CN202712937U - Alternative, direct current type solar photovoltaic household power supply system - Google Patents

Abstract

An AC and DC type solar photovoltaic household power supply system, the power supply system includes a solar cell assembly, a charge controller, a storage battery and an AC converter, the solar cell assembly is connected to the charge controller, the charge controller is connected to the storage battery, The AC converter is connected to the charge controller, and the charge controller receives the current of the solar cell assembly to charge the storage battery, and can transmit the current of the solar cell assembly or the storage battery to the AC converter to provide electric energy for the load unit; the utility model The new type has simple structure, convenient transportation, can realize solar power supply after fast assembly, and has comprehensive functions, wide application and stronger applicability.

Description

AC and DC Solar Photovoltaic Household Power System

technical field

The utility model relates to the technical field of solar power, in particular to an AC and DC type solar photovoltaic household power supply system. the

Background technique

As the global energy crisis intensifies, countries around the world have strengthened research on renewable energy, and solar photovoltaic power generation technology is one of the important ways to solve energy problems. Through the efforts of global solar scientists and manufacturers, solar photovoltaic power generation technology has made great progress in recent years. Large and medium-sized solar photovoltaic power generation technology has become more mature and has been promoted and applied on a large scale. Get well developed applications. Remote and remote mountain villages, pastoral areas, islands, forest fire observation towers, earthquake monitoring stations, professional beekeepers, etc. that are difficult to cover by the public power grid all urgently need small household power supplies that are easy to move and reliable to meet basic living lighting and entertainment needs. electricity demand. the

The known solar photovoltaic household power supply systems have the following defects. Most of them use BIPV or small power station types. The entire household system is expensive and cannot be moved; the charging and discharging control method of the system is simple. The voltage segment limits the charging current level, without considering the charging and discharging curve of the battery; most of the systems either only provide DC output or only provide AC output; they do not provide enough status display functions, such as charging current, battery voltage, and working status indication etc., which is not conducive to the use and maintenance of users; most systems are only equipped with LED lamps, which cannot meet the basic entertainment needs of the family; Power demand; the system protection function is not complete, it only provides overcharge and overdischarge protection functions, and there is no battery, solar panel anti-reverse connection protection and input and output short circuit protection functions. As a result, solar photovoltaic power generation household systems cannot be popularized in most areas without electricity. the

For this reason, in view of the above-mentioned defects, the designers of the present utility model have researched and designed a kind of AC and DC type solar photovoltaic household power supply system to overcome the above-mentioned defects . the

Contents of the invention

The purpose of the utility model is to provide an AC and DC type solar photovoltaic household power supply system, which has a simple structure, convenient transportation, can realize solar power supply after quick assembly, and has comprehensive functions, wide application and stronger applicability. the

In order to achieve the above purpose, the utility model discloses an AC and DC type solar photovoltaic household power supply system, the power supply system includes a solar cell assembly, a charging controller, a storage battery and an AC converter, and the solar cell assembly is connected to the charging control The charger, the charge controller is connected to the battery, the AC converter is connected to the charge controller, characterized in that:

The charging controller, storage battery and AC converter are all installed in the case, which is equipped with a panel, a voltage conversion output device, an AC/DC conversion display, an AC/DC conversion switch, a circuit breaker group, multiple AC output interfaces, Multiple 12V DC output interfaces and solar battery interfaces;

The voltage conversion output device is connected to the AC converter to convert the 12V current into 3V, 4.5V, 6V, 7.5V, and 9V output voltages. The AC and DC conversion switches are connected to the DC output port to use DC power at different voltage levels The load provides power; the panel is equipped with a battery voltage display, a start/reset switch, a charge status display and a temperature detector, the battery voltage display is connected to the battery, the charge state display is connected to the charge controller, and the start/reset switch is connected to the charge control The temperature detector is connected to the charge controller, battery and AC converter to detect the temperature and display the status of the battery, charge controller and AC converter respectively;

The solar battery interface is connected to the solar battery module and the charging controller to deliver the 12V current generated by the solar battery to the charging controller. The multiple 12 V DC output interfaces are connected to the AC converter to directly output 12V DC. The multiple AC The output interface is connected to an AC converter to directly output 12V AC.

Among them: the circuit breaker group includes a battery circuit breaker connected between the charge controller and the battery to provide current protection, a DC circuit breaker connected between the AC converter and the 12 V DC output interface, and a DC circuit breaker connected between the AC converter and the AC AC circuit breaker between outlets. the

Among them: the battery is a valve-regulated sealed gel battery. the

Among them: the solar battery module is installed on the battery support, the battery support includes horizontal bars and vertical bars on both sides, and a connecting rod that fixes the two vertical bars to the horizontal bar, and the connecting end of each vertical bar is provided with a connecting hole The connecting ends of each horizontal bar are provided with a plurality of adjustment holes at intervals, and the two ends of the connecting rods are respectively inserted into the connecting holes and one of the adjustment holes for connection. pieces. the

Among them: the solar cell module is installed on the battery support, and the battery support includes horizontal connecting rods, vertical connecting rods and mounting rods respectively located on both sides, and the two ends of the horizontal connecting rods, vertical connecting rods and mounting rods are connected to each other to form a triangle , and the connecting rod connecting the two vertical rods, the connecting ends of each horizontal rod and the vertical rod are provided with a plurality of adjustment through holes at intervals, and the mounting surface of the mounting rod is provided with a plurality of mounting holes for fixing solar cell modules . the

Through the above structure, the utility model has the following technical effects:

1. The structure is simple, each component is convenient to transport, and can realize solar power supply after rapid assembly;

2. More comprehensive functions, can output a variety of DC and AC, more widely applicable;

3. High safety performance, avoiding damage to various components;

4. The angle of the solar cell is adjustable, suitable for more areas.

The details of the present invention can be obtained from the following description and the accompanying drawings. the

Description of drawings

Fig. 1 shows the composition diagram of the AC and DC solar photovoltaic household power supply system of the utility model. the

Fig. 2 has shown the front schematic view of the cabinet of the present utility model. the

Figure 3 shows a schematic diagram of the back of the cabinet of the present invention. . the

Fig. 4 shows a schematic diagram of Embodiment 1 of the battery holder of the present invention. the

Fig. 5 shows the installation diagram of Embodiment 1 of the battery holder of the present invention. the

Fig. 6 shows a schematic diagram of Embodiment 2 of the battery holder of the present invention. the

Fig. 7 shows the installation diagram of the second embodiment of the battery holder of the present invention. the

Detailed ways

Referring to Fig. 1, it shows a schematic diagram of the composition of the AC and DC solar photovoltaic household power supply system of the present invention. The battery assembly 1 is connected to a charging controller 2, which can convert light energy into electrical energy by using the photoelectric conversion effect, the charging controller 2 is connected to the storage battery 3, the AC converter 4 is connected to the charging controller, and the charging controller 2 receives the The electric energy of the solar cell assembly 1 is used to charge the storage battery 3, and the electric energy of the solar cell assembly 1 or the storage battery 3 can be transmitted to the AC converter 4 to provide electric energy for the load unit 5, which can be a fluorescent lamp, a radio, a TV , fans, etc. the

The solar cell module 1 of this system adopts high-efficiency cells, and the photoelectric conversion efficiency is high; not less than 14.0%, and the high-transmittance low-iron tempered glass has good strength and is resistant to hail. The maximum surface pressure: 5400 Pa, wind resistance: 2.4KN /㎡; The high-strength aluminum alloy frame is corrosion-resistant and does not deform. the

Among them, the battery 3 used in the power storage device of this system is a valve-regulated sealed colloidal battery. Stable performance, high reliability, long service life, strong adaptability to ambient temperature (high and low temperature), strong ability to withstand long-term discharge, cycle discharge, deep discharge and high current discharge, with overcharge and overdischarge self-discharge protection etc. the

Wherein, the charge controller 2, the storage battery 3 and the AC converter 4 are all installed in the case 6, referring to Fig. 2 and Fig. 3, the case 6 is a hollow cabinet, and the charge controller 2, the storage battery 3 and the AC converter are built in it. Converter 4. the

Referring to Fig. 2 and Fig. 3, the chassis 6 is provided with a panel 61, a voltage conversion output device 62, a mobile charger 63, an AC/DC conversion display 64, an AC/DC conversion switch 65, a circuit breaker group 66, a plurality of AC output Interface 67, multiple 12V DC output interfaces 68 and solar battery interface 69, wherein panel 61 may include battery voltage display 611, start/reset switch 612, charging status display and 613 temperature detector 614. the

Wherein, the voltage conversion output device 62 is connected to the AC converter 4 to convert the 12V current into 3V, 4.5V, 6V, 7.5V, and 9V output voltages, and the AC and DC conversion switch 65 is connected to the DC output port for different voltages The DC power load of the level provides power; the AC and DC conversion switch 65 is connected to the AC converter 4 to control the AC converter 4 output to the AC port of the chassis 67, and the AC and DC conversion display 64 is connected to the AC converter. The battery voltage display 611 is connected to the storage battery 3 to detect and display the voltage of the storage battery 3, and the start/reset switch 612 is used to control the charging controller; the charging status display 613 is connected to the charging controller 3 for The charging state of the storage battery 3 is detected and displayed, and the temperature detector 614 is connected to the charging controller 2, the storage battery 3 and the AC converter 4 to detect and display the temperature. the

Wherein, the solar battery interface 69 is connected to the solar battery assembly 1 and the charging controller 2 to deliver the 12V current generated by the solar battery to the charging controller 2, and the plurality of 12 V DC output interfaces 68 are connected to the charging controller 2 to directly Output 12V DC, the multiple AC output interfaces 67 are connected to the AC converter 4 to directly output 220V AC, the circuit breaker group 66 includes a battery circuit breaker 661 connected between the charging controller 2 and the storage battery 3 to provide current protection, The DC circuit breaker 662 connected between the charge controller 2 and the 12 V DC output interface 68 and the AC circuit breaker 663 connected between the AC converter 4 and the AC output interface 67 are used to meet more load requirements. the

Wherein, the mobile charger 63 is connected to the voltage conversion output device 62 for charging the mobile phone. the

Wherein, the solar battery module 1 of this system is installed on the battery support, and Fig. 4 and Fig. 5 have shown an embodiment of this battery support, and this battery support 8 comprises horizontal bar 81 and vertical bar 82 respectively positioned at both sides, and The two vertical bars 82 are fixed to the connecting rod 83 of the cross bar 81, the connection ends of each vertical bar 82 are provided with connection holes, and the connection ends of each cross bar 81 are provided with a plurality of adjustment holes 84 at intervals, and the two ends of the connection rod 83 Insert the connection holes and one of the adjustment holes 84 for connection, the other end of the horizontal bar 81 is provided with a connecting piece 85 for connecting the solar cell assembly, and the other end of the vertical bar 82 is also provided with a connecting piece 85 for connecting the solar cell assembly. Thus, the position of the vertical bar 82 relative to the horizontal bar 81 can be adjusted through the plurality of adjustment holes 84 , thereby adjusting the installation angle of the solar battery module. the

Fig. 6 and Fig. 7 have shown another kind of embodiment of this battery support, and this battery support 9 comprises the horizontal connecting bar 91, the vertical connecting bar 92 and the installation bar 93 that are positioned at both sides respectively, and this horizontal connecting bar 91, vertical connecting bar 92 and the two ends of the mounting rod 93 are connected to each other to form a triangle, and the connecting rod 93 connecting the two vertical connecting rods 92, each connecting end of the horizontal connecting rod 91 and the vertical connecting rod 92 is provided with a plurality of adjustment through holes 94 at intervals , the installation surface of the installation rod 93 is provided with a plurality of installation holes for fixing the solar cell module, and the position of the vertical rod 92 relative to the horizontal rod 91 can be adjusted through a plurality of adjustment through holes 94, so that the installation angle of the solar cell module can be adjusted . the

The AC and DC solar photovoltaic household power supply system of the utility model has the following advantages:

1. The structure is simple, each component is convenient to transport, and can realize solar power supply after rapid assembly;

2. More comprehensive functions, can output a variety of DC, more widely applicable;

3. High safety performance, avoiding damage to various components;

4. The angle of the solar cell is adjustable, suitable for more areas.

Obviously, the above descriptions and records are only examples and not intended to limit the disclosure, application or use of the present utility model. Although the embodiment has been described in the embodiment and described in the accompanying drawings, the utility model is not limited by the examples of the accompanying drawings and described in the embodiment as the best mode currently considered to implement the teaching of the utility model Certain examples, the scope of the present invention shall include any embodiment falling within the foregoing description and appended claims. the

Claims (5)

1. AC and DC type photovoltaic Home Power System, this power-supply system includes solar module, charge controller, storage battery and a-c transducer, this solar module is connected to charge controller, this charge controller is connected to storage battery, this a-c transducer is connected to charge controller, it is characterized in that:

This charge controller, storage battery and a-c transducer all are installed in the cabinet, are provided with panel, voltage transitions output device, AC and DC crossover display terminal, AC and DC change over switch, circuit breaker group, a plurality of interchange output interface, a plurality of 12V direct current output interface and solar cell interface on this cabinet;

This voltage transitions output device is connected to a-c transducer and is the voltage of 3V, 4.5V, 6V, 7.5V, 9V output with the 12V current conversion, and this AC and DC change over switch is connected in the dc output end mouth and thinks that the direct current power load of different electric pressures provides power supply; Panel is provided with cell voltage display, starting/reset switch, charged state display and Temperature Detector, this cell voltage display is connected to storage battery, this charged state display connects charge controller, this starting/reset switch is connected in charge controller and a-c transducer controlling, and Temperature Detector is connected to charge controller, storage battery and a-c transducer with detected temperatures and shows respectively the state of storage battery, charge controller and a-c transducer;

This solar cell interface is connected in solar module and charge controller is delivered to charge controller with the 12V electric current that solar cell is produced, these a plurality of 12 V direct current output interfaces are connected to a-c transducer with direct output 12V direct current, and these a plurality of interchange output interfaces are connected to a-c transducer and exchange with direct output 12V.

2. AC and DC type photovoltaic Home Power System as claimed in claim 1 is characterized in that: this circuit breaker group comprises and is connected between charge controller and the storage battery with battery circuit breaker that current protection is provided, is connected in the dc circuit breaker between a-c transducer and the 12 V direct current output interfaces and is connected in a-c transducer and exchanges AC circuit breaker between the output interface.

3. AC and DC type photovoltaic Home Power System as claimed in claim 1 or 2, it is characterized in that: this storage battery is valve controlling sealed colloid battery.

4. AC and DC type photovoltaic Home Power System as claimed in claim 1 or 2, it is characterized in that: solar module is installed on the battery bracket, this battery bracket comprises cross bar and the montant that lays respectively at both sides, and the connecting rod that two montants is consolidated in cross bar, the link of each montant is provided with connecting hole, the link of each cross bar is interval with a plurality of adjusting holes, connecting hole and one of them adjusting hole are inserted respectively connecting in the two ends of connecting rod, and cross bar is connected the other end and is provided with the connector that connects solar module with montant.

5. AC and DC type photovoltaic Home Power System as claimed in claim 1 or 2, it is characterized in that: solar module is installed on the battery bracket, this battery bracket comprises horizontal extension bar, vertical joint bar and the mounting rod that lays respectively at both sides, the two ends of this horizontal extension bar, vertical joint bar and mounting rod interconnect to form triangle, and the connecting rod that two vertical joint bars are connected, the link of each horizontal extension bar and vertical joint bar is interval with a plurality of adjustment through holes, is provided with the installing hole of a plurality of fixed solar battery components on the installed surface of mounting rod.

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