CN213986650U - Thermal management performance evaluation testing device for power battery system - Google Patents
Thermal management performance evaluation testing device for power battery system Download PDFInfo
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- CN213986650U CN213986650U CN202022217446.3U CN202022217446U CN213986650U CN 213986650 U CN213986650 U CN 213986650U CN 202022217446 U CN202022217446 U CN 202022217446U CN 213986650 U CN213986650 U CN 213986650U
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Abstract
The utility model relates to a new energy automobile technical field provides a power battery system heat management performance evaluation testing arrangement. This power battery system heat management performance evaluation testing arrangement, including the host computer, charge and discharge tester, environment case and cold water machine, the host computer respectively with charge and discharge tester, environment case and cold water machine are connected, the environment case is used for placing the battery package, the battery package embeds the cold liquid pipeline, the water inlet of cold liquid pipeline passes through water intake pipe with the delivery port of cold water machine and is connected, the delivery port of cold liquid pipeline passes through the return water pipe with the return water mouth of cold water machine and is connected, be equipped with first pressure transmitter on the water intake pipe, be equipped with second pressure transmitter on the return water pipe, first pressure transmitter and second pressure transmitter are connected with the host computer respectively. The utility model discloses the realization has improved the sensitivity and the accuracy of test to the simulation of the true service environment of battery package, guarantees the reliability of test result.
Description
Technical Field
The utility model relates to a new energy automobile technical field especially relates to a power battery system heat management performance evaluation testing arrangement.
Background
In the field of new energy automobiles, the endurance mileage of a power battery in use is most of interest to users. The demand of users can be basically met in summer, but the advantages of the new energy power battery system are no longer obvious in winter or in cold regions, so that the experience of people on new energy automobiles can be caused. The key to solve the problem is to rely on a thermal management system of the power battery system. The power battery thermal management system can ensure that the battery system works within a certain temperature range in different temperature environments, so that the power battery system can discharge with the optimal performance, and the service efficiency of the power battery system is improved. Before a new energy automobile power battery system is put into use, the performance of the new energy automobile power battery system needs to be comprehensively detected and verified so as to ensure that the requirements of users can be met.
At present, a platform for testing and verifying battery thermal management is carried out based on a cold water device, and the heat generation condition of a power battery system in actual operation is simulated as comprehensively as possible by setting different working conditions of temperature and flow rate. However, the test platform has certain limitations based on the difference between the simulation test and the real vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a power battery system heat management performance evaluation testing arrangement to solve the poor problem of current test platform test result reliability.
According to the utility model discloses power battery system heat management performance evaluation testing arrangement, including host computer, charge and discharge tester, environment case and cold water machine, the host computer respectively with charge and discharge tester the environment case with the cold water machine is connected, the environment case is used for placing the battery package, the built-in cold liquid pipeline of battery package, the water inlet of cold liquid pipeline with the delivery port of cold water machine passes through water intake pipe and connects, the delivery port of cold liquid pipeline with the return water mouth of cold water machine passes through the return water pipe and connects, be equipped with first pressure transmitter on the water intake pipe, be equipped with second pressure transmitter on the return water pipeline, first pressure transmitter with second pressure transmitter respectively with the host computer is connected.
According to the utility model discloses power battery system heat management performance evaluation testing arrangement, through setting up first pressure transmitter and second pressure transmitter, gather in real time respectively and through the flow pressure in host computer control inlet channel and the return water pipeline, charge and discharge tester charges for the battery package, the battery package is placed in the environment box, the realization is to the simulation of the true service environment of battery package, the cold water machine provides cold water simultaneously and effectively cools off the battery package, the sensitivity and the accuracy of test have been improved, guarantee the reliability of test result.
According to the utility model discloses an embodiment, the cold water machine includes programmable logic controller, programmable logic controller's input respectively with first pressure transmitter with second pressure transmitter connects, programmable logic controller's output with upper computer connects.
According to the utility model discloses an embodiment, the cold water machine includes the cold water storage cistern, be equipped with the level gauge in the cold water storage cistern, the level gauge with programmable logic controller, the water inlet of cold liquid pipeline with the delivery port of cold water storage cistern passes through water intake pipe connects, the delivery port of cold liquid pipeline with the return water mouth of cold water storage cistern passes through return water pipe connects.
According to the utility model discloses an embodiment, the host computer pass through first communication line with programmable logic controller connects.
According to the utility model discloses an embodiment, programmable logic controller through first sampling line with first pressure transmitter connects, programmable logic controller through second sampling line with second pressure transmitter connects.
According to the utility model discloses an embodiment, the battery package be equipped with respectively with charge and discharge tester's positive negative pole corresponds the positive negative pole of connecting and connects.
According to the utility model discloses an embodiment, the environment incasement is equipped with temperature sensor, temperature sensor pass through the second communication line with the upper computer is connected.
According to the utility model discloses an embodiment, the host computer pass through the third communication line with the charge-discharge tester is connected.
According to the utility model discloses an embodiment, the host computer pass through the fourth communication line with the battery package is connected to be used for monitoring the state parameter of battery package.
According to the utility model discloses an embodiment still includes the power, the power respectively with the host computer charge-discharge tester the environment case with the cold water machine is connected.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model discloses power battery system thermal management performance evaluation testing arrangement's structure block diagram.
Reference numerals:
1. a charge and discharge tester; 2. an upper computer; 3. an environmental chamber; 4. a battery pack; 5. a water chiller; 6. a third communication line; 7. a positive cable; 8. a negative cable; 9. a second communication line; 10. a fourth communication line; 11. a first pressure transmitter; 12. a second pressure transmitter; 13. a water inlet pipeline; 14. a water return pipeline; 15. a first communication line; 16. a programmable logic controller; 17. a first sampling line; 18. a second sampling line.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, the embodiment of the utility model provides a thermal management performance evaluation testing device for a power battery system, which comprises an upper computer 2, a charging and discharging tester 1, an environmental tank 3 and a water chiller 5, the upper computer 2 is respectively connected with the charge and discharge tester 1, the environment box 3 and the water chiller 5, the environment box 3 is used for placing a battery pack 4, a cold liquid pipeline is arranged in the battery pack 4, a water inlet of the cold liquid pipeline is connected with a water outlet of the water cooler 5 through a water inlet pipeline 13, the water outlet of the cold liquid pipeline is connected with the water return port of the water chiller 5 through a water return pipeline 14, a first pressure transmitter 11 is arranged on the water inlet pipeline 13, a second pressure transmitter 12 is arranged on the water return pipeline 14, the first pressure transmitter 11 and the second pressure transmitter 12 are respectively connected with the upper computer 2. It can be understood that the upper computer 2 is respectively connected with the charging and discharging tester 1, the environment box 3 and the water chiller 5, establishes a linkage control function, and timely regulates and controls the whole testing device according to signal information. The positive pole of charge and discharge tester 1 passes through anodal cable 7 to be connected with the anodal connector lug of battery package 4, and the negative pole of charge and discharge tester 1 passes through negative pole cable 8 to be connected with the negative pole connector lug of battery package 4, and battery package 4 corresponds anodal connector lug and negative pole connector lug installation, realizes that charge and discharge tester 1 provides charge and discharge current to battery package 4 for the discharge when the simulation new forms of energy vehicle accelerates in the operation process, and the charging process of energy recuperation in braking or downhill path etc..
Further, battery package 4 sets up in environment case 3, and environment case 3 adopts marching type environment case 3 for the different temperature environment of simulation improves the degree of accuracy and the reliability of test.
Wherein, be equipped with the cold liquid pipeline in the battery package 4, the water inlet of cold liquid pipeline passes through inlet pipe 13 and is connected with the delivery port of cold water machine 5, and the delivery port of cold liquid pipeline passes through return water pipeline 14 and is connected with the return water mouth of cold water machine 5, realizes the circulation of cold water, and then to the cooling or the heating of placing battery package 4 in environment case 3. The water inlet line 13 and the water return line 14 are preferably rubber water pipes.
Furthermore, a first pressure transmitter 11 is arranged on the water inlet pipeline 13, a second pressure transmitter 12 is arranged on the water return pipeline 14, the first pressure transmitter 11 and the second pressure transmitter 12 are respectively connected with the upper computer 2, the first pressure transmitter 11 monitors the flow and the water pressure of the water inlet pipeline 13 in real time, the second pressure transmitter 12 monitors the flow and the water pressure of the water return pipeline 14 in real time, the upper computer 2 monitors the flow and the water pressure of the water return pipeline 14 according to the actual temperature in the environment box 3, and the ambient temperature that needs to be simulated, in combination with the flow and water pressure monitored by first pressure transmitter 11 and second pressure transmitter 12, furthermore, the flow and the water pressure of the water inlet pipeline 13 and the water return pipeline 14 are adjusted through the first pressure transmitter 11 and the second pressure transmitter 12, so that the battery pack 4 is cooled or heated, the performance evaluation test of the battery pack 4 at the actual environment temperature is simulated, and the accuracy and the reliability of the test result are improved.
According to the utility model discloses power battery system heat management performance evaluation testing arrangement, through setting up first pressure transmitter 11 and second pressure transmitter 12, gather in real time respectively and through the flow pressure in host computer 2 control water intake pipe 13 and the return water pipeline 14, charge and discharge tester 1 charges for battery package 4, battery package 4 is placed in environment box 3, the simulation of the true service environment of battery package 4 is realized, cold water machine 5 provides cold water simultaneously and effectively cools off or heats battery package 4, the sensitivity and the accuracy of test have been improved, guarantee the reliability of test result.
According to the utility model discloses an embodiment, cold water machine 5 includes programmable logic controller 16, programmable logic controller 16's input respectively with first pressure transmitter 11 with second pressure transmitter 12 is connected, programmable logic controller 16's output with host computer 2 connects. It can be understood that the water chiller 5 is provided with a programmable logic controller 16, and the input end of the programmable logic controller 16 is respectively connected with the first pressure transmitter 11 and the second pressure transmitter 12, so as to receive the flow and the water pressure of the water inlet pipeline 13 monitored by the first pressure transmitter 11 and the flow and the water pressure of the water return pipeline 14 monitored by the second pressure transmitter 12. Programmable logic controller 16(PLC controller) is connected with host computer 2, realizes flow and water pressure data transmission to host computer 2, and host computer 2 receives data information, according to the calculation of the software program of predetermineeing, host computer 2 will required heating temperature or cooling temperature to and the flow and the water pressure of inlet channel 13, the flow and the water pressure of return water pipeline 14, send the PLC controller to the instruction form, and then the first pressure transmitter 11 of PLC controller control and second pressure transmitter 12 adjust.
According to the utility model discloses an embodiment, cold water machine 5 includes the cold water storage cistern, be equipped with the level gauge in the cold water storage cistern, the level gauge with programmable logic controller 16, the water inlet of cold liquid pipeline with the delivery port of cold water storage cistern passes through water intake pipe 13 is connected, the delivery port of cold liquid pipeline with the return water mouth of cold water storage cistern passes through return water pipeline 14 is connected. It will be appreciated that a liquid level gauge is provided in the cold water tank and connected to the programmable logic controller 16 to monitor the level of liquid in the cold water tank in real time. The water inlet of the cold liquid pipeline is connected with the water outlet of the cold water tank through a water inlet pipeline 13, the water outlet of the cold liquid pipeline is connected with the water return port of the cold water tank through a water return pipeline 14, and circulation between water in the cold water tank and the cold liquid pipeline is achieved. It can be understood that in winter, under the low circumstances of ambient temperature, can pour into hot water into in the cold water storage cistern, also can open the heater that sets up in the cold water storage cistern, with the circulating water heating.
According to the utility model discloses an embodiment, host computer 2 through first communication line 15 with programmable logic controller 16 connects. It can be understood that the bidirectional signal transmission between the upper computer 2 and the programmable logic controller 16 is realized through the first communication line 15. The first communication line 15 is preferably a CAN communication line.
According to the utility model discloses an embodiment, programmable logic controller 16 through first sampling line 17 with first pressure transmitter 11 connects, programmable logic controller 16 through second sampling line 18 with second pressure transmitter 12 connects. It will be appreciated that the bi-directional transmission of signals between the programmable controller and the first pressure transmitter 11 is effected via a first sample line 17 and the bi-directional transmission of signals between the programmable controller and the second pressure transmitter 12 is effected via a second sample line 18.
According to the utility model discloses an embodiment, battery package 4 be equipped with respectively with charge and discharge tester 1's positive negative pole corresponds the positive negative pole of connecting and connects. It can be understood that the battery pack 4 is conveniently and correspondingly connected with the charge and discharge tester 1, and the charge of the battery pack 4 by the charge and discharge tester 1 is realized.
According to the utility model discloses an embodiment, be equipped with temperature sensor in the environment case 3, temperature sensor pass through second communication line 9 with host computer 2 is connected. It can be understood that temperature sensor real-time supervision environmental chamber 3 is interior temperature to with temperature data transmission to host computer 2 through second communication line 9, realize the monitoring to environmental chamber 3 internal temperature, with the test to battery package 4 under the simulation different temperature environment, improve the reliability of test result. The second communication line 9 can be an R485 communication line or an RS232 communication line.
According to the utility model discloses an embodiment, host computer 2 through third communication line 6 with charge-discharge tester 1 connects. It can be understood that the upper computer 2 performs bidirectional signal transmission with the charge and discharge tester 1 through the third communication line 6, obtains the state of the charge and discharge tester 1, and sends a start-stop instruction to the charge and discharge tester 1. The third communication line 6 is preferably a CAN communication line.
According to the utility model discloses an embodiment, host computer 2 through fourth communication line 10 with battery package 4 is connected to be used for the monitoring battery package 4's state parameter. It can be understood that one end of the fourth communication line 10 is connected with the upper computer 2, and the other end of the fourth communication line 10 is connected with the battery pack 4, so as to obtain parameter information of the battery pack 4 in real time, including the highest temperature and the lowest temperature. The fourth communication line 10 is preferably a CAN communication line
According to the utility model discloses an embodiment still includes the power, the power respectively with host computer 2 charge-discharge tester 1 environment case 3 with cold water machine 5 is connected. It can be understood that the power supply respectively provides required electric energy for the upper computer 2, the charge and discharge tester 1, the environment box 3 and the water chiller 5, and normal test is guaranteed.
The embodiment of the utility model provides a power battery system heat management performance evaluation testing arrangement's test procedure as follows:
the upper computer 2 is in linkage control with the charge-discharge tester 1, the environment box 3 and the PLC controller of the water chiller 5 through CAN communication lines respectively;
placing the battery pack 4 in the environment box 3 to ensure the corresponding installation of the anode and the cathode, and obtaining the parameter information of the battery pack 4 by the upper computer 2;
the environment temperature simulated by the environment box 3 is set through the upper computer 2, the charge and discharge tester 1 charges and discharges the battery pack 4 according to the command of the software program of the upper computer 2, in the process, the temperature of the battery pack 4 rises, the PLC of the water cooler 5 is controlled through the upper computer 2, the first pressure transmitter 11 and the second pressure transmitter 12 are adjusted, the temperature, the flow rate and the pressure of circulating water in the battery pack 4 are monitored and controlled, and the simulation test is completed;
after the test is finished, the power supplies of the charge and discharge tester 1, the environment box 3 and the water cooler 5 are closed, the CAN communication line of the battery pack 4 is detached, the battery pack 4 is taken out of the step-in environment box 3, the box door is closed, and the whole test is finished.
The utility model discloses the function that has can realize following technological effect:
the sensitivity is high, and compared with the traditional mode of controlling temperature and pressure, the pressure control of the water inlet and the water outlet of the battery pack 4 is increased, and the rapid pressure conversion can be carried out through the first sampling line 17 and the second sampling line 18, so that the sensitivity is high.
The working process of the water cooler 5 is mastered by monitoring the pressure changes of the water inlet and the water outlet of the cold liquid pipeline in real time; meanwhile, different pressure curves can be input to verify the influence of different pressures on the thermal management system of the power battery.
High efficiency, through increasing first pressure transmitter 11 and second pressure transmitter 12, can real time monitoring, record and control water intake pipe 13 and return water pipe 14's pressure, and then improved the efficiency of test verification process.
The operation cost is reduced, the working mechanism of the power battery system heat management can be better known and mastered through monitoring and controlling the pressure, so that the function of the power battery system heat management is better exerted, the efficiency of the whole machine is improved, and the operation cost is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a power battery system heat management performance evaluation testing arrangement, a serial communication port, including host computer, charge and discharge tester, environment case and cold water machine, the host computer respectively with charge and discharge tester the environment case with the cold water machine is connected, the environment case is used for placing the battery package, the cold liquid pipeline of battery package built-in, the water inlet of cold liquid pipeline with the delivery port of cold water machine passes through water intake pipe and connects, the delivery port of cold liquid pipeline with the return water mouth of cold water machine passes through return water pipe and connects, be equipped with first pressure transmitter on the water intake pipe, be equipped with second pressure transmitter on the return water pipeline, first pressure transmitter with second pressure transmitter respectively with the host computer is connected.
2. The power battery system thermal management performance evaluation testing device of claim 1, wherein the water chiller comprises a programmable logic controller, an input end of the programmable logic controller is connected with the first pressure transmitter and the second pressure transmitter respectively, and an output end of the programmable logic controller is connected with the upper computer.
3. The power battery system heat management performance evaluation testing device of claim 2, wherein the water chiller comprises a cold water tank, a liquid level meter is arranged in the cold water tank, the liquid level meter is connected with the programmable logic controller, a water inlet of the cold liquid pipeline is connected with a water outlet of the cold water tank through the water inlet pipeline, and a water outlet of the cold liquid pipeline is connected with a water return port of the cold water tank through the water return pipeline.
4. The power battery system thermal management performance evaluation testing device of claim 2, wherein the upper computer is connected with the programmable logic controller through a first communication line.
5. The power battery system thermal management performance evaluation testing device of claim 2, wherein the programmable logic controller is connected with the first pressure transmitter through a first sampling line, and the programmable logic controller is connected with the second pressure transmitter through a second sampling line.
6. The power battery system thermal management performance evaluation testing device of claim 1, wherein the battery pack is provided with positive and negative electrode connectors respectively connected with the positive and negative electrodes of the charge and discharge tester.
7. The power battery system heat management performance evaluation testing device of claim 1, wherein a temperature sensor is arranged in the environment box, and the temperature sensor is connected with the upper computer through a second communication line.
8. The power battery system thermal management performance evaluation testing device of claim 1, wherein the upper computer is connected with the charge and discharge tester through a third communication line.
9. The power battery system thermal management performance evaluation testing device of claim 1, wherein the upper computer is connected with the battery pack through a fourth communication line and is used for monitoring state parameters of the battery pack.
10. The power battery system heat management performance evaluation testing device of any one of claims 1 to 9, further comprising a power supply, wherein the power supply is respectively connected with the upper computer, the charge and discharge tester, the environmental tank and the water chiller.
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| CN202022217446.3U CN213986650U (en) | 2020-09-30 | 2020-09-30 | Thermal management performance evaluation testing device for power battery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074842A (en) * | 2023-10-17 | 2023-11-17 | 苏州英特模科技股份有限公司 | Heating simulation device and test system of battery pack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074842A (en) * | 2023-10-17 | 2023-11-17 | 苏州英特模科技股份有限公司 | Heating simulation device and test system of battery pack |
| CN117074842B (en) * | 2023-10-17 | 2024-01-30 | 苏州英特模科技股份有限公司 | Heating simulation device and test system of battery pack |
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