CN103499368B - One carries out voltage and thermometric device to lithium battery group - Google Patents
One carries out voltage and thermometric device to lithium battery group Download PDFInfo
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- CN103499368B CN103499368B CN201310411130.XA CN201310411130A CN103499368B CN 103499368 B CN103499368 B CN 103499368B CN 201310411130 A CN201310411130 A CN 201310411130A CN 103499368 B CN103499368 B CN 103499368B
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
Abstract
The invention provides one and carry out voltage and thermometric device to lithium battery group, described device comprises a host computer and a base plate; Described host computer is connected with base plate; This base plate offers a plurality of board slot, and the corresponding station address of each board slot, at least 2 board slots is provided with 1 temperature survey plate; All the other board slots are provided with 1 voltage measurement plate; Described temperature survey plate includes 16 road temperature measuring circuits and 1 first single-chip microcomputer; Described voltage measurement plate includes 16 road tension measuring circuits and 1 second singlechip; The 16 road magnitudes of voltage gathered save by the first single-chip microcomputer of each temperature survey plate, and the 16 road temperature values gathered save by the second singlechip of each voltage measurement plate; Described host computer carries out communication by the single-chip microcomputer of RS485 interface and each measurement plate, and inquires about the image data of corresponding measurement plate by described each station address, processes each image data.Device of the present invention can carry out Quick Measurement to lithium battery group and improve efficiency, has saved cost.
Description
Technical field
The present invention relates to the technical field of lithium battery group test, particularly relate to one and voltage and thermometric device are carried out to lithium battery group.
Background technology
Batteries of electric automobile is together in series by after multiple battery core parallel connection again, and the quantity of series connection can reach 180 at most.The battery core voltage of these series connection of desirable state will reach consistent, not so can affect the utilization factor of electric battery.There is no fear of reaching consistent at actual mechanical process, but certain error can be allowed, at this time just require corresponding equipment and every crosstalk core voltage is measured, after the battery core voltage measurement be cascaded, if do not exceed error, as the foundation judged.Existing metering system is: the test that artificial multimeter is a string, and such Measuring Time is long.And if often a string all use multimeter in parallel battery goes to measure, cost compare is high.
Summary of the invention
The technical problem to be solved in the present invention, is that providing a kind of carries out voltage and thermometric device to lithium battery group, each group of voltage of energy Quick Measurement lithium battery group and temperature; Improve measurement efficiency, save cost.
The present invention is achieved in that one carries out voltage and thermometric device to lithium battery group, it is characterized in that: described device comprises a host computer and a base plate; Described host computer is connected with base plate; This base plate offers a plurality of board slot, and the corresponding station address of each board slot, at least 2 board slots is provided with 1 temperature survey plate; All the other board slots are provided with 1 voltage measurement plate; Described temperature survey plate and voltage measurement plate can at random be inserted on described board slot; Described temperature survey plate includes 16 road temperature measuring circuits and 1 first single-chip microcomputer; Described voltage measurement plate includes 16 road tension measuring circuits and 1 second singlechip; The 16 road magnitudes of voltage gathered save by the first single-chip microcomputer of each temperature survey plate, and the 16 road temperature values gathered save by the second singlechip of each voltage measurement plate; Described host computer carries out communication by the single-chip microcomputer of RS485 interface and each measurement plate, and inquires about the image data of corresponding measurement plate by described each station address, processes each image data.
Tool of the present invention has the following advantages: the inventive system comprises a host computer and a base plate; Described host computer is connected with base plate; This base plate offers a plurality of board slot, and the corresponding station address of each board slot, at least 2 board slots is provided with 1 temperature survey plate; All the other board slots are provided with 1 voltage measurement plate; By temperature survey plate and voltage measurement plate, the battery core voltage of multiple series connection is carried out disposable measurement; Improve measurement efficiency, save cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the detailed construction schematic diagram of voltage measurement plate of the present invention.
Fig. 3 is the detailed construction schematic diagram of temperature survey plate of the present invention.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, the present invention carries out voltage and thermometric device for a kind of to lithium battery group, and described device comprises a host computer and a base plate; Described host computer is connected with base plate; This base plate offers a plurality of board slot, and the corresponding station address of each board slot, at least 2 board slots is provided with 1 temperature survey plate; All the other board slots are provided with 1 voltage measurement plate; Described temperature survey plate and voltage measurement plate can at random be inserted on described board slot; Described temperature survey plate includes 16 road temperature measuring circuits and 1 first single-chip microcomputer; Described voltage measurement plate includes 16 road tension measuring circuits and 1 second singlechip; The 16 road magnitudes of voltage gathered save by the first single-chip microcomputer of each temperature survey plate, and the 16 road temperature values gathered save by the second singlechip of each voltage measurement plate; Described host computer carries out communication by the single-chip microcomputer of RS485 interface and each measurement plate, and inquires about the image data of corresponding measurement plate by described each station address, processes each image data.
In an embodiment of the present invention, at the bottom of described plate, offer 15 board slots, described 2 board slots are provided with 1 temperature survey plate, described 13 board slots are provided with 1 voltage measurement plate.The number of this board slot is arranged according to the number of the actual lithium battery group series connection that will measure in actual applications; Temperature survey plate is also the same with the number of voltage measurement plate.
In the present invention, each described tension measuring circuit includes isolating chip, the first A/D chip and signal attenuator; Described signal attenuator, the first A/D chip, isolating chip connect successively; Described signal attenuator is connected with lithium battery group, and described isolating chip is connected with described second singlechip; After the simulating signal of the lithium battery group received is carried out attenuation processing by described signal attenuator, by A/D chip, the simulating signal after process is converted to digital signal and passes to isolating chip, the signal of the signal of collection and other tension measuring circuit collections is isolated by isolating chip, and is transferred to second singlechip.
Each described temperature measuring circuit includes the second A/D chip, two 8 path analoging switch and 16 temperature sensors; 16 temperature sensors are divided into two groups 8 temperature sensors (namely any 8 temperature sensors are 1 group); 8 temperature sensors of two groups are corresponding to be respectively connected with 8 path analoging switch; Two 8 path analoging switch are all connected with the second A/D chip, and the second A/D chip is connected with the first single-chip microcomputer; 8 temperature sensors of described two groups carry out temperature signal collection (namely 8 temperature sensors connect from different 8 lithium batteries are corresponding) to lithium battery group, and 8 path analoging switch switch in turn temperature signal is sent to the second A/D chip; Second A/D chip is transferred to the first single-chip microcomputer after the simulating signal of the temperature of two 8 path analoging switch collections is converted to digital signal.
In a word, the inventive system comprises a host computer and a base plate; Described host computer is connected with base plate; This base plate offers a plurality of board slot, and the corresponding station address of each board slot, at least 2 board slots is provided with 1 temperature survey plate; All the other board slots are provided with 1 voltage measurement plate; By temperature survey plate and voltage measurement plate, the battery core voltage of multiple series connection is carried out disposable measurement; Improve measurement efficiency, save cost.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. voltage and a thermometric device are carried out to lithium battery group, it is characterized in that: described device comprises a host computer and a base plate; Described host computer is connected with base plate; This base plate offers a plurality of board slot, and the corresponding station address of each board slot, at least 2 board slots is provided with 1 temperature survey plate; All the other board slots are provided with 1 voltage measurement plate; Described temperature survey plate and voltage measurement plate can be inserted on described board slot; Described temperature survey plate includes 16 road temperature measuring circuits and one first single-chip microcomputer; Described voltage measurement plate includes 16 road tension measuring circuits and a second singlechip; The 16 road magnitudes of voltage gathered save by the first single-chip microcomputer of each temperature survey plate, and the 16 road temperature values gathered save by the second singlechip of each voltage measurement plate; Described host computer carries out communication by the single-chip microcomputer of RS485 interface and each measurement plate, and inquires about the image data of corresponding measurement plate by described each station address, processes each image data; Each described tension measuring circuit includes isolating chip, the first A/D chip and signal attenuator; Described signal attenuator, the first A/D chip, isolating chip connect successively; Described signal attenuator is connected with lithium battery group, and described isolating chip is connected with described second singlechip; After the simulating signal of the lithium battery group received is carried out attenuation processing by described signal attenuator, by A/D chip, the simulating signal after process is converted to digital signal and passes to isolating chip, the signal of the signal of collection and other tension measuring circuit collections is isolated by isolating chip, and is transferred to second singlechip.
2. one according to claim 1 carries out voltage and thermometric device to lithium battery group, it is characterized in that: described base plate offers 15 board slots, 2 board slots in 15 board slots are provided with 1 temperature survey plate, remaining 13 board slots are provided with 1 voltage measurement plate.
3. one according to claim 1 carries out voltage and thermometric device to lithium battery group, it is characterized in that: each described temperature measuring circuit includes the second A/D chip, two 8 path analoging switch and 16 temperature sensors; 16 temperature sensors are divided into 8 temperature sensors of two groups; 8 temperature sensors of two groups are corresponding to be respectively connected with 8 path analoging switch; Two 8 path analoging switch are all connected with the second A/D chip, and the second A/D chip is connected with the first single-chip microcomputer; 8 temperature sensors of described two groups carry out temperature signal collection to lithium battery group, and 8 path analoging switch switch in turn temperature signal is sent to the second A/D chip; Second A/D chip is transferred to the first single-chip microcomputer after the simulating signal of the temperature of two 8 path analoging switch collections is converted to digital signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411130.XA CN103499368B (en) | 2013-09-10 | 2013-09-10 | One carries out voltage and thermometric device to lithium battery group |
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| CN201310411130.XA CN103499368B (en) | 2013-09-10 | 2013-09-10 | One carries out voltage and thermometric device to lithium battery group |
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| Publication Number | Publication Date |
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| CN103499368A CN103499368A (en) | 2014-01-08 |
| CN103499368B true CN103499368B (en) | 2016-03-23 |
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| CN201310411130.XA Active CN103499368B (en) | 2013-09-10 | 2013-09-10 | One carries out voltage and thermometric device to lithium battery group |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007391A (en) * | 2014-04-29 | 2014-08-27 | 江苏华东锂电技术研究院有限公司 | Temperature and voltage monitoring system of lithium battery pack |
| CN106772077A (en) * | 2016-12-13 | 2017-05-31 | 四川德源电气有限公司 | A kind of accumulator failure detection method |
| CN106597306A (en) * | 2016-12-13 | 2017-04-26 | 四川德源电气有限公司 | Sensor used for detecting fault of storage battery |
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| CN1983987A (en) * | 2006-05-12 | 2007-06-20 | 华为技术有限公司 | Monitor of rear card board in intelligent-platform management interface system |
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| CN103499368A (en) | 2014-01-08 |
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Address after: 350000 Productivity Promotion Center, No. 8, star hair Road, Mawei District, Fujian, Fuzhou 3, 304 Applicant after: FUJIAN NEBULA ELECTRONICS CO., LTD. Address before: 350000 Productivity Promotion Center, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Applicant before: Fuzhou Development Zone Xingyun Electronic Automation Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: FUZHOU DEVELOPMENT ZONE XINGYUN ELECTRONIC AUTOMATION CO., LTD. TO: FUJIAN NEBULA ELECTRONIC CO., LTD. |
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Address after: Mawei District 350000 Fujian city of Fuzhou province Kuaian Majiang Shishi Avenue Road No. 6 1-4 floor Patentee after: FUJIAN NEBULA ELECTRONICS CO., LTD. Address before: 350000 Productivity Promotion Center, No. 8, star hair Road, Mawei District, Fujian, Fuzhou 3, 304 Patentee before: FUJIAN NEBULA ELECTRONICS CO., LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Device for measuring voltage and temperature of lithium battery pack Effective date of registration: 20200703 Granted publication date: 20160323 Pledgee: China Exim Bank Fujian branch Pledgor: FUJIAN NEBULA ELECTRONICS Co.,Ltd. Registration number: Y2020980003784 |