CN203502567U - Charge and discharge testing device for power lithium battery pack - Google Patents
Charge and discharge testing device for power lithium battery pack Download PDFInfo
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- CN203502567U CN203502567U CN201320562089.1U CN201320562089U CN203502567U CN 203502567 U CN203502567 U CN 203502567U CN 201320562089 U CN201320562089 U CN 201320562089U CN 203502567 U CN203502567 U CN 203502567U
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- lithium battery
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- discharge
- communication interface
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Abstract
The utility model provides a charge and discharge testing device for a power lithium battery pack. The charge and discharge testing device comprises an upper computer and a plurality of charge and discharge testing units; and each charge and discharge testing unit is connected with the upper computer. Each charge and discharge testing unit comprises a communication plate, a charger measuring plate and an electronic load carrying out discharging to a battery; the communication plates are connected with the upper computer, the charger measuring plates are connected with a charger and a charging port of a lithium battery, and the charger measuring plates are connected with the communication plates, and the electronic loads are respectively connected with a discharging port of the lithium battery and the communication plates. The upper computer controls the lithium battery pack to be charged or discharged, and voltage and current data are recorded in charging and discharging processes. The charge and discharge testing device for the power lithium battery pack can carry out aging tests to the charger and the battery, resources are effectively utilized, the testing efficiency is improved, and the cost is saved.
Description
Technical field
The utility model relates to the technical field of dynamic lithium battery group test, relates in particular to a kind of dynamic lithium battery group charge-discharge testing device.
Background technology
Electric bicycle, motorcycle have the battery of outfit and charger.Some producers only produce lithium battery group, some manufacturer production chargers, or two kinds provide.General charging-discharge tester system is no problem to the burn-in test of electric battery, but the burn-in test of charger, economic benefit is not high.If just simply carry out burn-in test with pull-up resistor, can not aging data be noted down and be analyzed like this.Be that existing technology can only be separated burn-in test by charger and battery, waste resource.In addition, charger aging test process is protected if there is disconnecting consumers extremely in time.Present patent application file can allow charger and battery carry out burn-in test simultaneously, monitors their aging conditions simultaneously, and record data, has saved the time, and has provided cost savings.
Summary of the invention
The technical problems to be solved in the utility model, is to provide a kind of dynamic lithium battery group charge-discharge testing device, can to charger and battery, carry out burn-in test, efficent use of resources simultaneously; Improve testing efficiency, saved cost.
The utility model is achieved in that a kind of dynamic lithium battery group charge-discharge testing device, and described device comprises a host computer and a plurality of charge-discharge test unit; Described each charge-discharge test unit is all connected with described host computer; The electronic load that described each charge-discharge test unit includes a communication board, a charger measurement plate and battery is discharged; Described communication board is connected with host computer, and described charger is measured plate and is connected with the charge port of charger and lithium battery respectively, and this charger measurement plate connects described communication board; Described electronic load is connected with communication board with the discharge port of described lithium battery respectively; By PC control lithium battery group, charge or electric discharge, the data of recording voltage and electric current in the process of charging and discharging occur when abnormal, by charger, measuring plate protection in charging process, in discharge process, occur when abnormal, by electronic load, protecting; When lithium battery group is charged, charger output voltage is measured on plate to charger, and charger is measured plate control and exported and be loaded in the charge port of lithium battery; When lithium battery group is discharged, the discharge port by electronic load at lithium battery discharges.
The utlity model has following advantage: device of the present utility model comprises a host computer and a plurality of charge-discharge test unit; Described each charge-discharge test unit is all connected with described host computer; The electronic load that described each charge-discharge test unit includes a communication board, a charger measurement plate and battery is discharged; By PC control lithium battery group, charge or electric discharge, the data of recording voltage and electric current in the process of charging and discharging; The utility model can carry out burn-in test, efficent use of resources to charger and battery simultaneously; Improve testing efficiency, saved cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the detailed structure schematic diagram of communication board of the present utility model.
Fig. 3 is the detailed structure schematic diagram that charger of the present utility model is measured plate.
Fig. 4 is the detailed structure schematic diagram of electronic load of the present utility model.
Embodiment
Please refer to shown in Fig. 1 to Fig. 4, the utility model is a kind of dynamic lithium battery group charge-discharge testing device, and described device comprises a host computer and a plurality of charge-discharge test unit; Described each charge-discharge test unit is all connected with described host computer; The electronic load that described each charge-discharge test unit includes a communication board, a charger measurement plate and battery is discharged; Described communication board is connected with host computer, and described charger is measured plate and is connected with the charge port of charger and lithium battery respectively, and this charger measurement plate connects described communication board; Described electronic load is connected with communication board with the discharge port of described lithium battery respectively; By PC control lithium battery group, charge or electric discharge, the data of recording voltage and electric current in the process of charging and discharging occur when abnormal, by charger, measuring plate protection in charging process, in discharge process, occur when abnormal, by electronic load, protecting; When lithium battery group is charged, charger output voltage is measured on plate to charger, and charger is measured plate control and exported and be loaded in the charge port of lithium battery; When lithium battery group is discharged, the discharge port by electronic load at lithium battery discharges.
In the utility model, described communication board comprises RS485 communication interface and a single-chip microcomputer; Described RS485 communication interface is connected with host computer, and described single-chip microcomputer is measured plate with charger respectively and is connected with electronic load; Host computer processed by described single-chip microcomputer and charger is measured the communication between plate, electronic load; Described host computer is measured plate by single-chip microcomputer to charger and is sent charger control signal, and transmits control signal to electronic load by single-chip microcomputer.
Wherein, described charger measurement plate comprises the first electronic switch, first signal amplifier, first signal attenuator, a SPI communication interface, an AD chip and sample resistance R1; Described the first electronic switch respectively, a SPI communication interface anodal with positive pole, the charger of lithium battery is connected; Described sample resistance R1 one end is connected with the negative pole of lithium battery, and the other end is connected with the negative pole of charger; Described first signal amplifier is parallel to sample resistance R1 two ends, first signal attenuator is parallel to charger two ends, a described AD chip is connected with described first signal amplifier, first signal attenuator, a SPI communication interface respectively, and a SPI communication interface is connected with single-chip microcomputer; Protective effect is carried out in the loop that described the first electronic switch is measured plate to charger; Described first signal amplifier amplifies 10 times of processing by the voltage of sample resistance R1, and described first signal attenuator decays to 25 times by the voltage signal of charger, and an AD chip converts simulating signal to digital signal.
Described electronic load comprises the second electronic switch, secondary signal attenuator, secondary signal amplifier, the 2nd AD chip, the 2nd SPI communication interface, DA chip, signal comparator, sample resistance R2 and 32 adjustment pipes; One end of described the second electronic switch is connected with lithium battery anode, and the other end is connected with 32 adjustment pipes respectively; One end of described sample resistance R2 is connected with cathode of lithium battery, and the other end is connected with 32 adjustment pipes respectively; Described secondary signal attenuator is parallel to the both positive and negative polarity of lithium battery, and described secondary signal amplifier is parallel to sample resistance R2 two ends, and described signal comparator is connected with 32 adjustment pipes, secondary signal amplifier, DA chips respectively; Described DA chip is connected with described the 2nd SPI communication interface, described the 2nd AD chip is connected with described secondary signal attenuator, secondary signal amplifier, the 2nd SPI communication interface respectively, and described the 2nd SPI communication interface is connected with described the second electronic switch, single-chip microcomputer respectively; Described the second electronic switch carries out protective effect to electronic load circuit; The size of current that described adjustment pipe is crossed for control tube subflow; In described DA chip, store the preset value of electric current, described signal comparator, for the current value of the preset value of electric current and actual flow toning homogeneous tube is compared, is controlled and is adjusted the size that pipe is opened; Described secondary signal amplifier amplifies 10 times of processing by the voltage of sample resistance R2, and described secondary signal attenuator decays to 25 times by the voltage signal of lithium battery, and the 2nd AD chip converts simulating signal to digital signal.
In a word, the utility model can carry out burn-in test, efficent use of resources to charger and battery simultaneously; Improve testing efficiency, saved cost.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (4)
1. a dynamic lithium battery group charge-discharge testing device, is characterized in that: described device comprises a host computer and a plurality of charge-discharge test unit; Described each charge-discharge test unit is all connected with described host computer; The electronic load that described each charge-discharge test unit includes a communication board, a charger measurement plate and battery is discharged; Described communication board is connected with host computer, and described charger is measured plate and is connected with the charge port of charger and lithium battery respectively, and this charger measurement plate connects described communication board; Described electronic load is connected with communication board with the discharge port of described lithium battery respectively; By PC control lithium battery group, charge or electric discharge, the data of recording voltage and electric current in the process of charging and discharging occur when abnormal, by charger, measuring plate protection in charging process, in discharge process, occur when abnormal, by electronic load, protecting; When lithium battery group is charged, charger output voltage is measured on plate to charger, and charger is measured plate control and exported and be loaded in the charge port of lithium battery; When lithium battery group is discharged, the discharge port by electronic load at lithium battery discharges.
2. dynamic lithium battery group charge-discharge testing device according to claim 1, is characterized in that: described communication board comprises RS485 communication interface and a single-chip microcomputer; Described RS485 communication interface is connected with host computer, and described single-chip microcomputer is measured plate with charger respectively and is connected with electronic load; Host computer processed by described single-chip microcomputer and charger is measured the communication between plate, electronic load.
3. dynamic lithium battery group charge-discharge testing device according to claim 2, is characterized in that: described charger is measured plate and comprised the first electronic switch, first signal amplifier, first signal attenuator, a SPI communication interface, an AD chip and sample resistance R1; Described the first electronic switch respectively, a SPI communication interface anodal with positive pole, the charger of lithium battery is connected; Described sample resistance R1 one end is connected with the negative pole of lithium battery, and the other end is connected with the negative pole of charger; Described first signal amplifier is parallel to sample resistance R1 two ends, first signal attenuator is parallel to charger two ends, a described AD chip is connected with described first signal amplifier, first signal attenuator, a SPI communication interface respectively, and a SPI communication interface is connected with single-chip microcomputer; Protective effect is carried out in the loop that described the first electronic switch is measured plate to charger.
4. dynamic lithium battery group charge-discharge testing device according to claim 2, is characterized in that: described electronic load comprises the second electronic switch, secondary signal attenuator, secondary signal amplifier, the 2nd AD chip, the 2nd SPI communication interface, DA chip, signal comparator, sample resistance R2 and 32 adjustment pipes; One end of described the second electronic switch is connected with lithium battery anode, and the other end is connected with 32 adjustment pipes respectively; One end of described sample resistance R2 is connected with cathode of lithium battery, and the other end is connected with 32 adjustment pipes respectively; Described secondary signal attenuator is parallel to the both positive and negative polarity of lithium battery, and described secondary signal amplifier is parallel to sample resistance R2 two ends, and described signal comparator is connected with 32 adjustment pipes, secondary signal amplifier, DA chips respectively; Described DA chip is connected with described the 2nd SPI communication interface, described the 2nd AD chip is connected with described secondary signal attenuator, secondary signal amplifier, the 2nd SPI communication interface respectively, and described the 2nd SPI communication interface is connected with described the second electronic switch, single-chip microcomputer respectively; Described the second electronic switch carries out protective effect to electronic load circuit; The size of current that described adjustment pipe is crossed for control tube subflow; In described DA chip, store the preset value of electric current, described signal comparator, for the current value of the preset value of electric current and actual flow toning homogeneous tube is compared, is controlled and is adjusted the size that pipe is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562089.1U CN203502567U (en) | 2013-09-10 | 2013-09-10 | Charge and discharge testing device for power lithium battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562089.1U CN203502567U (en) | 2013-09-10 | 2013-09-10 | Charge and discharge testing device for power lithium battery pack |
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| Publication Number | Publication Date |
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| CN203502567U true CN203502567U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320562089.1U Expired - Lifetime CN203502567U (en) | 2013-09-10 | 2013-09-10 | Charge and discharge testing device for power lithium battery pack |
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| CN (1) | CN203502567U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035038A (en) * | 2014-05-26 | 2014-09-10 | 佰电科技(苏州)有限公司 | Battery testing station and testing method thereof |
| 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 |
| CN107449984A (en) * | 2017-08-10 | 2017-12-08 | 郑州云海信息技术有限公司 | A kind of method and device of BBU discharge and recharges interactive testing |
| CN112255561A (en) * | 2020-09-01 | 2021-01-22 | 苏州众鑫凯能源科技有限公司 | Automatic cycle charging and discharging test system and test method for lithium battery pack |
| CN113030746A (en) * | 2019-12-25 | 2021-06-25 | 应急管理部化学品登记中心 | Lithium battery danger testing system |
-
2013
- 2013-09-10 CN CN201320562089.1U patent/CN203502567U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035038A (en) * | 2014-05-26 | 2014-09-10 | 佰电科技(苏州)有限公司 | Battery testing station and testing method thereof |
| 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 |
| CN107449984A (en) * | 2017-08-10 | 2017-12-08 | 郑州云海信息技术有限公司 | A kind of method and device of BBU discharge and recharges interactive testing |
| CN113030746A (en) * | 2019-12-25 | 2021-06-25 | 应急管理部化学品登记中心 | Lithium battery danger testing system |
| CN112255561A (en) * | 2020-09-01 | 2021-01-22 | 苏州众鑫凯能源科技有限公司 | Automatic cycle charging and discharging test system and test method for lithium battery pack |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN NEBULA ELECTRONIC CO., LTD. Free format text: FORMER NAME: FUZHOU DEVELOPMENT ZONE XINGYUN ELECTRONIC AUTOMATION CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 350000 Productivity Promotion Center, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Patentee after: FUJIAN NEBULA ELECTRONICS Co.,Ltd. Address before: 350000 Productivity Promotion Center, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Patentee before: FUZHOU DEVELOPMENT ZONE XINGYUN ELECTRONIC AUTOMATION Co.,Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
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, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Patentee before: FUJIAN NEBULA ELECTRONICS Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140326 |
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| CX01 | Expiry of patent term |