CN108092365A - The battery charger of carried charge evaluation and test - Google Patents
The battery charger of carried charge evaluation and test Download PDFInfo
- Publication number
- CN108092365A CN108092365A CN201810021402.8A CN201810021402A CN108092365A CN 108092365 A CN108092365 A CN 108092365A CN 201810021402 A CN201810021402 A CN 201810021402A CN 108092365 A CN108092365 A CN 108092365A
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- CN
- China
- Prior art keywords
- battery
- control module
- charging
- module
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000011156 evaluation Methods 0.000 title claims abstract description 17
- 238000007600 charging Methods 0.000 claims abstract description 32
- 230000005611 electricity Effects 0.000 abstract description 19
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 229910018095 Ni-MH Inorganic materials 0.000 description 2
- 229910018477 Ni—MH Inorganic materials 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H02J7/0021—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of battery charger of carried charge evaluation and test, including battery compartment, voltage sensor, current sensor, charging module, control module and load for being evaluated and tested to battery capacity；It is connected to the electrode of battery after the charging output terminal connecting valve device K1 of the charging module after series-connected current sensors again, voltage sensor is connected to the electrode of battery, the output terminal of current sensor and voltage sensor is connected to the input port of control module, the output port of the control terminal difference link control module of the both ends of connection voltage sensor after load concatenation switching device K2, switching device K1 and switching device K2.Function is evaluated and tested by electricity, user can grasp the current actual electricity of each battery in time, to judge whether battery has arrived the state needed replacing.Such function, which helps to reduce unnecessary battery, discards, and contributes to energy-saving and emission-reduction, is conducive to environmental protection.
Description
Technical field
The present invention relates to a kind of charger of battery, especially a kind of battery charger of carried charge evaluation and test function.
Background technology
Many electronic toys, digital product etc. can all use rechargeable secondary cell, naturally also be unable to do without battery
Charger.According to the type of charging, it can substantially be divided into built-in and external and charge.Wherein, built-in is exactly that battery stays in
The inside of electronic product, and the output of transformer is connected with electronic product, battery roll is not come out in charging process；It is and outer
It puts formula exactly to take apart battery from electronic product, then is put into charger and charges.
A kind of external charger relatively conventional at present is to be intended for No. five（AAA）Or No. 7（AA）Chargeable battery, it can
It charges simultaneously for 4 secondary cells.This kind of external charger usually only has several LED lights, when some charging
When lattice placed battery and be in charged state, indicator light is lighted；And after no placing battery or battery fill with,
Indicator light extinguishes.
The inconsistency of battery generally existing, such as the chargeable battery for having 4 nominal electricity to be 1000mAh, are using half
After year, find that the current actual electricity of battery is respectively 900mAh, 950mAh, 850mAh, 500mAh by evaluation and test, due to electricity
Pond is often to be used in series, and has short -board effect, more than if 4 batteries are used in series, be subject to the battery of electricity minimum
Limitation, actual entirety electricity only have 500mAh, the half of only nominal electricity.Due to not knowing the specific performance of each battery,
The measure that user takes at this time often eliminates 4 batteries together, can so cause huge waste.
The content of the invention
In view of the above shortcomings of the prior art, the present invention provides a kind of battery chargers of carried charge evaluation and test so that uses
Family can grasp the current actual electricity of each battery, to judge battery while battery is full of in use
Whether the state that needs replacing has been arrived.
The present invention is realized in that above-mentioned purpose：
The battery charger of carried charge evaluation and test, including battery compartment, voltage sensor, current sensor, charging module, control module
And the load for being evaluated and tested to battery capacity；It connects again after the charging output terminal connecting valve device K1 of the charging module
The electrode of battery is connected to after current sensor, voltage sensor is connected to the electrode of battery, current sensor and voltage sensor
Output terminal be connected to the input port of control module, the both ends of voltage sensor are connected after load concatenation switching device K2, are opened
Close the output port of the control terminal difference link control module of device K1 and switching device K2.
Wherein, it is additionally provided with to show the display module of battery charging state and battery level information, display module and control
The output port connection of molding block.
Wherein, mode selecting button, the input port connection of mode selecting button and control module are additionally provided with.
Beneficial effects of the present invention：Control module control charging module carries out constant-current constant-voltage charging to cell parallel, directly
Electric current on to each charge circuit is both less than threshold value, and carried charge evaluation and test function is to control load work by control module
Make, when carrying out electricity evaluation and test, cell parallel carries out constant-current discharge, electric current of the control module in discharge process is collected to load
And voltage data calculates the existing electricity of battery.Function is evaluated and tested by electricity, it is current that user can grasp each battery in time
Actual electricity, to judge whether battery has arrived the state needed replacing.Such function helps to reduce unnecessary electricity
Pond is discarded, and contributes to energy-saving and emission-reduction, is conducive to environmental protection.
Description of the drawings
The present invention is further described below in conjunction with the accompanying drawings：
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the work flow diagram of normal charging mode of the present invention；
Fig. 3 is work flow diagram of the present invention in carried charge evaluation and test function charge mode.
Specific embodiment
As shown in Figure 1, the battery charger of carried charge evaluation and test, including battery flat, voltage sensor, current sensor, fills
Electric module, load, control module, user mode select button and display module；It is configured between anode, cathode in battery flat
One voltage sensor, the voltage at monitoring battery both ends, the result of voltage monitoring are transmitted to control module.In the charging of every batteries
A current sensor is configured on circuit, monitors the charge and discharge size of current in each circuit, monitored results are transmitted to control module.
Charging module customizes DC power supply according to battery charge characteristic, is responsible for the AC power of 220V being converted to direct current output, power supply
Output voltage determined according to the type for being electrically charged pond.Currently, it is general fill secondary cell type for Ni-MH battery or
Nickel-cadmium cell, rated voltage 1.2V, charging voltage, which can be set to 1.35V or so, can ensure that battery can be filled and will not mistake
It fills.
Wherein, the user mode select button includes " normal charging mode " and " carried charge evaluates and tests the charging mould of function
Formula ", user select currently to need to charge to battery using which pattern by " mode selecting button ".The load
It is a resistive component, for completing the discharge process of battery in " carried charge evaluates and tests the charge mode of function ".The control
Molding block is realized by microcontroller and its peripheral auxiliary circuits.Brain of the control module as entire charger is responsible for receiving, be handled
All kinds of input information, control is charged and electricity test process, and battery information is transmitted to display module, informs user.
Wherein, the working method of the normal charging mode is, control module control charging module to cell parallel into
Row constant-current constant-voltage charging, until the electric current on each charge circuit is both less than threshold value.The charging of the carried charge evaluation and test function
The working method of pattern is that control module control loaded work piece carries out constant-current discharge to cell parallel, to ensure that battery will not
Over-discharge is, it is necessary to set the threshold value of a discharge voltage, when the shunt voltage of battery is less than this threshold value, then
Stop electric discharge.The threshold value can be set according to the type of battery, if can fill secondary cell type for Ni-MH battery or
Nickel-cadmium cell, then discharge cut-off voltage can be set to 0.8V.Subsequent control module control charging module is carried out to cell parallel
Constant-current constant-voltage charging, until the electric current on each charge circuit is both less than threshold value.After charging, control module will pass through electricity
The cumulative obtained charge capacity of stream, sends display module to, informs user.
The main working process of the battery charger of carried charge evaluation and test is as follows：
（1）Under normal charging mode, constant-current constant-voltage charging is carried out with reference to Fig. 2, closure switch device K1 to cell parallel, with
The charge for lotus band in battery moves closer to saturation, then corresponding electric current will be less and less on charge circuit.One detection of setting
Current threshold I fill, filled if the electric current on each charge circuit is both less than I, show that all batteries have been filled, this
When can disconnect charging control switch device K1, charging terminates.
（2）Under the charge mode of carried charge evaluation and test function, control module will start corresponding operating mode.The pattern can
To regard as being composed of a discharge process and a charging process.
It in the initial phase of program, is all cleared with reference to Fig. 3, battery capacity Q1, Q2, Q3, Q4, prevents last comment
Result is surveyed to have an impact this.Then closure switch device K2, battery enter discharge condition, this state will be until all electricity
Until Chi Jun is by emptying, as the charge of lotus band in battery moves closer to emptying, then corresponding electric current will be more next on charge circuit
It is smaller, since discharge current can not possibly be 0, judge that the foundation that battery has been vented is, set the thresholding of a voltage detecting
Value U is put, if shunt voltage is put less than U, shows that all batteries are vented.
Thereafter switching device K2 is disconnected, and switching device K1 is closed, and battery enters the charging stage.In the charging stage, flow through
The charging current of each battery can be converted as electricity, be correspondingly added among battery capacity Q1, Q2, Q3, Q4.With it is " general
Logical charge mode " equally, judges that condition that charging process terminates is both less than I for the electric current on each charge circuit and fills, i.e. battery
It fills with.At this point, switching device K1, K2 are disconnected, control module passes through cumulative obtained battery capacity Q1, Q2, Q3, Q4
Display module is shown to user, and user is the electricity for recognizing battery.
Claims (3)
1. the battery charger of carried charge evaluation and test, it is characterised in that：Including battery compartment, voltage sensor A, current sensor V, fill
Electric module, control module and the load for being evaluated and tested to battery capacity；The charging output terminal connection of the charging module is opened
It closes after device K1 and the electrode of battery is connected to after series-connected current sensors again, voltage sensor is connected to the electrode of battery, and electric current passes
The output terminal of sensor and voltage sensor is connected to the input port of control module, and voltage is connected after load concatenation switching device K2
The output port of the control terminal difference link control module of the both ends of sensor, switching device K1 and switching device K2.
2. the battery charger of carried charge evaluation and test according to claim 1, it is characterised in that：It is additionally provided with to show battery
The output port connection of the display module of charged state and battery level information, display module and control module.
3. the battery charger of carried charge evaluation and test according to claim 1, it is characterised in that：Be additionally provided with model selection by
The input port connection of button, mode selecting button and control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021402.8A CN108092365B (en) | 2018-01-10 | 2018-01-10 | Battery charger for measuring and evaluating charge quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021402.8A CN108092365B (en) | 2018-01-10 | 2018-01-10 | Battery charger for measuring and evaluating charge quantity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108092365A true CN108092365A (en) | 2018-05-29 |
| CN108092365B CN108092365B (en) | 2022-05-10 |
Family
ID=62181886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810021402.8A Active CN108092365B (en) | 2018-01-10 | 2018-01-10 | Battery charger for measuring and evaluating charge quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108092365B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747278A (en) * | 2005-10-21 | 2006-03-15 | 成都龙盾数码通信技术有限公司 | Circuit for controlling series battery charge and discharge |
| CN101976867A (en) * | 2010-10-21 | 2011-02-16 | 中山大学 | Special power battery management system for electric vehicle and implementation method thereof |
| CN102496991A (en) * | 2011-12-28 | 2012-06-13 | 南京双登科技发展研究院有限公司 | Backup lithium ion battery pack management method and management system thereof |
| CN103884993A (en) * | 2014-03-03 | 2014-06-25 | 中国东方电气集团有限公司 | SOC online detection and correction method for lithium ion battery in charging process |
| CN104656024A (en) * | 2013-11-22 | 2015-05-27 | 韩燕� | Method and device for detecting battery electric quantity and battery |
| US20160216336A1 (en) * | 2013-03-28 | 2016-07-28 | Sanyo Electric Co., Ltd. | Secondary battery charge status estimation device and secondary battery charge status estimation method |
| CN107093776A (en) * | 2017-04-11 | 2017-08-25 | 歌尔科技有限公司 | Auto-correction method and device, the battery and unmanned plane of battery |
| CN206517119U (en) * | 2017-01-16 | 2017-09-22 | 吉林大学 | A kind of 12V lead acid batteries chargers |
-
2018
- 2018-01-10 CN CN201810021402.8A patent/CN108092365B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747278A (en) * | 2005-10-21 | 2006-03-15 | 成都龙盾数码通信技术有限公司 | Circuit for controlling series battery charge and discharge |
| CN101976867A (en) * | 2010-10-21 | 2011-02-16 | 中山大学 | Special power battery management system for electric vehicle and implementation method thereof |
| CN102496991A (en) * | 2011-12-28 | 2012-06-13 | 南京双登科技发展研究院有限公司 | Backup lithium ion battery pack management method and management system thereof |
| US20160216336A1 (en) * | 2013-03-28 | 2016-07-28 | Sanyo Electric Co., Ltd. | Secondary battery charge status estimation device and secondary battery charge status estimation method |
| CN104656024A (en) * | 2013-11-22 | 2015-05-27 | 韩燕� | Method and device for detecting battery electric quantity and battery |
| CN103884993A (en) * | 2014-03-03 | 2014-06-25 | 中国东方电气集团有限公司 | SOC online detection and correction method for lithium ion battery in charging process |
| CN206517119U (en) * | 2017-01-16 | 2017-09-22 | 吉林大学 | A kind of 12V lead acid batteries chargers |
| CN107093776A (en) * | 2017-04-11 | 2017-08-25 | 歌尔科技有限公司 | Auto-correction method and device, the battery and unmanned plane of battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108092365B (en) | 2022-05-10 |
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