CN207896720U - Collecting device photovoltaic emergency electric system - Google Patents

Abstract

The utility model relates to a photovoltaic standby power supply system for collection equipment, which comprises a solar photovoltaic panel installed on an electric pole and an equipment integration box. A solar controller connected with the solar photovoltaic panel is installed in the equipment integration box. connected to the battery and the timing controller respectively, the outputs of the battery and the timing controller are connected to the inverter after passing through the relay controller, the output of the inverter is connected to the dual power controller, and the dual power controller is connected to the market at the same time The AC220V power supply of the electricity is connected, and the dual power supply controller realizes the mutual switching between the mains power and the battery power. The output of the dual power supply controller is connected to the acquisition device through the AC220V output terminal. The utility model has stable performance, simple structure and convenient replacement, which guarantees the continuous operation of the collection equipment to the greatest extent and escorts the improvement of the collection success rate of the equipment.

Description

Photovoltaic backup power supply system for collection equipment

technical field

The utility model belongs to the technical field of photovoltaic power generation equipment, in particular to a photovoltaic standby power supply system for collection equipment.

Background technique

Various collection devices of the power system are an important part of the power system to keep track of the entire large system. Various collection devices working in the field continuously gather system data to the data collection and processing center of the power grid. Among the current collection devices, the equipment There are many kinds of power supply, some use the electric power of the grid itself, some use battery packs to supply power, and some use wind energy and solar energy to supply power. The solar power supply uses photovoltaic power generation technology to generate a certain electromotive force under light conditions. The modules are connected in series and parallel to form a square array of solar cells, so that the voltage of the square array can meet the requirements of the input voltage of the system. However, the current structure of solar energy is relatively complex, the efficiency of power conversion and storage is not high, and there is no time-based power switching. Therefore, a highly integrated, stable and reliable photovoltaic system is needed.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a photovoltaic standby power supply system for collection equipment.

The utility model solves its technical problem and realizes by taking the following technical solutions:

A photovoltaic backup power supply system for collection equipment, including a solar photovoltaic panel installed on a pole and an equipment integration box, the equipment integration box is respectively connected to the solar photovoltaic panel and the AC220V power supply of the mains, and installed in the equipment integration box There is a solar controller connected to the solar photovoltaic panel, and the solar controller is respectively connected to the storage battery to realize the charging of the storage battery by the solar photovoltaic panel, and is connected to the timing controller. The output of the timing controller is connected to the inverter after passing through the relay controller. The inverter converts the DC power of the battery into AC power in different periods of time. The output of the inverter is connected to the dual power controller, and the dual power controller simultaneously It is connected with the AC220V power supply of the mains, and the dual power controller realizes the mutual switching of the mains and battery power, and the output of the dual power controller is connected with the acquisition device through the AC220V output terminal.

Moreover, the AC220V output terminal is connected to a transformer, and the AC220V output is converted into AC110V to provide power for the collection equipment.

Moreover, the dual power supply controller uses mains power as the main power when the mains power is connected, and automatically switches to the battery power supply instantly when the mains power is disconnected; or manually intervenes in the switching between the mains power and the backup battery power supply.

Moreover, the timing controller will be set to 10 periods per day.

Advantage and positive effect of the present utility model are:

1. The utility model can provide a steady stream of energy for the use of the collection equipment. Compared with the traditional power supply system, it ensures the continuous operation of the collection equipment to the greatest extent by switching between the mains power supply and escorts the improvement of the collection success rate of the equipment.

2. The utility model is composed of multiple parts and has a simple structure. According to different needs, the energy storage battery and inverter can be flexibly configured and replaced easily.

3. The small transformer configured in the utility model can output two voltage levels of 100V and 220V at the same time, meeting the needs of metering equipment with different voltage levels.

4. The utility model has a timing controller, and the timing controller is set to 10 time periods per day (the time period setting is accurate to seconds), so as to ensure that the acquisition equipment can meet the needs of stopping and powering up at any time according to the site and actual conditions. The introduction of this function can fully guarantee the requirement of power-off and power-on of load equipment at any time, and can greatly save energy storage and increase the power supply duration of the power supply system.

Description of drawings

Fig. 1 is the installation structure schematic diagram of the present utility model;

Fig. 2 is the electrical principle block diagram of the present utility model.

Detailed ways

The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings. It should be emphasized that the following embodiments are illustrative rather than restrictive, and should not be used as limitations of the present invention.

A photovoltaic backup power supply system for collection equipment, as shown in Figure 1 or 2, includes a solar photovoltaic panel 1 installed on a pole and an equipment integration box 2, and the equipment integration box is connected to the solar photovoltaic panel and the AC220V power supply of the mains respectively connection, a solar controller connected to the solar photovoltaic panel is installed in the equipment integration box, and the solar controller is respectively connected to the battery to realize the charging of the battery by the solar photovoltaic panel, connected to the timing controller, and the timing controller controls the daily The time is managed in sections. The output of the battery and the timing controller is connected to the inverter after passing through the relay controller. The power supply controller is connected, and the dual power supply controller is connected to the AC220V power supply of the mains at the same time. The dual power supply controller realizes the mutual switching between the mains power supply and the battery, and the output of the dual power supply controller is connected to the load through the AC220V output terminal.

In the specific implementation of the utility model, the AC220V output terminal is connected with a transformer, and the AC220V output is converted into AC110V to provide power for the load.

In the specific implementation of the utility model, the dual power supply controller takes the mains power as the main power when the mains power is connected, and automatically switches to the battery power supply instantly when the mains power is disconnected; or manually intervenes in the switching between the mains power and the backup battery power supply .

In the specific implementation of the utility model, the timing controller is set to 10 time periods per day, so as to ensure that the acquisition equipment can meet the needs of power-off and power-on at any time according to the site and actual conditions. The introduction of this function can fully guarantee the requirement of power-off and power-on of load equipment at any time, and can greatly save energy storage and increase the power supply duration of the power supply system.

Claims (4)

1. A photovoltaic backup power supply system for collection equipment, comprising a solar photovoltaic panel and an equipment integration box installed on an electric pole, the equipment integration box is respectively connected with the solar photovoltaic panel and the AC220V power supply of the mains, and is characterized in that: A solar controller connected to the solar photovoltaic panel is installed in the integrated box of the above-mentioned equipment, and the solar controller is respectively connected to the battery to realize the charging of the battery by the solar photovoltaic panel, and is connected to the timing controller, and the timing controller divides the time of each day Management, the output of the battery and timing controller is connected to the inverter through the relay controller, and the inverter converts the DC power of the battery into AC power in different periods of time, and the output of the inverter is connected to the dual power supply controller , The dual power controller is connected to the AC220V power supply of the mains at the same time, the dual power controller realizes the mutual switching of the mains and battery power, and the output of the dual power controller is connected to the acquisition device through the AC220V output terminal. 2. The photovoltaic backup power supply system for collection equipment according to claim 1, characterized in that: the AC220V output terminal is connected to a transformer, and the AC220V output is converted to AC110V to provide power for the collection equipment. 3. The photovoltaic backup power supply system for collection equipment according to claim 1, characterized in that: the dual power supply controller uses mains power as the main power when the mains power is connected, and automatically switches to the battery power supply instantly when the mains power is disconnected; Or manually intervene in switching between mains power and backup battery power. 4. The photovoltaic backup power supply system for collection equipment according to claim 1, characterized in that: the timing controller sets 10 time periods per day.