CN206147072U - Battery life detection device - Google Patents
Battery life detection device Download PDFInfo
- Publication number
- CN206147072U CN206147072U CN201621180993.6U CN201621180993U CN206147072U CN 206147072 U CN206147072 U CN 206147072U CN 201621180993 U CN201621180993 U CN 201621180993U CN 206147072 U CN206147072 U CN 206147072U
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- China
- Prior art keywords
- circuit
- battery
- input
- amplifier
- controller circuitry
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a battery life detection device relates to battery monitoring field, including number of times statistics circuit, voltage detection circuit, temperature measurement circuit, current detection circuit, battery solution state detection circuitry, controller circuit, internal resistance calculating circuit, display circuit and the data storage circuit of charging. Voltage detection circuit, temperature measurement circuit, current detection circuit and battery solution state detection circuitry's input all is connected with outside battery, the input of the number of times that charges statistics circuit and the charging terminal connection of outside battery, electricity number of times statistics circuit, voltage detection circuit, temperature measurement circuit, current detection circuit and battery solution state detection circuitry's output all is connected with controller circuit, circuit and controller circuit and data storage circuit connection are calculated in the internal resistance, the input and the controller circuit of display circuit are connected.
Description
Technical field
This utility model is related to battery life detection field, more particularly to a kind of battery detection means.
Background technology
With the development of society, battery is very popularized in our society.Either use in our life
Product, or the vehicles all can't do without and pond.Pond after using the quite a while, its life time decay even exhaustion, from causing
The life-span of battery would also vary from.
People's continuous requirement except the capacity to battery is proposed, is that battery can discharge and recharge number of times to battery life at present
Similarly put forward higher requirement.The Forecasting Methodology of traditional battery life be by realizing to the multiple discharge and recharge of battery,
However, when battery can discharge and recharge number of times up to 300 times, 500 times even as high as 1000 times when, in terms of the test of battery life
The too long of time will be expended.If carrying out charge-discharge test with the multiplying power of 1C, charge and discharge cycles 300 times, 500 times and
1000 times spent time is about 900 hours, 1500 hours and 3000 hours respectively.If carried out with the multiplying power of 0.5C
Charge-discharge test, 300 times, 500 times and 1000 times spent times of charge and discharge cycles by respectively be about 1800 hours, 3000
Hour and 6000 hours.Obviously, traditional method of testing needs to expend the too long of time.
Therefore need to design a kind of life-span that can quickly detect battery at any time, give people provides convenient well.
Utility model content
For the deficiency that the problems referred to above are present, this utility model provides a kind of battery detection means.
This utility model is solved the above problems by the following technical programs：
A kind of battery detection means, including charging times statistical circuit, voltage detecting circuit, temperature detection electricity
Road, current detection circuit, cell solution state detection circuit, controller circuitry, internal resistance estimation circuit, display circuit and data are deposited
Storing up electricity road；
The voltage detecting circuit, temperature sensing circuit, current detection circuit and cell solution state detection circuit it is defeated
Enter end to be connected with external cell；The input of charging times statistical circuit is connected with the charging end of external cell；It is described
Charging times statistical circuit, voltage detecting circuit, temperature sensing circuit, current detection circuit and cell solution state detection circuit
Outfan be connected with controller circuitry；The internal resistance estimation circuit is connected with controller circuitry and data storage circuitry；Institute
The input for stating display circuit is connected with controller circuitry.
This utility model still further comprises warning circuit；The input of the warning circuit is connected with controller circuitry.
In such scheme, preferably voltage detecting circuit includes resistance R, amplifier 1, isolated amplifier and amplifier 2；It is described
Resistance R one end is grounded, another termination collection 1 electrode input end of input and amplifier；The outfan of the amplifier 1 with isolate amplification
One input of device connects, another input end grounding of isolated amplifier；The outfan of the isolated amplifier is connected with 2 input of amplifier
Connect；Outfan of the outfan of the amplifier 2 for voltage acquisition.
This utility model still further comprises battery to be produced data and wirelessly obtains circuit, and the battery is produced data and wirelessly obtained
Sense circuit is wirelessly connected with external cell data storage center；Battery is produced data and wirelessly obtains circuit and includes cdma wireless communication
Circuit and draw-in groove.
In such scheme, preferably controller circuitry mainly includes microprocessor, and the microprocessor is using STM32 systems
The singlechip chip of row.
Advantage of the present utility model with effect is：
1. this utility model passes through the state of the voltage, electric current and internal battery solution for detecting battery, such that it is able to root
The internal resistance of battery is calculated according to electric current, voltage, estimation can be very good according to the state of voltage, electric current, internal resistance and cell solution
Go out the service life of battery, user timely changes battery according to the battery of detection, has little time so as to reduce battery
Change and the use of impact people；
2. this utility model is connected to battery and produces data and wirelessly obtains circuit, can be can be from battery data storage
The heart obtains the factory data of respective battery, so that estimated life is more accurate；
3. this utility model has simple structure, and accuracy of detection is high, easy for installation, as long as the device is arranged on battery
Can be with use on the battery of group.
Description of the drawings
Fig. 1 is this utility model structured flowchart.
Fig. 2 is the new voltage detecting circuit schematic diagram of this practicality.
Specific embodiment
The utility model is described in further detail with reference to embodiments.
A kind of battery detection means, as shown in figure 1, including charging times statistical circuit, voltage detecting circuit,
Temperature sensing circuit, current detection circuit, cell solution state detection circuit, controller circuitry, internal resistance estimation circuit, battery go out
Produce data and wirelessly obtain circuit, display circuit and data storage circuitry.Accumulator of this utility model by detection electric automobile
Voltage, electric current and internal battery solution state, such that it is able to the internal resistance of battery is calculated according to electric current, voltage, according to
The state of voltage, electric current, internal resistance and cell solution can be very good the service life for estimating accumulator of electric car, Yong Hugen
Timely replacing battery is carried out with electric automobile according to the service lifetime of accumulator of detection, have little time to change and shadow so as to reduce battery
Ring the trip of people.
The voltage detecting circuit, temperature sensing circuit, current detection circuit and cell solution state detection circuit it is defeated
Enter end to be connected with external cell；The input of charging times statistical circuit is connected with the charging end of external cell；Charge
Number of times statistical circuit, voltage detecting circuit, temperature sensing circuit, current detection circuit and cell solution state detection circuit it is defeated
Go out end to be connected with controller circuitry；The internal resistance estimation circuit is connected with controller circuitry and data storage circuitry；It is described aobvious
Show that the input of circuit is connected with controller circuitry.
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 according to the positive elecrtonegativity of the display of solution being judged.
As shown in Fig. 2 the voltage detecting circuit includes resistance R, amplifier 1, isolated amplifier and amplifier 2；The resistance R
One end is grounded, another termination collection 1 electrode input end of input and amplifier；The outfan of the amplifier 1 and isolated amplifier one
Input connects, another input end grounding of isolated amplifier；The outfan of the isolated amplifier is connected with 2 input of amplifier；
Outfan of the outfan of the amplifier 2 for voltage acquisition.
Added with wave filter before voltage detecting circuit, so that the voltage of collection is more accurate, the shadow of ripple etc. is reduced
Ring, improve the precision of detection.
Battery is produced data and wirelessly obtains circuit and is wirelessly connected with external cell data storage center；Battery produce data without
Line obtains circuit includes cdma wireless communication circuit and draw-in groove.Battery is produced data and wirelessly obtains circuit mainly by wireless acquisition
Some data of monitoring battery when dispatching from the factory, the such as data such as life-span charging times, capacity, controller circuitry according to these data and
The data such as the voltage of monitoring, electric current, actual capacity and internal resistance carry out contrasting the life-span for calculating battery.A main reference number
Contrasted according to the charging times for monitoring and the charging times for producing setting, the ratio situation in life-span of staying alone.
Below the preferred embodiment that this utility model is created is illustrated, but this utility model is not limited to
Embodiment, those of ordinary skill in the art can also be made a variety of on the premise of without prejudice to this utility model creative spirit
The modification of equivalent or replacement, the modification of these equivalents or replacement are all contained in scope of the present application.
Claims (5)
1. a kind of battery detection means, it is characterised in that：Including charging times statistical circuit, voltage detecting circuit,
Temperature sensing circuit, current detection circuit, cell solution state detection circuit, controller circuitry, internal resistance estimation circuit, display electricity
Road and data storage circuitry；
The input of the voltage detecting circuit, temperature sensing circuit, current detection circuit and cell solution state detection circuit
It is connected with external cell；The input of charging times statistical circuit is connected with the charging end of external cell；The charging
Number of times statistical circuit, voltage detecting circuit, temperature sensing circuit, current detection circuit and cell solution state detection circuit it is defeated
Go out end to be connected with controller circuitry；The internal resistance estimation circuit is connected with controller circuitry and data storage circuitry；It is described aobvious
Show that the input of circuit is connected with controller circuitry.
2. a kind of battery detection means according to claim 1, it is characterised in that：Also include electricity of reporting to the police
Road；The input of the warning circuit is connected with controller circuitry.
3. a kind of battery detection means according to claim 1, it is characterised in that：The voltage detecting circuit
Including resistance R, amplifier 1, isolated amplifier and amplifier 2；Resistance R one end ground connection, another termination collection input and amplifier 1
Electrode input end；The outfan of the amplifier 1 is connected with one input of isolated amplifier, another input termination of isolated amplifier
Ground；The outfan of the isolated amplifier is connected with 2 input of amplifier；Output of the outfan of the amplifier 2 for voltage acquisition
End.
4. a kind of battery detection means according to claim 1, it is characterised in that：Also number is produced including battery
Circuit is obtained according to wireless, the battery is produced data and wirelessly obtains circuit and is wirelessly connected with external cell data storage center；Electricity
Pond produces data and wirelessly obtains circuit and includes cdma wireless communication circuit and draw-in groove.
5. a kind of battery detection means according to claim 1, it is characterised in that：The controller circuitry
Mainly include microprocessor, singlechip chip of the microprocessor using STM32 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180993.6U CN206147072U (en) | 2016-11-04 | 2016-11-04 | Battery life detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180993.6U CN206147072U (en) | 2016-11-04 | 2016-11-04 | Battery life detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206147072U true CN206147072U (en) | 2017-05-03 |
Family
ID=58623996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621180993.6U Expired - Fee Related CN206147072U (en) | 2016-11-04 | 2016-11-04 | Battery life detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206147072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140497A (en) * | 2017-07-10 | 2017-09-08 | 广州日滨科技发展有限公司 | A kind of elevator rescue apparatus during stoppage of power supply and system |
-
2016
- 2016-11-04 CN CN201621180993.6U patent/CN206147072U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140497A (en) * | 2017-07-10 | 2017-09-08 | 广州日滨科技发展有限公司 | A kind of elevator rescue apparatus during stoppage of power supply and system |
| CN107140497B (en) * | 2017-07-10 | 2019-05-17 | 日立楼宇技术（广州）有限公司 | A kind of elevator rescue apparatus during stoppage of power supply and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20191104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |