoltaic glass module 1 is the core component of photoelectric conversion, responsible for converting solar energy into electrical energy. The heat spreader 2 is installed on the back of the photovoltaic glass module 1 and has excellent thermal conductivity. Its first end face is directly bonded to the photovoltaic module to ensure effective heat conduction; the second end face is connected to the liquid cooling pipe 3 to achieve rapid heat dissipation. The liquid cooling pipe 3 is filled with coolant, which absorbs heat through close contact with the heat spreader 2 and brings the heat to the cooling cycle component for heat dissipation. The temperature sensor is deployed on the photovoltaic glass module 1, which can monitor the operating temperature of the component in real time and provide accurate data support for the controller. The cooling cycle component is connected to the liquid cooling pipe 3, which is responsible for the circulation of the coolant and the final discharge of heat. It can adopt air cooling, water cooling or other forms of heat dissipation. The controller integrates temperature monitoring and cooling control functions, and can intelligently judge whether the cooling cycle component needs to be started through the data collected by the temperature sensor to maintain the photovoltaic module working within an ideal temperature range.

[0093] The system provided thereby has at least the following beneficial effects:

[0094] 1. Improve the photoelectric conversion efficiency: Through effective temperature management, the photovoltaic glass module 1 can be kept running at a lower operating temperature, thereby improving its photoelectric conversion efficiency. For every 1°C decrease in temperature, the efficiency of the photovoltaic panel can theoretically increase by about 0.5%.

[0095] 2. Extend the life of the module: High temperature will accelerate the degradation of the internal materials of the photovoltaic module and reduce its service life. This system can effectively reduce the temperature of the module, slow down the aging process, and extend the service life of the photovoltaic curtain wall.

[0096] 3. Reduce air conditioning energy consumption: Especially for photovoltaic curtain walls on building walls, if the heat generated by the components cannot be dissipated in time, it will cause the indoor temperature to rise and increase the burden on the air conditioning system. After adopting this system, the indoor temperature rise caused by the heating of photovoltaic components can be effectively reduced, which indirectly reduces the energy consumption of the air conditioning system.

[0097] 4. Optimize energy structure: By improving the efficiency of photovoltaic power generation and reducing other energy consumption such as air conditioning, it helps to optimize the energy structure of buildings and achieve the goal of green buildings.

[0098] 5. Intelligent management: The controller can automatically adjust the opening and closing of the cooling system according to real-time temperature data, which not only realizes the precise control of the temperature of photovoltaic modules, but also reduces unnecessary power waste and improves the economy of the system.

[0099] In summary, the liquid cooling temperature control system and control method of the photovoltaic curtain wall is an innovative solution to the high temperature challenges faced by the current photovoltaic industry. It not only helps to improve the performance of photovoltaic modules, but also saves energy costs for users in practical applications. It is of great significance to promote the application and popularization of green energy.

[0100] See also Figure 2 , Figure 2 The schematic flow chart of the liquid cooling temperature control method of the photovoltaic curtain wall provided in one embodiment of the present application. The liquid cooling temperature control method of the photovoltaic curtain wall can be implemented by the controller of the system provided in any embodiment of the present application, and the controller can be a micro control unit (MCU).

[0101] Specifically, Figure 2 As shown, the provided photovoltaic curtain wall liquid cooling temperature control method includes steps S101 to S105. The details are as follows:

[0102] Step S101: Obtain the component temperature measured by a temperature sensor.

[0103] Specifically, the temperature sensor is installed on the surface or inside of the photovoltaic glass module to monitor the temperature of the module in real time. The controller (such as a microcontroller unit MCU) obtains the temperature data collected by the temperature sensor through an interface (such as I2C, SPI, UART, etc.).

[0104] For example, a temperature sensor is installed on the back of a photovoltaic glass module, and the temperature data is collected every 5 seconds and sent to the MCU. The temperature sensor type can be PT100, NTC thermistor, or digital temperature sensor (such as DS18B20).

[0105] The temperature of photovoltaic glass components is monitored in real time through temperature sensors to ensure the accuracy and timeliness of temperature data. By continuously monitoring the temperature, problems such as component overheating can be discovered in a timely manner and appropriate measures can be taken. Temperature data is the basis for controlling the cooling system to start and adjust the power, ensuring that the system works according to actual needs.

[0106] Step S102: obtaining the liquid level information of the coolant in the liquid cooling pipe measured by the liquid level sensor.

[0107] Specifically, the liquid level sensor is installed in the liquid cooling pipe or the coolant storage tank to monitor the coolant level in real time. The controller obtains the liquid level data collected by the liquid level sensor through an interface (such as I2C, SPI, UART, etc.).

[0108] For example, the liquid level sensor can be a float type liquid level sensor, a static pressure type liquid level sensor or an ultrasonic liquid level sensor. For example, an ultrasonic liquid level sensor is used to measure the coolant level in the liquid cooling pipe every 10 seconds and send it to the MCU.

[0109] By monitoring the coolant level in real time, we can ensure that there is enough coolant in the cooling system to avoid heat dissipation failure caused by lack of coolant. Through the level data, we can find problems such as coolant leakage in time and take measures in advance. The level data combined with temperature and flow data can optimize the control strategy of the cooling system and improve system efficiency.

[0110] Step S103: Obtain flow information of the coolant in the liquid cooling pipe measured by a flow sensor.

[0111] Specifically, the flow sensor is installed in the liquid cooling pipe to monitor the flow of the coolant in real time. The controller obtains the flow data collected by the flow sensor through an interface (such as I2C, SPI, UART, etc.).

[0112] For example, the flow sensor can be a differential pressure meter, a turbine flow meter or an ultrasonic flow meter. For example, a first differential pressure meter and a second differential pressure meter are installed at the inlet and outlet of the liquid cooling pipe respectively, and the flow rate is measured every 10 seconds and sent to the MCU.

[0113] By monitoring the flow of coolant in real time, we can ensure that the flow of coolant in the cooling tube achieves the best heat dissipation effect. Through multi-point measurement, we can correct and verify the flow data and improve the reliability of measurement. We can timely find blockage in the cooling tube or other problems that affect the flow to ensure the normal operation of the system.

[0114] Step S104: If the component temperature is greater than a preset start-up temperature, the cooling cycle component is turned on according to the temperature control.

[0115] Specifically, by presetting a start temperature threshold, when the component temperature exceeds the threshold, the cooling cycle component is started. The controller determines whether the cooling cycle component needs to be started based on the temperature data collected by the temperature sensor.

[0116] For example, the preset start temperature is 50°C. When the temperature sensor detects that the component temperature reaches 55°C, the controller starts the cooling cycle component.

[0117] The cooling cycle components will then only start when the component temperature exceeds the preset threshold, avoiding unnecessary energy consumption. By monitoring the temperature in real time, it ensures that the cooling system can respond quickly to temperature changes and start in time. This prevents components from running at high temperatures for a long time, reduces the impact of thermal stress on components, and extends the service life of components.

[0118] Step S105. Generate power control information corresponding to the cooling cycle component according to the component temperature, liquid level information and flow information, so as to control the cooling cycle component to quickly cool down the photovoltaic glass component.

[0119] Specifically, power control information of the cooling cycle component is generated according to the component temperature, liquid level information and flow information. The controller adjusts parameters such as the speed of the liquid pump and the wind speed of the radiator according to the generated power control information to achieve precise control of the cooling effect.

[0120] By comprehensively considering temperature, liquid level and flow information, accurate power control information is generated to ensure the optimization of cooling effect. The controller can dynamically adjust the power of cooling cycle components according to real-time data, quickly respond to temperature changes, and improve the response speed of the system. Avoid energy waste caused by excessive cooling and improve the energy efficiency of the system. Through multi-factor comprehensive control, the stability and reliability of the system are ensured, and system failures caused by insufficient control of a single factor are reduced. Through efficient and accurate cooling, the high-temperature operation time of components is reduced and the service life of components is extended.

[0121] In summary, through the detailed description of the above steps, it can be seen that the liquid cooling temperature control method of the photovoltaic curtain wall has the following comprehensive advantages:

[0122] 1. Real-time monitoring: Multi-point monitoring by temperature sensors, liquid level sensors and flow sensors ensures the accuracy and timeliness of temperature, liquid level and flow data.

[0123] 2. Fine-grained control: Based on the power control information generated by multiple factors, efficient and precise control of the cooling system is achieved.

[0124] 3. Dynamic adjustment: The system can quickly respond to temperature changes and dynamically adjust the power of cooling cycle components to improve the system's response speed and control accuracy.

[0125] 4. Fault detection and early warning: Through real-time monitoring and multi-point measurement, system faults can be discovered and handled in a timely manner to ensure the normal operation of the system.

[0126] 5. Energy saving and environmental protection: Start the cooling cycle components on demand to avoid unnecessary energy consumption, improve the energy efficiency of the system, and extend the service life of the photovoltaic curtain wall.

[0127] The comprehensive application of these steps can significantly improve the photoelectric conversion efficiency of the photovoltaic curtain wall and extend its service life, ensuring the stable and reliable operation of the system.

[0128] In some embodiments, the back side of the photovoltaic glass assembly is bonded to the first end face of the heat spreader via a thermally conductive adhesive, and the material type of the thermally conductive adhesive is any one of epoxy resin, polyurethane, and silicone; the thermal conductivity of the thermally conductive adhesive corresponds to a range of 1 W / (m·K) to 2 W / (m·K).

[0129] In some embodiments, the back of the photovoltaic glass assembly is bonded to the first end surface of the heat sink via a thermally conductive adhesive. The thermally conductive adhesive can be made of epoxy resin, polyurethane or silicone, and has a thermal conductivity ranging from 1 W / (m·K) to 2 W / (m·K).

[0130] The thermal conductivity of the thermal conductive adhesive is between 1 W / (m·K) and 2 W / (m·K), which can efficiently transfer the heat generated by the photovoltaic glass module to the heat spreader, reduce heat accumulation, and improve heat dissipation efficiency. When choosing epoxy resin, polyurethane or silicone thermal conductive adhesive, you can choose according to the actual application scenario and cost requirements to ensure the reliability and durability of the material. These materials have good bonding properties, which can ensure a long-term stable connection between the photovoltaic glass module and the heat spreader, and prevent heat conduction failure caused by poor bonding.

[0131] In some embodiments, the liquid cooling tube is an aluminum flat round tube, so that the long side of the liquid cooling tube is in full contact with the heat sink.

[0132] Aluminum has high thermal conductivity and can quickly transfer heat from the heat spreader to the coolant, improving heat dissipation efficiency. The flat round tube design allows the long side of the liquid cooling tube to fully contact the heat spreader, increasing the heat conduction area and further improving the heat dissipation effect. At the same time, compared with other shapes such as round tubes, the flat round tube design is more suitable for layout in limited spaces, making the overall system more compact and beautiful.

[0133] In some embodiments, the coolant is a mixture of water and ethylene glycol, the number of the liquid cooling tubes is multiple, and two adjacent liquid cooling tubes are connected to each other through a flange.

[0134] The mixture of water and ethylene glycol has good antifreeze properties and is suitable for use in cold regions to prevent the liquid cooling system from freezing in low temperature environments. Multiple liquid cooling pipes can further disperse heat, improve heat dissipation uniformity, and avoid local overheating. Adjacent liquid cooling pipes are connected by flanges to ensure the reliability and sealing of the connection, prevent coolant leakage, and improve the stability and safety of the system.

[0135] In some embodiments, the cooling cycle component includes: a coolant storage tank, which is connected to the liquid cooling pipe to form a cooling circuit; a liquid pump, which is used to drive the coolant in the cooling cycle component to circulate in the liquid cooling pipe; and a radiator, which is used to cool the coolant in the cooling circuit after absorbing heat from the photovoltaic glass component, so that the coolant can be circulated in the cooling circuit.

[0136] The coolant storage tank is connected to the liquid cooling pipe to form a closed cooling loop, ensuring the recycling of the coolant and improving the energy efficiency of the system. The use of the liquid pump ensures the efficient flow of the coolant in the liquid cooling pipe and improves the heat dissipation efficiency. The radiator dissipates the heat in the coolant to the surrounding environment, ensuring that the coolant can be recycled again and maintained at a low temperature.

[0137] Exemplarily, the radiator is fixed on the frame of the photovoltaic glass assembly and faces the outdoors; the radiator includes a plurality of cooling fins, and the cooling fins are wavy in shape to increase the cooling area; the cooling fins are perpendicular to the air flow direction to enhance the air convection cooling effect; wherein, when the coolant transfers the heat to the cooling fins, the cooling fins dissipate the heat into the outdoor air.

[0138] The radiator is fixed on the frame of the photovoltaic glass module and faces the outdoors, making full use of the lower outdoor temperature for heat dissipation, avoiding the increase of indoor temperature and reducing air conditioning energy consumption. The wavy heat dissipation fins significantly increase the heat dissipation area and improve the heat dissipation efficiency. The heat dissipation fins are perpendicular to the air flow direction, which enhances the air convection heat dissipation effect and further improves the heat dissipation performance. The radiator is fixed on the frame, which is consistent with the overall design of the photovoltaic curtain wall, which does not affect the appearance and achieves efficient heat dissipation.

[0139] In some embodiments, it also includes a liquid level sensor, which is used to measure the liquid level information of the coolant in the liquid cooling tube; a flow sensor, which is used to measure the flow information of the coolant in the liquid cooling tube; wherein the controller is electrically connected to the flow sensor and the liquid level sensor, and when the cooling cycle component is turned on, the controller generates power control information corresponding to the cooling cycle component according to the liquid level information, flow information and component temperature.

[0140] The system can monitor the level and flow of the coolant in real time through the level sensor and flow sensor to ensure the normal operation of the cooling system. The controller generates power control information based on the level information, flow information and component temperature to achieve refined control of the cooling cycle components and improve the response speed and control accuracy of the system. Through real-time monitoring of the level and flow, insufficient coolant or abnormal flow can be detected in time to avoid heat dissipation failure caused by insufficient coolant and extend the life of the system. At the same time, the power of the cooling cycle components is adjusted according to actual needs to avoid unnecessary energy waste and improve the energy efficiency of the system.

[0141] Exemplarily, the expression of the power control information includes: ;

[0142] Wherein, P is the power value corresponding to the power control information, is the target temperature corresponding to the photovoltaic glass assembly, is the liquid level value corresponding to the liquid level information, T is the component temperature, is the flow value corresponding to the flow information, It is the minimum flow rate required by the cooling circuit components to achieve the best heat dissipation effect. is the minimum coolant level value of the cooling circuit components, , and There are multiple preset thresholds respectively.

[0143] The power control information comprehensively considers the three factors of component temperature, liquid level and flow to ensure the efficient operation of the cooling system.

[0144] pass The system can dynamically adjust the power according to the deviation between the component temperature and the target temperature, and respond quickly to temperature changes. and Item to ensure that the coolant level and flow rate are not lower than the minimum value to avoid system failure caused by insufficient coolant or flow rate. Preset threshold , and It can be adjusted according to actual conditions to ensure the optimal heat dissipation effect of the system.

[0145] It should be noted that, in some embodiments, the controller also obtains quality detection information of the coolant; the quality detection information includes one or more of appearance information, freezing point information, boiling point information, and heat capacity detection information; and determines whether the coolant needs to be replaced based on the liquid level information, flow information, and quality detection information.

[0146] By obtaining information such as the appearance, freezing point, boiling point, and heat capacity of the coolant, the quality of the coolant can be monitored in real time to ensure that it is in the best condition. Based on the quality inspection information, the aging or contamination of the coolant can be discovered in advance, and timely measures can be taken to replace the coolant to avoid heat dissipation failure caused by coolant quality problems. By regularly replacing the coolant, the cooling effect of the system is maintained and the service life of the photovoltaic curtain wall is extended. Combined with the liquid level information, flow information, and quality inspection information, a comprehensive judgment is made as to whether the coolant needs to be replaced to ensure the stable operation and efficient heat dissipation of the system. At the same time, by replacing the coolant in time, the system maintains efficient heat dissipation and reduces energy consumption, while avoiding system failures caused by coolant problems and reducing maintenance costs.

[0147] In some embodiments, the liquid level sensor includes any one of a float type liquid level sensor, a static pressure type liquid level sensor, and an ultrasonic liquid level sensor.

[0148] The float type liquid level sensor has a simple structure and low cost, and is suitable for most application scenarios. The liquid level is measured by the height of the float changing with the liquid level, which can provide intuitive liquid level information.

[0149] The static pressure level sensor determines the liquid level by measuring the static pressure of the liquid. It is suitable for applications requiring high precision and high reliability. It is not affected by liquid fluctuations and the measurement results are stable and reliable.

[0150] Ultrasonic level sensor measures liquid level by ultrasonic reflection time. It is a non-contact measurement and is suitable for liquid environments that are easily polluted and highly corrosive. It is easy to install and maintain and has a wide measurement range.

[0151] Different types of liquid level sensors can be selected according to specific application scenarios to ensure the accuracy of liquid level measurement and avoid system failures caused by insufficient liquid level. Users can choose appropriate liquid level sensors according to actual needs and environmental conditions to improve the adaptability and flexibility of the system. The non-contact measurement method of float and ultrasonic liquid level sensors reduces maintenance frequency and maintenance costs.

[0152] In some embodiments, the flow sensor includes a first differential pressure gauge and a second differential pressure gauge, and the first differential pressure gauge and the second differential pressure gauge are respectively arranged at a first preset position and a second preset position in the liquid cooling tube to cooperate in measuring the flow information corresponding to the first preset position and the second preset position.

[0153] By setting the first differential pressure gauge and the second differential pressure gauge at different positions of the liquid cooling pipe, multi-point flow measurement can be achieved to ensure the comprehensiveness and accuracy of the flow data. By measuring the pressure difference at different positions, the data of the flow sensor can be corrected and verified to improve the reliability of the measurement. Multi-point measurement can promptly detect problems such as blockage or leakage in the liquid cooling pipe to ensure the normal operation of the system. Combined with the flow information at different positions, the flow distribution of the liquid cooling system can be optimized to ensure the uniformity and efficiency of the cooling effect. Multi-point measurement provides a redundant design. Even if a sensor at a certain position fails, sensors at other positions can still provide flow information to ensure the continuous operation of the system. According to the flow information at different positions, the controller can dynamically adjust the working state of the liquid pump to achieve precise control of the flow and improve the response speed and control accuracy of the system.

[0154] See also Figure 3 As shown, Figure 3 : is a schematic diagram of the structure of the liquid cooling temperature control device 200 provided in an embodiment of the present application. The liquid cooling temperature control device 200 is used to execute the steps of the liquid cooling temperature control method for the photovoltaic curtain wall shown in the above embodiments. The liquid cooling temperature control device 200 can be a single server or a server cluster, or the liquid cooling temperature control device 200 can be a terminal, which can be a handheld terminal, a laptop computer, a wearable device or a robot, etc.

[0155] like Figure 3 As shown, the liquid cooling temperature control device 200 includes:

[0156] The temperature acquisition unit 201 is used to acquire the temperature of the component measured by a temperature sensor.

[0157] The liquid level acquisition unit 202 is used to obtain the liquid level information of the coolant in the liquid cooling pipe measured by the liquid level sensor.

[0158] The flow acquisition unit 203 is used to acquire the flow information of the coolant in the liquid cooling pipe measured by the flow sensor.

[0159] The start control unit 204 is used to control the cooling cycle component to start according to the temperature if the component temperature is greater than a preset start temperature.

[0160] The temperature reduction control unit 205 is used to generate power control information corresponding to the cooling cycle component according to the component temperature, liquid level information and flow information, so as to control the cooling cycle component to quickly cool down the photovoltaic glass component.

[0161] It should be noted that technical personnel in the relevant field can clearly understand that, for the convenience and conciseness of description, the specific working process of the liquid cooling temperature control device and each module described above can refer to the corresponding process in the liquid cooling temperature control method embodiment of the photovoltaic curtain wall described in the above embodiments, and will not be repeated here.

[0162] The above-mentioned photovoltaic curtain wall liquid cooling temperature control method can be implemented in the form of a computer program. The computer program can be used in Figure 3 Run on the device shown.

[0163] See also Figure 4 , Figure 4 : is a schematic block diagram of the structure of a controller provided in an embodiment of the present application. The controller includes a processor, a memory and a network interface connected via a device bus, wherein the memory may include a storage medium and an internal memory.

[0164] The storage medium can store an operating device and a computer program. The computer program includes program instructions, and when the program instructions are executed, the processor can execute any one of the liquid cooling temperature control methods for photovoltaic curtain walls.

[0165] The processor is used to provide computing and control capabilities and support the operation of the entire controller.

[0166] The internal memory provides an environment for the operation of the computer program in the non-volatile storage medium. When the computer program is executed by the processor, the processor can execute any liquid cooling temperature control method for the photovoltaic curtain wall.

[0167] The network interface is used for network communication, such as sending assigned tasks, etc. Those skilled in the art will understand that Figure 4 The structure shown in the figure is only a block diagram of a partial structure related to the scheme of the present application, and does not constitute a limitation on the terminal to which the scheme of the present application is applied. The specific controller may include more or fewer components than shown in the figure, or combine certain components, or have a different component arrangement.

[0168] It should be understood that the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. Among them, the general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0169] In one embodiment, the processor is used to run a computer program stored in the memory to implement the following steps:

[0170] Obtaining the temperature of the component measured by a temperature sensor;

[0171] Obtaining the liquid level information of the coolant in the liquid cooling pipe measured by the liquid level sensor;

[0172] Obtaining flow information of the coolant in the liquid cooling pipe measured by a flow sensor;

[0173] If the component temperature is greater than a preset opening temperature, the cooling cycle component is controlled to open according to the temperature;

[0174] Power control information corresponding to the cooling cycle component is generated according to the component temperature, liquid level information and flow information, so as to control the cooling cycle component to quickly cool down the photovoltaic glass component.

[0175] In some embodiments, the back side of the photovoltaic glass assembly is bonded to the first end face of the heat spreader via a thermally conductive adhesive, and the material type of the thermally conductive adhesive is any one of epoxy resin, polyurethane, and silicone; the thermal conductivity of the thermally conductive adhesive corresponds to a range of 1 W / (m·K) to 2 W / (m·K).

[0176] In some embodiments, the liquid cooling tube is an aluminum flat round tube, so that the long side of the liquid cooling tube is in full contact with the heat sink.

[0177] In some embodiments, the coolant is a mixture of water and ethylene glycol, the number of the liquid cooling tubes is multiple, and two adjacent liquid cooling tubes are connected to each other through a flange.

[0178] In some embodiments, the cooling cycle component includes: a coolant storage tank, which is connected to the liquid cooling pipe to form a cooling circuit; a liquid pump, which is used to drive the coolant in the cooling cycle component to circulate in the liquid cooling pipe; and a radiator, which is used to cool the coolant in the cooling circuit after absorbing heat from the photovoltaic glass component, so that the coolant can be circulated in the cooling circuit.

[0179] Exemplarily, the radiator is fixed on the frame of the photovoltaic glass assembly and faces the outdoors; the radiator includes a plurality of cooling fins, and the cooling fins are wavy in shape to increase the cooling area; the cooling fins are perpendicular to the air flow direction to enhance the air convection cooling effect; wherein, when the coolant transfers the heat to the cooling fins, the cooling fins dissipate the heat into the outdoor air.

[0180] In some embodiments, it also includes a liquid level sensor, which is used to measure the liquid level information of the coolant in the liquid cooling tube; a flow sensor, which is used to measure the flow information of the coolant in the liquid cooling tube; wherein the controller is electrically connected to the flow sensor and the liquid level sensor, and when the cooling cycle component is turned on, the controller generates power control information corresponding to the cooling cycle component according to the liquid level information, flow information and component temperature.

[0181] Exemplarily, the expression of the power control information includes: ;

[0182] Wherein, P is the power value corresponding to the power control information, is the target temperature corresponding to the photovoltaic glass assembly, is the liquid level value corresponding to the liquid level information, T is the component temperature, is the flow value corresponding to the flow information, It is the minimum flow rate required by the cooling circuit components to achieve the best heat dissipation effect. is the minimum coolant level value of the cooling circuit components, , and There are multiple preset thresholds respectively.

[0183] It should be noted that, in some embodiments, the controller also obtains quality detection information of the coolant; the quality detection information includes one or more of appearance information, freezing point information, boiling point information, and heat capacity detection information; and determines whether the coolant needs to be replaced based on the liquid level information, flow information, and quality detection information.

[0184] In some embodiments, the liquid level sensor includes any one of a float type liquid level sensor, a static pressure type liquid level sensor, and an ultrasonic liquid level sensor.

[0185] In some embodiments, the flow sensor includes a first differential pressure gauge and a second differential pressure gauge, and the first differential pressure gauge and the second differential pressure gauge are respectively arranged at a first preset position and a second preset position in the liquid cooling tube to cooperate in measuring the flow information corresponding to the first preset position and the second preset position.

[0186] The present application also provides a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, the processor implements the steps of the liquid cooling temperature control method for a photovoltaic curtain wall provided in any embodiment of the present application.

[0187] The computer-readable storage medium may be an internal storage unit of the controller described in the foregoing embodiment, such as a hard disk or memory of the controller. The computer-readable storage medium may also be an external storage device of the controller, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc., equipped on the controller.

[0188] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A liquid cooling temperature control system for a photovoltaic curtain wall, characterized in that: include: Photovoltaic glass modules; A vapor chamber, the vapor chamber comprising a first end surface and a second end surface arranged opposite to each other, the back surface of the photovoltaic glass assembly being bonded to the first end surface of the vapor chamber; A liquid cooling tube, wherein a coolant is placed in the liquid cooling tube, and the liquid cooling tube is welded to the second end surface of the heat spreader; A temperature sensor, the temperature sensor being arranged on the photovoltaic glass assembly and being used to measure the assembly temperature of the photovoltaic glass assembly; A cooling circulation component, wherein the cooling circulation component is connected to the liquid cooling pipe, and the heat of the photovoltaic glass component is transferred to the cooling circulation component via a heat sink and a liquid cooling pipe; A liquid level sensor, the liquid level sensor is used to measure the liquid level information of the coolant in the liquid cooling pipe; A flow sensor, the flow sensor is used to measure the flow information of the coolant in the liquid cooling tube; a controller, the controller is electrically connected to the cooling cycle component and the temperature sensor, the controller is used to obtain the component temperature measured by the temperature sensor, and control the cooling cycle component to open / or close according to the temperature. When the cooling cycle component is turned on, the coolant in the liquid cooling tube circulates, and the cooling cycle component also dissipates heat from the coolant to achieve rapid heat dissipation of the photovoltaic glass component; the controller is electrically connected to the flow sensor and the liquid level sensor. When the cooling cycle component is turned on, the controller generates power control information corresponding to the cooling cycle component according to the liquid level information, flow information and component temperature.

2. The system according to claim 1, characterized in that The back side of the photovoltaic glass assembly is bonded to the first end face of the heat spreader via a thermally conductive adhesive, wherein the thermally conductive adhesive is made of any one of epoxy resin, polyurethane, and silicone; and the thermal conductivity of the thermally conductive adhesive corresponds to a range of 1 W / (m·K) to 2 W / (m·K).

3. The system according to claim 1, characterized in that The liquid cooling tube is an aluminum flat round tube, so that the long side of the liquid cooling tube is in full contact with the heat spreader.

4. The system according to claim 1, characterized in that The coolant is a mixture of water and ethylene glycol, the number of the liquid cooling tubes is multiple, and two adjacent liquid cooling tubes are connected to each other through flanges.

5. The system according to claim 1, characterized in that The cooling cycle assembly comprises: A coolant storage tank, the coolant storage tank is connected to the liquid cooling pipe to form a cooling circuit; A liquid pump, the liquid pump is used to drive the coolant in the cooling circulation component to circulate in the liquid cooling pipe; A radiator is used to cool the coolant in the cooling circuit after absorbing heat from the photovoltaic glass assembly, so that the coolant can be circulated in the cooling circuit.

6. The system according to claim 5, characterized in that The radiator is fixed on the frame of the photovoltaic glass assembly and faces outdoors; the radiator includes a plurality of radiating fins, and the shape of the radiating fins is wavy to increase the radiating area; the radiating fins are perpendicular to the air flow direction to enhance the air convection heat dissipation effect; When the coolant transfers the heat to the cooling fins, the cooling fins dissipate the heat into the outdoor air.

7. The system according to claim 1, characterized in that The expression of the power control information includes: ； Wherein, P is the power value corresponding to the power control information, is the target temperature corresponding to the photovoltaic glass assembly, is the liquid level value corresponding to the liquid level information, T is the component temperature, is the flow value corresponding to the flow information, It is the minimum flow rate required by the cooling circuit components to achieve the best heat dissipation effect. is the minimum coolant level value of the cooling circuit components, , and There are multiple preset thresholds respectively.

8. The system according to claim 7, characterized in that The controller also obtains quality detection information of the coolant; the quality detection information includes one or more of appearance information, freezing point information, boiling point information, and heat capacity detection information; Determine whether the coolant needs to be replaced based on the liquid level information, flow information and quality detection information.

9. The system according to claim 7, characterized in that The liquid level sensor includes any one of a float type liquid level sensor, a static pressure type liquid level sensor and an ultrasonic liquid level sensor.

10. The system according to claim 7, characterized in that The flow sensor includes a first differential pressure gauge and a second differential pressure gauge, which are respectively arranged at a first preset position and a second preset position in the liquid cooling tube to cooperate in measuring flow information corresponding to the first preset position and the second preset position.

11. A liquid cooling temperature control method for a photovoltaic curtain wall, characterized in that: A controller for a liquid cooling temperature control system of a photovoltaic curtain wall according to any one of claims 1 to 10, wherein the method comprises: Obtaining the temperature of the component measured by a temperature sensor; Obtaining the liquid level information of the coolant in the liquid cooling pipe measured by the liquid level sensor; Obtaining flow information of the coolant in the liquid cooling pipe measured by a flow sensor; If the component temperature is greater than a preset opening temperature, the cooling cycle component is controlled to open according to the temperature; Power control information corresponding to the cooling cycle component is generated according to the component temperature, liquid level information and flow information, so as to control the cooling cycle component to quickly cool down the photovoltaic glass component.

12. A controller, characterized in that: including memory and processor; The memory is used to store computer programs; The processor is configured to execute the computer program and implement the method as claimed in claim 11 when executing the computer program.

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