CN110471000A - Battery noise test device - Google Patents
Battery noise test device Download PDFInfo
- Publication number
- CN110471000A CN110471000A CN201910891269.6A CN201910891269A CN110471000A CN 110471000 A CN110471000 A CN 110471000A CN 201910891269 A CN201910891269 A CN 201910891269A CN 110471000 A CN110471000 A CN 110471000A
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- module
- noise
- battery
- low
- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000002955 isolation Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Abstract
The present invention provides a kind of battery noise test devices, including low-noise preamplifier module, gain-programmed amplifier module, programmable filter module, card module, data processing module, control unit module, isolation circuit module, low noise discharge circuit module are acquired, the beneficial effects of the present invention are: battery noise test device structure is simple, stability is good, precision is high；The mutual radiation interference between functional module is effectively reduced, the accuracy of test result is improved；Battery noise test device detects the noise of battery under different working modes, to assess the performance of battery and obtain optimal operating mode.
Description
[technical field]
The present invention relates to a kind of Electronic Testing field of measuring technique, more particularly to one kind is for carrying out battery low-frequency noise
The battery noise test device of test.
[background technique]
With the development of new energy technology, the application of battery is also increasingly wider, also increasingly heavier to the assessment of battery performance
It wants, is had very important significance by test to battery noise and analysis to the reliability of assessment battery and service life；
Traditional noise measuring system is expensive, and test program is complicated and does special optimization without the test for battery
And discharge circuit, the research for being not suitable as battery use.
[summary of the invention]
It is an object of the invention to the noise measuring system for solving traditional is expensive, test program is complicated and without for electricity
The deficiency for the problem of special optimization and discharge circuit are done in the test in pond and the novel battery noise test device of one kind provided.
The present invention is achieved through the following technical solutions:
A kind of battery noise test device, including it is low-noise preamplifier module, gain-programmed amplifier module, program-controlled
Filter module, acquisition card module, data processing module, control unit module, isolation circuit module, low noise discharge circuit mould
Block, the low-noise preamplifier module are electrically connected with the positive terminal of mesuring battary, the low-noise preamplifier module
It is electrically connected with the gain-programmed amplifier module, the gain-programmed amplifier module is electrically connected with the programmable filter module
It connects, the programmable filter module is electrically connected with the acquisition card module, the acquisition card module and the data processing module
Signal connection, the data processing module are connect with described control unit module by signal, and described control unit module passes through isolation
Circuit module is connect with the gain-programmed amplifier module, programmable filter module by signal respectively, described control unit module
Connect by isolation circuit module with the low noise discharge circuit module signal, low noise discharge circuit module one end with
The negative pole end of mesuring battary is electrically connected, and the low noise discharge circuit module other end is electrically connected with the positive terminal of mesuring battary.
Further, the low-noise preamplifier module: obtaining the low-frequency noise signal generated inside mesuring battary,
Low-frequency noise signal is amplified by low-noise preamplifier module again.
Further, the gain-programmed amplifier module: low-frequency noise signal is further amplified, and can programmable amplifier
Gain, suitable range is chosen, to improve the precision of test.
Further, the programmable filter module: several filter bandwidhts are set, wherein one or more filters are selected
The signal of wave device bandwidth is analyzed, and the reliability of system testing is improved.
Further, the analog signal that programmable filter module exports the acquisition card module: is converted into digital signal.
Further, it the data processing module: obtains the noise signal of digital quantity and is analyzed, to be measured cell performance
It can be carried out assessment.
Further, the amplification factor of gain-programmed amplifier, the band of programmable filter described control unit module: are controlled
Wide, low noise discharge circuit module operating mode.
Further, the isolation circuit module: circuit is isolated, mutual influence is avoided.
Further, the low noise discharge circuit module: the discharge mode of mesuring battary, the electric discharge of mesuring battary are set
The value of the settable constant voltage/constant current electric discharge of mode and voltage/current.
Further, the isolation circuit module is optocoupler or optical fiber.
The beneficial effects of the present invention are:
(1) battery noise test device structure is simple, stability is good, precision is high；
(2) the mutual radiation interference between functional module is effectively reduced, the accuracy of test result is improved；
(3) battery noise test device detects the noise of battery under different working modes, to assess the performance of battery and obtain
Take optimal operating mode.
[Detailed description of the invention]
Fig. 1 is the schematic diagram of battery noise test device of the present invention；
Appended drawing reference: 1, low-noise preamplifier module；2, gain-programmed amplifier module；3, programmable filter mould
Block；4, card module is acquired；5, data processing module；6, control unit module；7, isolation circuit module；8, low noise discharge circuit
Module；9, mesuring battary.
[specific embodiment]
With reference to the accompanying drawing and specific embodiment is described further the present invention:
As shown in Figure 1, a kind of battery noise test device, including the amplification of low-noise preamplifier module 1, programme-controlled gain
Device module 2, programmable filter module 3, acquisition card module 4, data processing module 5, control unit module 6, isolation circuit module
7, low noise discharge circuit module 8, the low-noise preamplifier module 1 is electrically connected with the positive terminal of mesuring battary 9, described
Low-noise preamplifier module 1 is electrically connected with the gain-programmed amplifier module 2, the gain-programmed amplifier module 2
It is electrically connected with the programmable filter module 3, the programmable filter module 3 is electrically connected with the acquisition card module 4, described to adopt
Collection card module 4 is connect with 5 signal of data processing module, the data processing module 5 and 6 signal of described control unit module
Connection, described control unit module 6 by isolation circuit module 7 respectively with the gain-programmed amplifier module 2, program control filtering
The connection of 3 signal of device module, described control unit module 6 are believed by isolation circuit module 7 and the low noise discharge circuit module 8
Number connection, described 8 one end of low noise discharge circuit module be electrically connected with the negative pole end of mesuring battary 9, and the low noise discharges electric
Module 8 other end in road is electrically connected with the positive terminal of mesuring battary 9.
Preferably, the low-noise preamplifier module 1: obtaining the low-frequency noise signal generated inside mesuring battary 9,
Low-frequency noise signal is amplified by low-noise preamplifier module 1 again.
Preferably, the gain-programmed amplifier module 2: low-frequency noise signal is further amplified, and can programmable amplifier
Gain, suitable range is chosen, to improve the precision of test.
Preferably, the programmable filter module 3: several filter bandwidhts are set, wherein one or more filters are selected
The signal of wave device bandwidth is analyzed, and the reliability of system testing is improved.
Preferably, the analog signal that programmable filter module 3 exports the acquisition card module 4: is converted into digital signal.
Preferably, it the data processing module 5: obtains the noise signal of digital quantity and is analyzed, to be measured cell performance
It can be carried out assessment.
Preferably, described control unit module 6: the control amplification factor of gain-programmed amplifier 2, programmable filter 3
The operating mode of bandwidth, low noise discharge circuit module 8.
Preferably, the isolation circuit module 7: circuit is isolated, mutual influence is avoided.
Preferably, the low noise discharge circuit module 8: the discharge mode of setting mesuring battary 9, mesuring battary 9 are put
The value of the settable constant voltage/constant current electric discharge of power mode and voltage/current.
Preferably, 7 optocoupler of isolation circuit module or optical fiber.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of battery noise test device, it is characterised in that: including low-noise preamplifier module, gain-programmed amplifier
Module, programmable filter module, acquisition card module, data processing module, control unit module, isolation circuit module, low noise
Discharge circuit module, the low-noise preamplifier module are electrically connected with the positive terminal of mesuring battary, and the low noise is preposition
Amplifier module is electrically connected with the gain-programmed amplifier module, the gain-programmed amplifier module and the program control filtering
The electrical connection of device module, the programmable filter module are electrically connected with the acquisition card module, the acquisition card module and the number
It is connected according to processing module signal, the data processing module is connect with described control unit module by signal, described control unit mould
Block is connect with the gain-programmed amplifier module, programmable filter module by signal respectively by isolation circuit module, the control
Unit module processed is connect by isolation circuit module with the low noise discharge circuit module signal, the low noise discharge circuit
Module one end is electrically connected with the negative pole end of mesuring battary, the anode of the low noise discharge circuit module other end and mesuring battary
End electrical connection.
2. battery noise test device according to claim 1, it is characterised in that: the low-noise preamplifier mould
Block: the low-frequency noise signal generated inside mesuring battary is obtained, then low-frequency noise is believed by low-noise preamplifier module
It number amplifies.
3. battery noise test device according to claim 1, it is characterised in that: the gain-programmed amplifier module:
Low-frequency noise signal, and the gain of energy programmable amplifier is further amplified, suitable range is chosen, to improve the essence of test
Degree.
4. battery noise test device according to claim 1, it is characterised in that: the programmable filter module: setting
Several filter bandwidhts select the signal of wherein one or more filter bandwidhts to be analyzed, and that improves system testing can
By property.
5. battery noise test device according to claim 1, it is characterised in that: the acquisition card module: by program-controlled filter
The analog signal of wave device module output is converted into digital signal.
6. battery noise test device according to claim 1, it is characterised in that: the data processing module: obtaining number
The noise signal of word amount is simultaneously analyzed, and is assessed battery performance.
7. battery noise test device according to claim 1, it is characterised in that: described control unit module: control journey
Control the operating mode of the amplification factor of gain amplifier, the bandwidth of programmable filter, low noise discharge circuit module.
8. battery noise test device according to claim 1, it is characterised in that: the isolation circuit module: to circuit
It is isolated, avoids mutual influence.
9. battery noise test device according to claim 1, it is characterised in that: the low noise discharge circuit module:
The discharge mode of mesuring battary is set, the settable constant voltage/constant current electric discharge of the discharge mode of mesuring battary and voltage/current
Value.
10. battery noise test device according to claim 1, it is characterised in that: the isolation circuit module is optocoupler
Or optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891269.6A CN110471000A (en) | 2019-09-20 | 2019-09-20 | Battery noise test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891269.6A CN110471000A (en) | 2019-09-20 | 2019-09-20 | Battery noise test device |
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| Publication Number | Publication Date |
|---|---|
| CN110471000A true CN110471000A (en) | 2019-11-19 |
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ID=68516438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891269.6A Pending CN110471000A (en) | 2019-09-20 | 2019-09-20 | Battery noise test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044925A (en) * | 2019-12-20 | 2020-04-21 | 深圳市新威尔电子有限公司 | Simulator for battery detection system |
| CN111721401A (en) * | 2020-06-17 | 2020-09-29 | 广州广电计量检测股份有限公司 | Low-frequency noise analysis system and method |
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| CN102710221A (en) * | 2012-05-29 | 2012-10-03 | 重庆大学 | Self-adaptive amplifying and filtering system for laser energy measurement of back reverse calorimeter |
| CN103439669A (en) * | 2013-09-09 | 2013-12-11 | 吉林大学 | Monocrystalline silicon solar battery reliability screening method |
| CN103471624A (en) * | 2013-09-03 | 2013-12-25 | 南京邮电大学 | Low-frequency weak signal detection device in strong-noise background |
| CN205693638U (en) * | 2016-06-20 | 2016-11-16 | 武汉环达电子科技有限公司 | A kind of analogue signal pretreatment unit |
| CN106603018A (en) * | 2016-12-20 | 2017-04-26 | 重庆邮电大学 | Low-noise preamplifier and noise optimization method |
| CN107179451A (en) * | 2017-05-15 | 2017-09-19 | 深圳市量为科技有限公司 | Integrated low frequency noise measurement device |
| CN206807410U (en) * | 2017-05-02 | 2017-12-26 | 武汉环达电子科技有限公司 | A kind of analog signal processing machine |
| CN211206736U (en) * | 2019-09-20 | 2020-08-07 | 深圳市新威尔电子有限公司 | Battery noise testing device |
-
2019
- 2019-09-20 CN CN201910891269.6A patent/CN110471000A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808150A (en) * | 2005-01-18 | 2006-07-26 | 杰生自动技术有限公司 | Vehicle battery protection method having power supply noise signal mode analysis function and apparatus therefor |
| CN102710221A (en) * | 2012-05-29 | 2012-10-03 | 重庆大学 | Self-adaptive amplifying and filtering system for laser energy measurement of back reverse calorimeter |
| CN103471624A (en) * | 2013-09-03 | 2013-12-25 | 南京邮电大学 | Low-frequency weak signal detection device in strong-noise background |
| CN103439669A (en) * | 2013-09-09 | 2013-12-11 | 吉林大学 | Monocrystalline silicon solar battery reliability screening method |
| CN205693638U (en) * | 2016-06-20 | 2016-11-16 | 武汉环达电子科技有限公司 | A kind of analogue signal pretreatment unit |
| CN106603018A (en) * | 2016-12-20 | 2017-04-26 | 重庆邮电大学 | Low-noise preamplifier and noise optimization method |
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| CN107179451A (en) * | 2017-05-15 | 2017-09-19 | 深圳市量为科技有限公司 | Integrated low frequency noise measurement device |
| CN211206736U (en) * | 2019-09-20 | 2020-08-07 | 深圳市新威尔电子有限公司 | Battery noise testing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044925A (en) * | 2019-12-20 | 2020-04-21 | 深圳市新威尔电子有限公司 | Simulator for battery detection system |
| CN111721401A (en) * | 2020-06-17 | 2020-09-29 | 广州广电计量检测股份有限公司 | Low-frequency noise analysis system and method |
| CN111721401B (en) * | 2020-06-17 | 2022-03-08 | 广州广电计量检测股份有限公司 | Low-frequency noise analysis system and method |
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