High-efficiency outdoor power supply cabinet

Abstract

The utility model discloses a high-efficiency outdoor power supply cabinet. The power supply cabinet comprises a first cabinet body and a voltage stabilizing device arranged in the first cabinet body; the voltage stabilizing device comprises a second cabinet body, and a monitoring module, a power module, a bypass module and a maintenance module which are integrated in the second cabinet body; the output end of the power module is connected with a load through a static switch; the output end of the bypass module is connected with a load through a static switch; the monitoring module is electrically connected with the power module, the bypass module and the static switch, and is used for controlling the static switch to be switched to the bypass module to output voltage to the load when detecting that the power module is abnormal; the input end of the maintenance module is connected with a power grid, and the output end is connected with a load, so that the power grid outputs voltage to the load through the maintenance module when the power module and the bypass module are maintained. According to the scheme, the reliability and flexibility of power supply are improved through the multi-loop design, diversified requirements in different scenes are met, and more comprehensive and reliable power guarantee is provided for key loads.

Description

Technical Field

[0001] This application relates to the field of power technology, and in particular to a high-efficiency outdoor power supply cabinet. Background Technology

[0002] In modern power systems, a stable and reliable power supply is fundamental to ensuring the normal operation of various equipment and the continuity of critical business operations. With continuous technological advancements and rapid societal development, the types of power loads are becoming increasingly diverse, and the requirements for power quality are becoming ever more stringent. From precision manufacturing equipment in industrial production to high-performance servers in data centers, from life support systems in the medical field to core network equipment in the communications industry, these critical loads all have extremely high requirements for voltage stability, continuity, and quality. Fluctuations, interruptions, or quality issues in the power supply can lead to serious consequences such as equipment damage, data loss, and business interruption, causing significant economic losses and adverse effects on businesses and society.

[0003] With the development of power electronics technology, uninterruptible power supplies (UPS) have gradually become crucial equipment for ensuring a stable power supply. A UPS system typically consists of a rectifier, inverter, battery pack, and static switch, providing high-quality AC power to the load when the power grid is normal and quickly switching to battery power during grid failures to ensure continuous operation of the load. However, traditional UPS systems also have some limitations in practical applications. For example, when the UPS system itself fails, the load faces the risk of power outage; moreover, ensuring continuous power supply to the load when the UPS system needs repair or maintenance is a problem that urgently needs to be solved. Utility Model Content

[0004] This application provides a high-efficiency outdoor power supply cabinet, which aims to solve the problem of continuous power supply to the load in the prior art.

[0005] To achieve the above objectives, this application proposes a high-efficiency outdoor power supply cabinet. The high-efficiency outdoor power supply cabinet includes:

[0006] First cabinet;

[0007] A voltage regulator is installed in the first cabinet. The voltage regulator includes a second cabinet and a monitoring module, a power module, a bypass module, and a maintenance module installed in the second cabinet. The input terminal of the power module is connected to the power grid, and the output terminal is connected to the load via a static switch. The bypass module is connected in parallel with the power module, and its output terminal is connected to the load via the static switch. The monitoring module is electrically connected to the power module, the bypass module, and the static switch, and is used to control the static switch to switch to the bypass module to output voltage to the load when an abnormality is detected in the power module. The input terminal of the maintenance module is connected to the power grid, and its output terminal is connected to the load, and is used to allow the power grid to output voltage to the load via the maintenance module when maintenance is required on the power module and the bypass module.

[0008] In some embodiments, the second cabinet is provided with an input switch, an output switch, a bypass switch, and a maintenance switch; the input switch is used to control the voltage supply from the power grid to the power module and the bypass module, the output switch is used to control the voltage supply from the power module and the bypass module to the load, the bypass switch is used to control the voltage supply from the bypass module to the static switch, and the maintenance switch is used to control the voltage supply from the maintenance module to the load.

[0009] In some embodiments, the second cabinet is provided with a placement rack, the placement rack having two rows of placement holes in the vertical direction, and the power modules being provided in multiple ways, with each power module corresponding to one of the placement holes and the power modules being connected in parallel.

[0010] Each of the power modules includes a rectifier and an inverter connected in series.

[0011] In some embodiments, the monitoring module includes a control unit and a sampling unit and a display unit electrically connected to the control unit. The sampling unit collects the operating data of the power module and the bypass module in real time. The control unit intelligently adjusts the power module and bypass module according to the operating data and sends the operating data to the display unit for display.

[0012] In some embodiments, an output isolation device is further included, which is arranged side by side with the voltage regulator in the first cabinet, and the output isolation device is electrically connected between the voltage regulator and the load to cut off the direct electrical connection between the voltage regulator and the load.

[0013] In some embodiments, the output isolation device is connected in a delta configuration to the voltage regulator and in a star configuration to the load.

[0014] In some embodiments, the first cabinet includes a main cabinet and a canopy formed on the main cabinet, the edge of the canopy extending relative to the main cabinet, and the top surface of the canopy being designed to prevent water accumulation.

[0015] In some embodiments, the first cabinet is a rectangular cabinet with a double door on the side corresponding to its long side, and the double door occupies the entire cabinet wall corresponding to the long side.

[0016] In some embodiments, a cooling and heat dissipation component is further included, which includes an air conditioning component and an exhaust component. The air conditioning component is disposed on a double door on one side of the first cabinet and is used to supply cold air to the interior of the first cabinet. The exhaust component is disposed opposite to a double door on the other side of the first cabinet and is used to exhaust hot air from the cabinet.

[0017] In some embodiments, the ventilation assembly includes a plurality of ventilation windows disposed on the double door and a ventilation fan disposed corresponding to the ventilation windows;

[0018] The exhaust fan is equipped with a filter cover, and the exhaust window is a louver.

[0019] This application proposes a high-efficiency outdoor power supply cabinet. The cabinet includes a first cabinet and a voltage regulator housed within it. The voltage regulator, housed in a second cabinet, integrates a monitoring module, a power module, a bypass module, and a maintenance module, thus creating multiple connection loops between the power grid and the load. The power module serves as the primary power supply path, the bypass module as a backup path, and the monitoring module monitors the power module's status in real time, automatically switching to the bypass module in case of an anomaly. The maintenance module provides a third path for direct power supply from the grid to the load during maintenance. This multi-loop design not only improves the reliability and flexibility of power supply but also meets diverse needs in different scenarios, providing more comprehensive and reliable power protection for critical loads. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0021] Figure 1 This is a top view of an embodiment of the high-efficiency outdoor power cabinet after the roof has been removed;

[0022] Figure 2This is a schematic diagram of the left side of the high-efficiency outdoor power cabinet after the double doors are closed, according to an embodiment of this application.

[0023] Figure 3 This is a schematic diagram of the structure of a voltage stabilizing device according to an embodiment of this application. Detailed Implementation

[0024] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0025] It should be noted that, unless otherwise stated or limited, all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0026] It should also be noted that, unless otherwise stated or limited, when an element is referred to as "fixed to" or "set on" another element, it may be directly on the other element or there may be an intervening element present. When an element is referred to as "connected to" another element, it may be directly connected to the other element or there may be an intervening element present.

[0027] Furthermore, unless otherwise stated or limited, the descriptions involving "first," "second," etc., in this application are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0028] See Figure 1 and Figure 3As shown, this application proposes a high-efficiency outdoor power supply cabinet 100. The high-efficiency outdoor power supply cabinet 100 includes a first cabinet 10 and a voltage regulator 20. The voltage regulator 20 is disposed within the first cabinet 10 and includes a second cabinet 21, a monitoring module 24, a power module 22, a bypass module 23, and a maintenance module disposed within the second cabinet 21. The input terminal of the power module 22 is connected to the power grid, and its output terminal is connected to the load via a static switch. The bypass module 23 is connected in parallel with the power module 22, and its output terminal is connected to the load via a static switch. The monitoring module 24 is electrically connected to the power module 22, the bypass module 23, and the static switch, and is used to control the static switch to switch to the bypass module 23 to output voltage to the load when an abnormality is detected in the power module 22. The maintenance module has its input terminal connected to the power grid and its output terminal connected to the load, and is used to allow the power grid to output voltage to the load through the maintenance module when maintenance is required on the power module 22 and the bypass module 23.

[0029] In this technical solution, power module 22 serves as the primary power supply path, bypass module 23 as the backup path, and monitoring module 24 monitors the status of power module 22 in real time, automatically switching to bypass module 23 for power supply when power module 22 malfunctions. The maintenance module provides a third path for the grid to directly supply power to the load when power module 22 and bypass module 23 are under maintenance. This multi-circuit design not only improves the reliability and flexibility of power supply but also meets diverse needs in different scenarios, providing more comprehensive and reliable power protection for critical loads.

[0030] Furthermore, the first cabinet 10, as the overall outer shell, provides a robust protection and support structure for the internal equipment. After assembly by the manufacturer, it can be directly transported based on the first cabinet 10 without the need for additional disassembly and packaging of the internal equipment, greatly simplifying the transportation process and reducing transportation costs and difficulties.

[0031] See Figure 3 As shown, in some embodiments, the second cabinet 21 is equipped with an input switch 210, an output switch 230, a bypass switch 240, and a maintenance switch 220. The input switch 210 controls the voltage supply from the power grid to the power module 22 and the bypass module 23; the output switch 230 controls the voltage supply from the power module 22 and the bypass module 23 to the load; the bypass switch 240 controls the voltage supply from the bypass module 23 to the static switch; and the maintenance switch 220 controls the voltage supply from the maintenance module to the load. The states of each switch in different power cabinet modes are as follows:

[0032] When the power cabinet is operating normally, input switch 210, output switch 230, and bypass switch 240 are all closed. The static switch connects to power module 22, and maintenance switch 220 is open, ensuring stable operation of the main power supply path. When power module 22 fails, monitoring module 24 responds quickly, controlling the static switch to switch to bypass module 23 to ensure uninterrupted power supply to the load. When maintenance is required on power module 22 and bypass module 23, the bypass module can be manually selected for power supply via interaction with display unit 241. Then, maintenance switch 220 is closed, and the load is jointly powered by bypass module 23 and maintenance module. Finally, input switch 210, output switch 230, and bypass switch 240 are disconnected, and the power grid supplies power directly to the load through maintenance module, allowing maintenance work to be performed on the load without interrupting power supply.

[0033] Therefore, the four switches work together to ensure the stable operation of the high-efficiency outdoor power cabinet 100 under different operating conditions. By controlling the on / off state of these switches, the power cabinet can flexibly respond to various situations and provide a stable and reliable power supply to the load.

[0034] See Figure 3 As shown, in some embodiments, a placement rack is provided inside the second cabinet 21, and the placement rack forms two rows of placement holes in the vertical direction. The number of power modules 22 is set to multiple, and the multiple power modules 22 are placed one by one in the placement holes, and the multiple power modules 22 are connected in parallel; wherein, each power module 22 includes a rectifier and an inverter connected in series.

[0035] In this embodiment, the mounting rack is located inside the second cabinet 21, providing a fixed installation position for the power modules 22. This allows the power modules 22 to be neatly arranged within the cabinet, facilitating installation, maintenance, and management. Parallel connection of multiple power modules 22 increases the total power output capacity of the power cabinet. When one power module 22 fails, the others can continue to operate, improving the reliability and stability of the power cabinet.

[0036] Power module 22 adopts a rectifier-inverter series structure to form a complete AC-DC-AC conversion link. The rectifier is responsible for converting AC power into DC bus voltage, while the inverter achieves accurate DC-to-AC conversion through PWM modulation to output high-quality AC power.

[0037] In some embodiments, the monitoring module 24 includes a control unit and a sampling unit and a display unit 241 electrically connected to the control unit. The sampling unit collects the operating data of the power module 22 and the bypass module 23 in real time. The control unit intelligently adjusts the operation based on the operating data and sends the operating data to the display unit 241 for display.

[0038] In this embodiment, the sampling unit collects real-time operating data such as voltage, current, and temperature from the power module 22 and bypass module 23 to comprehensively understand the module's operating status and provide accurate data for subsequent intelligent control. The control unit receives the operating data collected by the sampling unit, analyzes and processes this data, and then adjusts the switching between the main power supply path and the backup path based on the analysis results, improving the overall performance and reliability of the power cabinet. The display unit 241 then displays the operating data processed by the control unit to the user in an intuitive and easy-to-understand manner, such as through a display screen.

[0039] See Figure 1 As shown, in some embodiments, the high-efficiency outdoor power cabinet 100 further includes an output isolation device 30, which is arranged side by side with the voltage regulator 20 in the first cabinet 10, and the output isolation device 30 is electrically connected between the voltage regulator 20 and the load to cut off the direct electrical connection between the voltage regulator 20 and the load.

[0040] In this embodiment, the output isolation device 30 serves as an electrical connection bridge between the voltage regulator 20 and the load. The voltage regulator 20 is responsible for stabilizing the input voltage, converting unstable voltage into a stable output voltage for the load. The output isolation device 30, in this process, provides protection and isolation.

[0041] When the voltage regulator 20 malfunctions, such as excessively high or low output voltage, or damage to internal components, the output isolation device 30 can quickly disconnect from the load to prevent the fault voltage from damaging the load. Simultaneously, the output isolation device 30 also protects the voltage regulator 20 from load faults, such as short circuits or overloads, preventing the fault from escalating and extending the equipment's lifespan.

[0042] In a further design, the output isolation device 30 and the voltage regulator 20 are connected in a delta configuration, which better balances the three-phase current and improves system stability. A star connection is used between the output isolation device 30 and the load, providing a stable input voltage and current. This significantly improves the power supply reliability of the industrial and commercial energy storage system.

[0043] See Figure 2 As shown, in some embodiments, the first cabinet 10 includes a main cabinet 11 and a canopy 12 opened on the main cabinet 11. The edge of the canopy 12 extends relative to the main cabinet 11, and the top surface of the canopy 12 is designed to prevent water accumulation.

[0044] In this embodiment, the first cabinet 10 mainly comprises two parts: the main cabinet 11 and the canopy 12. The canopy 12 is designed to provide shade and rain protection for the first cabinet 10. In outdoor environments, direct sunlight and rain can damage the equipment inside the cabinet. The extended edges of the canopy 12 can effectively block sunlight and rain, reducing the impact of heat and moisture on the equipment and extending its service life. Furthermore, it is understandable that water can easily accumulate on the outdoor canopy 12. If the water cannot be drained in time, it will put pressure on the canopy 12, and may even cause deformation or damage. Water-proof designs typically employ structures such as slopes or drainage channels to allow rainwater to drain quickly and prevent water accumulation.

[0045] Furthermore, the first cabinet 10 is a rectangular cabinet, with a double door 111 on its long side, occupying the entire cabinet wall corresponding to the long side. This double door 111 design provides a larger opening area for the cabinet, facilitating the installation, debugging, and maintenance of the equipment inside. Workers can easily enter the cabinet through the double door 111 to operate the equipment, without the space constraints of a single door.

[0046] See Figure 1 As shown, in some embodiments, the high-efficiency outdoor power cabinet 100 also includes a cooling and heat dissipation component, which includes an air conditioning component 13 and an exhaust component 14. The air conditioning component 13 is disposed on the double door 111 on one side of the first cabinet 10 and is used to supply cold air to the inside of the first cabinet 10. The exhaust component 14 is disposed on the double door 111 on the other side of the first cabinet 10 and is used to exhaust hot air from the cabinet.

[0047] In this embodiment, the cooling and heat dissipation components of the high-efficiency outdoor power cabinet 100 consist of an air conditioning component 13 and an exhaust component 14. These two components work together to maintain a suitable temperature environment inside the first cabinet 10. The air conditioning component 13 supplies cool air to the cabinet, lowering the internal temperature; the exhaust component 14 expels hot air generated inside the cabinet, creating air circulation and ensuring that the equipment inside operates under stable temperature conditions. The design of this cooling and heat dissipation component fully considers the heat dissipation requirements of the outdoor power cabinet in high-temperature environments, effectively preventing equipment malfunctions due to overheating and improving the reliability and stability of the power cabinet.

[0048] The air conditioning unit 13 is mounted on the double door 111 on one side of the first cabinet 10. The double door 111 provides ample installation space, facilitating the installation and maintenance of the air conditioning unit 13. Furthermore, the rational layout prevents interference between the air conditioning unit 13 and other equipment, ensuring efficient use of the cabinet space. The exhaust unit 14 is positioned opposite the double door 111 on the other side of the first cabinet 10, creating convection with the air conditioning unit 13. When the air conditioning unit 13 supplies cool air into the cabinet, the hot air inside the cabinet is exhausted outside through the exhaust unit 14 due to the pressure difference. This convection design accelerates air circulation within the cabinet and improves heat dissipation efficiency.

[0049] Furthermore, the exhaust assembly 14 includes several exhaust windows installed on the double door 111 and exhaust fans corresponding to the exhaust windows. The exhaust fans accelerate the exhaust of hot air and improve heat dissipation efficiency through active air extraction. Simultaneously, the exhaust fans are equipped with filter covers for dust and water protection. The exhaust windows are louvers; the angle of the louver blades also prevents rainwater and dust from entering, providing a certain degree of rain and dust protection, thereby further optimizing the exhaust effect and protective performance.

[0050] The above description is only a part or preferred embodiment of this application. Neither the text nor the drawings should limit the scope of protection of this application. All equivalent structural transformations made using the content of this application's specification and drawings under the overall concept of this application, or direct / indirect applications in other related technical fields, are included within the scope of protection of this application.

Claims

1. A high-efficiency outdoor power supply cabinet, characterized in that, include: First cabinet; A voltage regulator is installed in the first cabinet. The voltage regulator includes a second cabinet and a monitoring module, a power module, a bypass module, and a maintenance module installed in the second cabinet. The input terminal of the power module is connected to the power grid, and the output terminal is connected to the load via a static switch. The bypass module is connected in parallel with the power module, and its output terminal is connected to the load via the static switch. The monitoring module is electrically connected to the power module, the bypass module, and the static switch, and is used to control the static switch to switch to the bypass module to output voltage to the load when an abnormality is detected in the power module. The input terminal of the maintenance module is connected to the power grid, and its output terminal is connected to the load, and is used to allow the power grid to output voltage to the load via the maintenance module when maintenance is required on the power module and the bypass module.

2. The high-efficiency outdoor power supply cabinet according to claim 1, characterized in that, The second cabinet is equipped with an input switch, an output switch, a bypass switch, and a maintenance switch; the input switch is used to control the voltage supply from the power grid to the power module and the bypass module, the output switch is used to control the voltage supply from the power module and the bypass module to the load, the bypass switch is used to control the voltage supply from the bypass module to the static switch, and the maintenance switch is used to control the voltage supply from the maintenance module to the load.

3. The high-efficiency outdoor power supply cabinet according to claim 2, characterized in that, The second cabinet is equipped with a placement rack, which has two rows of placement holes in the vertical direction. The power modules are provided in multiple ways, and each power module is placed in a corresponding placement hole. The power modules are connected in parallel. Each of the power modules includes a rectifier and an inverter connected in series.

4. The high-efficiency outdoor power supply cabinet according to claim 1, characterized in that, The monitoring module includes a control unit and a sampling unit and a display unit electrically connected to the control unit. The sampling unit collects the operating data of the power module and the bypass module in real time. The control unit intelligently adjusts the operation based on the operating data and sends the operating data to the display unit for display.

5. The high-efficiency outdoor power supply cabinet according to claim 1, characterized in that, It also includes an output isolation device, which is arranged side by side with the voltage regulator in the first cabinet, and the output isolation device is electrically connected between the voltage regulator and the load to cut off the direct electrical connection between the voltage regulator and the load.

6. The high-efficiency outdoor power supply cabinet according to claim 5, characterized in that, The output isolation device is connected to the voltage regulator via a delta connection, and to the load via a star connection.

7. The high-efficiency outdoor power supply cabinet according to claim 1, characterized in that, The first cabinet includes a main cabinet and a canopy formed on the main cabinet. The edge of the canopy extends relative to the main cabinet, and the top surface of the canopy is designed to prevent water accumulation.

8. The high-efficiency outdoor power supply cabinet according to claim 7, characterized in that, The first cabinet is a rectangular cabinet with a double door on the side corresponding to its long side, and the double door occupies the entire cabinet wall corresponding to the long side.

9. The high-efficiency outdoor power supply cabinet according to claim 8, characterized in that, It also includes a cooling and heat dissipation component, which includes an air conditioning component and an exhaust component. The air conditioning component is installed on the double door on one side of the first cabinet and is used to supply cold air to the inside of the first cabinet. The exhaust component is installed on the double door on the other side of the first cabinet and is used to exhaust hot air from inside the cabinet.

10. The high-efficiency outdoor power supply cabinet according to claim 9, characterized in that, The ventilation assembly includes a plurality of ventilation windows provided on the double door and a ventilation fan provided corresponding to the ventilation windows; The exhaust fan is equipped with a filter cover, and the exhaust window is a louver.

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