CN207765578U - A kind of remote new energy base station battery protective device - Google Patents

Abstract

The utility model discloses a kind of remote new energy base station battery protective devices, it is related to battery protecting apparatus, the utility model is when in use, relay is accessed in the supply line of inessential electrical equipment, power module is the battery pack for power supply, when the voltage of power module reduces, operational amplifier U1 outputs signal to Hall sensor, the subsequent output voltage signal of Hall sensor enters MCU by the ports ADC, after lower voltage limit being set in MCU, MCU according to obtained voltage signal come control relay whether break-make, also it can pass through the break-make of GPRS module remote control relay, the time be may also set up in MCU to control the make-and-break time of relay.

Description

A kind of remote new energy base station battery protective device

Technical field

The utility model is related to battery protecting apparatus, and in particular to a kind of remote new energy base station battery protective device.

Background technology

In meagrely-populated area, in order to ensure communication quality, countless communication base stations is established, since these areas are big absolutely Majority is not all covered by power grid, therefore such communication base station is all made of solar energy with wind energy as the energy.Sunny or In the case that person's wind-force is powerful, energy, a part of supply arrangement operation are obtained using solar energy and wind-driven generator, a part is deposited It is stored in battery pack.It is powered again to the time-division at night using the electric energy that battery pack stores.

Remote new energy base station continuously-running in the case of energy supply abundance, but due to the use of lead accumulator, Therefore due to the electrode polarization of lead accumulator after long-play.This can cause the whole volume of battery pack to decline, directly Most of base station is caused in the time-division at night without the available awkward situation of electricity.Although most of base station equipment is owned by low power operation Standby capacity, but it is standby in loss be still very huge for base station.

Existing remote new energy base station is all made of lead accumulator and carries out power storage, this is inevitably because of lead electric power storage Some characteristics in pond and cause base station operation it is abnormal：

1, since the electrolyte of lead accumulator is water, and water is easy to freeze at low temperature, remote new energy base station installation ground Location belongs to the high area of height above sea level latitude, this causes day and night temperature big, and annual 0 degree Celsius of time below of temperature is longer, this The electrolyte in battery can be made to freeze, damage battery；

2, it due to the characteristic of lead accumulator, can polarize after use for a long time and overdischarge, this can be substantially reduced The service life of lead accumulator, and exactly these base stations obtain the depth of discharge tune of battery to ensure the reliability of communication Higher, this makes battery easily polarize, and then electrode is caused to vulcanize, and further reduces battery life.

Utility model content

The utility model aim is to solve above-mentioned problems, and the utility model provides a kind of remote new energy base station Battery protecting apparatus；It can close inessential electrical equipment according to time conditions or voltage conditions when applying by Local or Remote The discharge capacity for carrying out regulating cell group also ensures the run time of necessaries while ensureing the depth of discharge of battery pack.

The purpose of this utility model is achieved through the following technical solutions：

A kind of remote new energy base station battery protective device, including MCU, GPRS module, voltage detection module, relay and Power module, the power module are that MCU, GPRS module, voltage detection module and relay are powered, the GPRS module, electricity Pressure detection module, relay are connect with MCU, the MCU can by the voltage detected by voltage detection module come control after The break-make of electric appliance, MCU can also control the break-make of relay by GPRS module received signal.

Further, the voltage detection module includes operational amplifier U1, Hall sensor, resistance R24, capacitance C18 And relay, the positive and negative both ends of power module are connect with the normal phase input end of operational amplifier U1 and inverting input respectively, fortune One end of the output end and Hall sensor of calculating amplifier U1 connects, the other end of the Hall sensor and the one of resistance R24 End connection, the MCU includes the ports ADC, the ports ADC of the other end access MCU of the resistance R24, and the one of the capacitance C18 The other end of end ground connection, capacitance C18 accesses on the circuit of the ports ADC connection of resistance R24 and MCU, the Hall sensor Output voltage signal enters MCU by the ports ADC of MCU；The relay includes control terminal, input terminal and output end, MCU with The control terminal of relay connects and the signal that is received according to the ports ADC of MCU controls relay input terminal and output end Break-make.

Further, the GPRS module includes GPRS modules U4, the GPRS modules U4 be equipped with antenna pedestal IPEX1 and Drawer type SIM card socket, the MCU include the ports RS232, and MCU passes through the ports RS232 and GPRS module U4 connection communications.

By using the utility model, following advantageous effect can be generated：When the utility model is used, relay is connect In the supply line for entering inessential electrical equipment, power module is the battery pack for power supply, when the voltage drop of power module When low, operational amplifier U1 outputs signal to Hall sensor, the subsequent output voltage signal of Hall sensor by the ports ADC into Enter MCU, after setting lower voltage limit in MCU, MCU according to obtained voltage signal come control relay whether break-make, also may be used By the break-make of GPRS module remote control relay, the time is may also set up in MCU to control the make-and-break time of relay.

Description of the drawings

Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：

Fig. 1 is the partial circuit diagram of the utility model；

Fig. 2 is the pinouts of MCU in the utility model；

Fig. 3 is the utility model drawer formula SIM card holder circuit diagram；

Fig. 4 is the circuit diagram of GPRS module in the utility model.

Specific implementation mode

To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.

As shown in figures 1-4, a kind of remote new energy base station battery protective device, including MCU, GPRS module, voltage detecting Module, relay and power module, power module MCU, GPRS module, voltage detection module and relay power supply, GPRS moulds Block, voltage detection module, relay are connect with MCU, MCU can by the voltage detected by voltage detection module come control after The break-make of electric appliance, MCU can also control the break-make of relay by GPRS module received signal.Voltage detection module includes Operational amplifier U1, Hall sensor, resistance R24, capacitance C18 and relay, the positive and negative both ends of power module respectively with operation The normal phase input end of amplifier U1 is connected with inverting input, and the output end of operational amplifier U1 and one end of Hall sensor connect It connects, the other end of Hall sensor is connect with one end of resistance R24, and MCU includes the ports ADC, the other end access of resistance R24 The ports ADC of MCU, one end ground connection of capacitance C18, the ports the ADC connection of the other end access resistance R24 and MCU of capacitance C18 On circuit, the output voltage signal of Hall sensor enters MCU by the ports ADC of MCU；Relay includes control terminal, input The control terminal of end and output end, MCU and relay connects and the signal that is received according to the ports ADC of MCU controls relay The break-make of input terminal and output end.GPRS module includes that GPRS modules U4, GPRS module U4 is equipped with antenna pedestal IPEX1 and drawer Formula SIM card holder, MCU include the ports RS232, and MCU passes through the ports RS232 and GPRS module U4 connection communications.

Specifically, MCU uses STM32F103C8T6 for core, it is additionally provided with high-precision band temperature compensation on MCU and repays clock chip, Its time precision 0.2s/D, keeps its time control accurate, supports remote parameter setting, remote timing function.

Such as Fig. 1, operational amplifier U1 includes first, second, third and fourth, eight ports, and first port is output end, third port It is respectively normal phase input end and inverting input with second port, is additionally provided on the circuit that power module is connect with third port Resistance R5 and resistance R7 is additionally provided with resistance R6 and resistance R11 on the circuit that power module is connect with second port, in resistance R5 and Capacitance C4 and diode D3, the other end ground connection of capacitance C4 and diode D3 are also parallel between resistance R7；In resistance R6 and electricity Capacitance C8 and diode D4, the other end ground connection of capacitance C8 and diode D4 are also parallel between resistance R11.Further include capacitance C6, Its both ends is connected in second port and third port respectively, and resistance is also parallel on the circuit that resistance R7 is connected with third port The other end of R2, resistance R2 are grounded.Further include resistance R13, phase both ends are connected respectively at second port with first port.Further include Resistance R8, one end ground connection, the other end access on the circuit that first port is connect with Hall sensor.Hall sensor passes through RC ADC outputs are done after filter circuit.Such as the pin schematic diagram that Fig. 1,2, Fig. 2 are MCU, the tenth port is as the ports ADC.

Claims (3)

1. a kind of remote new energy base station battery protective device, it is characterised in that：Including MCU, GPRS module, voltage detecting mould Block, relay and power module, the power module is that MCU, GPRS module, voltage detection module and relay are powered, described GPRS module, voltage detection module, relay are connect with MCU, and the MCU can pass through the electricity detected by voltage detection module It presses to control the break-make of relay, MCU can also control the break-make of relay by GPRS module received signal.

2. a kind of remote new energy base station battery protective device according to claim 1, it is characterised in that：The voltage inspection It includes operational amplifier U1, Hall sensor, resistance R24, capacitance C18 and relay, the positive and negative both ends of power module to survey module It is connect respectively with the normal phase input end of operational amplifier U1 and inverting input, the output end and hall sensing of operational amplifier U1 One end of device connects, and the other end of the Hall sensor is connect with one end of resistance R24, and the MCU includes the ports ADC, institute State the ports ADC of the other end access MCU of resistance R24, one end ground connection of the capacitance C18, the other end access electricity of capacitance C18 It hinders on the circuit of the ports ADC connection of R24 and MCU, the ports ADC that the output voltage signal of the Hall sensor passes through MCU Into MCU；The relay includes control terminal, input terminal and output end, the control terminal connection of MCU and relay and according to MCU The ports the ADC signals that receive control the break-make of relay input terminal and output end.

3. a kind of remote new energy base station battery protective device according to claim 1, it is characterised in that：The GPRS moulds Block includes GPRS modules U4, and the GPRS modules U4 is equipped with antenna pedestal IPEX1 and drawer type SIM card socket, and the MCU includes The ports RS232, MCU pass through the ports RS232 and GPRS module U4 connection communications.