CN213988991U - Energy storage and heat management system for modular household lithium battery - Google Patents
Energy storage and heat management system for modular household lithium battery Download PDFInfo
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- CN213988991U CN213988991U CN202023226833.XU CN202023226833U CN213988991U CN 213988991 U CN213988991 U CN 213988991U CN 202023226833 U CN202023226833 U CN 202023226833U CN 213988991 U CN213988991 U CN 213988991U
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- 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
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a modular household lithium battery energy storage and heat management system, which comprises a control box, at least one battery box and a base which are sequentially superposed from top to bottom, wherein a heat dissipation assembly and a fan are arranged in each battery box; when the temperature of the battery pack in the battery box is too high, the control device in the battery box controls the fan to operate, external cold air enters the heat dissipation assembly, heat transferred out of the battery box is taken away through the heat dissipation assembly, and the heat is discharged through the fan via the connecting air channel. The utility model discloses a when the product casing external design heat radiation structure is used at the modularization family, satisfies high protection level, promoted product radiating efficiency, enlarged the environment operating mode that the product is suitable for, improved life-span, performance, and the product reliability of product.
Description
Technical Field
The utility model relates to a household is with energy storage technical field, in particular to lithium cell energy storage heat management system is used at modularization family.
Background
In recent years, many families have installed energy storage products for lithium battery users due to reasons such as high peak electricity prices, popularization of clean energy, large-scale power failure caused by natural disasters or overhigh loads, and power grid regulation needs of some countries.
The existing lithium battery household energy storage products are mainly divided into an outdoor type and an indoor type according to different protection grades. Because the requirement on the protection grade of the indoor product is low, the cooling of the battery cell can be realized by adopting a mode of taking away the heat near the battery cell in the product by a fan. However, considering that lithium batteries have certain safety risks, general users tend to be placed outdoors, and outdoor products generally require IP54 or higher protection level due to the severe working conditions of the use environment.
At present, the existing heat dissipation design is that the heat accumulated by heating the electric core in the battery box is extracted by opening a hole in the shell of the battery box through a fan, and an air inlet and a fan hole of the outdoor high-protection-level battery box can not be opened. This has led to the fact that current outdoor installation user all does not design initiative heat dissipation with energy storage product, only can pass through the shell natural heat dissipation. The heat dissipation efficiency of the heat dissipation mode is poor, so that the product can only run at low power, and certain influence can be caused on the product performance, the service life, the customer experience and the like.
Therefore, the existing household energy storage related product design cannot be compatible with the active heat dissipation and the outdoor high-protection-level battery box.
In view of the above, those skilled in the art have devised a modular household energy storage and thermal management system for lithium batteries, in order to overcome the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a lithium cell energy storage heat management system is used at modularization family in order to overcome the defect that the relevant product of energy storage is used at the family in the prior art all can't compatible initiative heat dissipation simultaneously and the outdoor high protection level battery box of using.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a modular household lithium battery energy storage and heat management system is characterized by comprising a control box, at least one battery box and a base which are sequentially stacked from top to bottom, wherein a heat dissipation assembly and a fan are arranged in each battery box, a connecting air channel is arranged in each battery box, the fan is arranged at an air outlet of the connecting air channel, the heat dissipation assembly is arranged at the bottom of each battery box, one end of the heat dissipation assembly is communicated with the outside, and the other end of the heat dissipation assembly is communicated with the connecting air channel;
when the temperature of the battery pack in the battery box is too high, the control device in the battery box controls the fan to operate, external cold air enters the heat dissipation assembly, the heat transferred from the battery box is taken away by the heat dissipation assembly, and the heat is discharged by the fan through the connecting air channel.
According to an embodiment of the present invention, the heat dissipation system for the modular household lithium battery further comprises heating modules, wherein the heating modules are installed on two side walls of the battery box;
when the temperature of the battery pack in the battery box is too low, the control device in the battery box controls the heating module to start, so that the battery pack is heated.
According to the utility model discloses an embodiment, the fan is installed the below of the one end lateral part of battery box, connect the wind channel and be located the fan with between the radiator unit.
According to the utility model discloses an embodiment, the bottom of battery box is provided with a heat dissipation wind channel, radiator unit installs in the heat dissipation wind channel, the air intake and the outside intercommunication in heat dissipation wind channel, the air outlet in heat dissipation wind channel with the air intake intercommunication in connection wind channel.
According to the utility model discloses an embodiment, the bottom internal face of connecting the wind channel sets up to follow air intake to air outlet downward sloping.
According to the utility model discloses an embodiment, the top internal face of connecting the wind channel sets up to follow air intake to air outlet tilt up.
According to an embodiment of the present invention, the heat dissipation assembly is a heat dissipation grid, and the heat dissipation grid is a straight-through structure longitudinally penetrating through the battery box;
the heat dissipation grid is composed of a battery box bottom plate, a plurality of heat dissipation fins and a heat dissipation grid lower plate, and the heat dissipation air channel is formed between the battery box bottom plate and the heat dissipation grid lower plate.
According to an embodiment of the present invention, an inwardly concave cavity is disposed below a side portion of one end of the battery box, and the cavity is connected to an air outlet of the connecting air duct;
the fan is installed in the cavity, a water outlet is formed in the inner wall surface of the cavity, and the water outlet is located below the fan.
According to the utility model discloses an embodiment, the module that generates heat includes the fixed plate, generates heat piece and heat insulating board, the fixed plate is installed form fixed slot on the lateral wall of battery box, the piece that generates heat is installed in the fixed slot, be close to the fixed plate side, the heat insulating board is installed in the fixed slot, be close to the lateral wall of battery box.
According to the utility model discloses an embodiment, each the top of battery box is provided with the pencil connector, each still be provided with the control panel in the battery box, power supply control pencil in the control box passes through pencil connector and each control panel in the battery box is connected, control panel control with the fan is connected.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses lithium battery energy storage heat management system is used at modularization family is through the product casing external design heat radiation structure is used at the modularization family, when satisfying high protection level, and to a great extent has promoted product radiating efficiency, has enlarged the environment operating mode that the product is suitable for, has improved life-span, performance and the product reliability of product simultaneously.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout, and in which:
fig. 1 is a perspective view of the energy storage and heat management system for the lithium battery for the modular user.
Fig. 2 is the utility model discloses the decomposition schematic diagram of lithium battery energy storage thermal management system is used at modularization family.
Fig. 3 is an exploded schematic view of a battery box in the energy storage and heat management system of the lithium battery for the modular user.
Fig. 4 is a top view of the battery box in the energy storage and heat management system of the lithium battery for the modular user.
Fig. 5 is a cross-sectional view taken along line a-a of fig. 4.
Fig. 6 is a front view of a battery box in the energy storage and heat management system of a lithium battery for a modular user.
Fig. 7 is a cross-sectional view taken along line B-B in fig. 6.
[ reference numerals ]
Heat sink assembly 40
Connecting duct 21
Heat dissipation air duct 70
Battery box bottom plate 24
Heat sink 41
Fixing slot 64
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the described device or element must have a specific installation and operation orientation, and therefore, should not be construed as limiting the present invention.
Fig. 1 is a perspective view of the energy storage and heat management system for the lithium battery for the modular user. Fig. 2 is the utility model discloses the decomposition schematic diagram of lithium battery energy storage thermal management system is used at modularization family.
Fig. 3 is an exploded schematic view of a battery box in the energy storage and heat management system of the lithium battery for the modular user. Fig. 4 is a top view of the battery box in the energy storage and heat management system of the lithium battery for the modular user. Fig. 5 is a cross-sectional view taken along line a-a of fig. 4. Fig. 6 is a front view of a battery box in the energy storage and heat management system of a lithium battery for a modular user. Fig. 7 is a cross-sectional view taken along line B-B in fig. 6.
As shown in fig. 1 to 7, the utility model discloses a lithium battery energy storage thermal management system is used at modularization family, it includes control box 10, at least one battery box 20 and the base 30 of superpose in proper order from top to bottom, be provided with radiator unit 40 and fan 50 in each battery box 20, be provided with a connection wind channel 21 in battery box 20, install fan 50 in the air outlet 211 department of connecting wind channel 21, radiator unit 40 installs in the bottom of battery box 20, and radiator unit 40's one end and outside intercommunication, the other end with connect wind channel 21 intercommunication. When the temperature of the battery assembly 22 in the battery box 20 is too high, the control device in the battery box 20 controls the fan 50 to operate, and outside cold air enters the heat dissipation assembly 40, carries away heat transferred from the battery box 20 through the heat dissipation assembly 40, and is exhausted through the fan 50 via the connecting air duct 21.
Preferably, the heat dissipation system for the modular household lithium battery further includes heat generating modules 60, and the heat generating modules 60 are mounted on two side walls of the battery box 20. When the temperature of the battery assembly 22 in the battery box 20 is too low, the control device in the battery box 20 controls the heating module 60 to start, so as to heat the battery assembly 22.
As shown in fig. 3 to 5, the fan 50 is installed below one end side of the battery case 20, and the connecting duct 21 is located between the fan 50 and the heat dissipation assembly 40. Preferably, a concave cavity 23 is disposed below one end side of the battery box 20, and the cavity 23 is connected to the air outlet 211 of the connecting air duct 21. The fan 50 is installed in the cavity 23, a water outlet 231 is opened on an inner wall surface of the cavity 23, and the water outlet 231 is located below the fan 50.
A heat dissipation air duct 70 is disposed at the bottom of the battery box 20, the heat dissipation assembly 40 is installed in the heat dissipation air duct 70, an air inlet 71 of the heat dissipation air duct 70 is communicated with the outside, and an air outlet 72 of the heat dissipation air duct 70 is communicated with an air inlet 212 of the connection air duct 21.
Preferably, the inner wall surface of the bottom portion of the connecting air duct 21 is arranged to be inclined downward along the air inlet 212 to the air outlet 211. The inner wall surface of the top of the connecting duct 21 is inclined upward from the air inlet 212 to the air outlet 211.
As shown in fig. 5, the heat dissipation member 40 is preferably a heat dissipation grid having a straight structure longitudinally penetrating through the battery case 20. The heat dissipation grid is composed of a battery box bottom plate 24, a plurality of heat dissipation fins 41 and a heat dissipation grid lower plate 42, and a heat dissipation air duct 70 is formed between the battery box bottom plate 24 and the heat dissipation grid lower plate 42.
Of course, the structure of the heat dissipating module 40 is merely a preferable example, and the heat dissipating module of this structure is in direct contact with the bottom 23 of the battery box where the battery modules 22 are arranged, so that the heat conduction efficiency can be improved, the heat of the battery modules 22 can be effectively conducted out, and then the heat can be transferred by external cold air. The heat dissipation assembly 40 can have various forms, which can be adopted in the principle of the present invention, and is within the protection scope of the present invention.
As shown in fig. 3, the heat generating module 60 includes a fixing plate 61, a heat generating sheet 62 and a heat insulating plate 63, the fixing plate 61 is mounted on the sidewall of the battery box 20 to form a fixing slot 64, the heat generating sheet 62 is mounted in the fixing slot 64 near the fixing plate 61, the heat insulating plate 63 is mounted in the fixing slot 64 near the sidewall of the battery box 20, and the control board 26 in each battery box 20 controls power supply and start and stop.
Of course, the structure of the heat generating module 60 is only a preferable example, and the heat generating module 60 may also adopt other structures to achieve the purpose of heating the battery assembly 22 in the battery box 20. For example, the fixing plate 61, the heat generating sheet 62 and the heat insulating plate 63 of the heat generating module 60 are fixed to be integrated or integrally molded, and the heat generating sheet 62 is interposed between the fixing plate 61 and the heat insulating plate 63 and is mounted as a whole in the battery case 20. These structures can all reach the purpose of the utility model, all are in the protection scope of the utility model.
In addition, a harness connector 25 is arranged on the top of each battery box 20, a control board 26 is also arranged in each battery box 20, the power supply control harness in the control box 10 is connected with the control board 26 in each battery box 20 through the harness connector 25, and the control board 26 is connected with the fan 50 in a control mode.
According to above-mentioned structural description, further specifically speaking, the utility model discloses lithium cell energy storage thermal management system is used at modularization family comprises radiator unit, fan and the module that generates heat. The heat dissipation assembly 40 is preferably a heat dissipation grid, which is disposed below the battery box 20, and the air outlet is communicated with the air inlet of the connecting air duct 21, and is composed of a battery box bottom plate 24, a heat dissipation fin 41, and a heat dissipation grid lower plate 42. The connecting air duct 21 is located between the heat dissipation grid and the fan 50, the air inlet is communicated with the air outlet of the heat dissipation grid, the fan 50 is installed at the air outlet, the power supply and the start and stop of the fan 50 are controlled by the control board 26 in each battery box 20, the longitudinal cross-sectional area of the connecting air duct 21 is gradually increased from the air inlet side to the air outlet side, a certain downward inclination angle 213 is designed on one side of the connecting air duct 21 located at the fan 50, and a water outlet 231 is reserved below the fan 50.
The utility model discloses the lithium cell energy storage thermal management system is used at modularization family is located each independent battery box, including radiator unit, the module two parts that generate heat. The heat dissipation component is preferably a heat dissipation grid, is positioned below each battery box, consists of a battery box bottom plate, a plurality of heat dissipation fins and a heat dissipation grid lower plate, and is used for transferring heat conducted by the batteries to the battery box bottom plate to each heat dissipation fin and then rapidly taking away the heat by air flowing through the heat dissipation grid.
The connecting air duct 21 is located between the heat dissipation grid and the fan 50 and used for guiding heat in the heat dissipation grid to the fan 50, a certain downward inclination angle 213 is designed on one side of the connecting air duct 21 located at the fan 50, and a water outlet 231 is reserved below the fan 50 and used for discharging condensed water in the air duct in time, so that corrosion of the condensed water accumulation on a product and influence on the insulation and pressure resistance design of the product are avoided.
Here, the fan 50 is preferably a waterproof heat dissipation fan with high protection level, and is installed at the air outlet of the battery box 20, the power supply control harness thereof is connected with the control board 26 in the battery box 20 through a waterproof terminal, and the control board 26 controls the fan 50 according to the temperature condition detected by the temperature sensor on the surface of the battery.
The heating module 60 comprises three parts of a fixing slot 64, a heating sheet 62 and a heat insulation plate 63, wherein the fixing slot 64 is a groove structure consisting of two parts of a battery box side plate and a fixing plate 61 at the inner side of the side plate and is used for installing the heating sheet 62 and the heat insulation plate 63. The heating plate 62 can be inserted into the fixing slot 64 close to the fixing plate 61 according to the actual working condition. The control board 26 in each battery box 20 controls the power supply according to the temperature condition detected by the temperature sensor on the surface of the battery, and the battery is heated under the low-temperature working condition. The heat insulating plate 63 is inserted into the fixing slot 64 near the side plate of the battery case 20 while inserting the heat generating sheet 62, for reducing the heat loss of the heat generating sheet by diffusion to the outside. The heating module 60 and the heat dissipation grid are respectively designed as different panels from those of the battery box, so that the influence between the heat dissipation design and the heating design can be avoided.
According to the structure, the utility model discloses lithium cell energy storage heat management system is used at modularization family's theory of operation specifically is:
when the temperature sensor on the surface of the battery detects that the temperature of the battery assembly 22 is high, the fan 50 is controlled to be turned on corresponding to the control board 26 in the battery box 20, external cold air enters the heat dissipation grid (i.e., the heat dissipation assembly 40) below the box body, heat transferred from the battery assembly 22 is taken away through the heat dissipation grid, and is exhausted through the fan 50 via the connecting air duct 21.
When the temperature sensor on the surface of the battery assembly 22 detects that the temperature of the battery assembly is low, the control board 26 in the battery box 20 controls the heating sheet 62 to be opened, so as to heat the battery assembly 22.
Therefore, the utility model discloses lithium battery energy storage thermal management system is used at modularization family has following a great deal of advantages:
the utility model discloses an external design of thermal management system, when the product casing external design heat radiation structure is used at the modularization family, satisfies high protection level, very big degree has promoted the product radiating efficiency, has enlarged the environment operating mode that the product is suitable for, has improved life-span, performance and the product reliability of product simultaneously.
Two, the utility model discloses a design heating module in the battery box makes the lithium cell energy storage heat management system can be based on the in-service use operating mode apolegamy function of generating heat at the modularization family, has expanded the product application area scope.
Thirdly, the utility model discloses a there is certain downward inclination and outlet structure in the design of connecting wind channel fan one side, makes the comdenstion water in the main air duct in time discharge, avoids the comdenstion water accumulation to cause the corruption and to cause the influence to the withstand voltage design of product to the product.
Four, the utility model discloses design the fan in every battery box to by battery box according to its temperature condition independent control, avoided product overall control to appear the problem of the difference in temperature between the battery box easily, and then improved the whole battery uniformity of product.
To sum up, the utility model discloses lithium cell energy storage heat management system is used at modularization family satisfies high protection level when product casing external design heat radiation structure is used at the modularization family, and to a great extent has promoted the product radiating efficiency, has enlarged the environment operating mode that the product is suitable for, has improved life-span, performance and the product reliability of product simultaneously.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (10)
1. The modular household lithium battery energy storage and heat management system is characterized by comprising a control box, at least one battery box and a base which are sequentially stacked from top to bottom, wherein a heat dissipation assembly and a fan are arranged in each battery box, a connecting air channel is arranged in each battery box, the fan is arranged at an air outlet of the connecting air channel, the heat dissipation assembly is arranged at the bottom of each battery box, one end of the heat dissipation assembly is communicated with the outside, and the other end of the heat dissipation assembly is communicated with the connecting air channel;
when the temperature of the battery pack in the battery box is too high, the control device in the battery box controls the fan to operate, external cold air enters the heat dissipation assembly, the heat transferred from the battery box is taken away by the heat dissipation assembly, and the heat is discharged by the fan through the connecting air channel.
2. The energy storage and heat management system for the modular user lithium battery as claimed in claim 1, wherein the heat dissipation system for the modular user lithium battery further comprises heat generating modules, and the heat generating modules are mounted on two side walls of the battery box;
when the temperature of the battery pack in the battery box is too low, the control device in the battery box controls the heating module to start, so that the battery pack is heated.
3. The energy storage and thermal management system for the modular user lithium battery as claimed in claim 1, wherein the fan is installed below one end side of the battery box, and the connecting air duct is located between the fan and the heat dissipation assembly.
4. The energy storage and heat management system for the modular user lithium battery as recited in claim 3, wherein a heat dissipation air duct is disposed at the bottom of the battery box, the heat dissipation assembly is installed in the heat dissipation air duct, an air inlet of the heat dissipation air duct is communicated with the outside, and an air outlet of the heat dissipation air duct is communicated with an air inlet of the connection air duct.
5. The energy storage and heat management system for the modular user lithium battery as recited in claim 4, wherein the inner wall surface of the bottom of the connecting air duct is arranged to be inclined downwards from the air inlet to the air outlet.
6. The energy storage and heat management system for the modular user lithium battery as recited in claim 5, wherein an inner wall surface of a top of the connecting air duct is arranged to be inclined upward from the air inlet to the air outlet.
7. The energy storage and thermal management system for the modular household lithium battery as claimed in claim 4, wherein the heat dissipation assembly is a heat dissipation grid, and the heat dissipation grid is a straight-through structure which longitudinally penetrates through the battery box;
the heat dissipation grid is composed of a battery box bottom plate, a plurality of heat dissipation fins and a heat dissipation grid lower plate, and the heat dissipation air channel is formed between the battery box bottom plate and the heat dissipation grid lower plate.
8. The energy storage and heat management system for the modular household lithium battery as claimed in claim 4, wherein an inward-concave cavity is arranged below the side part at one end of the battery box, and the cavity is connected with the air outlet of the connecting air duct;
the fan is installed in the cavity, a water outlet is formed in the inner wall surface of the cavity, and the water outlet is located below the fan.
9. The energy storage and thermal management system for the modular household lithium battery as claimed in claim 2, wherein the heat generating module comprises a fixing plate, a heat generating sheet and a heat insulating plate, the fixing plate is mounted on the side wall of the battery box to form a fixing slot, the heat generating sheet is mounted in the fixing slot close to the side wall of the fixing plate, and the heat insulating plate is mounted in the fixing slot close to the side wall of the battery box.
10. The energy storage and heat management system for the modular household lithium batteries according to any one of claims 1 to 9, wherein a wiring harness connector is arranged at the top of each battery box, a control board is further arranged in each battery box, a power supply control wiring harness in the control box is connected with the control board in each battery box through the wiring harness connector, and the control board is connected with the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226833.XU CN213988991U (en) | 2020-12-28 | 2020-12-28 | Energy storage and heat management system for modular household lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226833.XU CN213988991U (en) | 2020-12-28 | 2020-12-28 | Energy storage and heat management system for modular household lithium battery |
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| CN213988991U true CN213988991U (en) | 2021-08-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809433A (en) * | 2021-09-13 | 2021-12-17 | 中国电力科学研究院有限公司 | Battery heat dissipation structure, battery cluster heat dissipation structure, heat dissipation system and heat dissipation method |
| CN114725572A (en) * | 2022-05-19 | 2022-07-08 | 骆驼能源科技有限公司 | Power supply system |
| CN114865799A (en) * | 2022-06-06 | 2022-08-05 | 江苏富士特电气技术有限公司 | Modularization industry and commerce energy memory |
-
2020
- 2020-12-28 CN CN202023226833.XU patent/CN213988991U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809433A (en) * | 2021-09-13 | 2021-12-17 | 中国电力科学研究院有限公司 | Battery heat dissipation structure, battery cluster heat dissipation structure, heat dissipation system and heat dissipation method |
| CN114725572A (en) * | 2022-05-19 | 2022-07-08 | 骆驼能源科技有限公司 | Power supply system |
| CN114865799A (en) * | 2022-06-06 | 2022-08-05 | 江苏富士特电气技术有限公司 | Modularization industry and commerce energy memory |
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