Integrated evaporation water source cooling unit and electrical room

Abstract

The utility model relates to an integrated evaporation water source cooling unit and an electric room, which comprise a machine body, a water cooling device for cooling water and a hot air cooling device for cooling hot air, and the machine body is provided with an air temperature adjusting cavity; the water cooling equipment and the hot air cooling equipment are arranged in the machine body, the hot air cooling equipment comprises at least two groups of refrigeration modules, an evaporator of each group of refrigeration module is arranged in an air temperature adjusting cavity, a hot air inlet is formed in the top of the air temperature adjusting cavity, and a cold air outlet is formed in the side wall of the air temperature adjusting cavity; each set of refrigeration module operates independently and is provided with an independent control system, and when a single refrigeration module breaks down, operation of other modules cannot be affected. The modular design enhances the stability and reliability of unit operation, facilitates fault diagnosis and maintenance, and improves the operation continuity of equipment.

Description

Technical Field

[0001] This utility model relates to an integrated evaporative water source cooling unit and an electrical room. Background Technology

[0002] High-power electrical equipment such as frequency converters generate a large amount of heat during operation, making heat dissipation a key factor affecting their operational stability and service life. Currently, the main heat dissipation and cooling methods used in the field include direct exhaust ventilation, indoor air conditioning, air-water cooling equipment, water source cooling units, and pure water cooling.

[0003] 1. Direct exhaust ventilation and indoor air conditioning

[0004] Direct exhaust ventilation and indoor air conditioning are rarely used due to their high energy consumption, limited effectiveness, and difficulty in dealing with the impact of external dust and humidity on the equipment. These methods have certain limitations in terms of maintenance costs and actual effectiveness.

[0005] 2. Pure water cooling method

[0006] Pure water cooling has a limited range of applications and is difficult to promote widely.

[0007] 3. Air-water cooling equipment and water source cooling units

[0008] Air-to-water cooling equipment and water source cooling units have become the mainstream heat dissipation and cooling methods. In particular, water source cooling units can effectively regulate indoor temperature and humidity, and the indoor temperature can be set (20~30℃). They are energy-saving, easy to install and maintain, and at the same time solve the adverse effects of external dust and humidity on the equipment.

[0009] However, the operation of water source cooling units depends on the on-site supply of circulating cooling water that meets the requirements, with a standard water temperature requirement of ≤33℃. When the circulating cooling water temperature exceeds 35℃ or there is no large-scale industrial circulating cooling water available on-site, an additional industrial cooling tower and piping system are required to provide cooling water. This requirement significantly increases project costs, system complexity, and on-site maintenance, limiting the widespread application of water source cooling units.

[0010] Furthermore, the requirement for a large amount of circulating cooling water means that this solution can only be implemented in areas with abundant water resources, which further limits the applicable scenarios for the equipment. Utility Model Content

[0011] The primary objective of this invention is to provide an integrated evaporative water source cooling unit that highly integrates water cooling and hot air cooling equipment, utilizes water circulation and evaporative cooling technologies, significantly reduces the demand for circulating water, and substantially improves the applicability of the product.

[0012] The second objective of this invention is to provide an electrical room with good heat dissipation.

[0013] The third objective of this invention is to provide an electrical room with good heat dissipation.

[0014] The primary objective of this invention is achieved as follows:

[0015] An integrated evaporative water source cooling unit includes a body, a water cooling device for cooling water, and a hot air cooling device for cooling hot air. The body is provided with an air temperature regulating chamber.

[0016] The water cooling device and the hot air cooling device are installed inside the machine body. The hot air cooling device includes at least two sets of refrigeration modules. The evaporator of each set of refrigeration modules is placed in the air temperature regulating chamber. The top of the air temperature regulating chamber has a hot air inlet, and the side wall of the air temperature regulating chamber has a cold air outlet.

[0017] The water cooling equipment has an inlet for replenishing water supply to the outside, a cooling circulation inlet, and a circulation outlet;

[0018] It also includes heat exchange tubes and circulating water pumps. The condenser of each refrigeration module is placed inside the heat exchange tube. The heat exchange tube has a cold water inlet and a hot water outlet. The inlet of the circulating water pump is connected to the circulating water outlet of the water cooling equipment. The outlet of the circulating water pump is connected to the cold water inlet. The hot water outlet is connected to the cooling circulating water inlet of the water cooling equipment.

[0019] Outside hot air enters the air temperature regulating chamber through the hot air inlet, and the evaporator cools the hot air to form cold air which is then discharged through the cold air outlet.

[0020] The circulating water pump draws cold water from the pump equipment into the heat exchange tubes, where it comes into contact with the condenser to exchange heat and form hot water. The hot water then enters the water cooling equipment through the hot water outlet and the cooling circulation inlet. The water cooling equipment cools the hot water to form cold water, which then enters the heat exchange tubes through the circulation outlet, the pump, and the cold water inlet. This cycle repeats continuously.

[0021] This design relies on a built-in water cooling system for water circulation cooling, requiring only a small amount of cooling water (such as tap water) to compensate for evaporation losses during operation, eliminating the need for a large-scale industrial circulating cooling water supply on-site. Compared to traditional solutions, this significantly reduces water consumption, lowers operating costs, and expands the equipment's applicability, making it particularly suitable for water-scarce regions.

[0022] Water cooling equipment has relaxed requirements for the temperature of the on-site replenishment water. It can use water sources with a temperature of ≤40℃ as replenishment water, without the need to strictly control the temperature of the replenishment water. In areas with low air temperature or low wet-bulb temperature, the equipment's operating efficiency is further improved, the cooling effect is better, and the energy consumption is lower.

[0023] Each refrigeration module operates independently and is equipped with an independent control system, so a failure in one refrigeration module will not affect the operation of other modules. The modular design enhances the stability and reliability of the unit's operation, while also facilitating fault diagnosis and maintenance, and improving the continuity of equipment operation.

[0024] The unit adopts an integrated design, combining water cooling and hot air cooling equipment, making installation simple and convenient. It eliminates the need for complex on-site construction and external piping, significantly reducing installation work and related costs, and enhancing the user experience.

[0025] By combining built-in water cooling and hot air cooling systems, the unit optimizes energy efficiency while meeting cooling requirements. Especially in low-temperature or low-wet-bulb temperature environments, the cooling effect of the water cooling system is further enhanced, making the overall unit more energy-efficient and environmentally friendly.

[0026] This design overcomes the dependence of traditional water source cooling units on large-scale circulating cooling water and strict water temperature requirements. It is suitable for various water source conditions and different climate environments, greatly expanding the application scenarios of the equipment and providing an efficient and stable heat dissipation solution for high-power electrical equipment such as frequency converters.

[0027] The primary objective of this utility model can also be achieved by the following technical measures:

[0028] Furthermore, the water cooling equipment includes a cooling chamber, a spray device, a packing layer, and a fan. The top of the cooling chamber is provided with an air outlet, and the bottom of the cooling chamber is provided with a water collection tank.

[0029] The spraying device is arranged inside the cooling chamber. The spraying device includes at least one spray pipe and multiple spray heads. The spray pipe is connected to the cooling circulation water inlet and is used to spray water into the cooling chamber.

[0030] The filler layer is arranged below the spraying device to increase the contact area between water and air and promote heat exchange.

[0031] The fan is located at the air outlet at the top of the cooling chamber and is used to drive airflow so that air passes through the packing layer from bottom to top.

[0032] The lower part of the cooling chamber is provided with an air inlet for introducing cold air, and the circulating water outlet is connected to the water collection tank.

[0033] The water cooling equipment is not designed with strict requirements on the temperature of the makeup water source, and water with a temperature of ≤40℃ can be used as makeup water. This lenient condition significantly expands the applicability of the equipment, enabling it to operate efficiently in areas with higher water temperatures and reducing dependence on on-site water source conditions.

[0034] The design of the packing layer increases the contact area between water and air, significantly enhancing the heat exchange efficiency between them and allowing the sprayed water to cool rapidly during contact with the air. A fan drives air upwards through the packing layer, forming a highly efficient counter-current heat exchange mechanism that greatly improves cooling performance.

[0035] Water cooling equipment is equipped with a controllable fan system that automatically adjusts the start and stop of the fan according to the operating conditions. By optimizing airflow and heat exchange efficiency, it achieves higher energy efficiency and reduces the operating energy consumption of the equipment, thereby achieving a more energy-saving effect.

[0036] The water collection pool at the bottom of the cooling chamber effectively recovers the spray water, which is then cooled and recycled. Only a small amount of water needs to be added to maintain the normal operation of the system, avoiding a large waste of water resources and reducing the user's water costs.

[0037] Water cooling equipment, through the combined action of spray devices and fans, can quickly remove heat from circulating water. It can maintain efficient heat dissipation performance in both high-temperature environments and areas with low wet-bulb temperatures, ensuring stable operation of the equipment under various environmental conditions.

[0038] The automatic start-up control function of the water cooling equipment fan can intelligently adjust the fan operation according to the equipment's operating status, avoid unnecessary energy consumption, achieve efficient cooling while reducing operating costs, and improve the system's intelligence and economy.

[0039] The water-cooled equipment features a compact design for its cooling chamber, spray system, packing layer, and fan, facilitating cleaning and maintenance. The circulating water achieves complete heat exchange and recovery within the cooling chamber, reducing reliance on external piping and equipment, and lowering system complexity and maintenance costs.

[0040] Water cooling equipment reduces the consumption of natural water resources through efficient heat exchange and circulating water recycling design, and reduces energy consumption through intelligent fan control, which conforms to the design concept of environmental protection and energy conservation, and further reduces the environmental impact of equipment operation.

[0041] Furthermore, the body is divided into a first cavity and a second cavity, which are arranged side by side, and the first cavity forms the cooling chamber;

[0042] The second cavity is divided into the air temperature regulating cavity and the equipment mounting cavity, with the air temperature regulating cavity located above the equipment mounting cavity;

[0043] The compressor of each refrigeration module is placed inside the equipment mounting cavity, and the condenser of each refrigeration module is placed inside the cooling chamber.

[0044] The unit is divided into a first chamber and a second chamber arranged side by side, integrating the water cooling equipment (first chamber) and related modules of the refrigeration module (second chamber) into one unit. This eliminates the need for complex on-site construction and external piping, significantly reducing installation work and costs, and improving the ease of installation.

[0045] The first and second chambers are arranged side by side, making full use of the internal space and forming a compact overall structure. The air temperature regulation chamber is located above the equipment mounting chamber, with a reasonable layout that optimizes the equipment's footprint and is suitable for installation scenarios with limited space.

[0046] The condenser of each refrigeration module is placed directly inside the cooling chamber, enabling efficient heat exchange between the condenser and the cooling water within the chamber. Combined with the high-efficiency heat exchange characteristics of water-cooled equipment, this further enhances the overall heat dissipation performance of the refrigeration module, ensuring stable and efficient operation of the equipment.

[0047] Placing the compressor independently within the equipment mounting cavity facilitates inspection and maintenance while minimizing interference between the condenser and other components. The air temperature control chamber is located above the equipment mounting cavity, ensuring a clear airflow path, optimizing airflow for heat dissipation, and improving cooling efficiency.

[0048] The evaporator in the air temperature control chamber works in conjunction with the compressor in the equipment mounting chamber and the condenser in the cooling compartment to form an integrated, highly efficient heat dissipation and refrigeration system. This reduces heat loss from external piping and lowers energy consumption during equipment operation.

[0049] The integrated design of the whole unit modules reduces the connection requirements and installation complexity between devices, thereby reducing the cost of external pipeline laying and connection components, while reducing the cost and time required for maintenance and improving the economic efficiency of equipment operation.

[0050] The partitioned design of the equipment improves the system's operational stability and avoids cross-interference between the functions of the refrigeration module and the water cooling equipment. Furthermore, the integrated unit can better adapt to the installation requirements of different site environments, providing users with more flexible and efficient options.

[0051] Furthermore, it also includes a frame, in which the evaporators of each group of refrigeration modules are stacked to form an evaporator module. The evaporator module is placed at an angle in the air temperature regulating cavity. External hot air enters the air temperature regulating cavity through the hot air inlet, and the evaporator of each group of refrigeration modules can contact the hot air for heat exchange.

[0052] The evaporators of each cooling module are stacked within the frame and placed at an angle inside the air temperature control chamber. This structural design increases the effective heat exchange area of ​​the evaporators, allowing external hot air to evenly contact all evaporator surfaces for heat exchange, significantly improving overall cooling efficiency.

[0053] When each refrigeration module starts up, the entire evaporator surface area exchanges heat evenly, effectively avoiding the problem of insufficient local heat exchange in traditional segmented evaporators, which leads to half of the air being cold and the other half hot, thus improving the stability of cooling performance.

[0054] The evaporator module is angled within the air temperature control chamber, which helps guide external hot air along an optimal path through the evaporator surface for efficient heat exchange. Simultaneously, the angled layout facilitates natural drainage of condensate, reducing the impact of condensate retention on heat exchange efficiency.

[0055] The stacked evaporator modules employ an independent modular design, ensuring that each refrigeration module operates independently without interference. Even if a single refrigeration module fails, other modules can still operate normally, guaranteeing system stability and reliability.

[0056] Uniform heat exchange and optimized airflow path design reduce energy loss during heat exchange. The efficient operation of each cooling module reduces the overall system energy consumption, achieving more energy-efficient operation.

[0057] The stacked evaporator structure fully utilizes the heat exchange capacity of the entire evaporator surface, maintaining good cooling performance under both high-temperature and low-load conditions. This design improves the equipment's environmental adaptability and meets the needs of different operating conditions.

[0058] The stacked arrangement makes the evaporator structure compact, while the inclined design facilitates cleaning and condensate drainage, reducing the risk of performance degradation due to water or dirt accumulation during long-term operation, extending the service life of the equipment, and reducing maintenance costs.

[0059] The stacked evaporator module design further enhances the integration of the entire unit, resulting in comprehensive optimization of cooling efficiency, energy consumption, operational stability, and applicability, providing users with an efficient, reliable, and energy-saving integrated refrigeration solution.

[0060] The second objective of this utility model is achieved as follows:

[0061] An electrical room is provided for storing electrical equipment, the electrical equipment being installed inside the electrical room, and the side wall of the electrical room having an upper opening and a lower opening communicating with the electrical room.

[0062] The electrical room is equipped with an air duct and an air collecting hood. The air collecting hood is located in the electrical room and above the heat dissipation vent of the electrical equipment. One end of the air collecting hood and the air duct are connected. The other end of the air duct extends out of the upper opening and connects to the hot air inlet of the air temperature regulating chamber. The cold air outlet of the air temperature regulating chamber is connected to the lower opening.

[0063] The air duct is also equipped with an emergency exhaust port, which is located outside the electrical room. An electric emergency exhaust valve is installed at the emergency exhaust port, which controls the opening or closing of the emergency exhaust port.

[0064] Reduce reliance on on-site resources and improve adaptability.

[0065] The electrical room design reduces reliance on large industrial circulating cooling water, while also having low requirements for the temperature of external water supply sources (generally ≤40℃), adapting to various site conditions and expanding the system's applicable scenarios.

[0066] By automatically controlling the activation of the cooling fans according to the operating conditions, heat dissipation is achieved on demand, avoiding unnecessary energy waste. At the same time, the stacked evaporator structure ensures uniform heat exchange of hot air, improves cooling efficiency, and further reduces the overall energy consumption of the system.

[0067] The electrical room features an internal air circulation design, preventing the entry of outside air and effectively avoiding damage to electrical equipment from external moisture and dust, thus ensuring a clean indoor environment. This design extends the lifespan of the electrical equipment and reduces the failure rate.

[0068] The equipment possesses precise environmental control capabilities, maintaining the ambient temperature in the electrical room within the range of 20-30℃ and ensuring humidity meets the 3K3 standard requirements for electrical equipment operation. This environmental stability effectively reduces the failure rate of electrical equipment (such as frequency converters) and extends their service life.

[0069] The electrically operated emergency exhaust valve installed on the air duct can quickly open the emergency exhaust port according to operational needs, rapidly expelling hot air in emergencies and ensuring the safe operation of the system. At the same time, the emergency function design enhances the safety and reliability of the electrical room.

[0070] The N refrigeration modules operate independently and serve as backups for each other. Even if a single module or part of the system fails, it will not affect the overall operation of the unit. The complete independence of each module ensures the high reliability and stability of the system.

[0071] The air collection hood and air duct design in the electrical room concentrate hot air and introduce it into the air temperature regulation chamber to achieve efficient cooling. At the same time, the stacked evaporator structure ensures that the hot air is evenly heat-exchanged across the entire surface of the evaporator, improving the cooling effect and reducing the risk of local overheating or insufficient cooling.

[0072] The system is designed with dehumidification function, which can accurately regulate the humidity in the electrical room, avoid equipment short circuits or corrosion caused by excessive humidity, and provide a more stable operating environment for electrical equipment.

[0073] The system supports automatic or manual control modes and has the ability to operate unattended, which reduces the complexity of daily maintenance and manual input, and improves the system's intelligence level.

[0074] The integrated design enables efficient air circulation, cooling, and humidity control. Combined with modular operation and emergency ventilation measures, the overall system is characterized by high efficiency, energy saving, and stability, significantly improving the environmental control capabilities and equipment protection performance of the electrical room.

[0075] The third objective of this utility model is achieved as follows:

[0076] An electrical room is provided for storing electrical equipment, the electrical equipment being installed inside the electrical room, and the side wall of the electrical room having an upper opening and a lower opening communicating with the electrical room.

[0077] It also includes an air duct, which is located outside the electrical room. One end of the air duct is connected to the upper opening, and the other end of the air duct is connected to the hot air inlet of the air temperature regulating chamber. The cold air outlet of the air temperature regulating chamber is connected to the lower opening.

[0078] The air duct is also equipped with an emergency exhaust port, which is located outside the electrical room. An electric emergency exhaust valve is installed at the emergency exhaust port, which controls the opening or closing of the emergency exhaust port.

[0079] This design reduces reliance on large-scale industrial circulating cooling water on-site, and the water temperature of the replenishment source is not required to be high, further expanding the applicability of the equipment and making it suitable for more types of on-site environments.

[0080] The system can intelligently control the automatic activation of the cooling fan based on operating conditions, avoiding unnecessary operation and reducing energy consumption. Simultaneously, the use of a stacked evaporator structure ensures uniform heat exchange of hot air, further improving cooling efficiency and reducing energy consumption.

[0081] By using N independent cooling modules that act as backups for each other, the failure of any one module does not affect the normal operation of the others. This design enhances the system's stability and reliability, making it suitable for critical scenarios requiring long-term operation.

[0082] The system can control the temperature in the electrical room within the range of 20-30℃ and ensure that the humidity meets the 3K3 standard requirements, providing a stable and suitable operating environment for electrical equipment. This environmental control significantly reduces the failure rate of electrical equipment (such as frequency converters) and extends their service life.

[0083] The internal air circulation design ensures that no outside air enters the electrical room, effectively preventing external moisture and dust from interfering with equipment operation, improving the cleanliness of the indoor environment, and further extending the service life of the equipment.

[0084] The emergency exhaust vents in the air duct are controlled by electric emergency exhaust valves, which can be quickly opened to exhaust hot air in an emergency, protecting the equipment from high temperatures and enhancing the safety of the system.

[0085] The system has a dehumidification function, which can effectively cope with high humidity environments, prevent short circuits or corrosion caused by moisture, and ensure the long-term safe operation of electrical equipment.

[0086] The integrated design reduces the amount of on-site installation work and the cost of external pipeline laying, while also enabling the system to be modularized, which facilitates transportation, installation and maintenance.

[0087] The stacked evaporator structure ensures that the hot air from each refrigeration module covers the entire heat exchange area of ​​the evaporator, avoiding the problem of reduced cooling effect caused by uneven local heat exchange and improving the overall cooling performance.

[0088] The system supports automatic or manual operation modes and has unattended operation capabilities, reducing the need for manual management, improving the level of intelligent operation, and meeting the different needs of users.

[0089] The beneficial effects of this utility model are as follows:

[0090] This invention utilizes a built-in water cooling system for water circulation cooling, requiring only a small amount of cooling water (such as tap water) to compensate for evaporation losses during operation, eliminating the need for on-site large-scale industrial circulating cooling water supply. Compared to traditional solutions, this significantly reduces water consumption, lowers operating costs, and expands the applicability of the equipment, making it particularly suitable for water-scarce regions.

[0091] In this invention, each refrigeration module operates independently and is equipped with an independent control system. A failure in one refrigeration module will not affect the operation of other modules. This modular design enhances the stability and reliability of the unit's operation, while also facilitating fault diagnosis and maintenance, and improving the continuity of equipment operation.

[0092] This utility model features an integrated design, combining water cooling and hot air cooling systems, making installation simple and convenient. It eliminates the need for complex on-site construction and external piping, significantly reducing installation workload and related costs, and enhancing the user experience.

[0093] In this invention, the evaporators of each refrigeration module are stacked within a frame and placed at an angle within the air temperature regulation chamber. This structural design increases the effective heat exchange area of ​​the evaporators, allowing external hot air to evenly contact all evaporator surfaces for heat exchange, significantly improving overall cooling efficiency. When each refrigeration module starts up, the entire evaporator surface area undergoes uniform heat exchange, effectively avoiding the problem of insufficient local heat exchange in traditional segmented evaporators, which results in half of the air being cold and the other half hot, thus improving the stability of cooling performance.

[0094] This utility model, with its integrated modular design, reduces the connection requirements and installation complexity between devices, thereby lowering the cost of external pipeline laying and connection components. It also reduces maintenance costs and time, improving the economic efficiency of equipment operation. Attached Figure Description

[0095] Figure 1 This is a schematic diagram of the electrical room in Example 1.

[0096] Figure 2 This is a schematic diagram of the electrical room in Example 2.

[0097] Figure 3 This is a front view of an integrated evaporative water source cooling unit.

[0098] Figure 4 Left view of an integrated evaporative water source cooling unit.

[0099] Figure 5 This is a top view of an integrated evaporative water source cooling unit.

[0100] Figure 6 This is a schematic diagram of the internal structure of an integrated evaporative water source cooling unit.

[0101] Figure 7 This is a schematic diagram illustrating the working principle of a water cooling system for an integrated evaporative water source cooling unit.

[0102] Figure 8 This is a schematic diagram of the air temperature regulation of an integrated evaporative water source cooling unit. Detailed Implementation

[0103] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0104] Implementation examples, in conjunction with Figure 1 , Figures 3 to 8 The integrated evaporative water source cooling unit includes a body 1, a water cooling device 2 for cooling water, and a hot air cooling device 3 for cooling hot air. The body 1 is provided with a wind temperature regulating chamber 11.

[0105] The water cooling device 2 and the hot air cooling device 3 are installed inside the body 1. The hot air cooling device 3 includes at least two sets of refrigeration modules. Each set of refrigeration modules includes a compressor, an evaporator, a condenser and an expansion valve. The evaporator 32 of each set of refrigeration modules is placed in the air temperature regulating chamber 11. The top of the air temperature regulating chamber 11 has a hot air inlet 111 and the side wall of the air temperature regulating chamber 11 has a cold air outlet 112.

[0106] The water cooling device 2 has a water supply inlet 21 that connects to the outside, a cooling circulation inlet 22, and a circulation outlet 23;

[0107] It also includes heat exchange tubes 4 and circulating water pumps 5. The condenser 31 of each refrigeration module is placed inside the heat exchange tubes 4. The heat exchange tubes 4 have a cold water inlet 41 and a hot water outlet 42. The inlet of the circulating water pump 5 is connected to the circulating water outlet 23 of the water cooling device 2. The outlet of the circulating water pump 5 is connected to the cold water inlet 41. The hot water outlet 42 is connected to the cooling circulating water inlet 22 of the water cooling device 2.

[0108] Hot air from the outside enters the air temperature regulating chamber 11 through the hot air inlet 111, and the evaporator 32 cools the hot air to form cold air which is discharged through the cold air outlet 112.

[0109] The circulating water pump 5 draws cold water from the pump equipment into the heat exchange tube 4, where it comes into contact with the condenser 31 to exchange heat and form hot water. The hot water enters the water cooling equipment 2 through the hot water outlet 42 and the cooling circulation inlet 22. The water cooling equipment 2 cools the hot water to form cold water, which then enters the heat exchange tube 4 through the circulation outlet 23, the pump, and the cold water inlet 41. This cycle repeats continuously.

[0110] Furthermore, the water cooling device 2 includes a cooling chamber 24, a spray device, a packing layer and a fan 25. The top of the cooling chamber 24 is provided with an air outlet 241 and the bottom of the cooling chamber 24 is provided with a water collection pool 242.

[0111] The spraying device is arranged inside the cooling chamber 24. The spraying device includes at least one spray pipe and multiple spray heads. The spray pipe is connected to the cooling circulation water inlet 22 and is used to spray water into the cooling chamber 24.

[0112] The filler layer is arranged below the spraying device to increase the contact area between water and air and promote heat exchange.

[0113] The fan 25 is located at the air outlet 241 at the top of the cooling chamber 24 and is used to drive airflow so that air passes through the packing layer from bottom to top.

[0114] The lower part of the cooling chamber 24 is provided with an air inlet 243 for introducing cold air, and the circulating water outlet 23 is connected to the water collection pool 242.

[0115] Furthermore, the body 1 is divided into a first cavity and a second cavity 13, which are arranged side by side, and the first cavity forms the cooling chamber 24;

[0116] The second cavity 13 is divided into the air temperature regulating cavity 11 and the equipment mounting cavity 12, with the air temperature regulating cavity 11 located above the equipment mounting cavity 12;

[0117] The compressor of each refrigeration module is placed in the equipment mounting cavity 12, and the condenser 31 of each refrigeration module is placed in the cooling chamber 24.

[0118] Furthermore, it also includes a frame 6, in which the evaporators 32 of each group of refrigeration modules are stacked to form an evaporator module 7. The evaporator module 7 is placed at an angle in the air temperature regulating cavity 11. External hot air enters the air temperature regulating cavity 11 through the hot air inlet 111, and the evaporators 32 of each group of refrigeration modules can contact the hot air for heat exchange.

[0119] An electrical room 8 is used to store electrical equipment 81, the electrical equipment 81 is arranged in the electrical room 8, and the side wall of the electrical room 8 has an upper opening 82 and a lower opening 83 communicating with the electrical room 8;

[0120] The electrical room 8 is equipped with an air duct 84 and an air collecting hood 85. The air collecting hood 85 is located inside the electrical room 8 and above the heat dissipation vent of the electrical equipment 81. One end of the air collecting hood 85 and the air duct 84 are connected. The other end of the air duct 84 extends out of the upper opening 82 and is connected to the hot air inlet 111 of the air temperature regulating cavity 11. The cold air outlet 112 of the air temperature regulating cavity 11 is connected to the lower opening 83.

[0121] The air duct 84 is also provided with an emergency exhaust port, which is located outside the electrical room 8. An electric emergency exhaust valve 86 is provided at the emergency exhaust port, which controls the opening or closing of the emergency exhaust port.

[0122] Electrical Room 8 Temperature Control Principle

[0123] Hot air guidance and cooling

[0124] The heat generated by the electrical equipment 81 during operation is released through its heat dissipation vents, and the hot air is collected by the air collector 85 and introduced into the air temperature regulating chamber 11 through the air duct 84.

[0125] The evaporator 32 installed in the air temperature regulating cavity 11 cools the introduced hot air, and the hot air exchanges heat with the evaporator 32 to form cold air.

[0126] Cold air is introduced into the lower opening 83 of the electrical room 8 through the cold air outlet 112 of the air temperature regulating cavity 11, thereby realizing the cooling circulation of indoor air.

[0127] Internal circulation and clean environment

[0128] The system adopts an internal air circulation design, which does not introduce outside air, thus preventing moisture and dust from entering the electrical room 8, ensuring the cleanliness of the internal environment of the electrical room 8, and protecting the safe operation of the equipment.

[0129] The temperature inside the air temperature regulation chamber 11 can be adjusted by controlling the operation of the cooling module to ensure that the temperature inside the electrical room 8 is stable within the range of 20-30℃, meeting the operating requirements of electrical equipment 81 such as frequency converters.

[0130] Emergency ventilation function

[0131] In special circumstances (such as refrigeration module failure or abnormal equipment overheating), hot air in electrical room 8 can be discharged through the emergency exhaust vent.

[0132] An electric emergency exhaust valve 86 is installed at the emergency exhaust vent, which can be opened automatically or manually as needed to quickly reduce the temperature inside the electrical room 8 and enhance the safety of the system.

[0133] Water recycling working principle

[0134] Cooling water circulation

[0135] Water cooling equipment 2 is used to cool and recycle hot water.

[0136] The condenser 31 of each refrigeration module is installed inside the heat exchange tube 4. Heat is exchanged between the condenser 31 and the cooling water inside the heat exchange tube 4 to form hot water.

[0137] Hot water flows into the water cooling equipment through the hot water outlet 42 of the heat exchange tube 4, and is cooled by the spray device and the packing layer to form cold water.

[0138] Structure and function of water cooling equipment

[0139] Inside the water cooling equipment, hot water is sprayed onto the packing layer through a spray device, increasing the contact area with the air and accelerating heat dissipation.

[0140] The fan 25 at the top of the cooling chamber 24 drives airflow to expel the hot air from the packing layer, and the water collection pool 242 at the bottom of the cooling chamber 24 collects the cooled water.

[0141] Cold water enters the circulating water pump 5 from the circulating outlet 23 of the water collection tank 242, and is then pumped back into the heat exchange tube 4 to complete the cooling of the condenser 31.

[0142] Water-saving design

[0143] Water cooling equipment circulates and cools water through evaporation and air heat exchange, reducing dependence on external water sources.

[0144] The system can intelligently adjust the cooling water circulation rate and the fan 25 operating status according to the temperature and operating status of the condenser 31, avoiding unnecessary waste of water resources.

[0145] Closed-loop design and efficiency improvement

[0146] The cooling water forms a closed loop between the heat exchange tube 4 and the water cooling equipment, eliminating the need for frequent replacement of the cooling water and significantly reducing operating costs and resource consumption.

[0147] Improved cooling efficiency directly reduces the energy consumption of the refrigeration module, achieving energy-saving and environmentally friendly operation.

[0148] Overall effect

[0149] This design meets the refined temperature and humidity control requirements of the electrical room 8 by introducing an efficient temperature regulation and water-saving circulation mechanism, while reducing resource waste and operating costs, ensuring long-term reliable operation of the system and extending the service life of electrical equipment 81.

[0150] Example 2, combined with Figure 2 An electrical room 8 is provided for storing electrical equipment 81, the electrical equipment 81 is disposed inside the electrical room 8, and the side wall of the electrical room 8 has an upper opening 82 and a lower opening 83 communicating with the electrical room 8;

[0151] It also includes an air duct 84, which is located outside the electrical room 8. One end of the air duct 84 is connected to the upper opening 82, and the other end of the air duct 84 is connected to the hot air inlet 111 of the air temperature regulating chamber 11. The cold air outlet 112 of the air temperature regulating chamber 11 is connected to the lower opening 83.

[0152] The air duct 84 is also provided with an emergency exhaust port, which is located outside the electrical room 8. An electric emergency exhaust valve 86 is provided at the emergency exhaust port, which controls the opening or closing of the emergency exhaust port.

Claims

1. An integrated evaporative water source cooling unit, characterized in that: It includes a body, a water cooling device for cooling water, and a hot air cooling device for cooling hot air, wherein the body is provided with an air temperature regulating chamber; The water cooling device and the hot air cooling device are installed inside the machine body. The hot air cooling device includes at least two sets of refrigeration modules. The evaporator of each set of refrigeration modules is placed in the air temperature regulating chamber. The top of the air temperature regulating chamber has a hot air inlet, and the side wall of the air temperature regulating chamber has a cold air outlet. The water cooling equipment has an inlet for replenishing water supply to the outside, a cooling circulation inlet, and a circulation outlet; It also includes heat exchange tubes and circulating water pumps. The condenser of each refrigeration module is placed inside the heat exchange tube. The heat exchange tube has a cold water inlet and a hot water outlet. The inlet of the circulating water pump is connected to the circulating water outlet of the water cooling equipment. The outlet of the circulating water pump is connected to the cold water inlet. The hot water outlet is connected to the cooling circulating water inlet of the water cooling equipment. Outside hot air enters the air temperature regulating chamber through the hot air inlet, and the evaporator cools the hot air to form cold air which is then discharged through the cold air outlet. The circulating water pump draws cold water from the pump equipment into the heat exchange tubes, where it comes into contact with the condenser to exchange heat and form hot water. The hot water then enters the water cooling equipment through the hot water outlet and the cooling circulation inlet. The water cooling equipment cools the hot water to form cold water, which then enters the heat exchange tubes through the circulation outlet, the pump, and the cold water inlet. This cycle repeats continuously.

2. The integrated evaporative water source cooling unit according to claim 1, characterized in that: The water cooling equipment includes a cooling chamber, a spray device, a packing layer, and a fan. The top of the cooling chamber is provided with an air outlet, and the bottom of the cooling chamber is provided with a water collection tank. The spraying device is arranged inside the cooling chamber. The spraying device includes at least one spray pipe and multiple spray heads. The spray pipe is connected to the cooling circulation water inlet and is used to spray water into the cooling chamber. The filler layer is arranged below the spraying device to increase the contact area between water and air and promote heat exchange. The fan is located at the air outlet at the top of the cooling chamber and is used to drive airflow so that air passes through the packing layer from bottom to top. The lower part of the cooling chamber is provided with an air inlet for introducing cold air, and the circulating water outlet is connected to the water collection tank.

3. The integrated evaporative water source cooling unit according to claim 2, characterized in that: The body is divided into a first cavity and a second cavity, which are arranged side by side, and the first cavity forms the cooling chamber; The second cavity is divided into the air temperature regulating cavity and the equipment mounting cavity, with the air temperature regulating cavity located above the equipment mounting cavity; The compressor of each refrigeration module is placed inside the equipment mounting cavity, and the condenser of each refrigeration module is placed inside the cooling chamber.

4. The integrated evaporative water source cooling unit according to claim 1, characterized in that: It also includes a frame, in which the evaporators of each group of refrigeration modules are stacked to form an evaporator module. The evaporator module is placed at an angle in the air temperature regulation chamber. External hot air enters the air temperature regulation chamber through the hot air inlet, and the evaporator of each group of refrigeration modules can contact the hot air for heat exchange.

5. An electrical room employing an integrated evaporative water source cooling unit as described in any one of claims 1-4, characterized in that: The electrical room is used to store electrical equipment, which is installed inside the electrical room. The side wall of the electrical room has an upper opening and a lower opening that connect the electrical room. The electrical room is equipped with an air duct and an air collecting hood. The air collecting hood is located in the electrical room and above the heat dissipation vent of the electrical equipment. One end of the air collecting hood and the air duct are connected. The other end of the air duct extends out of the upper opening and connects to the hot air inlet of the air temperature regulating chamber. The cold air outlet of the air temperature regulating chamber is connected to the lower opening. The air duct is also equipped with an emergency exhaust port, which is located outside the electrical room. An electric emergency exhaust valve is installed at the emergency exhaust port, which controls the opening or closing of the emergency exhaust port.

6. An electrical room employing an integrated evaporative water source cooling unit as described in any one of claims 1-4, characterized in that: The electrical room is used to store electrical equipment, which is installed inside the electrical room. The side wall of the electrical room has an upper opening and a lower opening that connect the electrical room. It also includes an air duct, which is located outside the electrical room. One end of the air duct is connected to the upper opening, and the other end of the air duct is connected to the hot air inlet of the air temperature regulating chamber. The cold air outlet of the air temperature regulating chamber is connected to the lower opening. The air duct is also equipped with an emergency exhaust port, which is located outside the electrical room. An electric emergency exhaust valve is installed at the emergency exhaust port, which controls the opening or closing of the emergency exhaust port.

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