An energy storage cabinet for new energy photovoltaic power generation

Abstract

The present invention discloses an energy storage cabinet for new energy photovoltaic power generation, which relates to the technical field of energy storage cabinets and includes a cabinet body and a cabinet door; the cabinet body is a hollow structure with an opening at the front, and a pair of opening doors are arranged on the opening end of the cabinet body through hinges. A vertical partition is fixed inside the cabinet body to divide the inside of the cabinet body into a component chamber and an energy storage chamber. The two cabinet doors are respectively used to close the component chamber and the energy storage chamber, and an assembly frame is installed in the energy storage chamber; the adjustment structure is used to drive the synchronous rise or fall of the same layer, so as to realize the height adjustment of the supporting plate. Through the above operations, the size of the battery pack placement chamber is controlled and adjusted to adapt to battery packs of different thicknesses. Point monitoring is adopted to extinguish fire from the inside of the battery pack to achieve the purpose of fixed-point fire extinguishing, and the lock assembly is automatically unlocked to facilitate subsequent workers to directly extract the battery pack without manual unlocking. The fire extinguishing component does not start when the battery pack is not assembled.

Description

Technical Field

[0001] The present invention relates to the technical field of energy storage cabinets, and particularly to an energy storage cabinet for new energy photovoltaic power generation. Background Art

[0002] A photovoltaic energy storage cabinet is a device for storing, positioning, and isolating and protecting a photovoltaic system in photovoltaic power generation technology. By using the photovoltaic energy storage cabinet, electrical components and connection lines in the photovoltaic energy storage system are typeset and positioned, and are isolated from the environment during operation to prevent damage to system components caused by substances in the external environment and affect normal use.

[0003] However, the existing photovoltaic energy storage cabinets have the following problems when in use: Due to the fixed overall structure of the photovoltaic energy storage cabinet, during the overhaul and repair and replacement of its internal components, the cabinet body causes isolation of the internal structure, affecting the overhaul and replacement operations of the components, resulting in masking and visual field defects caused by isolation in component detection, having limitations in use, causing inconvenience in overhaul operations. At the same time, the thicknesses of battery packs are different. In the existing structure with several holes provided on the frame, bolts are correspondingly inserted into the screw holes and then tightened to achieve adjustment. By inserting into different holes, the distance between adjacent support plates is adjusted to adapt to battery packs of different thicknesses. At the same time, when adjusting, the battery pack needs to be removed first, and then placed back after adjustment. The adjustment method is not convenient enough. In addition, the existing fire extinguishing devices for energy storage cabinets only extinguish fires on a large area inside the cabinet body and cannot achieve pinpoint fire extinguishing. At the same time, the existing fire extinguishing equipment only detects by measuring temperature and detecting sparks. If the battery pack has not been assembled in the energy storage cabinet, the fire extinguishing equipment will start extinguishing when it detects that the temperature exceeds the threshold or there are sparks, resulting in ineffective fire extinguishing and wasting perfluoromethylcyclohexanone materials. Summary of the Invention

[0004] The purpose of the present invention is to provide an energy storage cabinet for new energy photovoltaic power generation to solve the above problems.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] An energy storage cabinet for new energy photovoltaic power generation includes a cabinet body and a cabinet door; the cabinet body is a hollow structure with an opening at the front, and a pair of opening doors are arranged on the opening end of the cabinet body through hinges. A vertical partition is fixed inside the cabinet body to divide the inside of the cabinet body into a component room and an energy storage room. The two cabinet doors are respectively used to close the component room and the energy storage room. An assembly frame is installed in the energy storage room. A plurality of height adjustment components are arranged on the assembly frame from top to bottom. Each group of the height adjustment components is equipped with a support plate, and the space between adjacent support plates forms a battery pack placement room;

[0007] A latch assembly is provided on the supporting plate, and the battery pack is placed in the battery pack placement chamber and engaged with the latch assembly. An air conditioner for a cabinet-type air conditioner is provided on one of the cabinet doors, and a display screen is installed on the other cabinet door. Electrical components connected to the air conditioner for a cabinet-type air conditioner and the display screen are provided in the component chamber;

[0008] The latch assembly includes a sliding plate installed on the slide rail of the supporting plate. A back plate is fixed to one side edge of the sliding plate. A lock seat is fixed to the edge of the supporting plate on the same side as the back plate. The locking rod connected to the back plate is inserted into the lock seat and connected to the locking component. A pressure driving component connected to the locking rod is also installed on the sliding plate.

[0009] Preferably, the electrical components include an inverter and a power distribution bin. The inverter and the power distribution bin are installed side by side vertically in the component chamber. Among them, the input end of the inverter is connected to the wire led out by the photovoltaic panel through an inlet sleeve. The wire connected to the output end of the inverter is connected in series with the battery pack and then connected back to the power distribution bin. Among them, the air conditioner for a cabinet-type air conditioner and the display screen are connected to the power distribution bin through wires.

[0010] Preferably, the assembly frame includes a first frame body, a lead screw, a guide sleeve, and a second frame body. The first frame body and the second frame body are respectively fixed on two symmetrical inner walls of the energy storage chamber. Vertical lead screws and sliding rods are fixed on both the first frame body and the second frame body. The sliding rods are symmetrically arranged with the lead screw as the center. The guide sleeve is sleeved on the sliding rod, and a nut sleeve is engaged with the lead screw.

[0011] Preferably, the height adjustment component includes an adjustment knob, a front side plate, a rear side plate, a worm, a worm gear, and a transmission shaft. The front side plate, the rear side plate, the worm, and the worm gear constitute an adjustment structure. Among them, two sets of adjustment structures are provided and are respectively located on the guide sleeves of the first frame body and the second frame body. The transmission shaft is used to connect the two sets of adjustment structures. An adjustment knob is connected to each adjustment structure, and the adjustment knob is arranged near the cabinet door.

[0012] Preferably, the front side plate and the rear side plate are respectively fixed on the two guide sleeves. The worm gear is sleeved on the outer peripheral surface of the nut sleeve and fixed. The worm is engaged with the worm gear. The two ends of the worm respectively pass through the bearings of the front side plate and the rear side plate. One ends of the two worms are engaged with the two ends of the transmission shaft through bevel gears.

[0013] Preferably, the top surfaces of the nut sleeve and the guide sleeve are flush. Annular grooves are provided on the top circumferential surfaces of the nut sleeve and the guide sleeve. A number of balls are distributed in the annular grooves. A number of ring bodies inserted into the annular grooves are fixed on the bottom surface of the supporting plate, and the ring bodies are supported by the balls.

[0014] Preferably, the locking component comprises an outer locking sleeve, an inner locking sleeve and a locking ball, the outer locking sleeve is located in the lock seat, a separator is fixed inside the outer locking sleeve, the separator separates the inner cavity of the outer locking sleeve into a first cavity and a second cavity, the inner locking sleeve is arranged in the first cavity, a circular hole communicating with the first cavity is opened on the inner locking sleeve, the locking ball is located in the inner locking sleeve and a part of it is inserted into the circular hole;

[0015] An insulating spring is connected between the partition sheet and the inner locking sleeve.

[0016] Preferably, the cross-sections of the outer locking sleeve and the inner locking sleeve where the first chamber is located are trapezoidal, and the locking rod passes through the outer locking sleeve and the inner locking sleeve and is supported by the locking ball.

[0017] Preferably, a fire extinguishing assembly controlled by the locking rod is also installed on the back plate, and the fire extinguishing assembly includes a power rod, a first conductive sheet, a second conductive sheet, a perfluorohexanone fire extinguishing tank, a limiting groove and a slider, the second conductive sheet is located in the second chamber, one end of the power rod penetrates into the lock seat and passes through the second conductive sheet and the separator, the other end of the power rod penetrates into the limiting groove and is fixed to the slider, and the slider is resisted by the spring in the limiting groove;

[0018] The power rod is connected with a flaring ring, and the flaring ring is connected with the second conductive sheet through an insulating spring. The limiting groove is also fixed with a first conductive sheet. The wire connected to the first conductive sheet is connected to the single-chip microcomputer in the control box on the side of the perfluorohexanone fire extinguisher tank. The wire led out of the control box is connected to the second conductive sheet.

[0019] Wires led out of two contacts of a normally open relay in the control box are wound around an iron core, wherein the iron core is fixed on a supporting plate, and a sensor installed on the control box is connected to a single-chip microcomputer in the control box.

[0020] Preferably, the back plate is provided with a strip groove for inserting the locking rod, and the sliding plate is also equipped with a pressure drive assembly connected to the locking rod, the pressure drive assembly includes an inclined block, a connecting rod, a rack and a rotating shaft, a groove is provided on the top surface of the sliding plate, and a channel connected to the groove is provided in the sliding plate, one end of the inclined block is movably connected to an edge of the groove, and the two ends of the connecting rod are respectively movably connected to the rack and the inclined block through a pin shaft, wherein the teeth on the rack are meshed with the gear on the rotating shaft, wherein the rack and the gear are located in the channel, and the rotating shaft is fixed to the locking rod.

[0021] Technical effects and advantages of the present invention:

[0022] 1. Rotating any one of the adjusting knobs drives the worm to rotate. The rotation of the worm drives the synchronous rotation of the worm gear and the transmission shaft. The power is transmitted through the transmission shaft to another adjusting structure on the same layer to drive the synchronous lifting of two screw sleeves on the same side. Since the bottom surface of the supporting plate is supported by multiple screw sleeves and guide sleeves, during the synchronous rising or falling of the same layer, the supporting plate can always maintain a horizontal state during lifting or lowering, thereby realizing the height adjustment of the supporting plate. Through the above operations, the size of the battery pack placement chamber is controlled and adjusted to accommodate battery packs of different thicknesses.

[0023] 2. Only after the battery packs are assembled, the temperature sensors and fire sensors are used to monitor whether there is high temperature or fire in each battery pack placement chamber. If so, the high-pressure gas in the perfluorinated hexanone fire extinguishing tank is mixed with perfluorinated hexanone and sprayed out from the opening. Most of the perfluorinated hexanone enters the corresponding battery pack through the slot holes, and a small part of the perfluorinated hexanone surrounds the outside of the battery pack. Through the above operations, fire extinguishing can be carried out from the inside of the battery pack. By using fixed-point monitoring, a single or multiple perfluorinated hexanone fire extinguishing tanks work simultaneously to achieve the purpose of fixed-point fire extinguishing, and the lock assembly is automatically unlocked to facilitate subsequent workers to directly extract the battery packs without manual unlocking. At the same time, when the battery pack is placed on the sliding plate, the rotating shaft rotates 90° clockwise, and the locking rod rotates out of the strip-shaped groove to connect with the subsequent locking component to achieve locking. When there is no battery pack on the sliding plate, the rotating shaft rotates 90° counterclockwise, and the locking rod rotates into the strip-shaped groove, and the locking rod cannot be inserted into the locking component. When no battery pack is assembled, the fire extinguishing circuit cannot be conducted to achieve the targeted fire extinguishing purpose. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is the overall structure diagram of the present invention;

[0025] Figure 2 is the structure diagram of the battery pack located on the assembly frame when the cabinet door of the present invention is opened;

[0026] Figure 3 is the structure diagram of the assembly frame when the cabinet door of the present invention is opened

[0027] Figure 4 is the structure diagram of the assembly frame of the present invention;

[0028] Figure 5 is the sectional view of the assembly frame of the present invention located inside the cabinet;

[0029] Figure 6 is the connection diagram of the assembly frame and the height adjustment component of the present invention;

[0030] Figure 7 is of the present invention Figure 5 enlarged view of part A;

[0031] Figure 8Structural diagram of the screw sleeve and the lead screw of the present invention;

[0032] Figure 9 Rear view of the battery pack and the latch assembly according to the second embodiment of the present invention;

[0033] Figure 10 Internal structural diagram of the battery pack of the present invention;

[0034] Figure 11 Connection diagram of the latch assembly and the fire extinguishing assembly when the latch assembly is unlocked;

[0035] Figure 12 Diagram of the latch assembly and the fire extinguishing assembly when the latch assembly is locked;

[0036] Figure 13 Explosion diagram of the latch assembly and the fire extinguishing assembly when the latch assembly is locked;

[0037] Figure 14 Diagram of the state when the battery pack of the present invention does not press the pressure driving assembly;

[0038] Figure 15 Diagram of the state when the battery pack of the present invention presses the pressure driving assembly.

[0039] In the figure:

[0040] 1. Cabinet; 11. Partition board; 2. Cabinet door; 21. Cabinet air conditioner; 22. Display screen; 3. Assembly frame; 31. First frame; 32. Lead screw; 33. Guide sleeve; 34. Slide bar; 35. Screw sleeve; 36. Second frame; 4. Height adjustment assembly; 41. Adjusting knob; 42. Front side plate; 43. Rear side plate; 44. Worm; 45. Worm gear; 46. Transmission shaft; 5. Support plate; 51. Ring body; 6. Latch assembly; 61. Slide plate; 62. Back plate; 63. Locking rod; 64. Lock seat; 65. Partition piece; 66. Outer locking sleeve; 67. Inner locking sleeve; 68. Lock ball; 7. Battery pack; 8. Electrical components; 81. Inverter; 82. Power distribution bin; 9. Fire extinguishing assembly; 91. Power rod; 92. First conductive sheet; 93. Second conductive sheet; 94. Perfluorohexanone fire extinguishing tank; 95. Limit groove; 96. Slide block; 10. Pressure driving assembly; 101. Inclined block; 102. Connecting rod; 103. Rack; 104. Rotating shaft. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0042] Embodiment 1:

[0043] Referring to Figures 1 - 8 , for the first embodiment of the present invention, a storage cabinet for new energy photovoltaic power generation is provided. This device includes a cabinet body 1 and a cabinet door 2; the cabinet body 1 is a hollow structure with an open front end, and a pair of opening doors 2 are provided on the open end of the cabinet body 1 through hinges. An air conditioner 21 for the cabinet is provided on one of the cabinet doors 2, and a display screen 22 is installed on the other cabinet door 2. A vertical partition 11 is fixed inside the cabinet body 1 to divide the inside of the cabinet body 1 into a component chamber and a storage chamber. The two cabinet doors 2 are respectively used to close the component chamber and the storage chamber. An assembly frame 3 is installed in the storage chamber. A plurality of height adjustment components 4 are arranged on the assembly frame 3 from top to bottom. Each group of height adjustment components 4 is equipped with a supporting plate 5, and the space between adjacent supporting plates 5 forms a battery pack placement chamber;

[0044] Electrical components 8 connected to the cabinet air conditioner 21 and the display screen 22 are arranged in the component chamber. The electrical components 8 include an inverter 81 and a power distribution bin 82. The inverter 81 and the power distribution bin 82 are installed side by side vertically in the component chamber. Among them, the input end of the inverter 81 is connected to the wire led out from the photovoltaic panel through an inlet sleeve, and the wire connected to the output end of the inverter 81 is connected in series with the battery pack 7 and then connected back to the power distribution bin 82. Among them, the cabinet air conditioner 21 and the display screen 22 are connected to the power distribution bin 82 through wires.

[0045] When there is sunlight, the photovoltaic panel converts solar energy into electrical energy. The solar energy is converted into direct current and transmitted to the inverter 81. After being converted into alternating current, it charges the battery pack 7 for energy storage. At the same time, the power distribution bin 82 distributes the electrical energy of the battery pack 7 to each load to achieve the purpose of power supply.

[0046] The cabinet door 2 is opened or closed through the hinge to realize the opening or closing of the storage cabinet. The separated component chamber and storage chamber are used to place different devices in the storage cabinet. The assembled plurality of height adjustment components 4 are used to be able to directionally adjust each supporting plate 5 to display the state of the battery pack 7 inserted into the battery pack placement chamber, so that it can be adjusted according to the thickness of different battery packs 7 as required.

[0047] The assembly frame 3 includes a first frame body 31, a lead screw 32, a guide sleeve 33 and a second frame body 36. The first frame body 31 and the second frame body 36 are respectively fixed on two symmetrical inner walls of the storage chamber. Vertical lead screws 32 and slide rods 34 are fixed on both the first frame body 31 and the second frame body 36. The slide rods 34 are symmetrically arranged with the lead screw 32 as the center. The guide sleeve 33 is sleeved on the slide rod 34, and a nut sleeve 35 is engaged with the lead screw 32.

[0048] The first frame body 31 and the second frame body 36 adopt a steel structure, which increases the strength of the cabinet body 1. Two lead screws 32 and one slide bar 34 form a set of guiding and supporting structures. The surface of the slide bar 34 is smooth, and the guiding sleeve 33 slides along the slide bar 34, while the nut sleeve 35 rotates around the lead screw 32 to realize the rising or falling of the nut sleeve 35.

[0049] The height adjustment assembly 4 includes an adjustment knob 41, a front side plate 42, a rear side plate 43, a worm 44, a worm gear 45 and a transmission shaft 46. The front side plate 42, the rear side plate 43, the worm 44 and the worm gear 45 constitute an adjustment structure. Among them, two sets of adjustment structures under the supporting plate 5 are arranged on the guiding sleeves 33 of the first frame body 31 and the second frame body 36 respectively. The transmission shaft 46 is used to connect the two sets of adjustment structures. An adjustment knob 41 is connected to each adjustment structure, and the adjustment knob 41 is arranged near the cabinet door 2.

[0050] The top surfaces of the nut sleeve 35 and the guiding sleeve 33 are flush. Ring grooves are provided on the top circumferences of the nut sleeve 35 and the guiding sleeve 33, and a number of balls are distributed in the ring grooves. A number of ring bodies 51 inserted into the ring grooves are fixed on the bottom surface of the supporting plate 5. The ring bodies 51 are supported by the balls. The nut sleeve 35 will rotate under the drive of the worm gear 45 and the worm 44. Since the ring bodies 51 are fixed on the supporting plate 5, the ring bodies 51 will not rotate. The rotation friction is reduced by the balls. The rotation of the nut sleeve 35 will not affect the ring bodies 51, and the lifting of the nut sleeve 35 can drive the supporting plate 5 to rise or fall synchronously.

[0051] The front side plate 42 and the rear side plate 43 are respectively fixed on the two guiding sleeves 33. The worm gear 45 is sleeved and fixed on the outer circumferential surface of the nut sleeve 35. The worm 44 meshes with the worm gear 45. The two ends of the worm 44 respectively pass through the bearings of the front side plate 42 and the rear side plate 43. One ends of the two worms 44 are meshed with the two ends of the transmission shaft 46 through bevel gears.

[0052] The horizontal heights of the two adjustment structures under the supporting plate 5 are the same. Since the two adjustment structures on the same layer are connected by the transmission shaft 46, any one adjustment knob 41 on the same layer can be used to realize the synchronous rising or falling of the two adjustment structures on the same layer.

[0053] Among them, taking a set of adjustment structures as an example, the provided front side plate 42 and rear side plate 43 are used to provide support for the guiding sleeve 33, and the two ends of the worm 44 are fixed on the front side plate 42 and the rear side plate 43, so that the worm 44 can always maintain a horizontal state during the lifting process. The worm 44 meshes with the worm gear 45, so the worm 44 can drive the nut sleeve 35 on the worm gear 45 to rotate during the rotation process. The two ends of the nut sleeve 35 are connected to the guiding sleeves 33 on both sides through side rods. Therefore, during the lifting process of the nut sleeve 35, the guiding sleeves 33 on both sides are driven to rise or fall synchronously, and the worm 44 follows the worm gear 45 to rise or fall synchronously. The worm 44 and the worm gear 45 always maintain a meshing state;

[0054] The rotation of any one of the adjustment knobs 41 is used to drive the worm 44 to rotate, and the rotation of the worm 44 drives the worm wheel 45 and the transmission shaft 46 to rotate synchronously. The power is transmitted to another adjustment structure on the same layer through the transmission shaft 46, which is used to drive the two screw sleeves 35 on the same side to rise and fall synchronously. Since the bottom surface of the support plate 5 is supported by the screw sleeve 35 and the guide sleeve 33 at many places, the same layer rises or falls synchronously, and the support plate 5 can always maintain a horizontal state when rising or falling.

[0055] After rotating to the specified position, the adjusting knob 41 stops rotating, and the threads of the screw rod 32 and the screw sleeve 35 are used to achieve the purpose of self-locking. After the screw sleeve 35 rotates without power, the position of the screw sleeve 35 on the screw rod 32 is limited, thereby achieving the height adjustment of the supporting plate 5. The above operation is used to control and adjust the size of the battery pack placement chamber to accommodate battery packs 7 of different thicknesses.

[0056] Embodiment 2:

[0057] Reference Figures 8 - 13 , which is the second embodiment of the present invention, a locking assembly 6 is provided on the supporting plate 5, and the battery pack 7 is placed in the battery pack placement chamber and engaged with the locking assembly 6; the locking assembly 6 includes a sliding plate 61, a back plate 62, a locking rod 63 and a locking seat 64, the sliding plate 61 is installed on the slide rail of the supporting plate 5, the back plate 62 is fixed on one side edge of the sliding plate 61, and a locking seat 64 is fixed on the edge of the supporting plate 5 and the back plate 62 on the same side, and the locking rod 63 connected to the back plate 62 is inserted into the locking seat 64 and connected to the locking component, when the battery pack 7 has not been assembled in the cabinet 1, the sliding plate 61;

[0058] The locking component includes an outer locking sleeve 66, an inner locking sleeve 67 and a locking ball 68. The outer locking sleeve 66 is located in the lock seat 64. A separator 65 is fixed inside the outer locking sleeve 66. The separator 65 separates the inner cavity of the outer locking sleeve 66 into a first cavity and a second cavity. The inner locking sleeve 67 is arranged in the first cavity. A circular hole communicating with the first cavity is opened on the inner locking sleeve 67. The locking ball 68 is located in the inner locking sleeve 67 and a part of it is inserted into the circular hole.

[0059] An insulating spring is connected between the partition sheet 65 and the inner locking sleeve 67 .

[0060] The cross-sections of the outer locking sleeve 66 and the inner locking sleeve 67 where the first chamber is located are trapezoidal, and the locking rod 63 passes through the outer locking sleeve 66 and the inner locking sleeve 67 and is supported by the locking ball 68 .

[0061] The locking rod 63 is inserted into the outer locking sleeve 66 and the inner locking sleeve 67. The movement of the locking rod 63 in the inner locking sleeve 67 will push the locking ball 68 to slide along the round hole and contact the inner wall of the outer locking sleeve 66, and can push the inner locking sleeve 67 to move a certain distance. The locking rod 63 passes through the three locking balls 68, and the elastic force of the spring presses the separator 65. Then the three locking balls 68 cooperate with the outer locking sleeve 66 to lock the locking rod 63. At this time, the locking purpose is achieved, and the sliding plate 61 cannot be pulled outward, and the position locking of the sliding plate 61 is completed. The iron core is fixed on the supporting plate 5, and the wires led out of the two contacts of the normally open relay in the control box are wound around the iron core, and the iron core is fixed on the supporting plate 5.

[0062] At the same time, the normally open relay is in a disconnected state when it is not energized, so the wire wrapped around the iron core is in a short circuit, and the iron core cannot unlock the locking component. When unlocking is required, the normally open relay is manually opened through a corresponding switch set externally, and the wires of the two contacts are energized, and the iron core generates a magnetic shape to attract the inner locking sleeve 67. The inner locking sleeve 67 moves toward the direction of the iron core. At this time, the three locking balls 68 continue to move into the circular hole, and the locking balls 68 are disengaged from the locking rod 63. At this time, the unlocking is completed, the sliding plate 61 can be pulled out, and the locking rod 63 is disengaged from the lock seat 64 to unlock the battery pack 7.

[0063] This embodiment discloses a fire extinguishing assembly 9 controlled by a locking rod 63, wherein the fire extinguishing assembly 9 is mounted on a back plate 62, and comprises a power rod 91, a first conductive sheet 92, a second conductive sheet 93, a perfluorohexanone fire extinguishing tank 94, a limiting groove 95 and a slider 96, wherein the second conductive sheet 93 is located in the second chamber, one end of the power rod 91 penetrates into the lock seat 64 and passes through the second conductive sheet 93 and the partition sheet 65, and the other end of the power rod 91 penetrates into the limiting groove 95 and is fixed to the slider 96, and the slider 96 is supported by a spring in the limiting groove 95;

[0064] A flaring ring is connected to the power rod 91, and the flaring ring is connected to the second conductive sheet 93 through an insulating spring. A first conductive sheet 92 is also fixed to the limit groove 95. The wire connected to the first conductive sheet 92 is connected to the single-chip microcomputer in the control box on the side of the perfluorohexanone fire extinguisher tank 94. The wire led out of the control box is connected to the second conductive sheet 93. The power rod 91 adopts a conductive structure. The power rod 91, the second conductive sheet 93, the first conductive sheet 92 and the temperature sensor constitute a fire extinguishing circuit.

[0065] Each supporting plate 5 is provided with a fire extinguishing component. Since the space between adjacent supporting plates 5 forms a battery pack placement chamber, each battery pack placement chamber is provided with a sensor connected to the single-chip microcomputer in the control box. When the battery pack 7 is not assembled and the locking rod 63 is not inserted, the insulating spring pushes the flared ring against the partition piece 65. At this time, the flared ring and the second conductive sheet 93 are separated, and at the same time, the first conductive sheet 92 is separated from the power lever 91, and the fire extinguishing circuit is disconnected, so there is no need to detect whether the battery pack 7 is on fire.

[0066] The sensor installed on the control box is connected to the single-chip microcomputer in the control box. The sensor adopts existing temperature sensors and fire sensors. Whether there is high temperature or fire in each battery pack placement chamber is monitored through the temperature sensors and fire sensors. If it occurs, the sensor transmits the data back to the single-chip microcomputer. The single-chip microcomputer controls the solenoid valve opening at the opening of the perfluorinated hexanone fire extinguishing tank 94 wirelessly. Then, the high-pressure gas in the perfluorinated hexanone fire extinguishing tank 94 is mixed with perfluorinated hexanone and sprayed out from the opening. A slot corresponding to the opening of the perfluorinated hexanone fire extinguishing tank 94 is opened on the back surface of the battery pack 7. Most of the perfluorinated hexanone enters the corresponding battery pack 7 through the slot, and a small part of the perfluorinated hexanone surrounds the outside of the battery pack 7. Through the above operations, it is possible to extinguish the fire from the inside of the battery pack 7. By adopting fixed-point monitoring and having a single or multiple perfluorinated hexanone fire extinguishing tanks 94 work simultaneously, the purpose of fixed-point fire extinguishing can be achieved.

[0067] The sensor installed on the control box is connected to the single-chip microcomputer in the control box. When the temperature sensor and the fire sensor detect high temperature or fire, the normally open relay connected to the single-chip microcomputer is energized, and the lock ball 68 and the locking rod 63 are automatically unlocked, so that it is convenient for subsequent staff to directly draw out the battery pack 7 without manual unlocking.

[0068] Embodiment 3:

[0069] Refer to Figures 14 - 15 On the back plate 62, a strip-shaped groove for inserting the locking rod 63 is provided. A pressure driving component 10 connected to the locking rod 63 is further installed on the sliding plate 61. The pressure driving component 10 includes an inclined block 101, a connecting rod 102, a rack 103 and a rotating shaft 104. A groove is provided on the top surface of the sliding plate 61, and a channel communicating with the groove is provided in the sliding plate 61. One end of the inclined block 101 is movably connected to one edge of the groove. The two ends of the connecting rod 102 are respectively movably connected to the rack 103 and the inclined block 101 through pin shafts. Among them, the teeth on the rack 103 mesh with the gear on the rotating shaft 104. Among them, the rack 103 and the gear are located in the channel. The rotating shaft 104 is fixed to the locking rod 63, and the bottom surface of the inclined block 101 contacts the bottom surface of the groove through a spring.

[0070] When the battery pack 7 is placed on the sliding plate 61, the inclined surface of the inclined block 101 faces the position of the cabinet door 2. When the battery pack 7 is assembled on the sliding plate 61, passing through the inclined block 101 will drive the inclined block 101 to rotate around the axis, compress the spring, and pull the connecting rod 102 and the rack 103 to move towards the inclined block 101. At this time, the rotating shaft 104 rotates clockwise by 90°, and the locking rod 63 is screwed out from the strip-shaped groove to be connected to the subsequent locking component to achieve locking.

[0071] When there is no battery pack 7 on the sliding plate 61, under the elastic force of the spring, the inclined block 101 rotates reversely around the axis to exceed the top surface of the sliding plate 61. The connecting rod 102 pushes the rack 103 to move towards the gear direction, and the rotating shaft 104 rotates counterclockwise by 90° and rotates to Figure 14 the position where the locking rod 63 is screwed into the strip-shaped groove, and the locking rod 63 cannot be inserted into the locking component, so that when the battery pack 7 is not assembled, the fire extinguishing circuit cannot be conducted.

[0072] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new energy photovoltaic power generation energy storage cabinet, comprising a cabinet body (1) and a cabinet door (2); the cabinet body (1) is a hollow structure with an opening at the front, and a cabinet door (2) for opening on both sides is provided on the opening end of the cabinet body (1) through a hinge, characterized in that: A vertical partition (11) is fixed inside the cabinet (1) for separating the cabinet (1) into a component room and an energy storage room. Two cabinet doors (2) are used to close the component room and the energy storage room respectively. An assembly frame (3) is installed in the energy storage room. The assembly frame (3) is provided with a plurality of height adjustment components (4) from top to bottom. Each group of the height adjustment components (4) is provided with a support plate (5). The space between adjacent support plates (5) constitutes a battery pack placement room. A locking assembly (6) is provided on the supporting plate (5); a battery pack (7) is placed in the battery pack placement chamber and engages with the locking assembly (6); a cabinet air conditioner (21) is provided on one of the cabinet doors (2); a display screen (22) is installed on the other cabinet door (2); and an electrical component (8) connected to the cabinet air conditioner (21) and the display screen (22) is provided in the component chamber; The lock assembly (6) comprises a sliding plate (61) mounted on a slide rail of a supporting plate (5), a back plate (62) fixed on one side edge of the sliding plate (61), a lock seat (64) fixed on the edge on the same side of the supporting plate (5) and the back plate (62), a locking rod (63) connected to the back plate (62) inserted into the lock seat (64) and connected to the locking component, and a pressure drive assembly (10) connected to the locking rod (63) is also mounted on the sliding plate (61); A fire extinguishing assembly (9) controlled by the locking rod (63) is also mounted on the back plate (62). The fire extinguishing assembly (9) comprises a power rod (91), a first conductive sheet (92), a second conductive sheet (93), a perfluorohexanone fire extinguishing tank (94), a limiting groove (95) and a sliding block (96). The second conductive sheet (93) is located in the second chamber. One end of the power rod (91) penetrates into the locking seat (64) and passes through the second conductive sheet (93) and the partition sheet (65). The other end of the power rod (91) penetrates into the limiting groove (95) and is fixed to the sliding block (96). The sliding block (96) is supported by a spring in the limiting groove (95). The power rod (91) is connected to a flaring ring, and the flaring ring and the second conductive sheet (93) are connected via an insulating spring. The limiting groove (95) is also fixed with a first conductive sheet (92). A wire connected to the first conductive sheet (92) is connected to a single-chip microcomputer in a control box on the side of the perfluorohexanone fire extinguisher tank (94). A wire led out from the control box is connected to the second conductive sheet (93).

2. A new energy photovoltaic power generation energy storage cabinet according to claim 1, characterized in that: The electrical component (8) comprises an inverter (81) and a power distribution compartment (82), wherein the inverter (81) and the power distribution compartment (82) are installed side by side in the component room, wherein the input end of the inverter (81) is connected to the wire led out of the photovoltaic panel through the wire inlet sleeve, and the battery group (7) connected to the wire in series at the output end of the inverter (81) is connected back to the power distribution compartment (82), wherein the cabinet air conditioner (21) and the display screen (22) are connected to the power distribution compartment (82) through the wire.

3. A new energy photovoltaic power generation energy storage cabinet according to claim 2, characterized in that: The assembly frame (3) comprises a first frame (31), a screw rod (32), a guide sleeve (33) and a second frame (36). The first frame (31) and the second frame (36) are respectively fixed to two symmetrical inner walls of the energy storage chamber. A vertical screw rod (32) and a slide rod (34) are fixed to the first frame (31) and the second frame (36). The slide rod (34) is symmetrically arranged with the screw rod (32) as the center. The guide sleeve (33) is sleeved on the slide rod (34), and a screw sleeve (35) is meshed on the screw rod (32).

4. A new energy photovoltaic power generation energy storage cabinet according to claim 3, characterized in that: The height adjustment assembly (4) comprises an adjustment knob (41), a front side plate (42), a rear side plate (43), a worm (44), a worm wheel (45) and a transmission shaft (46); the front side plate (42), the rear side plate (43), the worm (44) and the worm wheel (45) constitute an adjustment structure, wherein two groups of adjustment structures are arranged on the guide sleeves (33) of the first frame (31) and the second frame (36), respectively; the transmission shaft (46) is used to connect the two groups of adjustment structures; each adjustment structure is connected to an adjustment knob (41), and the adjustment knob (41) is arranged near the cabinet door (2).

5. A new energy photovoltaic power generation energy storage cabinet according to claim 4, characterized in that: The front side plate (42) and the rear side plate (43) are respectively fixed on the two guide sleeves (33); the worm wheel (45) is fixed on the outer peripheral surface of the screw sleeve (35); the worm (44) is meshed with the worm wheel (45); two ends of the worm (44) pass through the bearings of the front side plate (42) and the rear side plate (43); one end of the two worms (44) is meshed with two ends of the transmission shaft (46) through a bevel gear.

6. A new energy photovoltaic power generation energy storage cabinet according to claim 5, characterized in that: The top surfaces of the screw sleeve (35) and the guide sleeve (33) are flush, and an annular groove is provided on the top circumference of the screw sleeve (35) and the guide sleeve (33), and a plurality of balls are distributed in the annular groove. A plurality of ring bodies (51) inserted into the annular groove are fixed on the bottom surface of the support plate (5), and the ring bodies (51) are supported by the balls.

7. A new energy photovoltaic power generation energy storage cabinet according to claim 6, characterized in that: The locking component comprises an outer locking sleeve (66), an inner locking sleeve (67) and a locking ball (68); the outer locking sleeve (66) is located in the lock seat (64); a partition sheet (65) is fixed inside the outer locking sleeve (66); the partition sheet (65) partitions the inner cavity of the outer locking sleeve (66) into a first cavity and a second cavity; the inner locking sleeve (67) is arranged in the first cavity; a circular hole communicating with the first cavity is opened on the inner locking sleeve (67); the locking ball (68) is located in the inner locking sleeve (67) and a part of it is inserted into the circular hole; An insulating spring is connected between the separation sheet (65) and the inner locking sleeve (67).

8. The energy storage cabinet for new energy photovoltaic power generation according to claim 7, characterized in that: The cross-sections of the outer locking sleeve (66) and the inner locking sleeve (67) where the first chamber is located are trapezoidal, and the locking rod (63) passes through the outer locking sleeve (66) and the inner locking sleeve (67) and is supported by the locking ball (68).

9. A new energy photovoltaic power generation energy storage cabinet according to claim 8, characterized in that: The wires led out from the two contacts of the normally open relay in the control box are wound around an iron core, wherein the iron core is fixed on a supporting plate (5), and a sensor installed on the control box is connected to a single chip microcomputer in the control box.

10. A new energy photovoltaic power generation energy storage cabinet according to claim 9, characterized in that: A strip groove is provided on the back plate (62) for inserting the locking rod (63). The pressure drive assembly (10) comprises an inclined block (101), a connecting rod (102), a rack (103) and a rotating shaft (104). A groove is provided on the top surface of the sliding plate (61), and a channel connected to the groove is provided in the sliding plate (61). One end of the inclined block (101) is movably connected to an edge of the groove. Two ends of the connecting rod (102) are movably connected to the rack (103) and the inclined block (101) via a pin, respectively. The teeth on the rack (103) mesh with the gear on the rotating shaft (104). The rack (103) and the gear are located in the channel, and the rotating shaft (104) is fixed to the locking rod (63).

Images