CN209786136U - Indirect liquid cooling structure of power battery pack - Google Patents
Indirect liquid cooling structure of power battery pack Download PDFInfo
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- CN209786136U CN209786136U CN201822189025.7U CN201822189025U CN209786136U CN 209786136 U CN209786136 U CN 209786136U CN 201822189025 U CN201822189025 U CN 201822189025U CN 209786136 U CN209786136 U CN 209786136U
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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 an indirect liquid cooling structure of power battery group, including shell and a plurality of battery cell, the bottom inner wall fixedly connected with liquid reserve tank and the first cooling block of shell, first cavity has been seted up in the first cooling block, the upper surface of first cooling block is connected with a plurality of battery cell's lower fixed surface, the fixed cylinder that has cup jointed of a plurality of battery cell's lateral wall, the second cavity has been seted up in the cylinder, the common fixedly connected with second cooling block of the upper surface of a plurality of battery cell, the third cavity has been seted up in the second cooling block, the first pipe of the equal fixedly connected with of diapire of a plurality of second cavities, the bottom of second cavity is passed to the bottom of a plurality of first pipes and communicates with the top of first cavity is fixed. The utility model discloses can effectual improvement the radiating efficiency of group battery, guarantee group battery can normal use, maintain portably, improve the life of group battery, can effectually avoid the group battery to damage, improve the security of group battery work.
Description
Technical Field
The utility model relates to a battery technology field especially relates to an indirect liquid cooling structure of power battery group.
Background
in recent years, the power battery has been developed vigorously as a power battery that can be used in electric vehicles, electromechanical devices, large-capacity energy storage devices, and the like, and the power battery is used as a carrier of electric energy and is a normal use performance of a plurality of devices and devices. In practice, in order to reduce the influence of the external environment, the power battery pack is usually placed in a relatively sealed environment. Under the use conditions, a large amount of heat generated by the power battery pack in the working process cannot be smoothly removed, so that the temperature of the power battery rises sharply, and the service life of the battery is shortened and the performance of the battery is reduced when the power battery pack works at a higher temperature for a long time; the thermal conduction of the power battery pack has great significance.
The existing battery pack cooling structure is complex, inconvenient to maintain and low in cooling efficiency, the requirement for cooling the battery pack cannot be met, the internal temperature of the battery pack is high, the service life of the battery pack is influenced, in addition, the internal temperature of the battery pack is high, the battery pack is easy to damage, the normal work of the battery pack is influenced, and the safety of the battery pack is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art that the refrigerated structure of group battery is complicated, inconvenient maintenance, and refrigerated efficiency is lower, can't reach the refrigerated requirement of group battery, influences the life of group battery to and the inside temperature of group battery is higher, lead to the group battery to damage easily, make the lower problem of security of group battery, and the indirect liquid cooling structure of a power battery group who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
An indirect liquid cooling structure of a power battery pack comprises a shell and a plurality of single batteries, wherein a liquid storage tank and a first cooling block are fixedly connected to the inner wall of the bottom end of the shell, a first cavity is formed in the first cooling block, the upper surface of the first cooling block is fixedly connected with the lower surfaces of the single batteries, a cylinder is fixedly sleeved on the side wall of each single battery, a second cavity is formed in the cylinder, the upper surfaces of the single batteries are fixedly connected with a second cooling block together, a third cavity is formed in the second cooling block, the bottom walls of the second cavities are fixedly connected with first guide pipes, the bottom ends of the first guide pipes penetrate through the bottom end of the second cavity and are fixedly communicated with the top end of the first cavity, the top walls of the second cavities are fixedly communicated with second guide pipes, and the top ends of the second guide pipes penetrate through the top end of the second cavity and are fixedly communicated with the bottom end of the third cavity, the utility model discloses a heat dissipation device, including shell, first cavity, second cavity, first hose, second hose, first cavity, second cavity, first hose, second cavity, second hose, second cavity, first cavity, second cavity, first hose, second hose, first hose, second cavity, first hose, second cavity, first cavity.
Preferably, the auxiliary heat dissipation mechanism comprises a driving motor fixedly connected with the inner wall of the shell, and the output end of the driving motor is fixedly connected with the fan blades.
Preferably, alarm mechanism includes and inlays the first electrode piece of establishing with the shell inner wall is fixed, the lower fixed surface of first electrode piece is connected with the test tube, the inner wall swing joint of test tube has the second electrode piece, the bottom packing of test tube has mercury, the last fixed surface of shell is connected with the siren.
Preferably, two heat dissipation holes are formed in the upper surface of the shell, and dust screens are fixedly connected to the inner walls of the heat dissipation holes.
Preferably, the plurality of unit batteries are sequentially connected end to end through a lead, wherein the positive terminal is electrically connected with the positive pole column of the shell through the lead, and the negative terminal is electrically connected with the negative pole column of the shell through the lead.
Preferably, the first cooling block, the second cooling block and the cylinder are all made of stainless steel.
Compared with the prior art, the utility model provides an indirect liquid cooling structure of power battery group possesses following beneficial effect:
1. The indirect liquid cooling structure of the power battery pack is provided with the first cooling block, the second cooling block and the cylinder, when the battery pack works, the micro pump machine is started firstly, the micro pump machine conveys cooling liquid in the liquid storage tank to the first cavity in the first cooling block through the third guide pipe, then the cooling liquid is conveyed to the third cavity and the second cavity through the second guide pipe and the first guide pipe, then heat in the single battery is conducted to the cooling liquid through the first cooling block, the second cooling block and the cylinder, then the cooling liquid enters the serpentine pipe through the first hose, heat dissipation is carried out through the radiating fins, the driving motor is started simultaneously, the fan blades rotate to accelerate air flow in the shell, heat dissipation of the battery pack is accelerated, then the cooling liquid returns to the liquid storage tank for recycling after cooling, the structure can effectively improve the heat dissipation efficiency of the battery pack, the battery pack can be normally used and is convenient to maintain, and the service life of the battery pack is prolonged.
2. This indirect liquid cooling structure of power battery group, through being provided with first electrode block, the second electrode block, mercury and siren, when the temperature risees unusually in the group battery, mercury is heated the inflation and promotes the second electrode block along test tube rebound, and make second electrode block and first electrode block contact, make the warning circuit intercommunication, the siren sends out the police dispatch newspaper, remind the staff to take emergency measures, avoid taking accident such as conflagration, avoid taking unnecessary loss, this structure can effectually avoid the group battery to damage, the security of group battery work has been improved.
The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectual improvement the radiating efficiency of group battery, guarantee group battery can normal use, and it is simple and convenient to maintain, has improved the life of group battery, can effectually avoid the group battery to damage, has improved the security of group battery work.
Drawings
fig. 1 is a schematic structural view of an indirect liquid cooling structure of a power battery pack according to the present invention;
Fig. 2 is a schematic structural diagram of a part a of an indirect liquid cooling structure of a power battery pack according to the present invention.
In the figure: the device comprises a shell 1, a single battery 2, a liquid storage tank 3, a first cooling block 4, a cylinder 5, a second cooling block 6, a first guide pipe 7, a second guide pipe 8, a micropump 9, a third guide pipe 10, a heat radiating fin 11, a coiled pipe 12, a first cavity 13, a second cavity 14, a third cavity 15, a driving motor 16, fan blades 17, a first electrode block 18, a test tube 19, a second electrode block 20, mercury 21, a dust screen 22 and an alarm 23.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, an indirect liquid cooling structure of a power battery pack comprises a housing 1 and a plurality of single batteries 2, wherein a liquid storage tank 3 and a first cooling block 4 are fixedly connected to the inner wall of the bottom end of the housing 1, a first cavity 13 is formed in the first cooling block 4, the upper surface of the first cooling block 4 is fixedly connected with the lower surfaces of the plurality of single batteries 2, a cylinder 5 is fixedly sleeved on the side wall of the plurality of single batteries 2, a second cavity 14 is formed in the cylinder 5, a second cooling block 6 is fixedly connected to the upper surfaces of the plurality of single batteries 2 together, a third cavity 15 is formed in the second cooling block 6, the bottom walls of the plurality of second cavities 14 are fixedly connected with first guide pipes 7, the bottom ends of the plurality of first guide pipes 7 penetrate through the bottom end of the second cavity 14 and are fixedly communicated with the top end of the first cavity 13, and the top walls of the plurality of second cavities 14 are fixedly communicated with second guide pipes 8, the top of second pipe 8 all passes the top of second cavity 14 and communicates with the bottom mounting of third cavity 15, the bottom inner wall fixedly connected with micropump machine 9 of liquid reserve tank 3, the output fixedly connected with third pipe 10 of micropump machine 9, the one end that third pipe 10 keeps away from micropump machine 9 passes the lateral wall of liquid reserve tank 3 and communicates with the lateral wall mounting of first cavity 13, the rectangle through-hole has been seted up to the lateral wall of shell 1, and the pore wall fixedly connected with fin 11 of rectangle through-hole, the inner wall fixedly connected with coiled pipe 12 of fin 11, the end of intaking of coiled pipe 12 passes the fixed intercommunication of first hose and the lateral wall of third cavity 15, the outlet end of coiled pipe 12 passes through the fixed intercommunication in second hose and the top of liquid reserve tank 3, the inner wall fixedly connected with auxiliary heat dissipation mechanism of shell 1, the inner wall fixedly connected with alarm mechanism of shell 1.
The auxiliary heat dissipation mechanism comprises a driving motor 16 fixedly connected with the inner wall of the shell 1, the output end of the driving motor 16 is fixedly connected with fan blades 17, and the fan blades 17 accelerate air flow in the shell 1 and heat dissipation of the battery pack.
Alarm mechanism includes and inlays the first electrode piece 18 of establishing with the fixed wall of shell 1 inner wall, the lower fixed surface of first electrode piece 18 is connected with test tube 19, test tube 19's inner wall swing joint has second electrode piece 20, test tube 19's bottom packing has mercury 21, the last fixed surface of shell 1 is connected with siren 23, first electrode piece 18 passes through the input electric connection of wire with siren 23, wire and shell 1 negative pole electric connection are passed through to siren 23's output, mercury 21 passes through wire and shell 1's positive pole electric connection, this electric connection is prior art, and be known for technical personnel in the field, no longer describe herein.
Two louvres have been seted up to the upper surface of shell 1, and the equal fixedly connected with dust screen 22 of inner wall of louvre, dust screen 22 can prevent that the dust from getting into the inside of shell 1.
The plurality of single batteries 2 are sequentially connected end to end through the lead, wherein the positive terminal is electrically connected with the positive post of the housing 1 through the lead, and the negative terminal is electrically connected with the negative post of the housing 1 through the lead.
The first cooling block 4, the second cooling block 6 and the cylinder 5 are all made of stainless steel, and the stainless steel can prevent the first cooling block 4, the second cooling block 6 and the cylinder 5 from being corroded and damaged.
In the utility model, when the battery pack works, firstly, the micro-pump 9 is started, the cooling liquid in the liquid storage tank 3 is conveyed to the first cavity 13 in the first cooling block 4 by the micro-pump 9 through the third conduit 10, then the cooling liquid is conveyed to the third cavity 15 and the second cavity 14 through the second conduit 8 and the first conduit 7, then the heat in the single battery 2 is conducted to the cooling liquid through the first cooling block 4, the second cooling block 6 and the cylinder 5, then the cooling liquid enters the coiled pipe 12 through the first hose, and the heat dissipation is carried out through the radiating fin 11, meanwhile, the driving motor 16 is started, the fan blade 17 is rotated by the driving motor 16, the air flow in the shell 1 is accelerated by the fan blade 17, the heat dissipation of the battery pack is accelerated, then the cooling liquid returns to the liquid storage tank 3 for recycling after cooling, the structure can effectively improve the heat dissipation efficiency of the battery pack, the guarantee group battery can normal use, it is simple and convenient to maintain, the life of group battery has been improved, when the temperature risees unusually in the group battery, mercury 21 is heated the inflation and promotes second electrode piece 20 along test tube 19 rebound, and make second electrode piece 20 and the contact of first electrode piece 18, make alarm circuit intercommunication, siren 23 sends out the police dispatch newspaper, remind the staff to take emergency measures, avoid taking accident such as conflagration, avoid taking place the unnecessary loss, this structure can effectually avoid the group battery to damage, the security of group battery work has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an indirect liquid cooling structure of power battery group, includes shell (1) and a plurality of battery cell (2), a serial communication port, the bottom inner wall fixedly connected with liquid reserve tank (3) and first cooling piece (4) of shell (1), first cavity (13) have been seted up in first cooling piece (4), the upper surface of first cooling piece (4) and the lower fixed surface of a plurality of battery cell (2) are connected, and are a plurality of the lateral wall of battery cell (2) is fixed to be cup jointed drum (5), it has second cavity (14) to have been seted up in drum (5), and is a plurality of the common fixedly connected with second cooling piece (6) of upper surface of battery cell (2), it has third cavity (15) to have been seted up in second cooling piece (6), and is a plurality of the equal fixedly connected with first pipe (7) of diapire of second cavity (14), and is a plurality of the bottom of first pipe (7) is passed the bottom of second cavity (14) and is with first cavity (13) The top end of the shell (1) is fixedly communicated, the top walls of the second cavities (14) are fixedly communicated with a second guide pipe (8), the top ends of the second guide pipes (8) penetrate through the top end of the second cavities (14) and are fixedly communicated with the bottom end of a third cavity (15), the inner wall of the bottom end of the liquid storage box (3) is fixedly connected with a micro pump machine (9), the output end of the micro pump machine (9) is fixedly connected with a third guide pipe (10), one end, far away from the micro pump machine (9), of the third guide pipe (10 penetrates through the side wall of the liquid storage box (3) and is fixedly communicated with the side wall of a first cavity (13), the side wall of the shell (1) is provided with a rectangular through hole, a radiating fin (11) is fixedly connected with the inner wall of the radiating fin (11), a coiled pipe (12) is fixedly connected with the water inlet end of the coiled pipe (12) and is fixedly communicated with the side wall of the third cavity (15), the water outlet end of the coiled pipe (12) is fixedly communicated with the top end of the liquid storage tank (3) through a second hose, the inner wall of the shell (1) is fixedly connected with an auxiliary heat dissipation mechanism, and the inner wall of the shell (1) is fixedly connected with an alarm mechanism.
2. The indirect liquid cooling structure of the power battery pack according to claim 1, wherein the auxiliary heat dissipation mechanism comprises a driving motor (16) fixedly connected with the inner wall of the housing (1), and the output end of the driving motor (16) is fixedly connected with the fan blade (17).
3. The indirect liquid cooling structure of a power battery pack according to claim 1, wherein the alarm mechanism comprises a first electrode block (18) fixedly embedded in the inner wall of the housing (1), a test tube (19) is fixedly connected to the lower surface of the first electrode block (18), a second electrode block (20) is movably connected to the inner wall of the test tube (19), mercury (21) is filled in the bottom end of the test tube (19), and an alarm (23) is fixedly connected to the upper surface of the housing (1).
4. The indirect liquid cooling structure of power battery pack according to claim 1, wherein two heat dissipation holes are formed in the upper surface of the housing (1), and a dust screen (22) is fixedly connected to the inner walls of the heat dissipation holes.
5. The indirect liquid cooling structure of the power battery pack according to claim 1, wherein a plurality of the single batteries (2) are sequentially connected end to end through a lead, wherein the positive terminal is electrically connected with the positive pole of the housing (1) through the lead, and the negative terminal is electrically connected with the negative pole of the housing (1) through the lead.
6. The indirect liquid cooling structure of the power battery pack according to claim 1, wherein the first cooling block (4), the second cooling block (6) and the cylinder (5) are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189025.7U CN209786136U (en) | 2018-12-25 | 2018-12-25 | Indirect liquid cooling structure of power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189025.7U CN209786136U (en) | 2018-12-25 | 2018-12-25 | Indirect liquid cooling structure of power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786136U true CN209786136U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822189025.7U Active CN209786136U (en) | 2018-12-25 | 2018-12-25 | Indirect liquid cooling structure of power battery pack |
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| Country | Link |
|---|---|
| CN (1) | CN209786136U (en) |
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2018
- 2018-12-25 CN CN201822189025.7U patent/CN209786136U/en active Active
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