CN205120934U - Balanced wireless monitoring system of battery - Google Patents

Abstract

The utility model discloses a balanced wireless monitoring system of battery, its characterized in that: including a plurality of front end detecting element and cloud -based services unit, front end detecting element includes embedded controller and a plurality of voltage testing that are connected with embedded controller, a plurality of voltage equalization module, current detection module, temperature detection module, GPRS transport module, LED indicating module, a plurality of voltage testing and a plurality of voltage equalization module pair each other and connect on the multisection battery respectively, LED indicating module includes alarm lamp circuit and communication lamp circuit, the cloud -based services unit includes interconnect's management service hardware and network communication machine, a plurality of front end detecting element all connect the management service hardware communication connection of internet and cloud -based services unit through GPRS transport module. The utility model discloses gather respectively economize on electricity each item data in pond of group battery, adjust floating charge voltage through equalizer circuit, realize equalizing charge, realize the remote real -time monitoring battery status.

Description

Battery equalisation wireless monitor system

Technical field

The utility model relates to a kind of battery equalisation wireless monitor system.

Background technology

Valve controlled sealed lead-acid accumulator (ValveRegulatedLeadAcidBattery) is called for short VRLA accumulator.It is the same with other power supply, is the device that an electric energy and chemical energy are changed mutually, has the features such as technique is easy to grasp, principle is clear, operating temperature range is wide, cheap, along with science and technology is flourish, obtains widespread use.

At present, during battery charging, be carried in through series circuit the voltage often saving accumulator two ends unbalanced, result in part single battery two ends charging voltage too high or too low, damage is caused to battery itself.Along with the increase to battery pack discharge and recharge number of times, the performance difference of each battery in battery pack is by increasing, cause that single battery is aging rapidly even to be damaged, whole accumulator quick aging is caused even to be damaged, and then carry out integral replacing, strengthen accumulator use amount, at substantial resource, also brings harm to environment.

Summary of the invention

For above-mentioned the deficiencies in the prior art part, the utility model provides a kind of battery equalisation wireless monitor system.

To achieve these goals, the technical solution adopted in the utility model is:

Battery equalisation wireless monitor system described in the utility model, is characterized in that: comprise multiple front-end detection unit and back-end services unit,

Multiple voltage detection module that described front-end detection unit comprises embedded controller and is connected with embedded controller, multiple voltage balancing module, current detection module, temperature detecting module, serial communication modular, GPRS transmission module, keyboard input module, LCD display, LED indicating module, described multiple voltage detection module and multiple voltage balancing module mutually match and are connected on multiple batteries, described LED indicating module comprises alarm lamp circuit and communication light circuit, described back-end services unit comprises interconnective management service hardware and network service machine, described multiple front-end detection unit and back-end services unit are all connected with power supply,

Described multiple front-end detection unit is all connected with the management service hardware communications of back-end services unit by GPRS transmission module connecting Internet.

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

Battery equalisation wireless monitor system described in the utility model, gathers every data of each batteries of electric battery, is regulated float charge voltage, realize equalizaing charge by equalizing circuit; By GPRS module, every data are transported to back-end services center, realize remote real time monitoring battery status, be beneficial to the batteries of Timeliness coverage damage and safeguard, being beneficial to and economizing on resources and environmental protection.

Accompanying drawing explanation

Fig. 1 is the system chart of battery equalisation wireless monitor system described in the utility model.

Embodiment

Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.

As shown in Figure 1, battery equalisation wireless monitor system described in the utility model, it is characterized in that: comprise multiple front-end detection unit and back-end services unit, multiple voltage detection module that described front-end detection unit comprises embedded controller and is connected with embedded controller, multiple voltage balancing module, current detection module, temperature detecting module, serial communication modular, GPRS transmission module, keyboard input module, LCD display, LED indicating module, described multiple voltage detection module and multiple voltage balancing module mutually match and are connected on multiple batteries, described LED indicating module comprises alarm lamp circuit and communication light circuit, described back-end services unit comprises interconnective management service hardware and network service machine, described multiple front-end detection unit and back-end services unit are all connected with power supply, described multiple front-end detection unit is all connected with the management service hardware communications of back-end services unit by GPRS transmission module connecting Internet.

In the present embodiment, the quantity of front-end detection unit is 1, and the quantity of voltage detection module, voltage balancing module is 1.Voltage balancing module is for regulating corresponding single battery two ends charging voltage height, and voltage balancing module and voltage detection module are matched and used, and detect corresponding single battery voltage, and under the control of embedded controller, regulate this batteries float charge voltage.LED indicating module comprises alarm lamp circuit and communication light circuit, and communication light circuit comprises the LED lamp circuit that 2 are used to indicate GPRS communication switch state, and red LED lamp is alarm lamp, and yellow LED lamp and green LED lamp are GPRS module relay indicating light.

Battery equalisation wireless monitor system described in the utility model, the every batteries information of voltage of voltage detection module collection is also transported to embedded controller after process, current detection module detects the electric current of electric battery and is transported to embedded controller after process, and temperature detecting module base stations detected temperature information is also transported to embedded controller after process; The average voltage of the real-time voltage of batteries and electric battery contrasts by embedded controller, and then regulates the float charge voltage of batteries by voltage balancing module; Embedded controller calculates internal resistance according to voltage, electric current and conductance, show voltage, electric current, internal resistance and ambient temperature data by LCD display, voltage, electric current, internal resistance and ambient temperature data are transferred to the service database of back-end services unit by timing by GPRS transmission module connecting Internet; Start alarm lamp when the analysis data exception of batteries, transfer data to back-end services unit immediately, to circulate a notice of in time and to safeguard fault simultaneously; Back-end services unit analyzes the performance of every batteries further according to every data, simultaneously as required by every data upload to WEB server to inquire about.

Wherein, single battery charging voltage well-balanced adjustment process, the average voltage of the real-time voltage of each batteries and whole Battery pack is made comparisons by controller, if find that the real-time voltage of certain batteries is higher than average voltage level, the voltage balancing module of this batteries will be started, make the floating current of this batteries fall stream through voltage balancing module, reduce this batteries two ends float charge voltage, slow down over-charging of battery; Meanwhile, other batteries both end voltage in this battery pack will rise, thus optimizes the problem of the batteries both end voltage deficiency of charge less.Wherein, voltage balancing module falls and flows through journey, and embedded controller connects the bypass parallel resistance of the equalizing circuit of this batteries, makes a part of floating current of this batteries flow through bypass parallel resistance.When battery pack is discharged, controller will cut out voltage balancing module.

This timing detects cell voltage, electric current and ambient temperature information, calculates the internal resistance of cell, stores every data, and every data are transferred to back-end services unit by GPRS module (3G/4G module) by timing.

This system starts alarm flow when certain cell voltage, electric current, internal resistance or temperature exceed certain limit, opens alarm lamp, alerting signal is transferred to back-end services unit simultaneously.

IsoSPI twin wire data link is adopted to be connected between this system controller with detection module (voltage detection module, voltage balancing module, current detection module), functional processor is merged into the place away from battery, the simplification of battery module can be realized, reduce the number of elements of each battery electron circuit to greatest extent, improve reliability and the structure optimization of battery management system.

Battery equalisation wireless monitor system described in the utility model, gathers every data of each batteries of electric battery, is regulated float charge voltage, realize equalizaing charge by equalizing circuit; By GPRS module, every data are transported to back-end services center, realize remote real time monitoring battery status, be beneficial to the batteries of Timeliness coverage damage and safeguard, being beneficial to and economizing on resources and environmental protection.

The concrete function of this system is as follows:

1, can single battery voltage in online auto monitoring electric battery.Voltage shows with the precision of 1mV, and the error of actual measurement is less than 3 millivolts (chip value error is less than 1.2 millivolts).

2, while detection voltage, detect battery set charge/discharge electric current, precision 1A, measuring accuracy reaches 1%, judges that battery is in electric discharge, floating charge, all the state such as fills by the current data detected.The data measured are sent to server by GPRS, store away in the FLASH memory of this device interior simultaneously.

3, when battery discharging, every 6 minutes (can arrange) is detected and is stored one-shot battery voltage, electric current, and during floating charge, every 1 hour (can arrange) is detected and stored one-shot battery voltage, electric current.

4, the environment temperature in base station measured by serviceability temperature sensor, and precision 0.1 DEG C, error is less than 1 DEG C.The storage mode of temperature is consistent with store voltages mode.

5, when battery is when discharging, equipment begins through various parameter to calculate single battery capability value, and can be shown on the screen of equipment, and be saved in the FLASH of equipment, precision 1%, error is less than 5%.

6, on-line monitoring battery state-of-health.Set the state (as changed state, recommended replacement state immediately) of several battery, often kind of state correspond to the range of capacity values of battery, when capability value belongs in certain setting range value (this numerical value by serial port setting or can pass through the long-range setting of GPRS module).

7, equalizing charge of battery function, makes the float charge voltage of single battery consistent as much as possible, makes battery reduce the phenomenon of sulfation.

8, data storage function, equipment can will collect data storing, can inquire these data at any time by software, also can analyze battery state-of-health by these data.

9, LCD screen Presentation Function, demonstrates data and the parameter of various measurement and setting, and split screen shows, and button switches.

10, watchdog function, when system occur cannot recover wrong time, house dog is restarting systems immediately.

11, calculate the internal resistance of cell, by multiple discharge, coordinate the electric conductivity value (needing during erecting equipment to use close special conductivity meter to carry out manual measurement) of server end, gone out the internal resistance value of battery by cell voltage, electric current and environment temperature numerical evaluation.Calculated at server end by conductance and internal resistance numerical value, reach the object more precisely checking battery quality.

12, GPRS data and application program upload download function, the data of the various measurement of uploading device, download various data that equipment is arranged and upgrade application program.

13, setting and export function, directly check the output data of equipment by serial ports cable, takes out the historical data of the preservation in FLASH.

14, prompt facility after cable broken string, when equipment occurs that cable disconnects, the prompting such as network failure center-side carries out processing (matching management system software completes).

15, the function of screen page turning is forward or backward realized by the spring-loaded pushbutton above housing.

16, initial function is recovered when changing bad battery.Enter by arranging button interface is set has come.

17, be numbered to battery, and its position is described.As, 2015-24-00001 represents the equipment of 24, numbering 00001.

18, equipment date and time is by during GPRS communication automatically and server sync.

Claims (1)

1. a battery equalisation wireless monitor system, is characterized in that: comprise multiple front-end detection unit and back-end services unit,

Multiple voltage detection module that described front-end detection unit comprises embedded controller and is connected with embedded controller, multiple voltage balancing module, current detection module, temperature detecting module, serial communication modular, GPRS transmission module, keyboard input module, LCD display, LED indicating module, described multiple voltage detection module and multiple voltage balancing module mutually match and are connected on multiple batteries, described LED indicating module comprises alarm lamp circuit and communication light circuit, described back-end services unit comprises interconnective management service hardware and network service machine, described multiple front-end detection unit and back-end services unit are all connected with power supply,

Described multiple front-end detection unit is all connected with the management service hardware communications of back-end services unit by GPRS transmission module connecting Internet.