CN219676039U - Automatic protection device suitable for thermal test of hard shell lithium batteries with different specifications - Google Patents
Automatic protection device suitable for thermal test of hard shell lithium batteries with different specifications Download PDFInfo
- Publication number
- CN219676039U CN219676039U CN202222560250.3U CN202222560250U CN219676039U CN 219676039 U CN219676039 U CN 219676039U CN 202222560250 U CN202222560250 U CN 202222560250U CN 219676039 U CN219676039 U CN 219676039U
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- plate
- protection device
- different specifications
- thermal test
- lithium batteries
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 57
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000005338 heat storage Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
The utility model belongs to the field of lithium battery thermal test, and particularly relates to an automatic protection device suitable for thermal test of hard-shell lithium batteries with different specifications. According to the utility model, the front protection plate is driven to move back and forth by the front driving mechanism, and the rear protection plate is driven to move back and forth by the rear driving mechanism, so that the lithium battery is timely and automatically protected, and the lithium battery is prevented from being influenced by the temperature field of the incubator.
Description
Technical Field
The utility model belongs to the field of thermal testing of lithium batteries, and particularly relates to an automatic protection device suitable for thermal testing of hard shell lithium batteries with different specifications.
Background
The principle of testing the thermal conductivity of the hard shell lithium battery is that an infrared thermal imager monitors the process from TO temperature heat release TO T1 temperature of the lithium battery, and the thermal conductivity is calculated through algorithm inversion. The temperature of the constant temperature box is set to be T0, the lithium battery placed in the constant temperature box can be raised to be T0 from normal temperature, and the heat absorption process does not need to protect the temperature field around the lithium battery. When the temperature T1 is set by the liquid cooling plate at the bottom of the lithium battery to start working, the lithium battery can emit heat, and the heat emission process of the lithium battery needs to be protected in order to ensure that the battery is not influenced by the temperature field of the incubator.
If the lithium battery is manually protected before the test starts, the time for the lithium battery to rise to T0 from normal temperature can be prolonged, and the test time is greatly prolonged. If the lithium battery is manually protected during testing, the incubator temperature field will be destroyed.
Based on the problems, the utility model provides the automatic protection device for the thermal test of the hard-shell lithium batteries with different specifications, which has the characteristics of green color, high automation degree and the like.
Disclosure of Invention
In order to make up for the defects of the prior art, the utility model provides a technical scheme of an automatic protection device for thermal test, which is suitable for hard-shell lithium batteries with different specifications.
The utility model provides a be fit for heat test automatic protection device of different specification hard shell lithium cell, includes preceding guard plate, preceding actuating mechanism, back guard plate and back actuating mechanism, preceding guard plate is used for covering the front surface of lithium cell, preceding actuating mechanism is used for driving preceding guard plate back-and-forth movement, back guard plate and preceding guard plate set up relatively, and it is used for covering the back surface of lithium cell, back actuating mechanism is used for driving back guard plate back-and-forth movement.
Further, the front drive mechanism includes a push rod mechanism.
Further, the front protection plate is connected with the front heat storage layer and the front heat insulation layer in a matched mode, and the front heat storage layer and the front heat insulation layer are overlapped up and down.
Further, the front temperature control plate is further included, the front end of the front protection plate is connected with the front guide shaft in a matched mode, and the front guide shaft is in front-back sliding fit with the front temperature control plate.
Further, the rear drive mechanism includes a nut screw mechanism.
Further, the nut screw mechanism comprises a left screw rod, a right screw rod, two screw rod nuts which are respectively connected with the corresponding screw rods in a screwed mode, a synchronous belt component matched with the two screw rods in a transmission mode and a motor used for driving the synchronous belt component to work, and the two screw rod nuts are connected with the rear protection plate.
Further, the rear protection plate is connected with the rear heat storage layer and the rear heat insulation layer in a matched mode, and the rear heat storage layer and the rear heat insulation layer are overlapped up and down.
Further, the rear temperature control plate is further included, the rear end of the rear protection plate is connected with a rear guide shaft in a matched mode, and the rear guide shaft is in front-back sliding fit with the rear temperature control plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the front protection plate is driven to move back and forth by the front driving mechanism, and the rear protection plate is driven to move back and forth by the rear driving mechanism, so that the lithium battery is timely and automatically protected, and the lithium battery is prevented from being influenced by the temperature field of the incubator.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
fig. 2 is a schematic top view of the present utility model.
Description of the embodiments
In the description of the present utility model, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an automatic thermal test protection device suitable for hard-shell lithium batteries with different specifications comprises a front protection plate 1, a front driving mechanism, a rear protection plate 2 and a rear driving mechanism, wherein the front protection plate 1 is used for covering the front surface of a lithium battery 3, the front driving mechanism is used for driving the front protection plate 1 to move back and forth, the rear protection plate 2 is arranged opposite to the front protection plate 1 and is used for covering the rear surface of the lithium battery 3, and the rear driving mechanism is used for driving the rear protection plate 2 to move back and forth.
It can be understood that in the above technical scheme, the front protection plate 1 is driven to move back and forth by the front driving mechanism, and the rear protection plate 2 is driven to move back and forth by the rear driving mechanism, so that the lithium battery 3 is timely and automatically protected, and the lithium battery 3 is prevented from being influenced by the temperature field of the incubator.
With continued reference to fig. 1, the front driving mechanism includes a push rod mechanism 4, an output end of the push rod mechanism 4 is connected with a floating joint 18, the floating joint is connected with a front heat insulation layer 6, a cam follower 19 is arranged at the bottom of the front heat insulation layer 6, a front heat storage layer 5 is fixedly stacked at the upper end of the front heat insulation layer 6, and the front heat storage layer 5 is connected with a front protection plate 1 through a connecting plate 20.
In use, the push rod mechanism 4 drives the front protection plate 1 to move back and forth through the floating joint 18 and other structures.
The push rod mechanism 4 is preferably an air cylinder, and a hydraulic cylinder, an electric cylinder, a nut screw mechanism, or the like may be used.
With continued reference to fig. 2, the rear driving mechanism comprises a nut screw mechanism, the nut screw mechanism comprises a left screw rod 9, a right screw rod 9, two screw rod nuts 10 which are respectively in threaded connection with the corresponding screw rods 9, a synchronous belt assembly 11 in transmission fit with the two screw rods 9, and a motor 12 for driving the synchronous belt assembly 11 to work, the two screw rod nuts 10 are connected with the rear protection plate 2, the lower end of the rear protection plate 2 is connected with the rear heat storage layer 13 through a connecting plate 20, the bottom of the rear heat storage layer 13 is connected with the rear heat insulation layer 14, and the rear heat storage layer 13 is overlapped with the rear heat insulation layer 14 up and down.
When the nut screw mechanism works, the motor 12 drives the synchronous belt assembly 11 to work, the synchronous belt assembly 11 drives the two screw rods 9 to rotate, and the screw rods 9 drive the screw nuts 10 on the screw rods to move back and forth together with the rear protection plate 2.
The nut screw mechanism can also adopt a single screw rod structure.
The nut screw rod mechanism can be replaced by a hydraulic cylinder or a conveyor belt mechanism, and the conveyor belt mechanism drives the rear protection plate 2 to move back and forth through a conveyor belt.
The utility model is arranged in an incubator, the incubator comprises a front temperature control plate 7 and a rear temperature control plate 15, the front end of the front protection plate 1 is connected with a front guide shaft 8 in a matched manner, a sliding sleeve is arranged on the front temperature control plate 7, and the front guide shaft 8 is in sliding fit with the sliding sleeve on the front temperature control plate 7 in a front-back sliding manner. The motor 12 is arranged on the rear temperature control plate 15 through a motor seat 21, two screw rods 9 are rotatably arranged between the front temperature control plate 7 and the rear temperature control plate 15, the rear end of the rear protection plate 2 is connected with a rear guide shaft 16 in a matched mode, a sliding sleeve is arranged on the rear temperature control plate 15, and the rear guide shaft 16 is in front-back sliding fit with a sliding table of the rear temperature control plate 15.
The lithium battery lithium ion battery heat storage device is matched with the liquid cooling plate 17 for use, the liquid cooling plate 17 is positioned between the bottoms of the front protection plate 1 and the rear protection plate 2, the lithium battery 3 is placed on the liquid cooling plate 17, the lithium battery 3 can be propped against the liquid cooling plate 17 when the front protection plate 1 moves to the maximum position backwards, and the rear protection plate 2, the rear heat storage layer 13 and the rear heat insulation layer 14 are all positioned above the liquid cooling plate 17.
The position where the lithium battery 3 is placed is determined each time, and thus the distance of each movement of the front protection plate 1 is determined. As shown in fig. 1, the movement of the front fender is controlled by a cylinder 4.
The position of the rear protection plate 2 of the lithium battery 3 is uncertain because the test specification of the lithium battery 3 is different each time. As shown in fig. 1 and 2, the movement of the rear fender 2 is controlled by a motor 12. The upper computer inputs the thickness of the lithium battery 3, and the program control motor 12 rotates the number of turns, so that the moving distance of the rear protection plate 2 can be ensured. The lithium battery 3 test may have a manual error, prevent that the back guard plate 2 from bumping into the lithium battery 3, can install micro-gap switch on the back guard plate 2.
The function of the heat insulation layer is to create a temperature field for the analyzed lithium battery 3 in the process of cooling; the heat storage layer mainly has the function of reducing heat exchange between the incubator and the battery temperature field in the analysis cooling process.
The using method of the automatic protection device for the thermal test is as follows:
the first step: when the lithium battery 3 is raised from normal temperature to T0, the cylinder 4 and the motor 12 do not work, and the lithium battery 3 is in a heat absorption state at this time;
and a second step of: when the lithium battery 3 rises to T0, the air cylinder 4 and the motor 12 work, after the front protection plate 1 and the rear protection plate 2 move to a certain distance from the lithium battery 3, the liquid cooling plate 17 starts to be communicated with cooling liquid so that the temperature of the lithium battery 3 is quickly reached to T1, and the lithium battery 3 is in a heat release state;
and a third step of: after the test is completed, the air cylinder 4 and the motor 12 work to enable the front protection plate 1 and the rear protection plate 2 to return to the original positions, the test is completed, and the lithium battery 3 is taken away.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The utility model provides a be fit for heat test automatic protection device of different specification hard shell lithium cell, its characterized in that includes preceding guard plate (1), preceding actuating mechanism, back guard plate (2) and back actuating mechanism, preceding guard plate (1) is used for covering the front surface of lithium cell (3), preceding actuating mechanism is used for driving preceding guard plate (1) back and forth movement, back guard plate (2) set up with preceding guard plate (1) relatively, and it is used for covering the back surface of lithium cell (3), back actuating mechanism is used for driving back guard plate (2) back and forth movement.
2. The automatic thermal test protection device for lithium batteries with different specifications according to claim 1, wherein the front driving mechanism comprises a push rod mechanism (4).
3. The automatic thermal test protection device suitable for the lithium batteries with different specifications is characterized in that the front protection plate (1) is connected with the front heat storage layer (5) and the front heat insulation layer (6) in a matched mode, and the front heat storage layer (5) and the front heat insulation layer (6) are stacked up and down.
4. The automatic thermal test protection device suitable for the lithium batteries with different specifications is characterized by further comprising a front temperature control plate (7), wherein the front end of the front protection plate (1) is connected with a front guide shaft (8) in a matched mode, and the front guide shaft (8) is matched with the front temperature control plate (7) in a sliding mode in the front-back mode.
5. The automatic thermal test protection device for lithium batteries with different specifications according to claim 1, wherein the rear driving mechanism comprises a nut-screw mechanism.
6. The automatic protection device for the thermal test of the lithium battery with the hard shell suitable for different specifications according to claim 5 is characterized in that the nut screw mechanism comprises a left screw rod (9), a right screw rod (9), two screw rod nuts (10) which are respectively connected to the corresponding screw rods (9) in a screwed mode, a synchronous belt assembly (11) in transmission fit with the two screw rods (9) and a motor (12) for driving the synchronous belt assembly (11) to work, and the two screw rod nuts (10) are connected with the rear protection plate (2).
7. The automatic thermal test protection device suitable for the lithium batteries with different specifications is characterized in that the rear protection plate (2) is connected with the rear heat storage layer (13) and the rear heat insulation layer (14) in a matched mode, and the rear heat storage layer (13) and the rear heat insulation layer (14) are stacked up and down.
8. The automatic thermal test protection device suitable for the lithium batteries with different specifications is characterized by further comprising a rear temperature control plate (15), wherein the rear end of the rear protection plate (2) is connected with a rear guide shaft (16) in a matched mode, and the rear guide shaft (16) is in front-back sliding fit with the rear temperature control plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222560250.3U CN219676039U (en) | 2022-09-27 | 2022-09-27 | Automatic protection device suitable for thermal test of hard shell lithium batteries with different specifications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222560250.3U CN219676039U (en) | 2022-09-27 | 2022-09-27 | Automatic protection device suitable for thermal test of hard shell lithium batteries with different specifications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219676039U true CN219676039U (en) | 2023-09-12 |
Family
ID=87895579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222560250.3U Active CN219676039U (en) | 2022-09-27 | 2022-09-27 | Automatic protection device suitable for thermal test of hard shell lithium batteries with different specifications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219676039U (en) |
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2022
- 2022-09-27 CN CN202222560250.3U patent/CN219676039U/en active Active
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