A prepackaged box-type substation for power supply

Abstract

This invention discloses a prefabricated box-type substation for power supply, relating to the technical field of box-type substations. It includes a substation body with symmetrically arranged transformer components inside. A sealed enclosure door is symmetrically hinged to the front of the substation body. A bottom support base is provided at the bottom of the substation body. Oil storage tanks are provided on both sides of the bottom of the substation body. A cooling circulation pump is installed at the top of the oil storage tank, and a heat exchange inner tank is connected to the top of the cooling circulation pump. This invention uses heat-conducting oil to insulate the interior of the box-type substation, preventing rapid temperature drops and brittle damage to the internal components. This effectively prevents performance degradation of the transformer components due to heat accumulation during use, and also prevents rapid cooling from causing brittle damage to the internal components, thus effectively improving the overall environmental adaptability of the box-type substation.

Description

Technical Field

[0001] This invention relates to the field of prefabricated substation technology, specifically a prefabricated prefabricated substation for power supply. Background Technology

[0002] Prefabricated box-type substations, commonly known as box-type substations, are integrated outdoor power distribution equipment that is pre-assembled, wired, and debugged in a factory and encapsulated in a metal box. They integrate high-voltage power reception, transformer step-down, low-voltage power distribution, protection, and metering. They are delivered as complete units, and only foundation placement and cable connection are required on-site for commissioning. They are mainly used for medium and low voltage power transfer and belong to modular prefabricated complete sets of power equipment. For this purpose, a Chinese patent discloses a prefabricated box-type substation with application number CN201820800583.X. This patent has low construction costs, short construction period, small environmental impact, and seismic energy dissipation characteristics. However, currently, the operating environment of prefabricated substations is limited during use, causing internal heat to accumulate continuously during operation in hot environments. This makes the performance of various transformer components inside the prefabricated substations prone to degradation, thereby reducing the overall environmental adaptability of the prefabricated substations. Summary of the Invention

[0003] This invention provides a prefabricated box-type substation for power supply, which can effectively solve the problem mentioned in the background art that the box-type substation is limited by the working environment during use, which causes the internal heat to accumulate continuously during the continuous operation of the substation in a hot environment, making the performance of the transformer components inside the box-type substation prone to degradation, thereby reducing the overall environmental adaptability of the box-type substation.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a prefabricated box-type substation for power supply, comprising a substation body, wherein power transformation components are symmetrically arranged inside the substation body, sealed box doors are symmetrically hinged on the front of the substation body, and a bottom support base is provided at the bottom of the substation body; The substation body is equipped with an internal three-dimensional circulating heat conduction mechanism, which is used to adjust the temperature inside the substation in real time and seal the interior of the substation body according to the external environment and the temperature inside the substation, so that the substation can adapt to different working environments. The internal three-dimensional circulating heat conduction mechanism includes an oil storage outer tank; The substation has an oil storage tank at the bottom of both sides, a cooling circulation pump at the top of the oil storage tank, and a heat exchange inner tank connected to the top of the cooling circulation pump. The top of the heat exchange inner box is connected to a liquid guiding bend, the end of the liquid guiding bend is connected to a liquid guiding flat box, the middle of the inner side of the liquid guiding flat box is connected to a separation bend, the end of the separation bend is connected to a rectangular guide tube, the bottom four corners of the rectangular guide tube are all fixedly connected to liquid guiding inner tubes, and the end of the liquid guiding inner tube is connected to a heat exchange vertical plate.

[0005] Preferably, a return bottom pipe is fixedly connected to each of the two corners of the bottom surface on both sides of the heat exchange vertical plate, and the end of the return bottom pipe is connected to the bottom of the side of the oil storage tank. The top surface of the rectangular guide tube is fixedly connected to the middle of both ends of the liquid injection tube, and a sealing round cap is installed at the middle of the top of the liquid injection tube by thread. The oil storage tank is filled with insulating heat-conducting oil. The oil storage tank is interconnected with the liquid guiding box and the heat exchange vertical plate. The side of the heat exchange vertical plate is flush with the inner wall of the substation body. Air inlets are symmetrically arranged at the top of both ends of the substation body. A temperature sensor is installed inside the oil storage tank, and the signal output terminal of the temperature sensor is connected to an external controller. The cooling circulation pump is powered by an external power source.

[0006] Preferably, a central fixing frame is fixedly connected at the middle of the top of the substation body, corresponding to the outer position of the liquid injection jacking pipe, and side protective covers are fixedly connected to both sides of the central fixing frame; A wind guide mounting cover is fixedly connected to the bottom inner side of the central fixed frame. A circulating cooling fan is installed at the bottom inner side of the wind guide mounting cover. The circulating cooling fan is powered by an external power source. Rectangular air guide boxes are fixedly connected to both ends of the top surface of the wind guide mounting cover. Wind guide bends are fixedly connected to both ends of the bottom surface of the rectangular air guide boxes. A wind guide heat exchange flat box is fixedly connected to the end of the wind guide bend at the top position of the liquid guide flat box. An exhaust rectangular box is fixedly connected to the bottom of the exhaust rectangular box. A protective fine mesh is fixedly connected to the bottom inner side of the exhaust rectangular box. The outer side of the liquid guiding flat box is tightly fitted to the inner wall of the side protective cover, and an auxiliary guide groove is provided on the side of the liquid guiding flat box. The top surface of the liquid guiding flat box is tightly fitted to the bottom surface of the air guiding heat exchange flat box.

[0007] Preferably, water-guiding inclined boxes are embedded in both ends of the central fixed frame, a protective inclined net is embedded in the top of the inner side of the water-guiding inclined box, a drainage rectangular tube is fixedly connected to the bottom of the water-guiding inclined box, a lifting rectangular sliding plate is slidably engaged with the top of the inner side of the drainage rectangular tube, a water-guiding cotton block is fixedly connected to the top of the lifting rectangular sliding plate at the position corresponding to the inside of the drainage rectangular tube, and a supporting liquid bladder is adhered to the bottom of the lifting rectangular sliding plate at the position corresponding to the inside of the drainage rectangular tube. A liquid guiding tube is fixedly connected to the middle of the bottom end of the support liquid bladder and to the inside of the strain power station. A fixed liquid guiding box is fixedly connected to the end of the liquid guiding tube and to the top of the inside of the strain power station. A telescopic guide box is slidably engaged at the bottom of the inside of the fixed liquid guiding box. The top surface of the protective inclined net is flush with the top inclined surface of the central fixed frame. A drainage rectangular groove is opened through the middle of the side of the drainage rectangular tube. A reset support spring is provided in the middle of the inner side of the support liquid bladder. The inner cavities of the support liquid bladder and the fixed liquid guide box are filled with hydraulic oil. The outer top of the telescopic guide box is tightly slidably fitted with the inner wall of the fixed liquid guide box.

[0008] Preferably, a central heat exchange drive box is provided at the bottom of both ends of the inner side of the main body of the strain gauge power station on the outside of the telescopic guide box. A thermal expansion bladder is provided at the bottom of the inner side of the central heat exchange drive box. A drive lifting block is attached to the top of the thermal expansion bladder at the position inside the central heat exchange drive box. A drive suspension pipe is fixedly connected to the middle of one side of the drive lifting block. A drive pressure block is fixedly connected to the end of the drive suspension pipe. A driving rectangular side box is provided at one corner of the main body of the strain gauge power station on the outside of the driving pressure block, and a pressure regulating liquid bladder is provided at the bottom of the inner side of the driving rectangular side box. The bottom of the telescopic guide box extends through the top of the central heat exchange drive box, and the bottom surface of the telescopic guide box is in close contact with the top surface of the drive lifting block. The thermal expansion bladder is filled with mineral thermal oil, and the top surface of the pressure regulating liquid bladder is in close contact with the bottom surface of the drive pressure block.

[0009] Preferably, a buffer side box is provided inside the main body of the substation at the position on the other side of the heat exchange drive box in the middle. A sealing thin tube is fixedly connected to the bottom middle of the pressure regulating liquid bladder. A buffer expansion bladder is fixedly connected to one side of the sealing thin tube at the position inside the buffer side box through a liquid guiding branch pipe. A buffer counterweight slider is adhered to the top of the buffer expansion bladder. A limiting connection frame is fixedly installed on the front of the substation body at the position corresponding to the sealing box door, and a sealing liquid bladder is fixedly connected to the end of the sealing tube at the position corresponding to the inner side of the limiting connection frame. The pressure regulating bladder, the buffer telescopic bladder, and the inner cavity of the sealing bladder are interconnected, and the outer side of the sealing bladder is tightly fitted with the limiting connection frame and the sealing box door.

[0010] Preferably, the substation body is provided with an external auxiliary detection and protection mechanism. The external auxiliary detection and protection mechanism is used to detect the operating status of the transformer box and the surrounding environment during operation, so as to realize the monitoring of the transformer box. The external auxiliary detection and protection mechanism includes a surveillance camera; Each corner of the bottom surface of the air guide mounting cover is connected to a monitoring camera via a mounting bracket. Protective inclined plates are fixedly connected to both sides of the substation main body at the position corresponding to the top of the oil storage tank. Vibration sensors are embedded at the two corners of the bottom surface of the protective inclined plates. A rectangular mounting frame is fixedly connected to the middle of the inner side of the sealed box door. A central rectangular mounting block is fixedly installed in the middle of the inner side of the rectangular mounting frame. A mounting rectangular box is embedded in the top and bottom surfaces of the central rectangular mounting block. A telescopic locking rod is embedded in the end of the mounting rectangular box.

[0011] Preferably, the monitoring camera and vibration sensor are both connected to a remote terminal via a wireless transmission device, and the vertical projection area of ​​the protective inclined plate is larger than the area of ​​the top of the oil storage tank.

[0012] Preferably, an arc-shaped mounting block is fixedly connected to the middle of the top and bottom surfaces of the central rectangular mounting block, a circular mounting box is embedded in the side end of the arc-shaped mounting block, a central guide shaft is fixedly connected to the middle of one side of the circular mounting box, a swing balance rod is slidably sleeved on the outside of the central guide shaft, and a horizontal sensor is sleeved at the middle of both ends of the swing balance rod. After the telescopic locking rod is extended, it fits tightly against the top and bottom surfaces of the substation's main body cavity, and the end of the swing balance rod slides tightly against the inner wall of the circular mounting box.

[0013] Preferably, the swing balance bar has a through-hole for the middle of both ends, and a balance slider is slidably engaged inside the mounting guide groove. A locking bolt is threadedly installed at the middle of one end of the balance slider. The horizontal sensor signal output terminal is interconnected with the wireless transmission device, and the side of the balance slider is in close sliding contact with the inner wall of the mounting guide groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a scientific and reasonable structure and is safe and convenient to use. 1. An internal three-dimensional circulating heat conduction mechanism is installed. Through the cooperation of various components within this mechanism, the overall heat dissipation regulation process of the prefabricated substation is optimized. The heat transfer oil inside the substation circulates repeatedly inside and outside the tank via the outer oil storage tank and its connected components. This fully utilizes the temperature difference between the surrounding environment and the substation's interior, effectively improving the passive heat dissipation efficiency during operation. Furthermore, the cooperation in the gas-liquid synchronous circulation process effectively enhances the overall active heat dissipation efficiency of the substation. Simultaneously, the heat transfer oil's... The heat capacity of the substation's main enclosure material is greater than its specific heat capacity. By adjusting the circulation rate of the heat transfer oil, the substation can dissipate heat rapidly during the cooling process. At the same time, the heat absorbed by the heat transfer oil can insulate the interior of the substation in low-temperature environments, preventing the rapid temperature drop of the internal components from causing brittle damage. This effectively prevents the performance degradation of the substation components due to heat accumulation during use, and also prevents rapid cooling from causing brittle damage to the internal components, thus effectively improving the overall environmental adaptability of the substation. Meanwhile, through the cooperation between the water-guiding inclined box and the various components connected to it, the unique environmental characteristics of rainy weather are fully utilized. By changing the internal pressure of the thermal expansion bladder, pressure regulating bladder, and buffer expansion bladder, the sealing bladder is pressurized, thereby making the seal between the substation body and the sealing box door tighter. At the same time, by utilizing the heat conduction properties of the hydraulic oil inside the sealing bladder, the heat inside the substation body is actively guided to the gap on the side of the sealing box door, and the heat inside the sealing bladder is used to evaporate and discharge the small amount of rainwater that has seeped into the substation body, further improving the overall sealing performance of the box-type substation. This ensures that the box-type substation can maintain internal dryness even when used in rainy weather and humid environments, further improving the overall environmental adaptability of the box-type substation.

[0015] 2. An external auxiliary detection and protection mechanism is set up. Through the cooperation of the various components inside the external auxiliary detection and protection mechanism, the detection process during the use of the prefabricated substation is optimized. Through the cooperation of multiple sets of monitoring cameras and vibration sensors, continuous visual and vibration detection is carried out during the use of the prefabricated substation. This ensures that changes in the shape of the prefabricated substation and its surrounding environment can be detected in a timely manner. Furthermore, through the cooperation of the rectangular mounting frame and its internal components, the overall sealing strength of the prefabricated substation is strengthened, further improving the stability and safety of the prefabricated substation during use. Meanwhile, through the cooperation of various components inside multiple sets of circular mounting boxes, the initial position of the swing balance bar is adjusted by adjusting the position of the balance slider. This allows the horizontal sensor to monitor the status of the main body of the substation when abnormal shaking occurs, further expanding the detection range during the use of the substation and effectively improving the safety and ease of maintenance of the substation.

[0016] In summary, the internal three-dimensional circulating heat conduction mechanism and the external auxiliary detection and protection mechanism, through the cooperation of various components, optimize the protection and monitoring process during the use of the prefabricated substation. The unique gas-liquid circulation method within the prefabricated substation dynamically adjusts the overall heat dissipation efficiency by regulating the airflow and heat transfer oil flow rates. Simultaneously, the physicochemical properties of the heat transfer oil are fully utilized, allowing for heat dissipation when the internal temperature of the prefabricated substation rises and insulation when the power decreases and the temperature drops, thus effectively improving the overall environmental adaptability of the prefabricated substation. Furthermore, real-time monitoring through various monitoring methods ensures that any abnormalities during use can be detected promptly, improving the overall convenience of maintenance. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0018] In the attached diagram: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the installation structure of the oil storage outer casing of the present invention; Figure 3 This is a schematic diagram of the installation structure of the heat exchange drive box in the middle of the present invention; Figure 4 This is a schematic diagram of the installation structure of the heat exchange vertical plate of the present invention; Figure 5 This is a schematic diagram of the internal three-dimensional circulating heat conduction mechanism of the present invention; Figure 6 This is a schematic diagram of the installation structure of the cooling circulation pump of the present invention; Figure 7 This is a schematic diagram of the structure for installing the injection jacking pipe of the present invention; Figure 8 This is a schematic diagram of the installation structure of the heat exchange inner box of the present invention; Figure 9 This is a schematic diagram of the installation structure of the circulating cooling fan of the present invention; Figure 10This is a schematic diagram of the installation structure of the buffer expansion bladder of the present invention; Figure 11 This is a schematic diagram of the installation structure of the telescopic guide box of the present invention; Figure 12 This is a schematic diagram of the external auxiliary detection and protection mechanism of the present invention; Figure 13 This is a schematic diagram of the horizontal sensor installation structure of the present invention; The diagram labels are: 1. Substation main body; 2. Transformer components; 3. Sealed enclosure door; 4. Bottom support base; 5. Internal three-dimensional circulating heat conduction mechanism; 501. Oil storage outer tank; 502. Cooling circulation pump; 503. Heat exchange inner tank; 504. Liquid guide bend; 505. Liquid guide flat box; 506. Separation bend; 507. Rectangular guide square tube; 508. Liquid guide inner tube; 509. Heat exchange vertical plate; 510. Return bottom tube; 511. Liquid injection top tube; 512. Sealing round cover; 513. Central fixing frame; 514. Side protective cover; 515. Air guide mounting cover; 516. Circulating cooling fan; 517. Rectangular air guide box; 518. Air guide bend; 519. Air guide heat exchange flat box; 520. Exhaust rectangular box; 521. Protective fine mesh; 522. Water-guiding inclined box; 523. Protective inclined net; 524. Drainage rectangular tube; 525. Lifting rectangular sliding plate; 526. Water-guiding cotton block; 527. Supporting liquid bladder; 528. Liquid-guiding thin tube; 529. Fixed liquid-guiding box; 530. Telescopic guide box; 531. Central heat exchange drive box; 532. Thermal expansion bladder; 533. Drive lifting block; 534. Drive suspension pipe; 535. Drive pressure block; 536. Drive rectangular side box; 537. Pressure regulating liquid bladder; 538. Buffer side box; 539. Sealing thin tube; 540. Buffer telescopic bladder; 541. Buffer counterweight slider; 542. Limiting connection frame; 543. Sealing liquid bladder; 6. External auxiliary detection and protection mechanism; 601. Surveillance camera; 602. Protective inclined plate; 603. Vibration sensor; 604. Rectangular mounting frame; 605. Central rectangular mounting block; 606. Mounting rectangular box; 607. Telescopic locking rod; 608. Arc mounting block; 609. Circular mounting box; 610. Central guide shaft; 611. Swing balance bar; 612. Horizontal sensor; 613. Mounting guide groove; 614. Balance slider; 615. Locking bolt. Detailed Implementation

[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0020] Example: Figure 1-13As shown, the present invention provides a technical solution, a prefabricated box-type substation for power supply, including a substation body 1, a transformer component 2 symmetrically arranged inside the substation body 1, a sealed box door 3 symmetrically hinged on the front of the substation body 1, and a bottom support base 4 provided at the bottom of the substation body 1. The substation body 1 is equipped with an internal three-dimensional circulating heat conduction mechanism 5. The internal three-dimensional circulating heat conduction mechanism 5 is used to adjust the temperature inside the substation in real time, and to seal the inside of the substation body 1 according to the external environment and the temperature inside the substation, so that the substation can adapt to different working environments. The internal three-dimensional circulating heat conduction mechanism 5 includes an oil storage outer tank 501, a cooling circulation pump 502, a heat exchange inner tank 503, a liquid guiding bend 504, a liquid guiding flat box 505, a separation bend 506, a rectangular guide square tube 507, a liquid guiding inner tube 508, a heat exchange vertical plate 509, a return bottom tube 510, a liquid injection top tube 511, a sealing round cover 512, a central fixing frame 513, a side protective cover 514, an air guide mounting cover 515, a circulating cooling fan 516, a rectangular air guide box 517, an air guide bend 518, an air guide heat exchange flat box 519, an exhaust rectangular box 520, and a protective fine mesh 521. 522. Water guiding inclined box; 523. Protective inclined net; 524. Drainage rectangular tube; 525. Lifting rectangular sliding plate; 526. Water guiding cotton block; 527. Supporting liquid bladder; 528. Liquid guiding thin tube; 529. Fixed liquid guiding box; 530. Telescopic guide box; 531. Central heat exchange drive box; 532. Thermal expansion bladder; 533. Drive lifting block; 534. Drive suspension pipe; 535. Drive pressure block; 536. Drive rectangular side box; 537. Pressure regulating liquid bladder; 538. Buffer side box; 539. Sealing thin tube; 540. Buffer telescopic bladder; 541. Buffer counterweight slider; 542. Limiting connection frame; and 543. Sealing liquid bladder. Both sides of the substation body 1 are equipped with oil storage tanks 501 at the bottom. A cooling circulation pump 502 is embedded in the top center of the oil storage tank 501. The cooling circulation pump 502 is powered by an external power source. The top of the cooling circulation pump 502 is fixedly connected to the heat exchange inner tank 503 through pipes at the two corners inside the substation body 1. A liquid guiding bend 504 is fixedly connected to the top of the heat exchange inner tank 503. A liquid guiding flat box 505 is fixedly connected to the end of the liquid guiding bend 504 at the top of the strain power plant main body 1. A separation bend 506 is fixedly connected to the middle of the inner side of the liquid guiding flat box 505. A rectangular guide tube 507 is fixedly connected to the end of the separation bend 506 at the bottom of the liquid guiding flat box 505. Liquid guiding inner tubes 508 are fixedly connected to the four corners of the bottom surface of the rectangular guide tube 507. The ends of the liquid guiding inner tubes 508 are... A heat exchange vertical plate 509 is fixedly connected to the middle of the inner side of the main body 1 of the substation. The oil storage tank 501 is filled with insulating heat-conducting oil. The oil storage tank 501 is interconnected with the liquid guiding box 505 and the heat exchange vertical plate 509. The side of the heat exchange vertical plate 509 is flush with the inner wall of the main body 1 of the substation. Air inlets are symmetrically arranged at the top of both ends of the main body 1 of the substation. A temperature sensor is installed inside the oil storage tank 501, and the signal output terminal of the temperature sensor is connected to an external controller. A return pipe 510 is fixedly connected to the two corners of the bottom surface on both sides of the heat exchange vertical plate 509, and the end of the return pipe 510 is connected to the bottom of the side of the oil storage outer box 501. A liquid injection top tube 511 is fixedly connected to the middle of both ends of the top surface of the rectangular guide tube 507. A sealing round cap 512 is installed at the middle of the top of the liquid injection top tube 511 by thread. A central fixing frame 513 is fixedly connected at the top center of the substation body 1, corresponding to the outer position of the liquid injection jacking pipe 511. Side protective covers 514 are fixedly connected to both sides of the central fixing frame 513. A guide hood 515 is fixedly connected to the bottom inner side of the central fixed frame 513. A circulating cooling fan 516 is installed at the bottom inner side of the guide hood 515. The circulating cooling fan 516 is powered by an external power source. A rectangular air guide box 517 is fixedly connected to both ends of the top surface of the guide hood 515. A guide bend 518 is fixedly connected to both ends of the bottom surface of the rectangular air guide box 517. A guide heat exchange box 519 is fixedly connected to the top position of the liquid guide flat box 505 at the end of the guide bend 518. An exhaust rectangular box 520 is fixedly connected to the bottom of the exhaust rectangular box 520. A protective fine mesh 521 is fixedly connected to the bottom inner side of the exhaust rectangular box 520. The outer side of the liquid guide flat box 505 is tightly fitted with the inner wall of the side protective cover 514. An auxiliary guide groove is provided on the side of the liquid guide flat box 505. The top surface of the liquid guide flat box 505 is tightly fitted with the bottom surface of the guide heat exchange flat box 519. Both ends of the central fixed frame 513 are embedded with water guide inclined boxes 522. The top of the inner side of the water guide inclined box 522 is embedded with a protective inclined net 523. The bottom of the water guide inclined box 522 is fixedly connected with a drainage rectangular tube 524. The top of the inner side of the drainage rectangular tube 524 is slidably connected with a lifting rectangular sliding plate 525. The top of the lifting rectangular sliding plate 525 is fixedly connected with a water guide cotton block 526 at the position inside the drainage rectangular tube 524. The bottom of the lifting rectangular sliding plate 525 is bonded with a support liquid bladder 527 at the position inside the drainage rectangular tube 524. A liquid guiding tube 528 is fixedly connected to the bottom center of the support liquid bladder 527 at the position inside the strain gauge power station body 1. A fixed liquid guiding box 529 is fixedly connected to the end of the liquid guiding tube 528 at the top position inside the strain gauge power station body 1. A telescopic guide box 530 is slidably engaged at the bottom inside the fixed liquid guiding box 529. The top surface of the protective inclined net 523 is flush with the top inclined surface of the central fixed frame 513. A drain rectangular tube 524 has a drain rectangular groove through the middle of its side. A reset support spring is provided in the middle inside the support liquid bladder 527. The cavities of the support liquid bladder 527 and the fixed liquid guiding box 529 are filled with hydraulic oil. The outer top of the telescopic guide box 530 is tightly slidably attached to the inner wall of the fixed liquid guiding box 529. A central heat exchange drive box 531 is provided at the bottom of both ends of the inner side of the main body 1 of the strain gauge power station on the outside of the telescopic guide box 530. A thermal expansion bladder 532 is provided at the bottom of the inner side of the central heat exchange drive box 531. A drive lifting block 533 is attached to the top of the thermal expansion bladder 532 at the position corresponding to the inside of the central heat exchange drive box 531. A drive suspension pipe 534 is fixedly connected to the middle of one side of the drive lifting block 533. A drive pressure block 535 is fixedly connected to the end of the drive suspension pipe 534. A driving rectangular side box 536 is provided at one corner inside the main body 1 of the strain gauge power station on the outside of the driving pressure block 535. A pressure regulating liquid bladder 537 is provided at the bottom inside the driving rectangular side box 536. The bottom of the telescopic guide box 530 passes through the top of the middle heat exchange driving box 531, and the bottom surface of the telescopic guide box 530 is in close contact with the top surface of the driving lifting block 533. The thermal expansion bladder 532 is filled with mineral thermal oil, and the top surface of the pressure regulating liquid bladder 537 is in close contact with the bottom surface of the driving pressure block 535. Inside the main body 1 of the substation, a buffer side box 538 is provided on the other side of the heat exchange drive box 531 in the middle. A sealing thin tube 539 is fixedly connected to the bottom middle of the pressure regulating liquid bladder 537. A buffer expansion bladder 540 is fixedly connected to the side of the sealing thin tube 539 corresponding to the position inside the buffer side box 538 through a liquid guide branch pipe. A buffer counterweight slider 541 is attached to the top of the buffer expansion bladder 541. A limiting connection frame 542 is fixedly installed on the front of the substation body 1, corresponding to the side of the sealed enclosure door 3. A sealing liquid bladder 543 is fixedly connected to the end of the sealing tube 539, corresponding to the inner side of the limiting connection frame 542. The pressure regulating liquid bladder 537, the buffer expansion bladder 540, and the inner cavity of the sealing liquid bladder 543 are interconnected. The outer side of the sealing liquid bladder 543 is tightly fitted with the limiting connection frame 542 and the sealed enclosure door 3. Through the cooperation of the various components inside the internal three-dimensional circulating heat conduction mechanism 5, the overall heat dissipation regulation process of the box-type substation is optimized. Through the oil storage outer tank 501 and the various components connected to it, the heat transfer oil inside the box-type substation is driven to circulate back and forth inside and outside the tank, thereby making full use of the temperature difference between the surrounding environment and the inside of the box-type substation, effectively improving the heat dissipation of the box-type substation. By utilizing the passive heat dissipation efficiency during the process and through the mutual cooperation in the gas-liquid synchronous circulation process, the overall active heat dissipation efficiency of the prefabricated substation is effectively improved. At the same time, by taking advantage of the fact that the specific heat capacity of the heat transfer oil is greater than that of the substation's main body 1 enclosure material, the circulation flow rate of the heat transfer oil can be adjusted to enable the prefabricated substation to dissipate heat rapidly during the cooling process. At the same time, the heat absorbed by the heat transfer oil can also be used to insulate the interior of the prefabricated substation in a low-temperature environment, preventing the rapid temperature drop of the internal components of the prefabricated substation from causing brittle damage. This effectively prevents the performance degradation of the substation components 2 due to heat accumulation during the use of the prefabricated substation, and also prevents rapid cooling from causing brittle damage to the internal components of the prefabricated substation, thereby effectively improving the overall environmental adaptability of the prefabricated substation. Meanwhile, through the cooperation between the water guide inclined box 522 and the various components connected to it, the unique environmental characteristics of rainy weather are fully utilized. By changing the internal pressure of the thermal expansion bladder 532, the pressure regulating bladder 537, and the buffer expansion bladder 540, the sealing bladder 543 is pressurized, thereby making the seal between the substation body 1 and the sealing box door 3 tighter. At the same time, by utilizing the heat conduction characteristics of the hydraulic oil inside the sealing bladder 543, the heat inside the substation body 1 is actively guided to the side gap of the sealing box door 3, and the heat inside the sealing bladder 543 is used to evaporate and discharge the small amount of rainwater that has seeped into the substation body 1, further improving the overall sealing performance of the box-type substation. This ensures that the box-type substation can maintain internal dryness even when used in rainy weather and humid environments, further improving the overall environmental adaptability of the box-type substation. The main body 1 of the substation is equipped with an external auxiliary detection and protection mechanism 6. The external auxiliary detection and protection mechanism 6 is used to detect the operating status of the transformer box and the surrounding environment during operation, so as to realize the monitoring of the transformer box. The external auxiliary detection and protection mechanism 6 includes a monitoring camera 601, a protective inclined plate 602, a vibration sensor 603, a rectangular mounting frame 604, a central rectangular mounting block 605, a mounting rectangular box 606, a telescopic locking rod 607, an arc mounting block 608, a circular mounting box 609, a central guide shaft 610, a swing balance bar 611, a level sensor 612, a mounting guide groove 613, a balance slider 614, and a locking bolt 615; The external auxiliary detection and protection mechanism 6 realizes remote monitoring and fault early warning through the communication module. It has the advantages of compact structure, convenient installation, small footprint and high power supply stability. It can effectively improve the operating efficiency of power supply system and is suitable for urban distribution network, industrial park and new energy power supply scenarios.

[0021] Monitoring cameras 601 are connected to the bottom corners of the air guide cover 515 via mounting brackets. Protective inclined plates 602 are fixedly connected to the top positions of the oil storage tank 501 on both sides of the substation main body 1. Vibration sensors 603 are embedded in the two bottom corners of the protective inclined plates 602. The monitoring cameras 601 and vibration sensors 603 are connected to the remote terminal via wireless transmission equipment. The vertical projection area of ​​the protective inclined plates 602 is larger than the area of ​​the top of the oil storage tank 501. A rectangular mounting frame 604 is fixedly connected to the middle of the inner side of the sealed box door 3. A central rectangular mounting block 605 is fixedly installed in the middle of the inner side of the rectangular mounting frame 604. A rectangular mounting box 606 is embedded in the top and bottom surfaces of the central rectangular mounting block 605. A telescopic locking rod 607 is embedded in the end of the rectangular mounting box 606. A circular mounting block 608 is fixedly connected to the middle of the top and bottom surfaces of the central rectangular mounting block 605. A circular mounting box 609 is embedded in the side end of the circular mounting block 608. A central guide shaft 610 is fixedly connected to the middle of one side of the circular mounting box 609. A swing balance bar 611 is slidably sleeved on the outside of the central guide shaft 610. A horizontal sensor 612 is sleeved at the middle of both ends of the swing balance bar 611. After the telescopic locking rod 607 is extended, it fits tightly against the top and bottom surfaces of the inner cavity of the substation body 1. The end of the swing balance bar 611 slides tightly against the inner wall of the circular mounting box 609. The swing balance bar 611 has a mounting guide groove 613 through the middle of both ends. The balance slider 614 is slidably engaged inside the mounting guide groove 613. A locking bolt 615 is threadedly installed at the middle of one end of the balance slider 614. The signal output end of the horizontal sensor 612 is connected to the wireless transmission equipment. The side of the balance slider 614 is tightly slidably fitted with the inner wall of the mounting guide groove 613. Through the cooperation between the internal components of the external auxiliary detection and protection mechanism 6, the detection process during the use of the box-type substation is optimized. Through the cooperation between multiple sets of monitoring cameras 601 and vibration sensors 603, continuous visual and vibration detection is performed on the box-type substation during use. This ensures that changes in the shape of the box and the surrounding environment of the box can be detected in time. Through the cooperation between the rectangular mounting frame 604 and its internal components, the overall sealing strength of the box-type substation is strengthened, further improving the stability and safety of the box-type substation during use. Meanwhile, through the cooperation between the components inside the multiple sets of circular mounting boxes 609, the initial position of the swing balance bar 611 is adjusted by adjusting the position of the balance slider 614. This allows the horizontal sensor 612 to monitor the status of the main body 1 of the substation when abnormal shaking occurs, further expanding the detection range during the use of the substation and effectively improving the safety and ease of maintenance of the substation.

[0022] Working principle and usage process of the present invention: In the actual application of the present invention, when a box-type substation is required, the main body 1 of the substation needs to be installed in a suitable position through the bottom support 4, and the power conversion components 2 and the corresponding cables are connected to each other to ensure that the internal components of the box-type substation can work normally. When circulating heat transfer is required for the components inside the substation main body 1, the heat transfer oil inside the outer oil storage tank 501 is introduced into the inner heat exchange tank 503 by the cooling circulation pump 502. During the flow of the heat transfer oil through the inner heat exchange tank 503, heat is absorbed from the corners and edges of the substation main body 1's interior. Then, the heat transfer oil inside the inner heat exchange tank 503 is introduced into the liquid guide flat box 505 through the liquid guide bend 504. The flat structure of the liquid guide flat box 505 effectively improves the heat transfer oil's heat transfer efficiency. The heat exchange area of ​​the external environment is used to achieve passive heat exchange during the circulation of heat transfer oil. Then, the heat transfer oil inside the liquid guide flat box 505 is introduced into the rectangular guide square tube 507 through the separation bend 506, and the heat transfer oil is introduced into the heat exchange vertical plate 509 through the liquid guide inner tube 508. The heat transfer oil flows through the heat exchange vertical plate 509 to continue to absorb heat to the substation body 1 for a second time. Finally, the heat transfer oil is guided back to the oil storage outer tank 501 through the return bottom pipe 510 to realize the circulation of heat transfer oil inside the substation body 1. While the heat transfer oil circulates inside the oil storage tank 501, the circulating cooling fan 516 inside the air guide mounting cover 515 draws air from inside the substation body 1. Then, the rectangular air guide box 517 guides the airflow into the air guide bend 518, and the hot airflow is guided into the air guide heat exchange flat box 519 through the air guide bend 518. Finally, it is discharged through the bottom air outlet of the exhaust rectangular box 520. During the exhaust process of the exhaust rectangular box 520, the bottom is protected by the protective fine mesh 521. The continuous flow of air carries away the heat inside the substation body 1. At the same time, the airflow exchanges heat with the liquid guide flat box 505 as it flows through the air guide heat exchange flat box 519, so as to carry away the heat in the heat transfer oil flowing through the liquid guide flat box 505, thereby reducing the overall heat of the heat transfer oil inside the substation body 1. Meanwhile, when it is necessary to protect the box-type substation during rainy weather, the overall passive heat exchange efficiency of the box-type substation is significantly improved when rainwater flows through the outside of the box-type substation. In turn, the controller can actively adjust the cooling circulation pump 502 and the circulating cooling fan 516 to reduce the overall active heat dissipation efficiency of the box-type substation. The rainwater at the top of the central fixed frame 513 is guided by the protective inclined net 523, and then collected by the water guide inclined box 522. The rainwater is then introduced into the drainage rectangular tube 524. The rainwater is first absorbed by the water guide cotton block 526 at the top of the lifting rectangular sliding plate 525. As more rainwater is absorbed inside the water guide cotton block 526, its weight will continue to rise. The weight of the water guide cotton block 526 and the rainwater absorbed inside it will then squeeze the supporting liquid bladder 527. At the same time, as the lifting rectangular sliding plate 525 continues to move down, the rainwater that continues to accumulate inside the drainage rectangular tube 524 can be discharged through the drainage rectangular groove on its side. After the support liquid bladder 527 is compressed, the hydraulic oil inside the support liquid bladder 527 will be introduced into the fixed liquid guide box 529 through the liquid guide tube 528. After the pressure inside the fixed liquid guide box 529 rises, it will drive the telescopic guide box 530 to extend downward. Then, the movement of the telescopic guide box 530 will drive the drive lifting block 533 to slide down along the inner cavity of the central heat exchange drive box 531. During the downward movement of the drive lifting block 533, the thermal expansion bladder 532 will be compressed and stored, so that the thermal expansion bladder 532 can be reset after the pressure on the top of the drive lifting block 533 is removed. By driving the lifting block 533 to move, the lifting block 533 drives the driving pressure block 535 to move down synchronously through the driving suspension pipe 534. During the downward movement of the driving pressure block 535, the pressure regulating liquid bladder 537 is squeezed, so that the hydraulic oil inside the pressure regulating liquid bladder 537 enters the buffer expansion bladder 540 and the sealing liquid bladder 543 through the sealing thin tube 539 respectively. The expansion of the buffer expansion bladder 540 can synchronously drive the buffer counterweight slider 541 to rise along the buffer side box 538 to store energy. At the same time, the sealing liquid bladder 543 will seal the joint between the substation body 1 and the sealing box door 3 as its internal pressure rises, so as to improve the overall sealing performance of the box-type substation. Simultaneously, the pressure regulating liquid bladder 537 and the buffer expansion bladder 540 can absorb the heat inside the substation body 1 at the same time, and the hydraulic oil inside the sealing thin tube 539 can guide the heat into the sealing liquid bladder 543, so as to provide auxiliary heating at the joint between the substation body 1 and the sealing box door 3 through the sealing liquid bladder 543, thereby evaporating the small amount of water that has seeped into the substation body 1, and further improving the overall waterproof performance of the substation body 1. When real-time monitoring of the prefabricated substation is required during use, the monitoring camera 601 monitors the outside of the substation body 1 from multiple angles in real time to prevent abnormalities in the external environment and surrounding environment of the substation body 1 from being detected in time. The top of the oil storage tank 501 is protected by the protective inclined plate 602 to prevent rainwater dripping from the side wall of the drain rectangular pipe 524 from splashing onto the top area of ​​the oil storage tank 501. When the substation body 1 vibrates as a whole, the thin sheet structure of the protective inclined plate 602 amplifies and transmits the vibration of the substation body 1 to achieve real-time monitoring of the vibration status of the substation body 1 during operation. When it is necessary to protect the main body 1 of the substation and the sealing box door 3, the components are installed into the inside of the sealing box door 3 through the rectangular mounting frame 604, and then the end of the mounting rectangular box 606 is fixed through the central rectangular mounting block 605. The extension of the telescopic locking rod 607 is used to engage with the top and bottom surfaces of the main body 1 of the substation, thereby effectively strengthening the sealing strength between the sealing box door 3 and the main body 1 of the substation. The circular mounting box 609 and its internal components are installed into the rectangular mounting frame 604 using the arc mounting block 608. After loosening the locking bolt 615, the balance slider 614 is moved along the mounting guide groove 613 to keep the weight of the two ends of the central guide shaft 610 balanced. This ensures that the swing balance bar 611 and the horizontal sensor 612 can remain in a balanced position during normal use. When the substation body 1 is subjected to external impact and causes abnormal shaking, the horizontal sensor 612 indirectly detects the shaking amplitude of the substation body 1, thereby realizing multi-angle monitoring of the entire box-type substation.

[0023] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A prefabricated box-type substation for power supply, comprising a substation body (1), characterized in that: The main body (1) of the substation is symmetrically equipped with transformer components (2), and the main body (1) of the substation is symmetrically hinged with sealed cabinet doors (3) on the front. The main body (1) of the substation is equipped with a bottom support base (4). The substation body (1) is equipped with an internal three-dimensional circulating heat conduction mechanism (5). The internal three-dimensional circulating heat conduction mechanism (5) is used to adjust the temperature inside the substation in real time and seal the inside of the substation body (1) according to the external environment and the temperature inside the substation so that the substation can adapt to different working environments. The internal three-dimensional circulating heat conduction mechanism (5) includes an oil storage outer box (501); The main body of the substation (1) is equipped with an oil storage tank (501) at the bottom of both sides. A cooling circulation pump (502) is installed at the top of the oil storage tank (501), and a heat exchange inner tank (503) is connected to the top of the cooling circulation pump (502). The top of the heat exchange inner box (503) is connected to a liquid guide bend (504), the end of the liquid guide bend (504) is connected to a liquid guide flat box (505), the middle of the inner side of the liquid guide flat box (505) is connected to a separation bend (506), the end of the separation bend (506) is connected to a rectangular guide tube (507), the bottom four corners of the rectangular guide tube (507) are all fixedly connected to a liquid guide inner tube (508), and the end of the liquid guide inner tube (508) is connected to a heat exchange vertical plate (509).

2. A prefabricated box-type substation for power supply according to claim 1, characterized in that, The heat exchange vertical plate (509) is fixedly connected to two corners of the bottom surface on both sides of the heat exchange vertical plate (509), and the end of the heat exchange vertical plate (510) is connected to the bottom of the side of the oil storage tank (501); The top surface of the rectangular guide tube (507) is fixedly connected to the middle of both ends of the liquid injection tube (511), and the middle of the top of the liquid injection tube (511) is fitted with a sealing round cap (512) by thread. The oil storage tank (501) is filled with insulating heat-conducting oil. The oil storage tank (501) is interconnected with the liquid guiding flat box (505) and the heat exchange vertical plate (509). The side of the heat exchange vertical plate (509) is flush with the inner wall of the substation body (1). Air inlets are symmetrically arranged at the top of both ends of the substation body (1). A temperature sensor is installed inside the oil storage tank (501), and the signal output terminal of the temperature sensor is connected to an external controller. The cooling circulation pump (502) is powered by an external power source.

3. A prefabricated box-type substation for power supply according to claim 2, characterized in that, A central fixing frame (513) is fixedly connected at the top center of the substation body (1) at the position corresponding to the outer side of the liquid injection jacking pipe (511), and side protective covers (514) are fixedly connected on both sides of the central fixing frame (513). A wind guide mounting cover (515) is fixedly connected to the bottom inner side of the central fixed frame (513). A circulating cooling fan (516) is provided at the bottom inner side of the wind guide mounting cover (515). The circulating cooling fan (516) is powered by an external power source. A rectangular air guide box (517) is fixedly connected to both ends of the top surface of the wind guide mounting cover (515). A wind guide bend (518) is fixedly connected to both ends of the bottom surface of the rectangular air guide box (517). A wind guide heat exchange flat box (519) is fixedly connected to the top position of the liquid guide flat box (505) at the end of the wind guide bend (518). An exhaust rectangular box (520) is fixedly connected to the bottom of the exhaust rectangular box (520). A protective fine mesh (521) is fixedly connected to the bottom inner side of the exhaust rectangular box (520). The outer side of the liquid guiding flat box (505) is tightly fitted with the inner wall of the side protective cover (514), and the side of the liquid guiding flat box (505) is provided with an auxiliary guide groove. The top surface of the liquid guiding flat box (505) is tightly fitted with the bottom surface of the air guiding heat exchange flat box (519).

4. A prefabricated box-type substation for power supply according to claim 3, characterized in that, Both ends of the central fixed frame (513) are embedded with water guide inclined boxes (522). A protective inclined net (523) is embedded in the top of the inner side of the water guide inclined box (522). A drainage rectangular tube (524) is fixedly connected to the bottom of the water guide inclined box (522). A lifting rectangular sliding plate (525) is slidably snapped into the top of the inner side of the drainage rectangular tube (524). A water guide cotton block (526) is fixedly connected to the top of the lifting rectangular sliding plate (525) at the position inside the drainage rectangular tube (524). A support liquid bag (527) is glued to the bottom of the lifting rectangular sliding plate (525) at the position inside the drainage rectangular tube (524). A liquid guiding tube (528) is fixedly connected to the bottom center of the support liquid bladder (527) at the internal position of the strain power station body (1). A fixed liquid guiding box (529) is fixedly connected to the end of the liquid guiding tube (528) at the top position of the inner side of the strain power station body (1). A telescopic guide box (530) is slidably snapped into the bottom of the inner side of the fixed liquid guiding box (529). The top surface of the protective inclined net (523) is flush with the top inclined surface of the central fixed frame (513). A drainage rectangular groove is provided through the middle of the side of the drainage rectangular tube (524). A reset support spring is provided in the middle of the inner side of the support liquid bladder (527). The inner cavities of the support liquid bladder (527) and the fixed liquid guide box (529) are filled with hydraulic oil. The outer side of the top of the telescopic guide box (530) is tightly slidably attached to the inner wall of the fixed liquid guide box (529).

5. A prefabricated box-type substation for power supply according to claim 4, characterized in that, The telescopic guide box (530) is provided with a middle heat exchange drive box (531) at the bottom of both ends of the inner side of the strain gauge power station body (1) on the outside. A thermal expansion bladder (532) is provided at the bottom of the inner side of the middle heat exchange drive box (531). A drive lifting block (533) is attached to the top of the thermal expansion bladder (532) at the position inside the middle heat exchange drive box (531). A drive suspension pipe (534) is fixedly connected to the middle of one side of the drive lifting block (533). A drive pressure block (535) is fixedly connected to the end of the drive suspension pipe (534). The drive block (535) is equipped with a drive rectangular side box (536) at one corner inside the strain power station body (1) on the outside of the drive block (535), and a pressure regulating liquid bladder (537) is provided at the bottom inside the drive rectangular side box (536). The bottom of the telescopic guide box (530) extends through the top of the middle heat exchange drive box (531), and the bottom surface of the telescopic guide box (530) is in close contact with the top surface of the drive lifting block (533). The thermal expansion bladder (532) is filled with mineral thermal oil, and the top surface of the pressure regulating liquid bladder (537) is in close contact with the bottom surface of the drive pressure block (535).

6. A prefabricated box-type substation for power supply according to claim 5, characterized in that, Inside the main body (1) of the substation, a buffer side box (538) is provided on the other side of the heat exchange drive box (531) in the middle. A sealing tube (539) is fixedly connected to the bottom center of the pressure regulating liquid bladder (537). A buffer expansion bladder (540) is fixedly connected to the side of the sealing tube (539) in the buffer side box (538) through a liquid guide branch pipe. A buffer counterweight slider (541) is attached to the top of the buffer expansion bladder (540). A limiting connection frame (542) is fixedly installed on the front of the main body (1) corresponding to the side of the sealing box door (3), and a sealing liquid bladder (543) is fixedly connected to the end of the sealing tube (539) corresponding to the inner side of the limiting connection frame (542). The inner cavities of the pressure regulating bladder (537), the buffer telescopic bladder (540), and the sealing bladder (543) are interconnected, and the outer side of the sealing bladder (543) is tightly fitted with the limiting connecting frame (542) and the sealing box door (3).

7. A prefabricated box-type substation for power supply according to claim 3, characterized in that, The external auxiliary detection and protection mechanism (6) is provided outside the main body (1) of the substation. The external auxiliary detection and protection mechanism (6) is used to detect the operating status of the transformer box and the surrounding environment during the operation process, so as to realize the monitoring of the transformer box. The external auxiliary detection and protection mechanism (6) includes a surveillance camera (601); The bottom corners of the air guide mounting cover (515) are all connected to monitoring cameras (601) by mounting brackets. The two sides of the substation body (1) are fixedly connected to the top of the oil storage tank (501). Vibration sensors (603) are embedded in the two corners of the bottom surface of the protective inclined plate (602). A rectangular mounting frame (604) is fixedly connected to the middle of the inner side of the sealed box door (3). A central rectangular mounting block (605) is fixedly installed in the middle of the inner side of the rectangular mounting frame (604). A mounting rectangular box (606) is embedded in the top and bottom surfaces of the central rectangular mounting block (605). A telescopic locking rod (607) is embedded in the end of the mounting rectangular box (606).

8. A prefabricated box-type substation for power supply according to claim 7, characterized in that, The monitoring camera (601) and vibration sensor (603) are both connected to a remote terminal via a wireless transmission device. The vertical projection area of ​​the protective inclined plate (602) is larger than the area of ​​the top of the oil storage tank (501).

9. A prefabricated box-type substation for power supply according to claim 7, characterized in that, The central rectangular mounting block (605) has a circular arc mounting block (608) fixedly connected to the middle of its top and bottom surfaces. A circular mounting box (609) is embedded in the side end of the circular arc mounting block (608). A central guide shaft (610) is fixedly connected to the middle of one side of the circular mounting box (609). A swing balance rod (611) is slidably sleeved on the outside of the central guide shaft (610). A horizontal sensor (612) is sleeved at the middle of both ends of the swing balance rod (611). After the telescopic locking rod (607) is extended, it fits tightly against the top and bottom surfaces of the inner cavity of the substation body (1), and the end of the swing balance rod (611) slides tightly against the inner wall of the circular mounting box (609).

10. A prefabricated box-type substation for power supply according to claim 9, characterized in that, The swing balance bar (611) has a mounting guide groove (613) through the middle of both ends. The mounting guide groove (613) has a balance slider (614) slidably engaged inside. A locking bolt (615) is threadedly installed at the middle of one end of the balance slider (614). The signal output end of the horizontal sensor (612) is connected to the wireless transmission device, and the side of the balance slider (614) is in close sliding contact with the inner wall of the mounting guide groove (613).

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