CN201886133U - Improved battery testing system - Google Patents
Improved battery testing system Download PDFInfo
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- CN201886133U CN201886133U CN201020501358XU CN201020501358U CN201886133U CN 201886133 U CN201886133 U CN 201886133U CN 201020501358X U CN201020501358X U CN 201020501358XU CN 201020501358 U CN201020501358 U CN 201020501358U CN 201886133 U CN201886133 U CN 201886133U
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Abstract
The utility model provides an improved battery testing system which comprises an input unit, a charging path, a discharge path, a data acquisition unit, a signal processing unit, a display unit and a control unit, and is characterized in that the charging path and the discharge path respectively and internally comprise a relay controlled by the control unit; one or more battery (batteries) to be tested is/are respectively connected with the charging path and the discharge path in series by the relays; the control unit is connected with the relays, and is used for respectively controlling the power on and off time of the relays according to the testing types set on the input unit, so that the charging and discharge time of the battery (batteries) to be tested can be controlled when the battery (batteries) to be tested is/are tested; the data acquisition unit is connected with the battery (batteries) to be tested for acquiring data; a data processing unit is connected with the data acquisition unit for processing the acquired data and obtaining the test data; and the data processing unit is connected with the display unit for transmitting the test data into the display unit for displaying the data.
Description
Technical field
The utility model relates to a kind of method and system that is used for the test battery performance, inner each battery unit of particularly a kind of accurately monitoring battery group and improved battery test system and the method thereof that can test different electric battery execution variety classeses simultaneously.
Background technology
Along with the fast development of electronic technology, each electronic product is also more and more higher to the requirement of accumulator quality and stability.Before using accumulator, in order to guarantee the operate as normal of electronic equipment, usually according to actual needs, carry out dissimilar tests to accumulator, as, volume test, cycle life test or floating charge test etc.
Volume test is in order to know the actual capacity of accumulator, and battery capacity is the rated voltage that provided by battery and electric current definition, and this test can detect the actual rated power of battery to determine whether this battery meets international standard.The cycle life test is the charge and discharge cycles number of times in order to determine that battery can reach, this test normally at the several times of battery (for example, 50 times) measure the capacity of battery after the charge and discharge cycles once more, see according to specifically being used for this moment, whether battery capacity meeted the requirements, whether qualified to judge battery.The floating charge test is the ager process that at high temperature quickens battery, estimates that the testing total time generally is 6 months, measures battery capacity in test once more after 6 months.The purpose of floating charge test is aging speed faster than our expection whether that detects battery.In simple terms, these test-types relate to different battery charging and discharging time combinations.
More existing in the market battery test apparatus, but there is following problem in they.At first, in existing battery cell monitoring or test macro, can not carry out dissimilar tests to different batteries simultaneously.For example, existing test macro only can be carried out the cycle life test to all coupled batteries, and can't carry out different tests to each battery, as, battery A is carried out the cycle life test, battery B is carried out volume test.Like this, if the user wants different batteries are carried out dissimilar tests, just can only operate several times, perhaps buy many testing apparatuss, this can increase user's time overhead and financial cost greatly.Secondly, existing battery test system is only paid close attention to the integral status of tested battery pack usually, and can't monitor the running parameter of each battery unit in the battery pack.Like this, if the some battery units in the battery pack break down, the existing battery test system of use can not in time be determined the fail battery unit and take appropriate measures.Once more, existing battery test system, the test that often needs to use and have control port (as, RS232/IEEE488 port) is with load or direct supply (DC power supply), and can't be complementary with load or DC power supply with the test that does not comprise this control port.This has equally also limited the user to the selection of test with load and DC power supply.
In order to solve the above prior-art problems, the utility model provides a kind of improved battery test system and corresponding test method.
The utility model content
In order to overcome the above problems, the utility model provides a kind of accumulator method for testing reliability and system.
According to first aspect of the present utility model, a kind of battery test system that can carry out the polytype test to one or more mesuring battaries is provided, comprise: input block, charge path, discharge path, data acquisition unit, signal processing unit, display unit and control module, it is characterized in that: comprise relay in described charge path and the discharge path respectively, described relay is controlled by described control module; Described one or more mesuring battary is connected with described charge path and discharge path by described relay respectively; Described control module links to each other with described relay, and come the energising and the power-off time of pilot relay respectively according to the test-types of setting on the described input block, with when described mesuring battary is tested, control is to the charging and the discharge time of described mesuring battary; Described data acquisition unit is connected with image data with described mesuring battary; Described data processing unit is connected with described data acquisition unit, the data of its collection is handled obtaining test data; And described data processing unit is connected to described display unit, is shown so that described test data is transferred to described display unit.
Utilize above configuration, battery test system of the present utility model can be carried out dissimilar tests simultaneously to the mesuring battary that connects.And enforcement the utility model is described and the connected mode of data acquisition unit, not only can monitor and test the performance of whole battery group, can also monitor the data of each battery unit in the electric battery.
Description of drawings
Fig. 1 shows the configured in one piece synoptic diagram according to battery test system 1 of the present utility model;
Fig. 2 shows charge path and the discharge path according to mesuring battary in the battery test system of an embodiment of the present utility model;
Fig. 3 shows each terminals according to the battery of an embodiment of the present utility model;
Fig. 4 shows the connection diagram according to data collecting card in the battery test system of an embodiment of the present utility model;
Fig. 5 schematically shows the configuration according to the relay 3 of an embodiment of the present utility model;
Fig. 6 shows the connection diagram of using load 5 according to the test of an embodiment of the present utility model;
Fig. 7 shows the connection diagram according to the DC power supply 4 of an embodiment of the present utility model;
Fig. 8 shows the process flow diagram according to battery testing method of the present utility model;
Fig. 9 shows an embodiment of battery testing method of the present utility model;
Figure 10 shows the user's entr screen according to the embodiment of Fig. 9;
Figure 11 shows the display screen as a result according to the embodiment of Fig. 9; And
Figure 12 A shows the test result figure of prior art, and Figure 12 B and 12C show test result figure of the present utility model.
Embodiment
In this manual, for easy, will comprise that the various batteries of accumulator, battery pack and disposable battery and electric battery thereof are referred to as " battery "; " mesuring battary " refers to and is connected the battery that will test on the battery test system; " battery unit " represents to form the battery unit or the primary element of electric battery or battery pack here.
The utility model is on the basis of existing test macro, and by increasing relay and data collecting card, the dirigibility that has improved system has greatly solved above-mentioned problems of the prior art.
Below in conjunction with accompanying drawing hardware configuration of the present utility model is described.Fig. 1 shows the configured in one piece of battery test system 1 of the present utility model.Battery test system 1 comprises several test cells, each test cell (as shown in Figure 2) by DC power supply 4, contain the charge path of relay 3, mesuring battary 2 contain the discharge path of relay 3, and test is formed with load 5.Mesuring battary 2 is connected to DC power supply 4 by charge path, is connected to test load 5 by discharge path, and relay 3 is connected to computing machine 6 simultaneously, so that come pilot relay 3 by the microprocessor 7 of computing machine, with the break-make of control charge path and discharge path.In test process, tested battery 2 will be through repeatedly discharging and recharging.The test-types of each mesuring battary is specified by the user, and charging and the discharge time corresponding with the fc-specific test FC type can be provided with by the user, also can the interior predefined acquiescence of using system discharge and recharge the time.Microprocessor in the computing machine is behind the test-types that receives user's input, send control signal according to test-types, pilot relay conducting or turn-off charge path and discharge path, thus control battery and DC power supply are connected or disconnect with testing with load, battery is recharged or discharges.
In battery test system 1 of the present utility model, owing to used relay 3, control by 7 pairs of relays 3 of microprocessor, the charge path of each tested battery and the on/off state of discharge path can be controlled respectively, thereby the purpose of dissimilar tests can be realized different batteries are carried out.In addition, in battery test system of the present utility model, the DC power supply directly is not connected with computing machine with load with test, but connects by relay, therefore, do not need as in the prior art, to require to use DC power supply and the test load that has control interfaces such as IEEE488/RS232.In one embodiment, relay links to each other with computing machine by the RS232 control interface.
Describe each ingredient of this battery test system below in detail.Because the principle of work of computing machine is well known to those skilled in the art, comprise communication and principle of work between main frame, microprocessor and the control interface of computing machine, therefore repeat no more here.As shown in Figure 3, electric battery 2 has positive terminal 21 and the negative terminal 22 that is used for supplying voltage/current, and binding post CH1-CH6, be used for being connected to each terminal of data collecting card 8 (DAQ card), so that the data that DAQ card 8 is gathered each battery unit in the electric battery 2.In this embodiment, electric battery 2 comprises 6 batteries unit, and use 6 binding posts to monitor these battery units, but the utility model is not so limited, but the binding post of any batteries unit and respective amount can be arranged, perhaps, also can use the binding post of more or less quantity and be provided with by the user.In this embodiment, be equipped with independent DAQ card 8 for each electric battery to be tested 2.
In battery test system of the present utility model, owing to use the binding post of each battery unit in DAQ card and the electric battery to link to each other, just can gather the data of each battery unit, thereby monitor, even, check to make things convenient for the user for each battery unit runs a curve.Like this, for the situation that the some battery units in the battery pack break down, just can determine the fail battery unit timely and accurately and take appropriate measures.
As shown in Figure 4, the DAQ card 8 that links to each other with each battery unit in the electric battery is inserted in the data recorder 9, and DAQ card 8 and data recorder 9 be further by control interface, as, the IEEE488 control interface is connected to computing machine 6.DAQ card 8 when the order that receives from computing machine 6, from battery 2 image data, and with the data storage of gathering on data recorder 9.Computing machine 6 is obtained data and is handled from data recorder 9, generating test result, and is presented at the form of numerical value or curve and offers the user on the display.In this embodiment, the function of DAQ card is as interface, collects the data of each battery in the electric battery, and data are handed to computing machine, for example, is used to analyze or curve plotting figure.
Fig. 5 schematically shows the configuration of relay 3.Microprocessor control charging pin 31, microprocessor control discharge pin 32 and the microprocessor reseting pin 33 of relay 3 is connected to the microprocessor 7 of computing machine 6, to come pilot relay 3 by microprocessor 7, relay 3 is resetted to be switched on or switched off charge path, discharge path.
Fig. 6 schematically shows the be connected situation of test with load 5 and DC power supply 4 respectively with Fig. 7.Test has separately positive pole and negative terminal respectively with load 5 and DC power supply 4, and one of them terminal connects tested battery, and the other end then connects relay.In one embodiment, test the negative terminal 21 that can be connected to battery 2 with the negative terminal 51 of load 5, positive terminal 52 is connected to the microprocessor control discharge pin 32 of relay 3; Correspondingly, the negative terminal 41 of DC power supply 4 connects the negative terminal 21 of tested battery 2, and positive terminal 42 is connected to the microprocessor control charging pin 31 of relay 3.
Utilize above configuration, battery test system of the present utility model can be carried out dissimilar tests simultaneously to the mesuring battary that connects.And, can also monitor the data of each battery unit in the electric battery having implemented to monitor and to test the performance of whole battery group under the described situation with the data collecting card connected mode of the utility model.
After having introduced hardware composition of the present utility model, next describe in conjunction with the performed battery testing method of battery test system of the present utility model.With reference to figure 8, this processing starts from step 801.At first, be respectively the one or more mesuring battary nominative testing types (step 802) that are connected to this battery test system by the user by input block (for example, the keyboard of computing machine and mouse).Then, come the energising and the power-off time of pilot relay by control module according to the test-types of user input, with the charging of control mesuring battary and the battery testing (step 803) of carrying out this test-types discharge time.Then, handle and advance to step 804, data acquisition unit is connected with image data with mesuring battary.In step 805, data processing unit is connected to described data acquisition unit handles with data to its collection.At last, give described display unit to be shown to user (806) data transmission after handling.
Further describe above-mentioned method below in conjunction with specific embodiment.Should be understood that the details among this embodiment is for the ease of understanding, and do not constitute any restriction of the present utility model.Fig. 9 shows an embodiment of battery testing method of the present utility model.The user at first selects test-types (901), and this will describe in detail in conjunction with Figure 10 below.Then, alternatively, the user can be by importing charge/discharge/stop time interval (902) that the fc-specific test FC type is provided with such as input medias such as mouse, keyboards.If the user does not have input time at interval, then can call predefined default time at interval.Next, the user can import the setting of DAQ card.In the present embodiment, data recorder can be inserted 6 DAQ cards (DAQ card quantity herein only is to illustrate for example, can select quantity arbitrarily in actual applications) at most, every corresponding mesuring battary group of DAQ card.If the electric battery quantity of wanting to test is less than 6, then the user can select the DAQ card (903) of actual use by input media.For example, if DAQ card 1 and DAQ card 2 are only selected in user's input, then computing machine is only controlled this two DAQ cards.After selection finished, the user pressed the Start button, test beginning (904).Microprocessor in the computing machine is provided with pilot relay according to the user's, with switch on and off (905) of control charge path and discharge path.Simultaneously, computing machine begins to obtain and write down the data (906) of tested battery to the data recorder transmitting control commands.The data of obtaining are transferred back to the processor of computing machine, and processor can be handled data.On screen window, show the data of real-time update, also can come curve plotting (907) based on these data.In this embodiment, can in hard disc of computer, generate " .txt " file, and along with test process real-time update this document, to store the data of returning from data recorder (908).
Screenshot capture with reference to Figure 10, for each mesuring battary group, the user selects a kind of in one row of window left side from " Capacity (capacity) ", " Cycle Life (cycle life) " and " Floating (floating charge) " these optional test-types, presses the Set1-Set6 button then to set test-types.After " start (beginning) " button is pressed, the test of this battery has just been begun.
The interface that is presented on display as shown in figure 11.The data that show each battery unit in the electric battery of the test-types choose, battery types, real-time update from left to right respectively, and minute being the time interval of unit.This time interval can be set by the user, if do not receive the time interval of user's input, then processor calls default default time at interval automatically.After beginning test, Set1-Set6 button and Start button become ash, and the user can press the Stop button at any time and stops test to particular battery.
Understand easily,, can carry out various modifications and distortion to above embodiment in actual applications as long as can realize various advantage of the present utility model according to principle design of the present utility model.Utilizing computing machine to come curve plotting and interface is technology as known in the art, therefore discusses no longer in detail here.
Existing test macro and the resulting result of test macro of the present utility model are used in contrast below.Figure 12 A shows the result of existing battery test system, wherein only can show the voltage and current of whole battery group to the user.Figure 12 B and 12C are the results of battery test system of the present utility model, and except the voltage and current of whole battery group, the voltage and current curve of each battery unit is also drawn to come out.Especially, Figure 12 C shows the situation of finding the battery unit fault.From the voltage curve of each battery unit, can observe battery unit 6 fault has taken place.Find out that easily test result of the present utility model has the advantage that can monitor each battery unit in the electric battery.
Battery test system of the present utility model goes for multiple battery, as lead-acid battery, lithium battery etc.The function of this system also is not limited to battery capacity test, cycle life test and floating charge test, those skilled in the art understand after reading this instructions easily, by means such as programmings, utilize hardware configuration of the present utility model, in fact can utilize native system to carry out various battery testing.
Claims (7)
1. can carry out the battery test system that polytype is tested to one or more mesuring battaries for one kind, comprising: input block, charge path, discharge path, data acquisition unit, signal processing unit, display unit and control module is characterized in that:
Comprise relay in described charge path and the discharge path respectively, described relay is controlled by described control module;
Described one or more mesuring battary is connected with described charge path and discharge path by described relay respectively;
Described control module links to each other with described relay, and come the energising and the power-off time of pilot relay respectively according to the test-types of setting on the described input block, with when described mesuring battary is tested, control is to the charging and the discharge time of described mesuring battary;
Described data acquisition unit is connected with image data with described mesuring battary;
Described data processing unit is connected with described data acquisition unit, the data of its collection is handled obtaining test data; And
Described data processing unit is connected to described display unit, is shown so that described test data is transferred to described display unit.
2. battery test system as claimed in claim 1 further comprises several test cells, and by direct supply, the charge path that contains described relay, described mesuring battary, contain the discharge path of described relay, and test is formed with load.
3. battery test system as claimed in claim 1 or 2, wherein said data acquisition unit comprises data collecting card, is used to gather the data of described mesuring battary, wherein each described mesuring battary and a described data acquisition card connection.
4. battery test system as claimed in claim 3 also comprises data recorder, is connected between described data collecting card and the data processing unit, sends data processing unit to the storage data of being gathered and with data.
5. battery test system as claimed in claim 1, wherein said input block are the keyboard and the mouse of computing machine, and described display unit is the display of computing machine, and described control module is the microprocessor in the computing machine.
6. battery test system as claimed in claim 3, wherein said data collecting card links to each other with computing machine by the IEEE488 card.
7. battery test system as claimed in claim 1, wherein said relay links to each other with computing machine by the RS232 control interface.
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CN201020501358XU CN201886133U (en) | 2010-08-20 | 2010-08-20 | Improved battery testing system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102375123A (en) * | 2010-08-20 | 2012-03-14 | 雅达电子有限公司 | Improved battery testing system and method |
CN102565711A (en) * | 2011-12-02 | 2012-07-11 | 毛广甫 | Method for testing voltage condition of battery pack |
CN102830358A (en) * | 2012-03-17 | 2012-12-19 | 长沙理工大学 | Thermoelectric parameter testing device of battery |
CN103630842A (en) * | 2012-08-27 | 2014-03-12 | 微宏动力系统(湖州)有限公司 | Charging detection system of battery pack |
CN107390133A (en) * | 2017-07-28 | 2017-11-24 | 北京易点淘网络技术有限公司 | Battery detection equipment, system and method |
CN113805079A (en) * | 2021-08-07 | 2021-12-17 | 宝星智能科技(上海)有限公司 | Battery pack charging and discharging service life detection device |
-
2010
- 2010-08-20 CN CN201020501358XU patent/CN201886133U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102375123A (en) * | 2010-08-20 | 2012-03-14 | 雅达电子有限公司 | Improved battery testing system and method |
CN102565711A (en) * | 2011-12-02 | 2012-07-11 | 毛广甫 | Method for testing voltage condition of battery pack |
CN102830358A (en) * | 2012-03-17 | 2012-12-19 | 长沙理工大学 | Thermoelectric parameter testing device of battery |
CN102830358B (en) * | 2012-03-17 | 2015-01-21 | 长沙理工大学 | Thermoelectric parameter testing device of battery |
CN103630842A (en) * | 2012-08-27 | 2014-03-12 | 微宏动力系统(湖州)有限公司 | Charging detection system of battery pack |
CN107390133A (en) * | 2017-07-28 | 2017-11-24 | 北京易点淘网络技术有限公司 | Battery detection equipment, system and method |
CN113805079A (en) * | 2021-08-07 | 2021-12-17 | 宝星智能科技(上海)有限公司 | Battery pack charging and discharging service life detection device |
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