Energy storage system

Abstract

The utility model relates to the technical field of energy storage box bodies, and discloses an energy storage system, which comprises a basic electric box, a second electric box and a third electric box, the expansion electric box is detachably connected with the basic electric box; the expansion electric box comprises a second box body and a second box door; the two ends of the cable are electrically connected with the basic electric box and the expansion electric box respectively. A first wire passing groove is formed in the side, close to the second box door, of the first box door, a second wire passing groove is formed in the side, close to the first box door, of the second box door, the first wire passing groove communicates with the second wire passing groove, and a cable penetrates through the first wire passing groove and the second wire passing groove. According to the utility model, the cable is hidden in the energy storage system, so that the cable is prevented from being pulled by foreign objects, the risk that the energy storage system is pulled down is avoided, and the overall appearance of the energy storage system is more beautiful and neat; the basic electric box is detachably connected with the expansion electric box, the application performance of the energy storage system is improved, maintenance of the energy storage system is facilitated, and the troubleshooting workload is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage boxes, in particular to an energy storage system. Background Art

[0002] With energy supplies tightening and prices rising, energy storage systems are becoming increasingly popular. Most home energy storage systems consist of a stack of electrical control boxes and battery boxes. This type of system is popular because multiple battery boxes can be stacked to meet actual capacity requirements.

[0003] However, while existing stacked energy storage boxes' electrical connection methods can meet the circuit connectivity requirements of the upper and lower boxes, the numerous cables placed directly outside the battery boxes make the entire energy storage system look messy and unsightly. Furthermore, the exposed cables are easily pulled by foreign objects, causing the entire energy storage system to topple over, posing a safety hazard. Utility Model Content

[0004] In view of this, the present invention provides an energy storage system to solve the problem of cables being exposed outside the battery box, which poses a safety hazard.

[0005] In the first aspect, the utility model provides an energy storage system, including: a basic electrical box, the basic electrical box including a first box body and a first box door, and the first box door can be opened and closed; an expansion electrical box, the expansion electrical box is detachably connected to the basic electrical box, the expansion electrical box including a second box body and a second box door, and the second box door can be opened and closed; a cable, the two ends of the cable are electrically connected to the basic electrical box and the expansion electrical box respectively; a first wire passing groove is provided on the side of the first box door close to the second box door, and a second wire passing groove is provided on the side of the second box door close to the first box door, the first wire passing groove is connected to the second wire passing groove, and the cable is arranged to pass through the first wire passing groove and the second wire passing groove.

[0006] Beneficial effects: By passing the cables through the first and second cable troughs, the cables are hidden inside the energy storage system, preventing the cables from being pulled by foreign objects, avoiding the risk of the energy storage system being pulled down, and making the overall appearance of the energy storage system more beautiful and tidy; the basic electrical box and the expansion electrical box are detachably connected, which improves the applicability of the energy storage system, facilitates the maintenance of the energy storage system, and reduces the workload of troubleshooting.

[0007] In an optional embodiment, several expansion electrical boxes are provided, and the several expansion electrical boxes are stacked up one above the other in sequence. A third wire groove is provided on the side of the second box door away from the first box door, and the second wire groove of one expansion electrical box is connected to the third wire groove of another adjacent expansion electrical box.

[0008] Beneficial effect: By stacking several expansion boxes, the energy storage capacity of the energy storage system is increased and the applicability of the energy storage system is improved.

[0009] In an optional embodiment, the first box door is rotatably connected to the first box body via a door hinge; and / or the second box door is rotatably connected to the second box body via a door hinge.

[0010] In an optional embodiment, the door hinge includes a lock body and a connecting plate group, two lock bodies are provided, and the connecting plate group includes two rotatably connected connecting plates, one of the connecting plates is fixedly connected to one lock body, and the other connecting plate is slidably connected to the other lock body; when the door hinge is set on the basic electrical box, one of the lock bodies is connected to the first box body, and the other lock body is connected to the first box door; when the door hinge is set on the extended electrical box, one of the lock bodies is connected to the second box body, and the other lock body is connected to the second box door.

[0011] In an optional embodiment, a plurality of connecting sheet groups are provided, and the plurality of connecting sheet groups are stacked one above the other in sequence.

[0012] Beneficial effect: By providing a plurality of connecting piece groups, the rotation stability of the two lock bodies is improved.

[0013] In an optional embodiment, the first box body and the second box body are connected by a first boss and a first groove, the first boss is provided in one of the first box body and the second box body, and the first groove is provided in the other of the first box body and the second box body.

[0014] Beneficial effect: By providing the first boss and the first groove, the first box body and the second box body can be quickly installed.

[0015] In an optional embodiment, the first boss includes a first sub-boss and a second sub-boss, the first sub-boss and the second sub-boss have different sizes, the first groove includes a first sub-groove and a second sub-groove, the first sub-groove is set corresponding to the first sub-boss, and the second sub-boss is set corresponding to the second sub-groove.

[0016] Beneficial effect: The first sub-boss and the second sub-boss have different sizes, which realizes error-proof design, facilitates distinguishing the installation and connection directions of the first box body and the second box body, and facilitates the quick connection of the first box body and the second box body.

[0017] In an optional embodiment, the energy storage system further includes a base, which is connected to the expansion electrical box.

[0018] Beneficial effect: By setting up the base, it is easy to raise the basic electrical box and expand the electrical box, prevent the ground debris or liquid from contaminating the electrical box and prevent the occurrence of leakage.

[0019] In an optional embodiment, the second box and the base are plug-connected via a second boss and a second groove, the second boss is provided in one of the second box and the base, and the second groove is provided in the other of the second box and the base.

[0020] Beneficial effect: By providing the second boss and the second groove, the second box body and the base can be quickly installed.

[0021] In an optional embodiment, the energy storage system further includes a magnetic component; the magnetic component is arranged on the first box body and / or the first box door to fix the first box door to the first box body when the first box door is closed; and / or the magnetic component is arranged on the second box body and / or the second box door to fix the second box door to the second box body when the second box door is closed.

[0022] Beneficial effect: By providing a magnetic attraction part, when the first door and / or the second door are closed, it is ensured that the first door and / or the second door are tightly closed and will not open automatically. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 This is a schematic diagram of the overall structure of the energy storage system according to an embodiment of the present invention (with the door open);

[0025] Figure 2 This is a schematic diagram of the explosion structure of the energy storage system according to an embodiment of the utility model;

[0026] Figure 3 Another schematic diagram of the overall structure of the energy storage system according to an embodiment of the present utility model;

[0027] Figure 4 for Figure 3 A in the middle is an enlarged schematic diagram;

[0028] Figure 5 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0029] Figure 6 This is a schematic diagram of the overall structure of the door hinge according to an embodiment of the present utility model;

[0030] Figure 7 This is a partial exploded schematic diagram of the door hinge structure according to an embodiment of the present invention;

[0031] Figure 8 This is another overall structural diagram of the energy storage system according to an embodiment of the present utility model (with the door closed);

[0032] Description of reference numerals:

[0033] 10. Basic electrical box; 11. First box body; 111. First groove; 1111. First sub-groove; 1112. Second sub-groove; 112. Mounting groove; 12. First box door; 121. First wire duct; 13. Switch; 20. Expansion electrical box; 21. Second box body; 211. First boss; 2111. First sub-boss; 2112. Second sub-boss; 212. Second groove; 22. Second box door; 221. Second wire duct; 222. Third wire duct; 30. Cable; 40. Door hinge; 41. Lock body; 411. Sliding groove; 412. Threaded hole; 42. Connecting plate group; 421. Connecting plate; 43. First rotating shaft; 44. Second rotating shaft; 45. Fixed shaft; 50. Base; 51. Second boss; 60. Magnetic part; 70. Terminal. DETAILED DESCRIPTION

[0034] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0035] The following combination Figures 1 to 8 , describing the embodiments of the present utility model.

[0036] According to an embodiment of the present invention, on the one hand, an energy storage system is provided, comprising a basic electrical box 10, an expansion electrical box 20 and a cable 30. The basic electrical box 10 comprises a first box body 11 and a first box door 12, and the first box door 12 can be opened and closed; the expansion electrical box 20 is detachably connected to the basic electrical box 10, and the expansion electrical box 20 comprises a second box body 21 and a second box door 22, and the second box door 22 can be opened and closed; the two ends of the cable 30 are electrically connected to the basic electrical box 10 and the expansion electrical box 20 respectively; a first wire groove 121 is provided on a side of the first box door 12 close to the second box door 22, and a second wire groove 221 is provided on a side of the second box door 22 close to the first box door 12, the first wire groove 121 is connected to the second wire groove 221, and the cable 30 is arranged to pass through the first wire groove 121 and the second wire groove 221.

[0037] The energy storage system of this embodiment is applied, and the cable 30 is hidden inside the energy storage system by passing the cable 30 through the first wire trough 121 and the second wire trough 221, so as to prevent the cable 30 from being pulled by foreign objects, avoid the risk of the energy storage system being pulled down, and make the overall appearance of the energy storage system more beautiful and neat; the basic electrical box 10 and the expansion electrical box 20 are detachably connected, thereby improving the applicability of the energy storage system, facilitating the maintenance of the energy storage system, and reducing the workload of troubleshooting.

[0038] It should be noted that when the first door 12 is closed, the first door 12 and the first box body 11 form a first accommodating space; when the second door 22 is closed, the second door 22 and the second box body 21 form a second accommodating space; the second accommodating space is connected to the first accommodating space, and the cable 30 is located in the first accommodating space and the second accommodating space; the first wire trough 121 is connected to the first accommodating space, and the second wire trough 221 is connected to the second accommodating space.

[0039] For details, please refer to Figure 1 The energy storage system further includes terminals 70 , and each two terminals 70 are electrically connected to both ends of the cable 30 , respectively. One terminal 70 is disposed on the first box 11 , and the other terminal 70 is disposed on the second box 21 .

[0040] For details, please refer to Figure 1 In this embodiment, a total of eight terminals 70 are provided.

[0041] Of course, in other alternative implementations, the number of the terminals 70 may be selected according to actual conditions.

[0042] For further information, see Figure 1 The first box body 11 is provided with a mounting groove 112 , and the terminal 70 is installed in the mounting groove 112 .

[0043] For details, please refer to Figure 1The basic electrical box 10 further includes a switch 13, which is provided on the first box body 11. The switch 13 is provided to control the opening and closing of the energy storage system.

[0044] It is worth mentioning that the cable 30 passes through the first cable trough 121 and the second cable trough 221 to further hide the cable 30 .

[0045] In one embodiment, multiple expansion boxes 20 are provided, stacked one above the other. A third cable duct 222 is defined on the side of the second door 22 facing away from the first door 12. The second cable duct 221 of one expansion box 20 communicates with the third cable duct 222 of another adjacent expansion box 20. By stacking multiple expansion boxes 20, the energy storage capacity of the energy storage system is increased, thereby enhancing the system's applicability.

[0046] Specifically, the second wire passing groove 221 and the third wire passing groove 222 communicate with two adjacent second accommodating spaces.

[0047] In one embodiment, Figure 1 As shown, the first door 12 is rotatably connected to the first box body 11 through a door hinge 40; the second door 22 is rotatably connected to the second box body 21 through a door hinge 40.

[0048] Of course, in other alternative embodiments, the first door 12 may be rotatably connected to the first box body 11 only through the door hinge 40, and the second door 22 may be rotatably connected to the second box body 21 through other means, such as hinges.

[0049] Of course, in other alternative embodiments, the second door 22 may be rotatably connected to the second box body 21 only through the door hinge 40, and the first door 12 may be rotatably connected to the first box body 11 in other ways, such as hinges.

[0050] In one embodiment, Figure 6 and Figure 7 As shown, the door hinge 40 includes a lock body 41 and a connecting plate group 42, two lock bodies 41 are provided, and the connecting plate group 42 includes two rotatably connected connecting plates 421, one connecting plate 421 is fixedly connected to one lock body 41, and the other connecting plate 421 is slidably connected to the other lock body 41; when the door hinge 40 is set on the basic electrical box 10, one lock body 41 is connected to the first box body 11, and the other lock body 41 is connected to the first box door 12; when the door hinge 40 is set on the extended electrical box 20, one lock body 41 is connected to the second box body 21, and the other lock body 41 is connected to the second box door 22.

[0051] Specifically, the door hinge also includes a first rotating shaft 43, a second rotating shaft 44 and a fixed shaft 45. A sliding groove 411 is provided on the lock body 41. The second rotating shaft 44 is slidably arranged in the sliding groove 411. The connecting plate group 42 includes two connecting plates 421. The two connecting plates 421 are rotatably connected through the first rotating shaft 43. One of the connecting plates 421 is slidably connected to one lock body 41 through the second rotating shaft 44, and the other connecting plate 421 is fixed to the other lock body 41 through the fixed shaft 45.

[0052] In one embodiment, Figure 6 and Figure 7 As shown, there are a plurality of connecting plate groups 42, which are stacked one above the other. By providing a plurality of connecting plate groups 42, the rotation stability of the two lock bodies 41 is improved.

[0053] For details, please refer to Figure 6 In this embodiment, four connecting plate groups 42 are provided, and the four connecting plate groups 42 are stacked up and down.

[0054] For details, please refer to Figure 6 In this embodiment, the connection modes of the connecting pieces 421 in the four connecting piece groups 42 to the second rotating shaft 44 and the fixed shaft 45 are alternately changed. It should be noted that the connecting piece group 42 located at the top is defined as the first connecting piece group, the connecting piece group 42 located at the bottom is defined as the fourth connecting piece group, the lock body 41 on the left side of the figure is defined as the first lock body, and the lock body 41 on the right side of the figure is defined as the second lock body.

[0055] Furthermore, the connecting piece 421 on the left side of the first connecting piece group and the connecting piece 421 on the left side of the third connecting piece group are slidingly connected to the first lock body through the second rotating shaft 44, the connecting piece 421 on the right side of the first connecting piece group and the connecting piece 421 on the right side of the third connecting piece group are fixed to the second lock body through the fixed shaft 45, the connecting piece 421 on the left side of the second connecting piece group and the connecting piece 421 on the left side of the fourth connecting piece group are fixed to the first lock body through the fixed shaft 45, and the connecting piece 421 on the right side of the second connecting piece group and the connecting piece 421 on the right side of the fourth connecting piece group are slidingly connected to the second lock body through the second rotating shaft 44.

[0056] Of course, in other alternative embodiments, the connecting plate groups 42 may also be provided in other quantities, such as two, three, etc.

[0057] In one embodiment, Figure 6 As shown, a threaded hole 412 is provided on the lock body 41, and the lock body 41 is fastened to the box body or the door by bolts.

[0058] In one embodiment, Figure 3 and Figure 4As shown, the first housing 11 and the second housing 21 are connected by a first boss 211 and a first groove 111. The first boss 211 is provided on one of the first housing 11 and the second housing 21, and the first groove 111 is provided on the other of the first housing 11 and the second housing 21. The first boss 211 and the first groove 111 facilitate quick installation of the first housing 11 and the second housing 21.

[0059] For details, please refer to Figure 4 The first boss 211 is disposed on the second box body 21 , and the first groove 111 is disposed on the first box body 11 .

[0060] Of course, in other alternative embodiments, the first boss 211 may also be provided on the first box body 11 , and correspondingly, the first groove 111 may be provided on the second box body 21 .

[0061] In one embodiment, Figure 3 and Figure 4 As shown, the first boss 211 includes a first sub-boss 2111 and a second sub-boss 2112. The first sub-boss 2111 and the second sub-boss 2112 are of different sizes. The first groove 111 includes a first sub-groove 1111 and a second sub-groove 1112. The first sub-groove 1111 is provided corresponding to the first sub-boss 2111, and the second sub-boss 2112 is provided corresponding to the second sub-groove 1112. The different sizes of the first sub-boss 2111 and the second sub-boss 2112 implement an error-proof design, making it easier to distinguish the installation and connection direction of the first and second housings 11 and 21, and facilitating quick connection of the first and second housings 11 and 21.

[0062] In one embodiment, Figures 1 to 3 As shown, the energy storage system further includes a base 50, which is connected to the expansion box 20. By providing the base 50, the basic box 10 and the expansion box 20 are raised to prevent ground debris or liquid from contaminating the box and preventing leakage.

[0063] In one embodiment, Figure 3 and 5 As shown, the second box body 21 and the base 50 are plugged together by the second boss 51 and the second groove 212. The second boss 51 is provided on one of the second box body 21 and the base 50, and the second groove 212 is provided on the other of the second box body 21 and the base 50. The second boss 51 and the second groove 212 facilitate quick installation of the second box body 21 and the base 50.

[0064] For details, please refer to Figure 5 The second boss 51 is disposed on the base 50 , and the second groove 212 is disposed on the second box body 21 .

[0065] Of course, in other alternative embodiments, the second boss 51 may also be provided on the box body, and correspondingly, the second groove 212 may be provided on the base 50 .

[0066] It should be noted that the second boss 51 and the second groove 212 may also be designed to prevent errors, so as to facilitate the quick connection between the second box body 21 and the base 50 .

[0067] In one embodiment, Figure 1 As shown, the energy storage system further includes a magnetic member 60, which is disposed on the first housing 11 and the first door 12 to secure the first door 12 to the first housing 11 when the first door 12 is closed. The magnetic member 60 is also disposed on the second housing 21 and the second door 22 to secure the second door 22 to the second housing 21 when the second door 22 is closed. The magnetic member 60 ensures that the first door 12, 22 is tightly closed and does not open automatically when the first door 12, 22 is closed.

[0068] Specifically, the magnetic member 60 is installed by screws.

[0069] For details, please refer to Figure 1 In this embodiment, there are four magnetic components 60, which are respectively arranged on the first box body 11, the first box door 12, the second box body 21 and the second box door 22. The magnetic component 60 on the first box body 11 is arranged correspondingly to the magnetic component 60 on the first box door 12, and the magnetic component 60 on the second box body 21 is arranged correspondingly to the magnetic component 60 on the second box door 22.

[0070] Furthermore, the magnetic member 60 is a magnet, and the magnetic member 60 of the first box body 11 and the magnetic member 60 of the first box door 12 have opposite magnetic properties, and the magnetic member 60 of the second box body 21 and the magnetic member 60 of the second box door 22 have opposite magnetic properties.

[0071] Of course, in other alternative embodiments, the magnetic component 60 can be provided only on the first box body 11 and the first door 12, and the second box body 21 and the second door 22 can be fixed in other ways; or the magnetic component 60 can be provided only on the second box body 21 and the second door 22, and the first box body 11 and the first door 12 can be fixed in other ways.

[0072] Of course, in other alternative embodiments, the magnetic component 60 can be provided only on the first box body 11, and the first box door 12 is an iron box door, or the magnetic component 60 can be provided only on the first box door 12, and the first box body 11 is an iron box body; the magnetic component 60 can also be provided only on the second box body 21, and the second box door 22 is an iron box door, or the magnetic component 60 can be provided only on the second box door 22, and the second box body 21 is an iron box body.

[0073] Of course, the number of magnetic elements 60 can be adjusted according to actual conditions to adjust the magnetic attraction strength.

[0074] When installing the energy storage system of this embodiment, first, install the internal parts of the first box body 11 and the second box body 21; then, install the door hinge 40 and the magnetic part 60 to the corresponding holes of the first box body 11 and the second box body 21, and lock the screws; then, install the first box door 12 and the second box door 22 to the corresponding holes of the door hinge 40; install the base 50 to the extended electrical box 20 through the second boss 51 and the second groove 212; finally, stack the basic electrical box 10 and the extended electrical box 20 through the first boss 211 and the first groove 111, and connect the terminal 70 of the basic electrical box 10 and the extended electrical box 20 with the cable 30.

[0075] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations shall fall within the scope defined by the appended claims.

Claims

1. An energy storage system, characterized in that: include: A basic electrical box (10), the basic electrical box (10) comprising a first box body (11) and a first box door (12), wherein the first box door (12) can be opened and closed; An expansion electrical box (20), wherein the expansion electrical box (20) is detachably connected to the basic electrical box (10), and the expansion electrical box (20) comprises a second box body (21) and a second box door (22), and the second box door (22) can be opened and closed; A cable (30), wherein both ends of the cable (30) are electrically connected to the basic electrical box (10) and the expansion electrical box (20) respectively; A first wire groove (121) is provided on a side of the first door (12) close to the second door (22), and a second wire groove (221) is provided on a side of the second door (22) close to the first door (12). The first wire groove (121) is communicated with the second wire groove (221), and the cable (30) is arranged to pass through the first wire groove (121) and the second wire groove (221).

2. The energy storage system according to claim 1, characterized in that There are a plurality of expansion electrical boxes (20), and the plurality of expansion electrical boxes (20) are stacked up and down in sequence. A third wire groove (222) is provided on the side of the second box door (22) away from the first box door (12). The second wire groove (221) of one expansion electrical box (20) is connected to the third wire groove (222) of another adjacent expansion electrical box (20).

3. The energy storage system according to claim 1 or 2, characterized in that: The first box door (12) is rotatably connected to the first box body (11) via a door hinge (40); and / or, The second box door (22) is rotatably connected to the second box body (21) via a door hinge (40).

4. The energy storage system according to claim 3, characterized in that The door hinge (40) comprises a lock body (41) and a connecting piece group (42), wherein two lock bodies (41) are provided, and the connecting piece group (42) comprises two rotatably connected connecting pieces (421), wherein one connecting piece (421) is fixedly connected to one lock body (41), and the other connecting piece (421) is slidably connected to the other lock body (41); When the door hinge (40) is arranged on the basic electrical box (10), one of the lock bodies (41) is connected to the first box body (11), and the other lock body (41) is connected to the first box door (12); When the door hinge (40) is arranged on the expansion electrical box (20), one of the lock bodies (41) is connected to the second box body (21), and the other lock body (41) is connected to the second box door (22).

5. The energy storage system according to claim 4, characterized in that: A plurality of the connecting sheet groups (42) are provided, and the plurality of connecting sheet groups (42) are stacked up and down in sequence.

6. The energy storage system according to claim 1 or 2, characterized in that: The first box body (11) and the second box body (21) are plug-connected via a first boss (211) and a first groove (111), wherein the first boss (211) is provided on one of the first box body (11) and the second box body (21), and the first groove (111) is provided on the other of the first box body (11) and the second box body (21).

7. The energy storage system according to claim 6, characterized in that: The first boss (211) includes a first sub-boss (2111) and a second sub-boss (2112), and the first sub-boss (2111) and the second sub-boss (2112) have different sizes. The first groove (111) includes a first sub-groove (1111) and a second sub-groove (1112), and the first sub-groove (1111) is arranged corresponding to the first sub-boss (2111), and the second sub-boss (2112) is arranged corresponding to the second sub-groove (1112).

8. The energy storage system according to claim 1 or 2, characterized in that: The energy storage system further comprises a base (50), and the base (50) is connected to the expansion electrical box (20).

9. The energy storage system according to claim 8, characterized in that: The second box body (21) and the base (50) are plug-connected via a second boss (51) and a second groove (212); the second boss (51) is provided on one of the second box body (21) and the base (50); and the second groove (212) is provided on the other of the second box body (21) and the base (50).

10. The energy storage system according to claim 1 or 2, characterized in that: The energy storage system further includes a magnetic attraction member (60); The magnetic member (60) is provided on the first box body (11) and / or the first box door (12) so as to fix the first box door (12) to the first box body (11) when the first box door (12) is closed; and / or, The magnetic attraction member (60) is arranged on the second box body (21) and / or the second box door (22) so as to fix the second box door (22) to the second box body (21) when the second box door (22) is closed.

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