Cabinet type energy storage closed sub-cabin

Abstract

The utility model discloses a cabinet type energy storage closed sub-cabin, which comprises a cabin body, a battery cabin, an electrical cabin and a liquid cooling cabin, a vertical partition plate and a horizontal partition plate are arranged in the cabin body, the vertical partition plate divides the space in the cabin body into a narrow cabin and a wide cabin, the narrow cabin is the liquid cooling cabin, the horizontal partition plate is arranged in the middle of the wide cabin, the space above the horizontal partition plate is the battery cabin, and the electric cabin is arranged in the liquid cooling cabin. A liquid cooling cabin door, a battery cabin door and an electrical cabin door are respectively arranged on two sides of the front side of the cabin body; a strong-current through-wall assembly and a weak-current through-wall assembly are arranged on the two sides of the horizontal partition plate respectively, the strong-current through-wall assembly seals a strong-current cable in the electrical cabin to lead to the battery cabin, the weak-current through-wall assembly seals a weak-current cable in the battery cabin to lead to the battery cabin, a pipe hole is formed in the top of the vertical partition plate, and a liquid cooling pipeline is arranged between the liquid cooling cabin and the battery cabin in a penetrating mode. A liquid cooling through-wall assembly is arranged on the liquid cooling pipeline, and the liquid cooling through-wall assembly penetrates through the pipe hole to seal the pipe hole; the sealing performance between the cabins is good, and the use safety is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the power grid energy storage technical field, it is an integrated architecture that can guarantee the safety of energy storage system, specifically relates to a cabinet type energy storage closed cabin. BACKGROUND

[0002] The cabinet type energy storage system is an integrated and modular energy storage solution, integrates battery pack, battery management system, power conversion system, power distribution unit and heat management system in one or more standard cabinets, has the characteristics of flexible deployment, small floor area, easy maintenance and the like, and is widely used in industrial and commercial energy storage, microgrid, standby power and the like. At present, most of the cabinet type energy storage systems on the market place the battery system and the power conversion and related power distribution system together, there is no isolation between the equipment and the related equipment, when the system has internal battery thermal runaway, the combustible gas diffuses, the gas may diffuse to other space and may be ignited by other non-battery system, resulting in potential safety hazards of the system. CONTENT OF THE UTILITY MODEL

[0003] In view of the above problems and technical needs, the utility model provides a cabinet type energy storage closed cabin, a plurality of independent compartments are arranged in the cabin, the battery system and other systems are completely isolated, the closed wall penetration terminal is arranged between the compartments, the strong current, weak point and liquid cooling circuit can be conducted at the same time, the sealing performance between the compartments is guaranteed, and the purpose of improving the safety of the system is achieved.

[0004] The technical scheme of the utility model is as follows: a cabinet type energy storage closed cabin, comprising a cabin body, a battery cabin, an electrical cabin and a liquid cooling cabin, the cabin body is rectangular, the cabin body is provided with a cabin door on the front face, a vertical partition plate and a horizontal partition plate are arranged in the cabin body, the vertical partition plate divides the space in the cabin body into a narrow cabin and a wide cabin, the narrow cabin is the liquid cooling cabin, the horizontal partition plate is arranged in the middle of the wide cabin, the space above the horizontal partition plate is the battery cabin, the space below the horizontal partition plate is the electrical cabin, the cabin body is provided with a liquid cooling cabin door, a battery cabin door and an electrical cabin door on the two sides of the front side, the three cabin doors are independent door plates; the horizontal partition plate is provided with a strong current wall penetration assembly and a weak current wall penetration assembly on the two sides respectively, the strong current wall penetration assembly seals the strong current cable in the electrical cabin and leads to the battery cabin, the weak current wall penetration assembly seals the weak current cable in the battery cabin and leads to the battery cabin, the vertical partition plate is provided with a pipe hole in the top, a liquid cooling pipe is arranged between the liquid cooling cabin and the battery cabin, the liquid cooling pipe is provided with a liquid cooling wall penetration assembly, the liquid cooling wall penetration assembly penetrates the pipe hole and seals the pipe hole.

[0005] Further, the strong electric wall-penetrating assembly comprises a wire passing plate, a locking sealing plate and a rubber plug, both sides of the wire passing plate are provided with horizontal through holes, the front end of the horizontal through hole is hexagonal, a hexagonal nut is embedded in the front end of the through hole, the middle part of the inner side of the wire passing plate is provided with two grooves, the rubber plug can be correspondingly clamped into the two grooves, the center of the rubber plug is provided with a wire passing hole, the strong electric cable passes through the wire passing hole from bottom to top and is connected to the battery cabin, the locking sealing plate is detachably connected to the inner side of the wire passing plate, both sides of the locking sealing plate are provided with screw rods, the two screw rods pass through the horizontal through holes on both sides and are locked and connected with the hexagonal nut, and the locking sealing plate tightly presses and seals the rubber plug in the groove.

[0006] Further, both sides of the wire passing plate are also provided with bolt holes, the wire passing plate is fixedly connected to the horizontal partition plate through the bolt holes, the horizontal partition plate is provided with a wire hole for the strong electric cable to pass through, and the range of the wire hole does not exceed the coverage range of the rubber plug.

[0007] Further, the weak electric wall-penetrating assembly comprises a threaded main body, a clamping claw, a threaded connecting cap and a sealing gasket, the middle part of the threaded main body is provided with a stop ring, the outer circumferential surface of the threaded main body on both sides of the stop ring is provided with a thread, the horizontal partition plate is provided with a through hole, the threaded main body is connected to the through hole, and the stop ring is stopped on the horizontal partition plate; a nut is screwed to the lower segment of the threaded main body, a gasket is arranged at the connection position, and the nut fixes the threaded main body and the through hole; a cable through hole is arranged in the threaded main body, a circular clamping claw is arranged in the cable through hole, a sealing gasket is arranged above the stop ring, a threaded connecting cap is tightly screwed to the upper end of the threaded main body, and the weak electric cable sequentially passes through the cable through hole, the clamping claw and the threaded connecting cap from bottom to top and is led into the battery cabin.

[0008] Further, the inner side of the clamping claw tightly holds the weak electric cable, and the clamping claw and the cable through hole are in interference fit.

[0009] Further, the liquid cooling wall-penetrating assembly comprises a quick-connect male head, a quick-connect female head, a sealing ring and a locking nut, the tail ends of the quick-connect male head and the quick-connect female head are respectively connected to liquid cooling pipelines, the front end of the quick-connect male head is a convex cylindrical connecting end, the outer side of the cylindrical connecting end is provided with a male thread, the front end of the quick-connect female head is a concave cylinder, the front end of the quick-connect male head can be inserted into the concave cylinder and is sealingly connected to the quick-connect female head; the vertical partition plate is provided with a pipe hole, the quick-connect male head passes through the pipe hole, and the sealing ring and the locking nut are sleeved on the quick-connect male head on the other side of the pipe hole, the locking nut is in locking fit with the male thread, and the sealing ring is tightly pressed on the outer side of the pipe hole.

[0010] Further, a plurality of groups of batteries are arranged in the battery cabin, and the liquid cooling pipelines are led into the battery cabin and are connected in parallel with the plurality of groups of batteries.

[0011] Further, the vertical partition plate and the horizontal partition plate are both isolation fireproof plates.

[0012] Further, the electrical cabin door is provided with a heat dissipation grille.

[0013] The utility model discloses the beneficial effect of:

[0014] 1, this closed cabin places battery system with liquid cooling system, electrical system and other system cabin, vertical baffle and horizontal baffle divide apart between each cabin, since the baffle is all made of fire -resistant board, can insulate flame after the fire of a system, avoid spreading to other cabin, not only high safety, but also can avoid more economic loss.

[0015] 2, the cabin between the compartment that divides apart needs to be connected through liquid cooling pipeline, high -voltage cable and weak electric cable, needs to open hole on horizontal baffle and vertical baffle, in order to guarantee the sealing property of the hole, and the connection stability of pipeline and cable, set up high -voltage wall -penetrating component and weak electric wall -penetrating component on horizontal baffle, set up liquid cooling wall -penetrating component on vertical baffle, three kinds of wall -penetrating components can realize the closed compression between the baffle, prevent the combustible gas that generates after the thermal runaway in a cabin spreads outward along the eye, further improve airtightness and safety.

[0016] 3, the cabin door of battery cabin and electrical cabin that set up in the same side are set apart, and the battery cabin door and electrical cabin door that separate up and down can be independently operated, since the characteristic of battery module, need a good environment temperature and humidity, the door of battery cabin is not necessary to be opened, and the change of environment temperature and humidity is big, and the safety and performance of battery are influenced, for example, temperature is the change that is big, forms condensation and leads to insulation drop even directly explodes machine, causes personnel and property loss, when maintaining the module outside battery, need not open the door of battery cabin, avoid some security problems. ACCURACY

[0017] Figure 1 It is the three -dimensional structure diagram of the utility model cabinet -type energy storage closed cabin;

[0018] Figure 2 It is the connecting structure diagram of liquid cooling pipeline in the utility model cabin body;

[0019] Figure 3 It is the structure diagram of horizontal baffle both sides in the utility model;

[0020] Figure 4 It is the structure diagram of high -voltage wall -penetrating component in the utility model;

[0021] Figure 5 It is the structure diagram of weak electric wall -penetrating component in the utility model;

[0022] Figure 6 It is the connecting structure diagram of liquid cooling pipeline and liquid cooling wall -penetrating component in the utility model;

[0023] Figure 7 It is the structure diagram of quick -connect male head in the utility model;

[0024] The figure is marked as: cabin body 1, battery cabin 2, battery cabin door 21, battery 22, electrical cabin 3, electrical cabin door 31, heat dissipation grille 32, liquid cooling cabin 4, liquid cooling cabin door 41, liquid cooling pipe 42, vertical partition 5, pipe hole 51, horizontal partition 6, strong current wall penetrating assembly 7, wire passing plate 71, horizontal through hole 711, hexagonal nut 712, groove 713, bolt hole 714, locking cover plate 72, screw 721, rubber plug 73, wire passing hole 731, strong current cable 732, weak current wall penetrating assembly 8, weak current cable 81, threaded body 82, threaded connection cap 83, sealing gasket 84, retaining ring 85, liquid cooling wall penetrating assembly 9, quick connection male head 91, quick connection female head 92, sealing ring 93, locking nut 94. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings and examples.

[0026] As Figures 1-7 The utility model relates to a cabinet type energy storage closed subcabin, including cabin body 1, battery cabin 2, electrical cabin 3 and liquid cooling cabin 4, cabin body 1 is rectangle, cabin body 1 front is equipped with cabin door, be equipped with a vertical partition 5 and a horizontal partition 6 in cabin body 1, vertical partition 5 will cabin inside space divide into narrow cabin and wide cabin, narrow cabin is liquid cooling cabin 4, the middle part of wide cabin is equipped with horizontal partition 6, the space of horizontal partition 6 top is battery cabin 2, the space of horizontal partition 6 below is electrical cabin 3, cabin body 1 front side two sides are equipped with liquid cooling cabin door 41, battery cabin door 21 and electrical cabin door 31, three cabin doors are independent door plate, the battery cabin 2 is equipped with multiple groups of batteries 22, vertical partition 5 and horizontal partition 6 are all isolation fireproof board, be equipped with heat dissipation grille 32 on electrical cabin door 31.

[0027] The closed subcabin places battery system and liquid cooling system, electrical system and other systems, vertical partition 5 and horizontal partition 6 separate each cabin, since the partition is all made of fireproof board, can isolate flame after one system ignites, avoid spreading to other cabins, not only high safety, but also can avoid more economic losses.

[0028] Horizontal partition 6 both sides are equipped with strong current wall penetrating assembly 7 and weak current wall penetrating assembly 8, strong current wall penetrating assembly 7 seals the strong current cable 732 in electrical cabin 3 and leads to battery cabin 2, weak current wall penetrating assembly 8 seals the weak current cable 81 in battery cabin 2 and leads to battery cabin 2, vertical partition 5 top is equipped with pipe hole 51, liquid cooling pipe 42 is arranged between liquid cooling cabin 4 and battery cabin 2, and liquid cooling wall penetrating assembly 9 is arranged on liquid cooling pipe 42, liquid cooling wall penetrating assembly 9 passes through pipe hole 51, seals pipe hole 51, and liquid cooling pipe 42 leads into battery cabin 2 and is connected in parallel with multiple groups of batteries 22.

[0029] The liquid cooling wall penetrating assembly 9 comprises a quick-connect male head 91, a quick-connect female head 92, a sealing ring 93 and a locking nut 94. The quick-connect male head 91 and the quick-connect female head 92 are connected to the liquid cooling pipeline 42 at the tail ends, respectively. The front end of the quick-connect male head 91 is a protruding cylindrical connecting end, and the outer side of the cylindrical connecting end is provided with a male thread. The front end of the quick-connect female head 92 is a recessed cylinder. The front end of the quick-connect male head 91 can be inserted into the recessed cylinder and is in sealing connection with the quick-connect female head 92. The vertical partition plate 5 is provided with a pipe hole 51 at the beginning. The quick-connect male head 91 penetrates through the pipe hole 51. The sealing ring 93 and the locking nut 94 are sleeved on the quick-connect male head 91 at the other side of the pipe hole 51. The locking nut 94 is in locking cooperation with the male thread to press the sealing ring 93 tightly on the outer side of the pipe hole 51.

[0030] The strong current wall penetrating assembly 7 comprises a wire passing plate 71, a locking sealing plate 72 and a rubber plug 73. The wire passing plate 71 is provided with horizontal through holes 711 at both sides. The front end of the horizontal through hole 711 is hexagonal, and the front end of the through hole is embedded with a hexagonal nut 712. The inner side surface of the wire passing plate 71 is provided with two recesses 713 in the middle part. The rubber plug 73 can be correspondingly clamped into the two recesses 713. The rubber plug 73 is provided with a wire passing hole 731 in the center. The strong current cable 732 penetrates through the wire passing hole 731 from bottom to top and is connected to the battery cabin 2. The locking sealing plate 72 is detachably connected to the inner side of the wire passing plate 71. The locking sealing plate 72 is provided with screw rods 721 at both sides. The two screw rods 721 penetrate through the horizontal through holes 711 at both sides and are in locking connection with the hexagonal nut 712. The locking sealing plate 72 presses the rubber plug 73 tightly and seals it in the recess 713. The wire passing plate 71 is further provided with screw holes 714 at both sides. The wire passing plate 71 is fixedly connected to the horizontal partition plate 6 through the screw holes 714. The horizontal partition plate 6 is provided with wire holes for the strong current cable 732 to pass through. The range of the wire hole does not exceed the coverage range of the rubber plug 73.

[0031] The weak current wall penetrating assembly 8 comprises a threaded body 82, a clamping claw (not shown in the figure), a threaded connection cap 83 and a sealing gasket 84. The threaded body 82 is provided with a stop ring 85 in the middle part. The outer peripheral surface of the threaded body at both sides of the stop ring 85 is provided with a thread. The horizontal partition plate 6 is provided with a through hole. The threaded body 82 is connected to the through hole. The stop ring 85 is stopped on the horizontal partition plate 6. A nut is screwed to the lower segment of the threaded body. A gasket (not shown in the figure) is arranged at the connection position. The nut fixes the threaded body 82 and the through hole. The threaded body 82 is provided with a cable through hole (not shown in the figure) in the inside. The cable through hole is provided with a circular clamping claw. The sealing gasket 84 is arranged above the stop ring 85. The upper end of the threaded body 82 is pressed and screwed with the threaded connection cap 83. The weak current cable 81 penetrates through the cable through hole, the clamping claw and the threaded connection cap in sequence from bottom to top and is led into the battery cabin 2. The inner side of the clamping claw tightly holds the weak current cable. The clamping claw and the cable through hole are in interference fit.

[0032] The liquid cooling pipe 42, the strong current cable 732 and the weak current cable 81 are connected between the separated cabins, and holes are formed on the horizontal partition plate 6 and the vertical partition plate 5, in order to ensure the sealing of the holes and the stability of the connection of the pipe and the cable, the strong current wall-penetrating assembly 7 and the weak current wall-penetrating assembly 8 are arranged on the horizontal partition plate, and the liquid cooling wall-penetrating assembly 9 is arranged on the vertical partition plate 5, the three wall-penetrating assemblies can realize airtight pressing with the partition plate, so that the combustible gas generated in a cabin due to thermal runaway is prevented from spreading outward along the hole, and the air tightness and safety are further improved.

[0033] The application principle of the utility model is: the battery 22 is separately placed in the battery cabin 2, the electrical system is arranged in the electrical cabin 3, and the liquid cooling system is arranged in the liquid cooling cabin 4; the battery cabin door 21, the electrical cabin door 31 and the liquid cooling cabin door 41 can be individually opened and closed, so that the operation in the cabin is individually facilitated, and the opening and closing operation does not affect the equipment in other cabins; the liquid cooling cabin 4 regulates the temperature of the battery cabin 2 through the liquid cooling pipe 42; the liquid cooling wall-penetrating assembly 9 airtightly connects the pipe between the two cabins, the locking nut 94 presses the sealing ring 93 outside the pipe hole 51, so that the pipe hole 51 is sealed, and the quick male head 91 is locked with the vertical partition plate 5, so that the connection stability is improved; the rubber plug 73 in the strong current wall-penetrating assembly 7 is pressed in the groove 713 by the locking plate 72, so that the groove 713 is sealed, and there is no threading gap between the wire hole passing through the groove 713 and the horizontal partition plate, so that the air tightness of the connection is ensured; the threaded body 82 in the weak current wall-penetrating assembly 8 is screwed on the horizontal partition plate, and the weak current cable 81 passing through the threaded body 82 is sealed in the threaded body under the pressing of the clamping jaw, and the threaded connection cap 83 further fixes the weak current cable 81; during the operation of the cabin, the three cabins are independently operated, and if flammable gas is generated due to thermal runaway in a cabin, the gas does not spread to other cabins, so that the safety is high.

[0034] The above only describes several preferred embodiments of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes and replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A cabinet-type energy storage containment, characterized by: The application relates to a battery cabin, an electrical cabin and a liquid cooling cabin, wherein the cabin body is rectangular, the cabin body is provided with a cabin door at the front, a vertical partition plate and a horizontal partition plate are arranged in the cabin body, the vertical partition plate divides the cabin body into a narrow cabin and a wide cabin, the narrow cabin is the liquid cooling cabin, the horizontal partition plate is arranged in the middle of the wide cabin, the space above the horizontal partition plate is the battery cabin, the space below the horizontal partition plate is the electrical cabin, the cabin body is provided with a liquid cooling cabin door, a battery cabin door and an electrical cabin door at the two sides of the front side, and the three cabin doors are independent door plates; the horizontal partition plate is provided with a strong current wall-penetrating assembly and a weak current wall-penetrating assembly at the two sides, the strong current wall-penetrating assembly seals the strong current cable in the electrical cabin and leads to the battery cabin, the weak current wall-penetrating assembly seals the weak current cable in the battery cabin and leads to the battery cabin, the vertical partition plate is provided with a pipe hole, a liquid cooling pipeline is arranged between the liquid cooling cabin and the battery cabin, the liquid cooling pipeline is provided with a liquid cooling wall-penetrating assembly, the liquid cooling wall-penetrating assembly penetrates through the pipe hole and seals the pipe hole.

2. A cabinet-type energy storage closed compartment according to claim 1, characterized in that: The strong current wall-penetrating assembly comprises a wire passing plate, a locking sealing plate and a rubber plug, the wire passing plate is provided with horizontal through holes at the two sides, the front end of the horizontal through hole is hexagonal, a hexagonal nut is embedded in the front end of the horizontal through hole, the middle of the inner side of the wire passing plate is provided with two grooves, the rubber plug can be clamped into the two grooves, the rubber plug is provided with a wire passing hole in the center, the strong current cable passes through the wire passing hole from bottom to top and is connected to the battery cabin, the locking sealing plate is detachably connected to the inner side of the wire passing plate, the locking sealing plate is provided with screw rods at the two sides, the two screw rods pass through the horizontal through holes at the two sides and are locked and connected with the hexagonal nut, and the locking sealing plate tightly seals the rubber plug in the grooves.

3. A cabinet-type energy storage closed compartment according to claim 2, characterized in that: The wire passing plate is further provided with bolt holes at the two sides, the wire passing plate is fixedly connected to the horizontal partition plate through the bolt holes, the horizontal partition plate is provided with a wire hole for the strong current cable, and the range of the wire hole does not exceed the coverage range of the rubber plug.

4. A cabinet-type energy storage closed compartment according to claim 1, characterized in that: The weak current wall-penetrating assembly comprises a threaded main body, a clamping claw, a threaded connecting cap and a sealing gasket, the threaded main body is provided with a stop ring in the middle, the outer circumferential surface of the threaded main body at the two sides of the stop ring is provided with threads, the horizontal partition plate is provided with a through hole, the threaded main body is connected to the through hole, the stop ring is stopped on the horizontal partition plate, a nut is screwed to the lower section of the threaded main body, a gasket is arranged at the connecting position, and the nut fixes the threaded main body and the through hole; the threaded main body is provided with a cable through hole in the inside, the cable through hole is provided with a circular clamping claw, the stop ring is provided with a sealing gasket above, the upper end of the threaded main body is tightly screwed with a threaded connecting cap, and the weak current cable passes through the cable through hole, the clamping claw and the threaded connecting cap from bottom to top and is led into the battery cabin.

5. A cabinet-type energy storage closed compartment according to claim 4, characterized in that: The inner side of the clamping claw tightly holds the weak current cable, and the clamping claw and the cable through hole are in interference fit.

6. A cabinet-type energy storage closed compartment according to claim 1, characterized in that: The liquid cooling wall-penetrating assembly comprises a quick connecting male head, a quick connecting female head, a sealing ring and a locking nut, the quick connecting male head and the quick connecting female head are connected to the liquid cooling pipeline at the tail ends, the front end of the quick connecting male head is a convex cylindrical connecting end, the outer side of the cylindrical connecting end is provided with a male thread, the front end of the quick connecting female head is a concave cylinder, the front end of the quick connecting male head can be inserted into the concave cylinder and is sealingly connected with the quick connecting female head; the vertical partition plate is provided with a pipe hole at the top, the quick connecting male head penetrates through the pipe hole, the sealing ring and the locking nut are sleeved on the quick connecting male head at the other side of the pipe hole, and the locking nut is locked and matched with the male thread to tightly press the sealing ring outside the pipe hole.

7. A cabinet-type energy storage closed compartment according to claim 1, characterized in that: The battery cabin is provided with multiple groups of batteries, and liquid cooling pipelines are connected into the battery cabin and are connected in parallel with the multiple groups of batteries.

8. A cabinet-type energy storage closed compartment according to claim 1, characterized in that: The vertical partition plate and the horizontal partition plate are both fireproof partition plates.

9. A cabinet-type energy storage closed compartment according to claim 1, characterized in that: The electrical cabin door is provided with a heat dissipation grille.

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