Inverter with multi-source input
By designing a multi-source input inverter, the problem of a single power interface in existing inverters is solved, enabling adaptation to multiple power inputs and outputs, improving the application range and flexibility of the inverter, meeting the usage needs of different scenarios, and extending its service life through heat dissipation and protection measures.
Patent Information
- Application Number
- CN202520527738.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-25
AI Technical Summary
In existing technologies, the input power interface of inverters used in photovoltaic power generation systems can only be connected to photovoltaic power sources, and cannot perform multiple power source adaptation and intelligent selection, which limits the application scope and flexibility of inverters and makes it difficult to meet the diverse usage needs in different scenarios.
An inverter with multiple input sources was designed. Through the cooperation of a sheet metal casing, a sheet metal front shell, a controller, a display screen, a switch, an AC input interface, a photovoltaic input interface, a battery positive input interface, a battery negative input interface, a DC output interface, and an AC output interface, the inverter can receive multiple power inputs from AC power, photovoltaic power, and batteries. Through the intelligent selection and processing of the controller, it can adapt and switch between multiple power sources. It has multiple outputs, including 24V DC, 48V DC, and 220V AC, to meet the power needs of different electrical appliances.
It improves the application range and flexibility of inverters, enabling them to meet diverse usage needs in different scenarios, and extends service life and stability through effective heat dissipation systems and protection measures.
Smart Images
Figure CN223957446U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to inverter technical field, concretely is a kind of inverter with multiple source input. BACKGROUND
[0002] Inverter is the DC power (battery, storage battery) into fixed frequency fixed voltage or frequency modulation voltage modulation AC power conversion equipment, inverter is widely used in various fields, such as solar power generation system, wind power generation system, uninterruptible power supply (UPS), electric vehicle charging station etc., is the important component of modern power electronics technology, inverter not only can convert DC power into AC power, but also can realize the regulation of voltage, frequency, in the case of lack of power supply in outdoor etc., inverter can be used to connect battery to drive electrical appliances and various tools, in prior art, the input end power supply interface of inverter used in photovoltaic power generation system can only be connected with photovoltaic power supply, cannot carry out multiple power supply adaptation and intelligent selection, limit the application range and flexibility of inverter, it is difficult to meet the diversified use demand in different scenarios. SUMMARY
[0003] In view of the defects of the prior art, the utility model provides an inverter with multiple source input, solves the problem that the input end power supply interface of inverter used in photovoltaic power generation system in prior art can only be connected with photovoltaic power supply, cannot carry out multiple power supply adaptation and intelligent selection, limit the application range and flexibility of inverter, it is difficult to meet the diversified use demand in different scenarios.
[0004] To achieve the above object, the utility model discloses a kind of inverter with multiple source input, including sheet metal shell, the front of the sheet metal shell is fixedly connected with sheet metal front shell, controller is installed in the inside of the sheet metal shell, the front of the sheet metal front shell is provided with display screen, the bottom of the sheet metal shell one side is provided with switch, the bottom of the sheet metal shell is provided with alternating current input interface on the side away from switch, the sheet metal shell is provided with photovoltaic input interface on the side of switch, the bottom of the sheet metal shell is provided with battery positive input interface, the side of the sheet metal shell is provided with battery negative input interface at battery positive input interface, the front of the sheet metal front shell is provided with direct current output interface at the equal distance below display screen, the bottom of the sheet metal shell is provided with alternating current output interface on the side of alternating current input interface, display screen, switch, alternating current input interface, photovoltaic input interface, battery positive input interface, battery negative input interface, direct current output interface and alternating current output interface are electrically connected with controller.
[0005] Preferably, the bottom of the sheet metal shell is provided with air outlet holes at equal distances on both sides, the inside of the sheet metal shell is provided with fans on both sides, the fans are provided corresponding to the air outlet holes, the sheet metal shell is provided with air inlet holes at equal distances on both sides, the outside of the sheet metal shell is provided with air inlet covers on both sides, the air inlet covers are provided corresponding to the air inlet holes, and the air inlet covers are provided with filter screens inside.
[0006] Preferably, the top of the back of the sheet metal shell is provided with a fixing plate, and the fixing plate is provided with fixing holes on both sides.
[0007] Preferably, one side of the sheet metal shell is provided with an input circuit breaker, and the input circuit breaker is electrically connected with the controller.
[0008] Preferably, the front of the sheet metal shell is fixedly connected with an inspection cover plate below the DC output interface.
[0009] The utility model provides a kind of inverter with multi-source input.It has the following beneficial effects: the inverter with multi-source input, by the cooperation between sheet metal shell, sheet metal front shell, controller, display screen, switch, AC input interface, photovoltaic input interface, battery positive input interface, battery negative input interface, DC output interface and AC output interface, the inverter can receive different types of power input from AC power supply, photovoltaic power supply and battery, and can have 24V DC, 48V DC and 220V AC and other different types of power output, by the intelligent selection and processing of controller, the adaptation and switching between multiple power sources can be carried out, and the power demand of different electrical equipment can be met, so that users can select appropriate power interface for connection according to actual needs, to improve the application range and flexibility of inverter, which helps to meet the diversified use demand of inverter in different scenarios.
[0010] By the cooperation between sheet metal shell, air outlet hole, fan, air inlet hole, air inlet cover and filter screen, the heat dissipation system of inverter is formed, the heat generated during the operation of inverter is discharged through air outlet hole by fan, at the same time, external cold air enters the inside of inverter through air inlet cover and air inlet hole, effective heat dissipation cycle can be formed, the heat dissipation efficiency of inverter can be improved, to ensure that inverter can operate stably for a long time in high temperature environment, and dust and other impurities can be effectively prevented from entering the inside of inverter through filter screen, to avoid pollution and damage to electrical elements in inverter, which helps to improve the service life and stability of inverter. ACCURACY
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of the appearance of the utility model;
[0013] Figure 3 It is an exploded view of the utility model;
[0014] Figure 4 It is Figure 3 It is a partial enlarged view of the A area in the middle;
[0015] Figure 5 It is Figure 3 It is a partial enlarged view of the B area in the middle.
[0016] In the figure: 1, sheet metal shell; 2, sheet metal front shell; 3, controller; 4, display screen; 5, switch; 6, AC input interface; 7, photovoltaic input interface; 8, battery positive input interface; 9, battery negative input interface; 10, DC output interface; 11, exhaust hole; 12, fan; 13, air inlet; 14, air inlet cover; 15, filter screen; 16, fixed plate; 17, fixing hole; 18, input circuit breaker; 19, maintenance cover plate; 20, AC output interface. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0018] In the prior art, the input end power supply interface of the inverter used in the photovoltaic power generation system can only be connected with the photovoltaic power supply, cannot be adapted to and intelligently selected from multiple power supplies, limits the application range and flexibility of the inverter, and is difficult to meet diversified use requirements in different scenes.
[0019] Therefore, the utility model provides an inverter with multiple source inputs, which is matched between a sheet metal shell, a sheet metal front shell, a controller, a display screen, a switch, an AC input interface, a photovoltaic input interface, a battery positive input interface, a battery negative input interface, a DC output interface and an AC output interface, so that the inverter can receive multiple different types of power supply inputs from AC power supplies, photovoltaic power supplies and batteries, can have multiple different types of power supply outputs such as 24V DC power, 48V DC power and 220V AC power, intelligently selects and processes through the controller, realizes the adaptation and switching between multiple power supplies, meets the power consumption requirements of different electrical equipment, users can select appropriate power supply interfaces for connection according to actual needs, improves the application range and flexibility of the inverter, and meets diversified use requirements in different scenes.
[0020] Through the person skilled in the art, all electrical components in the case are connected with their adapted power supply through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should be referred to the working principle below. The electrical components are connected in the order of working principle, and the detailed connection method is a common technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.
[0021] By Figures 1-5 It can be known that the inverter with multiple source inputs comprises a sheet metal shell 1, a sheet metal front shell 2 fixedly connected to the front of the sheet metal shell 1, a controller 3 installed in the inside of the sheet metal shell 1, a display screen 4 arranged on the front of the sheet metal front shell 2, a switch 5 arranged on one side of the bottom of the sheet metal shell 1, an alternating current input interface 6 arranged on the side of the bottom of the sheet metal shell 1 away from the switch 5, a photovoltaic input interface 7 arranged on one side of the sheet metal shell 1 at the switch 5, a battery positive input interface 8 arranged on the bottom of the sheet metal shell 1, a battery negative input interface 9 arranged on one side of the sheet metal shell 1 at the battery positive input interface 8, a direct current output interface 10 equidistantly arranged below the display screen 4 on the front of the sheet metal front shell 2, an alternating current output interface 20 arranged on one side of the sheet metal shell 1 at the alternating current input interface 6, and the display screen 4, the switch 5, the alternating current input interface 6, the photovoltaic input interface 7, the battery positive input interface 8, the battery negative input interface 9, the direct current output interface 10 and the alternating current output interface 20 are electrically connected with the controller 3.
[0022] In the implementation process, it is worth pointing out that, through the cooperation between the sheet metal shell 1 and the sheet metal front shell 2, the metal shell structure of the inverter is formed, through the cooperation between the sheet metal shell 1, the sheet metal front shell 2, the controller 3, the display screen 4 and the switch 5, the controller 3 as the core component of the inverter is responsible for receiving various input signals and processing to realize the intelligent control and multi-source input adaptation of the inverter, and through the display screen 4, the working state and related parameters of the inverter are displayed, and through the switch 5, the start and stop of the inverter are controlled, through the cooperation between the sheet metal shell 1, the sheet metal front shell 2, the controller 3, the AC input interface 6, the photovoltaic input interface 7, the battery positive input interface 8 and the battery negative input interface 9, the inverter can receive input from AC power, photovoltaic power and battery and other different types of power input, and through the intelligent selection and processing of the controller 3, the adaptation and switching between multiple power sources are realized, the application range and flexibility of the inverter are improved, and the diversified use requirements in different scenes are met, through the cooperation between the sheet metal shell 1, the sheet metal front shell 2, the controller 3, the DC output interface 10 and the AC output interface 20, the inverter can have 24V DC, 48V DC and 220V AC and other different types of power output, users can select the appropriate output interface for connection according to actual needs, and the intelligent adjustment and control are carried out through the controller 3 to meet the power demand of different electrical equipment, improve the applicability and flexibility of the inverter, through the cooperation between the sheet metal shell 1, the sheet metal front shell 2, the controller 3, the display screen 4, the switch 5, the AC input interface 6, the photovoltaic input interface 7, the battery positive input interface 8, the battery negative input interface 9, the DC output interface 10 and the AC output interface 20, the inverter can receive input from AC power, photovoltaic power and battery and other different types of power input, and can have 24V DC, 48V DC and 220V AC and other different types of power output, through the intelligent selection and processing of the controller 3, the adaptation and switching between multiple power sources are realized, and the power demand of different electrical equipment is met, users can select the appropriate power interface for connection according to actual needs, improve the application range and flexibility of the inverter, meet the diversified use requirements in different scenes, wherein the specific models of the controller 3, the display screen 4, the switch 5, the AC input interface 6, the photovoltaic input interface 7, the battery positive input interface 8, the battery negative input interface 9, the DC output interface 10 and the AC output interface 20 are not limited, as long as they meet the use requirements;
[0023] Further, the bottom of the sheet metal shell 1 is provided with air exhaust holes 11 at equal intervals on both sides, and fans 12 are installed on both sides of the inside of the sheet metal shell 1, the fans 12 are correspondingly arranged with the air exhaust holes 11, air inlet holes 13 are provided at equal intervals on both sides of the sheet metal shell 1, air inlet covers 14 are installed on both sides of the outer wall of the sheet metal shell 1, the air inlet covers 14 are correspondingly arranged with the air inlet holes 13, and filter screens 15 are arranged in the air inlet covers 14.
[0024] In the specific implementation process, it is particularly worth pointing out that the heat dissipation system of the inverter is composed of the sheet metal shell 1, the exhaust hole 11, the fan 12, the air inlet hole 13, the air inlet cover 14 and the filter screen 15. The heat generated during the operation of the inverter is discharged through the exhaust hole 11 by the fan 12, and at the same time, the external cold air enters the inverter through the air inlet cover 14 and the air inlet hole 13, forming an effective heat dissipation cycle, improving the heat dissipation efficiency of the inverter, ensuring that the inverter can operate stably for a long time in a high-temperature environment, and preventing dust and other impurities from entering the inverter through the filter screen 15, avoiding pollution and damage to the electrical elements inside the inverter, and improving the service life and stability of the inverter. The specific model of the fan 12 is not limited, and it can meet the use requirements;
[0025] Further, the back top of the sheet metal shell 1 is provided with a fixing plate 16, and the two sides of the fixing plate 16 are provided with fixing holes 17;
[0026] In the specific implementation process, it is particularly worth pointing out that the heat dissipation system of the inverter is composed of the sheet metal shell 1, the exhaust hole 11, the fan 12, the air inlet hole 13, the air inlet cover 14 and the filter screen 15. The heat generated during the operation of the inverter is discharged through the exhaust hole 11 by the fan 12, and at the same time, the external cold air enters the inverter through the air inlet cover 14 and the air inlet hole 13, forming an effective heat dissipation cycle, improving the heat dissipation efficiency of the inverter, ensuring that the inverter can operate stably for a long time in a high-temperature environment, and preventing dust and other impurities from entering the inverter through the filter screen 15, avoiding pollution and damage to the electrical elements inside the inverter, and improving the service life and stability of the inverter. The specific model of the fan 12 is not limited, and it can meet the use requirements;
[0027] Further, one side of the sheet metal shell 1 is provided with an input circuit breaker 18, which is used to quickly cut off the power supply when the inverter overloads or short-circuit faults occur, to protect the electrical elements inside the inverter from being damaged, improve the safety and reliability of the inverter, and the input circuit breaker 18 is electrically connected with the controller 3;
[0028] In the specific implementation process, it is particularly worth pointing out that the input circuit breaker 18 is used to quickly cut off the power supply when the inverter overloads or short-circuit faults occur, to protect the electrical elements inside the inverter from being damaged, improve the safety and reliability of the inverter, and the input circuit breaker 18 is electrically connected with the controller 3;
[0029] Further, the front surface of the sheet metal front shell 2 is fixedly connected with a maintenance cover plate 19 below the DC output interface 10;
[0030] In the specific implementation process, it is particularly worth pointing out that the maintenance cover plate 19 is used for maintenance and maintenance of the electrical elements inside the inverter. By opening the maintenance cover plate 19, the inverter can be easily accessed to check, clean or replace the electrical elements, ensuring the normal operation of the inverter and prolonging the service life.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An inverter with multiple source inputs comprising a sheet metal housing (1), characterized in that: The front of the metal shell (1) is fixedly connected with a metal front shell (2), the inside of the metal shell (1) is provided with a controller (3), the front of the metal front shell (2) is provided with a display screen (4), the bottom of the metal shell (1) is provided with a switch (5), the bottom of the metal shell (1) is provided with an alternating current input interface (6) away from the switch (5), the metal shell (1) is provided with a photovoltaic input interface (7) on one side of the switch (5), the bottom of the metal shell (1) is provided with a battery positive input interface (8), the metal shell (1) is provided with a battery negative input interface (9) on one side of the battery positive input interface (8), the front of the metal front shell (2) is provided with a direct current output interface (10) below the display screen (4), the bottom of the metal shell (1) is provided with an alternating current output interface (20) on one side of the alternating current input interface (6), and the display screen (4), the switch (5), the alternating current input interface (6), the photovoltaic input interface (7), the battery positive input interface (8), the battery negative input interface (9), the direct current output interface (10) and the alternating current output interface (20) are electrically connected with the controller (3).
2. An inverter having multiple source inputs as defined in claim 1, characterized by: The bottom of the metal shell (1) is provided with exhaust holes (11) on both sides, and the inside of the metal shell (1) is provided with fans (12) on both sides, the fans (12) are provided correspondingly with the exhaust holes (11), the metal shell (1) is provided with air inlet holes (13) on both sides, the metal shell (1) is provided with air inlet covers (14) on both sides, the air inlet covers (14) are provided correspondingly with the air inlet holes (13), and the air inlet covers (14) are provided with filter screens (15) inside.
3. The inverter having multiple source inputs of claim 1, wherein: The back of the metal shell (1) is provided with a fixing plate (16), and the two sides of the fixing plate (16) are provided with fixing holes (17).
4. The inverter having multiple source inputs of claim 1, wherein: The side of the metal shell (1) is provided with an input circuit breaker (18), and the input circuit breaker (18) is electrically connected with the controller (3).
5. The inverter having multiple source inputs of claim 1, wherein: The front of the metal front shell (2) is fixedly connected with an inspection cover plate (19) below the direct current output interface (10).