Inverter for electric energy recovery
By introducing a driving and adjustment mechanism into the power recovery device, the angle of the photovoltaic panel is automatically adjusted and the electrical energy data is displayed, which solves the problems of inconvenient manual adjustment and intuition of display of the photovoltaic panel, and improves the efficiency of power recovery and flexibility of use.
Patent Information
- Application Number
- CN202421455052.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-06-25
AI Technical Summary
In existing power recovery devices, photovoltaic panels need to be manually adjusted toward and pitch angles inconvenient, and lack intuitive displays of energy recovery and use.
An inverter for electric energy recovery is designed, including a driving mechanism and an adjustment mechanism, which automatically adjusts the angle of the photovoltaic panel through the control panel and displays the electrical energy data through the control panel and the display unit.
It realizes automatic adjustment of photovoltaic panel angle and intuitive display of electrical energy data, improving the efficiency of power recovery and flexibility of use.
Smart Images

Figure CN223206876U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of inverters, in particular to an inverter for electric energy recovery. Background Art
[0002] An inverter converts DC power (from batteries or storage batteries) into constant-frequency, constant-voltage, or frequency-modulated, voltage-regulated AC power (typically 220V, 50Hz sinusoidal). It consists of an inverter bridge, control logic, and filtering circuits. It is widely used in air conditioners, home theaters, electric grinding wheels, power tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, range hoods, refrigerators, VCRs, massagers, fans, and lighting.
[0003] Photovoltaic power generation uses the photovoltaic effect at the interface of semiconductors to directly convert sunlight into electricity. It primarily consists of photovoltaic panels, a controller, an inverter, and a battery. The panels are connected in series and packaged, then connected to the battery via a controller. The panels convert sunlight into electricity, which is then stored in the battery. The DC power in the battery is then converted to AC power by an inverter and supplied to the equipment.
[0004] After searching, the electric energy recovery device disclosed in Chinese patent CN206313720U includes a photovoltaic panel, a controller, an inverter, a battery and a fixed bracket. The photovoltaic panel is wrapped around the outside of the light source body, the front of the photovoltaic panel is arranged opposite to the light source body, and the back is fixed on the fixed bracket; the photovoltaic panel is connected to the battery, and the inverter is connected to the battery and the controller respectively.
[0005] The above-mentioned electric energy recovery device has the following technical defects:
[0006] During daily use, photovoltaic panels need to be adjusted according to the angle of sunlight. The operator needs to manually adjust the direction of the photovoltaic panels and cannot adjust the pitch angle of the photovoltaic panels. The use process is relatively inconvenient. At the same time, after the energy is recovered, the energy recovery and usage status are not displayed, which is not intuitive enough. Utility Model Content
[0007] In order to solve the above technical problems, the utility model provides an inverter for electric energy recovery.
[0008] The purpose and effect of the utility model to provide an inverter for electric energy recovery are achieved by the following specific technical means:
[0009] An inverter for electric energy recovery includes a housing, wherein a first cavity and a second cavity are defined inside the housing from top to bottom, a drive mechanism is installed inside the first cavity, a plurality of mounting plates are symmetrically mounted on the top of the housing, the drive mechanism drives the mounting plates to rotate, one end of the mounting plate is rotatably connected to a photovoltaic panel, and an adjustment mechanism is installed between the mounting plate and the photovoltaic panel, the adjustment mechanism adjusts the angle between the mounting plate and the photovoltaic panel;
[0010] A battery and an inverter are placed inside the second cavity, a control panel is installed on the outside of the casing, the output end of the photovoltaic panel is connected to the battery, the output end of the battery is connected to the control panel and the inverter respectively, and the output end of the control panel is connected to the display unit.
[0011] Furthermore, the driving mechanism includes a motor A, a driving gear, a transmission belt, a driven gear and a rotating shaft. The bottom of the motor A is fixedly connected to the casing, and the output end of the motor A is connected to the driving gear through a coupling. A plurality of driven gears are symmetrically installed on both sides of the driving gear with respect to the casing. The driving gear drives the driven gear to rotate through the transmission belt. A rotating shaft is fixedly installed inside the driven gear, and the rotating shaft is rotatably connected to the top of the casing. The top of the rotating shaft is fixedly connected to the mounting plate.
[0012] Furthermore, the adjustment mechanism includes a screw, a guide rod, a motor B, a moving rod and a slider. The screw and the guide rod are symmetrically installed at both ends of the mounting plate about the center of the mounting plate. The screw is rotatably connected to the mounting plate. The motor B is fixedly installed on the outer side of the mounting plate. The output end of the motor B is connected to the motor B through a coupling. The two ends of the guide rod are fixedly connected to the mounting plate. Moving rods are installed on the outer sides of the screw and the guide rod. A slider is installed at the end of the two moving rods away from the mounting plate. The slider is slidably connected to the photovoltaic panel.
[0013] Furthermore, the output end of the inverter is connected to the motor A and the motor B respectively, and the output end of the inverter is connected to other devices.
[0014] Furthermore, the casing is provided with sliding doors symmetrically about the casing, and the two sliding doors are fixedly provided with handles on a side away from the second cavity.
[0015] Furthermore, a fixing component 1 and a fixing component 2 are placed between the two handles, and the fixing component 1 and the fixing component 2 are respectively fixedly connected to the two sliding doors, and the fixing component 1 and the fixing component 2 can be plugged in.
[0016] Furthermore, the inverter is a string inverter.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] 1. The driving mechanism in the present invention is controlled by a control panel. The motor A drives the driving gear to rotate. The driving gear drives multiple driven gears to rotate through a transmission belt. The multiple driven gears drive the mounting plate and the photovoltaic panel to rotate through the rotating shaft, which makes it more convenient and quick to absorb solar energy. The direct current is converted into alternating current again through the inverter, thereby improving the efficiency of energy recovery and utilization.
[0019] 2. The adjustment mechanism in the present invention is controlled by the control panel. The motor B drives the screw to rotate, and the screw drives the outer moving rod to move between the photovoltaic panel and the mounting plate, thereby adjusting the angle between the photovoltaic panel and the mounting plate. Different seasons and latitudes will affect the installation angle of the solar panel. Adjusting the angle can improve the flexibility of use.
[0020] 3. The control panel and display unit in the utility model, the photovoltaic panel stores electrical energy in the battery, the battery is connected to the control panel, the control panel is connected to the display module, the recovered energy data is transmitted to the display module for display, and the battery is connected to the inverter to provide power for motor A, motor B and other equipment, providing power for internal and external use. When using electrical energy, it can also be displayed through the display module, which is more intuitive to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural block diagram of the utility model;
[0022] Figure 2 This is one of the three-dimensional schematic diagrams of the present utility model;
[0023] Figure 3 This is the second three-dimensional schematic diagram of the utility model;
[0024] Figure 4 It is a schematic diagram of a partial cross-sectional structure of the present utility model;
[0025] Figure 5 for Figure 4 A in the middle is an enlarged structural diagram;
[0026] Figure 6 This is a schematic diagram of the structure of the mounting plate, photovoltaic panel and adjustment mechanism in the present utility model;
[0027] In the picture:
[0028] 1. Casing; 110. Cavity 1; 120. Cavity 2; 2. Driving mechanism; 210. Motor A; 220. Driving gear; 230. Transmission belt; 240. Driven gear; 250. Rotating shaft; 3. Mounting plate; 4. Photovoltaic panel; 5. Adjusting mechanism; 510. Screw; 520. Guide rod; 530. Motor B; 540. Moving rod; 550. Slider; 6. Battery; 7. Inverter; 8. Control panel; 9. Sliding door. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0030] Example
[0031] like Figure 1-6 As shown, the present invention provides an inverter for electric energy recovery, including a housing 1. A cavity 110 and a cavity 2 120 are formed inside the housing 1 from top to bottom. A driving mechanism 2 is installed inside the cavity 110. A plurality of mounting plates 3 are symmetrically installed on the top of the housing 1. The driving mechanism 2 drives the mounting plates 3 to rotate. One end of the mounting plate 3 is rotatably connected to a photovoltaic panel 4. An adjustment mechanism 5 is installed between the mounting plate 3 and the photovoltaic panel 4. The adjustment mechanism 5 adjusts the angle between the mounting plate 3 and the photovoltaic panel 4. The driving mechanism 2 and the adjustment mechanism 5 in the present invention improve the efficiency and flexibility of electric energy recovery.
[0032] The battery 6 and the inverter 7 are placed inside the cavity 2 120, and a control panel 8 is installed on the outside of the casing 1. The output end of the photovoltaic panel 4 is connected to the battery 6, and the output end of the battery 6 is respectively connected to the control panel 8 and the inverter 7, and the output end of the control panel 8 is connected to the display unit. In the control panel 8 and the display unit of the present invention, the photovoltaic panel 4 stores electrical energy in the battery 6, the battery 6 is connected to the control panel 8 and the inverter 7, and the control panel 8 is connected to the display module, which transmits the recovered and used electrical energy data to the display module for display.
[0033] As a technical solution of the utility model, the driving mechanism 2 includes a motor A210, a driving gear 220, a transmission belt 230, a driven gear 240 and a rotating shaft 250. The bottom of the motor A210 is fixedly connected to the housing 1. The output end of the motor A210 is connected to the driving gear 220 through a coupling. A plurality of driven gears 240 are symmetrically installed on both sides of the driving gear 220 about the housing 1. The driving gear 220 drives the driven gear 240 to rotate through the transmission belt 230. The internal part of the driven gear 240 is fixedly installed with a rotating shaft. 250, the rotating shaft 250 is rotatably connected to the top of the casing 1, and the top of the rotating shaft 250 is fixedly connected to the mounting plate 3. The driving mechanism 2 in the utility model is controlled by the control panel 8, the motor A210 drives the driving gear 220 to rotate, the driving gear 220 drives multiple driven gears 240 to rotate through the transmission belt 230, and the multiple driven gears 240 drive the mounting plate 3 and the photovoltaic panel 4 to rotate through the rotating shaft 250, which makes it more convenient and quick to absorb solar energy and improve the efficiency of electric energy recovery.
[0034] As a technical solution of the utility model, the adjustment mechanism 5 includes a screw 510, a guide rod 520, a motor B530, a moving rod 540 and a slider 550. The screw 510 and the guide rod 520 are symmetrically installed at both ends of the mounting plate 3 about the center of the mounting plate 3. The screw 510 is rotatably connected to the mounting plate 3. The motor B530 is fixedly installed on the outer side of the mounting plate 3. The output end of the motor B530 is connected to the motor B530 through a coupling. The two ends of the guide rod 520 are fixedly connected to the mounting plate 3. The screw 510 and the guide rod 520 are installed on the outer side of the mounting plate 3. It is equipped with a moving rod 540, and the two moving rods 540 are equipped with a slider 550 at the end away from the mounting plate 3. The slider 550 is slidably connected to the photovoltaic panel 4. The adjustment mechanism 5 in the utility model, the motor B530 drives the screw 510 to rotate, and the screw 510 drives the outer moving rod 540 to move between the photovoltaic panel 4 and the mounting plate 3. The slider 550 is slidably connected to the photovoltaic panel 4, thereby adjusting the angle between the photovoltaic panel 4 and the mounting plate 3. At the same time, the moving rod 540 outside the guide rod 520 slides to improve the stability during angle adjustment.
[0035] As a technical solution of the utility model, the output end of the inverter 7 is connected to the motor A210 and the motor B530 respectively, and the output end of the inverter 7 is connected to other devices. In the utility model, the inverter 7 supplies power to the motor A210, the motor B530 and other devices, providing internal and external power supply.
[0036] As a technical solution of the utility model, the casing 1 is symmetrically provided with sliding doors 9, and the two sliding doors 9 are fixedly installed with handles on the side away from the cavity 2 120. The two sliding doors 9 in the utility model move in opposite directions by pulling the handles, which facilitates the use and maintenance of the internal battery 6 and inverter 7.
[0037] As a technical solution of the utility model, fixed component 1 and fixed component 2 are placed between the two handles. Fixed component 1 and fixed component 2 are respectively fixedly connected to the two sliding doors 9. Fixed component 1 and fixed component 2 can be plugged in. Fixed component 1 and fixed component 2 of the utility model can manually close the two sliding doors 9.
[0038] As a technical solution of the utility model, inverter 7 is a string inverter. The string inverter in the utility model has a simple structure, is easy to install, is small in size, occupies little space, has flexible configuration, and has small array mismatch loss. Through power tracking of multiple MPPTs, this damage can be minimized.
[0039] The working principle of the above embodiment is:
[0040] The user controls the driving mechanism 2 through the control panel 8. The motor A210 drives the driving gear 220 to rotate. The driving gear 220 drives the multiple driven gears 240 to rotate through the transmission belt 230. The multiple driven gears 240 drive the mounting plate 3 and the photovoltaic panel 4 to rotate through the rotating shaft 250.
[0041] The user controls the adjustment mechanism 5 through the control panel 8. The motor B530 drives the screw 510 to rotate, and the screw 510 drives the outer movable rod 540 to move between the photovoltaic panel 4 and the mounting plate 3, thereby adjusting the angle between the photovoltaic panel 4 and the mounting plate 3. At the same time, the movable rod 540 outside the guide rod 520 slides to improve stability during angle adjustment.
[0042] The photovoltaic panel 4 stores electrical energy in the battery 6, which is connected to the control panel 8. The control panel 8 is connected to the display module to transmit the recovered energy data to the display module for display. At the same time, the battery 6 is connected to the inverter 7 for the motor A210, the motor B530 and other equipment. The functional equipment is a small and medium-sized rooftop photovoltaic power generation system and a small ground power station, which provides power for both inside and outside. When the electricity is used, it can also be displayed on the display module;
[0043] By pulling the handle, the two sliding doors 9 move in opposite directions, making it easier to use and repair the internal battery 6 and inverter 7;
[0044] Inverter 7 is a string inverter with a simple structure, easy installation, small size, small footprint, flexible configuration, and small array mismatch loss. This damage can be minimized through power tracking of multiple MPPTs.
[0045] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An inverter for electric energy recovery, comprising a housing (1), wherein a cavity 1 (110) and a cavity 2 (120) are provided inside the housing (1) from top to bottom, and characterized in that: A driving mechanism (2) is installed inside the first cavity (110), and a plurality of mounting plates (3) are symmetrically installed on the top of the housing (1) with respect to the housing (1). The driving mechanism (2) drives the mounting plate (3) to rotate, and one end of the mounting plate (3) is rotatably connected to a photovoltaic panel (4), and an adjustment mechanism (5) is installed between the mounting plate (3) and the photovoltaic panel (4), and the adjustment mechanism (5) adjusts the angle between the mounting plate (3) and the photovoltaic panel (4); a battery (6) and an inverter (7) are placed inside the second cavity (120), and a control panel (8) is installed on the outside of the housing (1), the output end of the photovoltaic panel (4) is connected to the battery (6), the output end of the battery (6) is connected to the control panel (8) and the inverter (7) respectively, and the output end of the control panel (8) is connected to a display unit.
2. The inverter for electric energy recovery according to claim 1, characterized in that: The driving mechanism (2) comprises a motor A (210), a driving gear (220), a transmission belt (230), a driven gear (240) and a rotating shaft (250). The bottom of the motor A (210) is fixedly connected to the housing (1). The output end of the motor A (210) is connected to the driving gear (220) via a coupling. A plurality of driven gears (240) are symmetrically mounted on both sides of the driving gear (220) with respect to the housing (1). The driving gear (220) drives the driven gears (240) to rotate via the transmission belt (230). A rotating shaft (250) is fixedly mounted inside the driven gear (240). The rotating shaft (250) is rotatably connected to the top end of the housing (1). The top of the rotating shaft (250) is fixedly connected to the mounting plate (3).
3. The inverter for electric energy recovery according to claim 2, characterized in that: The adjustment mechanism (5) comprises a screw (510), a guide rod (520), a motor B (530), a moving rod (540) and a slider (550). The screw (510) and the guide rod (520) are symmetrically mounted on both ends of the mounting plate (3) about the center of the mounting plate (3). The screw (510) is rotatably connected to the mounting plate (3). The motor B (530) is fixedly mounted on the outer side of the mounting plate (3). The output end of the motor B (530) is connected to the motor B (530) via a coupling. The two ends of the guide rod (520) are fixedly connected to the mounting plate (3). Moving rods (540) are mounted on the outer sides of the screw (510) and the guide rod (520). A slider (550) is mounted on the two moving rods (540) at one end away from the mounting plate (3). The slider (550) is slidably connected to the photovoltaic panel (4).
4. The inverter for electric energy recovery according to claim 3, characterized in that: The output ends of the inverter (7) are connected to the motor A (210) and the motor B (530) respectively.
5. The inverter for electric energy recovery according to claim 1, characterized in that: The housing (1) is provided with sliding doors (9) symmetrically with respect to the housing (1), and the two sliding doors (9) are fixedly provided with handles on a side away from the second cavity (120).
6. The inverter for electric energy recovery according to claim 5, characterized in that: A fixing component 1 and a fixing component 2 are placed between the two handles. The fixing component 1 and the fixing component 2 are respectively fixedly connected to the two sliding doors (9). The fixing component 1 and the fixing component 2 are pluggable.
7. The inverter for electric energy recovery according to claim 1, characterized in that: The inverter (7) is a string type inverter.
Citation Information
Patent Citations
Electric energy recovery unit
CN206313720U