CN107957554A - Accumulator of electric car life tests system - Google Patents
Accumulator of electric car life tests system Download PDFInfo
- Publication number
- CN107957554A CN107957554A CN201610909185.7A CN201610909185A CN107957554A CN 107957554 A CN107957554 A CN 107957554A CN 201610909185 A CN201610909185 A CN 201610909185A CN 107957554 A CN107957554 A CN 107957554A
- Authority
- CN
- China
- Prior art keywords
- circuit
- detection circuit
- input terminal
- output terminal
- life
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The present invention provides accumulator of electric car life tests system, it is related to battery testing system field, including wave filter, amplifier, voltage detecting circuit, electric quantity detecting circuit, internal resistance detection circuit, current detection circuit, cell solution state detection circuit, life appraisal circuit, display circuit and data storage circuitry.The input terminal of wave filter and the output terminal of external cell connect；The output terminal of wave filter is connected through the input terminal of amplifier and voltage detecting circuit；The input terminal of current detection circuit and the output terminal of external cell connect；The input terminal of electric quantity detecting circuit is connected with voltage detecting circuit and current detection circuit respectively；The input terminal of internal resistance detection circuit is connected respectively at voltage detecting circuit with current detection circuit；Amount detection circuit is connected through internal resistance detection circuit with life appraisal circuit；The output terminal of voltage detecting circuit and current detection circuit is connected with life appraisal circuit.
Description
Technical field
The present invention relates to battery monitoring system field, more particularly to accumulator of electric car life tests system.
Background technology
Because the appearance of energy crisis, energy-saving and environment-friendly trip mode is advocated energetically by country and government, for example is taken public
Automobile etc. altogether, and traditional bus gradually instead of as the electric automobile of power using electric energy.But bus
Be aluminum cell mainly for energy unit, required in terms of the daily maintenance and management of aluminum cell higher.
Battery is after using the quite a while, the even exhaustion of its life time decay.The distance of different electric automobile during travelings
It is also different with the road that is travelled, it would also vary from from the service life of battery is caused.Management for the battery of electric automobile,
The life situations of the battery of each electric automobile are timely detected, timely carrying out replacement battery to electric automobile is exchanged with electricity
Pond is repaired, and improves the service efficiency of battery.The needs that can be driven with more convenient daily life, will not damage because of battery
Badly without knowing situations such as changing.
The content of the invention
Existing deficiency regarding to the issue above, the present invention provide a kind of novel electric vehicle life of storage battery detecting system.
The present invention solves the above problems by the following technical programs：
Accumulator of electric car life tests system, including wave filter, amplifier, voltage detecting circuit, electric power detection electricity
Road, internal resistance detection circuit, current detection circuit, cell solution state detection circuit, life appraisal circuit, display circuit and data
Storage circuit；
The input terminal of the wave filter and the output terminal of external cell connect；The output terminal of the wave filter through amplifier with
The input terminal connection of voltage detecting circuit；The input terminal of the current detection circuit and the output terminal of external cell connect；It is described
The input terminal of electric quantity detecting circuit is connected with voltage detecting circuit and current detection circuit respectively；The internal resistance detection circuit it is defeated
Enter end to connect with current detection circuit respectively at voltage detecting circuit；The amount detection circuit is commented through internal resistance detection circuit with the service life
Estimate circuit connection；The output terminal of the voltage detecting circuit and current detection circuit is connected with life appraisal circuit；The electricity
The input terminal of pond solution state detection circuit and the inside of external cell connect；The output of the cell solution state detection circuit
End is connected with life appraisal circuit；The input terminal of the display circuit is connected with life appraisal circuit；The data storage circuitry
It is connected with life appraisal circuit.
The present invention still further comprises warning circuit；The input terminal of the warning circuit is connected with life appraisal circuit.
The present invention still further comprises battery factory data and obtains circuit, and the battery factory data obtains the input of circuit
End and the data display mark connection of external cell；The battery factory data obtains the output terminal and life appraisal circuit of circuit
Connection.
The present invention still further comprises radio communication circuit, the radio communication circuit and external cell data storage center
Wireless connection；The output terminal of the radio communication circuit obtains circuit with battery factory data and is connected.
In such scheme, preferably life appraisal circuit mainly includes microprocessor, and the microprocessor uses STM32
The singlechip chip of series.
Advantages of the present invention is with effect：
1. the present invention is by the state of the voltage of the storage battery that detects electric automobile, electric current and internal battery solution, from
And the internal resistance of battery can be calculated according to electric current, voltage, can be very according to the state of voltage, electric current, internal resistance and cell solution
The good service life for estimating accumulator of electric car, user is according to the service lifetime of accumulator of detection timely with electronic vapour
Car carries out replacement battery, has little time to replace and influence the trip of people so as to reduce battery；
2. the present invention is connected to wireless communication module, going out for respective battery can be obtained emerging in being stored from battery data
Factory's data, so that estimated life is more accurate；
3. the present invention has simple in structure, accuracy of detection height, easy for installation, as long as the system is installed on the electricity of battery pack
It can be used on pond.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention；
Embodiment
The invention will be further described with reference to embodiments.
Accumulator of electric car life tests system, as shown in Figure 1, including wave filter, amplifier, voltage detecting circuit,
Electric quantity detecting circuit, internal resistance detection circuit, current detection circuit, cell solution state detection circuit, life appraisal circuit, display
Circuit, battery factory data obtain circuit, radio communication circuit and data storage circuitry.The present invention is by detecting electric automobile
The state of the voltage of storage battery, electric current and internal battery solution, so as to be calculated according to electric current, voltage in battery
Resistance, can be very good to estimate the use longevity of accumulator of electric car according to the state of voltage, electric current, internal resistance and cell solution
Life, user timely carry out replacement battery with electric automobile according to the service lifetime of accumulator of detection, come not so as to reduce battery
And replace and influence the trip of people.The life appraisal circuit mainly includes microprocessor, and the microprocessor uses STM32
The singlechip chip of series.
The input terminal of the wave filter and the output terminal of external cell connect；The output terminal of the wave filter through amplifier with
The input terminal connection of voltage detecting circuit；The input terminal of the current detection circuit and the output terminal of external cell connect；It is described
The input terminal of electric quantity detecting circuit is connected with voltage detecting circuit and current detection circuit respectively；The internal resistance detection circuit it is defeated
Enter end to connect with current detection circuit respectively at voltage detecting circuit；The amount detection circuit is commented through internal resistance detection circuit with the service life
Estimate circuit connection；The output terminal of the voltage detecting circuit and current detection circuit is connected with life appraisal circuit；The electricity
The input terminal of pond solution state detection circuit and the inside of external cell connect；The output of the cell solution state detection circuit
End is connected with life appraisal circuit；The input terminal of the display circuit is connected with life appraisal circuit；The data storage circuitry
It is connected with life appraisal circuit.The data display mark of input terminal and external cell that the battery factory data obtains circuit connects
Connect；The output terminal that the battery factory data obtains circuit is connected with life appraisal circuit.The radio communication circuit and outside
Battery data storage center wireless connection；The output terminal of the radio communication circuit obtains circuit with battery factory data and is connected.
The present invention still further comprises warning circuit；The input terminal of the warning circuit is connected with life appraisal circuit.
Cell solution state detection circuit predominantly detects the concentration and negative ions of the negative ions of inside battery solution
Ratio.Wherein, the concentration of negative ions is judged according to the positive elecrtonegativity of the display of solution.
Added with wave filter, amplifier before voltage detecting circuit, so that the voltage of collection is more accurate, ripple is reduced
Deng influence, improve the precision of detection.
The preferred embodiment to the invention is illustrated above, but the present invention is not limited to embodiment,
Those skilled in the art can also make a variety of equivalent modifications on the premise of without prejudice to the invention spirit
Or replace, these equivalent modifications or replacement are all contained in scope of the present application.
Claims (5)
1. accumulator of electric car life tests system, it is characterised in that：Including wave filter, amplifier, voltage detecting circuit, electricity
Measure detection circuit, internal resistance detection circuit, current detection circuit, cell solution state detection circuit, life appraisal circuit, display electricity
Road and data storage circuitry；
The input terminal of the wave filter and the output terminal of external cell connect；The output terminal of the wave filter is through amplifier and voltage
The input terminal connection of detection circuit；The input terminal of the current detection circuit and the output terminal of external cell connect；The electricity
The input terminal of detection circuit is connected with voltage detecting circuit and current detection circuit respectively；The input terminal of the internal resistance detection circuit
Connected respectively at voltage detecting circuit with current detection circuit；The amount detection circuit is through internal resistance detection circuit and life appraisal electricity
Road connects；The output terminal of the voltage detecting circuit and current detection circuit is connected with life appraisal circuit；The battery is molten
The input terminal of liquid status detection circuit and the inside of external cell connect；The output terminal of the cell solution state detection circuit with
Life appraisal circuit connects；The input terminal of the display circuit is connected with life appraisal circuit；The data storage circuitry and longevity
Order assessment circuit connection.
2. accumulator of electric car life tests system according to claim 1, it is characterised in that：Further include alarm electricity
Road；The input terminal of the warning circuit is connected with life appraisal circuit.
3. accumulator of electric car life tests system according to claim 1, it is characterised in that：Battery is further included to dispatch from the factory
Data acquisition, the battery factory data obtain the data display mark connection of the input terminal and external cell of circuit；Institute
The output terminal for stating battery factory data acquisition circuit is connected with life appraisal circuit.
4. accumulator of electric car life tests system according to claim 1, it is characterised in that：Further include wireless communication
Circuit, the radio communication circuit and external cell data storage center wireless connection；The output terminal of the radio communication circuit
Circuit is obtained with battery factory data to be connected.
5. accumulator of electric car life tests system according to claim 1, it is characterised in that：The life appraisal electricity
Road mainly includes microprocessor, and the microprocessor uses the singlechip chip of STM32 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909185.7A CN107957554A (en) | 2016-10-18 | 2016-10-18 | Accumulator of electric car life tests system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909185.7A CN107957554A (en) | 2016-10-18 | 2016-10-18 | Accumulator of electric car life tests system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107957554A true CN107957554A (en) | 2018-04-24 |
Family
ID=61954422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610909185.7A Pending CN107957554A (en) | 2016-10-18 | 2016-10-18 | Accumulator of electric car life tests system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107957554A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249835A (en) * | 2018-10-31 | 2019-01-22 | 江苏汇鑫新能源汽车科技有限公司 | A kind of electric tool charge capacity display system based on wireless transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122646Y (en) * | 2007-11-09 | 2008-09-24 | 中国船舶重工集团公司第七一二研究所 | Accumulator with checking device |
| CN204241659U (en) * | 2014-11-17 | 2015-04-01 | 上海动力储能电池***工程技术有限公司 | The battery life forecasting device of battery of electric vehicle management system |
| CN205050956U (en) * | 2015-09-11 | 2016-02-24 | 珠海朗尔电气有限公司 | Maintain device on line based on battery solution concentration detection |
| CN205404760U (en) * | 2015-12-25 | 2016-07-27 | 重庆恩信科技有限公司 | Battery intelligent online monitoring system |
| CN206258560U (en) * | 2016-10-18 | 2017-06-16 | 南京金邦动力科技有限公司 | Accumulator of electric car life tests system |
-
2016
- 2016-10-18 CN CN201610909185.7A patent/CN107957554A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122646Y (en) * | 2007-11-09 | 2008-09-24 | 中国船舶重工集团公司第七一二研究所 | Accumulator with checking device |
| CN204241659U (en) * | 2014-11-17 | 2015-04-01 | 上海动力储能电池***工程技术有限公司 | The battery life forecasting device of battery of electric vehicle management system |
| CN205050956U (en) * | 2015-09-11 | 2016-02-24 | 珠海朗尔电气有限公司 | Maintain device on line based on battery solution concentration detection |
| CN205404760U (en) * | 2015-12-25 | 2016-07-27 | 重庆恩信科技有限公司 | Battery intelligent online monitoring system |
| CN206258560U (en) * | 2016-10-18 | 2017-06-16 | 南京金邦动力科技有限公司 | Accumulator of electric car life tests system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249835A (en) * | 2018-10-31 | 2019-01-22 | 江苏汇鑫新能源汽车科技有限公司 | A kind of electric tool charge capacity display system based on wireless transmission |
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