Low-temperature protection structure for lithium battery

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a low-temperature protection structure for a lithium battery, which comprises a lithium battery body, a mounting base is mounted at the lower end of the lithium battery body, a support plate is mounted on the inner side wall of the lithium battery body, and adaptive grooves are formed in the left and right inner walls of the support plate. A first circulating groove and a second circulating groove are sequentially formed in the surface of the supporting plate from left to right; and a first telescopic rod is installed on the surface of the right side of the fixing block, and a first shielding block is installed at the end, away from the fixing block, of the first telescopic rod. The first circulating groove and the second circulating groove can be opened, then air can be blown to the lower end of the lithium battery body, and the supporting plate is not in contact with the bottom end of the lithium battery body, so that the air can be integrally in contact with the lower end of the lithium battery body, the integral contact effect is relatively good, and the integral cooling effect is relatively good.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field, concretely is a low temperature protection structure for lithium battery. BACKGROUND

[0002] Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and can be charged, and their safety, specific capacity, self-discharge rate and performance-price ratio are superior to those of lithium ion batteries. Due to its own high technical requirements, only a few companies in a few countries produce such lithium metal batteries.

[0003] To this end, China Patent No. CN218568964U discloses a low temperature protection structure for electric vehicle lithium battery, comprising an outer shell, the inner lower end of the outer shell is connected with a support column, the upper end of the support column is connected with an inner shell, both sides of the inner shell are provided with heat dissipation grooves, the inner lower end of the inner shell is installed with a first spring, the upper end of the first spring is connected with a support plate, one side of the outer side of the inner shell is connected with a fan, the other side of the outer side of the inner shell is connected with a heating wire, the upper end of the inner shell is inserted with an elastic plate, the upper end of the outer shell is connected with a box cover, the lower end of the box cover is connected with a sealing plate, the lower end of the sealing plate is connected with a soft pad, both sides of the box cover, sealing plate and soft pad are provided with first through holes; the utility model can adjust the temperature of the installation environment of lithium battery, achieve the effect of low temperature protection and high temperature protection, and has stable structure performance during use, reduces the failure rate of lithium battery during installation and use.

[0004] However, in actual use, when adjusting the temperature of the installation environment of lithium battery, the overall heat dissipation efficiency is poor when heat dissipation is needed, and the air cannot flow quickly between the lithium battery and the air, so the overall temperature adjustment speed of the installation environment is slow, and the above problems need to be improved. Utility model content

[0005] The utility model aims at providing a low temperature protection structure for lithium battery to solve the problem of slow temperature adjustment speed of the installation environment of lithium battery when adjusting the temperature of the installation environment of lithium battery and needing heat dissipation.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a low temperature protection structure for lithium battery, comprising a lithium battery body, an installation base is installed at the lower end of the lithium battery body, a support plate is installed on the inner side wall of the lithium battery body, adaptive grooves are formed in the left and right inner walls of the support plate, a first flow-through groove and a second flow-through groove are sequentially formed on the surface of the support plate from left to right;

[0007] The right surface of the fixed block is provided with a first telescopic rod, one end of the first telescopic rod away from the fixed block is provided with a first shielding block, the first shielding block and the second flow-through groove are matched with each other, the matching groove and the first shielding block are matched with each other, the first shielding block and the second shielding block can shield and seal the first flow-through groove and the second flow-through groove, and the first shielding block and the second shielding block can be stored in the matching groove.

[0008] Preferably, the left surface of the fixed block is provided with a second telescopic rod, one end of the second telescopic rod away from the fixed block is provided with a second shielding block, the surface of the first shielding block is provided with a mounting groove, the inside of the first shielding block is provided with a motor body, the output end of the motor body is provided with a rotating shaft, the outer surface of the rotating shaft is provided with a rotating plate, the rotating shaft and the rotating plate can be driven to rotate by the motor body, and the rotating plate can rotate in the mounting groove.

[0009] Preferably, the rotating plate and the mounting groove are matched with each other, the size of the rotating plate is smaller than that of the mounting groove, the right surface of the lithium battery body is provided with a first mounting frame, the left surface of the lithium battery body is provided with a second mounting frame, the right surface of the first mounting frame is provided with a side block, the lower surface of the side block is provided with an electric push rod, the side block and the connecting plate can be connected by the electric push rod, and the overall connection stability is good.

[0010] Preferably, one end of the electric push rod away from the side block is provided with a connecting plate, the left surface of the connecting plate is provided with a resisting block, and the resisting block is installed in the first mounting frame; the right surface of the lithium battery body can be abutted by the design of the resisting block, so that the stability of the lithium battery body during installation is ensured.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The low-temperature protection structure for lithium batteries, through the setting of the lithium battery body, the mounting base, the supporting plate, the adaptive slot, the first flow-through slot, the second flow-through slot, the fixing block, the first telescopic rod, the first shielding block, the second telescopic rod, the second shielding block, the mounting slot, the motor body and the rotating shaft, in use, firstly, the lithium battery body is mounted to the top surface of the mounting base, and when the temperature of the lithium battery body is low, the first telescopic rod and the second telescopic rod are started, the first shielding block and the second shielding block are sequentially driven by the first telescopic rod and the second telescopic rod to move in the adaptive slot, so that the first shielding block and the second telescopic rod are sequentially mounted to the inside of the second flow-through slot and the first flow-through slot, so that the first shielding block and the second shielding block can shield the second flow-through slot and the first flow-through slot, thereby avoiding cold air from blowing to the lower surface of the lithium battery body, this design can seal the lower end of the lithium battery body as a whole, so that the overall heat preservation effect is good, then when the lithium battery body is cooled, the first telescopic rod and the second telescopic rod start to recover to the original position, so that the second shielding block and the first shielding block are accommodated in the inside of the supporting plate, so that the first flow-through slot and the second flow-through slot are opened, then air is blown to the lower end of the lithium battery body, and the supporting plate does not contact the bottom end of the lithium battery body, so that the air can contact the lower end of the lithium battery body as a whole, the overall contact effect is good, so that the overall cooling effect is good, and the practicability of the design is embodied.

[0013] 2. The low-temperature protection structure for lithium batteries, through the setting of the first mounting frame, the side block, the electric push rod, the connecting plate, the abutting block and the second mounting frame, in use, the lithium battery body is mounted to the surface of the lithium battery body as a whole, then the electric push rod is started, the connecting plate is driven by the electric push rod to rise, so that the connecting plate rises and drives the abutting block to rise, then the abutting block moves in the inside of the first mounting frame, and the left surface of the abutting block abuts against the right surface of the lithium battery body, and the left surface of the lithium battery body can be abutted by the second mounting frame, so that the overall installation is stable, the lithium battery body is installed with good effect, and the functionality of the design is embodied. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0015] Figure 2 It is a split schematic view of the lithium battery body and the mounting base structure of the utility model;

[0016] Figure 3 It is a split schematic view of the supporting plate and the fixing block structure of the utility model;

[0017] Figure 4 It is a split schematic view of the first shielding block and the rotating shaft structure of the utility model;

[0018] Figure 5 It is the split schematic view of first mounting frame and abutting block structure of the utility model.

[0019] In the figure: 1, lithium battery body; 2, mounting base; 3, support plate; 4, adaptive slot; 5, first flow-through slot; 6, second flow-through slot; 7, fixed block; 8, first telescopic rod; 9, first shielding block; 10, second telescopic rod; 11, second shielding block; 12, mounting slot; 13, motor body; 14, rotating shaft; 15, rotating plate; 16, first mounting frame; 17, side block; 18, electric push rod; 19, connecting plate; 20, abutting block; 21, second mounting frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides an embodiment:

[0022] The low-temperature protection structure for lithium battery, the lithium battery body 1, the first telescopic rod 8, the second telescopic rod 10, the motor body 13 and the abutting block 20 used in the application are all products that can be directly purchased on the market, the principles and connection modes thereof are all prior art known to those skilled in the art, and thus will not be described here again, including the lithium battery body 1, the lower end of the lithium battery body 1 is provided with the mounting base 2, the inner side wall of the lithium battery body 1 is provided with the supporting plate 3, the left and right inner walls of the supporting plate 3 are both provided with the adaptive groove 4, the surface of the supporting plate 3 is sequentially provided with the first flow-through groove 5 and the second flow-through groove 6 from left to right, the right side surface of the lithium battery body 1 is provided with the first mounting frame 16, the left side surface of the lithium battery body 1 is provided with the second mounting frame 21, the right side surface of the first mounting frame 16 is provided with the side block 17, the lower surface of the side block 17 is provided with the electric push rod 18, the end of the electric push rod 18 away from the side block 17 is provided with the connecting plate 19, the left side surface of the connecting plate 19 is provided with the abutting block 20, the abutting block 20 is installed inside the first mounting frame 16, the lithium battery body 1 is installed on the surface of the lithium battery body 1 as a whole, then the electric push rod 18 is started, the connecting plate 19 is driven to rise by the electric push rod 18, so that the connecting plate 19 rises and drives the abutting block 20 to rise, then the abutting block 20 moves inside the first mounting frame 16, then the left side surface of the abutting block 20 abuts against the right side surface of the lithium battery body 1, and the left side surface of the lithium battery body 1 can be abutted by the design of the second mounting frame 21, so that the overall installation is stable, and the overall lithium battery body 1 is installed with good effect;

[0023] The fixed block 7 is installed with the first telescopic rod 8 on the right side surface, the first telescopic rod 8 is installed with the first shielding block 9 away from one end of the fixed block 7, the first shielding block 9 is mutually adapted between the second flow-through groove 6, the adaptive groove 4 is mutually adapted between the first shielding block 9, the second telescopic rod 10 is installed on the left side surface of the fixed block 7, the second telescopic rod 10 is installed with the second shielding block 11 away from one end of the fixed block 7, the surface of the first shielding block 9 is provided with the installation groove 12, the inside of the first shielding block 9 is installed with the motor body 13, the output end of the motor body 13 is installed with the rotating shaft 14, the outer surface of the rotating shaft 14 is installed with the rotating plate 15, the rotating plate 15 is mutually adapted between the installation groove 12, the size of the rotating plate 15 is less than the installation groove 12, first of all, through the lithium battery body 1 is installed to the top surface of the installation base 2, at the same time, when the temperature of the lithium battery body 1 is low, the first telescopic rod 8 and the second telescopic rod 10 are started, the first telescopic rod 8 and the second telescopic rod 10 drive the first shielding block 9 and the second shielding block 11 to move in the adaptive groove 4 in turn, so that the first shielding block 9 and the second telescopic rod 10 will be installed in the second flow-through groove 6 and the first flow-through groove 5 in turn, so that the first shielding block 9 and the second shielding block 11 can shield the second flow-through groove 6 and the first flow-through groove 5, so as to avoid the cold air blowing to the lower surface of the lithium battery body 1, this design can seal the lower end of the lithium battery body 1 as a whole, so that the overall heat preservation effect is good, then when the lithium battery body 1 is cooled, the first telescopic rod 8 and the second telescopic rod 10 begin to restore the original position, so that the second shielding block 11 and the first shielding block 9 will be received in the inside of the supporting plate 3, so that the first flow-through groove 5 and the second flow-through groove 6 will be opened, then the air will blow to the lower end of the lithium battery body 1, and the supporting plate 3 is not in contact with the bottom end of the lithium battery body 1, so that the air can be in contact with the lower end of the lithium battery body 1 as a whole, the overall contact effect is good, so that the overall cooling effect is good.

[0024] Working principle: when the staff uses the device, first, the device is connected with the power supply, thereby providing power support for the device, first, install the lithium battery body 1 on the top surface of the mounting base 2, when the temperature of the lithium battery body 1 is low, start the first telescopic rod 8 and the second telescopic rod 10, drive the first shielding block 9 and the second shielding block 11 in the adaptive slot 4 in sequence, thereby the first shielding block 9 and the second telescopic rod 10 are installed in the second flow slot 6 and the first flow slot 5 in sequence, so that the first shielding block 9 and the second shielding block 11 can shield the second flow slot 6 and the first flow slot 5, thereby avoiding cold air blowing to the lower surface of the lithium battery body 1, this design can seal the lower end of the lithium battery body 1 as a whole, thereby the overall heat preservation effect is good, then cool the lithium battery body 1, the first telescopic rod 8 and the second telescopic rod 10 start to restore the original position, thereby the second shielding block 11 and the first shielding block 9 are accommodated in the support plate 3, thereby the first flow slot 5 and the second flow slot 6 are opened, then the air blows to the lower end of the lithium battery body 1, and the support plate 3 is not in contact with the bottom end of the lithium battery body 1, thereby the air can be in contact with the lower end of the lithium battery body 1 as a whole, install the lithium battery body 1 on the surface of the lithium battery body 1, then start the electric push rod 18, drive the connecting plate 19 to rise, thereby the connecting plate 19 rises and drives the abutting block 20 to rise, then the abutting block 20 moves in the first mounting frame 16, then the left surface of the abutting block 20 abuts against the right surface of the lithium battery body 1, and the second mounting frame 21 can abut against the left surface of the lithium battery body 1, the above is all the working principle of the utility model.

[0025] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form; any ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above disclosed technology within the scope of the technical scheme of the utility model are equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. A low-temperature protection structure for a lithium battery, comprising a lithium battery body (1), a mounting base (2) is mounted at the lower end of the lithium battery body (1), characterized in that: The inner side wall of the lithium battery body (1) is provided with a supporting plate (3), the left and right inner walls of the supporting plate (3) are provided with an adaptive groove (4), and the surface of the supporting plate (3) is sequentially provided with a first flow-through groove (5) and a second flow-through groove (6) from left to right. The right surface of the fixed block (7) is provided with a first telescopic rod (8), one end of the first telescopic rod (8) away from the fixed block (7) is provided with a first shielding block (9), the first shielding block (9) and the second flow-through groove (6) are matched with each other, and the adaptive groove (4) and the first shielding block (9) are matched with each other.

2. The low-temperature protection structure for a lithium battery according to claim 1, characterized in that: The left surface of the fixed block (7) is provided with a second telescopic rod (10), and one end of the second telescopic rod (10) away from the fixed block (7) is provided with a second shielding block (11).

3. The low temperature protection structure for lithium battery according to claim 1, characterized in that: The surface of the first shielding block (9) is provided with a mounting groove (12), and the first shielding block (9) is internally provided with a motor body (13).

4. The low-temperature protection structure for a lithium battery according to claim 3, characterized in that: The output end of the motor body (13) is provided with a rotating shaft (14), and the outer surface of the rotating shaft (14) is provided with a rotating plate (15).

5. The low temperature protection structure for lithium battery according to claim 4, characterized in that: The rotating plate (15) and the mounting groove (12) are matched with each other, and the size of the rotating plate (15) is smaller than that of the mounting groove (12).

6. The low temperature protection structure for lithium battery according to claim 1, characterized in that: The right surface of the lithium battery body (1) is provided with a first mounting frame (16), and the left surface of the lithium battery body (1) is provided with a second mounting frame (21).

7. The low-temperature protection structure for a lithium battery according to claim 6, characterized in that: The right surface of the first mounting frame (16) is provided with a side block (17), and the lower surface of the side block (17) is provided with an electric push rod (18).

8. The low-temperature protection structure for a lithium battery according to claim 7, characterized in that: One end of the electric push rod (18) away from the side block (17) is provided with a connecting plate (19), the left surface of the connecting plate (19) is provided with a resisting block (20), and the resisting block (20) is installed in the first mounting frame (16).

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