CN204290440U - A kind of multifuctional solar communication equipment charger - Google Patents

Abstract

The utility model discloses a kind of multifuctional solar communication equipment charger, it is characterized in that composition comprises: control unit, commutation circuit, filter circuit, step-down, rectification and filter circuit, charging circuit, photosensitive switch, storage battery, communication interface and touch-screen.The utility model can utilize solar panel charging energy-storing when fine day has sunlight, and the cloudy day there is not during sunlight and utilizes the energy storage of 220V alternating current charging, thus realizes providing temporary power when emergency first-aid repair to communication equipment, ensures that emergency first-aid repair fast carries out smoothly.

Description

A multifunctional solar energy communication equipment charger

technical field

The utility model relates to a charging device, in particular to a multifunctional solar energy communication device charger.

Background technique

At present, my country's power system is developing rapidly in the direction of large power grid, high reliability, and high automation level, and puts forward new high requirements for the automation and intelligent monitoring of power grid operation. The reliable operation of the communication network is to ensure the operation of the power grid. Critical issues for reliable monitoring.

The modern communication network has become one of the most important infrastructures supporting the modern economy, and the communication equipment is the key node supporting the communication network. A safe and reliable power supply is an important condition to ensure the normal operation of the communication equipment.

At present, communication equipment is mainly powered by 220V AC power supply. When the mains power fails, the communication equipment cannot work normally. In some application places, a backup power supply is introduced to ensure emergency power supply during power outages. However, due to the limited capacity of the backup power supply, the normal operation of communication equipment cannot be guaranteed when the power outage lasts for a long time.

Solar energy is the most abundant energy available to human beings, and it can be developed and utilized no matter where, and there is no problem of transportation. Solar energy is also a kind of clean energy. When it is developed and utilized, it will not produce waste residue, waste water and waste gas, nor will it cause noise, nor will it affect the ecological balance. Solar energy is a renewable and clean energy, and its development and utilization are of great significance to my country's economic development and environmental protection.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides a multifunctional solar communication equipment charger, in order to provide temporary power supply to the communication equipment during emergency repair, and ensure the rapid and smooth emergency repair.

The utility model adopts following technical scheme for solving technical problems:

The utility model is a multifunctional charger for solar energy communication equipment, which is characterized in that it consists of a control unit, a switching circuit, a filter circuit, a step-down, rectification and filter circuit, a charging circuit, a photosensitive switch, a storage battery, a communication interface and a touch screen;

The step-down, rectification and filtering circuit is used to perform voltage conversion, rectification and filtering on the input 220V AC, and obtain the first DC charging power supply to output to the switching circuit;

The filtering circuit is used to filter the direct current output by the solar panel, and obtain a second direct current charging power source to output to the switching circuit;

The switching circuit is used to implement switching control of the first DC charging power supply and the second DC charging power supply;

The control unit uses the photosensitive switch to monitor the intensity of sunlight in real time, so as to control the switching circuit to output the first DC charging power supply or output the second DC charging power supply to the charging circuit for charging the storage battery ; The control unit simultaneously monitors the voltage and current of the storage battery, thereby controlling the charging process of the storage battery;

The communication interface is used for remote monitoring and control;

The touch screen is used for field parameter input and status display.

The multifunctional solar energy communication equipment charger described in the utility model is characterized in that:

The control unit adopts ARM chip LPC2136 as the controller.

The communication interface adopts the RS485 bus interface circuit extended by MAX3072 to realize the remote communication function.

Compared with the prior art, the beneficial effects of the utility model are reflected in:

1. The utility model has the characteristics of small size and portability, and can quickly and timely provide temporary power supply to communication equipment during emergency repairs, thereby ensuring fast and smooth emergency repairs and greatly improving the safe operation level of substations. It can also be used in other fields and has a wide range of applications.

2. The utility model realizes the switching between solar charging and 220V AC charging through the switching circuit. It has the automatic switching function of using solar panels to charge and store energy when there is sunshine on sunny days, and using 220V AC to charge and store energy when there is no sunshine on cloudy days. The charging process of the battery can be completed under different external environments, which not only improves the reliability and flexibility of the power supply of the communication equipment, but also has the effect of energy saving and environmental protection, and has high economic and social benefits.

3. The utility model uses the communication interface to realize information networking; the RS485 communication interface can be used to monitor the status of the charger and realize corresponding remote control through remote communication, so as to realize remote 24h all-weather monitoring, thereby improving the reliability and reliability of operation. Ease of use.

Description of drawings

Fig. 1 is a structural block diagram of the utility model system;

Fig. 2 is the schematic diagram of the RS485 bus interface circuit expanded by the utility model.

Detailed ways

In this embodiment, as shown in Figure 1, a multi-functional solar energy communication equipment charger is a backup power supply and charging device that is used to provide temporary power supply to communication equipment during emergency repair of power supply equipment, and to ensure fast and smooth emergency repair. The composition includes: control unit, switching circuit, filter circuit, step-down, rectification and filter circuit, charging circuit, photosensitive switch, large-capacity battery, communication interface and touch screen;

The step-down, rectification and filtering circuit is used to perform voltage conversion, rectification and filtering on the input 220V AC, and obtain the first DC charging power output to the switching circuit;

The filtering circuit is used to filter the direct current output by the solar panel, and obtain the second direct current charging power supply to output to the switching circuit;

The switching circuit is used to realize the switching control of the first DC charging power supply and the second DC charging power supply;

The control unit is used to realize the control of the entire charger; in the specific implementation, the control unit uses the ARM7 single-chip microcomputer LPC2136 chip as the controller; it is used to monitor the sunlight intensity and battery capacity in real time, and realize the control operation of the automatic switching of the working mode and the charging power supply. The specific working process is as follows:

The control unit monitors the capacity of the storage battery in real time to determine whether the charging operation of the storage battery needs to be realized through the charging circuit; the control unit uses a photosensitive switch to monitor the intensity of sunlight in real time, thereby controlling the switching circuit to output the first DC charging power supply or Outputting the second DC charging power supply to the charging circuit for charging the large-capacity battery; specifically, when the photosensitive switch detects sunlight, that is, when it is sunny, the control unit controls the switching circuit to switch the second DC charging power supply output to the charging circuit It is used to charge a large-capacity battery; when the photosensitive switch does not detect sunlight, which means it is cloudy, the control unit controls the switching circuit to switch the first DC charging power output to the charging circuit for charging the large-capacity battery; at the same time, the control unit Monitor the voltage and current of the large-capacity battery to control the charging process of the large-capacity battery;

The communication interface is used for remote monitoring and control with the computer; as shown in Figure 2, in the specific implementation, the communication interface adopts the RS485 bus interface circuit extended by MAX3072 to realize the remote communication function, so as to monitor the status of the charger and realize the corresponding remote control. The TXD pin and the RXD pin are the data output and data input pins of the serial port 0 of the ARM chip, and the 485CTR is the output pin of the ARM chip, which is used to control the sending or receiving enable of the MAX3072.

The touch screen is used for field parameter input and status display. In the specific implementation, a 5-inch LCD touch screen with 800×480 pixels and 65K colors is selected to realize the functions of input operation and display, and the interface is friendly.

Claims (3)

1. A multifunctional solar energy communication device charger, characterized in that the composition includes: a control unit, a switching circuit, a filter circuit, a step-down, rectification and filter circuit, a charging circuit, a photosensitive switch, a storage battery, a communication interface and a touch screen; The step-down, rectification and filtering circuit is used to perform voltage conversion, rectification and filtering on the input 220V AC, and obtain the first DC charging power supply to output to the switching circuit; The filtering circuit is used to filter the direct current output by the solar panel, and obtain a second direct current charging power source to output to the switching circuit; The switching circuit is used to implement switching control of the first DC charging power supply and the second DC charging power supply; The control unit uses the photosensitive switch to monitor the intensity of sunlight in real time, so as to control the switching circuit to output the first DC charging power supply or output the second DC charging power supply to the charging circuit for charging the storage battery ; The control unit simultaneously monitors the voltage and current of the storage battery, thereby controlling the charging process of the storage battery; The communication interface is used for remote monitoring and control; The touch screen is used for field parameter input and status display. 2. The multifunctional solar energy communication device charger according to claim 1, wherein the control unit adopts an ARM chip LPC2136 as a controller. 3. A charger for multifunctional solar energy communication equipment according to claim 1, characterized in that: the communication interface adopts the RS485 bus interface circuit extended by MAX3072 to realize the remote communication function.