CN108134022B - Lithium battery energy storage device - Google Patents
Lithium battery energy storage device Download PDFInfo
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- CN108134022B CN108134022B CN201711409182.8A CN201711409182A CN108134022B CN 108134022 B CN108134022 B CN 108134022B CN 201711409182 A CN201711409182 A CN 201711409182A CN 108134022 B CN108134022 B CN 108134022B
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- heat dissipation
- lithium battery
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- shell
- energy storage
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 93
- 238000004146 energy storage Methods 0.000 title claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims abstract description 123
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention discloses a lithium battery energy storage device, wherein a lithium battery assembly is arranged in a shell, the lithium battery assembly is provided with a charging interface and a discharging interface, the input end and the output end of the lithium battery assembly are both provided with heat dissipation mechanisms, each heat dissipation mechanism comprises a heat dissipation plate, a guide plate, a partition plate and a heat dissipation part, an annular gap is formed between the heat dissipation plate and the inner side wall of the shell, the edge part of the guide plate is connected with one end of the heat dissipation plate close to an installation opening, a plurality of vent holes are formed in the guide plate at intervals, the heat dissipation part is arranged on the shell, the fixed end of the heat dissipation plate is fixed with the inner side wall of the shell through an annular sealing plate, the distance between the heat dissipation plate and the inner side wall of the shell is gradually increased from the fixed end of the heat dissipation plate to the free end, and a compressor is connected to an air inlet at the fixed end of the shell. According to the energy storage device provided by the invention, heat generated by the charging interface and the discharging interface can be rapidly dissipated from the heat dissipation part.
Description
Technical Field
The invention relates to the technical field of battery energy storage devices, in particular to a lithium battery energy storage device.
Background
Lithium ion batteries have been widely used as power sources in various fields including 3C products, power energy storage, power generation and energy storage, and the like, and the lithium ion batteries are a strong reducing agent and have safety accidents such as combustion and explosion when being contacted with an oxidizing agent such as oxygen due to the fact that the chemical properties of lithium are very active waves.
The lithium battery can generate heat in the use process, especially in the charge and discharge process of the battery, the battery can continuously heat, the internal short circuit of the battery is possibly caused, the battery shell is broken, and then accidents such as liquid leakage and fire are caused, the battery performance can be greatly reduced at high temperature, however, the protection effect of the existing lithium battery energy storage device on the battery is poor, and especially the heat dissipation effect of the existing lithium battery energy storage device in the high-temperature environment generated during charge and discharge of the lithium battery energy storage device is not obvious.
Disclosure of Invention
The invention aims to provide a lithium battery energy storage device which aims to solve the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the lithium battery energy storage device comprises a shell, wherein a lithium battery assembly is arranged in the shell, at least one charging interface is arranged at the input end of the lithium battery assembly, at least one discharging interface is arranged at the output end of the lithium battery assembly, and mounting ports for mounting the charging interface and the discharging interface are correspondingly arranged on the shell; the lithium battery module comprises a shell, and is characterized by further comprising a heat dissipation mechanism, wherein the input end and the output end of the lithium battery module are both provided with the heat dissipation mechanism, the heat dissipation mechanism comprises a heat dissipation plate, a guide plate, a partition plate and a heat dissipation part, the heat dissipation plate is arranged between the inner wall of the shell and the lithium battery module, a space is reserved between the heat dissipation plate and the inner side wall of the shell to form an annular gap, the edge part of the guide plate is connected with one end of the heat dissipation plate, which is close to the mounting opening, a plurality of vent holes are formed in the guide plate at intervals, and the heat dissipation part is arranged on the shell; one end of the heat radiation plate, which is close to the charging interface or the discharging interface, is a free end, the other end of the heat radiation plate is a fixed end, the fixed end is fixed with the inner side wall of the shell through an annular sealing plate, and the distance between the heat radiation plate and the inner side wall of the shell is gradually increased in the direction from the fixed end to the free end; the shell is located the stiff end department is provided with the air inlet, be connected with the compressor on the air inlet.
According to the lithium battery energy storage device, the gap is arranged between the annular sealing plate of the input end and the annular sealing plate of the output end of the lithium battery assembly.
The lithium battery energy storage device comprises the heat dissipation part, wherein the heat dissipation part comprises heat dissipation holes and heat dissipation grooves, the heat dissipation holes are formed in two sides of the shell corresponding to the input end and the output end of the lithium battery assembly, and the heat dissipation grooves are arranged around the mounting opening.
According to the lithium battery energy storage device, the side wall of the heat dissipation groove is obliquely arranged, and the area of the section of the heat dissipation groove is gradually increased in the direction from the inner side wall to the outer side wall of the shell.
The lithium battery energy storage device further comprises a sealing piece arranged on the heat dissipation groove, wherein the sealing piece comprises a sealing strip matched with the heat dissipation groove, one side edge of the sealing strip is rotationally connected to the heat dissipation groove, and the other side edge of the sealing strip is provided with a clamping part; the sealing strip with the lateral wall of heat dissipation groove is provided with compression mechanism, compression mechanism includes boss, compression spring and elastic plate, the boss is fixed on the heat dissipation groove lateral wall, the elastic plate passes through compression spring to be connected the top of boss.
The lithium battery energy storage device is characterized in that an accommodating cavity is formed between the heat dissipation groove and the mounting opening, a buckling piece is arranged in the accommodating cavity, and the buckling piece is clamped with the buckling part so as to seal the sealing strip on the heat dissipation groove.
The lithium battery energy storage device comprises the fastening piece, the elastic piece is fixed at the bottom of the accommodating cavity, the horizontal piece is fixed at the upper end of the elastic piece, the bottom of the annular piece is fixed on the horizontal piece, the annular piece surrounds the mounting opening, the annular piece stretches out the shell is provided with the pressing part, and one side, close to the sealing strip, of the annular piece is provided with the fastening part matched with the fastening part.
The lithium battery energy storage device further comprises a temperature control mechanism, wherein the temperature control mechanism comprises: the lithium battery pack comprises a battery assembly, a temperature sensor, an alarm, a driving unit and a temperature control mechanism, wherein the temperature sensor is arranged on the battery assembly to detect the temperature of the lithium battery pack, the alarm and the temperature control device are connected with the temperature sensor, the driving unit is connected with the compressor and the temperature control device, and the temperature control mechanism receives an output signal of the temperature sensor and has an alarm state and a normal state; in the alarm state, the alarm sounds an alarm, and the driving unit drives the compressor to blow air flow to the air inlet; in the normal state, the temperature control mechanism controls the alarm and the driving unit to stop working.
In the technical scheme, the lithium battery energy storage device provided by the invention is characterized in that the lithium battery assembly is arranged in the shell, the heat dissipation mechanisms are arranged at the charging interface and the discharging interface of the lithium battery assembly, each heat dissipation mechanism comprises a heat dissipation plate, a guide plate, a partition plate and a heat dissipation part, heat dissipation channels for the charging mechanism and the discharging mechanism of the lithium battery are formed among the heat dissipation plate, the guide plate and the inner side wall of the shell, and under the action of the compressor on the shell, heat generated by the charging interface and the discharging interface of the lithium battery can be rapidly dissipated from the heat dissipation part, so that the lithium battery pack is protected.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a novel lithium battery energy storage device according to an embodiment of the present invention;
fig. 2 is a perspective view of a novel lithium battery energy storage device according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a seal according to an embodiment of the present invention.
Reference numerals illustrate:
1. A housing; 1.1, a mounting port; 2. a lithium battery module; 2.1, a charging interface; 2.2, a discharge interface; 3. a heat dissipation mechanism; 3.1, a heat dissipation plate; 3.2, a guide plate; 3.2.1, vent holes; 3.3, dividing plate; 3.4, a heat dissipation part; 3.4.1, radiating holes; 3.4.2, a heat dissipation groove; 3.5, an annular sealing plate; 3.6, air inlet; 3.7, a compressor; 4. a seal; 4.1, sealing strips; 4.2, a clamping part; 4.3, a boss; 4.4, compressing the spring; 4.5, an elastic plate; 4.6, a containing cavity; 4.7, an annular plate; 4.7.1, a pressing part; 4.7.2, a buckling part; 4.8, horizontal plates; 4.9, an elastic piece; 5. and (3) rotating the shaft.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the novel lithium battery energy storage device provided by the embodiment of the invention comprises a shell 1, wherein a lithium battery component 2 is arranged in the shell 1, at least one charging interface 2.1 is arranged at the input end of the lithium battery component 2, at least one discharging interface 2.2 is arranged at the output end of the lithium battery component 2, and a mounting port 1.1 for mounting the charging interface 2.1 and the discharging interface 2.2 is correspondingly arranged on the shell 1; the lithium battery module comprises a shell 1, a lithium battery module 2, a heat dissipation mechanism 3, a guide plate 3.2, a partition plate 3.3 and a heat dissipation part 3.4, wherein the heat dissipation mechanism 3 comprises a heat dissipation plate 3.1, a guide plate 3.2, a partition plate 3.3 and a heat dissipation part 3.4, the heat dissipation plate 3.1 is arranged between the inner wall of the shell 1 and the lithium battery module 2 along the length direction of the inner wall of the shell 1, a space is reserved between the heat dissipation plate 3.1 and the inner wall of the shell 1 to form an annular gap, the edge part of the guide plate 3.2 is connected with one end of the heat dissipation plate 3.1 close to an installation opening 1.1, a plurality of vent holes 3.2.1 are formed in the guide plate 3.2 at intervals, and the heat dissipation part 3.4 is arranged on the shell 1; one end of the heat radiation plate 3.1, which is close to the charging interface 2.1 or the discharging interface 2.2, is a free end, the other end of the heat radiation plate 3.1 is a fixed end, the fixed end is fixed with the inner side wall of the shell 1 through an annular sealing plate 3.5, the distance between the heat radiation plate 3.1 and the inner side wall of the shell 1 is gradually increased from the fixed end to the free end, an air inlet 3.6 is arranged at the fixed end of the shell 1, and a compressor 3.7 is connected to the air inlet 3.6.
Specifically, the lithium battery pack comprises a plurality of groups of lithium batteries, the lithium battery pack is arranged in the shell 1, the input end and the output end of the lithium battery pack are provided with the charging interface 2.1, the output end of the lithium battery pack is provided with the discharging interface 2.2, the charging interface 2.1 and the discharging interface 2.2 can be one, a plurality of charging interfaces 2.1 and discharging interfaces 2.2 can also be designed according to the requirement, a plurality of mounting ports 1.1 are correspondingly arranged on the shell 1, the mounting ports 1.1 are used for fixing the charging interfaces 2.1 and the discharging interfaces 2.2 on the shell 1, the input end and the output end of the lithium battery pack are both provided with the heat dissipation mechanisms 3, the heat dissipation mechanisms 3 are used for dissipating heat of the lithium battery pack, particularly, when the lithium battery pack is charged and discharged, a large amount of heat is generated, the heat dissipation mechanisms 3 can have good heat dissipation effects, the heat dissipation mechanisms 3 comprise the heat dissipation plates 3.1, guide plates 3.2, partition plates 3.3.3 and heat dissipation parts 3.4, optionally, a certain distance is reserved between the inner side wall of the shell 1 and the lithium battery component 2, a certain distance is reserved between the input end and the output end of the shell 1, which are positioned at the lithium battery pack, and the lithium battery component 2, the heat dissipation plate 3.1 is arranged between the shell 1 and the lithium battery component 2, a gap is arranged between the heat dissipation plate 3.1 and the inner side wall of the shell 1, the heat dissipation plate 3.1 surrounds the lithium battery pack, an annular ventilation channel is formed between the inner side wall of the shell 1 and the heat dissipation plate 3.1, one end of the heat dissipation plate 3.1, which is close to the charging interface 2.1 or the discharging mechanism, is a free end, the other end of the heat dissipation plate 3.1 is a fixed end, the fixed end of the heat dissipation plate 3.1 is fixed on the inner side wall of the shell 1 through an annular sealing plate 3.5, the heat dissipation plate 3.1 is obliquely arranged inwards in the shell 1, in the direction from the fixed end of the heat dissipation plate 3.1 to the free end, the clearance between heating panel 3.1 and the inside wall of shell 1 increases gradually, be connected with deflector 3.2 at the free end of heating panel 3.1, deflector 3.2 can be circular, also can be annular, so form the space of relative independence with the input and the output of lithium cell subassembly 2 through shell 1, heating panel 3.1 and deflector 3.2, be provided with cooling part 3.4 in shell 1 and the both sides corresponding with the input and the output of lithium cell subassembly 2, cooling part 3.4 can be louvre 3.4.1 or heat dissipation groove 3.4.2, also can be other heat radiation structure, be provided with air inlet 3.6 in shell 1 and be located the stiff end department of heating panel 3.1, air inlet 3.6 is linked together with the clearance that forms between heating panel 3.1 and the inside wall of shell 1, be connected with compressor 3.7 on air inlet 3.6, through compressor 3.7 can blow the air current mutually air inlet 3.6, the air current is exported from part 3.4 behind the clearance passageway between the inside shell 1 and shell 1, thereby carry out the air current to the lithium cell group's the input and the output and the deflector 3.1, it is equipped with the air vent to realize through a plurality of the inside ventilation hole 3.2.1.2 to say, the realization.
According to the novel lithium battery energy storage device provided by the embodiment of the invention, the lithium battery assembly 2 is arranged in the shell 1, the heat dissipation mechanisms 3 are arranged at the charging interface 2.1 and the discharging interface 2.2 of the lithium battery assembly 2, each heat dissipation mechanism 3 comprises a heat dissipation plate 3.1, a guide plate 3.2, a partition plate 3.3 and a heat dissipation part 3.4, heat dissipation channels for the charging mechanism and the discharging mechanism of the lithium battery are formed among the heat dissipation plates 3.1, the guide plates 3.2 and the inner side walls of the shell 1, and under the action of the compressor 3.7 on the shell 1, heat generated by the charging interface 2.1 and the discharging interface 2.2 of the lithium battery can be rapidly dissipated from the heat dissipation parts 3.4, so that the lithium battery pack is protected.
In this embodiment, preferably, the input end and the output end of the lithium battery module 2 are both provided with a heat dissipation mechanism 3, and a gap is provided between the input end and the annular sealing plate 3.5 of the output end of the lithium battery module 2; the heat dissipation mechanism 3 and the shell 1 respectively form relatively independent spaces for the input end and the output end of the lithium battery assembly 2, so that a good heat dissipation effect can be achieved when the lithium battery pack is charged and discharged.
In this embodiment, preferably, the heat dissipation portion 3.4 includes heat dissipation holes 3.4.1 and heat dissipation grooves 3.4.2, the heat dissipation holes 3.4.1 are disposed on two sides of the housing 1 corresponding to the input end and the output end of the lithium battery module 2, the heat dissipation grooves 3.4.2 are disposed along the surrounding mounting opening 1.1, the side walls of the heat dissipation grooves 3.4.2 are disposed obliquely, and the area of the cross section of the heat dissipation grooves 3.4.2 is gradually increased from the inner side wall to the outer side wall of the housing 1; the radiating holes 3.4.1 are arranged on the shell 1 at intervals, one end of the radiating holes 3.4.1, which is positioned on the inner side wall of the shell 1, is an air inlet end, one end of the radiating holes 3.4.1, which is positioned on the outer side of the shell 1, is an air outlet end, and the radial dimension of the air inlet end of the radiating holes 3.4.1 is larger than that of the air outlet end, so that dust or sundries can be prevented from entering the shell 1 when the compressor 3.7 does not work, the radiating groove 3.4.2 which is obliquely arranged enables the radiating effect to be more obvious, and meanwhile, the sealing piece 4 is further arranged on the radiating groove 3.4.2, and the radiating groove 3.4.2 can be opened or closed through the sealing piece 4.
In this embodiment, preferably, the heat dissipation device further includes a sealing member 4 disposed on the heat dissipation groove 3.4.2, where the sealing member 4 includes a sealing strip 4.1 matched with the heat dissipation groove 3.4.2, one side edge of the sealing strip 4.1 is rotationally connected to the heat dissipation groove 3.4.2 through the rotation shaft 5, and a fastening portion 4.2 is disposed on the other side edge of the sealing strip 4.1; the sealing strip 4.1 and the side wall of the heat dissipation groove 3.4.2 are provided with a compressor 3.7 structure, the compressor 3.7 structure comprises a boss 4.3, a compression spring 4.4 and an elastic plate 4.5, the boss 4.3 is fixed on the side wall of the heat dissipation groove 3.4.2, and the elastic plate 4.5 is connected above the boss 4.3 through the compression spring 4.4; the compressor 3.7 is blocked on the rotation stroke of the sealing strip 4.1, when the sealing strip 4.1 rotates to be in a state horizontal to the plane of the shell 1 so as to seal the heat dissipation groove 3.4.2, the sealing strip 4.1 compresses the elastic plate 4.5 and the compression spring 4.4, so that the compression spring 4.4 is in a compressed state, and after the pressure on the sealing strip 4.1 disappears, the sealing strip 4.1 can automatically pop out of the heat dissipation groove 3.4.2 under the elastic force of the compression spring 4.4.
In this embodiment, preferably, a receiving cavity 4.6 is disposed between the heat dissipation groove 3.4.2 and the mounting opening 1.1, a fastening member is disposed in the receiving cavity 4.6, the fastening member is fastened with the fastening portion 4.2 to seal the sealing strip 4.1 on the heat dissipation groove 3.4.2, the fastening member includes an annular plate 4.7, a horizontal plate 4.8 and an elastic member 4.9, the elastic member 4.9 is fixed at the bottom of the receiving cavity 4.6, the horizontal plate 4.8 is fixed at the upper end of the elastic member 4.9, the bottom of the annular plate 4.7 is fixed on the horizontal plate 4.8, the annular plate 4.7 is disposed around the mounting opening 1.1, the annular plate 4.7 extends out of the housing 1 and is provided with a pressing portion 4.7.1, and a side of the annular plate 4.7, which is close to the sealing strip 4.1, is provided with a fastening portion 4.7.2 which is matched with the fastening portion 4.2. The number of the sealing strips 4.1 is consistent with that of the radiating grooves 3.4.2, the annular plates 4.7 are provided with buckling parts 4.7.2, the number of the annular plates 4.7 is consistent with that of the mounting openings 1.1, namely, the opening and closing of a plurality of sealing strips 4.1 surrounding the mounting openings 1.1 can be controlled through one annular plate 4.7, when the pressing parts 4.7.1 are pressed down, the annular plates 4.7 move downwards to press the horizontal plates 4.8 and the elastic pieces 4.9, at the moment, the buckling parts 4.7.2 on the annular plates 4.7 are separated from the buckling parts, the sealing strips 4.1 leave the radiating grooves 3.4.2 under the action of the compression springs 4.4, then the pressing parts 4.7.1 are loosened, and the annular plates 4.7 recover to the original positions under the action of the elastic pieces 4.9, preferably, when the annular plates 4.7 recover to the original positions, the buckling parts 4.7.2 on the annular plates 4.7 are slightly higher than the plane of the shell 1, and the buckling parts 4.2 are matched with the buckling parts 4.2.2 when the annular plates 4.1 are pressed down.
In this embodiment, preferably, the temperature control mechanism is further included, and the temperature control mechanism includes: the temperature sensor is arranged on the battery assembly to detect the temperature of the lithium battery pack, the alarm and the temperature control device are connected with the temperature sensor, the alarm is connected with the driving unit, the driving unit is connected with the compressor 3.7, and the temperature control mechanism receives an output signal of the temperature sensor and has an alarm state and a normal state; in an alarm state, the alarm sounds an alarm, the driving unit drives the compressor 3.7 to start working, and the compressor 3.7 blows air flow towards the air inlet 3.6; in a normal state, the temperature control mechanism controls the alarm and the driving unit to stop working. The temperature of the lithium battery assembly 2 is measured through the temperature sensor, the measured temperature is input to the alarm and the temperature control unit, when the temperature exceeds the preset temperature, the alarm sounds, meanwhile, the temperature controller controls the driving unit to drive the compressor 3.7 to work, the compressor 3.7 blows air flow towards the air inlet 3.6, the air flow is output from the heat dissipation part 3.4 after passing through a clearance channel between the heat dissipation plate 3.1 and the inner side of the shell 1, heat dissipation is carried out on the lithium battery pack, when the temperature is lower than the preset temperature, the temperature controller controls the alarm to release the alarm, and meanwhile, the driving unit stops working, so that the automatic control of the temperature can be realized.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The lithium battery energy storage device comprises a shell, wherein a lithium battery assembly is arranged in the shell, at least one charging interface is arranged at the input end of the lithium battery assembly, at least one discharging interface is arranged at the output end of the lithium battery assembly, and two mounting ports for mounting the charging interface and the discharging interface are respectively arranged on the shell; it is characterized in that the method comprises the steps of,
The lithium battery charging device comprises a shell, an input end, an output end, a heat dissipation mechanism, a guide plate, a partition plate and a heat dissipation part, wherein the input end and the output end of the lithium battery assembly are respectively provided with the heat dissipation mechanism; the side part of the guide plate is connected with one end of the heat dissipation plate, which is close to the mounting opening, a plurality of vent holes are formed in the guide plate at intervals, and the heat dissipation part is arranged on the shell;
One end of the heat radiation plate, which is close to the charging interface or the discharging interface, is a free end, the other end of the heat radiation plate is a fixed end, the fixed end is fixed with the inner side wall of the shell through an annular sealing plate, and the distance between the heat radiation plate and the inner side wall of the shell is gradually increased in the direction from the fixed end to the free end;
an air inlet is formed in the fixed end of the shell, and a compressor is connected to the air inlet; the air inlet is communicated with a gap formed between the heat dissipation plate and the inner side wall of the shell, air flow is blown to the air inlet through the compressor, and the air flow is output from the heat dissipation part after passing through a gap channel between the heat dissipation plate and the inner side wall of the shell;
Still include control by temperature change mechanism, control by temperature change mechanism includes: the lithium battery pack comprises a battery assembly, a temperature sensor, an alarm, a driving unit and a temperature control mechanism, wherein the temperature sensor is arranged on the battery assembly to detect the temperature of the lithium battery pack, the alarm and the temperature control device are connected with the temperature sensor, the driving unit is connected with the compressor and the temperature control device, and the temperature control mechanism receives an output signal of the temperature sensor and has an alarm state and a normal state;
In the alarm state, the alarm sounds an alarm, and the driving unit drives the compressor to blow air flow to the air inlet;
in the normal state, the temperature control mechanism controls the alarm and the driving unit to stop working.
2. The lithium battery energy storage device according to claim 1, wherein a gap is provided between the annular sealing plates of the input and output ends of the lithium battery module.
3. The lithium battery energy storage device according to claim 1, wherein the heat dissipation portion includes heat dissipation holes and heat dissipation grooves, the heat dissipation holes being provided on both sides of the housing corresponding to the input end and the output end of the lithium battery module, the heat dissipation grooves being provided around the mounting opening.
4. A lithium battery energy storage device according to claim 3, wherein the side walls of the heat sink are inclined, and the area of the cross section of the heat sink increases gradually in a direction from the inner side wall to the outer side wall of the housing.
5. The lithium battery energy storage device according to claim 4, further comprising a sealing member arranged on the heat dissipation groove, wherein the sealing member comprises a sealing strip matched with the heat dissipation groove, one side edge of the sealing strip is rotatably connected to the heat dissipation groove, and the other side edge of the sealing strip is provided with a clamping part;
The sealing strip with the lateral wall of heat dissipation groove is provided with compression mechanism, compression mechanism includes boss, compression spring and elastic plate, the boss is fixed on the heat dissipation groove lateral wall, the elastic plate passes through compression spring to be connected the top of boss.
6. The lithium battery energy storage device according to claim 5, wherein a containing cavity is arranged between the heat dissipation groove and the mounting opening, a buckling piece is arranged in the containing cavity, and the buckling piece is buckled with the buckling part so as to seal the sealing strip on the heat dissipation groove.
7. The lithium battery energy storage device according to claim 6, wherein the fastening member comprises an annular plate, a horizontal plate and an elastic member, the elastic member is fixed at the bottom of the accommodating cavity, the horizontal plate is fixed at the upper end of the elastic member, the bottom of the annular plate is fixed on the horizontal plate, the annular plate is arranged around the mounting opening, the annular plate extends out of the housing and is provided with a pressing portion, and one side, close to the sealing strip, of the annular plate is provided with a fastening portion matched with the fastening portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711409182.8A CN108134022B (en) | 2017-12-22 | Lithium battery energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711409182.8A CN108134022B (en) | 2017-12-22 | Lithium battery energy storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108134022A CN108134022A (en) | 2018-06-08 |
| CN108134022B true CN108134022B (en) | 2024-06-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102484297A (en) * | 2009-08-20 | 2012-05-30 | 株式会社Lg化学 | Battery pack having a novel cooling structure |
| CN104584318A (en) * | 2012-09-19 | 2015-04-29 | 株式会社东芝 | Secondary battery device and secondary battery system |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102484297A (en) * | 2009-08-20 | 2012-05-30 | 株式会社Lg化学 | Battery pack having a novel cooling structure |
| CN104584318A (en) * | 2012-09-19 | 2015-04-29 | 株式会社东芝 | Secondary battery device and secondary battery system |
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