CN219979741U - Protection device for lithium battery - Google Patents
Protection device for lithium battery Download PDFInfo
- Publication number
- CN219979741U CN219979741U CN202321313011.6U CN202321313011U CN219979741U CN 219979741 U CN219979741 U CN 219979741U CN 202321313011 U CN202321313011 U CN 202321313011U CN 219979741 U CN219979741 U CN 219979741U
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- China
- Prior art keywords
- protective housing
- lithium battery
- protective
- fixed plate
- battery according
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 55
- 230000001681 protective effect Effects 0.000 claims abstract description 82
- 239000000945 filler Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000005057 refrigeration Methods 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229920006351 engineering plastic Polymers 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 13
- 238000004880 explosion Methods 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a protection device for a lithium battery, which relates to the technical field of protection for the lithium battery and aims to solve the problems that the surface of the lithium battery is directly damaged by sharp metal objects under the condition of collision of the lithium battery, the lithium battery is burnt and exploded, and meanwhile, the surface of the lithium battery generates certain heating condition during operation, and the protection device comprises a first protection shell; further comprises: the second protective housing, it sets up the inside at first protective housing, the upper and lower both ends of second protective housing all are provided with the filler, and the filler passes through the adhesion laminating between second protective housing and first protective housing, be formed with the vacuum layer between second protective housing and the first protective housing, the inside upper end of second protective housing is provided with the fixed plate, the inside lower extreme of second protective housing is provided with the fixed plate down.
Description
Technical Field
The utility model relates to the technical field of protection for lithium batteries, in particular to a protection device for lithium batteries.
Background
The lithium battery has the characteristics of small volume, high stored energy density, long service life, strong high-low temperature adaptability, green environmental protection and the like, and is widely applied to energy storage power supply systems of hydraulic power, firepower, wind power or solar power stations and used as electric tools in various fields such as electric bicycles, electric motorcycles, electric automobiles and the like.
In the using process of the device, under the condition that the lithium battery collides, if a sharp metal object is carelessly encountered to damage the surface of the lithium battery, the situation that the lithium battery burns and explodes can be directly caused, and meanwhile, certain heating condition can be generated on the surface of the lithium battery during operation; we have therefore proposed a protection device for lithium batteries in order to solve the problems set out above.
Disclosure of Invention
The utility model aims to provide a protection device for a lithium battery, which solves the problems that in the prior art, under the condition of collision of the lithium battery, if a sharp metal object is carelessly encountered to damage the surface of the lithium battery, the situation of combustion explosion of the lithium battery can be directly caused, and meanwhile, certain heating condition can be generated on the surface of the lithium battery during operation.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a protection device for lithium battery includes a first protection shell;
further comprises:
the inside of second protective housing, its setting at first protective housing, the upper and lower both ends of second protective housing all are provided with the filler, and the filler passes through the adhesion laminating between second protective housing and first protective housing, be formed with the vacuum layer between second protective housing and the first protective housing, the inside upper end of second protective housing is provided with the fixed plate, the inside lower extreme of second protective housing is provided with down the fixed plate, be provided with battery body between fixed plate and the last fixed plate down, and battery body block is fixed between fixed plate and the last fixed plate down.
Preferably, the first protective shell is made of cast aluminum alloy, and the second protective shell is made of engineering plastic.
Preferably, an overload breaker is arranged in the upper fixing plate, and the overload breaker is attached to the upper end joint of the battery body.
Preferably, the both sides of second protective housing all are provided with the vent, and the vent communicates first protective housing, the inside of vent is provided with the fan, and the fan is provided with two and sets up the inside at corresponding vent respectively, the both sides of first protective housing are provided with the filter screen, and the filter screen is located the import department of vent.
Preferably, the outside of battery body is provided with the refrigeration pipe, and the refrigeration pipe cover is established and the block is fixed in the outer wall round of battery body, the left side top of refrigeration pipe is provided with the water inlet, the right side below of refrigeration pipe is provided with the delivery port, the front side of first protective housing is provided with the water tank, the junction of water inlet is provided with the inlet tube, and inlet tube and water tank intercommunication, the junction of delivery port is provided with the outlet pipe, and outlet pipe and water tank intercommunication, be provided with the water pump with the inside of water tank, and water pump and water piping connection, the inside of water tank is provided with the refrigerator.
Preferably, rubber pads are arranged in the upper fixing plate and the lower fixing plate, and the rubber pads are fixed in the upper fixing plate and the lower fixing plate through adhesion.
Preferably, the filling block is made of rock wool boards.
Preferably, the upper end in the second protective housing is provided with the inductive head, the upper end of first protective housing is provided with the display lamp, and the output of inductive head and the input electric connection of display lamp.
Preferably, the upper and lower both ends of first protective housing all are provided with the pivot all around, one side of pivot is provided with the connecting rod, upper and lower both ends be provided with the dead lever between the connecting rod, and dead lever and connecting rod swing joint, be provided with the baffle between the dead lever.
Preferably, the output end of the induction head is electrically connected with the input end of the rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the lithium battery is arranged in the double-layer protective shell, so that the situation that the lithium battery collides with an external object can be effectively resisted, the danger of explosion or combustion and the like of the lithium battery can be reduced to the greatest extent by the material of the double-layer protective shell, and meanwhile, a certain sharp object can be resisted by the material of the double-layer protective shell, and the external sharp object is prevented from carelessly puncturing the protective shell, so that the lithium battery is damaged.
2. Through setting up two kinds of cooling treatment modes of forced air cooling and water-cooling with the inside of protective housing, can the at utmost cool down the processing to reduce the risk that battery temperature is too high and produce burning or explode, the contact patch of lithium cell is provided with overload breaker simultaneously, overload protector can cut off the connection of lithium cell with external world when lithium cell temperature surpasses safety margin, thereby reduce the risk, and set up the inductive head in inside, thereby the inductive head control is rotated the entrance with the vent and is blocked explosion or fire source and overflow when lithium cell produces danger.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the overall structure of the present utility model;
FIG. 3 is a top view of the overall structure of the present utility model;
in the figure: 1. a first protective case; 2. filling blocks; 3. a second protective case; 4. an upper fixing plate; 5. an overload breaker; 6. an induction head; 7. a vent; 8. a fan; 9. a filter screen; 10. a refrigeration tube; 11. a lower fixing plate; 12. a water outlet; 13. a water inlet; 14. a battery body; 15. a vacuum layer; 16. a water inlet pipe; 17. a water outlet pipe; 18. a water pump; 19. a water tank; 20. a refrigerating machine; 21. a display lamp; 22. a rotating shaft; 23. a connecting rod; 24. a fixed rod; 25. a baffle; 26. and a rubber pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, an embodiment of the present utility model is provided: a protection device for lithium battery comprises a first protection shell 1;
further comprises:
the second protective housing 3, it sets up the inside at first protective housing 1, the upper and lower both ends of second protective housing 3 all are provided with filler 2, filler 2 is laminated between second protective housing 3 and first protective housing 1 through the adhesion, be formed with vacuum layer 15 between second protective housing 3 and the first protective housing 1, the inside upper end of second protective housing 3 is provided with fixed plate 4, the inside lower extreme of second protective housing 3 is provided with fixed plate 11 down, be provided with battery body 14 between fixed plate 11 and the last fixed plate 4 down, and battery body 14 block is fixed between fixed plate 11 and the last fixed plate 4 down.
The lithium battery is arranged in the double-layer protective shell, so that the situation that the lithium battery collides with an external object can be effectively resisted, and the danger such as explosion or combustion of the lithium battery can be reduced to the greatest extent by the material of the double-layer protective shell.
Referring to fig. 1-3, the first protective shell 1 is made of cast aluminum alloy, the second protective shell 3 is made of engineering plastic, the cast aluminum alloy has a strong explosion-proof effect, and the engineering plastic has dustproof, corrosion-proof and explosion-proof effects, so that the battery is prevented from leaking liquid to corrode the inside.
Referring to fig. 2, an overload breaker 5 is disposed in the upper fixing plate 4, and the overload breaker 5 is attached to an upper end of the battery body 14, so that a connection part of the lithium battery is cut off when the lithium battery is overheated beyond a bearing range, thereby reducing a certain risk.
Referring to fig. 2-3, the two sides of the second protection shell 3 are respectively provided with a ventilation opening 7, the ventilation openings 7 are communicated with the first protection shell 1, a fan 8 is arranged in the ventilation openings 7, the fans 8 are respectively arranged in the corresponding ventilation openings 7, the two sides of the first protection shell 1 are provided with filter screens 9, and the filter screens 9 are positioned at the inlet of the ventilation openings 7 and are used for performing air cooling and temperature reduction treatment on the lithium battery.
Referring to fig. 2-3, a cooling tube 10 is disposed outside the battery body 14, the cooling tube 10 is sleeved and fastened on a circle of outer wall of the battery body 14, a water inlet 13 is disposed above the left side of the cooling tube 10, a water outlet 12 is disposed below the right side of the cooling tube 10, a water tank 19 is disposed on the front side of the first protective shell 1, a water inlet pipe 16 is disposed at the connection position of the water inlet 13, the water inlet pipe 16 is communicated with the water tank 19, a water outlet pipe 17 is disposed at the connection position of the water outlet 12, the water outlet pipe 17 is communicated with the water tank 19, a water pump 18 is disposed inside the water tank 19, the water pump 18 is connected with the water outlet pipe 17, a refrigerator 20 is disposed inside the water tank 19, and cooling are performed on the battery in a water cooling manner.
Referring to fig. 2, rubber pads 26 are disposed inside the upper and lower fixing plates 4 and 11, and the rubber pads 26 are adhered and fixed inside the upper and lower fixing plates 4 and 11 to provide vibration damping and buffering effects for the lithium battery.
Referring to fig. 2, the filling block 2 is made of a rock wool board for fixing the second protective shell 3 and the rock wool board has a certain heat insulation property.
Referring to fig. 1-2, a sensing head 6 is disposed at an upper end of an inside of the second protective housing 3, a display lamp 21 is disposed at an upper end of the first protective housing 1, an output end of the sensing head 6 is electrically connected with an input end of the display lamp 21, and danger generated by a battery is fed back through the sensing head 6 to enable the display lamp 21 to flash for reminding.
Referring to fig. 1, a rotary shaft 22 is disposed around the upper and lower ends of the first protective case 1, a connecting rod 23 is disposed on one side of the rotary shaft 22, a fixing rod 24 is disposed between the connecting rods 23 at the upper and lower ends, the fixing rod 24 is movably connected with the connecting rod 23 in a rotary manner, and a baffle 25 is disposed between the fixing rods 24 for shielding the filter screen 9 to prevent the battery from overflowing from the ventilation opening 7 when explosion or combustion occurs.
Referring to fig. 1-2, an output end of the sensing head 6 is electrically connected to an input end of the rotating shaft 22, and a signal is fed back to the rotating shaft 22 through the sensing head 6 so that the rotating shaft 22 drives the baffle 25 to move.
Working principle: when the lithium battery cooling device is used, a lithium battery is placed and clamped between the upper fixing plate 4 and the lower fixing plate 11, rubber pads 26 are arranged inside the upper fixing plate 4 and the lower fixing plate 11, vibration reduction and buffering can be conducted on the lithium battery, the upper end joint of the lithium battery is attached to the overload breaker 5, when the overheat of the lithium battery exceeds a bearing range, the lithium battery joint is cut off, the fan 8 is started to conduct air cooling treatment on the battery body 14, the refrigerating pipe 10 is sleeved on the battery body 14 to conduct water cooling treatment on the battery body, a refrigerator 20 and a water pump 18 are arranged in the water tank 19, continuous cold water circulation treatment can be conducted, when explosion or combustion is conducted on the lithium battery, the induction head 6 receives signals and feeds the signals back to the display lamp 21, and meanwhile the signals are fed back to the rotating shaft 22 to enable the rotating driving baffle 25 to cover the inlet of the ventilation opening 7, so that the risk of explosion or combustion overflow is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model 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 utility model 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.
Claims (10)
1. A protection device for a lithium battery includes a first protection case (1);
the method is characterized in that: further comprises:
the second protective housing (3), it sets up the inside at first protective housing (1), the upper and lower both ends of second protective housing (3) all are provided with filler (2), and filler (2) are laminated between second protective housing (3) and first protective housing (1) through the adhesion, be formed with vacuum layer (15) between second protective housing (3) and first protective housing (1), the inside upper end of second protective housing (3) is provided with fixed plate (4), the inside lower extreme of second protective housing (3) is provided with fixed plate (11) down, be provided with battery body (14) between fixed plate (11) and the last fixed plate (4) down, and battery body (14) block is fixed between fixed plate (11) and last fixed plate (4) down.
2. The protective device for a lithium battery according to claim 1, wherein: the first protective shell (1) is made of cast aluminum alloy, and the second protective shell (3) is made of engineering plastic.
3. The protective device for a lithium battery according to claim 1, wherein: an overload breaker (5) is arranged in the upper fixing plate (4), and the overload breaker (5) is attached to the upper end joint of the battery body (14).
4. The protective device for a lithium battery according to claim 1, wherein: the utility model discloses a fan, including first protective housing (1), second protective housing (3), fan (8), filter screen (9) are provided with in both sides of second protective housing (3), and vent (7) intercommunication first protective housing (1), the inside of vent (7) is provided with fan (8), and fan (8) are provided with two and set up the inside at corresponding vent (7) respectively, the both sides of first protective housing (1) are provided with filter screen (9), and filter screen (9) are located the import department of vent (7).
5. The protective device for a lithium battery according to claim 1, wherein: the outside of battery body (14) is provided with refrigeration pipe (10), and refrigeration pipe (10) cover is established and the block is fixed in the outer wall round of battery body (14), the left side top of refrigeration pipe (10) is provided with water inlet (13), the right side below of refrigeration pipe (10) is provided with delivery port (12), the front side of first protective housing (1) is provided with water tank (19), the junction of water inlet (13) is provided with inlet tube (16), and inlet tube (16) and water tank (19) intercommunication, the junction of delivery port (12) is provided with outlet pipe (17), and outlet pipe (17) and water tank (19) intercommunication, be provided with water pump (18) with the inside of water tank (19), and water pump (18) are connected with outlet pipe (17), the inside of water tank (19) is provided with refrigerator (20).
6. The protective device for a lithium battery according to claim 1, wherein: the inside of upper fixed plate (4) and lower fixed plate (11) all is provided with rubber pad (26), and rubber pad (26) are fixed in the inside of upper fixed plate (4) and lower fixed plate (11) through the adhesion.
7. The protective device for a lithium battery according to claim 1, wherein: the filling block (2) is made of rock wool plates.
8. The protective device for a lithium battery according to claim 1, wherein: the inside upper end of second protective housing (3) is provided with inductive head (6), the upper end of first protective housing (1) is provided with display lamp (21), and the output of inductive head (6) and the input electric connection of display lamp (21).
9. The protective device for a lithium battery according to claim 1, wherein: the novel protective shell is characterized in that rotary shafts (22) are arranged around the upper end and the lower end of the first protective shell (1), one side of each rotary shaft (22) is provided with a connecting rod (23), fixing rods (24) are arranged between the connecting rods (23) at the upper end and the lower end, the fixing rods (24) are movably connected with the connecting rods (23) in a rotary mode, and baffle plates (25) are arranged between the fixing rods (24).
10. The protective device for a lithium battery according to claim 8, wherein: the output end of the induction head (6) is electrically connected with the input end of the rotating shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313011.6U CN219979741U (en) | 2023-05-29 | 2023-05-29 | Protection device for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321313011.6U CN219979741U (en) | 2023-05-29 | 2023-05-29 | Protection device for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979741U true CN219979741U (en) | 2023-11-07 |
Family
ID=88588336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321313011.6U Active CN219979741U (en) | 2023-05-29 | 2023-05-29 | Protection device for lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979741U (en) |
-
2023
- 2023-05-29 CN CN202321313011.6U patent/CN219979741U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |