Household energy storage equipment and system with intelligent heat dissipation function

Abstract

The invention belongs to the technical field of battery energy storage equipment, and particularly relates to intelligent heat dissipation household energy storage equipment and system. The present invention comprises: a housing; a top heat dissipation channel, a bottom heat dissipation channel and a pair of side heat dissipation channels are arranged in the shell. The battery modules are connected to the battery rack, the battery rack is fixed in the shell, a cooling fin of a hollow structure is arranged between every two adjacent battery modules, and the cooling fins are attached to the battery modules; the heat dissipation mechanism is used for dissipating heat of the battery module; the heat dissipation mechanism comprises an air pump and a pair of air bags, the air bags are arranged on the two sides of the battery module respectively, and the air pump is connected with the air bags through first air pipes; according to the heat dissipation mechanism, the air pump and the air bag are arranged, primary heat dissipation and secondary heat dissipation of the battery module can be started through cooperation of the air pump and the air bag, heat of the battery is dissipated very quickly, and the problem that heat dissipation is slow when the battery works is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of battery energy storage devices, and in particular to a household energy storage device and system with intelligent heat dissipation. Background Art

[0002] The energy storage battery module is a device for storing and releasing electrical energy. It is composed of multiple battery cells. These cells can be different types of batteries, such as lithium-ion batteries, lead-acid batteries, nickel-metal hydride batteries, lithium polymer batteries, etc. These cells can be connected in series or in parallel to provide the required voltage and capacity, store and release electrical energy, and provide a stable and reliable power supply. It can be used for backup in units, companies or homes.

[0003] The energy storage battery module will emit a large amount of heat during the storage and release process. The internal space of the energy storage device is small and the heat dissipation efficiency is low. The existing heat dissipation method usually uses a fan to drive the flow of air to dissipate heat. However, the existing battery modules are in contact with each other and the heat cannot be dissipated. This heat accumulates in various places in the energy storage device for a long time, causing the battery temperature to rise and resulting in a reduction in the battery life. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a household energy storage device and system with intelligent heat dissipation, which can dissipate battery heat by providing a heat sink with a hollow structure between adjacent battery modules, aiming to solve the problems in the background technology.

[0005] In order to achieve the above technical objectives, the specific technical scheme of the present invention is as follows: a household energy storage device with intelligent heat dissipation proposed by the present invention comprises: a shell; a top heat dissipation channel, a bottom heat dissipation channel and a pair of side heat dissipation channels are respectively arranged in the shell; a battery module, the battery module is connected to a battery rack, the battery rack is fixed in the shell, and a heat sink with a hollow structure is arranged between adjacent battery modules, and the heat sink is fitted with the battery module; a heat dissipation mechanism, which is used to dissipate heat from the battery module; the heat dissipation mechanism comprises an air pump and an air bag, a pair of air bags are provided and are respectively arranged on both sides of the battery module, and the air pump is connected to the air bag through a first air pipe.

[0006] As a preferred technical solution of the present invention, a shell is fixedly connected below the heat sink, and the shell and the airbag are connected through a second air pipe; wherein the first air pipe is connected to a first solenoid valve, and the second air pipe is connected to a second solenoid valve.

[0007] As a preferred technical solution of the present invention, the top of the heat sink is provided with a top heat dissipation hole connected to the top heat dissipation channel, the two sides of the heat sink are provided with side heat dissipation holes connected to the side heat dissipation channel, and the lower surface of the shell is provided with bottom heat dissipation holes connected to the bottom heat dissipation channel; wherein, a plurality of through holes are provided on both sides of the heat sink that contact the battery module.

[0008] As a preferred technical solution of the present invention, the shell includes a bottom plate, a top plate, a front plate and two movable side plates; wherein the air pump is installed on the front plate, and the airbag will drive the side plates to move outward after being inflated. As a preferred technical solution of the present invention, a sealing plate is fixedly connected to the inner side of the top plate, and the sealing plate is arranged between the top heat dissipation channel and the side heat dissipation channel.

[0009] As a preferred technical solution of the present invention, the top plate is fixedly connected to the bracket, the bracket is fixedly connected to the sliding rod, the sliding rod is slidably connected to the side plate, a cylindrical spring is connected to the surface of the sliding rod, and the bottom plate is provided with a sliding rail slidably connected to the side plate.

[0010] As a preferred technical solution of the present invention, the top plate is fixedly connected to the first back plate, the first back plate is fixedly connected to the bottom plate, a second back plate matching the first back plate is provided at one end of the side plate, and a filter is installed on the first back plate.

[0011] As a preferred technical solution of the present invention, a pair of limit frames are symmetrically fixedly connected to the battery rack for fixing the battery module. A center hole is provided on the surface of the battery rack, and a support plate is fixedly connected under the battery rack, and the support plate is fixedly connected to the bottom plate.

[0012] A household energy storage system with intelligent heat dissipation includes: a central control module and a temperature detection module, wherein four temperature detection modules are provided and are respectively arranged in a top heat dissipation channel, a bottom heat dissipation channel and two side heat dissipation channels; the central control module is electrically connected to an air pump, a first solenoid valve, a second solenoid valve and the temperature detection module.

[0013] The beneficial effects of the present invention are:

[0014] 1. The present invention is provided with a top heat dissipation channel, a bottom heat dissipation channel and a pair of side heat dissipation channels in the shell, which can dissipate heat from the top, side and bottom surfaces of the battery module respectively, avoiding air turbulence, and a heat sink with a hollow structure is provided between adjacent battery modules to further improve the heat dissipation effect of the battery module.

[0015] 2. The heat dissipation mechanism of the present invention is provided with an air pump and an airbag. The inflation of the airbag will drive the two side panels to move outward, thereby opening the outer shell, increasing the flow rate of the airflow inside and outside the outer shell, achieving the first-level heat dissipation of the battery module, and after the airbag is inflated, the first solenoid valve and the second solenoid valve are closed, and the air pump is turned off, thereby solving the noise problem during heat dissipation.

[0016] 3. When the air pump of the present invention continues to work, the first solenoid valve and the second solenoid valve are opened, and air is continuously inflated into the heat sink through the airbag. The flow of air in the heat sink will take away the heat of the battery module, and the heat will flow to the top heat dissipation channel, the bottom heat dissipation channel and the side heat dissipation channel respectively, avoiding air turbulence in the outer shell and achieving secondary heat dissipation of the battery module. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a household energy storage device with intelligent heat dissipation proposed by the present invention.

[0018] Figure 2 This is a schematic structural diagram from another angle of a household energy storage device with intelligent heat dissipation proposed by the present invention.

[0019] Figure 3 It is a cross-sectional schematic diagram of the present invention.

[0020] Figure 4 for Figure 1 A partial enlarged view of point A in the middle.

[0021] Figure 5 This is a schematic diagram of the heat dissipation mechanism and battery module proposed in the present invention.

[0022] Figure 6 This is a schematic diagram of the structure of the heat sink proposed by the present invention.

[0023] Figure 7 This is a schematic diagram of the heat sink proposed by the present invention from another angle.

[0024] Figure 8 This is a schematic structural diagram of the battery rack proposed in the present invention.

[0025] In the figure: 1. shell; 101. top plate; 102. side plate; 103. bottom plate; 104. front plate; 105. first back plate; 106. second back plate; 107. filter; 2. battery module; 3. heat dissipation mechanism; 301. air pump; 302. air bag; 303. first air pipe; 304. first solenoid valve; 4. battery rack; 401. middle hole; 402. limit rack; 403. support plate; 5. heat sink; 501. through hole; 502. top heat dissipation hole; 503. side heat dissipation hole; 504. shell; 505. second air pipe; 506. second solenoid valve; 507. bottom heat dissipation hole; 6. side heat dissipation channel; 7. top heat dissipation channel; 8. bottom heat dissipation channel; 9. temperature detection module; 10. central control module; 11. bracket; 12. slide bar; 13. cylindrical spring; 14. slide rail; 15. sealing plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] Embodiment: This embodiment discloses a household energy storage device with intelligent heat dissipation, such as Figure 1-Figure 8 As shown, it includes: a shell 1; a top heat dissipation channel 7, a bottom heat dissipation channel 8 and a pair of side heat dissipation channels 6 are respectively provided in the shell 1, which are respectively used to dissipate heat from the upper surface, the bottom surface, and the two side surfaces of the battery module 2, so as to achieve the effect of comprehensive heat dissipation of the battery, the battery module 2, the battery module 2 is provided with a plurality of neatly arranged battery modules 2, the battery module 2 is connected to the battery rack 4, and the battery rack 4 is fixed in the shell 1; a heat dissipation mechanism 3 is used to dissipate heat from the battery module 2.

[0028] The housing 1 includes a bottom plate 103, a top plate 101, a front plate 104 and two movable side plates 102. The side plates 102 will separate from the top plate 101 after movement, forming a heat dissipation gap between the two to increase airflow. A sealing plate 15 is fixedly connected to the inner side of the top plate 101. The sealing plate 15 is arranged between the top heat dissipation channel 7 and the side heat dissipation channel 6 to separate the two. A first back plate 105 is fixedly connected to the top plate 101, and the first back plate 105 is fixedly connected to the bottom plate 103. One end of the side plate 102 is provided with a first back plate 105 that cooperates with the first back plate 105. There are two back plates 106, and a filter 107 is installed on the first back plate 105 to prevent dust from entering; when the shell 1 is in the open state, the heat in the top heat dissipation channel 7 is dissipated through the gap between the first back plate 105 and the second back plate 106; the heat in the side heat dissipation channel 6 is dissipated through the gap between the side plate 102 and the top plate 101; the heat in the bottom heat dissipation channel 8 is dissipated through the gap between the first back plate 105 and the second back plate 106; thereby, the heat of each heat dissipation channel is dissipated through different gaps, thereby avoiding air turbulence in the shell 1.

[0029] like Figure 4 As shown, a bracket 11 is fixedly connected to the top plate 101, and a plurality of brackets 11 are provided. The bracket 11 is fixedly connected to a slide rod 12, and the slide rod 12 is slidably connected to the side plate 102. A cylindrical spring 13 is connected to the surface of the slide rod 12. A slide rail 14 is slidably connected to the side plate 102 on the bottom plate 103. The side plate 102 contacts the top plate 101 under the elastic force of the cylindrical spring 13.

[0030] like Figure 5As shown, the heat dissipation mechanism 3 includes an air pump 301 and an airbag 302. The air pump 301 is used to inflate air into the airbag 302. A pair of airbags 302 are provided and are respectively arranged on both sides of the battery module 2, wherein the air pump 301 is installed on the front plate 104. After the airbag 302 is inflated, it will drive the side plate 102 to move outward, so that the side plate 102 is separated from the top plate 101, and the first back plate 105 is separated from the second back plate 106, so that the air inside and outside the shell 1 can circulate. The air pump 301 is connected to the airbag 302 through the first air pipe 303, and the first air pipe 303 is connected to the first solenoid valve 304; when the airbag 302 is inflated, the shell 1 is opened, and the air inside and outside the shell 1 can flow. At this time, it is in the first-level heat dissipation state, and the airbag 302 is kept in a saturated state. Then the first solenoid valve 304, the second solenoid valve 506 and the air pump 301 can be closed to avoid noise problems.

[0031] like Figure 6-Figure 7 As shown, a heat sink 5 with a hollow structure is provided between adjacent battery modules 2, the heat sink 5 is fitted with the battery module 2, and a shell 504 is fixedly connected below the heat sink 5, the shell 504 is connected to the airbag 302 through a second air pipe 505, the gas in the airbag 302 can enter the shell 504 through the second air pipe 505, and then enter the heat sink 5 to take away the heat from the surface of the battery module 2; wherein, a second solenoid valve 506 is connected to the second air pipe 505; a top heat dissipation hole 502 connected to the top heat dissipation channel 7 is provided on the top of the heat sink 5, the heat in the heat sink 5 enters the top heat dissipation channel 7 through the top heat dissipation hole 502, side heat dissipation holes 503 connected to the side heat dissipation channel 6 are provided on both sides of the heat sink 5, the heat in the heat sink 5 enters the side heat dissipation channel 6 through the side heat dissipation holes 503, and the shell 504 is fixedly connected to the airbag 302. The surface is provided with a bottom heat dissipation hole 507 connected to the bottom heat dissipation channel 8; the heat in the heat sink 5 enters the bottom heat dissipation channel 8 through the bottom heat dissipation hole 507, so that the heat in the heat sink 5 is evenly dispersed to each heat dissipation channel, wherein the two sides of the heat sink 5 in contact with the battery module 2 are provided with a plurality of through holes 501, and the heat of the battery module 2 enters the heat sink 5 through the through holes 501; when the first-level heat dissipation cannot meet the demand, the first solenoid valve 304, the second solenoid valve 506 and the air pump 301 are started at this time, and the gas in the airbag 302 enters the heat sink 5 through the second air pipe 505, and the gas takes away the heat in the heat sink 5 and flows to the top heat dissipation channel 7, the side heat dissipation channel 6 and the bottom heat dissipation channel 8 respectively, so that the heat is evenly dispersed to each heat dissipation channel, and the heat between adjacent battery modules 2 is extremely quickly dissipated.

[0032] like Figure 8As shown, a pair of limit frames 402 are symmetrically fixedly connected to the battery rack 4 for fixing the battery module 2. The limit frames 402 are U-shaped structures. The battery module 2 is placed in the two limit frames 402. A middle hole 401 is provided on the surface of the battery rack 4 so that the lower surface of the battery module 2 contacts the bottom heat dissipation channel 8. A support plate 403 is fixedly connected below the battery rack 4. The support plate 403 is fixedly connected to the bottom plate 103 so that a bottom heat dissipation channel 8 can be formed between the battery rack 4 and the bottom plate 103.

[0033] During specific implementation: when the battery module 2 is working, it is necessary to dissipate heat for the battery module 2, start the first level of heat dissipation, and inflate the airbag 302 through the air pump 301. When the airbag 302 is saturated, it will drive the side plate 102 to move outward, separate the side plate 102 from the top plate 101, separate the first back plate 105 from the second back plate 106, and then open the shell 1 to allow the air in the top heat dissipation channel 7, the bottom heat dissipation channel 8 and the side heat dissipation channel 6 to circulate. After the airbag 302 is inflated, the air pump 301, the first solenoid valve 304, and the second solenoid valve 506 can be closed to avoid noise problems. When the first level If the heat dissipation cannot meet the heat dissipation requirements, the secondary heat dissipation is started, and the air pump 301, the first solenoid valve 304, and the second solenoid valve 506 are all started. The gas in the airbag 302 enters the heat sink 5 through the second air pipe 505. The gas takes away the heat in the heat sink 5 and flows to the top heat dissipation channel 7, the side heat dissipation channel 6 and the bottom heat dissipation channel 8 respectively, so that the heat is evenly dispersed in each heat dissipation channel, and the heat between adjacent battery modules 2 is quickly dissipated, so that the top, bottom, sides and adjacent surfaces of the battery module 2 are all cooled, so as to achieve comprehensive heat dissipation and improve the heat dissipation efficiency.

[0034] The present embodiment also discloses a household energy storage system with intelligent heat dissipation, which is based on the above energy storage device and includes: a central control module 10 and a temperature detection module 9, wherein four temperature detection modules 9 are provided and are respectively arranged in the top heat dissipation channel 7, the bottom heat dissipation channel 8 and the two side heat dissipation channels 6; the central control module 10 is electrically connected to the air pump 301, the first solenoid valve 304, the second solenoid valve 506 and the temperature detection module 9, and the central control module 10 is used to control the operation of each electrical appliance; the temperature detection module 9 can use a temperature sensor, and the temperature detection module 9 sends a temperature signal to the central control module 10. When the temperature signal sent by any temperature detection module 9 is higher than the specified temperature, the heat dissipation mechanism 3 will be started to operate; two specified temperatures T1 and T2 of the battery module 2 can be set by the central control module 10, wherein T1 is less than T2, and when the central control module 10 receives a temperature signal higher than T1, the first-level heat dissipation can be started; when the central control module 10 receives a high temperature signal at T2, the second-level heat dissipation can be started.

[0035] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A household energy storage device with intelligent heat dissipation, characterized in that: include: Housing (1); The housing (1) is provided with a top heat dissipation channel (7), a bottom heat dissipation channel (8) and a pair of side heat dissipation channels (6); A battery module (2), the battery module (2) being connected to a battery rack (4), the battery rack (4) being fixed in the housing (1), and a heat sink (5) with a hollow structure being provided between adjacent battery modules (2), the heat sink (5) being in close contact with the battery module (2); A heat dissipation mechanism (3) for dissipating heat from the battery module (2); The heat dissipation mechanism (3) comprises an air pump (301) and an air bag (302); a pair of air bags (302) are provided and are respectively arranged on both sides of the battery module (2); the air pump (301) is connected to the air bag (302) via a first air pipe (303).

2. A household energy storage device with intelligent heat dissipation according to claim 1, characterized in that: A shell (504) is fixedly connected below the heat sink (5), and the shell (504) is connected to the airbag (302) via a second air pipe (505); wherein the first air pipe (303) is connected to a first solenoid valve (304), and the second air pipe (505) is connected to a second solenoid valve (506).

3. A household energy storage device with intelligent heat dissipation according to claim 2, characterized in that: The top of the heat sink (5) is provided with a top heat dissipation hole (502) connected to the top heat dissipation channel (7), the two side surfaces of the heat sink (5) are provided with side heat dissipation holes (503) connected to the side heat dissipation channels (6), and the lower surface of the shell (504) is provided with bottom heat dissipation holes (507) connected to the bottom heat dissipation channels (8); wherein, the two sides of the heat sink (5) in contact with the battery module (2) are both provided with a plurality of through holes (501).

4. A household energy storage device with intelligent heat dissipation according to claim 3, characterized in that: The housing (1) comprises a bottom plate (103), a top plate (101), a front plate (104), and two movable side plates (102); wherein the air pump (301) is mounted on the front plate (104), and when the airbag is inflated, it drives the side plates (102) to move outward.

5. A household energy storage device with intelligent heat dissipation according to claim 4, characterized in that: A sealing plate (15) is fixedly connected to the inner side of the top plate (101), and the sealing plate (15) is arranged between the top heat dissipation channel (7) and the side heat dissipation channel (6).

6. A household energy storage device with intelligent heat dissipation according to claim 5, characterized in that: The top plate (101) is fixedly connected to a bracket (11), the bracket (11) is fixedly connected to a sliding rod (12), the sliding rod (12) is slidably connected to the side plate (102), a cylindrical spring (13) is connected to the surface of the sliding rod (12), and a sliding rail (14) is provided on the bottom plate (103) and is slidably connected to the side plate (102).

7. A household energy storage device with intelligent heat dissipation according to claim 6, characterized in that: The top plate (101) is fixedly connected to a first back plate (105), the first back plate (105) is fixedly connected to the bottom plate (103), one end of the side plate (102) is provided with a second back plate (106) that matches the first back plate (105), and a filter screen (107) is installed on the first back plate (105).

8. The household energy storage device with intelligent heat dissipation according to claim 7, characterized in that: A pair of limit frames (402) are symmetrically fixedly connected to the battery rack (4) for fixing the battery module (2); a center hole (401) is provided on the surface of the battery rack (4); a support plate (403) is fixedly connected below the battery rack (4); and the support plate (403) is fixedly connected to the bottom plate (103).

9. A household energy storage system with intelligent heat dissipation, comprising a household energy storage device with intelligent heat dissipation as claimed in claim 8, characterized in that: Also includes: A central control module (10) and a temperature detection module (9), wherein four temperature detection modules (9) are provided and are respectively arranged in a top heat dissipation channel (7), a bottom heat dissipation channel (8) and two side heat dissipation channels (6); The central control module (10) is electrically connected to the air pump (301), the first solenoid valve (304), the second solenoid valve (506) and the temperature detection module (9).

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