CN208923863U - A kind of battery charge-discharge managing device - Google Patents
A kind of battery charge-discharge managing device Download PDFInfo
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- CN208923863U CN208923863U CN201821692874.8U CN201821692874U CN208923863U CN 208923863 U CN208923863 U CN 208923863U CN 201821692874 U CN201821692874 U CN 201821692874U CN 208923863 U CN208923863 U CN 208923863U
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- module
- battery
- voltage
- main control
- managing device
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Abstract
The utility model discloses a kind of battery charge-discharge managing devices; multiple DC/DC conversion equipments and main control module is arranged in the utility model; have the function of that the battery for a variety of chemical species provides charging and discharging; multiple battery protection mechanism is provided at the same time; under the setting of general-purpose interface, engineering parameter real-time display is also able to achieve while compact.
Description
Technical field
The utility model relates to electric device fields, more particularly, to a kind of battery charge-discharge managing device.
Background technique
With the development of science and technology, the various equipment using rechargeable battery, the use scopes such as mobile phone, computer are more next
It is more extensive.When charging the battery discharge operation, it is desirable to provide the charger of different size meets different charging operating conditions
With the demand of electric discharge operating condition.
Common charger currently on the market, charging when, that is, by external power supply power supply into battery when, charging
Voltage is to be only a kind of certain fixing model battery charging by adjustment, and to supply voltage, cell voltage is required strictly, cannot be good
Adapt to various scenes.
In electric discharge, that is, from battery to when external equipment power supply, individual stable-pressure device is needed, and this device exists
It needs to be additionally provided in most cases
Multifunctional charger is bulky, and charging and discharging process is not clear enough to the parameter instruction of battery, protects incomplete
Face.
Summary of the invention
The purpose of the utility model is to overcome drawbacks described above of the existing technology, provide a kind of battery charging and discharging management
Device realizes the extensive support to external power supply and external equipment voltage by the way that multiple DC DC modules are arranged.
To achieve the above object, the technical solution of the utility model is as follows:
A kind of battery charge-discharge managing device, which is characterized in that including main control module, storage module, display module, acquisition
Module, the first DC DC module, the 2nd DC DC module, the 3rd DC DC module and battery-end, a USB input interface, one
Or multiple USB output interfaces and one or more keys,
Main control module and key, memory module, display module, three DC DC module, protective module, acquisition module distinguish
Individually it is connected, master control receives the control command from user of key transmission, receives the data of acquisition module acquisition, and control
Storage module, display module, the first DC DC module, the 2nd DC DC module, the 3rd DC DC module;
Memory module receives main control module control, storage battery capacity information, setup parameter and operation conditions;
Display module receives main control module control, shows battery capacity, battery status, charge-discharge parameter;
Acquisition module acquisition input terminal and the current-voltage information of output end, battery temperature information and be sent to master control mould
Block;
The voltage stabilization that first DC DC conversion module is inputted the external power supply that USB input interface connects is in setting electricity
Pressure;
2nd DC DC conversion module is connected with the first DC DC conversion module, and is connected with battery-end, is used for the first DC
Constant current or constant voltage DC conversion module sets voltage change as battery after converting needed for, and by battery-end to electricity
Pond carries out charging operation;
3rd DC DC conversion module is connected by battery-end with battery, and is connected with one or more USB output interfaces,
For constant current or constant electricity needed for converting external equipment for constant current provided by battery or constant voltage
Pressure;
Preferably, the power supply of the main control module is provided by external power supply or battery, automatically selects the high person of voltage.
Preferably, the main control module receives the input terminal of acquisition module acquisition and current-voltage information, the electricity of output end
The temperature information in pond, and low-temperature protection, overheat protector, overvoltage protection, under-voltage protection, short-circuit protection or overcurrent protection side can be passed through
Formula protects battery.
Preferably, the information stored in the memory module can be modified by host computer by USB input interface, or logical
Key-press input is crossed to modify.
Preferably, USB input interface is additionally provided with self-recovery fuse and provides battery charge-discharge managing device and battery
Protection.
It can be seen from the above technical proposal that the utility model, which passes through, is arranged multiple DC/DC conversion equipments and main control module,
Have the function of that the battery for a variety of chemical species provides charging and discharging, multiple battery protection mechanism is provided at the same time, logical
With under the setting of interface, moreover it is possible to realize the distinguishing feature of engineering parameter real-time display and compact.
Detailed description of the invention
Fig. 1 is the circuit theory schematic diagram of the battery charge-discharge managing device of the utility model;
Fig. 2 is main control module power supply selection logical schematic in the utility model embodiment;
Fig. 3 be in the utility model embodiment DC DC connection relationship diagram;
Fig. 4 is the circuit diagram that INA219 voltage and current acquires in the utility model embodiment;
Fig. 5 is the circuit diagram of electric resistance partial pressure collection voltages in the utility model embodiment;
Fig. 6 is the circuit diagram of the end GND series connection sampling resistor acquisition electric current in the utility model embodiment;
Fig. 7 is the appearance interface diagram of the battery charge-discharge managing device in the utility model embodiment.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in further detail.
It should be noted that in following specific embodiments, when the embodiments of the present invention is described in detail, in order to
The structure of the utility model is clearly showed that in order to illustrate, spy does not draw to the structure in attached drawing according to general proportion, goes forward side by side
Gone partial enlargement, deformation and simplify processing, therefore, should be avoided in this, as the restriction to the utility model to understand.
Existing charger the characteristics of according to charging object, that is, battery, can be divided into following three classes:
Lithium battery charger, external power supply are the input of 220V alternating current, are charged for lithium battery, LED indication has charged after charging
At.The battery forms that can be charged are single, and parameter shows that simply defencive function is not complete.
Mobile power source is the charging of the mobile electronic devices such as mobile phone by lithium battery power supply.Only support lithium battery for (filling) electricity.
Nickel-metal hydride battery charger is that single-unit or more piece nickel-metal hydride battery charge.Emphasis speed is slow, and charged form is single, nothing
Reverse battery function of supplying power.
In following specific embodiment of the present utility model, Fig. 1 and Fig. 7 are please referred to, Fig. 1 is the utility model frame knot
Structure schematic diagram, Fig. 7 are interface outside drawings.As shown in the figure.
A kind of battery charge-discharge managing device, including main control module, storage module, display module, acquisition module, first
DC DC module, the 2nd DC DC module, 1, USB input interface 2 of the 3rd DC DC module and battery-end are one or more
USB output interface (4,5) and one or more keys 6, it is characterised in that:
Main control module and key, memory module, display module, three DC DC module, protective module, acquisition module distinguish
Individually it is connected, master control receives the control command from user of key transmission, receives the data of acquisition module acquisition, and control
Storage module, display module, the first DC DC module, the 2nd DC DC module, the 3rd DC DC module.
Master control uses the singlechip chip of model STM32F103C8T6, can be powered respectively by battery or input power, from
Dynamic selection uses the high person of voltage, as shown in Figure 2.Main control part is mainly responsible for the work of coordinated control other parts.
Memory module receives main control module control, storage battery capacity information, setup parameter and operation conditions.
The information stored in the memory module can be modified by host computer by USB input interface 2, or pass through key
6 inputs are modified.Parameter after change is stored in storage unit, and next time using automatic setting, is arranged without repeating.Storage
Module uses the eeprom chip of model AT24C02, is connected by iic bus with main control part, storage capacity information, setting
Parameter and operation conditions.
Display module receives main control module control, shows battery capacity, battery status, charge-discharge parameter.The utility model
Embodiment uses OLED display module 3, the real-time parameter of display battery charging, and instruction information about power, by iic bus and
The 128*64OLED screen of main control part connection is realized.
Acquisition module acquisition input terminal and the current-voltage information of output end, battery temperature information and be sent to master control mould
Block.
As shown in figures 4-6, the voltage and current at access port and battery interface end acquisition is adopted using the chip of model INA219
Collection, chip are connected on single-chip microcontroller by iic bus.The voltage acquisition of output end uses the mode of electric resistance partial pressure, and single-chip microcontroller is logical
It crosses ADC and collects output voltage, electric current exports the sampling resistor at the end GND by being connected on, and is acquired by the ADC of single-chip microcontroller, interior
Portion's program converts to obtain current value.Temperature is constituted in the NTC resistance, the capacitor in parallel with NTC and concatenated divider resistance of battery
Acquisition Circuit.When temperature change is since the resistance value of NTC changes, the voltage of collection point changes, and is adopted by Chip Microcomputer A/D C
Temperature value is converted into after collection.
Main control module receives the temperature letter of the input terminal of acquisition module acquisition and the current-voltage information of output end, battery
Breath, and can by low-temperature protection, overheat protector, overvoltage protection, under-voltage protection, short-circuit protection, overcurrent protection mode to battery into
Row protection.Main control module acquires relevant parameter (voltage, electric current, temperature), when there is parameter beyond (being lower than) alarming value, single-chip microcontroller
Control stop DC DC work, play a protective role.
As shown in figure 3, the first DC DC conversion module (i.e. boosting DC DC in Fig. 3) USB input interface is connected it is outer
The voltage stabilization that portion's power supply is inputted is in setting voltage.The equipment adjusts output electricity using the digital regulation resistance of model AD5245
Pressure.
2nd DC DC conversion module (i.e. constant pressure and flow DC DC in Fig. 3) is connected with the first DC DC conversion module, and with
Battery-end is connected, for constant current needed for setting voltage change as battery after converting the first DC DC conversion module or
Constant voltage, and operation is charged the battery by battery-end.2nd DC DC conversion module is controlled by the PWM that single-chip microcontroller exports
System.
3rd DC DC conversion module (i.e. output DC DC in Fig. 3) is connected by battery-end with battery, and with one or
Multiple USB output interfaces are connected, for converting constant current provided by battery or constant voltage to needed for external equipment
Constant current or constant voltage.In the present embodiment, the 3rd DC DC conversion module stablizes output 5V voltage supply output USB
Interface.
In the present embodiment, battery-end is two high current pads, facilitates the various batteries of welding or connector.The present embodiment
In, battery-end can constant current constant voltage output DC1V-8V/2A (adjustable) voltage, be different chemical species battery charge.This implementation
It can be the battery of DC1.2-DC7.8V (nominal), series winding battery pack or the power supply of batteries in parallel connection group, battery material can be lithium in example
Battery, lithium-sulfur cell, nickel-metal hydride battery etc..
USB input interface 2, interface type are USB TPYE-C, can be charged by the interface for battery, also conduct simultaneously
Debugging interface sets relevant parameter by upper computer software, monitors charge-discharge parameter.In the present embodiment, USB input interface can be connect
By the input voltage of DC4V-9V, charging current protection external input power can be decreased or turned off in external power supply power supply deficiency.
USB input interface is additionally provided with self-recovery fuse and provides protection to battery charge-discharge managing device and battery.
The interface type of output interface is USB TPYE-A, and the present embodiment includes two USB output interfaces 5 or 4, and output is steady
The voltage that fixed supply mobile device uses, maximum provide the output power of 5V/3A.
In the utility model embodiment, 6 quantity of key is one, can be clicked, and is double-clicked, the physics such as long-pressing behaviour
Make, for being arranged and checking parameters.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its inventive concept is subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (5)
1. a kind of battery charge-discharge managing device, which is characterized in that including main control module, storage module, display module acquires mould
Block, the first DC DC module, the 2nd DC DC module, the 3rd DC DC module and battery-end, a USB input interface, one or
Multiple USB output interfaces and one or more keys,
Main control module and key, memory module, display module, three DC DC module, protective module, acquisition module individually
It is connected, master control receives the control command from user of key transmission, receives the data of acquisition module acquisition, and control storage
Module, display module, the first DC DC module, the 2nd DC DC module, the 3rd DC DC module;
Memory module receives main control module control, storage battery capacity information, setup parameter and operation conditions;
Display module receives main control module control, shows battery capacity, battery status, charge-discharge parameter;
Acquisition module acquisition input terminal and the current-voltage information of output end, battery temperature information and be sent to main control module;
The voltage stabilization that first DC DC conversion module is inputted the external power supply that USB input interface connects is in setting voltage;
2nd DC DC conversion module is connected with the first DC DC conversion module, and is connected with battery-end, for becoming the first DC DC
Mold changing block convert after set voltage change as battery needed for constant current or constant voltage, and pass through battery-end to battery into
Row charging operation;
3rd DC DC conversion module is connected by battery-end with battery, and is connected with one or more USB output interfaces, is used for
Constant current needed for converting external equipment for constant current provided by battery or constant voltage or constant voltage.
2. a kind of battery charge-discharge managing device according to claim 1, which is characterized in that the power supply of the main control module
It is to be provided by external power supply or battery, automatically selects the high person of voltage.
3. a kind of battery charge-discharge managing device according to claim 1, which is characterized in that the main control module receiving is adopted
Collect the temperature information of the input terminal of module acquisition and the current-voltage information of output end, battery, and low-temperature protection, excess temperature can be passed through
Protection, overvoltage protection, under-voltage protection, short-circuit protection or overcurrent protection mode protect battery.
4. a kind of battery charge-discharge managing device according to claim 1, which is characterized in that storage in the memory module
Information can be modified by host computer by USB input interface, or modified by key-press input.
5. a kind of battery charge-discharge managing device according to claim 1, which is characterized in that USB input interface is also set up
There is self-recovery fuse to provide protection to battery charge-discharge managing device and battery.
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CN201821692874.8U CN208923863U (en) | 2018-10-18 | 2018-10-18 | A kind of battery charge-discharge managing device |
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CN201821692874.8U CN208923863U (en) | 2018-10-18 | 2018-10-18 | A kind of battery charge-discharge managing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112147484A (en) * | 2020-08-28 | 2020-12-29 | 珠海市一微半导体有限公司 | Test system based on charging chip and charging test system |
-
2018
- 2018-10-18 CN CN201821692874.8U patent/CN208923863U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112147484A (en) * | 2020-08-28 | 2020-12-29 | 珠海市一微半导体有限公司 | Test system based on charging chip and charging test system |
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