A quick-change battery unit and energy storage integrated system

Abstract

The present invention discloses a quick-change battery unit and an integrated energy storage system, and relates to the field of energy storage systems. The quick-change battery unit includes a battery pack, a front panel, a docking panel, and a fixed lock assembly. The battery pack is configured with at least two lock positions, and the interlocking structure is configured with a locking position. During assembly, the front panel and the docking panel can be relatively locked and fixed by the locking positions on the interlocking structure corresponding to the lock positions on the battery pack; during disassembly, the front panel and the docking panel can be disassembled by unlocking and separating the locking positions on the interlocking structure and the lock positions on the battery pack; the front panel and the docking panel are used as the connection basis of a pair of connectors, and the combination of the two can form a complete pair of connectors, and the two can be separated to simultaneously separate the pair of connectors, thereby enabling the connectors to be quickly connected and separated. The present invention has a simple structural design, and the connectors can be easily installed and disassembled during the connection stage, which is convenient for maintenance and has high disassembly efficiency.

Description

Technical Field

[0001] The present invention relates to the field of energy storage systems, and in particular to a quick-change battery unit and an energy storage integrated system. Background Art

[0002] With the transformation of the global energy structure, the development of new energy has received increasing attention, and the new energy industry has become one of the important pillar industries of the economy. Among them, container energy storage system, as a new type of energy storage equipment, plays an increasingly important role in the new energy industry with its advantages.

[0003] As a comprehensive integrated energy storage device that can integrate energy storage equipment, battery management system (BMS), monitoring system, etc., the energy storage box is gradually widely used in photovoltaic, wind power and other fields, and has become a key device to promote the consumption of new energy and improve the efficiency of power grid operation. In order to ensure the safe and stable operation of the energy storage box and maintain the reliable working conditions of the battery module, it is usually equipped with power guidance, fire protection, cooling, air conditioning and ventilation structures.

[0004] At present, the existing energy storage integration method is complicated to install. After the battery pack is inserted into the container, it is necessary to manually connect the high-voltage, low-voltage, fire-fighting, and water-cooling systems. Its structural design is complex, the connection phase is time-consuming and labor-intensive, the installation and disassembly are cumbersome, maintenance is difficult, and the efficiency is low. Summary of the invention

[0005] In order to solve the technical problems raised by the above background technology, the present invention provides a quick-change battery unit, comprising:

[0006] A battery pack having at least two locking positions;

[0007] A front panel, fixedly connected to the end surface side of the battery pack;

[0008] A docking panel, arranged on a side of the front panel away from the battery pack, wherein at least one pair of connectors are provided in combination on the front panel and the docking panel;

[0009] And a fixed lock component, the fixed lock component includes a fixed plate and an interlocking structure, the fixed plate is fixedly configured with the docking panel, the interlocking structure is installed on the fixed plate, and a locking position is constructed on the interlocking structure, and the locking position is correspondingly arranged with the locking port position; the interlocking structure has a first state in which the locking position and the locking port position are locked in a limited position to relatively fix the front panel and the connector on the docking panel, and a second state in which the locking position and the locking port position are unlocked and disengaged to separate the front panel from the connector on the docking panel.

[0010] As a preferred technical solution, the interlocking structure includes a sliding lock block and a sliding elastic member, the sliding lock block and the fixed plate are slidingly connected, and the locking position is arranged on the end face of the sliding lock block facing the locking position; one end of the sliding elastic member is connected to the sliding lock block, and the other end of the sliding elastic member is connected to the fixed plate, and the sliding elastic member is suitable for causing the sliding lock block to slide away from the fixed plate so that the locking position is close to the locking position that limits the locking position.

[0011] As a preferred technical solution, the interlocking structure also includes an adjusting rod and a locking elastic member, the adjusting rod is rotatably connected to the fixed plate, the sliding lock block is provided with a stop position, the adjusting rod has an unlocking end and a locking end, the rotation axis of the adjusting rod is arranged between the unlocking end and the locking end, the unlocking end is fixedly connected to one end of the locking elastic member, and the other end of the locking elastic member is connected to the fixed plate, and the locking elastic member is suitable for acting on the unlocking end to move away from the fixed plate so that the locking end can move toward the sliding lock block to enter the stop position and relatively lock the locking position and the locking position.

[0012] As a preferred technical solution, an assembly groove is provided in the fixed plate, the assembly groove extends toward the locking position, and the sliding lock block is slidably configured in the assembly groove; a connecting groove is recessed on the wall surface of the fixed plate, and the connecting groove is isolated from the assembly groove; a through groove is penetrated on the wall surface of the fixed plate, the through groove is connected to the assembly groove, and the through groove is arranged on the rotation path of the locking end; and / or

[0013] The stop position is configured as a slot body, and the locking end is configured as a triangular buckle, and the triangular buckle is buckled with the slot body.

[0014] As a preferred technical solution, the adjusting rod comprises a first rod body and a second rod body, a rotation position is arranged between the first rod body and the second rod body to be rotatably connected with the fixing plate, the unlocking end is arranged at the end of the first rod body away from the rotation position, the locking end is arranged at the end of the second rod body away from the rotation position, and the extension direction of the first rod body and the extension direction of the second rod body are arranged at a first angle; and / or

[0015] The adjusting rod and the fixing plate are provided with an electromagnetic control valve assembly to electrically control the locking end of the adjusting rod to move toward the stop position.

[0016] As a preferred technical solution, the fixed lock assembly also includes a feedback module, which includes a displacement and pressure sensor, a status indicator light and a wire. The detection end of the displacement and pressure sensor is arranged at the locking position, the displacement and pressure sensor is installed in the sliding lock block, the status indicator light is installed on the fixed plate, and the displacement and pressure sensor is electrically connected to the status indicator light through the wire.

[0017] As a preferred technical solution, two interlocking structures are provided, and the two interlocking structures are symmetrically arranged on the fixing plate; and / or

[0018] In the locking position and the locking position, one of them is set as a locking protrusion, and the other is set as a locking groove; transition curve surfaces are respectively provided on the wall surfaces of the locking protrusion and the locking groove, so that the locking position can slide relatively close to or away from the locking position; and / or

[0019] At least one first guide post is disposed on the end surface of the front panel facing the docking panel, and at least one second guide post is disposed on the end surface of the docking panel facing the front panel. The first guide post and the second guide post are correspondingly plugged and embedded.

[0020] As a preferred technical solution, the connector is configured as at least one of a high-low pressure connector, an explosion-proof valve, a fire connector, and a waterway connector; and / or

[0021] The battery pack comprises a battery module and a connecting plate, and a plurality of the battery modules are fixedly arranged on the connecting plate; and / or

[0022] The battery pack includes a battery management system, and the battery management system is mounted on the end surface of the front panel facing the battery pack.

[0023] The present invention also provides an energy storage integrated system, comprising a plurality of the above-mentioned quick-change battery units.

[0024] As a preferred technical solution, the energy storage integrated system also includes a box door and a container, the box door and the container are rotatably connected, and a plurality of support beams, liquid cooling pipes, fire protection pipes, low-voltage communication lines and high-voltage connecting lines are provided in the container. The plurality of support beams are arranged in rows, and an energy storage bin is provided between two adjacent rows of support beams. The energy storage bin is installed with a plurality of stacked quick-change battery units, and the battery pack in any quick-change battery unit is configured with a water pipe respectively connected to the liquid cooling pipe and the fire protection pipe, and the high and low voltage connectors of any quick-change battery unit are respectively electrically connected to the low-voltage communication line and the high-voltage connecting line.

[0025] The technical solution provided by the present invention has the following advantages:

[0026] 1. The quick-change battery unit provided by the present invention comprises a battery pack, a front panel, a docking panel and a fixed lock assembly, wherein at least two lock positions are constructed on the battery pack, the front panel is fixedly connected to the end face side of the battery pack, the docking panel is arranged on the side of the front panel away from the battery pack, and at least one pair of connectors are combined and arranged on the front panel and the docking panel; the fixed lock assembly comprises a fixed plate and an interlocking structure, the fixed plate and the docking panel are fixedly configured, the interlocking structure is mounted on the fixed plate, a locking position is constructed on the interlocking structure, and the locking position and the lock position are arranged correspondingly; the interlocking structure has a first state in which the locking position and the lock position are locked in a limited manner to relatively fix the connector on the front panel and the docking panel, and a second state in which the locking position and the lock position are unlocked and disengaged to separate the connector on the front panel and the docking panel.

[0027] The quick-change battery unit of this structure fixes the battery pack to the front panel, and the fixed lock assembly includes a fixing plate and an interlocking structure, which fixes the fixing plate to the docking panel; when assembling the overall quick-change battery unit, the front panel and the docking panel can be relatively locked and fixed by the locking position on the interlocking structure corresponding to the locking position on the battery pack; or when disassembling the overall quick-change battery unit, the front panel and the docking panel can be disassembled by unlocking and separating the locking position on the interlocking structure from the locking position on the battery pack; with this arrangement, the front panel and the docking panel are used as the connection basis of a pair of connectors, and the combination of the two can form a complete pair of connectors, and the separation of the two can simultaneously separate the pair of connectors, thereby enabling rapid connection and separation of the connectors; the structural design of the present invention is simple, the connectors can be easily installed and disassembled during the connection phase, maintenance is convenient, and the disassembly efficiency is high.

[0028] 2. The quick-change battery unit provided by the present invention has an interlocking structure including a sliding lock block and a sliding elastic member. The sliding lock block and the fixed plate are slidably connected to each other, and the locking position is arranged on the end face of the sliding lock block facing the locking position; one end of the sliding elastic member is connected to the sliding lock block, and the other end of the sliding elastic member is connected to the fixed plate. The sliding elastic member is suitable for causing the sliding lock block to slide away from the fixed plate so that the locking position is close to the limit lock position.

[0029] In the quick-change battery unit of this structure, the sliding elastic member provides an elastic force to the sliding lock block, so that the locking position on the sliding lock block automatically moves toward the locking position to relatively limit and lock the entire fixed lock assembly and the battery pack; the sliding lock block and the sliding elastic member slide smoothly on the fixed plate, so that the locking position on the sliding lock block can be smoothly switched to the movement toward the locking position or away from the locking position.

[0030] 3. The quick-change battery unit provided by the present invention, the interlocking structure also includes an adjusting rod and a locking elastic member, the adjusting rod is rotatably connected to the fixed plate, a stop position is provided on the sliding lock block, the adjusting rod has an unlocking end and a locking end, the rotation axis of the adjusting rod is arranged between the unlocking end and the locking end, the unlocking end is fixedly connected to one end of the locking elastic member, the other end of the locking elastic member is connected to the fixed plate, and the locking elastic member is suitable for acting on the unlocking end to move away from the fixed plate so that the locking end can move toward the sliding lock block to enter the stop position relative to the locking position and the lock position.

[0031] In the quick-change battery unit of this structure, during the locking stage, the locking elastic member elastically acts to position the unlocking end away from the fixed plate, so that the locking end is connected to the stop position, ensuring that the locking position on the sliding lock block is fixed to the locking position of the lock mouth position; during operation, the unlocking action is specifically implemented by the adjusting rod, specifically, the unlocking end can be acted to compress the locking elastic member, and the unlocking end moves toward the fixed plate, so that the locking end rotates out of the stop position, so that the sliding lock block and the sliding elastic member can slide relative to the fixed plate, so that when an external force acts to separate the battery pack and the fixed lock assembly, the locking position of the sliding lock block is prompted to slide to avoid the lock mouth position, thereby realizing structural separation.

[0032] 4. The quick-change battery unit provided by the present invention, the fixed lock assembly also includes a feedback module, the feedback module includes a displacement and pressure sensor, a status indicator light and a wire, the detection end of the displacement and pressure sensor is set in the locking position, the displacement and pressure sensor is installed in the sliding lock block, the status indicator light is installed on the fixed plate, and the displacement and pressure sensor is electrically connected to the status indicator light through the wire.

[0033] The quick-change battery unit of this structure is equipped with displacement and pressure sensors at the locking position, which can detect the position and contact status of the sliding lock block and send corresponding signals to the status indicator. When the sliding lock block is not in contact with foreign objects, the sensor has no pressure signal; when the battery pack is in the installation and fixed state, the pressure sensor has a pressure signal; then the corresponding distance signal fed back by the sensor is used to know the status of the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the specific implementation methods of the present invention 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 A schematic diagram of the structure of a quick-change battery unit provided by the present invention;

[0036] Figure 2A schematic diagram of the partial structure of the quick-change battery unit provided by the present invention;

[0037] Figure 3 A schematic diagram of the structure of a battery pack and a front panel in a quick-change battery unit provided by the present invention;

[0038] Figure 4 A schematic diagram of the connection between the battery pack and the front panel in the quick-change battery unit provided by the present invention;

[0039] Figure 5 A schematic diagram of the structure of the front panel in the quick-change battery unit provided by the present invention;

[0040] Figure 6 A schematic diagram of the structure of a docking panel in a quick-change battery unit provided by the present invention;

[0041] Figure 7 A schematic diagram of the connection between the locking position and the locking opening position in the quick-change battery unit provided by the present invention;

[0042] Figure 8 A schematic diagram of the structure of a fixed lock assembly in a quick-change battery unit provided by the present invention;

[0043] Fig. 9 A partial schematic diagram of a fixed lock assembly in a quick-change battery unit provided by the present invention;

[0044] Fig.10 A schematic diagram of the connection between the sliding lock block and the sliding elastic member in the quick-change battery unit provided by the present invention;

[0045] Fig.11 A schematic diagram of the structure of an adjustment rod in a quick-change battery unit provided by the present invention;

[0046] Fig.12 A schematic diagram of the locking of the interlocking structure in the quick-change battery unit provided by the present invention in a first state;

[0047] Fig.13 A schematic diagram of unlocking the interlocking structure in the quick-change battery unit provided by the present invention in the second state;

[0048] Fig.14 A schematic diagram of the movable range of the sliding lock block after the interlocking structure in the quick-change battery unit provided by the present invention is unlocked;

[0049] Fig.15 A partial schematic diagram of a fixing plate in a quick-change battery unit provided by the present invention;

[0050] Fig.16 A schematic diagram of the structure of the energy storage integrated system provided by the present invention;

[0051] Fig.17A schematic diagram of the main structure of the energy storage integrated system provided by the present invention;

[0052] Fig.18 A schematic diagram of the internal structure of the energy storage integrated system provided by the present invention;

[0053] Description of reference numerals:

[0054] 1-battery pack; 11-locking position; 12-battery module; 13-connection plate; 14-high and low voltage internal connectors; 15-battery management system; 16-water pipeline;

[0055] 2-front panel; 21-high and low pressure first connector; 22-explosion-proof valve; 23-waterway first connector; 24-fire protection first connector; 25-first guide column;

[0056] 3- docking panel; 31- high and low pressure second connector; 32- explosion-proof valve connection hole; 33- waterway second connector; 34- fire protection second connector; 35- second guide column;

[0057] 4-fixed lock assembly; 41-fixed plate; 411-assembly slot; 412-through slot; 413-connecting slot; 42-sliding lock block; 421-locking position; 422-stop position; 423-connecting column; 43-sliding elastic member; 44-adjusting rod; 441-unlocking end; 442-locking end; 443-rotation position; 444-first rod body; 445-second rod body; 45-locking elastic member; 46-displacement and pressure sensor; 47-status indicator light; 48-wire;

[0058] 5-door; 6-container; 61-support beam; 62-liquid cooling pipe; 63-fire fighting pipe; 64-low-voltage communication line; 65-high-voltage connecting line. DETAILED DESCRIPTION

[0059] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0060] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel schemes, taking "A and / or B" as an example, including scheme A, or scheme B, or schemes that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0061] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Example 1

[0063] like Figures 1 to 15 As shown, the present embodiment provides a quick-change battery unit, including a battery pack 1, a front panel 2, a docking panel 3 and a fixed lock assembly 4, the battery pack 1 is constructed with at least two lock positions 11, the front panel 2 is fixedly connected to the end face side of the battery pack 1, the docking panel 3 is arranged on the side of the front panel 2 away from the battery pack 1, and at least one pair of connectors are combined on the front panel 2 and the docking panel 3; the fixed lock assembly 4 includes a fixed plate 41 and an interlocking structure, the fixed plate 41 is fixedly configured with the docking panel 3, the interlocking structure is installed on the fixed plate 41, and a locking position 421 is constructed on the interlocking structure, and the locking position 421 is arranged corresponding to the lock position 11.

[0064] In this embodiment, the interlocking structure has a first state in which the locking position 421 and the locking position 11 are limitedly locked to relatively fix the connector on the front panel 2 and the docking panel 3, and a second state in which the locking position 421 and the locking position 11 are unlocked and disengaged to separate the connector on the front panel 2 and the docking panel 3.

[0065] By fixing the battery pack 1 to the front panel 2, the fixed lock assembly 4 includes a fixing plate 41 and an interlocking structure, and the fixing plate 41 is fixed to the docking panel 3; when assembling the overall quick-change battery unit, the front panel 2 and the docking panel 3 can be relatively locked and fixed by correspondingly limiting the locking position 421 on the interlocking structure and the locking position 11 on the battery pack 1; or when disassembling the overall quick-change battery unit, the front panel 2 and the docking panel 3 can be disassembled by unlocking and separating the locking position 421 on the interlocking structure and the locking position 11 on the battery pack 1; in this arrangement, the front panel 2 and the docking panel 3 are used as the connection basis of a pair of connectors, and the combination of the two can form a complete pair of connectors, and the separation of the two can simultaneously separate the pair of connectors, thereby enabling the connectors to be quickly connected and separated; the structural design of the present invention is simple, the connectors can be easily installed and disassembled during the connection phase, maintenance is convenient, and the disassembly efficiency is high.

[0066] For the structural embodiment of the battery pack 1:

[0067] For example, in some embodiments, Figure 3 and Figure 4 As shown, the battery pack 1 includes a battery module 12 and a connecting plate 13, and a plurality of battery modules 12 are fixedly arranged on the connecting plate 13. The locking position 11 can be arranged on the area where the connecting plate 13 is adjacent to the docking panel 3.

[0068] For example, in some embodiments, more than two locking positions 11 are provided; preferably, the locking positions 11 are provided in pairs to connect with the locking positions 421 .

[0069] For example, in some embodiments, Figure 4 As shown, the battery pack 1 includes a battery management system 15 (BMS), which is mounted on the end surface of the front panel 2 facing the battery pack 1 .

[0070] In some embodiments, the front panel 2 and the docking panel 3 are configured as an integral quick-change panel, which helps to reduce the error of quick-change docking of the battery pack 1.

[0071] In this embodiment, the connector is configured as one or more of a high- and low-pressure connector, an explosion-proof valve, a fire-fighting connector, and a waterway connector.

[0072] For example, in some embodiments, Figure 5As shown, the front panel 2 is provided with a high and low voltage first connector 21, an explosion-proof valve 22, a water circuit first connector 23, and a fire protection first connector 24, wherein the high and low voltage first connector 21 and the explosion-proof valve are arranged on the left side of the front panel 2, and the water circuit first connector 23 and the fire protection first connector 24 are arranged on the right side of the front panel 2. This arrangement is conducive to separating water and electricity to avoid mutual interference. For example, a high and low voltage internal connector 14 is arranged in the battery pack 1 to be electrically connected to the high and low voltage first connector 21 on the front panel 2.

[0073] For example, in some embodiments, Figure 6 As shown, the docking panel 3 is equipped with a high-low pressure second connector 31, an explosion-proof valve connecting hole 32, a waterway second connector 33, and a fire-fighting second connector 34. The explosion-proof valve connecting hole 32 is arranged corresponding to the position of the explosion-proof valve member 22; wherein, similarly, the high-low pressure second connector 31 and the explosion-proof valve connecting hole 32 are arranged on the left side of the docking panel 3, and the waterway second connector 33 and the fire-fighting second connector 34 are arranged on the right side of the docking panel 3; this arrangement is conducive to separating water and electricity to avoid mutual interference.

[0074] For example, in some embodiments, the high-voltage side of the high-voltage connector is connected to the battery module 12 and the fuse, and the low-voltage side of the high-voltage connector is interconnected with the battery management system 15; the water connector is connected to the water inlet and outlet of the water cooling plate of the liquid cooling system.

[0075] For example, in some embodiments, the first high and low voltage connector 21, the first water connector 23, and the first fire protection connector 24 are semi-fixed on the front panel 2, and the second high and low voltage connector 31, the second water connector 33, and the second fire protection connector 34 are semi-fixed on the docking panel 3; this arrangement is conducive to absorbing the installation tolerance of the corresponding connectors on the battery pack 1.

[0076] For the design embodiment of the combined structure between the front panel 2 and the docking panel 3:

[0077] For example, in some embodiments, Figure 5 and Figure 6 As shown, a first guide post 25 is provided on the end face of the front panel 2 facing the docking panel 3, and a second guide post 35 is provided on the end face of the docking panel 3 facing the front panel 2. The first guide post 25 and the second guide post 35 are correspondingly plugged and chiseled. One or more first guide posts 25 are provided, and one or more second guide posts 35 are provided. In the specific structural setting, two first guide posts 25 are provided, which are respectively spaced apart and protruded on the left and right ends of the front panel 2, and two second guide posts 35 are also provided, which are respectively spaced apart and protruded on the left and right ends of the docking panel 3. The heads of the first guide posts 25 and the second guide posts 35 are round, and their heights are slightly higher than other electrical connectors, which facilitates the connection and guidance between the front panel 2 and the docking panel 3.

[0078] For example, in some embodiments, the high and low pressure first connector 21 and the high and low pressure second connector 31, the waterway first connector 23 and the waterway second connector 33, and the firefighting first connector 24 and the firefighting second connector 34 are all provided with guide structures to enable the corresponding connectors to have a guide function. For example, the high and low pressure first connector 21 and the high and low pressure second connector 31 can be guided by an elliptical outer contour, while the waterway first connector 23 and the waterway second connector 33, and the firefighting first connector 24 and the firefighting second connector 34 can directly set the interface end to a guide column structure that is plugged in and matched.

[0079] For example, in some embodiments, the docking panel 3 includes a plug-in base plate and a plug-in integrated plate, and a guide column plug-in interface is set on each side of the plug-in integrated plate. The guide column plug-in interface has a large rigidity and is precisely riveted on the plug-in integrated plate with an interference fit, so that the insertion direction of the battery pack 1 can be slightly guided, allowing the battery pack 1 to be roughly introduced into the docking panel 3, and then each plug-in connector can be accurately aligned according to its respective connector guide to achieve the purpose of reliable connection. The plug-in integrated plate and the fixed lock assembly 4 are both fixed on the plug-in base plate, and bolt holes are dug on both sides of the plug-in base plate to be directly fixed on the support beam 61 in the energy storage integrated system.

[0080] Structural design examples for interlocking structures:

[0081] For example, in some embodiments, Figures 7 to 14 As shown, the interlocking structure includes a sliding lock block 42 and a sliding elastic member 43. The sliding lock block 42 and the fixed plate 41 are slidably connected, and the locking position 421 is set on the end face of the sliding lock block 42 facing the locking position 11; one end of the sliding elastic member 43 is connected to the sliding lock block 42, and the other end of the sliding elastic member 43 is connected to the fixed plate 41. The sliding elastic member 43 is suitable for acting on the sliding lock block 42 to slide away from the fixed plate 41 so that the locking position 421 is close to the limit lock position 11.

[0082] The sliding elastic member 43 provides an elastic force to the sliding lock block 42, so that the locking position 421 on the sliding lock block 42 automatically moves toward the lock position 11, so as to relatively limit and lock the overall fixed lock assembly 4 and the battery pack 1; the sliding lock block 42 and the sliding elastic member 43 slide smoothly on the fixed plate 41, so that the locking position 421 on the sliding lock block 42 can smoothly switch to move toward the lock position 11 or away from the lock position 11.

[0083] For example, in a further embodiment, Figure 8 , Figure 12 to Figure 14As shown, the interlocking structure also includes an adjusting rod 44 and a locking elastic member 45. The adjusting rod 44 is rotatably connected to the fixed plate 41. A stop position 422 is provided on the sliding lock block 42. The adjusting rod 44 has an unlocking end 441 and a locking end 442. The rotation axis of the adjusting rod 44 is set between the unlocking end 441 and the locking end 442. The unlocking end 441 is fixedly connected to one end of the locking elastic member 45, and the other end of the locking elastic member 45 is connected to the fixed plate 41. The locking elastic member 45 is suitable for acting on the unlocking end 441 to move away from the fixed plate 41 so that the locking end 442 can move toward the sliding lock block 42 to enter the stop position 422 to lock the locking position 421 and the lock position 11 relative to each other. During the locking stage, the locking elastic member 45 elastically acts on the unlocking end 441 to be in a position away from the fixed plate 41, so that the locking end 442 is connected to the stop position 422, ensuring that the locking position 421 on the sliding lock block 42 is fixed to the locking position 11; during operation, the unlocking action is specifically implemented by the adjusting rod 44, specifically, the unlocking end 441 can be acted to compress the locking elastic member 45, and the unlocking end 441 moves toward the fixed plate 41, so that the locking end 442 rotates to disengage from the stop position 422, so that the sliding lock block 42 and the sliding elastic member 43 can slide relative to the fixed plate 41, so that when an external force acts to separate the battery pack 1 and the fixed lock assembly 4, the locking position 421 of the sliding lock block 42 is prompted to slide to avoid the locking position 11, thereby realizing structural separation.

[0084] For example, in a further embodiment, Fig.11 As shown, the adjustment rod 44 includes a first rod body 444 and a second rod body 445, a rotation position 443 is arranged between the first rod body 444 and the second rod body 445, so as to be rotationally connected with the fixed plate 41, the unlocking end 441 is arranged at the end of the first rod body 444 away from the rotation position 443, the locking end 442 is arranged at the end of the second rod body 445 away from the rotation position 443, and the extension direction of the first rod body 444 and the extension direction of the second rod body 445 are arranged at a first angle. The first angle is set to the acute angle formed by the extension direction of the first rod body 444 and the extension direction of the second rod body 445; the first rod body 444 and the second rod body 445 are arranged to deviate from each other and tilt, which is conducive to the locking end 442 being able to smoothly move forward and backward to the stop position 422 when a force is applied to the unlocking end 441 or the locking elastic member 45 is reset.

[0085] For example, in a further embodiment, the unlocking end 441 is configured as an unlocking fastener, and the unlocking end 441 of the adjusting rod 44 can be manually pressed to achieve the purpose of unlocking.

[0086] For the variant implementation of unlocking the interlocking structure, an electromagnetic control valve assembly (not shown in the figure) is arranged on the adjusting rod 44 and the fixed plate 41 to electrically control the locking end 442 of the adjusting rod 44 to move toward the stop position 422. In a specific structural setting, an electromagnetic induction sheet is respectively arranged on the unlocking end 441 and the fixed plate 41, or an electromagnetic induction sheet and a magnetic part are respectively arranged; through electromagnetic induction attraction, the unlocking end 441 is moved closer to the fixed plate 41, and the locking end 442 moves toward the stop position 422 through the lever principle. In another specific structural setting, an electromagnetic induction sheet is directly arranged on the locking end 442 and the stop position 422, or an electromagnetic induction sheet and a magnetic part are respectively arranged; through electromagnetic induction attraction, the locking end 442 moves toward the stop position 422. In other embodiments, the first rod body 444 and the fixed plate 41 adopt the electromagnetic induction attraction method, or the second rod body 445 and the fixed plate 41 adopt the electromagnetic induction attraction method, so as to achieve the purpose of moving the locking end 442 toward the stop position 422. This arrangement, in which an electromagnetically controlled valve assembly is installed on the fixing plate 41 to electrically control the unlocking operation, can reduce the number of additional components fed into the battery pack 1 tooling, enhance the compactness of the structure, and facilitate the automatic battery pack 1 disassembly process.

[0087] For example, in a further embodiment, Fig.10 and Fig.11 As shown, the stopper 422 is configured as a slot body, and the locking end 442 is configured as a triangular buckle, and the triangular buckle is configured to be buckled with the slot body.

[0088] For example, in a further embodiment, Fig.10 As shown, a connecting column 423 is provided on the locking slider, and the sliding elastic member 43 is sleeved and assembled on the connecting column 423 .

[0089] For example, in a further embodiment, Fig.12 and Fig.15 As shown, an assembly groove 411 is provided in the fixed plate 41, and the assembly groove 411 extends toward the locking position 11, and the sliding lock block 42 is slidably configured in the assembly groove 411; a connecting groove 413 is recessed on the wall surface of the fixed plate 41, and the connecting groove 413 is isolated from the assembly groove 411; a through groove 412 is penetrated on the wall surface of the fixed plate 41, and the through groove 412 is connected to the assembly groove 411, and the through groove 412 is arranged on the rotation path of the locking end 442.

[0090] As a preferred embodiment, two interlocking structures are provided, and the two interlocking structures are symmetrically arranged on the fixing plate 41. The locking positions 421 on the two interlocking structures are respectively connected to the locking positions 11 of the battery pack 1.

[0091] For example, in some embodiments, two locking positions 421 are provided, two locking positions 11 are provided, the two locking positions 421 are arranged opposite to each other, the two locking positions 11 are arranged facing each other, and the two locking positions 421 are locked and connected between the two locking positions 11.

[0092] For example, in some embodiments, among the locking position 11 and the locking position 421, one of them is set as a locking protrusion, and the other is set as a locking groove; transition curve surfaces are respectively provided on the wall surfaces of the locking protrusion and the locking groove, so that the locking position 11 can slide relatively close to or away from the locking position 421.

[0093] In this embodiment, in order to strengthen the monitoring of the locking state between the battery pack 1 and the fixed lock assembly 4, as shown in FIG. Figure 8 , Figure 12 to Figure 14 As shown, the fixed lock assembly 4 also includes a feedback module, which includes a displacement and pressure sensor 46, a status indicator light 47 and a wire 48. The detection end of the displacement and pressure sensor 46 is set at the locking position 421, the displacement and pressure sensor 46 is installed in the sliding lock block 42, the status indicator light 47 is installed on the fixed plate 41, and the displacement and pressure sensor 46 is electrically connected to the status indicator light 47 through the wire 48. A displacement and pressure sensor is configured at the locking position 421, which can detect the position and contact state of the sliding lock block 42 and send a corresponding signal to the status indicator light 47. When the sliding lock block 42 is not contacted by foreign objects, the sensor has no pressure signal; when the battery pack 1 is in the installed and fixed state, the pressure sensor has a pressure signal; then the corresponding distance signal fed back by the sensor is used to know the state of the battery pack 1.

[0094] The quick-change battery unit provided by the present invention has a sliding lock block 42 with one end in a rounded shape with a locking groove in the middle, and the other end connected to a sliding elastic member 43, and then installed together at both ends of a fixed plate 41; when there is no adjustment rod 44 involved in locking, the sliding lock block 42 can be freely extended and retracted in the fixed plate 41, and the extension and retraction depends on the contact between the outside and its round end. The locking end 442 of the adjustment rod 44 has a triangular buckle, and there is a connecting shaft hole for a rotation position 443 in the middle of the adjustment rod 44. The unlocking end 441 of the adjustment rod 44 is set as an unlocking buckle, and the unlocking buckle is kept away from the fixed plate 41 by the locking elastic member 45. The adjustment rod 44 is a lever principle, and the offset movement of the ends on both sides is realized by the rotation position 443. When the battery pack 1 is inserted into the energy storage compartment, the tooling sent into the battery pack 1 needs to remain in a pressed unlocked state, and the sliding lock block 42 will first shrink to the inside of the fixed plate 41 according to the shape of the lock position 11 of the battery pack 1, and then bounce back to the locked position. At this time, as long as the force of the unlocking end 441 is removed, the sliding lock block 42 can be locked. After being locked, the sliding lock block 42 cannot move, and the locking position 11 on the battery pack 1 is kept locked, so that the battery pack 1 can be fixed. A displacement and pressure sensor is installed at the circular end of the sliding lock block 42, which can detect the position and contact state of the sliding lock block 42 and send corresponding signals to the status indicator 47.

[0095] The quick-change battery unit provided by the present invention has an automatic interlocking function after the battery pack 1 is docked with the fixed lock assembly 4. After the battery pack 1 is inserted into the corresponding position of the energy storage bin in the energy storage integrated system, the fixed lock assembly 4 can fix and lock the battery pack 1 to prevent the battery pack 1 from being displaced under the action of external force and causing the connectors to separate from each other; when the battery pack 1 needs maintenance, it is only necessary to press the unlocking end 441 to unlock the interlocking structure, and then the battery pack 1 can be smoothly taken out of the energy storage bin.

[0096] Example 2

[0097] like Figures 16 to 18 As shown, this embodiment provides an energy storage integrated system, including several quick-change battery units of Embodiment 1.

[0098] In this embodiment, if Fig.17 and Fig.18 As shown, the energy storage integration system also includes a box door 5 and a container 6, and the box door 5 and the container 6 are rotatably connected; a plurality of support beams 61 are provided in the container 6, and the plurality of support beams 61 are arranged in a row, and an energy storage bin is provided between two adjacent rows of support beams 61, and a plurality of quick-change battery units arranged in a stacked manner are installed in the energy storage bin, and the docking panel 3 is first fixedly installed inside the energy storage bin, and then the battery pack 1 is inserted into the energy storage bin and connected to the docking panel 3, and the docking panel 3 is locked with the battery pack 1, and after the plurality of battery packs 1 are inserted into the energy storage bin in turn, the installation and integration can be completed.

[0099] In this embodiment, if Fig.18 As shown, a liquid cooling pipe 62, a fire fighting pipe 63, a low-voltage communication line 64 and a high-voltage connecting line 65 are provided in the container 6. The battery pack 1 in any quick-change battery unit is provided with a water pipe 16 connected to the liquid cooling pipe 62 and the fire fighting pipe 63 respectively. The high and low voltage connectors of any quick-change battery unit are electrically connected to the low-voltage communication line 64 and the high-voltage connecting line 65 respectively.

[0100] For example, in some embodiments, Fig.18 As shown, 8 docking panels 3 are arranged on the support beam 61, which are pre-installed on the support beam 61 in sequence, and then the high-voltage connection line 65, the low-voltage communication line 64, the fire-fighting pipeline, and the liquid cooling pipeline 62 are connected; these pipelines are then respectively connected to the main pipelines of the energy storage container 6, so that the entire energy storage warehouse system is connected. After the energy storage system is pre-installed, the battery pack 1 is inserted into the container 6 in sequence, and the integration of the entire energy storage system is completed.

[0101] For example, in some embodiments, Fig.16 and Fig.17 As shown, the energy storage integrated system is divided into 6 clusters, each with 8 battery packs 1, a high-voltage box at the bottom, and a box door 5 for each cluster. At the same time, the integrated system can also be 12 clusters, each with 4 battery packs 1, and 2 clusters with a box door 5, all within the scope of protection of the present invention. After the energy storage system is pre-installed, the battery packs 1 are inserted into the container 6 in turn, and the integration of the entire energy storage system is completed.

[0102] The battery pack 1 and energy storage integrated system integration method designed in the present invention have a quick-change function. During installation, the battery pack 1 can be quickly inserted into the corresponding position without the need to install bolts or manually connect high and low voltage, water pipes, etc.; similarly, during maintenance, it is only necessary to cut off the entire cluster PDU circuit to remove the battery pack 1 that needs maintenance from the container 6.

[0103] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A quick-change battery unit, characterized in that: include: A battery pack (1) having at least two locking positions (11); A front panel (2) fixedly connected to an end face of the battery pack (1); A docking panel (3) is arranged on a side of the front panel (2) facing away from the battery pack (1), and at least one pair of connectors are arranged in combination on the front panel (2) and the docking panel (3); and a fixed lock assembly (4), the fixed lock assembly (4) comprising a fixed plate (41) and an interlocking structure, the fixed plate (41) being fixedly configured with the docking panel (3), the interlocking structure being mounted on the fixed plate (41), the interlocking structure being configured with a locking position (421), the locking position (421) being arranged corresponding to the locking position (11); the interlocking structure having a first state in which the locking position (421) and the locking position (11) are locked in a limited position to relatively fix the connector on the front panel (2) and the docking panel (3), and a second state in which the locking position (421) and the locking position (11) are unlocked and disengaged to separate the connector on the front panel (2) and the docking panel (3).

2. The quick-change battery unit according to claim 1, characterized in that: The interlocking structure comprises a sliding lock block (42) and a sliding elastic member (43); the sliding lock block (42) and the fixed plate (41) are slidably connected to each other, and the locking position (421) is arranged on the end surface of the sliding lock block (42) facing the locking position (11); one end of the sliding elastic member (43) is connected to the sliding lock block (42), and the other end of the sliding elastic member (43) is connected to the fixed plate (41); the sliding elastic member (43) is suitable for acting on the sliding lock block (42) to slide away from the fixed plate (41) so that the locking position (421) is close to the locking position (11) that is limited.

3. The quick-change battery unit according to claim 2, characterized in that: The interlocking structure also includes an adjusting rod (44) and a locking elastic member (45), wherein the adjusting rod (44) is rotatably connected to the fixed plate (41), and a stop position (422) is provided on the sliding lock block (42). The adjusting rod (44) has an unlocking end (441) and a locking end (442), and a rotation axis of the adjusting rod (44) is arranged between the unlocking end (441) and the locking end (442). The unlocking end (441) is fixedly connected to one end of the locking elastic member (45), and the other end of the locking elastic member (45) is connected to the fixed plate (41). The locking elastic member (45) is suitable for acting on the unlocking end (441) to move away from the fixed plate (41) so that the locking end (442) can move toward the sliding lock block (42) to enter the stop position (422) to relatively lock the locking position (421) and the lock position (11).

4. The quick-change battery unit according to claim 3, characterized in that: The fixing plate (41) is provided with an assembly groove (411), the assembly groove (411) is extended toward the locking position (11), and the sliding lock block (42) is slidably arranged in the assembly groove (411); a connecting groove (413) is recessed on the wall surface of the fixing plate (41), and the connecting groove (413) is isolated from the assembly groove (411); a through groove (412) is penetrated on the wall surface of the fixing plate (41), the through groove (412) is connected to the assembly groove (411), and the through groove (412) is arranged on the rotation path of the locking end (442); and / or The stop position (422) is configured as a slot body, and the locking end (442) is configured as a triangular buckle, and the triangular buckle is configured to be buckled with the slot body.

5. The quick-change battery unit according to claim 3, characterized in that: The adjusting rod (44) comprises a first rod body (444) and a second rod body (445); a rotation position (443) is arranged between the first rod body (444) and the second rod body (445) so as to be rotationally connected with the fixing plate (41); the unlocking end (441) is arranged at an end of the first rod body (444) away from the rotation position (443); the locking end (442) is arranged at an end of the second rod body (445) away from the rotation position (443); and the extension direction of the first rod body (444) and the extension direction of the second rod body (445) are arranged to form a first angle; and / or The adjusting rod (44) and the fixing plate (41) are provided with an electromagnetic control valve assembly to electrically control the locking end (442) of the adjusting rod (44) to move toward the stop position (422).

6. The quick-change battery unit according to claim 2, characterized in that: The fixed lock assembly (4) also includes a feedback module, which includes a displacement and pressure sensor (46), a status indicator light (47) and a wire (48). The detection end of the displacement and pressure sensor (46) is arranged at the locking position (421), the displacement and pressure sensor (46) is installed in the sliding lock block (42), the status indicator light (47) is installed on the fixed plate (41), and the displacement and pressure sensor (46) is electrically connected to the status indicator light (47) through the wire (48).

7. The quick-change battery unit according to any one of claims 1 to 6, characterized in that: The interlocking structures are provided with two, and the two interlocking structures are symmetrically arranged on the fixing plate (41); and / or In the locking position (11) and the locking position (421), one of them is configured as a locking protrusion, and the other of them is configured as a locking groove; transition curve surfaces are respectively provided on the wall surfaces of the locking protrusion and the locking groove, so that the locking position (11) can slide relatively toward or away from the locking position (421); and / or At least one first guide column (25) is provided on the end surface of the front panel (2) facing the docking panel (3), and at least one second guide column (35) is provided on the end surface of the docking panel (3) facing the front panel (2), and the first guide column (25) and the second guide column (35) are correspondingly plugged and chiseled.

8. The quick-change battery unit according to any one of claims 1 to 6, characterized in that: The connector is configured as at least one of a high-low pressure connector, an explosion-proof valve, a fire-fighting connector, and a waterway connector; and / or The battery pack (1) comprises a battery module (12) and a connecting plate (13), and a plurality of the battery modules (12) are fixedly arranged on the connecting plate (13); and / or The battery pack (1) comprises a battery management system, and the battery management system is mounted on the end surface of the front panel (2) facing the battery pack (1).

9. An energy storage integrated system, characterized in that: Comprising the quick-change battery units described in any one of several claims 1-8.

10. The energy storage integrated system according to claim 9, characterized in that: The energy storage integrated system further comprises a box door (5) and a container (6), wherein the box door (5) and the container (6) are rotatably connected to each other, wherein a plurality of support beams (61), liquid cooling pipes (62), fire fighting pipes (63), low-voltage communication lines (64) and high-voltage connecting lines (65) are arranged in the container (6), wherein the plurality of support beams (61) are arranged in a row, and an energy storage bin is arranged between two adjacent rows of support beams (61), wherein a plurality of stacked quick-change battery units are installed in the energy storage bin, wherein the battery pack (1) in any quick-change battery unit is provided with a water pipe respectively connected to the liquid cooling pipe (62) and the fire fighting pipe (63), and the high and low voltage connectors of any quick-change battery unit are respectively electrically connected to the low-voltage communication line (64) and the high-voltage connecting line (65).

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