CN106932745A - Calibration circuit and system - Google Patents
Calibration circuit and system Download PDFInfo
- Publication number
- CN106932745A CN106932745A CN201710093584.5A CN201710093584A CN106932745A CN 106932745 A CN106932745 A CN 106932745A CN 201710093584 A CN201710093584 A CN 201710093584A CN 106932745 A CN106932745 A CN 106932745A
- Authority
- CN
- China
- Prior art keywords
- circuit
- calibration
- tch test
- current
- voltage
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention discloses a kind of calibration circuit, including sample circuit and power circuit suitable for the calibrator (-ter) unit system of field of battery production；The power circuit includes the current divider for detecting electric current, it is connected with sample circuit and many TCH test channels, in a calibration process, when being calibrated to a TCH test channel, other TCH test channels are loaded, the power circuit forms closed-loop path, the current value and/or magnitude of voltage of the TCH test channel in testing calibration with the power network of many TCH test channels and forming and capacity dividing test equipment；The sample circuit be used to sampling the power circuit output detection value after calculate the TCH test channel being transferred in calibration after parameter and complete calibration.The calibration circuit and system can realize that multichannel is calibrated simultaneously, save prover time, very convenient.
Description
Technical field
The present invention relates to detect, calibration battery forming and capacity dividing test equipment, the more particularly to Battery formation of multichannel
Partial volume test equipment.
Background technology
With flourishing for lithium battery relevant industries, to the need for the test equipment of the forming and capacity dividing of lithium battery also increasingly
Increase.For high-precision multi-path forming and capacity dividing test equipment, for meet high-precision requirement, it is necessary to dispatch from the factory with after regular use
Carry out precision checking.The semi-automatic checking circuit that current line is used in the industry, can only single channel verified, it is impossible to multichannel is simultaneously
Carry out, verify a high accuracy forming and capacity dividing test equipment for 96 passages, generally require reviewer's working 12 hours with
Upper time, very elapsed time.
The content of the invention
The main object of the present invention is a kind of system of the calibration forming and capacity dividing test equipment for providing multichannel, can be quick
Testing calibration forming and capacity dividing test equipment is used to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the present invention proposes following technical scheme：
One kind calibration circuit, including sample circuit and power circuit；The power circuit is included for detecting electric current
Current divider, is connected with sample circuit and many TCH test channels, in a calibration process, when being calibrated to a TCH test channel, other
TCH test channel is loaded, and the power circuit forms closed-loop path with the power network of many TCH test channels and forming and capacity dividing test equipment,
The current value and/or magnitude of voltage of the TCH test channel that detection is calibrated；The sample circuit is used for the defeated of the power circuit of sampling
Go out after detected value to carry out to calculate the TCH test channel for being transferred to be calibrated after parameter and complete calibration.
Further, also including auxiliary circuit；The auxiliary circuit also includes the first low noise for reducing circuit noise
Sound module and the low ripple module negatively affected to auxiliary circuit for reducing alternating voltage unstable；The auxiliary circuit
The operating voltage of the sample circuit is provided；Modular converter is provided with the auxiliary circuit, the modular converter is used to connect
The alternating current of receipts is exported after being converted into direct current after first low noise block and the low ripple resume module.
Further, the power circuit also includes filter circuit；The filter circuit is electrical with many TCH test channels
Connection；The line that the filter circuit is used for the electric current of the steady TCH test channel, the curent change of the reduction power network and produces
Influence of the ripple to measured value.
Further, the sample circuit includes the second low noise block and Low Drift Temperature module；Second low noise
Interference of the module reduction circuit noise to the sample circuit；The Low Drift Temperature module reduction ambient temperature changes and causes to institute
State the interference of sample circuit.
Further, the power circuit also includes measure voltage ＆ current switching interface；The measure voltage ＆ current switching
Interface is used to access the voltage of the detection TCH test channel and/or the High Precision Multimeter of current value.
A kind of calibration system, is connected with calibration client, and the system includes that calibration circuit, CAN and RS485 are total
Line；The calibration circuit two ends are electrically connected with CAN and RS485 buses；The calibration client is electrically connected with described
RS485 buses；The CAN calibrates circuit and forming and capacity dividing test equipment connection communication with described respectively；The RS485
Bus calibrates circuit and calibration client connection communication with described respectively；The calibration circuit includes sample circuit and power
Circuit；The power circuit includes the current divider for detecting electric current, is connected with sample circuit and many TCH test channels, in calibration
During, when being calibrated to a TCH test channel, other TCH test channels are loaded, the power circuit and many TCH test channels and change
Power network into partial volume test equipment forms closed-loop path, the electric current and/or magnitude of voltage of the TCH test channel that detection is calibrated；It is described to adopt
Sample circuit be used to sampling the power circuit output detection value after calculate the test for being transferred to be calibrated after parameter and lead to
Road completes calibration.
Further, the calibration circuit also includes auxiliary circuit；The auxiliary circuit also includes being made an uproar for reducing circuit
First low noise block of sound and the low ripple module negatively affected to auxiliary circuit for reducing alternating voltage unstable；
The auxiliary circuit provides the operating voltage of the sample circuit；Modular converter, the conversion are provided with the auxiliary circuit
Module is used to be converted into the alternating current of reception after direct current at through first low noise block and the low ripple module
Exported after reason.
Further, the calibration system includes multiple calibration circuits.
Further, the calibration client includes display screen；The display screen is used to show calibration result.
Further, the calibration circuit also includes telecommunication circuit；The telecommunication circuit is electrically connected with the auxiliary circuit,
The direct current for receiving the auxiliary circuit is operated；The telecommunication circuit is for after the calibration result for receiving the sample circuit
Sent to the calibration client by CAN；The telecommunication circuit is total by RS485 for receiving the calibration client
Sent after the command signal that line sends to sample circuit.
Compared with prior art, the beneficial effects of the invention are as follows：Loaded using TCH test channel, can save and load this
Electronic component；Can simultaneously be verified with multichannel, it is time-consuming；Used during calibration to filling to putting, save power cost.
Brief description of the drawings
Fig. 1 is the structural representation of the calibration circuit of one embodiment of the invention；
Fig. 2 is the structural representation of the calibration system of one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Reference picture 1-2, proposes a kind of calibration circuit 12 of one embodiment of the invention, including sample circuit 2 and power electricity
Power circuit 3 described in road 3 includes the current divider 6 for detecting electric current, is connected with sample circuit 2 and many TCH test channels 4, in school
During standard, when being calibrated to a TCH test channel 4, other TCH test channels 4 are loaded, and the power circuit 3 is logical with many tests
The power network of road 4 and forming and capacity dividing test equipment forms closed-loop path, the current value and/or electricity of the TCH test channel 4 in testing calibration
Pressure value；The sample circuit 2 after the output detection value of the power circuit 3 of sampling for carrying out being transferred to school after calculating parameter
TCH test channel 4 in standard completes calibration.
In the present embodiment, forming and capacity dividing test equipment be for being melted into battery in cell production process, partial volume
Equipment, is the equipment for needing in production process to use in one essential characterization processes.Power circuit connects two tests
Passage, is combined into filling to mode playback.The TCH test channel of forming and capacity dividing test equipment can be used for the circuit of charging and discharging.
When proceeding by calibration, first one of TCH test channel 4 is calibrated, another TCH test channel 4 is loaded and dc source,
Forming and capacity dividing test equipment connects civil power, and when calibration test passage charging voltage, electric current, power network is discharged, and electric current is from by school
Accurate TCH test channel flows to the TCH test channel 4 as load, consequently as the just energy feedback of TCH test channel 4 for loading to electricity
Net；Power circuit 3 detects the current value and/or magnitude of voltage of the TCH test channel 4 being calibrated, and testing result is sent into above-mentioned adopting
Sample circuit 3, above-mentioned sample circuit 3 is received above-mentioned current value after the current value and/or magnitude of voltage of the TCH test channel being calibrated
And/or magnitude of voltage carry out comparing calculation with the coefficient of the TCH test channel being calibrated after draw parameter, and the parameter is sent to quilt
School passage, completes a calibration for TCH test channel.When calibration test channel discharge voltage, electric current, electric current is from as dc source
The TCH test channel TCH test channel that is calibrated of flow direction, the TCH test channel being then calibrated is by energy feedback to power network；Then power
Circuit 3 detects the current value and/or magnitude of voltage of the TCH test channel 4 being calibrated, and testing result is sent into above-mentioned sample circuit
3, above-mentioned sample circuit 3 is received above-mentioned current value and/or electricity after the current value and/or magnitude of voltage of the TCH test channel being calibrated
Pressure value and the coefficient of the TCH test channel being calibrated carried out drawing parameter after comparing calculation, and the parameter is sent to by school passage,
Complete a calibration for TCH test channel.It is one of as load by selecting two TCH test channels, this electricity can be saved
Subcomponent, it is cost-effective.Meanwhile, after the first TCH test channel is calibrated, voltage is back on above-mentioned power network and stores, and saves electricity
Energy.
In the present embodiment, the calibration circuit also includes auxiliary circuit 1；The auxiliary circuit 1 is also included for reducing electricity
First low noise block of road noise and the low ripple negatively affected to auxiliary circuit 1 for reducing alternating voltage unstable
Module；The auxiliary circuit 1 provides the operating voltage of the sample circuit 2；Modular converter is provided with the auxiliary circuit 1,
The modular converter is used to be converted into the alternating current of reception after direct current through first low noise block and the low line
Exported after ripple resume module.
In the present embodiment, because sample circuit is powered using direct current, therefore alternating current is changed using modular converter
Into direct current.Due in direct current being converted by alternating current, inevitably exchanged into some in DC voltage
Point, the unstability that this exchange being superimposed upon on direct current is produced just is ripple, can bring unstability to circuit, therefore adopt
Low ripple module is used, reduction ripple treatment is used as, reduces the unstability of DC voltage, ensure output galvanic current pressure.
In the present embodiment, the power circuit 3 also includes filter circuit 5；The filter circuit 5 and many TCH test channels
4 are electrically connected with；The filter circuit 5 is used for the electric current of the steady TCH test channel, reduces the curent change of the power network to surveying
The influence of value.
In the present embodiment, filter circuit 5 is generally used for filtering off the ripple in rectifier output voltage, leads to by by above-mentioned school
Filter circuit 5 is accessed in road and above-mentioned accessory channel, the electric current of output can be made more steady, then the signal sampled is also just more accurate
Really, so that calibrating quality is faster more accurate.
In the present embodiment, the sample circuit 2 includes the second low noise block and Low Drift Temperature module；Second low noise
Sound module is used to reduce interference of the circuit noise to the sample circuit；The Low Drift Temperature module reduction ambient temperature changes and makes
The interference of the paired sample circuit 2.
In the present embodiment, in general circuit, all signals in addition to purpose signal all can be described as noise.Above-mentioned low noise
Sound module is used to reduce the noise signal in circuit, makes the signal for collecting more accurate.Temperature drift is the abbreviation of temperature drift, temperature
Drift can cause the change of transistor parameter when generally referring to variation of ambient temperature, can so cause the shakiness of quiescent point
It is fixed, make circuit dynamic parameter unstable, or even make the circuit cannot normal work.Above-mentioned Low Drift Temperature module is used to reduce and is become by temperature
Change the unstable counter productive of the circuit for causing, the working stability of sample circuit can be made, sample information is accurately steady.
In the present embodiment, the power circuit 3 also includes measure voltage ＆ current switching interface 7；The measure voltage ＆ current
Switching interface 7 is used to access the voltage of the detection TCH test channel and/or the High Precision Multimeter of current value.
In the present embodiment, some precision forming and capacity dividing test equipment very high, the precision to calibrating also may require that very
Height, herein quote can access high-precision universal meter interface, can more accurately be measured with universal meter by the magnitude of voltage of school passage and/
Or current value, high-precision calibration is realized to high-precision equipment.
In one embodiment, the two ends of power circuit 3 respectively connect a TCH test channel.When calibration starts, above-mentioned power network
Voltage is flowed into the first TCH test channel, then above-mentioned electricity is flowed back to again after filter circuit 5 and current divider 6 flow to the second TCH test channel
Net, power circuit 3 detects the electric current and voltage at the second TCH test channel, and detected value is passed into sample circuit 2, sample circuit
2 carry out calibrating the first TCH test channel according to the magnitude of voltage and current value for receiving.After having calibrated the first TCH test channel, then by voltage
Power network is flowed back to again after flowing to the first TCH test channel through current divider 6 and filter circuit 5 from the second TCH test channel, and power circuit 3 is detected
Electric current and voltage at first TCH test channel, and detected value is passed into sample circuit 2, sample circuit 2 is according to the electricity for receiving
Pressure value and current value carry out calibrating the second TCH test channel.In calibration process, auxiliary circuit 1 is passed through after receiving the alternating current of above-mentioned power network
Modular converter is converted into being powered to above-mentioned sample circuit 2 after DC voltage is processed through the first noise module and low ripple again,
Sample circuit 2 is set to receive galvanic current pressure work.Loaded by using TCH test channel, save this electronics of load unit
Part.By electric current to filling to putting, the power cost that calibration is used can be saved.By using the detection voltage value of power circuit
And current value, and without the price of prior art special calibration universal meter higher, it is cost-effective.
Reference picture 1-2, proposes a kind of calibration system of one embodiment of the invention, is connected with calibration client 8, the system
Including calibration circuit 12, CAN 10 and RS485 buses 9；Calibration circuit 12 two ends are electrically connected with CAN 10
With RS485 buses 9；The calibration client 8 is electrically connected with the RS485 buses 9；The CAN 10 respectively with the school
Quasi- circuit 12 and forming and capacity dividing test equipment connection communication；The RS485 buses 9 calibrate circuit 12 and school with described respectively
The connection communication of prospect end 8；The calibration circuit 12 includes that sample circuit 2 and power circuit 3 described in power circuit 3 include using
In the current divider 6 of detection electric current, it is connected with sample circuit 2 and many TCH test channels 4, in a calibration process, to a TCH test channel 4
When being calibrated, other TCH test channels 4 are loaded, the power circuit 3 and many TCH test channels 4 and forming and capacity dividing test equipment
Power network forms closed-loop path, the current value and/or magnitude of voltage of the TCH test channel 4 in testing calibration；The sample circuit 2 is used to adopt
Carry out calculating the completion calibration of TCH test channel 4 being transferred in calibration after parameter after the output detection value of power circuit 3 described in sample.
In the present embodiment, CAN 10 is the serial communication protocol of International standardization, applied widely, and compatibility is high, tool
Have high-performance, the characteristics of reliability is high.RS485 buses 9 are usually using inside programmable logic controller (PLC) in industrial settings
Between communication, with suppression common mode interference ability, sensitivity is high the characteristics of, the as little as voltage of 200mV can be detected.CAN is total
Line 10 and RS485 buses 9 are adapted to receive data message in said system, detection signal.
In the present embodiment, the calibration circuit also includes auxiliary circuit 1；The auxiliary circuit 1 is also included for reducing electricity
First low noise block of road noise and the low ripple negatively affected to auxiliary circuit 1 for reducing alternating voltage unstable
Module；The auxiliary circuit 1 provides the operating voltage of the sample circuit 2；Modular converter is provided with the auxiliary circuit 1,
The modular converter is used to be converted into the alternating current of reception after direct current through first low noise block and the low line
Exported after ripple resume module.
In the present embodiment, because sample circuit is powered using direct current, therefore alternating current is changed using modular converter
Into direct current.Due in direct current being converted by alternating current, inevitably exchanged into some in DC voltage
Point, the unstability that this exchange being superimposed upon on direct current is produced just is ripple, can cause sampling deviation, therefore use low line
Ripple module, is used as reduction ripple treatment, reduces the unstability of DC voltage, ensures output galvanic current pressure.
In the present embodiment, the system includes multiple calibration circuits 12.
In the present embodiment, holding test equipment due to general being divided into has multiple TCH test channels 4, more even have 96 surveys
4 are pinged, if only with a calibration circuit 12, calibration speed is slow, thus it is same using multiple calibration circuits 12
Shi Jinhang is calibrated, and each calibration circuit 12 calibrates two TCH test channels, is controlled by same calibration client 8, can be simultaneously
Working calibration TCH test channel, does not influence calibration result, while calibration speed can be also greatly improved.
In the present embodiment, the calibration client 8 includes display screen, and the display screen is used to show calibration result.
In the present embodiment, display screen uses LCD, and display is convenient, low cost.
In the present embodiment, the calibration circuit 12 also includes telecommunication circuit 11；The telecommunication circuit 12 is electrically connected with described
Auxiliary circuit 1, the direct current for receiving the auxiliary circuit 1 is operated；The telecommunication circuit 12 is used to receive the sampling electricity
Sent to the calibration client 8 by CAN 10 after the calibration result on road 2；The telecommunication circuit 11 is used to receive described
Calibration client 8 after the command signal that RS485 buses 9 send by sending to sample circuit 2.
In the present embodiment, because signal is more, including the transmission of electric current etc., therefore telecommunication circuit is added, be exclusively used in place
Signal transmission inside reason calibration circuit 12 and the signal transmission between calibration client 8 and calibration circuit 12, make signal transacting
Speed is more rapidly.
In one embodiment, above-mentioned being divided into holds test equipment 96 TCH test channels 4, and respectively No. 1 test is logical
The rest may be inferred for the TCH test channel 4 of road 4,2 to No. 96 TCH test channels 4, and above-mentioned calibration system includes 48 calibration circuits 12, respectively
The rest may be inferred to No. 48 circuits for 12, No. 2 calibration circuits 12 of No. 1 calibration circuit.Wherein No. 1 calibration circuit 12 connects No. 1 test and leads to
Road and No. 2 TCH test channels 4, No. 2 calibrations circuit 12 connection No. 3 TCH test channels 4 and No. 4 TCH test channels 4, the rest may be inferred to No. 48 schools
Quasi- circuit 12 connects No. 95 TCH test channels 4 and No. 96 TCH test channels 4.Staff press calibration client 8 start calibration
Button, calibration client 8 first selects to calibrate odd number TCH test channel.When the charging voltage, the electric current school that carry out calibration test passage
On time, calibration client 8 controls odd number TCH test channel for constant-voltage charge pattern, and even number TCH test channel is constant-current discharge mould
Formula, when discharge voltage, the correcting current of calibration test passage is carried out, it is perseverance that calibration client 8 controls odd number TCH test channel
Power mode is banished, even number TCH test channel is constant pressure mold filling formula, and power circuit 3 detects voltage, the electric current of odd number TCH test channel
The voltage that to detect afterwards, current value are sent to sample circuit 2, and sample circuit 2 is carried out calibration parameter after calculating calibration parameter
Sent to by school TCH test channel through telecommunication circuit 10, completed by the calibration of school TCH test channel, while passing through the high-ranking officers of telecommunication circuit 11
Quasi- result is sent to calibration client 8, and calibration client 8 shows on the lcd screen calibration result.Odd number TCH test channel is calibrated
After the completion of, the calibration control calibration even number TCH test channel of client 8, when carrying out by the charging voltage of school TCH test channel, electric current school
On time, calibration client 8 controls even number TCH test channel for constant-voltage charge pattern, and odd number TCH test channel is constant-current discharge mould
Formula, when discharge voltage, the correcting current of calibration test passage is carried out, it is perseverance that calibration client 8 controls even number TCH test channel
Power mode is banished, odd number TCH test channel is constant pressure mold filling formula, and sample circuit 2 passes through calibration parameter after carrying out calculating calibration parameter
Telecommunication circuit 10 is sent to the TCH test channel being calibrated, and is completed by the calibration of school TCH test channel, while will by telecommunication circuit 11
Calibration result is sent to calibration client 8, and calibration client 8 shows on the lcd screen calibration result, you can quickly complete calibration
96 TCH test channels.In calibration process, DC voltage is converted into again through modular converter after the alternating current of the reception power network of auxiliary circuit 1
It is powered to above-mentioned sample circuit 2 and telecommunication circuit 11 after being processed through the first noise module and low ripple, connects sample circuit 2
Receive galvanic current pressure work.Whole-course automation, it is not necessary to operated to equipment again.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention, every utilization is not thereby limited
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. it is a kind of to calibrate circuit, it is characterised in that including sample circuit and power circuit；
The power circuit includes the current divider for detecting electric current, is connected with sample circuit and many TCH test channels, in calibration
During, when being calibrated to a TCH test channel, other TCH test channels are loaded, the power circuit and many TCH test channels and change
Power network into partial volume test equipment forms closed-loop path, the current value and/or magnitude of voltage of the TCH test channel that detection is calibrated；
The sample circuit is for after the output detection value of the power circuit of sampling be transferred to by school after calculating parameter
Accurate TCH test channel completes calibration.
2. it is as claimed in claim 1 to calibrate circuit, it is characterised in that also including auxiliary circuit；
The auxiliary circuit is also included for reducing the first low noise block of circuit noise and for reducing alternating voltage not
Low ripple module that is stable and being negatively affected to auxiliary circuit；
The auxiliary circuit provides the operating voltage of the sample circuit；
Modular converter is provided with the auxiliary circuit, after the modular converter is used to for the alternating current of reception to be converted into direct current
Exported after first low noise block and the low ripple resume module.
3. it is as claimed in claim 1 to calibrate circuit, it is characterised in that the power circuit also includes filter circuit；The filter
Wave circuit is electrically connected with many TCH test channels；The filter circuit is used for the electric current of the steady TCH test channel, reduces institute
The curent change of stating power network and the influence of the ripple that produces to measured value.
4. calibration circuit as claimed in claim 1, it is characterised in that the sample circuit include the second low noise block and
Low Drift Temperature module；
Interference of the second low noise block reduction circuit noise to the sample circuit；
The Low Drift Temperature module reduction ambient temperature changes and causes the interference to the sample circuit.
5. it is as claimed in claim 2 to calibrate circuit, it is characterised in that the power circuit also switches including measure voltage ＆ current
Interface；The measure voltage ＆ current switching interface be used to access the detection TCH test channel voltage and/or current value it is high-precision
Degree universal meter.
6. a kind of calibration system, it is characterised in that be connected with calibration client, the system include calibrating circuit, CAN and
RS485 buses；
The calibration circuit two ends are electrically connected with CAN and RS485 buses；The calibration client is electrically connected with described
RS485 buses；
The CAN calibrates circuit and forming and capacity dividing test equipment connection communication with described respectively；
The RS485 buses calibrate circuit and calibration client connection communication with described respectively；
The calibration circuit includes sample circuit and power circuit；
The power circuit includes the current divider for detecting electric current, is connected with sample circuit and many TCH test channels, in calibration
During, when being calibrated to a TCH test channel, other TCH test channels are loaded, the power circuit and many TCH test channels and change
Power network into partial volume test equipment forms closed-loop path, the electric current and/or magnitude of voltage of the TCH test channel that detection is calibrated；
The sample circuit is for after the output detection value of the power circuit of sampling be transferred to by school after calculating parameter
Accurate TCH test channel completes calibration.
7. calibration system as claimed in claim 6, it is characterised in that the calibration circuit also includes auxiliary circuit；It is described auxiliary
Help circuit also include for reduce circuit noise the first low noise block and for reduce alternating voltage unstable and to auxiliary
The low ripple module for helping circuit to negatively affect；
The auxiliary circuit provides the operating voltage of the sample circuit；
Modular converter is provided with the auxiliary circuit, after the modular converter is used to for the alternating current of reception to be converted into direct current
Exported after first low noise block and the low ripple resume module.
8. calibration system as claimed in claim 6, it is characterised in that the calibration system includes multiple calibration circuits.
9. calibration system as claimed in claim 6, it is characterised in that same, the calibration client includes display screen；
The display screen is used to show calibration result.
10. calibration system as claimed in claim 7, it is characterised in that the calibration circuit also includes telecommunication circuit；It is described logical
Letter circuit is electrically connected with the auxiliary circuit, and the direct current for receiving the auxiliary circuit is operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093584.5A CN106932745A (en) | 2017-02-21 | 2017-02-21 | Calibration circuit and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093584.5A CN106932745A (en) | 2017-02-21 | 2017-02-21 | Calibration circuit and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106932745A true CN106932745A (en) | 2017-07-07 |
Family
ID=59424493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710093584.5A Pending CN106932745A (en) | 2017-02-21 | 2017-02-21 | Calibration circuit and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106932745A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680870A (en) * | 2018-05-14 | 2018-10-19 | 山东大学 | A kind of removable automation calibration system and method for forming and capacity dividing test power supply |
| CN108732524A (en) * | 2018-07-06 | 2018-11-02 | 山东大学 | A kind of the automation Calibration Circuit and system of forming and capacity dividing test power supply |
| CN109085510A (en) * | 2018-09-12 | 2018-12-25 | 江苏金帆电源科技有限公司 | A kind of electric current on-line checking of more charge and discharge electric channels and auto-calibration circuits and method |
| CN110426645A (en) * | 2019-08-22 | 2019-11-08 | 深圳市洛仑兹技术有限公司 | Multichannel charge-discharge parameter calibration method and system |
| CN113484565A (en) * | 2021-07-14 | 2021-10-08 | 国网新疆电力有限公司电力科学研究院 | Direct current signal generating device for calibrating low-frequency alternating current signal and calibration method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101765994A (en) * | 2007-07-25 | 2010-06-30 | 雷德米尔技术有限公司 | Self calibrating cable for a high definition digital video interface |
| CN103078638A (en) * | 2012-12-28 | 2013-05-01 | 上海贝岭股份有限公司 | Noise buffering circuit and over-sampling analogue-digital converter comprising same |
| CN103337959A (en) * | 2013-06-17 | 2013-10-02 | 东软飞利浦医疗设备系统有限责任公司 | Low-noise continuously adjustable DC power supply and modulation method thereof |
| CN103376378A (en) * | 2012-04-26 | 2013-10-30 | 爱斯佩克株式会社 | Calibration device of charging and discharging power supply, charging and discharging experimental device, charging and discharging experimental system, and calibration device of charging and discharging power supply |
| CN103427672A (en) * | 2013-06-17 | 2013-12-04 | 东软飞利浦医疗设备系统有限责任公司 | Synchronous, continuous and adjustable power supply system |
-
2017
- 2017-02-21 CN CN201710093584.5A patent/CN106932745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101765994A (en) * | 2007-07-25 | 2010-06-30 | 雷德米尔技术有限公司 | Self calibrating cable for a high definition digital video interface |
| CN103376378A (en) * | 2012-04-26 | 2013-10-30 | 爱斯佩克株式会社 | Calibration device of charging and discharging power supply, charging and discharging experimental device, charging and discharging experimental system, and calibration device of charging and discharging power supply |
| CN103078638A (en) * | 2012-12-28 | 2013-05-01 | 上海贝岭股份有限公司 | Noise buffering circuit and over-sampling analogue-digital converter comprising same |
| CN103337959A (en) * | 2013-06-17 | 2013-10-02 | 东软飞利浦医疗设备系统有限责任公司 | Low-noise continuously adjustable DC power supply and modulation method thereof |
| CN103427672A (en) * | 2013-06-17 | 2013-12-04 | 东软飞利浦医疗设备系统有限责任公司 | Synchronous, continuous and adjustable power supply system |
Non-Patent Citations (1)
| Title |
|---|
| 韩阳: ""锂离子电池化成分容系统通信与校准环节的设计与实现"", 《CNKI硕士学位论文数据库》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680870A (en) * | 2018-05-14 | 2018-10-19 | 山东大学 | A kind of removable automation calibration system and method for forming and capacity dividing test power supply |
| CN108732524A (en) * | 2018-07-06 | 2018-11-02 | 山东大学 | A kind of the automation Calibration Circuit and system of forming and capacity dividing test power supply |
| CN108732524B (en) * | 2018-07-06 | 2020-01-03 | 山东大学 | Automatic calibration circuit and system for formation and grading test power supply |
| CN109085510A (en) * | 2018-09-12 | 2018-12-25 | 江苏金帆电源科技有限公司 | A kind of electric current on-line checking of more charge and discharge electric channels and auto-calibration circuits and method |
| CN110426645A (en) * | 2019-08-22 | 2019-11-08 | 深圳市洛仑兹技术有限公司 | Multichannel charge-discharge parameter calibration method and system |
| CN110426645B (en) * | 2019-08-22 | 2024-04-09 | 广东省洛仑兹技术股份有限公司 | Multichannel charge-discharge parameter calibration method and system |
| CN113484565A (en) * | 2021-07-14 | 2021-10-08 | 国网新疆电力有限公司电力科学研究院 | Direct current signal generating device for calibrating low-frequency alternating current signal and calibration method |
| CN113484565B (en) * | 2021-07-14 | 2024-02-13 | 国网新疆电力有限公司电力科学研究院 | DC signal generating device for calibrating low-frequency AC signal and calibration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106932745A (en) | Calibration circuit and system | |
| JP2013229201A (en) | Calibration device for charge and discharge power supply, charge and discharge testing device, and calibration method | |
| CN101629994B (en) | Method for automatically calibrating terminal in batch | |
| CN101464502A (en) | Method for batch automatic terminal calibration | |
| CN101718853A (en) | Detecting device and detecting method of single-phase double-loop metering electric energy meter | |
| CN104459390A (en) | Method and system for calibrating voltage and current of battery management device | |
| CN103562738A (en) | Voltage measurement device, voltage measurement system and voltage measurement method | |
| CN103455078B (en) | A kind of current-limiting circuit, device | |
| CN108710094A (en) | A kind of self-checking device of rechargeable battery detection device | |
| CN106443567A (en) | Real-load test system for electric energy meters | |
| CN113567732A (en) | Three-in-one quick correcting device for formation and capacity grading equipment | |
| CN206583938U (en) | Test switching circuit for component capacitive equipment | |
| CN105372620A (en) | Power metering detector | |
| CN101206252A (en) | System and method for measuring digital multimeter | |
| CN110261792A (en) | DC power supply detection method, device, test terminal and readable storage medium storing program for executing | |
| CN105652133A (en) | CT wireless tester based on cell phone platform and synchronous testing method | |
| CN107682227B (en) | Ammeter detection configuration method | |
| WO2023179255A1 (en) | Charging device and method, and related equipment | |
| CN205301413U (en) | Test system for vehicle quiescent current | |
| CN108241137B (en) | Basic error traceability device of merging unit tester | |
| CN106199486A (en) | A kind of measurement system of power meter temperature impact test | |
| CN102175976B (en) | Electricity-taking method and device for detecting battery internal resistance | |
| CN107589396B (en) | dynamic performance tracing method based on conventional electric energy calibrator | |
| CN216387349U (en) | Charger electric energy metering error calibration and source tracing device | |
| CN202393891U (en) | Lithium ion battery pack detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170707 |