CN108181061B - New energy automobile battery package test system - Google Patents
New energy automobile battery package test system Download PDFInfo
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- CN108181061B CN108181061B CN201810040187.6A CN201810040187A CN108181061B CN 108181061 B CN108181061 B CN 108181061B CN 201810040187 A CN201810040187 A CN 201810040187A CN 108181061 B CN108181061 B CN 108181061B
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000003749 cleanliness Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
Abstract
The invention discloses a new energy automobile battery pack testing system, which comprises a positive pressure gas tank, a leak tester, an output pipeline and a comparison gas storage tank with the same capacity as a battery pack; the positive pressure gas tank is connected with the leak tester through a main pipeline, and the leak tester is connected with the output pipeline and the comparison gas storage tank. The invention ensures that the battery pack after leaving the factory has good air tightness, avoids the questioning of the quality of leaving the factory of the battery pack, and improves the user experience.
Description
Technical Field
The invention relates to the technical field of battery pack detection, in particular to a new energy automobile battery pack testing system.
Background
The new energy refers to various energy forms other than the traditional energy, namely, energy which is just developed and utilized or is being actively researched or is to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy and nuclear fusion energy. With the increasing importance of global environmental protection, clean energy automobiles are gradually popularized and applied. At present, a large-reserve battery is installed on an automobile to supply energy required by daily work of the automobile, and the battery can be repeatedly used after being charged, so that low-carbon traffic is realized, and the energy consumption and tail gas emission of the automobile can be effectively reduced. However, the battery pack on the automobile often has the phenomenon that energy is leaked due to poor air tightness, or the phenomenon that energy in the battery pack is polluted, so that the battery pack is not smooth in charging or discharging, the service life of the battery pack is reduced, and the delivery quality of the battery pack is questioned.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the new energy automobile battery pack testing system, which ensures that the battery pack after leaving the factory has good air tightness, avoids the questioning of the quality of leaving the factory of the battery pack and improves the user experience.
The invention provides a new energy automobile battery pack testing system, which comprises a positive pressure gas tank, a leak tester, an output pipeline and a comparison gas storage tank with the same capacity as a battery pack; the positive pressure gas tank is connected with the leak tester through a main pipeline, and the leak tester is connected with the output pipeline and the comparison gas storage tank.
Preferably, the new energy automobile battery pack testing system further comprises a quick charging branch, wherein the quick charging branch comprises a branch pipeline, a branch air processing unit, a pressure sensor and a branch stop valve, one end of the branch pipeline is connected with the main pipeline, the other end of the branch pipeline is connected with the output pipeline, and the air processing unit, the pressure sensor and the branch stop valve are sequentially arranged in the air transmission direction of the branch pipeline.
Preferably, the bypass air handling unit comprises an air filter and a pressure relief valve.
Preferably, a main air treatment unit is installed on the main pipeline, and the main air treatment unit comprises an air filter and a pressure reducing valve.
Preferably, a main-way stop valve is installed on the output pipeline.
Preferably, the new energy automobile battery pack testing system further comprises a vacuum pump, and the vacuum pump is connected with the leak tester through a connecting pipeline.
Preferably, the new energy automobile battery pack testing system further comprises a frame, the leakage tester is arranged on the frame, a display screen and a host are further arranged on the frame, and the display screen and the leakage tester are electrically connected with the host.
Preferably, a storage box, an indicator light and a tray for placing a mouse and a keyboard are arranged on the stand, the indicator light is electrically connected with the leakage tester, and four blesses Ma Lun are uniformly distributed on the periphery of the bottom of the stand.
Preferably, the new energy automobile battery pack testing system further comprises a scanning gun, and the scanning gun is electrically connected with the host.
The invention has the beneficial effects that:
The invention is connected with one connecting port of a battery pack to be tested through an output pipeline, other connecting ports of the battery pack are sealed at the same time, then a positive pressure gas tank is used for respectively inflating the battery pack to be tested and a comparison gas tank through a leak tester, and after the gas pressure values in the battery pack to be tested and the comparison gas tank reach set values, the positive pressure gas tank stops conveying gas; the air pressure changes in the battery pack to be tested and the comparison air storage tank can be observed through the leakage tester, and if the air pressure changes in the battery pack to be tested and the comparison air storage tank are consistent, the air tightness of the battery pack to be tested is good, and the battery pack to be tested belongs to a qualified product; if the air pressure change of the battery pack to be tested is larger than the air pressure change in the comparison air storage tank, the air tightness of the battery pack to be tested is indicated to be problematic, and the battery pack to be tested belongs to an unqualified product; the battery pack is detected by the test system, so that the battery pack after leaving the factory is guaranteed to have good air tightness, the factory quality of the battery pack is prevented from being questioned, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
Fig. 2 is a pneumatic flow chart of the present embodiment.
Reference numerals: 1-positive pressure air tank, 11-main pipeline, 111-main air processing unit, 112-main stop valve, 2-leak tester, 3-output pipeline, 4-comparative air tank, 5-quick-fill branch, 51-branch pipeline, 52-branch air processing unit, 521-air filter, 522-relief valve, 53-pressure sensor, 54-branch stop valve, 6-vacuum pump, 7-rack, 71-display screen, 72-storage box, 73-indicator light, 74-tray, 75-fuma wheel, 8-scanning gun
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the invention discloses a new energy automobile battery pack testing system, which comprises a positive pressure gas tank 1, a leak tester 2, an output pipeline 3 and a comparison gas storage tank 4 with the same capacity as a battery pack; the positive pressure gas tank 1 is connected with the leak tester 2 through a main pipeline 11, and the leak tester 2 is connected with an output pipeline 3 and a comparison gas storage tank 4. The positive pressure gas tank 1 is connected with one connecting port of the battery pack to be tested through the output pipeline 3, other connecting ports of the battery pack are sealed at the same time, then the positive pressure gas tank 1 inflates gas in the battery pack to be tested and the comparison gas tank 4 through the leak tester 2 respectively, and after the gas pressure values in the battery pack to be tested and the comparison gas tank 4 reach set values, the positive pressure gas tank 1 stops conveying gas; the air pressure changes in the battery pack to be tested and the comparison air storage tank 4 can be observed through the leakage tester 2, and if the air pressure changes in the battery pack to be tested and the comparison air storage tank 4 are consistent, the air tightness of the battery pack to be tested is good, and the battery pack to be tested belongs to a qualified product; if the air pressure change of the battery pack to be tested is larger than the air pressure change in the comparison air storage tank 4, the air tightness of the battery pack to be tested is indicated to be problematic, and the battery pack to be tested belongs to an unqualified product; the battery pack is detected by the test system, so that the battery pack after leaving the factory is guaranteed to have good air tightness, the factory quality of the battery pack is prevented from being questioned, and the user experience is improved.
The new energy automobile battery pack test system further comprises a quick charging branch 5, wherein the quick charging branch 5 comprises a branch pipeline 51, a branch air processing unit 52, a pressure sensor 53 and a branch stop valve 54, one end of the branch pipeline 51 is connected with the main pipeline 11, the other end of the branch pipeline 51 is connected with the output pipeline 3, and the air processing unit 52, the pressure sensor 53 and the branch stop valve 54 are sequentially arranged in the gas transmission direction of the branch pipeline 51. The design of the quick charging branch 5 ensures that the leakage tester 2 can be bypassed to charge the battery pack to be tested when the battery pack to be tested is charged, so that the charging speed of the battery pack to be tested is improved, the detection time is shortened, and the working efficiency is improved; the air processing unit 52 facilitates the filtration and decompression of the gas in the branch pipe 51, thereby ensuring the cleanliness and the impact pressure of the gas, and the pressure sensor 53 facilitates the detection of the air pressure intensity in the branch pipe 51; the branch stop valve 54 is convenient for opening and closing the branch pipeline 51, and mainly aims at the backflow of gas in the battery pack to be tested, when the quick charging branch 5 is adopted to charge the battery pack to be tested, the branch stop valve is closed when the gas pressure in the battery pack to be tested reaches a set value, the positive pressure gas tank 1 is adopted to charge the battery pack to be tested through the leakage tester 2 until the gas pressure in the battery pack to be tested reaches the set value, the charging is stopped, the gas pressure change in the battery pack to be tested is observed, and the gas tightness of the battery pack to be tested is judged. The bypass air treatment unit 52 comprises an air filter 521 and a pressure reducing valve 522, wherein the air filter 521 is convenient for filtering out impurities in the gas, ensures the cleanliness of the gas, and avoids polluting the accommodating cavity of the battery pack to be tested; the pressure reducing valve 522 is convenient for reducing the pressure of the gas in the branch pipeline 51, reduces the impact of the gas in the branch pipeline 51 on the cavity of the battery pack to be tested, and makes the air pressure in the cavity of the battery pack to be tested uniform.
The main air processing unit 111 is installed on the main pipeline 11, and the main air processing unit 111 includes an air filter and a pressure reducing valve. The air filter of the main air processing unit 111 facilitates the filtration of the gas in the main pipeline 11, ensures the cleanliness of the gas in the main pipeline 11, and the pressure reducing valve of the main air processing unit 111 reduces the impact pressure of the gas in the main pipeline 11. Specifically, the main air processing unit 111 is installed on the main pipeline 11 between the positive pressure gas tank 1 and the quick filling branch 5, so that a secondary filtering decompression system is formed with the air processing unit 52 in the quick filling branch 5 to filter the quick filling branch 5; mainly considering when the battery package that awaits measuring is fast to aerifys, single air cleaner and relief pressure valve will reduce to the effect of gaseous filtration decompression, consequently the design of secondary filtration decompression system here has fully guaranteed the cleanliness of gas to and reduced the impact pressure of gas. The main stop valve 112 is arranged on the output pipeline 3, so that the gas delivery on the output pipeline 3 can be conveniently stopped. Specifically, the main-path stop valve 112 is installed on the output pipeline 3 between the leak tester 2 and the quick-charging branch 5, so as to control the gas delivery of the battery pack to be tested by the leak tester 2.
In this embodiment, the new energy automobile battery pack testing system further includes a vacuum pump 6, and the vacuum pump 6 is connected with the leak tester 2 through a connecting pipe. The air tightness of the battery pack to be tested is detected by utilizing the vacuum pump 6, the gas transmission of the positive pressure gas tank to the battery pack to be tested is stopped, and the vacuum pump 6 is adopted to vacuumize the battery pack to be tested through the leak tester 2 until the vacuum degree in the battery pack to be tested reaches a set value; then observing the change of the negative pressure displayed on the leak tester 2, and if the change rate of the negative pressure is greater than the change rate of the standard negative pressure detection, the battery pack to be tested belongs to an unqualified product; if the change rate of the negative pressure air pressure is consistent with the change rate of the standard detection negative pressure air pressure, the battery pack to be detected belongs to a qualified product.
In addition, the new energy automobile battery pack test system further comprises a frame 7, the leak tester 2 is arranged on the frame 7, the frame 7 is further provided with a display screen 71 and a host, and the display screen 71 and the leak tester 2 are electrically connected with the host. The host computer is convenient for storing or calling the test data of the battery pack to be tested detected by the leak tester 2, and the display screen 71 is used for displaying the test data. The storage box 72, the indicator lamp 73 and the tray 74 for placing a mouse and a keyboard are arranged on the stand 7, the indicator lamp 73 is electrically connected with the leak tester 2, and four fuma wheels 75 are uniformly distributed on the periphery of the bottom of the stand 7. The storage box 72 is convenient for storing related articles, the indicator lamp 73 is used for displaying the working state of the equipment, the tray 74 is convenient for placing a mouse and a keyboard, and the mouse and the keyboard are convenient for extracting test data and modifying related parameters. The new energy automobile battery pack testing system further comprises a scanning gun 8, and the scanning gun 8 is electrically connected with the host. The scanning gun 8 enables the tested battery pack to be associated with corresponding test data by scanning the bar code marks in the battery pack to be tested, and the corresponding test data can be quickly found in the host through the marks in the battery pack after testing, so that the battery pack is convenient for people to check.
Finally, it should be noted that: while the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A new energy automobile battery package test system, its characterized in that: the device comprises a positive pressure gas tank, a leak tester, an output pipeline and a comparison gas storage tank with the same capacity as a battery pack;
The positive pressure gas tank is connected with the leak tester through a main pipeline, and the leak tester is connected with the output pipeline and the comparison gas storage tank; the air tightness of the battery pack to be tested is judged by observing the air pressure change in the battery pack to be tested and the comparison air storage tank through a leakage tester;
The quick-filling branch comprises a branch pipeline, a branch air processing unit, a pressure sensor and a branch stop valve, one end of the branch pipeline is connected with the main pipeline, the other end of the branch pipeline is connected with the output pipeline, and the air processing unit, the pressure sensor and the branch stop valve are sequentially arranged in the air conveying direction of the branch pipeline;
the leak tester also comprises a vacuum pump, wherein the vacuum pump is connected with the leak tester through a connecting pipeline.
2. The new energy automobile battery pack testing system according to claim 1, wherein: the bypass air handling unit includes an air filter and a pressure relief valve.
3. The new energy automobile battery pack testing system according to claim 1, wherein: and the main air treatment unit is arranged on the main pipeline and comprises an air filter and a pressure reducing valve.
4. The new energy automobile battery pack testing system according to claim 1, wherein: and the output pipeline is provided with a main-way stop valve.
5. The new energy automobile battery pack testing system according to any one of claims 1 to 4, wherein: the leakage tester is arranged on the frame, a display screen and a host are further arranged on the frame, and the display screen and the leakage tester are electrically connected with the host.
6. The new energy automobile battery pack testing system according to claim 5, wherein: the machine frame is provided with a storage box, an indicator light and a tray for placing a mouse and a keyboard, wherein the indicator light is electrically connected with a leakage tester, and four blesses Ma Lun are uniformly distributed on the periphery of the bottom of the machine frame.
7. The new energy automobile battery pack testing system according to claim 5, wherein: the device also comprises a scanning gun, and the scanning gun is electrically connected with the host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040187.6A CN108181061B (en) | 2018-01-16 | New energy automobile battery package test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040187.6A CN108181061B (en) | 2018-01-16 | New energy automobile battery package test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108181061A CN108181061A (en) | 2018-06-19 |
| CN108181061B true CN108181061B (en) | 2024-07-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525360A (en) * | 2016-12-09 | 2017-03-22 | 合肥国轩高科动力能源有限公司 | Method for detecting sealing performance of battery box body |
| CN206638397U (en) * | 2017-03-30 | 2017-11-14 | 杭州电子科技大学 | A kind of batteries of electric automobile bag air-tightness detection device |
| CN207675390U (en) * | 2018-01-16 | 2018-07-31 | 重庆安木科技有限公司 | A kind of new energy car battery packet test system |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525360A (en) * | 2016-12-09 | 2017-03-22 | 合肥国轩高科动力能源有限公司 | Method for detecting sealing performance of battery box body |
| CN206638397U (en) * | 2017-03-30 | 2017-11-14 | 杭州电子科技大学 | A kind of batteries of electric automobile bag air-tightness detection device |
| CN207675390U (en) * | 2018-01-16 | 2018-07-31 | 重庆安木科技有限公司 | A kind of new energy car battery packet test system |
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