CN204479719U - The detection alarm device of poly-lithium battery - Google Patents

Abstract

The utility model discloses a kind of detection alarm device of poly-lithium battery, it is characterized in that: comprising: voltage collection circuit, voltage collection circuit comprises the separate voltage measurement terminal of N group; Wherein N is the natural number between 2 ~ 6; Voltage collection circuit is electrically connected with power management module; Data processing module, the single-chip microcomputer of data processing module to be model be STC12LE5A08AD, the I/O port of data processing module is electrically connected with the lead-out terminal of voltage collection circuit; Alarm module, described alarm module comprises double-colored alarm lamp and alarm buzzer; The I/O port of data processing module is electrically connected with double-colored alarm lamp and alarm buzzer respectively; Data analysis module, the single-chip microcomputer of described data analysis module to be model be STC12, the I/O port of described data analysis module is electrically connected with data processing module, voltage display module respectively; Described voltage display module is 3 Digital sum display tubes.

Description

The detection alarm device of poly-lithium battery

Technical field

The utility model relates to poly-lithium battery technical field, particularly relates to a kind of detection alarm device of poly-lithium battery.

Background technology

Battery, as power supply energy storage device the most frequently used in daily life, is widely used in the middle of all kinds of portable electronic device.The various research and development also promoted for power-supply unit used by field of its battery variety.

As everyone knows, lithium ion battery can be divided into liquid lithium ionic cell (lithium ion battery, referred to as LIB) and the large class of polymer Li-ion battery (polymer lithium ion battery, referred to as LIP) two.Polymer Li-ion battery has had the time of several years in the ripe and commercialization of global technology, although sales volume is in quick growth, its market share still lower than 10%, with the market share of liquid lithium electricity 90% cannot compared with, be significantly less than the expection of people.Due to a variety of causes, the price of polymkeric substance is generally higher than liquid lithium electricity in the market, but, because the competitive mode of movable electrical appliances changes stealthily, the design value that particularly polymer battery brings to movable electrical appliances innovates (as the superior function below 4mm thickness, large-scale size battery cell), polymer battery just be familiar with by designers such as increasing mobile phone, mobile DVD, thus polymkeric substance manufacturer or very confident, believes firmly that the epoch of polymkeric substance are bound to arrive.Can from the development trend of polymer Li-ion battery viewed from the development of mobile phone.At present, the checkout equipment being directed to common battery is many, but the pick-up unit being aimed at polymer Li-ion is more rare, along with constantly popularizing of poly-lithium battery, in order to ensure the security performance of polymer Li-ion, the detection alarm device therefore designing and developing the good poly-lithium battery of a kind of security performance seems particularly important.

Utility model content

The technical problems to be solved in the utility model is: the detection alarm device providing the poly-lithium battery that a kind of security performance is good, easy to use.

The technical scheme that the utility model is taked for the technical matters existed in solution known technology is:

A detection alarm device for poly-lithium battery, is characterized in that: comprising:

Voltage collection circuit, described voltage collection circuit comprises the separate voltage measurement terminal of N group; Wherein N is the natural number between 2 ~ 6; Described voltage collection circuit is electrically connected with power management module;

Data processing module, the single-chip microcomputer of described data processing module to be model be STC12LE5A08AD, the I/O port of described data processing module is electrically connected with the lead-out terminal of voltage collection circuit;

Alarm module, described alarm module comprises double-colored alarm lamp and alarm buzzer; The I/O port of described data processing module is electrically connected with double-colored alarm lamp and alarm buzzer respectively;

Data analysis module, the single-chip microcomputer of described data analysis module to be model be STC12, the I/O port of described data analysis module is electrically connected with data processing module, voltage display module respectively; Described voltage display module is 3 Digital sum display tubes.

The advantage that the utility model has and good effect are: by adopting technique scheme, the utility model can realize the real-time monitoring to multiple polymer lithium cell electric pressure rapidly, and monitored results is shown by voltage display module; Meanwhile, when there is hidden danger, the utility model can also utilize alarm module to send alerting signal.

Accompanying drawing explanation

Fig. 1 is structured flowchart of the present utility model;

Fig. 2 is partial circuit diagram of the present utility model, is mainly used in the structure showing voltage collection circuit;

Fig. 3 is partial circuit diagram of the present utility model, is mainly used in the circuit structure showing data processing module.

Embodiment

For utility model content of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:

Refer to Fig. 1, Fig. 2, Fig. 3: a kind of detection alarm device of poly-lithium battery, comprising:

Voltage collection circuit, described voltage collection circuit comprises the separate voltage measurement terminal of N group; Wherein N is the natural number between 2 ~ 6; Described voltage collection circuit is electrically connected with power management module; As shown in Figure 2, common mode measuring resistance design that what this voltage collection circuit was used is, uses common mode measuring resistance point platen press to detect 6 joint series polymerizations thing lithium battery group voltages simultaneously, common mode measuring resistance be the multiple input end of amplifier in parallel time resistance over the ground.Transistor is made to the integrated transporting discharging of input stage, Ric is two number magnitude higher than Rid usually.Adopt field effect transistor, input stage operational amplifier Ric is suitable with Rid numerical value.In Fig. 1, resistance uses the precision resistance of 1% to carry out dividing potential drop, decays after each point voltage, be delivered to data processing module module in 1/8 ratio;

Data processing module, the single-chip microcomputer of described data processing module to be model be STC12LE5A08AD, the I/O port of described data processing module is electrically connected with the lead-out terminal of voltage collection circuit; As shown in Figure 3, data processing module uses the single-chip microcomputer STC12LE5A08AD of supply voltage 3.3V as control chip, and this single-chip microcomputer carries 10,8 tunnel AD and can gather voltage signal, controls each output function simultaneously.The expansion circuit at external device (ED): external high-frequency signal source of clock improves the ageing of Signal transmissions, Voltage stabilizing module external chip powers LED with the operating state of display chip, external Control of Voltage button, for the setting of electric battery minimum voltage limit, uses the problem that different hardware scheme is measured under solving battery voltage different situations.Wherein battery voltage detection circuit connection V1 ~ V6 is responsible for respectively in analog to digital conversion terminal ADC2 ~ 7, RST carries out reset and arranges, terminals P 3.4, terminals P 3.5 is connectivity port LED_K1 respectively, port LED_K2 controls two pins of the double-colored conversion of diode, terminals P 3.6, terminals P 3.7 is connectivity port BUZ_Control1 respectively, port BUZ_Control2 controls the running of buzzer warning module, voltage terminal VCC pin+3.3V powers the denoising of series capacitance ground connection, terminals P 0.1 ~ P0.7 exports the sub-D0 ~ D7 of data cube computation three Digital sum pipe end of charactron, terminals P 4.1 pin is responsible for connecting a pull-up resistor outside the connection also of external button and is protected this pin, terminals P 2.5 ~ P2.7 pin exports electric signal and amplifies through miniwatt NPN type triode 9013 pairs of circuital currents, pass through, terminal A1, terminal A2, terminal A3 tri-circuits carry out transmitting data are sent to terminal P3.0 in digital display tube, terminals P 3.1 two pins becomes serial port module with both positive and negative polarity sets of lines, port x TAL1, port x TAL2 external clock module, 12MHz crystal oscillator of connecting between two pins carries out filtering interfering to clock signal connecing a resonant capacitance ground connection respectively.

Alarm module, described alarm module comprises double-colored alarm lamp and alarm buzzer; The I/O port of described data processing module is electrically connected with double-colored alarm lamp and alarm buzzer respectively; The output signal transmission of alarm module gives double-colored alarm lamp and alarm buzzer two module devices, double-colored alarm lamp is a red and green color paster LED (3.2*2.7 millimeter), and when cell voltage reaches predetermined dangerous values, LED can discoloration prompt user battery electric quantity deficiency.Two hummers meanwhile pre-set equally also can be reported to the police.Above-mentioned to when judging dangerous values that whether cell voltage reaches predetermined, directly can adopt the comparison module in the single-chip microcomputer of STC12LE5A08AD, also can between the single-chip microcomputer of STC12LE5A08AD and alarm module, increase comparer and realize.

The signal source of hummer carries out signal amplification, 40V, 200mA, 1W, characteristic frequency 250MHz by general miniwatt positive-negative-positive triode 3096, then series protection device avoids over-current and-load

Data analysis module, the single-chip microcomputer of described data analysis module to be model be STC12, the I/O port of described data analysis module is electrically connected with data processing module, voltage display module respectively; Described voltage display module is 3 Digital sum display tubes.

Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.

Claims (1)

1. a detection alarm device for poly-lithium battery, is characterized in that: comprising:

Voltage collection circuit, described voltage collection circuit comprises the separate voltage measurement terminal of N group; Wherein N is the natural number between 2 ~ 6; Described voltage collection circuit is electrically connected with power management module;

Data processing module, the single-chip microcomputer of described data processing module to be model be STC12LE5A08AD, the I/O port of described data processing module is electrically connected with the lead-out terminal of voltage collection circuit;

Alarm module, described alarm module comprises double-colored alarm lamp and alarm buzzer; The I/O port of described data processing module is electrically connected with double-colored alarm lamp and alarm buzzer respectively;

Data analysis module, the single-chip microcomputer of described data analysis module to be model be STC12, the I/O port of described data analysis module is electrically connected with data processing module, voltage display module respectively; Described voltage display module is 3 Digital sum display tubes.