CN205986208U

CN205986208U - Emergency power source with balanced charge control module

Info

Publication number: CN205986208U
Application number: CN201620710450.4U
Authority: CN
Inventors: 王勇
Original assignee: Hua Xinjing Trading (shenzhen) Co Ltd
Current assignee: Hua Xinjing Trading (shenzhen) Co Ltd
Priority date: 2016-07-07
Filing date: 2016-07-07
Publication date: 2017-02-22
Anticipated expiration: 2026-07-07
Also published as: WO2018006685A1

Abstract

The utility model discloses an emergency power source with balanced charge control module, including electric core group, central control module, charge control module, balance control module and voltage detection module, electricity core group has the individual electric core that concatenates of N together, wherein N is an integral number greater than 2. Charge control module, balance control module and voltage detection module all link to each other with central control module, the balance control module includes that N is individual based on electronic switch (triode or field effect transistor ) and discharge resistance's discharge circuit, a N discharge circuit meets with a N electric core respectively, triode b level or field effect transistor g level connect MCU's IO port. Central control module still is connected with LED display module, temperature detection module and electric current detection module. This emergency power source with balanced charge control module can ensure effectively that each cell voltage maintains the balance, is favorable to the power to be worked continually and steadily.

Description

A kind of emergency power supply with equilibrium charging control module

Technical field

This utility model is particularly to a kind of emergency power supply with equilibrium charging control module.

Background technology

Car emergency power supply is a kind of new multifunctional portable portable power source, is mainly used in automobile itself storage battery electricity not When enough, provide the voltage and current needed for automobile starting, assist to start automobile.

Car emergency power supply is all connected using more piece lithium cell and is exported, because the limitation of technology for manufacturing electric core, often saves lithium The internal resistance of battery core and charge-discharge characteristic all can differences；When lithium electricity battery core output through super-high-current during automobile starting Afterwards, often the property difference of economize on electricity core also can become apparent from, and modal performance is exactly under the conditions of same charging current, often saves Battery core reaches and is full of（Blanking voltage）The required time has obvious difference.

The common car emergency power supply in market at present, is all only managed to the total voltage of series-connected cell, such result Arise that total voltage reaches the charging voltage of setting, but a few economize on electricity core is also not up to blanking voltage, has in addition had several sections Through exceeding the situation of blanking voltage, cause certain economize on electricity core to damage, and then so that whole product cannot be normally used, bring safety hidden Suffer from.

Therefore, it is necessary to a kind of new emergency power supply with equilibrium charging control module of design.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of emergency power supply with equilibrium charging control module, The each battery core voltage of emergency power supply energy effective guarantee that this has equilibrium charging control module maintains balance, is conducive to power supply to continue surely Fixed work.

The technical solution of utility model is as follows：

A kind of emergency power supply with equilibrium charging control module, including battery core group, central control module, charge control mould Block, balance control module and detecting voltage module；Battery core group has N number of battery core being serially connected；N is the integer more than 2；

Charge control module, balance control module are all connected with central control module with detecting voltage module；

Balance control module includes N number of discharge circuit based on electrical switch and discharge resistance；N number of discharge circuit respectively with N number of battery core connects；Electrical switch is audion or field effect transistor；

Audion b level or field effect transistor g level connect the I/O port of central control module.

Central control module is also associated with LED display module, temperature detection module and current detecting module.

Charge control module, LED display module, temperature detection module and the modules such as current detecting module be existing become Ripe circuit module.

Central control module adopts discrete digital device（As NAND gate etc.）Build, or adopt MCU（As single-chip microcomputer, DSP Deng）, belong to the protection object of utility model.

Beneficial effect：

The emergency power supply with equilibrium charging control module of the present utility model, its core be using detecting voltage module and Balance control module realizes the balance of voltage of each battery core；Ensure that the voltage of each battery core will not be too high or too low；Be conducive to electricity Source continually and steadily works, thus extending the service life of battery core.

Brief description

Fig. 1 is the schematic block circuit diagram of the emergency power supply with equilibrium charging control module；

Fig. 2 is the circuit theory diagrams of balance control module.

Specific embodiment

For the ease of understanding this utility model, below in conjunction with Figure of description and preferred embodiment to practical new herein Type does more comprehensively, meticulously describe, but protection domain of the present utility model is not limited to specific examples below.

Unless otherwise defined, all technical term used hereinafter and those skilled in the art are generally understood that implication phase With.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit this practicality newly The protection domain of type.

Embodiment 1：

As Fig. 1 to 2, a kind of emergency power supply with equilibrium charging control module, including battery core group, central control module, Charge control module, balance control module and detecting voltage module；Battery core group has N number of battery core being serially connected；N be more than 2 integer；

Balance control module includes N number of discharge circuit based on audion and discharge resistance；N number of discharge circuit respectively with N Individual battery core connects；

Audion b level connects the I/O port of MCU.

Central control module adopts MCU control module, and MCU control module is the core of whole circuit, power supply adaptor mould Block is responsible for providing certain voltage and current for the charging of battery；

MCU control module passes through the voltage of detecting voltage every battery core of module monitors；Filled by current detecting module monitoring Electric current, and battery pack temperature is monitored by temperature detection module；MCU control module adjusts battery by charge control module The charging voltage of group and electric current, realize constant-current constant-voltage charging management；Charge control module is prior art；And in charging process In, adjust the voltage of individually every battery core by balancing control module, so that every battery core voltage is reached unanimously.

As Fig. 2, balance control module and comprise：Audion Q3, resistance R17, resistance R19, audion Q12, resistance R21, electricity Resistance R23, audion Q6, resistance R25, resistance R27, audion Q13, resistance R22, resistance R31, resistance R34, audion Q11, electricity Resistance R36.By audion Q3, resistance R17, resistance R19, audion Q12, resistance R21, resistance R23 constitute the balance of the 1st battery core Discharge loop, Single-chip Controlling mouth 1 is connected to one end of R21, controls whether to open the equilibrium discharge loop of battery core 1.By three poles Pipe Q6, resistance R25, resistance R27, audion Q13, resistance R22, resistance R31 constitute the equilibrium discharge loop of the 2nd battery core, monolithic Machine control mouth 2 is connected to one end of R22, controls whether to open the equilibrium discharge loop of the 2nd battery core.In figure B1, B2 and B3 are respectively Connect the positive pole of 3 battery cores.By resistance R34, audion Q11, resistance R36 constitute the equilibrium discharge loop of the 3rd battery core, single-chip microcomputer control Donsole 3 is connected to one end of R36, controls whether to open the equilibrium discharge loop of the 3rd battery core.

Claims

1. a kind of emergency power supply with equilibrium charging control module it is characterised in that include battery core group, central control module, Charge control module, balance control module and detecting voltage module；Battery core group has N number of battery core being serially connected；N be more than 2 integer；

Audion b level or field effect transistor g level connect the I/O port of central control module；

Central control module is single-chip microcomputer；

Balance control module comprises：Audion Q3, resistance R17, resistance R19, audion Q12, resistance R21, resistance R23, three poles Pipe Q6, resistance R25, resistance R27, audion Q13, resistance R22, resistance R31, resistance R34, audion Q11, resistance R36；By three Pole pipe Q3, resistance R17, resistance R19, audion Q12, resistance R21, resistance R23 constitute the equilibrium discharge loop of the 1st battery core, single Piece machine control mouth 1 is connected to one end of R21, controls whether to open the equilibrium discharge loop of battery core 1；By audion Q6, resistance R25, resistance R27, audion Q13, resistance R22, resistance R31 constitute the equilibrium discharge loop of the 2nd battery core, Single-chip Controlling mouth 2 It is connected to one end of R22, control whether to open the equilibrium discharge loop of the 2nd battery core；B1, B2 and B3 are just connecing 3 battery cores respectively Pole；By resistance R34, audion Q11, resistance R36 constitute the equilibrium discharge loop of the 3rd battery core, and Single-chip Controlling mouth 3 is connected to One end of R36, controls whether to open the equilibrium discharge loop of the 3rd battery core.

2. the emergency power supply with equilibrium charging control module according to claim 1 is it is characterised in that central authorities control mould Block is also associated with LED display module, temperature detection module and current detecting module.