CN103064029A - Environmental simulation testing device and testing method of power battery pack - Google Patents
Environmental simulation testing device and testing method of power battery pack Download PDFInfo
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- CN103064029A CN103064029A CN2012105548780A CN201210554878A CN103064029A CN 103064029 A CN103064029 A CN 103064029A CN 2012105548780 A CN2012105548780 A CN 2012105548780A CN 201210554878 A CN201210554878 A CN 201210554878A CN 103064029 A CN103064029 A CN 103064029A
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Abstract
The invention relates to an environmental simulation testing device and a testing method of a power battery pack. The testing device comprises a testing chamber (1), a six-free-degree movable platform body (6), a temperature and humidity alternating testing box (4) and an air channel (3), wherein the testing chamber (1) is used for containing a battery to be tested, the six-free-degree movable platform body (6) is used for driving the testing chamber (1) to move, the temperature and humidity alternating testing box (4) is used for delivering gas after temperature and humidity processing to the testing chamber (1), and the air channel (3) is used for achieving the airflow communication of the testing chamber (1) and the temperature and humidity alternating testing box (4).
Description
Technical field
The present invention relates to a kind of power battery pack environment simulation test device, be used for the actual environment condition that the simulation electrokinetic cell uses in groups (comprise temperature, humidity, vibration, impact, wave etc.) and Tank and Armoured Vehicle actual operating mode (containing various weather conditions and pavement behavior) and the test platform that designs.The control method that also relates to above-mentioned power battery pack environment simulation test device.
Background technology
Expansion along with new-energy automobile industry demonstration operation scope, the new-energy automobile demonstration operation has been cultivated a plurality of automobile and parts enterprises with new-energy automobile core technology, formed the specialized talent team, accumulated a large amount of actual operating data, successful experience, also exist simultaneously fast such as the battery performance decay, serviceable life is short, environment for use has the problems such as limitation, reliability have much room for improvement.The environmental suitability of electrokinetic cell system becomes the important indicator of estimating its performance quality.Environment and different applying working conditions by the actual use of simulation electrokinetic cell system build up in groups application testing platform of electrokinetic cell,
Yet, existing electrokinetic cell system environmental simulation has many deficiencies, only carry out the single environment simulation test, such as vibration, damp and hot, high temperature, low temperature etc., complete simulated battery system real work environment, can not effectively examine battery system in experimental stage, cause battery system when actual motion, to have potential safety hazard.Motion, temperature variation, humidity that the present invention can simulate the six-freedom degree in the electrokinetic cell use simultaneously change, to the integrated environment adaptability examination of electrokinetic cell system and other vehicle components.
Summary of the invention
For existing deficiency, the invention provides a kind of environment simulation test device for power battery pack and method of testing thereof.Proving installation comprises placing the test cabinet of tested battery, drive the six-freedom motion stage body of test cabinet motion, transmit the humiture Alternating Test case of the gas after humiture is processed to test cabinet, and realize the air channel that test cabinet and humiture Alternating Test case air-flow communicate.
The air channel can be supported by several multi-angle motion brackets among the present invention, and the six-freedom motion stage body can be driven by six electric cylinders.
Can be provided with Temperature Humidity Sensor in the test cabinet of the present invention; Humiture Alternating Test case is provided with refrigeration system, heating system, humidification system, dehumidifying and unwatering system, and air circulation system, by air circulation system the gas after humiture is processed is sent into test cabinet through the air channel.
Power battery pack environment simulation test device of the present invention also is provided with control system, comprises the master controller that sends test cabinet motor pattern order and/or test cabinet humiture environmental directives; Receive the instruction of master controller motor pattern, drive the motion of six-freedom motion stage body, and can realize that six-freedom motion stage body motor pattern monitors-adjust the 6-dof motion platform control system of closed-loop control; Receive master controller humiture environmental directives, drive the gas after humiture Alternating Test case transmits the humiture processing, and can realize the humiture Alternating Test case control system of temperature-humidity monitoring in the test cabinet-adjustment closed-loop control.
6-dof motion platform control system of the present invention can comprise the 6-dof motion platform controller, servo-driver, rotary encoder and Hall original paper.Wherein, the 6-dof motion platform controller receives the instruction of master controller motor pattern, and then send steering order to servo-driver, reception is by the exercise data of rotary encoder and/or Hall element feedback, itself and the instruction of master controller motor pattern are compared, then send the adjustment instruction to servo-driver; The 6-dof motion platform controller feeds back exercise data to master controller simultaneously, and when needing, these data are as test trigger signal.
Servo-driver receives controls or adjusts instruction, drives the servomotor rotation, and drives the ball-screw rotation, and ball-screw cooperates with ball nut, is the rectilinear motion of cylinder barrel with rotational transform.Rotary encoder is measured servomotor or ball-screw exercise data and with data feedback.The Hall original paper is measured cylinder bucket position, thereby measures the 6-dof motion platform curve movement, and with data feedback.
Humiture Alternating Test case control system of the present invention comprises humiture Alternating Test case controller and Temperature Humidity Sensor.Humiture Alternating Test case controller is accepted master controller humiture environmental directives, and reception is located at the humiture data of the Temperature Humidity Sensor in the test cabinet, itself and master controller humiture environmental directives are compared, drive or adjust humiture Alternating Test case air circulation system, refrigeration system, heating system, humidification system and/or dehumidifying and unwatering system; Humiture Alternating Test case controller feeds back the humiture data to master controller simultaneously, and when needing, these data are as test trigger signal; Temperature Humidity Sensor is measured the test indoor temperature and humidity, and with the data feedback that records to humiture Alternating Test case controller.
Electrokinetic cell environmental simulation method of testing of the present invention comprises the first step, and tested battery is fixed in the test cabinet;
Second step, master controller sends test cabinet motor pattern instruction and/or test cabinet humiture environmental directives;
In the 3rd step, the 6-dof motion platform control system receives the instruction of master controller motor pattern, drives the motion of six-freedom motion stage body, and closed-loop control is monitored-adjusted to realization six-freedom motion stage body motor pattern; And/or
Humiture Alternating Test case control system receives master controller humiture environmental directives, drives the gas after humiture Alternating Test case transmits the humiture processing, and realizes temperature-humidity monitoring in the test cabinet-adjustment closed-loop control;
In the 4th step, master controller sends the instruction of test battery performance, and test data feeds back to master controller.
Method of testing of the present invention is the environment for use of simulated battery system accurately, electrical property, reliability and the security of Validity Test Novel power battery system under reproduction spectrum of road surface roughness and the dynamic environment such as specific humiture or humiture variation.
Description of drawings
Fig. 1 is the schematic diagram of power battery pack environment simulation test device of the present invention;
Fig. 2 is the control flow chart of power battery pack environment simulation test device of the present invention
Embodiment
For making purpose of the present invention, content and advantage clearer, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
The electromechanical six-freedom motion stage body 6 of selecting electric cylinder to drive can realize that sine wave, Else Rule involve input and the motion reproduction of random spectrum.The simulation test of any single-degree-of-freedom can be realized, any multivariant composite test (combination in any that comprises 2 degree of freedom, 3 degree of freedom, 4 degree of freedom, 5 degree of freedom, 6 degree of freedom) can be realized again.
Test cabinet 1 can be installed in six-freedom motion table top 2 above because the test cabinet 1 bottom weight that will bear electrokinetic cell, so wind passage mouth is driveed in the side or the top, air channel 3 is connected to the air channel opening part of test cabinet 1.
When test cabinet 1 and tested electric battery are moved with six-freedom motion stage body 6, air channel 3 is also along with together motion, so can constantly be stretched and crooked, support by multi-angle motion bracket 5, can make air channel 3 carry out the swing of any degree of freedom along with test cabinet, and guarantee the reliable and secure operation in air channel.
In 6-dof motion platform when motion,, humiture Alternating Test case 4 is by the 3 pairs of test cabinets in air channel freeze, dynamic similation environmental testing system is controlled in humidification, heating and dehumidifying humiture environment.
Simultaneously send the environment steering order to 6-dof motion platform controller and humiture Alternating Test case controller by dynamic similation environmental testing system master device by system bus, the 6-dof motion platform controller sends steering order to servo-driver, the rotation of servo driver drives servomotor, and the drive ball-screw rotates, ball-screw cooperates with ball nut, be the rectilinear motion of cylinder barrel with rotational transform, when six electric cylinders move by the mode of software set, get final product the motion of implementation platform six-freedom degree.Simultaneously, the movable information of servomotor feeds back to the 6-dof motion platform controller by rotary encoder, and the 6-dof motion platform controller according to finally being converted to the electric cylinder displacement, is realized closed-loop control with strokes per minute.So just reach the programmed control of whole motion process.And by Hall original paper test cylinder bucket position, thereby test out the real curve movement of 6-dof motion platform, and feed data back to the 6-dof motion platform controller.
Humiture Alternating Test case controller can send steering order to refrigeration system, heating system, humidification system respectively according to the software input parameter, temperature, the humidity environment of refrigeration system, heating system, humidification system, dehumidifying and unwatering system control test cabinet, Temperature Humidity Sensor in the test cabinet can with the environmental testing parameter feedback to humiture Alternating Test case controller, form closed-loop control.
6-dof motion platform controller and humiture Alternating Test case controller feed back to dynamic similation environmental test system primary controller with test parameter by bus respectively, store this parameter, and test data can be used as trigger pip simultaneously.
Dynamic similation environmental test system control method of the present invention adopts integrated control program, makes six degree of freedom testing table and temperature humidity alternating temperature humidity test chamber can distinguish separately control, also can unify control, and test data also can be used as each other controlled condition.
The measuring technology index of power battery pack environment simulation test device of the present invention is as follows:
1) the kinematic system rated load is 3000Kg;
2) kinematic system displacement, speed, acceleration index are as shown in the table:
Positioning error: the precision of system's pose is better than 1%, three position Static positioning accuracy<5mm of full scale, three attitude angle Static positioning accuracy<0.05 °, the minimum Acceleration of starting degree 0.02g of system;
Motion frequency scope: 0Hz-5Hz;
Test cabinet size: 1500mm * 1500mm * 800mm (dark * wide * height) (1.8m3);
Physical dimension (casing): about 2200mm * 1700mm * 1100mm (dark * wide * height);
Temperature range :-60~+ 80 ℃;
Temperature fluctuation: ± 0.3 ℃;
Temperature uniformity :≤2 ℃;
Temperature deviation: ± 2 ℃;
Temperature rate: 1~3 ℃/min controlled (zero load);
Humidity range: 20%~98%;
Humidity deviation :≤± 3% (humidity>75% time); ≤ ± 5% (humidity≤
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (10)
1. power battery pack environment simulation test device, it is characterized in that, comprise placing the test cabinet (1) of tested battery, drive the six-freedom motion stage body (6) of test cabinet (1) motion, transmit the humiture Alternating Test case (4) of the gas after humiture is processed to test cabinet (1), and realize the air channel (3) that test cabinet (1) and humiture Alternating Test case (4) air-flow communicate.
2. proving installation as claimed in claim 1 is characterized in that, air channel (3) are supported by several multi-angle motion brackets (5).
3. proving installation as claimed in claim 1 is characterized in that, six-freedom motion stage body (6) is driven by six electric cylinders.
4. proving installation as claimed in claim 1 is characterized in that, test cabinet is provided with Temperature Humidity Sensor in (1); Humiture Alternating Test case (4) is provided with refrigeration system, heating system, humidification system, dehumidifying and unwatering system, and air circulation system, by air circulation system with the gas after humiture is processed through the air channel (3) send into test cabinet (1).
5. such as the described proving installation of claim 1~4, it is characterized in that, this device also is provided with control system, and it comprises the master controller that sends test cabinet (1) motor pattern order and/or test cabinet (1) humiture environmental directives;
Receive the instruction of master controller motor pattern, drive six-freedom motion stage body (6) motion, and can realize that six-freedom motion stage body (6) motor pattern monitors-adjust the 6-dof motion platform control system of closed-loop control;
Receive master controller humiture environmental directives, drive the gas after humiture Alternating Test case (4) transmits the humiture processing, and can realize the humiture Alternating Test case control system of the interior temperature-humidity monitoring of test cabinet (1)-adjustment closed-loop control.
6. proving installation as claimed in claim 5, it is characterized in that, the 6-dof motion platform control system comprises the 6-dof motion platform controller, it receives the instruction of master controller motor pattern, and then send steering order to servo-driver, reception is compared itself and the instruction of master controller motor pattern by the exercise data of rotary encoder and/or Hall element feedback, then sends the adjustment instruction to servo-driver; The 6-dof motion platform controller feeds back exercise data to master controller simultaneously, and when needing, these data are as test trigger signal;
Servo-driver, it receives controls or adjusts instruction, drives the servomotor rotation, and drives the ball-screw rotation, and ball-screw cooperates with ball nut, is the rectilinear motion of cylinder barrel with rotational transform;
Rotary encoder, it measures servomotor or ball-screw exercise data and with data feedback;
The Hall original paper, it measures cylinder bucket position, thereby measures the 6-dof motion platform curve movement, and with data feedback.
7. proving installation as claimed in claim 5, it is characterized in that, humiture Alternating Test case control system comprises humiture Alternating Test case controller, it accepts master controller humiture environmental directives, receives the humiture data that are located at the Temperature Humidity Sensor in the test cabinet (1), and itself and master controller humiture environmental directives are compared, drive or adjust humiture Alternating Test case (4) air circulation system, refrigeration system, heating system, humidification system and/or dehumidifying and unwatering system; Humiture Alternating Test case controller feeds back the humiture data to master controller simultaneously, and when needing, these data are as test trigger signal;
Temperature Humidity Sensor, it measures the interior humiture of test cabinet (1), and with the data feedback that records to humiture Alternating Test case controller.
8. an electrokinetic cell environmental simulation method of testing is characterized in that,
The first step is fixed on tested battery in the test cabinet (1);
Second step, master controller sends test cabinet (1) motor pattern instruction and/or test cabinet (1) humiture environmental directives;
In the 3rd step, the 6-dof motion platform control system receives the instruction of master controller motor pattern, drives six-freedom motion stage body (6) motion, and closed-loop control is monitored-adjusted to realization six-freedom motion stage body (6) motor pattern; And/or
Humiture Alternating Test case control system receives master controller humiture environmental directives, drives the gas after humiture Alternating Test case (4) transmits the humiture processing, and realizes the interior temperature-humidity monitoring of test cabinet (1)-adjustment closed-loop control;
In the 4th step, master controller sends the instruction of test battery performance, and test data feeds back to master controller.
9. method of testing as claimed in claim 8 is characterized in that,
6-dof motion platform controller in the 6-dof motion platform control system receives the instruction of master controller motor pattern, and then sends steering order to servo-driver; The rotation of servo driver drives servomotor, and drive the ball-screw rotation, ball-screw cooperates with ball nut, is the rectilinear motion of cylinder barrel with rotational transform;
The 6-dof motion platform controller receives the exercise data by rotary encoder and/or Hall element feedback, and itself and the instruction of master controller motor pattern are compared, and then sends the adjustment instruction to servo-driver; The 6-dof motion platform controller feeds back exercise data to master controller simultaneously, and when needing, these data are as test trigger signal.
10. method of testing as claimed in claim 8 is characterized in that, the humiture Alternating Test case controller in the humiture Alternating Test case control system receives master controller humiture environmental directives;
Humiture Alternating Test case controller receives the humiture data that are located at the Temperature Humidity Sensor in the test cabinet (1), itself and master controller humiture environmental directives are compared, drive or adjust humiture Alternating Test case (4) air circulation system, refrigeration system, heating system, humidification system and/or dehumidifying and unwatering system; Humiture Alternating Test case controller feeds back the humiture data to master controller simultaneously, and when needing, these data are as test trigger signal.
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CN103728565A (en) * | 2013-12-19 | 2014-04-16 | 惠州市亿能电子有限公司 | Method for detecting whether battery pack is qualified or not |
CN105243912A (en) * | 2015-10-30 | 2016-01-13 | 电子科技大学 | Gas-liquid driven six-freedom parallel motion platform system for motion simulation |
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CN109696636A (en) * | 2018-12-29 | 2019-04-30 | 蜂巢能源科技有限公司 | Battery check device |
CN109917304A (en) * | 2019-04-16 | 2019-06-21 | 北京中科行运科技有限公司 | A kind of battery context adaptive detection device |
CN118244129A (en) * | 2024-05-28 | 2024-06-25 | 纬景储能科技有限公司 | Flow battery environment testing device |
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