CN202141794U - Electric automobile power cell working condition test device and system - Google Patents
Electric automobile power cell working condition test device and system Download PDFInfo
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- CN202141794U CN202141794U CN201120226600U CN201120226600U CN202141794U CN 202141794 U CN202141794 U CN 202141794U CN 201120226600 U CN201120226600 U CN 201120226600U CN 201120226600 U CN201120226600 U CN 201120226600U CN 202141794 U CN202141794 U CN 202141794U
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Abstract
An embodiment of the present utility model discloses an electric automobile power cell working condition test device and a system. The device comprises an electricity-using load, a simulation signal acquisition unit and a control analysis unit. The electricity-using load and the simulation signal acquisition unit are respectively and electrically connected with a to-be-detected power cell, wherein the simulation signal acquisition unit is used for collecting charge and discharge state information of the to-be-detected power cell according to the preset period. The control analysis unit, which is used for re-checking and controlling when the offset amount of the charge and discharge information and the reference information is larger than the preset value, is connected with the simulation signal acquisition unit in the electrical and/or wireless way. By testing and analyzing the cell electricity using information of the power cell charge and discharge state (terminal voltage, current, temperature and other parameters), and comparing with the set charge and discharge parameters, re-checking and other control movements are operated, the technical effect of the multi-parameter testing before the power cell is put into use is realized, thus the high efficient use and reliable power supply of the power cell can be guaranteed.
Description
Technical field
The utility model relates to the electric automobile power battery technical field of measurement and test, more particularly, relates to a kind of electric automobile power battery working condition measurement device and system.
Background technology
It is power that electric automobile is meant with the vehicle power, goes with power wheel, meets the vehicle of road traffic, the requirement of security legislation each item.As power, the security of said battery is the assurance of electric automobile cruising with the power supply continuation to traditional electric automobile with ferric phosphate lithium cell.
So need the highly effective and safe discharge that the Apparatus and system that before electrokinetic cell comes into operation, carries out simulation test guarantees battery badly.
The utility model content
In view of this, the utility model provides a kind of electric automobile power battery working condition measurement device and system, to realize that the electrokinetic cell that is used for electric automobile is carried out comprehensive performance test before coming into operation, guarantees the highly effective and safe performance of battery.
A kind of electric automobile power battery working condition measurement device comprises:
With electric loading, collection of simulant signal unit and control analysis unit, wherein:
Saidly gather the said collection of simulant signal unit of said electrokinetic cell charging and discharging state information to be measured, be electrically connected with electrokinetic cell to be measured respectively with electric loading with according to predetermined period;
The control analysis unit of rechecking control when the information of discharging and recharging and the side-play amount of reference information greater than preset value is electrically connected and/or wireless connections with said collection of simulant signal unit.
As preferably, the said electric loading of using is electricity consumption electric current continuous variable constant load.
A kind of electric automobile power battery working condition measurement system comprises: electric automobile power battery group, with electric loading, collection of simulant signal unit and control analysis unit, wherein:
With electric loading, collection of simulant signal unit and control analysis unit, wherein:
Saidly gather the said collection of simulant signal unit of said electrokinetic cell charging and discharging state information to be measured, be electrically connected with the electrokinetic cell to be measured of said electric automobile respectively with electric loading with according to predetermined period;
The control analysis unit of rechecking control when the information of discharging and recharging and the side-play amount of reference information greater than preset value is electrically connected and/or wireless connections with said collection of simulant signal unit.
In order to improve such scheme, said system also comprises: be serially connected with the shunt on the major loop of said electric automobile power battery group.
And, between said electric automobile power battery group and said test cabinet, and the insulation measurement appearance that between input power supply and said test cabinet, is provided with.
Can find out from above-mentioned technical scheme; The utility model embodiment is through (organizing terminal voltage, electric current to the battery power information under the electrokinetic cell charging and discharging state; Parameters such as temperature) test and analyze, with set discharge and recharge parameter relatively after, make control actions such as reinspection; Realized electrokinetic cell come into operation before the technique effect measured of multiparameter, thereby efficient, the reliable power supply when having guaranteed that electrokinetic cell uses.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the disclosed a kind of electric automobile power battery working condition measurement apparatus structure synoptic diagram of the utility model embodiment;
Fig. 2 is the disclosed a kind of electric automobile power battery working condition measurement apparatus structure synoptic diagram of the utility model embodiment;
Fig. 3 is the disclosed a kind of electric automobile power battery working condition measurement system architecture synoptic diagram of the utility model embodiment.
Embodiment
For quote and know for the purpose of, the technical term that hereinafter uses, write a Chinese character in simplified form or abridge and sum up as follows:
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of electric automobile power battery working condition measurement device and system, to realize that the electrokinetic cell that is used for electric automobile is carried out comprehensive performance test before coming into operation, guarantees the highly effective and safe performance of battery.
Fig. 1 shows electric automobile power battery working condition measurement device, comprising:
With electric loading 11, collection of simulant signal unit 12 and control analysis unit 13, wherein:
Saidly gather the said collection of simulant signal unit 12 of said electrokinetic cell charging and discharging state information to be measured, be electrically connected with electrokinetic cell to be measured respectively with electric loading 11 with according to predetermined period;
The control analysis unit 13 of rechecking control when the information of discharging and recharging and the side-play amount of reference information greater than preset value is electrically connected and/or wireless connections with said collection of simulant signal unit 12.
Said collection of simulant signal unit 12 connects the charging and discharging state information of loaded electric battery according to the predetermined period collection;
Discharge and recharge parameter on said charging and discharging state information on the said control analysis unit 13 more corresponding time points and the reference curve; The side-play amount that draws when comparative result is rechecked said electric battery, and is judged whether to meet review requirements during greater than preset value; If do not meet; Then be judged to be defective battery,, be judged to be qualified battery if meet.
As preferably, said load is a variable load, can the different needs for electricity with electric automobile of different electric electrical automobile type be tested through the electricity consumption electric current (constant-current discharge pattern) of regulating load.
In the present embodiment, said charging and discharging state information is specially electric battery group terminal voltage, group end electric current, said battery pack temperature, monomer battery voltage, insulating property and immunity to interference.
Above-mentioned parameter is an example with group end electric current under the adjusting of variable load, tests according to said current value step value 0.1A, with the group end current value contrast on the setting discharge current curves on the corresponding time point.Need to prove: said load is preferably the load of continuous variable constant-current discharge, so, said group of electricity electric current continuous variable and constant.
Set to gather the frequency of charging and discharging state information, be specially in discharging and recharging time range one second twice; At interval test in 5 minutes between the charge and discharge, said to discharge and recharge the summation time be 5 hours.Need be that the conduct of said predetermined period and frequency is preferably adopted in the present embodiment clearly, can set, be not limited to above-mentioned form according to actual conditions such as electric battery numbers.
Fig. 2 shows another electric automobile power battery working condition measurement device, comprising:
Something in common is referring to Fig. 1 diagram and explanation thereof; Only describe at present with regard to difference; Compare Fig. 1, illustrated among Fig. 2 and deposited said discharge condition information and side-play amount comparative result in the test packet storage unit 21 with document, said storage unit 21 is connected with said control analysis unit 13.
Fig. 3 shows a kind of electric automobile power battery working condition measurement system, comprising:
Electric automobile power battery group 31, with electric loading 32, collection of simulant signal unit 33 and control analysis unit 34, wherein:
Saidly gather the said collection of simulant signal unit 33 of said electrokinetic cell charging and discharging state information to be measured, be electrically connected with the electrokinetic cell to be measured 31 of said electric automobile respectively with electric loading 32 with according to predetermined period;
Said collection of simulant signal unit 33 is connected with the charging and discharging state information of the electrokinetic cell to be measured 31 of said said electric automobile with electric loading 32 according to the predetermined period collection;
Said control analysis unit 34, said collection of simulant signal unit is electrically connected and/or wireless connections; With on said charging and discharging state information on the corresponding time point and the reference curve discharge and recharge parameter relatively after, and the side-play amount that after relatively, draws is controlled said system said electric battery 31 is rechecked during greater than preset value.
Need to prove, when said collection of simulant signal unit and control analysis unit not in same place, can carry out the charging and discharging state transmission of Information through wireless modes such as Ethernets.
As preferably, said electric loading 32, collection of simulant signal unit 33 and control analysis unit 34 integrated moldings of using are test cabinet.
Also show among the figure between said electric automobile power battery group 31 and the said test cabinet, and between input power supply and said test cabinet, the insulation measurement appearance 35 of (not shown) is set.
Be serially connected with the shunt 36 on the major loop of said electric automobile power battery group.
Said collection of simulant signal unit 33 monomer voltages with the electric battery that collects 31, electric battery terminal voltage, end electric current and temperature data are uploaded to said control analysis unit 34 through the RS485 bus.
The 34 pairs of electricity consumption electric currents with electric loading in said control analysis unit are precisely controlled and are realized the continuous variable constant current.
In sum:
The utility model embodiment is through (organizing terminal voltage, electric current to the battery power information under the electrokinetic cell charging and discharging state; Parameters such as temperature) test and analyze; With set discharge and recharge parameter relatively after; Make control actions such as reinspection, realized electrokinetic cell come into operation before the technique effect measured of multiparameter, thereby efficient, the reliable power supply when having guaranteed that electrokinetic cell uses.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. an electric automobile power battery working condition measurement device is characterized in that, comprising:
With electric loading, collection of simulant signal unit and control analysis unit, wherein:
Saidly gather the said collection of simulant signal unit of said electrokinetic cell charging and discharging state information to be measured, be electrically connected with electrokinetic cell to be measured respectively with electric loading with according to predetermined period;
The control analysis unit of rechecking control when the information of discharging and recharging and the side-play amount of reference information greater than preset value is electrically connected and/or wireless connections with said collection of simulant signal unit.
2. device according to claim 1 is characterized in that, the said electric loading of using is electricity consumption electric current continuous variable constant load.
3. device according to claim 1 is characterized in that, also comprises: deposit said discharge condition information and side-play amount comparative result in the test packet storage unit with document, said storage unit is connected with said control analysis unit.
4. an electric automobile power battery working condition measurement system is characterized in that, comprising: electric automobile power battery group, with electric loading, collection of simulant signal unit and control analysis unit, wherein:
With electric loading, collection of simulant signal unit and control analysis unit, wherein:
Saidly gather the said collection of simulant signal unit of said electrokinetic cell charging and discharging state information to be measured, be electrically connected with the electrokinetic cell to be measured of said electric automobile respectively with electric loading with according to predetermined period;
The control analysis unit of rechecking control when the information of discharging and recharging and the side-play amount of reference information greater than preset value is electrically connected and/or wireless connections with said collection of simulant signal unit.
5. system according to claim 4 is characterized in that, also comprises: be serially connected with the shunt on the major loop of said electric automobile power battery group.
6. system according to claim 4 is characterized in that, saidly is shaped to test cabinet with electric loading, collection of simulant signal unit and control analysis unit integral.
7. system according to claim 6 is characterized in that, between said electric automobile power battery group and said test cabinet, and the insulation measurement appearance that between input power supply and said test cabinet, is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120226600U CN202141794U (en) | 2011-06-29 | 2011-06-29 | Electric automobile power cell working condition test device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120226600U CN202141794U (en) | 2011-06-29 | 2011-06-29 | Electric automobile power cell working condition test device and system |
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| Publication Number | Publication Date |
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| CN202141794U true CN202141794U (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120226600U Expired - Fee Related CN202141794U (en) | 2011-06-29 | 2011-06-29 | Electric automobile power cell working condition test device and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012249A1 (en) * | 2012-07-20 | 2014-01-23 | 华北电力大学 | Electric vehicle charge-discharge simulation system and method thereof |
| CN104076294A (en) * | 2014-07-11 | 2014-10-01 | 上海工程技术大学 | Load device for testing battery performance of electric vehicle |
| CN106093664A (en) * | 2016-08-01 | 2016-11-09 | 国网山东省电力公司青岛供电公司 | Electric car conduction charging measurement system |
| CN106680579A (en) * | 2017-02-22 | 2017-05-17 | 浙江零跑科技有限公司 | Circuit module of integrated multi-function detection and sampling method |
| CN109471038A (en) * | 2018-11-12 | 2019-03-15 | 芜湖奇达动力电池系统有限公司 | Electric automobile power battery packet performance automatic test system and test method |
-
2011
- 2011-06-29 CN CN201120226600U patent/CN202141794U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012249A1 (en) * | 2012-07-20 | 2014-01-23 | 华北电力大学 | Electric vehicle charge-discharge simulation system and method thereof |
| CN104076294A (en) * | 2014-07-11 | 2014-10-01 | 上海工程技术大学 | Load device for testing battery performance of electric vehicle |
| CN104076294B (en) * | 2014-07-11 | 2017-02-01 | 上海工程技术大学 | Load device for testing battery performance of electric vehicle |
| CN106093664A (en) * | 2016-08-01 | 2016-11-09 | 国网山东省电力公司青岛供电公司 | Electric car conduction charging measurement system |
| CN106093664B (en) * | 2016-08-01 | 2023-06-06 | 国网山东省电力公司青岛供电公司 | Conduction charging test system for electric automobile |
| CN106680579A (en) * | 2017-02-22 | 2017-05-17 | 浙江零跑科技有限公司 | Circuit module of integrated multi-function detection and sampling method |
| CN109471038A (en) * | 2018-11-12 | 2019-03-15 | 芜湖奇达动力电池系统有限公司 | Electric automobile power battery packet performance automatic test system and test method |
| CN109471038B (en) * | 2018-11-12 | 2021-08-20 | 芜湖奇达动力电池系统有限公司 | Automatic performance test system and test method for power battery pack of electric automobile |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20190629 |