CN216646767U - Auxiliary detection device for battery pack - Google Patents
Auxiliary detection device for battery pack Download PDFInfo
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- CN216646767U CN216646767U CN202123282591.0U CN202123282591U CN216646767U CN 216646767 U CN216646767 U CN 216646767U CN 202123282591 U CN202123282591 U CN 202123282591U CN 216646767 U CN216646767 U CN 216646767U
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- battery pack
- tray
- air
- temperature environment
- shielding cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery pack auxiliary detection device which comprises a temperature environment bin, a shielding cover and a tray, wherein an air port is formed in the side wall of the temperature environment bin, and air flow in a temperature regulation chamber is conveyed into the temperature environment bin through the air port; a tray is installed on the ground of the temperature environment bin, a shielding cover is installed at the top of the tray and used for covering the top and the periphery of the battery pack; the support is provided with a plurality of air holes, and the air flow in the temperature environment bin passes through part of the air holes enter the shielding cover and can flow out of the other part of the air holes. The battery pack temperature measuring device has the advantages that the tray is provided with the air holes, so that air flow bypasses the outer surface of the shielding cover and flows into the shielding cover from the air holes in the tray below the bottom of the battery pack, the air speed of the air flow is reduced, the influence of the air speed on the surface temperature of the battery pack is reduced, the problem that the battery pack is heated unevenly is avoided, the acquisition error is reduced, and the accuracy of a test result is improved.
Description
Technical Field
The utility model relates to a battery detection technology, in particular to a battery pack auxiliary detection device.
Background
The battery package is for satisfying normal use among the vehicle actual environment operating mode, needs the simulation vehicle actual environment in the environment storehouse of priority to carry out function, capability test, ensures to satisfy the requirement of whole car to battery performance and function. During detection, the influence of the environment temperature and the wind speed on the test result is large, and different test methods can be used for avoiding the influence of the external environment on the internal test parameters of the battery pack, so that the acquisition error is reduced, and the accuracy of the data analysis result is improved. The assessment index is that the temperature change rate and the temperature difference of the battery core generally have to meet certain requirements.
Traditional supplementary detection device for avoid the air outlet to directly carry out the heat exchange to the battery package outer wall, seals all around with the battery package through setting up the cover and shelters from, and the cover sets up porosely or seam etc. all around, and the clearing hole or seam get into the distinguished and admirable temperature of ensureing the inside and outside temperature of cover unanimous basically to test the temperature change and the difference in temperature of electric core. Because the local exposed position all around of the shielding cover differs, the temperature difference point that causes the battery package differs, and the wind speed convection in the environmental chamber makes the battery package outer wall that is close to the exposed position of shielding cover receive the influence of the ambient temperature change in the cabin at first, becomes the fastest point of temperature change, causes the battery package outer wall to receive the temperature inequality, leads to the problem that the test result error is big.
Disclosure of Invention
The utility model aims to solve the problem that the outer wall of a battery pack is heated unevenly to cause large error of a test result due to the fact that local exposed parts on the periphery of a shielding cover of an existing auxiliary detection device are different.
In order to achieve the purpose, the utility model adopts the following technical scheme.
A battery pack auxiliary detection device comprises a temperature environment bin, a shielding cover and a tray, wherein an air port is formed in the side wall of the temperature environment bin, and air flow in a temperature regulation chamber is conveyed into the temperature environment bin through the air port; a tray is installed on the ground of the temperature environment bin, a shielding cover is installed at the top of the tray and used for covering the top and the periphery of the battery pack; the support is provided with a plurality of air holes, and air flow in the temperature environment bin enters the shielding cover through part of the air holes and can flow out of the other part of the air holes.
By adopting the technical scheme, the utility model simulates the working environment which is possibly met by the battery pack by arranging the temperature environment bin, the temperature environment in the temperature environment bin is controlled by the air flow sent out from the air port of the temperature adjusting chamber, the tray is placed on the ground of the temperature environment bin, the battery pack is arranged at the top of the tray, the periphery and the top of the battery pack are covered by the shielding cover, the air flow passing through the upper part is prevented from directly contacting with the surface of the battery pack, the surface temperature of the battery pack is rapidly changed, the external environment influences the internal test parameters of the battery pack, the air hole is arranged on the tray, the air flow bypasses the outer surface of the shielding cover and flows into the shielding cover from the air hole on the tray below the bottom of the battery pack, the temperature inside and outside the shielding cover is consistent, the air speed entering the shielding cover after the air flow bypasses the top to the bottom of the temperature environment bin is slowed down, and the influence of the air speed on the surface temperature of the battery pack is reduced, the problem that the battery pack is heated unevenly is avoided, the influence on the internal test parameters of the battery pack is reduced, the acquisition error is reduced, and the accuracy of the test result is improved.
Preferably, the temperature adjusting chamber is arranged on one side of the temperature environment bin, an air conditioner is arranged at the top of the temperature adjusting chamber, and an air outlet and an air inlet are respectively formed in the upper end and the lower end of one side wall shared by the temperature adjusting chamber and the temperature environment bin. Through setting up the temperature regulation room, set up the air conditioner in the temperature regulation room, set up air outlet and air intake again and make the temperature in the temperature regulation room keep unanimous with the temperature in the temperature environment storehouse, the operational environment of simulation battery package detects the temperature change rate and the difference in temperature of battery package.
Preferably, the shielding cover is a rectangular box structure with an opening at the lower part, and the opening end of the shielding cover covers the top surface of the tray at the lower part. Through setting up the surface that the shield cover shroud battery package, avoid the distinguished and admirable battery package top outer wall to blow over, directly carry out the heat exchange with the battery package to shield the cover and set up the opening, make the distinguished and admirable wind hole through on the tray enter into the shield from the opening inside, make the inside and outside temperature of shield unanimous.
Preferably, the whole tray is of a rectangular frame structure, the upper end of the tray is formed by arranging a plurality of transverse plates, and a certain distance is arranged between the transverse plates in the middle of the tray; a plurality of longitudinal plates are connected below the transverse plate, and a certain distance is arranged between every two longitudinal plates; and air holes are formed by the distance between the longitudinal plates and the distance between the transverse plates, and air flows to the inside of the shielding cover above the air holes. A certain distance is arranged between partial transverse plates of the tray, and a certain distance is arranged between the longitudinal plates to form the wind holes, so that wind flow can enter the shielding cover from the wind holes at the bottom, the wind speed of the wind flow can be reduced, and the influence on the battery pack during detection is reduced.
Preferably, a plurality of bottom supports are connected to the lower portion of the longitudinal plate at intervals according to a certain distance, the bottom supports are rectangular or square, the longitudinal plate and the transverse plate above the bottom supports are lifted up to form a hollow space through the bottom supports, and the hollow space is communicated with the air holes above the bottom supports. The vertical plate and the transverse plate above the bottom support are lifted to form the hollow space through the bottom support, the air flow of the bottom of the tray can be improved through the hollow space, and the air flow of the through holes communicated with the hollow space can be improved.
Preferably, a choke plate is arranged in the center of the tray, the choke plate is parallel to a transverse plate located in the center, the wind holes are divided into two parts through the choke plate, wind entering the wind holes on one side flows to the wind holes on the other side of the shielding cover, and the wind flows to the temperature environment bin. The choke plate is arranged to enable the airflow to be blocked by the advection channel at the bottom of the tray, the airflow enters the shielding cover through the air hole in the upper portion to enable the temperature inside and outside the shielding cover to be consistent, and the airflow flows out through the air hole in the other side of the choke plate to form a channel.
Preferably, a side door is arranged on one side wall of the temperature environment bin, which is far away from the temperature adjusting chamber. The side door is arranged, so that the temperature environment bin can be conveniently accessed to install and debug related equipment.
The utility model has the advantages that the temperature environment bin is arranged to simulate the working environment which is possibly met by the battery pack, the temperature environment in the temperature environment bin is controlled by the air flow sent out from the air port of the temperature adjusting chamber, the tray is arranged on the ground of the temperature environment bin, the battery pack is arranged on the top of the tray, the periphery and the top of the battery pack are covered by the shielding cover, the air flow passing through the upper part is prevented from directly contacting with the surface of the battery pack, the surface temperature of the battery pack is rapidly changed, the external environment influences the internal test parameters of the battery pack, the air hole is arranged on the tray, the air flow bypasses the outer surface of the shielding cover and flows into the shielding cover from the air hole on the tray below the bottom of the battery pack, the temperature inside and outside the shielding cover is consistent, the air speed entering the shielding cover after the air flow bypasses the top to the bottom of the temperature environment bin is slowed down, and the influence of the air speed on the surface temperature of the battery pack is reduced, the problem that the battery pack is heated unevenly is avoided, the influence on the internal test parameters of the battery pack is reduced, the acquisition error is reduced, and the accuracy of the test result is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the tray of the present invention;
fig. 3 is a cross-sectional view a-a of fig. 2 of the present invention.
Detailed Description
The present invention is further described with reference to the accompanying drawings, but the utility model is not limited thereby within the scope of the described embodiments.
Reference numerals in the drawings of the specification include: the temperature environment cabin 1, the temperature adjusting chamber 11, the air conditioner 12, the air inlet 13, the air outlet 14, the side door 15, the shielding cover 2, the battery pack 3, the tray 4, the vertical plate 41, the horizontal plate 42, the air hole 43, the choke plate 44 and the bottom support 45.
Referring to fig. 1 and 2, the auxiliary detection device for the battery pack comprises a temperature environment bin 1, a shielding cover 2 and a tray 4, wherein an air port is formed in the side wall of the temperature environment bin 1, and air flow in a temperature adjusting chamber 11 is conveyed into the temperature environment bin 1 through the air port; a tray 4 is installed on the ground of the temperature environment bin 1, a shielding cover 2 is installed at the top of the tray 4, and the shielding cover 2 is used for covering the top and the periphery of a battery pack 3; the tray 4 is provided with a plurality of air holes 43, and the air flow in the temperature environment chamber 1 enters the shielding cover 2 through the air holes 43 and can flow out from the air holes 43.
Referring to fig. 1, the temperature adjustment chamber 11 is disposed at one side of the temperature environment chamber 1, an air conditioner 12 is disposed at the top inside the temperature adjustment chamber 11, and an air outlet 14 and an air inlet 13 are respectively formed at the upper end and the lower end of a side wall shared by the temperature adjustment chamber 11 and the temperature environment chamber 1.
Referring to fig. 1, the shielding cover 2 is a rectangular box structure with an opening at the lower part, and the opening end of the shielding cover 2 covers the top surface of the tray 4 at the lower part.
Referring to fig. 2 and 3, the tray 4 is a rectangular frame structure as a whole, the upper end of the tray 4 is formed by arranging a plurality of transverse plates 42, and a certain distance is arranged between the plurality of transverse plates 42 in the middle; a plurality of longitudinal plates 41 are connected below the transverse plate 42, and a certain distance is arranged between every two longitudinal plates 41; a plurality of air holes 43 are formed by the distance between the vertical plates 41 and the distance between the horizontal plates 42, and the air flows through the air holes 43 toward the inside of the upper shielding cover 2.
Referring to fig. 2, a plurality of bottom supports 45 are connected below the vertical plate 41 at intervals, the bottom supports 45 are rectangular or square, the vertical plate 41 and the transverse plate 42 above are lifted by the bottom supports 45 to form a hollow space, and the hollow space is communicated with the air holes 43 above.
Referring to fig. 1 to 3, a choke plate 44 is arranged in the center of the tray 4, the choke plate 44 is parallel to the horizontal plate 42 located in the center, the choke plate 44 divides the air hole 43 into two parts, the air hole 43 on one side enters the air flow to the air hole 43 on the other side of the shielding cover 2, and the air flow is output to the temperature environment chamber 1.
Referring to fig. 1, a side door 15 is disposed on a side wall of the temperature environment chamber 1 away from the temperature adjustment chamber 11.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The auxiliary detection device for the battery pack is characterized by comprising a temperature environment bin (1), a shielding cover (2) and a tray (4), wherein an air port is formed in the side wall of the temperature environment bin (1), and air flow in a temperature adjusting chamber (11) is conveyed into the temperature environment bin (1) through the air port; the tray (4) is installed on the ground of the temperature environment bin (1), the shielding cover (2) is installed at the top of the tray (4), and the shielding cover (2) is used for covering the top and the periphery of the battery pack (3); the tray (4) is provided with a plurality of air holes (43), and air flow in the temperature environment bin (1) enters the shielding cover (2) through a part of the air holes (43) and can flow out of the other part of the air holes (43).
2. The auxiliary detection device for the battery pack according to claim 1, wherein the temperature adjusting chamber (11) is arranged at one side of the temperature environment bin (1), an air conditioner (12) is arranged at the top inside the temperature adjusting chamber (11), and an air outlet (14) and an air inlet (13) are respectively formed at the upper end and the lower end of a side wall shared by the temperature adjusting chamber (11) and the temperature environment bin (1).
3. The auxiliary detection device for the battery pack as claimed in claim 1, wherein the shielding cover (2) is a rectangular box structure with an opening at the lower part, and the opening end of the shielding cover (2) is covered on the top surface of the lower tray (4).
4. The auxiliary detection device for the battery pack according to claim 1, wherein the tray (4) is a rectangular frame structure as a whole, the upper end of the tray (4) is formed by arranging a plurality of transverse plates (42), and a certain distance is arranged between the plurality of transverse plates (42) in the middle; a plurality of longitudinal plates (41) are connected below the transverse plate (42), and a certain distance is arranged between every two longitudinal plates (41); a plurality of air holes (43) are formed by the distance between the longitudinal plates (41) and the distance between the transverse plates (42).
5. The auxiliary detection device for the battery pack according to claim 4, wherein a plurality of bottom supports (45) are connected below the vertical plate (41) at intervals, the bottom supports (45) are rectangular or square, and the vertical plate (41) and the transverse plate (42) above are lifted by the bottom supports (45) to form a hollow space and are communicated with the air holes (43) above.
6. The auxiliary detection device for the battery pack as claimed in claim 4, wherein a choke plate (44) is arranged in the center of the tray (4), the choke plate (44) is parallel to the horizontal plate (42) located in the center, the wind hole (43) is divided into two parts by the choke plate (44), and the wind entering the wind hole (43) on one side flows to the wind hole (43) on the other side of the shielding cover (2) and outputs the wind to the temperature environment chamber (1).
7. The auxiliary detection device for the battery pack according to any one of claims 1 to 6, wherein a side door (15) is arranged on one side wall of the temperature environment chamber (1) far away from the temperature regulation chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123282591.0U CN216646767U (en) | 2021-12-24 | 2021-12-24 | Auxiliary detection device for battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123282591.0U CN216646767U (en) | 2021-12-24 | 2021-12-24 | Auxiliary detection device for battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216646767U true CN216646767U (en) | 2022-05-31 |
Family
ID=81744508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123282591.0U Active CN216646767U (en) | 2021-12-24 | 2021-12-24 | Auxiliary detection device for battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216646767U (en) |
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2021
- 2021-12-24 CN CN202123282591.0U patent/CN216646767U/en active Active
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