CN205901391U - Multifunctional intelligent mobile power supply - Google Patents

Abstract

The utility model discloses a multifunctional intelligent mobile power supply. Including portable power source shell, control system and battery electricity core. Does control system include DC DC lift volt circuit, 5v USB output circuit, diagnose protective film piece, MCU control module, button module, the protection shield of taking the coulomb meter, GPRS communication module, OLED liquid crystal module and bee calling organ unusually. MCU control module be used for abnormal treatment diagnosis protection circuit feedback various abnormal informations and gather the electric quantity information on the protection shield, feed back to the user with these information through bee calling organ or OLED at last. The user can give MCU control module through button module or the various instructions of GPRS communication module input, and MCU control module then can be based on relevant instruction and carry out corresponding action. The utility model discloses portable power source has convenient to carry, and it is easy to maintain, operation low power dissipation, output efficiency height, long service life and advantages such as reading clarity, convenience of customers use.

Description

A kind of multifunctional intellectual portable power source

Technical field

This utility model is related to portable power source field, particularly a kind of multifunctional intellectual portable power source.

Background technology

With the raising of scientific and technological development and people's living standard, on market, increasing product is all in the urgent need to movement Power supply extending the power-on time of product battery itself, such as the rtk receiver of field usage, total powerstation, three-dimensional laser scanner, The equipment such as robot measurement, electronic unmanned plane and notebook, out of doors during operation, are intended to supplement electricity in time, work more Several hours.So portable power source becomes people's life or the requirement producing gradually.But portable power source work(in the market Can be more single, typically all only have this two functions of charging and discharging it is impossible to meet raising and the equipment of people's living standard Needs using complexity.As people go out before field work it is desirable to know storage battery either with or without fully charged, or fill how many Electricity, thus calculate the use time of machine or equipment.Some users wish that the output voltage of portable power source is adjustable, to be applied to Different equipment.Also some users wish to carry out adjusting device with the switching on and shutting down of remotely control portable power source or output voltage Running status, or some unattended local it is desirable to know output voltage and the dump energy of portable power source in real time Information etc..And the portable power source major part on market all without error detection function it is impossible to be automatically diagnosed to be user various The operation of mistake or the exception of equipment use, after being required for looking for the personnel of specialty to detect, just can determine that and ask when typically ging wrong Topic.

Content of the invention

In order to overcome the above-mentioned deficiencies of the prior art, this utility model provides a kind of multifunctional intellectual portable power source.

This utility model is achieved in that multifunctional digital adjustable moving power supply includes movable power shell, controls system System and battery battery core；Control system includes dc-dc step-up/step-down circuit, 5v usb output circuit, abnormity diagnosis protection module, mcu Control module, key-press module, the protection board with coulometer, gprs communication module, oled Liquid Crystal Module and buzzer；

Be provided with movable power shell handle, buckle, input port, output port, oled display screen notch, sim card Slot mouth, setting panel, model label shallow slot and commecial label shallow slot；Wherein output port is divided into 5vusb output port and dc- Dc buck adjusts output port, and setting panel comprises power switch key and buck button and gprs input button；Oled shows Display screen notch, power switch key and buck button are placed on the top surface of movable power shell, facilitate user setup voltage and check The relevant information of power supply；Handle is placed on the top surface of movable power shell, but can not block button and liquid crystal display screen, facilitates user to move Or carry power supply；5vusb output port and dc-dc buck adjust the same face that output port is placed on movable power shell, fill The input port of electrical equipment is placed on another side, facilitates user's difference input and output port；

Mcu control module, as the kernel control module of portable power source, can pass through key-press module or gprs communication module Carry out information exchange with user, and to monitor the letter that key-press module or gprs communication module report in the form of down trigger Breath；As user wants to input 12.5v by key-press module, in its click keys module, key-press module can export low level signal To remind mcu control module to read key value, mcu control module after reading key value, can according to the information of user input Lai Accurately adjustment dc-dc step-up/step-down circuit output 12.5v, after adjustment output finishes, goes busy other work again, so can reduce The workload that mcu control module is inquired about always to key-press module；Mcu control module can also detection process abnormity protection circuit feedback Abnormal information, and these information are fed back to user by buzzer or oled, user can be according to these information to electricity Corresponding process is done in source；

Dc-dc step-up/step-down circuit is the core circuit controlling the different voltage of portable power source output, and the structure of circuit is buck- Boost structure；This circuit uses high performance switch voltage-stabilizing controller, and the output voltage of controller is according to feedback resistance To adjust with the ratio of reference resistance；In order to be able to remotely control portable power source exports different voltages or responds pressing of user Key information is designed to by digital regulation resistance and n shelves resistance adjusting different voltages, the feedback resistance of switch voltage-stabilizing controller Adjust circuit composition；Mcu control module can control the digital regulation resistance resistance value different with n shelves resistance adjustment circuit output, this Sample just can pass through the output voltage of program dynamic control switch voltage-stabilizing controller；Wherein n shelves resistance adjustment circuit theory is multiple Resistant series are on feedback line, and in one mos pipe of each resistor in parallel, to be controlled by the Push And Release of control mos pipe The access of resistance processed or disconnection；

In the load that access can change, the output of voltage might have fluctuation to portable power source, particularly becomes big in load, When output current is big, output voltage can decrease, in order that the voltage difference of output voltage and setting is in allowed band Fluctuation, needs to carry out the self-recision of voltage using voltage-tracing method；Voltage-tracing method is mainly to portable power source output Voltage is acquired, and Real-time Feedback is in mcu module, mcu according to certain elastic range, dynamic corrections digital regulation resistance and N shelves resistance adjustment circuit output combined resistance value so that portable power source output infinite approach set magnitude of voltage；

Abnormity diagnosis protection module comprises output detection and input detection, using hardware switch circuit protection and software processes The mode combining realizing, that is, hardware switch electric circuit inspection to when input or output abnormality, can actively close input or Output, these abnormal informations are sent to mcu control module in the form of interrupt signal simultaneously, allow mcu control module come to do into The process of one step；Mcu control module, when receiving these alarm signals, can use the detection of adc transducer to export or defeated at once The voltage that enters, electric current, after mcu control module diagnoses these error messages, can remind user carry out with buzzer and oled Corresponding operation, such as output short-circuit, excessively stream and perfusion are required for user and remove load, and check the situation of load；

Gprs communication module and mcu control module are communicated by serial ports, have a following function: note start, short Gateway machine, the regulation of note output voltage, message search electricity, note low power notification, phone low power notification, Help by Phone electricity Amount；When receiving note, if short message content is " start ", " shutdown ", " inquiry, " setting x.x " these words, sentence Disconnected is effective function command；When receiving call and ringing more than 3 sound, decide that it is Help by Phone electricity, now can Hang up the telephone, then send dump energy information to the number of incoming call, if fewer than 3 sound then it is assumed that being harassing call, mcu Control module can judge this instruction ignore.

This utility model can carry out precise voltage setting, to adapt to the power supply needs of multiple outdoor equipments, using coulomb Meter carries out complete monitoring so that battery capacity pointing accuracy is high, and adopts highlighted oled liquid crystal display, clear reading, convenient use Family uses, and has error detection and gprs remote control function simultaneously, easy to carry, safeguards easily, runs low in energy consumption, output effect Rate is high, long service life.

Brief description

Fig. 1 is this utility model multifunctional intellectual portable power source block schematic illustration.

Fig. 2 is feedback network and the voltage-setting circuitry of this utility model dc-dc step-up/step-down circuit.

Fig. 3 is this utility model multifunctional intellectual portable power source profile housing.

In figure labelling: 1- movable power shell, 2- control system, 3- battery battery core, 4-dc-dc step-up/step-down circuit, 5-5v Usb output circuit, 6- abnormity diagnosis protection module, 7-mcu control module, 8- key-press module, the protection board with coulometer for the 9-, 10-gprs communication module, 11-oled Liquid Crystal Module, 12- buzzer, 13- handle, 14- buckles, and 15-dc-dc buck is adjusted Output port, 16-5vusb output port, 17-oled display screen notch, 18- on and off switch and buck button, 19-gprs is defeated Enter button, 20- power input port, 21-sim card slot mouth, 22- model label shallow slot, 23- commecial label shallow slot.

Specific embodiments

Embodiment:

It is the block schematic illustration of multifunctional intellectual portable power source as shown in Figure 1, including movable power shell 1, control system 2 With battery battery core 3.Control system 2 include dc-dc step-up/step-down circuit 4,5v usb output circuit 5, abnormity diagnosis protection module 6, Mcu control module 7, key-press module 8, the protection board 9 with coulometer, gprs communication module 10, oled Liquid Crystal Module 11 and buzzing Device 12.

Abnormity diagnosis protection module 6, the abnormal conditions of its protection and diagnosis are mainly as shown in table 2.Wherein export terminal shortcircuit It is all first to be detected with hardware circuit to have accessed load with output overcurrent, in the case of confirming to have accessed load, mcu Module 7 detects output voltage and output current by adc transducer, when magnitude of voltage very little reality output is detected, and setting Output voltage when differing greatly, it is short circuit that mcu module 7 will be considered that, when the output current collecting is more than the peace of portable power source During full operating current, it is excessively stream that mcu will be considered that.Short circuit or excessively stream occur, and it is defeated that mcu module 7 all can actively close portable power source Go out, and remind user it is noted that detecting wiring state with buzzer 12 and oled Liquid Crystal Module 11.The anti-perfusion of outfan be also Detect in the case of having accessed load, judge the flow direction of output current with comparator, if output current normal flow direction, Comparator can open mos pipe output current, if output current adverse current, comparator can close output mos pipe, stops output, Notify mcu module 7 to process simultaneously.It is mcu module 7 being not detected by the case that charger accesses that power supply low battery is reminded, , less than a kind of abnormity of power supply during safe designated value, now mcu module can be with 7 for the information about power collecting coulometer on protection board Buzzer 12 and oled Liquid Crystal Module 11 remind user to be charged.

Table 1 is that the main abnormal information of portable power source processes table, and user can process various exceptions or mistake according to table 2 Operation.

Table 1: portable power source warning brief introduction and its processing method

The output voltage of dc-dc step-up/step-down circuit 4 is ratio according to feedback resistance and reference resistance to be adjusted, feedback Network and voltage-setting circuitry are as shown in Figure 2.The output voltage of the wherein switch controller of step-up/step-down circuit is by formula:Determine, the feedback resistance r of switch controller_aIt is designed to by digital regulation resistance and n shelves resistance adjustment electricity Road forms, using this gear switch mode, so that the range of output voltage setting becomes wider.R6, r8 in Fig. 2, R59 and digital regulation resistance resistance (rx) dynamic series are combined into r_a, rb is the value of r3, as long as by formula as can be seen that changingRatio it is possible to change output magnitude of voltage.So the output voltage in Fig. 2 is divided into four gears to control: 1) mcu control It is first grade during the conducting of m20 and m5 processed, its output voltage is2) mcu controls m20 to close, It is the second gear when m5 conducting, its output voltage is3) mcu controls m20 conducting, m5 It is third gear when closing, its output voltage is4) mcu controls m20 to close, and m5 closes It is fourth speed position when closing, its output voltage isThen the formula of n-th speed position gear setting isσ r is the summation of all resistance values being connected on feedback line.

Gprs communication module 10 and mcu module 7 are communicated by serial ports.Portable power source in opening initialization, mcu mould Block 7 can check automatically either with or without insertion sim card, if check inserting sim card, opens gprs remote service functions. User is when sending remote control commands it should send information, otherwise gprs communication module according to pre-set instruction 10 will not give a response.Gprs communication module 10, when receiving the information that user sends, is to send interrupt signal to mcu first Module 7, allows it carry out the preparation of receive information work, the information that mcu module 7 then reports, inquiry according to gprs communication module 10 Carrying out corresponding control action, after having executed action, with message reply, user's corresponding instruction catalogue runs succeeded.Specifically Note operation is as shown in table 2:

Table 2: note control instruction

Handle 13 is provided with movable power shell 1 shown in Fig. 3, buckles 14, input port 20, output port (15 Hes 16), oled display screen notch 17, sim card slot mouth 21, setting panel (18 and 19), model label shallow slot 22 and commecial label Shallow slot 23.Wherein output port is divided into 5vusb output port 16 and dc-dc buck to adjust output port 15, arranges panel bag Containing on and off switch and buck button 18, gprs input button 19.

Claims (1)

1. a kind of multifunctional intellectual portable power source it is characterised in that multifunctional intellectual portable power source include movable power shell (1), Control system (2) and battery battery core (3)；Control system (2) include dc-dc step-up/step-down circuit (4), 5v usb output circuit (5), Abnormity diagnosis protection module (6), mcu control module (7), key-press module (8), the protection board with coulometer (9), gprs communication mould Block (10), oled Liquid Crystal Module (11) and buzzer (12)；

Handle (13) is provided with movable power shell (1), buckles (14), input port, output port, oled display screen notch (17), sim card slot mouth (21), setting panel, model label shallow slot (22) and commecial label shallow slot (23)；Wherein output port It is divided into 5vusb output port (16) and dc-dc buck to adjust output port (15), setting panel comprises power switch key and liter Blood pressure lowering button (18) and gprs input button (19)；Oled display screen notch (17), power switch key and buck button (18) It is placed on the top surface of movable power shell (1)；Handle (13) is placed on the top surface of movable power shell (1)；5vusb output port (16) Adjust the same face that output port (15) is placed on movable power shell (1) with dc-dc buck, the input port of charger is placed on Another side.