CN221900597U - Solar and mains complementary controller - Google Patents

Abstract

The utility model discloses a solar energy and mains supply complementary controller, which comprises a shell and a bottom sealing cover matched with the shell, wherein a circuit main board is fixedly arranged in the middle of the bottom sealing cover, an electromagnetic filtering loop rectifying circuit module is fixedly arranged on the circuit main board, a PFC circuit module is electrically connected to the electromagnetic filtering loop rectifying circuit module, a switching circuit module and a control circuit module are electrically connected to the PFC circuit module, and an over-temperature protection circuit module and an overload protection circuit module are electrically connected between the control circuit module and the switching circuit module.

Description

Solar energy and commercial power complementary controller

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a solar energy and commercial power complementary controller.

Background

In recent years, the photovoltaic industry has rapidly developed, and the photovoltaic installation amount has exponentially increased. In solar energy applications, solar energy is usually converted into electric energy to be stored in a storage battery and then supplied to an electric appliance, but solar power generation efficiency is easily affected by weather, and the electric appliance may be stopped due to insufficient electric quantity of the storage battery, so that a solar energy and commercial power complementary controller is needed to avoid the problem. The solar energy and commercial power complementary controller commonly used in the market at present mainly comprises a machine shell and a control circuit board arranged in the machine shell, and electric energy conversion is realized through circuit control. The above-mentioned common types of controllers have the following disadvantages in practical applications:

The power supply mode can not be flexibly switched according to the residual electric quantity condition in the photovoltaic energy storage battery, and the stability and safety of the control operation are insufficient.

Disclosure of utility model

The utility model aims to provide a solar energy and mains supply complementary controller so as to solve the problems that the existing photovoltaic controller provided in the background art flexibly switches power supply modes according to the residual electric quantity condition in a photovoltaic energy storage battery, and is insufficient in stability and safety of control operation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the solar energy and commercial power complementary controller comprises a shell and a bottom sealing cover matched with the shell, a circuit main board is fixedly arranged in the middle of the bottom sealing cover, an electromagnetic filtering loop rectifying circuit module is fixedly arranged on the circuit main board, a PFC circuit module is electrically connected to the electromagnetic filtering loop rectifying circuit module, a switching circuit module and a control circuit module are electrically connected to the PFC circuit module, an over-temperature protection circuit module and an overload protection circuit module are electrically connected between the control circuit module and the switching circuit module, an overvoltage protection circuit module and a detection circuit module are electrically connected to the control circuit module, a rectifying and filtering circuit module is electrically connected to the detection circuit module, an organic shell grounding circuit module is arranged on the surface of the circuit main board, and a display cover plate is fixedly arranged at the top end of the bottom sealing cover.

Preferably, the middle part of the display cover plate is fixedly provided with an indicator lamp, a wiring port and a wireless signal transmission module, and the indicator lamp, the wiring port and the wireless signal transmission module are electrically connected with the control circuit module; the wiring is convenient and fast to use.

Preferably, a radiating channel is fixedly arranged at the bottom end of the shell, a radiating fan is fixedly arranged in the middle of the radiating channel, and the radiating fan is electrically connected with the control circuit module; the heat dissipation effect is obvious, and the working temperature is stable.

Preferably, one side of the surface of the display cover plate is provided with a heat dissipation hole, and the inner side of the heat dissipation hole is fixedly provided with a dust filtering net frame; the ventilation is smooth, and the heat dissipation of the controller can be assisted.

Preferably, both sides of the bottom sealing cover are fixedly provided with locking pad grooves, the surfaces of the locking pad grooves are provided with screw holes, and the bottom sealing cover is fixedly arranged on the shell through screws; the disassembly and assembly of the controller are convenient, and the later maintenance and overhaul are convenient.

Preferably, the two sides of the bottom of the shell are fixedly provided with mounting base plates, and the surfaces of the mounting base plates are provided with preformed holes; the controller is convenient to install and fix, and the assembly is convenient.

Compared with the prior art, the utility model has the beneficial effects that:

The controller is additionally provided with the switching circuit module on the circuit board, can automatically switch the power supply mode according to the residual electric quantity of the storage battery, and can utilize solar energy to the greatest extent under the condition of ensuring that the electric appliance is not powered off, and the controller has the modules of overload, overvoltage, overtemperature, detection circuit, rectifying and filtering and the like, and is stable in electric energy control, high in safety, stable in working temperature, accurate in control and convenient to assemble and maintain in later stages.

Drawings

FIG. 1 is a schematic diagram of a controller according to the present utility model;

FIG. 2 is a schematic diagram of a circuit board according to the present utility model;

FIG. 3 is a front cross-sectional view of the housing of the present utility model;

Fig. 4 is a schematic diagram of a controller according to the present utility model.

In the figure: 1. a bottom cover; 2. a housing; 3. a display cover plate; 4. an indicator light; 5. a heat radiation hole; 6. installing a backing plate; 7. a wiring port; 8. a circuit motherboard; 9. a lock pad groove; 10. screw holes; 11. a dust filtering net frame; 12. a switching circuit module; 13. a control circuit module; 14. a rectifying and filtering circuit module; 15. an overload protection circuit module; 16. a detection circuit module; 17. a PFC circuit module; 18. an over-temperature protection circuit module; 19. a chassis grounding circuit module; 20. the electromagnetic filter circuit rectifying circuit module; 21. an overvoltage protection circuit module; 22. a heat dissipation channel; 23. a heat radiation fan; 24. a preformed hole; 25. and a wireless signal transmission module.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a solar energy and commercial power complementary controller, which comprises a casing 2 and a bottom sealing cover 1 matched with the casing 2, wherein a circuit main board 8 is fixedly arranged in the middle of the bottom sealing cover 1, an electromagnetic filtering circuit rectifying circuit module 20 is fixedly arranged on the circuit main board 8, a PFC circuit module 17 is electrically connected on the electromagnetic filtering circuit rectifying circuit module 20, a switching circuit module 12 and a control circuit module 13 are electrically connected on the PFC circuit module 17, an over-temperature protection circuit module 18 and an overload protection circuit module 15 are electrically connected between the control circuit module 13 and the switching circuit module 12, an overvoltage protection circuit module 21 and a detection circuit module 16 are electrically connected on the control circuit module 13, a rectifying and filtering circuit module 14 is electrically connected on the detection circuit module 16, an organic shell grounding circuit module 19 is arranged on the surface of the circuit main board 8, and a display cover plate 3 is fixedly arranged on the top end of the bottom sealing cover 1.

Referring to fig. 1 and 2, further, an indicator lamp 4, a wiring port 7 and a wireless signal transmission module 25 are fixedly installed in the middle of the display cover plate 3, and the indicator lamp 4, the wiring port 7 and the wireless signal transmission module 25 are electrically connected with the control circuit module 13;

when the intelligent power supply system is used, the controller can lighten different indicator lamps 4 under different power supply modes, the outside can be prompted, and the wiring port 7 is used for connecting the controller with the photovoltaic power generation equipment, the energy storage equipment and the voltage transformation power supply equipment in an inserting mode, so that the installation is convenient and fast.

Referring to fig. 1, 2 and 3, further, a heat dissipation channel 22 is fixedly arranged at the bottom end of the casing 2, a heat dissipation fan 23 is fixedly arranged in the middle of the heat dissipation channel 22, the heat dissipation fan 23 is electrically connected with the control circuit module 13, a heat dissipation hole 5 is formed in one side of the surface of the display cover plate 3, and a dust filtering net frame 11 is fixedly arranged inside the heat dissipation hole 5;

When the heat dissipation device is used, when the temperature inside the casing 2 is too high, the heat dissipation fan 23 can be started, external air can enter the casing 2 through the heat dissipation holes 5, and after being filtered by the dust filtering net rack 11, the external air circulates on the surface of the circuit main board 8, is discharged through the heat dissipation channel 22 after carrying heat, can realize heat dissipation of a controller, and ensures the stability of the working temperature of the controller.

Referring to fig. 1, 2 and 3, further, lock pad grooves 9 are fixedly arranged on two sides of the bottom sealing cover 1, screw holes 10 are formed in the surfaces of the lock pad grooves 9, the bottom sealing cover 1 is fixedly arranged on the casing 2 through screws, mounting base plates 6 are fixedly arranged on two sides of the bottom of the casing 2, and reserved holes 24 are formed in the surfaces of the mounting base plates 6;

When the novel lock pad is used, the shell 2 is directly buckled on the lock pad groove 9 of the bottom sealing cover 1, the lock pad is fixed through screws penetrating through the screw holes 10, the disassembly and the assembly of the controller can be realized rapidly, the later maintenance is convenient, the bottom sealing cover 1 can be fixed through the installation base plate 6, and the fixing and use are convenient.

When the embodiment of the application is used, the following steps are adopted: the overload protection circuit module 15, the overvoltage protection circuit module 21, the over-temperature protection circuit module 18, the detection circuit module 16, the rectifying and filtering circuit module 14 and the like are arranged on the circuit main board 8, so that the electric energy is controlled stably, the safety is high, the working temperature is stable, the control is accurate, and the assembly and the later maintenance are convenient.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a solar energy and commercial power complementary controller, includes casing (2) and with casing (2) assorted bottom closing cap (1), its characterized in that: the middle part fixed mounting of end closing cap (1) has circuit mainboard (8), fixed mounting has electromagnetic filtering return circuit rectifier circuit module (20) on circuit mainboard (8), electric connection has PFC circuit module (17) on electromagnetic filtering return circuit rectifier circuit module (20), electric connection has switching circuit module (12) and control circuit module (13) on PFC circuit module (17), electric connection has overtemperature protection circuit module (18) and overload protection circuit module (15) between control circuit module (13) and switching circuit module (12), electric connection has overvoltage protection circuit module (21) and detection circuit module (16) on control circuit module (13), electric connection has rectifier filter circuit module (14) on detection circuit module (16), surface mounting organic shell earthing circuit module (19) of circuit mainboard (8), the top fixed mounting of end closing cap (1) has apparent and connects apron (3).

2. The solar and utility complementary controller of claim 1, wherein: the middle part fixed mounting who shows and connect apron (3) has pilot lamp (4), wiring mouth (7) and wireless signal transmission module (25), pilot lamp (4), wiring mouth (7) and wireless signal transmission module (25) all with control circuit module (13) electric connection.

3. The solar and utility complementary controller of claim 1, wherein: the bottom end of the shell (2) is fixedly provided with a heat dissipation channel (22), the middle part of the heat dissipation channel (22) is fixedly provided with a heat dissipation fan (23), and the heat dissipation fan (23) is electrically connected with the control circuit module (13).

4. The solar and utility complementary controller of claim 2, wherein: a radiating hole (5) is formed in one side of the surface of the display cover plate (3), and a dust filtering net frame (11) is fixedly arranged on the inner side of the radiating hole (5).

5. The solar and utility complementary controller of claim 1, wherein: both sides of the bottom sealing cover (1) are fixedly provided with lock pad grooves (9), screw holes (10) are formed in the surfaces of the lock pad grooves (9), and the bottom sealing cover (1) is fixedly arranged on the machine shell (2) through screws.

6. The solar and utility complementary controller of claim 1, wherein: both sides of the bottom of the shell (2) are fixedly provided with mounting base plates (6), and preformed holes (24) are formed in the surfaces of the mounting base plates (6).