A thermal management structure for UPS cabinet

Abstract

The present invention provides a thermal management structure of a UPS cabinet, comprising a UPS cabinet, a plurality of lithium batteries are arranged in the UPS cabinet, a heating component is arranged at the lower end of the UPS cabinet, an output end of the heating component is connected to a gas pipeline, and the gas pipeline is arranged in the UPS cabinet; a plurality of air inlets are opened on the back of the UPS cabinet, a plurality of thermostatic valves are arranged on the air inlets, a lifting mechanism is arranged on the outside of the UPS cabinet, a docking mechanism is arranged on the output end of the lifting mechanism, and a thermostatic mechanism is arranged on the output end of the docking mechanism. The present invention can accurately adjust the temperature inside the UPS cabinet through the cooperation of the heating component, the gas pipeline, the thermostatic valve and the thermostatic mechanism. The appropriate temperature environment can ensure that the lithium battery and other electronic components are in the best working state, thereby improving the overall reliability and stability of the UPS system.

Description

Technical Field

[0001] The invention mainly relates to the technical field of UPS cabinets, and in particular to a thermal management structure of a UPS cabinet. Background Art

[0002] UPS, or uninterruptible power supply, is a constant voltage and frequency uninterruptible power supply with energy storage device and inverter as the main component. It is mainly used to provide uninterruptible power supply to a single computer, computer network system or other power electronic equipment. When the mains input is normal, UPS stabilizes the mains and supplies it to the load. At this time, UPS is an AC mains voltage stabilizer, and it also charges the battery inside the machine; when the mains power is interrupted, UPS immediately uses the power of the battery inside the machine to continue to supply 220V AC to the load through inverter conversion, so that the load maintains normal operation and protects the load software and hardware from damage. UPS equipment usually provides protection against both excessive voltage and too low voltage.

[0003] UPS cabinets face many challenges in low temperature environments. For lithium batteries in UPS systems, low temperatures affect the electrochemical reaction kinetics inside lithium batteries. Under low temperature conditions, the ionic conductivity of the electrolyte decreases and the diffusion rate of ions in the electrode material slows down. This reduces the number of active lithium ions available to the battery during discharge, resulting in a reduction in the available capacity of the battery. For example, at -20°C, the capacity of a lithium battery may be only 50%-70% of that at room temperature (the specific values ​​for different types of lithium batteries vary). At the same time, the internal resistance of the battery will increase, which will cause a greater voltage drop during the charge and discharge process, further affecting the performance of the battery, reducing the output power of the battery, and making it possible for the device to not get enough power supply at low temperatures. In addition, other electronic components in the UPS cabinet, such as circuit boards, inverters, etc., will change their electrical performance parameters at low temperatures. The carrier mobility of semiconductor devices decreases as the temperature decreases, which may lead to problems such as changes in component switching speed and signal transmission delays. At the same time, the thermal expansion and contraction caused by low temperatures may cause poor contact or damage to the components, affecting the stability and reliability of the entire UPS system.

[0004] For example, Chinese patent publication number CN212231162U discloses a UPS that can be turned on in a zero-degree environment, including a shell and a UPS body, one side of the UPS body is fixedly connected to the inner wall of the shell, and a hot air blower is fixedly connected to the outer side of one side wall of the shell by screws. The hot air blower outlet is fixedly connected to a fixed pipe, one end of the fixed pipe passes through the shell, and a branch pipe is fixedly connected to the surface of the fixed pipe. The branch pipes are distributed in a circular array relative to the center of the fixed pipe, a first air outlet hole is opened on the surface of the branch pipe, and a heat dissipation hole is opened on the surface of the shell. The above application is provided with a hot air blower, and the wind of the hot air blower enters the shell evenly through multiple groups of branch pipes, which can quickly heat up. A rectangular sleeve and heat dissipation holes are provided. When hot air is blown into the shell, the rectangular sleeve blocks the heat dissipation holes to prevent heat loss. When in normal use, the rectangular sleeve is moved by pulling the connecting rod so that the rectangular sleeve does not block the heat dissipation holes, thereby facilitating heat dissipation.

[0005] The simple heating method in the prior art only heats the entire cabinet uniformly, without considering the temperature difference requirements of different areas in the cabinet, especially for large UPS cabinets containing multiple lithium batteries. Moreover, some heating systems cannot accurately control the temperature, which may cause local overheating, which is also harmful to lithium batteries and other electronic components. In addition, there is a lack of flexibility in temperature regulation, and the heating strategy cannot be adjusted in time according to the actual ambient temperature changes and the load conditions of the UPS system. It is also not efficient in energy utilization, which may cause unnecessary energy waste. Summary of the invention

[0006] 1. Technical problem to be solved by the invention:

[0007] The present invention provides a heat management structure of a UPS cabinet, which is used to solve the technical problems existing in the above-mentioned background technology.

[0008] 2. Technical solution:

[0009] To achieve the above-mentioned object, the technical solution provided by the present invention is as follows: a thermal management structure of a UPS cabinet, comprising a UPS cabinet, wherein a plurality of lithium batteries are arranged in the UPS cabinet, a heating component is arranged at the lower end of the UPS cabinet, an output end of the heating component is connected to a gas pipeline, the gas pipeline is arranged in the UPS cabinet, the heating component generates hot air and transmits heat to the UPS cabinet through the gas pipeline, and the gas pipeline cooperates with the UPS cabinet to separate each lithium battery into an independent space;

[0010] The back of the UPS cabinet is provided with a plurality of air inlets, and the air inlets are provided with a plurality of thermostatic valves, each of the thermostatic valves being opposite to a row of lithium batteries respectively. A lifting mechanism is provided on the outside of the UPS cabinet, and a docking mechanism is provided on the output end of the lifting mechanism, and a thermostatic mechanism is provided on the output end of the docking mechanism. One input end of the thermostatic mechanism is connected to the other output end of the heating component, and the other input end of the thermostatic mechanism is connected to the external air. The thermostatic mechanism is used to transport hot air or cold air into a thermostatic valve.

[0011] Preferably, the heating component is a heat pump component, a hot air generator, a gas heater or a ducted electric heater.

[0012] Preferably, the gas pipeline includes a main pipeline vertically arranged in the UPS cabinet, a plurality of branch pipelines are vertically arranged on the main pipeline, gas transmission cavities are opened in the main pipeline and the branch pipelines, exhaust holes are opened on the branch pipelines, and a control valve is provided at the connection between each branch pipeline and the main pipeline.

[0013] Preferably, the control valve comprises a first electric push rod fixed on the main pipeline, a valve body is arranged on the output end of the first electric push rod, and the valve body is slidably arranged on the branch pipeline.

[0014] Preferably, the temperature-adjusting valve includes a first motor fixed in the UPS cabinet, a motor shaft of the first motor is connected to a gear through a first transmission assembly, the left and right sides of the gear respectively form a meshing structure with a first rack and a second rack, the first rack is connected to the upper valve through a first connecting block, and the second rack is connected to the lower valve through a second connecting block.

[0015] Preferably, the lifting mechanism includes a second motor fixed to the outer wall of the UPS cabinet, a driving synchronous pulley is fixedly mounted on the motor shaft of the second motor, a support is also fixedly mounted on the outer wall of the UPS cabinet, the support is arranged above the second motor, a driven synchronous pulley is rotatably mounted on the support, the driving synchronous pulley and the driven synchronous pulley are connected by a synchronous belt, an active lifting block is fixedly mounted on the synchronous belt, and the docking mechanism is fixed on the active lifting block.

[0016] Preferably, two guide rails are vertically arranged on the back of the UPS cabinet, and sliders are installed on the guide rails for sliding up and down, one of the sliders is connected to the active lifting block, and the other slider is connected to the driven lifting block, and the other end of the docking mechanism is fixed to the driven lifting block.

[0017] Preferably, the docking mechanism includes two symmetrically arranged mounting seats, a driving shaft is rotatably mounted on one end of the mounting seat, and a driven shaft is rotatably mounted on the other end, two driving wheels are fixedly mounted on the driving shaft, and two driven wheels are fixedly mounted on the driven shaft, the driving wheel and the driven wheel are driven by a connecting belt, the temperature control mechanism is fixed to the upper end of the connecting belt, a third motor is fixedly mounted on the mounting seat, and the third motor is connected to the driving shaft through a second transmission assembly.

[0018] Preferably, the temperature control mechanism includes an air distribution duct fixed on the connecting belt, a fan is provided on the inner side of the air distribution duct close to the air inlet, a filter is provided on the air inlet side of the fan, the bottom of the air distribution duct is connected with the heating component through a hot air duct, a cold air inlet is provided at the end of the air distribution duct away from the air inlet, a damper is installed on the cold air inlet for sliding up and down, a second electric push rod is provided on the air distribution duct, the second electric push rod is connected to the damper, and the second electric push rod drives the damper to move up and down to open or close the cold air inlet.

[0019] Preferably, a guide block is provided at the upper end of the mounting seat, and a guide groove matching with the guide block is provided on the gas distribution pipeline.

[0020] 3. Beneficial effects:

[0021] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0022] The present invention can accurately adjust the temperature inside the UPS cabinet through the cooperation of the heating component, the gas pipeline, the temperature regulating valve and the temperature regulating mechanism. Whether heating the lithium battery and other equipment in a low temperature environment, or introducing cold air to cool down when the temperature is too high, the appropriate temperature range inside the cabinet can be maintained to ensure the normal operation of the UPS system. The appropriate temperature environment can ensure that the lithium battery and other electronic components are in the best working state, reduce the risk of performance degradation, failure and damage caused by excessively high or low temperature, thereby improving the overall reliability and stability of the UPS system, and reducing the equipment failure rate and maintenance costs. By preventing lithium batteries and other equipment from working under harsh temperature conditions, such as preventing the reduction of lithium battery capacity and plate sulfation in low temperature environments, and preventing battery dehydration and drying up and accelerated aging of electronic components in high temperature environments, the service life of each device in the UPS system can be effectively extended.

[0023] The gas pipeline of the present invention separates each lithium battery into an independent space, and the temperature regulating valve corresponds to each row of lithium batteries. Combined with the lifting mechanism and the docking mechanism, it can realize targeted temperature management of lithium batteries in different areas, meeting the temperature difference requirements that may exist in lithium batteries in different positions. The heating component heats the UPS cabinet and the adjustable hot and cold gas delivery mechanism enables the thermal management structure to adapt to different environmental conditions and working requirements, and can achieve effective temperature control whether in cold or hot areas.

[0024] The filter in the temperature control mechanism of the present invention can filter the air entering the cabinet, prevent dust, impurities and other pollutants from entering the UPS cabinet, reduce damage to lithium batteries and other electrical components, and help extend the service life of the equipment and maintain equipment performance.

[0025] The present invention utilizes motors, electric push rods, transmission components, etc. to realize automation of valve control, mechanism lifting and docking, damper adjustment and other operations, reduces the need for manual intervention, improves the timeliness and accuracy of temperature adjustment, and facilitates remote monitoring and control. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the overall structure of the present invention from another angle;

[0028] Figure 3 It is an explosion schematic diagram of the present invention;

[0029] Figure 4 It is a schematic diagram of the external structure of the gas pipeline of the present invention;

[0030] Figure 5 It is a schematic diagram of the internal structure of the gas pipeline of the present invention;

[0031] Figure 6 This is a structural schematic diagram of the docking mechanism and the temperature regulating mechanism of the present invention at one angle;

[0032] Figure 7 This is a schematic diagram of the docking mechanism and the temperature regulating mechanism structure from another angle of the present invention;

[0033] Figure 8 It is a schematic diagram of the docking mechanism structure of the present invention;

[0034] Fig. 9 It is a schematic diagram of the temperature adjustment mechanism structure of the present invention;

[0035] Fig.10 It is a schematic diagram of the lifting mechanism structure of the present invention;

[0036] Fig.11 It is a schematic diagram of the internal structure of the UPS cabinet of the present invention;

[0037] Fig.12 It is a schematic diagram of the structure of the temperature regulating valve of the present invention.

[0038] Reference numerals:

[0039] 1. UPS cabinet; 2. Lithium battery; 3. Heating component; 4. Gas pipeline; 41. Main pipeline; 42. Branch pipeline; 43. Gas transmission cavity; 44. Exhaust hole; 45. Control valve; 451. First electric push rod; 452. Valve body; 5. Temperature regulating valve; 51. First motor; 52. First transmission component; 53. Gear; 54. First rack; 55. Second rack; 56. First connecting block; 57. Upper valve; 58. Second connecting block; 59. Lower valve; 6. Lifting mechanism; 61. Second motor; 62. Active synchronous pulley; 63. Support; 64. Driven synchronous pulley; 65. Synchronous belt; 66. Active lifting block; 67. Slider; 68. Guide rail; 69. Driven lifting block; 7. Docking mechanism; 71. Mounting seat; 72. Active rotating shaft; 73. Active wheel; 74. Driven rotating shaft; 75. Driven wheel; 76. Connecting belt; 77. Third motor; 78. Second transmission assembly; 79. Guide block; 8. Temperature control mechanism; 81. Air distribution duct; 82. Fan; 83. Filter; 84. Hot air duct; 85. Cold air inlet; 86. Air door; 87. Second electric push rod. DETAILED DESCRIPTION

[0040] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] It should be noted that the structures not introduced in the present invention are the same as the prior art or can be implemented by using the prior art, and are not described in detail here because they do not involve the design points and improvement directions of the present invention.

[0045] Example:

[0046] See attached Figures 1 to 12 A thermal management structure of a UPS cabinet includes a UPS cabinet 1, a plurality of lithium batteries 2 are arranged in the UPS cabinet 1, a heating component 3 is arranged at the lower end of the UPS cabinet 1, an output end of the heating component 3 is connected to a gas pipeline 4, the gas pipeline 4 is arranged in the UPS cabinet 1, the heating component 3 generates hot air and transmits heat to the UPS cabinet 1 through the gas pipeline 4, and the gas pipeline 4 cooperates with the UPS cabinet 1 to separate each lithium battery 2 into an independent space;

[0047] A plurality of air inlets are provided on the back of the UPS cabinet 1, and a plurality of thermostatic valves 5 are provided on the air inlets. Each thermostatic valve 5 is respectively opposite to a row of lithium batteries 2. A lifting mechanism 6 is provided on the outside of the UPS cabinet 1. A docking mechanism 7 is provided on the output end of the lifting mechanism 6. A thermostatic mechanism 8 is provided on the output end of the docking mechanism 7. One input end of the thermostatic mechanism 8 is connected to the other output end of the heating component 3, and the other input end of the thermostatic mechanism 8 is connected to the external air. The thermostatic mechanism 8 is used to transport hot air or cold air into a thermostatic valve 5.

[0048] The heating component 3 adopts a heat pump component, a hot air generator, a gas heater or a ducted electric heater.

[0049] The gas pipeline 4 includes a main pipeline 41 vertically arranged in the UPS cabinet 1, and a plurality of branch pipelines 42 are vertically arranged on the main pipeline 41. A gas transmission cavity 43 is opened in the main pipeline 41 and the branch pipeline 42, and an exhaust hole 44 is opened on the branch pipeline 42. A control valve 45 is set at the connection between each branch pipeline 42 and the main pipeline 41.

[0050] The control valve 45 includes a first electric push rod 451 fixed on the main pipeline 41 . A valve body 452 is disposed on the output end of the first electric push rod 451 . The valve body 452 is slidably disposed on the branch pipeline 42 .

[0051] The thermostatic valve 5 includes a first motor 51 fixed in the UPS cabinet 1. The motor shaft of the first motor 51 is connected to the gear 53 through the first transmission assembly 52. ​​The left and right sides of the gear 53 respectively form a meshing structure with the first rack 54 and the second rack 55. The first rack 54 is connected to the upper valve 57 through the first connecting block 56, and the second rack 55 is connected to the lower valve 59 through the second connecting block 58.

[0052] The lifting mechanism 6 includes a second motor 61 fixed on the outer wall of the UPS cabinet 1, and a driving synchronous pulley 62 is fixedly installed on the motor shaft of the second motor 61. A support 63 is also fixedly installed on the outer wall of the UPS cabinet 1. The support 63 is arranged above the second motor 61. A driven synchronous pulley 64 is rotatably installed on the support 63. The driving synchronous pulley 62 and the driven synchronous pulley 64 are connected by a synchronous belt 65. An active lifting block 66 is fixedly installed on the synchronous belt 65, and the docking mechanism 7 is fixed on the active lifting block 66.

[0053] Two guide rails 68 are vertically arranged on the back of the UPS cabinet 1, and sliders 67 are installed on the guide rails 68 for sliding up and down. One slider 67 is connected to the active lifting block 66, and the other slider 67 is connected to the driven lifting block 69. The other end of the docking mechanism 7 is fixed on the driven lifting block 69.

[0054] The docking mechanism 7 includes two symmetrically arranged mounting seats 71, one end of the mounting seat 71 is rotatably mounted with a driving shaft 72, and the other end is rotatably mounted with a driven shaft 74, two driving wheels 73 are fixedly mounted on the driving shaft 72, and two driven wheels 75 are fixedly mounted on the driven shaft 74, and the driving wheel 73 and the driven wheel 75 are transmitted by a connecting belt 76, the temperature control mechanism 8 is fixed on the upper end of the connecting belt 76, and a third motor 77 is fixedly mounted on the mounting seat 71, and the third motor 77 is connected to the driving shaft 72 through a second transmission assembly 78.

[0055] The temperature control mechanism 8 includes an air distribution duct 81 fixed on the connecting belt 76, a fan 82 is provided on the side of the air inlet inside the air distribution duct 81, a filter 83 is provided on the air inlet side of the fan 82, the bottom of the air distribution duct 81 is connected with the heating component 3 through a hot air duct 84, a cold air inlet 85 is provided at the end of the air distribution duct 81 away from the air inlet, a damper 86 is installed on the cold air inlet 85 for sliding up and down, a second electric push rod 87 is provided on the air distribution duct 81, the second electric push rod 87 is connected to the damper 86, and the second electric push rod 87 drives the damper 86 to move up and down to open or close the cold air inlet 85.

[0056] A guide block 79 is disposed at the upper end of the mounting seat 71 , and a guide groove matching with the guide block 79 is formed on the gas distribution pipe 81 .

[0057] Working principle:

[0058] In a low temperature environment, the heating component 3 starts to generate hot air, which is transported to the UPS cabinet 1 through the gas pipeline 4.

[0059] When the system is not started or heating is not required for a specific area, the first electric push rod 451 is in a default position, the valve body 452 is in a state of closing the branch pipe 42, and hot air cannot enter the corresponding lithium battery 2 area through the branch pipe 42.

[0060] When it is necessary to deliver hot air to the space around one or some lithium batteries 2, the control system drives the first electric push rod 451 to contract. The action of the first electric push rod 451 drives the valve body 452 to slide on the branch pipe 42, so that the valve body 452 opens the channel of the branch pipe 42. At this time, the hot air in the main pipe 41 enters the branch pipe 42 through the air delivery cavity 43 and is discharged from the exhaust hole 44 to heat the area where the corresponding lithium battery is located. By controlling the valve body 452 on each branch pipe 42, the hot air supply control of the different lithium battery areas in the UPS cabinet 1 can be achieved. Since each branch pipe 42 corresponds to a different lithium battery area, it can independently decide whether to deliver hot air to the area according to the actual temperature requirements of each area, so as to achieve precise heating of the area, avoid ineffective heating of areas that do not need heating, and improve energy efficiency.

[0061] During the entire heating process, the opening and closing states of each control valve 45 can be dynamically adjusted according to the temperature data of different areas fed back by the temperature sensor. For example, when the temperature of a lithium battery area is low, the corresponding control valve 45 is opened for heating; when the temperature rises to a suitable range, the valve is closed. This flexible control method helps to maintain the uniformity and stability of the temperature inside the cabinet, ensuring that each lithium battery can work in a suitable temperature environment.

[0062] When the temperature of the area reaches the set value or heating is no longer needed, the control system drives the first electric push rod 451 again to return the valve body 452 to the initial position, close the branch pipe 42, and stop the hot air delivery.

[0063] When the following situations occur, the temperature adjustment mechanism 8 is started to perform auxiliary adjustment:

[0064] 1. When the external environment temperature of the UPS cabinet 1 drops significantly, such as in a cold winter or a special low-temperature environment, the heat generated by the heating component 3 through the gas pipeline 4 may not be enough to maintain the optimal working temperature of the lithium battery 2 and other equipment. At this time, the temperature control mechanism 8 can further distribute the heat generated by the heating component 3 to the required area, that is, by connecting with the temperature control valves 5 at different positions, the heating effect of the specific area inside the UPS cabinet 1 is enhanced to ensure that the temperature is evenly increased to a suitable range.

[0065] Second, although there is a gas pipeline 4 to transport hot air to the cabinet, due to the cabinet structure, the layout of the lithium batteries 2 or other factors, there may be a large temperature difference at different locations inside the cabinet. For example, the temperature of the area near the edge of the cabinet or the air inlet is lower, while the temperature of the central area is relatively higher. The temperature control mechanism 8 can accurately transport the hot air of the heating component 3 to the area with lower temperature based on the temperature information of different areas fed back by the temperature sensor, so that the temperature inside the cabinet is more uniform, ensuring that all lithium batteries 2 are in a good temperature environment.

[0066] 3. When the temperature sensor installed on or around the lithium battery 2 detects that the temperature of one or some lithium batteries deviates from the normal operating temperature range, the temperature control mechanism 8 can cooperate with the heating component 3 to perform local temperature control. If the temperature of a lithium battery is too low, the temperature control mechanism 8 guides the hot air of the heating component 3 to the area where the lithium battery is located, and increases its temperature through the corresponding temperature control valve 5 to avoid affecting the performance and life of the lithium battery due to the local low temperature. If the temperature of a lithium battery is too high, the temperature control mechanism 8 guides cold air to the area where the lithium battery 2 is located, and increases its temperature through the corresponding temperature control valve 5 to avoid affecting the performance and life of the lithium battery due to the local high temperature.

[0067] 4. During the operation of the UPS system, changes in load may cause changes in the heat generation and distribution inside the cabinet. For example, when the load suddenly increases, the heat generated by the UPS device itself increases, which may affect the temperature balance inside the cabinet. If the temperature sensor detects an abnormal fluctuation in the cabinet temperature at this time, the temperature adjustment mechanism 8 can work in conjunction with the heating component 3 according to the actual situation to adjust the temperature of different areas and maintain a stable operating environment.

[0068] Auxiliary temperature adjustment process: The second motor 61 starts, drives the active synchronous pulley 62 to rotate, and drives the driven synchronous pulley 64 to rotate through the synchronous belt 65, so that the active lifting block 66 moves with the synchronous belt 65. The active lifting block 66 drives the slider 67 to slide on the guide rail 68, and at the same time, the connected driven lifting block 69 ensures the stable operation of the entire lifting mechanism 6. The docking mechanism 7 installed on the active lifting block 66 and the driven lifting block 69 rises and falls accordingly.

[0069] The first motor 51 drives the gear 53 to rotate through the first transmission assembly 52. ​​The gear 53 drives the first rack 54 and the second rack 55 on the left and right sides to move in opposite directions. The first rack 54 drives the upper valve 57 through the first connecting block 56, and the second rack 55 drives the lower valve 59 through the second connecting block 58, thereby adjusting the opening of the air inlet, controlling the amount of external air entering the UPS cabinet 1, and controlling the corresponding temperature regulating valve 5 according to the temperature requirements of each row of lithium batteries 2.

[0070] When the temperature of the thermostatic valve 5 at a specific position needs to be adjusted, the third motor 77 is started. The power of the third motor 77 is transmitted to the active shaft 72 through the second transmission assembly 78, so that the active shaft 72 starts to rotate. The two driving wheels 73 on the active shaft 72 rotate with the shaft. Since the driving wheel 73 and the driven wheel 75 are driven by the connecting belt 76, the rotation of the driving wheel 73 drives the connecting belt 76 to move, so that the driven wheel 75 rotates together with the connecting belt 76. During the movement of the connecting belt 76, the thermostatic mechanism 8 fixed on the upper end of the connecting belt 76 moves accordingly until the thermostatic mechanism 8 moves to the position corresponding to the target thermostatic valve 5, realizes docking, and is ready for the hot air or cold air delivery operation.

[0071] Hot air delivery process: When hot air needs to be delivered to the thermostatic valve 5, the hot air generated by the heating component 3 enters the gas distribution pipe 81 through the hot air pipe 84. At this time, the fan 82 is started, and the fan 82 rotates to form a directional airflow of the hot air in the gas distribution pipe 81. The airflow passes through the filter 83, which can filter dust and other impurities that may be carried in the hot air in this process. After that, the hot air is delivered to the UPS cabinet 1 through the thermostatic valve 5 connected to the gas distribution pipe 81, thereby heating the corresponding area inside the cabinet.

[0072] Cold air delivery process: When the interior of the cabinet needs to be cooled, the second electric push rod 87 is activated to push the damper 86 downward to open the cold air inlet 85. Under the action of the fan 82, the external cold air enters the air distribution duct 81 from the cold air inlet 85, and after being guided and accelerated by the fan 82, the cold air is delivered to the UPS cabinet 1 through the thermostatic valve 5. In this process, the filter 83 can also filter the incoming air to prevent impurities from entering the cabinet.

[0073] When hot or cold air is not needed, the fan 82 stops rotating. If cold air is being delivered before, the second electric push rod 87 drives the damper 86 to close the cold air inlet 85, maintains the stable state in the gas distribution pipe 81, and prevents the outside air from entering and exiting at will to affect the cabinet temperature. The temperature environment of the lithium battery 2 in different areas of the UPS cabinet 1 is controlled by the temperature control mechanism 8. By controlling the delivery of hot or cold air, the temperature in the UPS cabinet 1 can be effectively adjusted. In a low temperature environment, hot air can be delivered to increase the temperature; when the temperature inside the cabinet is too high or local cooling is required during the temperature balancing process, cold air can be delivered, and the temperature around each lithium battery 2 can be flexibly adjusted according to the actual temperature of each lithium battery 2, to ensure that the UPS system operates stably in a suitable temperature environment, so that the temperature inside the cabinet is kept within a range suitable for the operation of equipment such as lithium batteries 2, and to ensure the performance and life of the equipment.

[0074] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A thermal management structure of a UPS cabinet, comprising a UPS cabinet (1), wherein a plurality of lithium batteries (2) are arranged in the UPS cabinet (1), characterized in that: A heating component (3) is provided at the lower end of the UPS cabinet (1); an output end of the heating component (3) is connected to a gas pipeline (4); the gas pipeline (4) is provided in the UPS cabinet (1); the heating component (3) generates hot air and transmits heat to the UPS cabinet (1) through the gas pipeline (4); the gas pipeline (4) cooperates with the UPS cabinet (1) to separate each lithium battery (2) into an independent space; The back of the UPS cabinet (1) is provided with a plurality of air inlets, and the air inlets are provided with a plurality of thermostatic valves (5), each of the thermostatic valves (5) being opposite to a row of lithium batteries (2). The outside of the UPS cabinet (1) is provided with a lifting mechanism (6), and the output end of the lifting mechanism (6) is provided with a docking mechanism (7), and the output end of the docking mechanism (7) is provided with a thermostatic mechanism (8), one input end of the thermostatic mechanism (8) is connected to the other output end of the heating component (3), and the other input end of the thermostatic mechanism (8) is connected to the external air, and the thermostatic mechanism (8) is used to transport hot air or cold air into a thermostatic valve (5).

2. The thermal management structure of a UPS cabinet according to claim 1, characterized in that: The heating component (3) adopts a heat pump component, a hot air generator, a gas heater or a ducted electric heater.

3. The thermal management structure of a UPS cabinet according to claim 1, characterized in that: The gas transmission pipeline (4) comprises a main pipeline (41) vertically arranged in the UPS cabinet (1), a plurality of branch pipelines (42) are vertically arranged on the main pipeline (41), a gas transmission cavity (43) is provided in the main pipeline (41) and the branch pipelines (42), an exhaust hole (44) is provided on the branch pipeline (42), and a control valve (45) is provided at the connection between each branch pipeline (42) and the main pipeline (41).

4. The thermal management structure of a UPS cabinet according to claim 3, characterized in that: The control valve (45) comprises a first electric push rod (451) fixed on the main pipeline (41), a valve body (452) being arranged on the output end of the first electric push rod (451), and the valve body (452) being slidably arranged on the branch pipeline (42).

5. The thermal management structure of a UPS cabinet according to claim 1, characterized in that: The temperature regulating valve (5) comprises a first motor (51) fixed in the UPS cabinet (1); the motor shaft of the first motor (51) is connected to a gear (53) via a first transmission assembly (52); the left and right sides of the gear (53) respectively form a meshing structure with a first rack (54) and a second rack (55); the first rack (54) is connected to an upper valve (57) via a first connecting block (56); and the second rack (55) is connected to a lower valve (59) via a second connecting block (58).

6. The thermal management structure of a UPS cabinet according to claim 1, characterized in that: The lifting mechanism (6) comprises a second motor (61) fixed on the outer wall of the UPS cabinet (1); a driving synchronous pulley (62) is fixedly mounted on the motor shaft of the second motor (61); a support (63) is also fixedly mounted on the outer wall of the UPS cabinet (1); the support (63) is arranged above the second motor (61); a driven synchronous pulley (64) is rotatably mounted on the support (63); the driving synchronous pulley (62) and the driven synchronous pulley (64) are connected via a synchronous belt (65); an active lifting block (66) is fixedly mounted on the synchronous belt (65); and the docking mechanism (7) is fixed on the active lifting block (66).

7. The thermal management structure of a UPS cabinet according to claim 6, characterized in that: Two guide rails (68) are vertically arranged on the back of the UPS cabinet (1), and a slider (67) is slidably mounted on the guide rail (68). One of the sliders (67) is connected to the active lifting block (66), and the other slider (67) is connected to the driven lifting block (69). The other end of the docking mechanism (7) is fixed to the driven lifting block (69).

8. The thermal management structure of a UPS cabinet according to claim 1, characterized in that: The docking mechanism (7) comprises two symmetrically arranged mounting seats (71), one end of the mounting seat (71) is rotatably mounted with a driving shaft (72), and the other end of the mounting seat is rotatably mounted with a driven shaft (74), two driving wheels (73) are fixedly mounted on the driving shaft (72), and two driven wheels (75) are fixedly mounted on the driven shaft (74), the driving wheels (73) and the driven wheels (75) are driven by a connecting belt (76), the temperature adjustment mechanism (8) is fixed to the upper end of the connecting belt (76), and a third motor (77) is fixedly mounted on the mounting seat (71), and the third motor (77) is connected to the driving shaft (72) via a second transmission assembly (78).

9. The thermal management structure of a UPS cabinet according to claim 8, characterized in that: The temperature control mechanism (8) comprises an air distribution duct (81) fixed on the connecting belt (76); a fan (82) is arranged on a side of the air distribution duct (81) close to the air inlet; a filter (83) is arranged on the air inlet side of the fan (82); the bottom of the air distribution duct (81) is connected to the heating component (3) through a hot air duct (84); a cold air inlet (85) is arranged at one end of the air distribution duct (81) away from the air inlet; a damper (86) is slidably mounted on the cold air inlet (85); a second electric push rod (87) is arranged on the air distribution duct (81); the second electric push rod (87) is connected to the damper (86); the second electric push rod (87) drives the damper (86) to move up and down to open or close the cold air inlet (85).

10. The thermal management structure of a UPS cabinet according to claim 9, characterized in that: A guide block (79) is provided at the upper end of the mounting seat (71), and a guide groove matching the guide block (79) is provided on the gas distribution pipe (81).

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