CN109443647A - System and method for power battery pack seawater soak test - Google Patents
System and method for power battery pack seawater soak test Download PDFInfo
- Publication number
- CN109443647A CN109443647A CN201811593128.8A CN201811593128A CN109443647A CN 109443647 A CN109443647 A CN 109443647A CN 201811593128 A CN201811593128 A CN 201811593128A CN 109443647 A CN109443647 A CN 109443647A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- power battery
- soaking box
- test
- seawater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
Abstract
The present invention relates to battery tester technical fields, more particularly, to a kind of system and method for power battery pack seawater soak test；Including soaking box, densimeter and PH tester are installed in the soaking box, the densimeter and the PH tester are placed under the liquid level of test solution；It further include that hoisting head is shelved and gone up and down to thermosistor, circulating pump, mobile crane；By the densimeter and the PH tester, the pH value and specific gravity of adjustment test solution, make test solution closer to the rate of specific gravity and pH value of seawater before the test；Simultaneously, the temperature that solution is tested in the soaking box is adjusted with the thermosistor and the circulating pump, except can make in the soaking box test solution temperature stabilization can also make test solution be in flow regime, further simulated seawater flow regime, sealing performance of the power battery pack under working fluid promotion state is tested, to enhance the accuracy and reliability of test result.
Description
Technical field
The present invention relates to battery tester technical fields, impregnate examination for power battery pack seawater more particularly, to one kind
The system and method tested.
Background technique
With the rapid development of automotive engineering, the leading position of new-energy automobile becomes increasingly conspicuous.Expense is low, superior performance,
Outstanding advantages of degree of controllability is high is liked by everybody, as key components and parts battery pack inside new-energy automobile also increasingly by
Everybody payes attention to, and safety, the performances such as reliability can not be ignored, and our company guarantees battery for battery pack design a series of experiments content
It contracts for fixed output quotas quality, wherein seawater immersion is one of verifying battery pack leakproofness, safety, the main experimental of reliability, at present city
Without special equipment on face, the measuring accuracy and reliability of simulated seawater test battery pack leakproofness are usually lower.
Therefore, the present invention is badly in need of providing and a kind of new is for power battery pack seawater soak test regarding to the issue above
System and method.
Summary of the invention
The purpose of the present invention is to provide a kind of new system and methods for power battery pack seawater soak test, lead to
Cross that the soaking box, the densimeter, the PH tester, the thermosistor, the mobile crane is shelved and the lifting hanger
Head is filled, is carried out with solving seawater soak test existing in the prior art in non-standard container or pond etc., safety coefficient is low, surveys
Try low precision, the low technical problem of reliability.
A kind of system for power battery pack seawater soak test provided by the invention, including for containing power battery
The soaking box of packet, the soaking box are provided with test solution；Densimeter and PH tester, the specific gravity are installed in the soaking box
Meter and the PH tester are placed under the liquid level of test solution；The soaking box is externally provided with thermosistor；The thermosistor goes out liquid
End is connected to by circulating pump with the liquid feeding end of the soaking box, and the outlet end of the liquid feeding end of the thermosistor and the soaking box connects
It is logical；It further include that the corresponding mobile crane being set up in the soaking box is shelved, the mobile crane shelves installation lifting lifting
Head, for corresponding mounting power battery pack.
It further, further include controller, and the temperature sensor being placed in the soaking box；The thermosistor and described
Temperature sensor is electrically connected with the controller respectively.
It further, further include the water-level gauge being placed in outside the soaking box, the bottom setting water level of the soaking box is discharged
Mouthful, which is connected to the liquid feeding end of the water-level gauge.
It further, further include display and the camera that is fixed in the soaking box, the camera and described aobvious
Show that device is electrically connected with the controller respectively.
Further, the immersion upper box part is equipped with protective cover plate, which is correspondingly arranged on the camera
Side.
It further, further include ground unit, one end of the ground unit is placed in the liquid of test solution in the soaking box
Under face, the other end is used to connect with ground or other conductive explosion-protection equipments.
Further, timer is installed in the soaking box.
Further, the soaking box is rectangular box, long 4-6m, wide 2-4m, high 1.5-2.5m.
The present invention also provides a kind of application as above any system for power battery pack seawater soak test is real
The method of existing seawater soak test, comprising the following steps: according to the registration of densimeter and PH tester, adjust test in soaking box
The pH value and rate of specific gravity of solution to test solution are within the scope of seawater；With thermosistor and circulating pump adjust test solution temperature to
Test solution is in test temperature threshold value；Power battery pack is mounted with lifting hoisting head；Drive power is shelved with mobile crane
Above battery pack to the soaking box；Power battery pack is put into the soaking box with the lifting hoisting head, and makes power
Battery pack is immersed in certain time in test solution；Power battery pack is hung out of described soaking box with the lifting hoisting head
Out；Being shelved with the mobile crane drives power battery pack to checking station；By the lifting hoisting head from power battery pack
It removes, checks power battery pack leakproofness.
Further, described to be immersed in power battery pack in test solution in certain time, Immersion time is two hours.
The present invention has following progress compared with prior art:
1, using provided by the present invention for the system of power battery pack seawater soak test includes soaking box, is placed in the leaching
Densimeter, the PH tester in case are steeped, and is placed in the thermosistor that the soaking box is outer and is connected to the soaking box inside；Further include
The corresponding mobile crane being set up in the soaking box is shelved, and the mobile crane shelves the design of installation lifting hoisting head；
By observing the pH value and specific gravity of registration adjustment test solution before each test of the densimeter and the PH tester, make
Testing solution has rate of specific gravity identical with seawater and pH value；Simultaneously as test solution is placed for a long time because of the effect of volatilization
PH value can be low afterwards, and specific gravity can become larger, and the design of the PH tester and the densimeter can be for testing preceding tester every time
Member tests the pH value and rate of specific gravity of solution according to the corresponding adjustment of registration, it is not necessary to which the test solution before throwing away is conducive to save money
Source；Meanwhile the temperature that solution is tested in the soaking box is adjusted with the thermosistor and the circulating pump, except the immersion can be made
Test solution temperature stabilization can also make test solution be in flow regime, further simulated seawater flow regime, test in case
Sealing performance of the power battery pack under working fluid promotion state, to enhance the accuracy and reliability of test result；Due to
Power battery pack volume, quality are usually larger, in order to make to avoid to cause to pull to power battery pack in moving process, influence
Its sealing performance is shelved using the lifting hoisting head and the mobile crane, mobile power battery pack, only to increase test
As a result accuracy, reliability.
2, using provided by the present invention for the system of power battery pack seawater soak test further includes controller, and is placed in
Temperature sensor in the soaking box；The thermosistor and the temperature sensor are set with what the controller was electrically connected respectively
Meter；The water temperature that test solution is adjusted using the temperature sensor, the controller and the thermosistor, it is fast using automatically controlled reaction
The advantage of speed, the temperature of accurate control test solution；Test parameter is accurately controlled, increase test result accuracy,
Reliability.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the structural schematic diagram of the heretofore described system for power battery pack seawater soak test (is faced
Figure)；
Fig. 2 is structural schematic diagram (the right view of the heretofore described system for power battery pack seawater soak test
Figure)；
Fig. 3 is the structural schematic diagram (cross-sectional view) of heretofore described soaking box；
Fig. 4 is that the electric appliance in the present invention connects block diagram.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It is provided in this embodiment a kind of to be for power battery pack seawater soak test referring to shown in Fig. 1, Fig. 2, Fig. 3
System, including the soaking box 1 for containing power battery pack, which is provided with test solution；It is equipped in the soaking box
The test lead of densimeter 201 and PH tester 202, the densimeter and the PH tester is placed in test in the soaking box
Under the liquid level of solution；The soaking box is externally provided with thermosistor 204；The outlet end of the thermosistor passes through circulating pump 205 and the leaching
The liquid feeding end connection of case is steeped, the liquid feeding end of the thermosistor is connected to the outlet end of the soaking box；It further include that correspondence is set up in institute
It states the mobile crane in soaking box and shelves 501, the mobile crane shelves installation lifting hoisting head, for corresponding mounting power
Battery pack.The specific gravity is calculated as digital display densimeter, and the PH tester is digital display tester, the display structure of the densimeter and
The display structure of the PH tester is all set on the cabinet of the soaking box.
It uses provided by the present invention for the system of power battery pack seawater soak test including soaking box, is placed in the immersion
Densimeter, PH tester in case, and it is placed in the thermosistor that the soaking box is outer and is connected to the soaking box inside；It further include pair
The mobile crane that should be set up in the soaking box is shelved, and the mobile crane shelves the design of installation lifting hoisting head；It is logical
The pH value and specific gravity for crossing the registration for observing the densimeter and PH tester adjustment test solution before each test, make to survey
Trying solution has rate of specific gravity identical with seawater and pH value；Simultaneously as because of the effect of volatilization, after test solution is placed for a long time
PH value can be low, and specific gravity can become larger, and the design of the PH tester and the densimeter can be for testing preceding tester every time
According to the pH value and rate of specific gravity of the corresponding adjustment test solution of registration, it is not necessary to which the test solution before throwing away is conducive to economize on resources；
Meanwhile the temperature that solution is tested in the soaking box is adjusted with the thermosistor and the circulating pump, except the soaking box can be made
Interior test solution temperature stabilization can also make test solution be in flow regime, further simulated seawater flow regime, and test is moved
Sealing performance of the power battery pack under working fluid promotion state, to enhance the accuracy and reliability of test result；Due to dynamic
Power battery pack volume, quality are usually larger, in order to make to avoid to cause to pull to power battery pack in moving process, influence it
Sealing performance is shelved using the lifting hoisting head and the mobile crane, mobile power battery pack, only to increase test knot
Accuracy, the reliability of fruit.
Referring to shown in Fig. 1, Fig. 2, lifting hoisting head described in the present embodiment includes shelving connection with the mobile crane
Lift chain 504, the electric magnetic sucker 502 being connected in the lift chain, and the connector for being connect with power battery pack
503, the electric magnetic sucker magnetic connection corresponding with the connector；After power battery pack is put in the soaking box,
The connection of the electric magnetic sucker and the connector is disconnected, described electric magnetic sucker etc. can be recovered to described removable
On dynamic mast-up, prevent the electric magnetic sucker and the lift chain be placed in test solution influence test solution density,
Specific gravity causes to oppress to power battery pack；Increase the accuracy and reliability of test result.
Referring to shown in Fig. 1, Fig. 4, the present embodiment further includes controller, and the temperature sensor being placed in the soaking box
206；The thermosistor and the temperature sensor are electrically connected with the controller respectively.
System use provided by the present invention for power battery pack seawater soak test further includes controller, and is placed in institute
State the temperature sensor in soaking box；The thermosistor and the temperature sensor are set with what the controller was electrically connected respectively
Meter；The water temperature that test solution is adjusted using the temperature sensor, the controller and the thermosistor, it is fast using automatically controlled reaction
The advantage of speed, the temperature of accurate control test solution；Test parameter is accurately controlled, increase test result accuracy,
Reliability.
Referring to shown in Fig. 1, Fig. 2, the present embodiment further includes the water-level gauge 3 being placed in outside the soaking box, the soaking box
Water level water outlet is arranged in bottom, which is connected to the liquid feeding end of the water-level gauge；Water level according to law of connected vessels
The liquid feeding end of meter is connected to the water outlet of the bottom end of level vessels to be measured, this is the prior art, is no longer excessively repeated herein.
Shown in Figure 3, the present embodiment further includes display and the camera 4 that is fixed in the soaking box, described to take the photograph
As head and the display are electrically connected with the controller respectively.Display described in the present embodiment is set to the wall of monitoring room
On, pass through wireless connection between the display and the controller.
Referring to shown in Fig. 1, Fig. 3, immersion upper box part described in the present embodiment is equipped with protective cover plate 41, and the protective cover plate is corresponding
It is set to above the camera.
Referring to shown in Fig. 1, Fig. 2, the present embodiment further includes ground unit 203, and one end of the ground unit is placed in the leaching
It steeps in case under the liquid level of test solution, the other end is used to connect with ground or other conductive explosion-protection equipments.To prevent immersion test
When the security risk that leaks of battery pack, the ground unit is set, it is described to connect when battery pack is poorly sealed leaks electricity
Ground unit can walk the conductance of leakage, ensure test safety.Ground unit described in the present embodiment is conducting wire, naturally it is also possible to be selected
Other conduct pieces with conducting function are selected, are no longer excessively repeated herein.
It is shown in Figure 1, timer 6 is installed, for calculating power battery pack in soaking box described in the present embodiment
Soaking time, and alarm after reaching predetermined soaking time.
Soaking box described in the present embodiment is rectangular box, long 4m-6m, wide 2m-4m, high 1.5m-2.5m；Preferably, originally
The long 5m of water tank, wide 3m, high 2m are impregnated described in embodiment；It is about 1.5m that the water-level gauge, which is equipped with high water level warning position, to prevent
Water when water supply in the soaking box is excessively high, overflows.
Temperature sensor described in the present embodiment is the happy temperature sensor for enjoying brand 10K type, naturally it is also possible to be selected
The ETS type temperature sensor of SICH brand；Listed herein is only its selectable brand and model, is not carried out to its brand and model
It limits, those skilled in the art can arbitrarily select according to actual needs, no longer excessively repeat herein.
Controller described in the present embodiment is essence wound 100 type relay of brand, and listed herein is only its selectable brand
Model is not defined its brand and model, and those skilled in the art can arbitrarily select according to actual needs, herein no longer
Excessively repeat.
Thermosistor described in the present embodiment is to wish loose mechanical die heater type cold-hot integrated machine, or the HL-36HW of extra large water chestnut brand
Type cold-hot integrated machine, listed herein is only its selectable brand and model, is not defined to its brand and model, this field skill
Art personnel can arbitrarily select according to actual needs, no longer excessively repeat herein.
The present invention also provides a kind of application be used for as described above power battery pack seawater soak test system realize sea
The method of water soak test, comprising the following steps:
According to the registration of densimeter and PH tester, it is molten to testing to adjust the pH value of test solution and rate of specific gravity in soaking box
Liquid is within the scope of seawater；Test solution temperature to test solution, which is adjusted, with thermosistor and circulating pump is in test temperature threshold value
It is interior；
Power battery pack is mounted with lifting hoisting head；
It is shelved and is driven above power battery pack to the soaking box with mobile crane；
Power battery pack is put into the soaking box with the lifting hoisting head, and power battery pack is made to be immersed in test
Certain time in solution；
Power battery pack is hung out out of described soaking box with the lifting hoisting head；
Being shelved with the mobile crane drives power battery pack to checking station；
The lifting hoisting head is removed from power battery pack, checks power battery pack leakproofness.
It is immersed in power battery pack in test solution in certain time, Immersion time is two small
When.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of system for power battery pack seawater soak test, which is characterized in that including for containing power battery pack
Soaking box, which is provided with test solution；Densimeter and PH tester, the densimeter are installed in the soaking box
It is placed in the PH tester under the liquid level of test solution；The soaking box is externally provided with thermosistor；The outlet end of the thermosistor
It is connected to by circulating pump with the liquid feeding end of the soaking box, the liquid feeding end of the thermosistor is connected to the outlet end of the soaking box；
It further include that the corresponding mobile crane being set up in the soaking box is shelved, the mobile crane shelves installation lifting hoisting head,
Power battery pack is mounted for corresponding.
2. being used for the system of power battery pack seawater soak test according to claim 1, which is characterized in that further include control
Device, and the temperature sensor being placed in the soaking box；The thermosistor and the temperature sensor respectively with the controller
Electrical connection.
3. being used for the system of power battery pack seawater soak test according to claim 2, which is characterized in that further include being placed in
Water level water outlet, the water level water outlet and the water-level gauge is arranged in the bottom of water-level gauge outside the soaking box, the soaking box
Liquid feeding end connection.
4. being used for the system of power battery pack seawater soak test according to claim 3, which is characterized in that further include display
Device and the camera being fixed in the soaking box, the camera and the display are electrically connected with the controller respectively.
5. being used for the system of power battery pack seawater soak test according to claim 4, which is characterized in that the soaking box
Top is equipped with protective cover plate, which is correspondingly arranged in above the camera.
6. any system for being used for power battery pack seawater soak test in -5 according to claim 1, which is characterized in that also
Including ground unit, one end of the ground unit is placed in the soaking box under the liquid level of test solution, and the other end is used for and ground
Face or other conductive explosion-protection equipment connections.
7. being used for the system of power battery pack seawater soak test according to claim 6, which is characterized in that the soaking box
On timer is installed.
8. being used for the system of power battery pack seawater soak test according to claim 7, which is characterized in that the soaking box
For rectangular box, long 4-6m, wide 2-4m, high 1.5-2.5m.
9. a kind of application realizes seawater for the system of power battery pack seawater soak test as described in any in claim 1-8
The method of soak test, which comprises the following steps:
According to the registration of densimeter and PH tester, adjusts the pH value of test solution and rate of specific gravity in soaking box and extremely test at solution
In within the scope of seawater；
Test solution temperature to test solution is adjusted with thermosistor and circulating pump to be in test temperature threshold value；
Power battery pack is mounted with lifting hoisting head；
It is shelved and is driven above power battery pack to the soaking box with mobile crane；
Power battery pack is put into the soaking box with the lifting hoisting head, and power battery pack is made to be immersed in test solution
Interior certain time；
Power battery pack is hung out out of described soaking box with the lifting hoisting head；
Being shelved with the mobile crane drives power battery pack to checking station；
The lifting hoisting head is removed from power battery pack, checks power battery pack leakproofness.
10. method according to claim 9, which is characterized in that described to be immersed in power battery pack in test solution centainly
In time, Immersion time is two hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593128.8A CN109443647A (en) | 2018-12-25 | 2018-12-25 | System and method for power battery pack seawater soak test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593128.8A CN109443647A (en) | 2018-12-25 | 2018-12-25 | System and method for power battery pack seawater soak test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443647A true CN109443647A (en) | 2019-03-08 |
Family
ID=65537880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811593128.8A Pending CN109443647A (en) | 2018-12-25 | 2018-12-25 | System and method for power battery pack seawater soak test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443647A (en) |
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| CN110426587A (en) * | 2019-08-29 | 2019-11-08 | 北京智芯微电子科技有限公司 | Test fixture for submerging test case |
| CN112577636A (en) * | 2020-12-03 | 2021-03-30 | 句容市双诚电子有限公司 | Temperature sensor test fixture |
| CN113075559A (en) * | 2021-03-31 | 2021-07-06 | 中汽研汽车检验中心（天津）有限公司 | Hydrogen fuel cell soaks test device |
| CN113253021A (en) * | 2021-04-30 | 2021-08-13 | 西安交通大学 | Battery testing device and method for simulating ocean low temperature and water flow |
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| CN208240832U (en) * | 2018-05-16 | 2018-12-14 | 北京新能源汽车股份有限公司 | A kind of soak test device of power battery |
| CN209214840U (en) * | 2018-12-25 | 2019-08-06 | 北斗航天汽车（北京）有限公司 | System for power battery pack seawater soak test |
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| US20160146695A1 (en) * | 2014-11-21 | 2016-05-26 | Cameron International Corporation | Methods for Testing Shape-Memory Alloy Couplers for Oil and Gas Applications |
| US20160334298A1 (en) * | 2015-05-11 | 2016-11-17 | HilFlo, LLC | Hydrostatic Pressure Test Method and Apparatus |
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| CN112577636A (en) * | 2020-12-03 | 2021-03-30 | 句容市双诚电子有限公司 | Temperature sensor test fixture |
| CN113075559A (en) * | 2021-03-31 | 2021-07-06 | 中汽研汽车检验中心（天津）有限公司 | Hydrogen fuel cell soaks test device |
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| CN113253021B (en) * | 2021-04-30 | 2022-06-07 | 西安交通大学 | Battery testing device and method for simulating ocean low temperature and water flow |
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