CN116347877A

CN116347877A - Three-level bidirectional energy storage alternating current device and application method thereof

Info

Publication number: CN116347877A
Application number: CN202310617844.XA
Authority: CN
Inventors: 祁富俊; 查宏胜; 杨宁
Original assignee: Suzhou Junhao Electric Power Co ltd
Current assignee: Suzhou Junhao Electric Power Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-06-27
Anticipated expiration: 2043-05-30
Also published as: CN116347877B

Abstract

The invention relates to the technical field of energy storage alternators, in particular to a three-level bidirectional energy storage alternating current device and a use method thereof, wherein the three-level bidirectional energy storage alternating current device comprises a plurality of mutually connected combined installation frames and a plurality of unit electrical cabinets horizontally arranged on the combined installation frames, and the three-level bidirectional energy storage alternating current device further comprises: the closed electrical bin is arranged in the unit electrical cabinet, and U-shaped heat conducting blocks are embedded in the side walls and the rear wall of the left side and the right side of the closed electrical bin. The heat radiation mechanism of the invention not only has the U-shaped heat conduction block and the heat radiation back plate which are independently arranged on each unit electric cabinet, but also is provided with the enhanced heat radiation frame which can be adjusted in a sliding way, the enhanced heat radiation frame is embedded into the sliding connection groove through the horizontal fins and is in sliding connection with the back plate fins so as to improve the total heat radiation power and the efficiency of the connected corresponding heat radiation back plate, and the enhanced heat radiation frame can slide horizontally so as to be embedded into the heat radiation back plates arranged in the unit electric cabinets at different positions, thereby being convenient for adjustment and use according to the actual heat radiation requirement, and being more flexible and convenient in use.

Description

Three-level bidirectional energy storage alternating current device and application method thereof

Technical Field

The invention relates to the technical field of energy storage alternators, in particular to a three-level bidirectional energy storage alternating current device and a use method thereof.

Background

The energy storage AC device is mainly used for converting direct current electric energy stored by a battery into alternating current and outputting the alternating current electric energy to a power grid, or converting alternating current electric energy of the power grid into direct current and storing the direct current electric energy into the battery, so that charge and discharge control of the battery is realized, parameters such as voltage and frequency of the power grid are adjusted, the load of the power grid is balanced, and the reliability and the safety of the power grid are improved.

The patent with the application number of CN202210620943.9 discloses an energy storage bidirectional AC-DC converter, which comprises a cabinet body, wherein the cabinet body comprises a front panel, a rear panel and side cabinet doors which are fixed at the front and rear sides of a vertical support frame, the two sides of the cabinet body are symmetrically arranged, a support base is arranged below the vertical support frame, an upper top plate is arranged above the vertical support frame, and a DC circuit, an AC circuit and an AD/DC power unit are arranged in the cabinet body; the front panel and the rear panel are provided with ventilation otter boards which are oppositely arranged in the center position, and an air path is formed between the two ventilation otter boards, so that the pressure intensity can be reduced by improving the flow speed, the rapid heat dissipation can be realized, one end of the side cabinet door is rotationally connected with the vertical support frame, the other end of the side cabinet door is not fixed, the heat dissipation mode of the adjusting device can be adjusted, and a stronger heat dissipation effect can be provided.

However, because the energy storage alternators are generally matched with the energy storage battery packs for use, in order to maintain the reliability and redundancy of the system, one set of energy storage battery packs usually needs to be provided with single or multiple matched energy storage alternators, and one energy storage power station is matched with multiple sets of energy storage battery packs, so that the energy storage alternators are generally used in parallel in a plurality of sets when being installed and used, and are usually adjacently installed and configured together for convenient maintenance, each energy storage alternators is independently provided with a corresponding heat dissipation structure and a corresponding system, but in the operation process of the multiple sets of energy storage alternators, each energy storage alternators can not operate in a full period of time, but the operation state is dynamically adjusted according to the load condition, the working mode and the like, but the equipment mechanism arranged by the current energy storage alternators cannot distribute heat dissipation power according to the operation state of the energy storage alternators, so that the whole heat dissipation structure and the power surplus of the energy storage alternators are wasted.

Disclosure of Invention

In view of the above, the present invention provides a three-level bidirectional energy storage ac device and a method for using the same, so as to solve the problems that the existing device mechanism of the energy storage ac device cannot distribute heat dissipation power according to the operation state of the energy storage ac device, resulting in the overall heat dissipation structure of the energy storage ac device and excessive and wasted power.

Based on the above object, the present invention provides a three-level bidirectional energy storage ac device, which includes a plurality of interconnected combined installation frames and a plurality of unit electrical cabinets horizontally arranged on the combined installation frames, and further includes:

the closed electric bin is arranged in the unit electric cabinet, U-shaped heat conducting blocks are embedded in the side walls and the rear wall of the left side and the right side of the closed electric bin, U-shaped heat conducting pipes are arranged in the U-shaped heat conducting blocks, a plurality of U-shaped fins are arranged on the inner sides of the U-shaped heat conducting blocks, and the U-shaped fins are uniformly arranged along the vertical central line direction of the U-shaped heat conducting blocks;

the heat dissipation backboard is arranged on the rear side of the U-shaped heat conduction block in a bonding mode, a plurality of vertical heat conduction pipes are arranged in the middle of the heat dissipation backboard, a plurality of backboard fins are uniformly and horizontally arranged on the rear wall of the heat dissipation backboard along the vertical central line direction, sliding connecting grooves are formed between the adjacent backboard fins, and translation guide rails are arranged on the upper side and the lower side of the heat dissipation backboard in parallel;

the reinforced heat dissipation frame is arranged between the translation guide rails in a sliding manner, a plurality of heat dissipation heat pipes are arranged in the middle of the reinforced heat dissipation frame, a plurality of horizontal fins are uniformly and horizontally arranged on the outer sides of the heat dissipation heat pipes along the vertical central line direction, the reinforced heat dissipation frame is in sliding connection with the back plate fins through horizontal fins embedded in the sliding connection grooves, and a heat dissipation fan is arranged on the rear sides of the horizontal fins.

Further, the inside of sealed electrical warehouse is provided with a plurality of electrical installation frame, electrical installation frame's centre is provided with the heat conduction mounting panel, the left and right sides and the rear side of heat conduction mounting panel all are provided with the edge heat conduction board, the outside parallel arrangement of edge heat conduction board has a plurality of edge fins, constitutes the gomphosis mounting groove between the adjacent U type fin, and electrical installation frame passes through sliding connection between edge fin embedding gomphosis mounting groove and the U type fin and installs and erect on the U type heat conduction piece.

Further, the upper and lower ends of reinforcing heat dissipation frame all are provided with the direction slider, the reinforcing heat dissipation frame passes through the direction slider with translation guide rail sliding connection, the centre of direction slider is provided with the translation rack, the centre of translation guide rail is provided with the translation gear, the axle head of translation gear is provided with translation motor, the translation gear with intermesh between the translation rack.

Further, the embedding is provided with the interval heat insulation frame between the adjacent unit regulator cubicles that sets up, the rear end of interval heat insulation frame is provided with the level and accomodates the cover, the inboard nested slip of level accomodates the cover is provided with the interlocking heat conduction piece, the front side connection of interlocking heat conduction piece is provided with the hydraulic telescoping rod, the even horizontal arrangement of left and right sides lateral wall of interlocking heat conduction piece is provided with a plurality of interlocking gomphosis pieces along vertical central line direction, the even horizontal arrangement of left and right sides lateral wall of heat dissipation backplate is provided with a plurality of interlocking gomphosis grooves along vertical central line direction, interlocking gomphosis groove with size mutually support between the interlocking gomphosis piece, interlocking heat conduction piece passes through interlocking gomphosis piece with interlocking gomphosis groove gomphosis sliding connection.

Further, the middle of interval thermal-insulated frame is provided with the central heat conduction cover, the left and right sides symmetry parallel arrangement of interval thermal-insulated frame has the interlocking heat conduction board, the inside left and right sides of central heat conduction cover is all nested the slip and is provided with the drive piston, the outside of drive piston is provided with horizontal piston rod, the outer end of the horizontal piston rod that the left and right sides set up respectively with the interlocking heat conduction board interconnect of left and right sides symmetry, be provided with a plurality of interlocking fins along vertical central line direction even horizontal arrangement in the middle of the inside wall of interlocking heat conduction board, through interlocking fin mutual gomphosis sliding connection between the interlocking heat conduction board that the bilateral symmetry set up.

Further, be provided with the heat conduction lateral wall in the middle of the left and right sides wall of unit regulator cubicle, the inboard of heat conduction lateral wall with U type heat conduction piece laminating each other, the outside of heat conduction lateral wall is provided with a plurality of lateral wall gomphosis grooves along vertical central line direction even horizontal arrangement, be provided with a plurality of gomphosis heat conduction strips along vertical central line direction even horizontal arrangement in the middle of the lateral wall of interlocking heat-conducting plate, gomphosis heat conduction strip with the size is mutually supported between the lateral wall gomphosis groove, interlocking heat-conducting plate passes through gomphosis heat conduction strip with lateral wall gomphosis groove with heat conduction lateral wall gomphosis sliding connection.

Further, both ends are provided with gomphosis connecting block and gomphosis spread groove respectively about the combination mounting bracket, the gomphosis connecting block with size mutually support between the gomphosis spread groove, slide gomphosis connection each other through gomphosis connecting block and gomphosis spread groove between the combination mounting bracket, the centre of gomphosis spread groove is provided with locking bolt, locks through locking bolt interconnect between gomphosis connecting block and the gomphosis spread groove.

Further, the centre of combination mounting bracket is provided with the slip mounting groove, the horizontal central line of slip mounting groove with mutually perpendicular between the horizontal central line of combination mounting bracket, the bottom of unit regulator cubicle is provided with the slip mounting bracket, the unit regulator cubicle passes through the slip mounting bracket with the slip mounting groove sliding connection that the centre of combination mounting bracket set up, the unit regulator cubicle with pass through between the combination mounting bracket the slip mounting bracket with mutual composite connection between the slip mounting groove, the front end of slip mounting groove is provided with locking spout, the vertical gomphosis slip in centre of locking spout is provided with locking dog, locking dog's below is provided with locking spring.

Further, the middle level of combination mounting bracket is provided with the horizontal line pipe, the left and right sides both ends of horizontal line pipe are provided with gomphosis port and gomphosis sleeve respectively, the gomphosis port with the size is mutually supported between the gomphosis sleeve, pass through between the horizontal line pipe gomphosis port with the mutual nested connection of gomphosis sleeve, the centre of horizontal line pipe is provided with vertical line pipe, the outside nested slip of vertical line pipe is provided with the slip adapter sleeve, the below of slip adapter sleeve is provided with the closing spring, the bottom of unit regulator cubicle is provided with the line adapter sleeve, the unit regulator cubicle install to when on the combination mounting bracket, the line adapter sleeve is located vertical line pipe directly over, through the mutual nested connection of slip adapter sleeve between line adapter sleeve and the vertical line pipe.

The application method of the three-level bidirectional energy storage alternating current device comprises the following steps:

the electric elements are installed through the closed electric bins inside the unit electric cabinets, the U-shaped fins arranged in the middle of the closed electric bins absorb heat emitted by the electric elements and are conducted to the heat-radiating back plate through the U-shaped heat conducting blocks, and then the heat is emitted to the outside of the unit electric cabinets through the back plate fins on the heat-radiating back plate so as to radiate the electric elements.

The invention has the beneficial effects that: according to the three-level bidirectional energy storage alternating current device, the three-level bidirectional energy storage alternating current device is formed by combining and connecting a plurality of unit electrical cabinets, the unit electrical cabinets are provided with electrical elements through inner closed electrical cabins, the plurality of U-shaped fins arranged in the middle of the closed electrical cabins absorb heat of the electrical elements and are conducted to the radiating back plate through the U-shaped heat conducting blocks, the heat is dissipated to the outside of the unit electrical cabinets through the back plate fins on the radiating back plate so as to realize heat dissipation of the electrical elements, the radiating mechanism of the energy storage alternating current device is provided with the U-shaped heat conducting blocks and the radiating back plate which are independently arranged in each unit electrical cabinet, and is further provided with the enhanced radiating frame which can be slidably adjusted, so that the enhanced radiating frame is embedded into the sliding connecting grooves and is slidably connected with the back plate fins through the horizontal fins to improve the total heat dissipation power and the efficiency of the connected corresponding radiating back plate, and the enhanced radiating frame can horizontally slide so as to be embedded into the radiating back plates arranged in the unit electrical cabinets at different positions, and therefore the radiating back plate arranged in the unit electrical cabinets can be conveniently adjusted and used according to actual radiating requirements.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a single unit electrical cabinet in use according to an embodiment of the present invention;

FIG. 2 is a schematic diagram showing a front structure of a combination state of a plurality of unit electrical cabinets according to an embodiment of the present invention;

FIG. 3 is a schematic view showing a back structure of a combination state of a plurality of unit cabinets according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the bottom of a unit electrical cabinet according to an embodiment of the invention;

FIG. 5 is a schematic view of the rear side of a unit electrical cabinet according to an embodiment of the invention;

FIG. 6 is a schematic view showing the structure of the inside of a unit electric cabinet according to an embodiment of the present invention;

FIG. 7 is a schematic diagram illustrating a combined state of a plurality of combined mounting frames according to an embodiment of the present invention;

FIG. 8 is a schematic view of a combined mounting frame according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a U-shaped heat conducting block according to an embodiment of the present invention;

fig. 10 is a schematic view of the structure of an electrical installation frame according to an embodiment of the present invention;

FIG. 11 is a schematic diagram illustrating a connection state between a heat dissipating back plate and a reinforced heat dissipating rack according to an embodiment of the present invention;

FIG. 12 is a schematic view of a structure of a spacer insulator rack according to an embodiment of the present invention;

FIG. 13 is a schematic view showing an exploded structure of a spacer insulator according to an embodiment of the present invention;

fig. 14 is a schematic structural view showing a connection state of the interlocking heat conducting plate and the heat conducting side wall according to the embodiment of the invention.

Marked in the figure as:

1. a unit electrical cabinet; 101. a sliding mounting rack; 102. the wiring connecting sleeve; 2. a combined mounting frame; 201. fitting the connecting block; 202. a fitting connection groove; 203. a locking bolt; 204. a sliding mounting groove; 205. a locking chute; 206. a locking stop; 207. a locking spring; 3. a horizontal wiring pipe; 301. a fitting port; 302. fitting the sleeve; 303. a vertical wiring tube; 304. sliding the connecting sleeve; 305. a closing spring; 4. closing the electrical bin; 401. a thermally conductive sidewall; 402. a side wall fitting groove; 403. closing the temperature sensing tube; 5. u-shaped heat conducting blocks; 501. u-shaped heat conducting pipes; 502. u-shaped fins; 503. fitting the mounting groove; 6. a heat dissipation back plate; 601. vertical heat conduction pipes; 602. a back plate fin; 603. a sliding connection groove; 604. a interlocking engagement groove; 605. translating the guide rail; 606. a translation gear; 607. a translation motor; 7. an electrical mounting rack; 701. a thermally conductive mounting plate; 702. an edge heat-conducting plate; 703. edge fins; 8. enhancing the heat dissipation frame; 801. a heat-dissipating heat pipe; 802. a horizontal fin; 803. a heat radiation fan; 804. a guide slide block; 805. translating the rack; 9. a spacing heat insulation frame; 901. a horizontal storage sleeve; 902. interlocking the heat conducting blocks; 903. interlocking embedding blocks; 904. a hydraulic telescopic rod; 10. a central heat conducting jacket; 1001. driving a piston; 1002. a horizontal piston rod; 1003. interlocking heat conducting plates; 1004. interlocking fins; 1005. and embedding the heat conducting strips.

Detailed Description

The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1, 2, 3, 4, 5, 6, 9 and 11, a three-level bidirectional energy storage ac device includes a plurality of interconnected combined mounting frames 2 and a plurality of unit electrical cabinets 1 horizontally arranged on the combined mounting frames 2, and further includes:

the closed electrical bin 4 is arranged in the unit electrical cabinet 1, U-shaped heat conducting blocks 5 are embedded in the side walls and the rear wall of the left side and the right side of the closed electrical bin 4, U-shaped heat conducting pipes 501 are arranged in the U-shaped heat conducting blocks 5, a plurality of U-shaped fins 502 are arranged on the inner side of the U-shaped heat conducting blocks 5, and the plurality of U-shaped fins 502 are uniformly arranged along the vertical central line direction of the U-shaped heat conducting blocks 5;

the heat dissipation backboard 6 is arranged on the rear side of the U-shaped heat conduction block 5 in a bonding way, a plurality of vertical heat conduction pipes 601 are arranged in the middle of the heat dissipation backboard 6, a plurality of backboard fins 602 are uniformly and horizontally arranged on the rear wall of the heat dissipation backboard 6 along the vertical central line direction, sliding connecting grooves 603 are formed between the adjacent backboard fins 602, and translation guide rails 605 are arranged on the upper side and the lower side of the heat dissipation backboard 6 in parallel;

the reinforced heat dissipation frame 8 is arranged between the translation guide rails 605 in a sliding manner, a plurality of heat dissipation heat pipes 801 are arranged in the middle of the reinforced heat dissipation frame 8, a plurality of horizontal fins 802 are uniformly and horizontally arranged on the outer sides of the heat dissipation heat pipes 801 along the vertical central line direction, the reinforced heat dissipation frame 8 is connected with the back plate fins 602 in a sliding manner through the horizontal fins 802 embedded in the sliding connection grooves 603, and a heat dissipation fan 803 is arranged on the rear side of the horizontal fins 802.

In this embodiment, the energy storage ac device is mainly composed of a plurality of unit electrical cabinets 1 that are horizontally arranged on a plurality of interconnected combined installation frames 2 and combined installation frames 2, each unit electrical cabinet 1 has the same structure, electric devices such as a direct-current side circuit, an inverter and an alternating-current side circuit are installed in a closed electrical cabinet 4 inside the unit electrical cabinet 1, and the heat of an electrical element is absorbed through a plurality of U-shaped fins 502 arranged in the middle of the closed electrical cabinet 4 and conducted to a heat dissipation backboard 6 through a U-shaped heat conducting block 5, the heat is dissipated to the outside of the unit electrical cabinet 1 through backboard fins 602 on the heat dissipation backboard 6, so that the heat dissipation of the electrical element is realized, a heat dissipation mechanism of the energy storage ac device is provided with not only the U-shaped heat conducting block 5 and the heat dissipation backboard 6, which are independently arranged in each unit electrical cabinet 1, but also provided with a reinforced heat dissipation frame 8 which can be slidably adjusted, the reinforced heat dissipation frame 8 is embedded into the sliding connection groove 603 and the backboard fins 602 through the horizontal fins 802, so that the total power and efficiency of the connected corresponding backboard 6 are improved, and the reinforced heat dissipation frame 8 can be horizontally slid to be connected with the heat dissipation frame 6, and the heat dissipation device is more convenient to use when the heat dissipation device is arranged in the different positions of the unit electrical cabinets 1, and the heat dissipation device is convenient to realize the actual use, and the heat dissipation device according to the requirements.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 9, fig. 10 and fig. 11, preferably, a plurality of electrical installation frames 7 are provided in the interior of the closed electrical bin 4 of the energy storage ac, a heat conducting installation plate 701 is provided in the middle of the electrical installation frames 7, edge heat conducting plates 702 are provided on both the left side and the right side and the rear side of the heat conducting installation plates 701, a plurality of edge fins 703 are provided in parallel on the outer sides of the edge heat conducting plates 702, thereby loading electrical elements through the electrical installation frames 7 and the heat conducting installation plates 701, heat generated by the operation of the electrical elements is conducted through the heat conducting installation plates 701, and then transferred to the edge fins 703 through the edge heat conducting plates 702, and an embedding installation groove 503 is formed between adjacent U-shaped fins 502, the electrical installation frames 7 are connected with the U-shaped fins 502 in a sliding manner through the embedding installation grooves 503 and are installed on the U-shaped heat conducting blocks 5, and the heat can be further transferred to the U-shaped fins 502 for heat dissipation, so that the electrical installation frames 7 are installed on the U-shaped fins 502 through the embedding and sliding frames of the edge fins 703, the heat dissipation devices can be quickly slid, the mounting and the mounting are convenient.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 9 and fig. 11, the heat dissipation mechanism of the energy storage ac preferably not only has the U-shaped heat conduction block 5 and the heat dissipation backboard 6 which are all independently arranged in each unit electric cabinet 1, but also is provided with a reinforced heat dissipation frame 8 which can be slidably adjusted, the upper end and the lower end of the reinforced heat dissipation frame 8 are both provided with guide sliding blocks 804, the reinforced heat dissipation frame 8 is slidably connected with the translation guide rail 605 through the guide sliding blocks 804, the middle of the guide sliding blocks 804 is provided with a translation rack 805, the middle of the translation guide rail 605 is provided with a translation gear 606, the shaft end of the translation gear 606 is provided with a translation motor 607, the translation gear 606 and the translation rack 805 are mutually meshed, the translation motor 607 can drive the reinforced heat dissipation frame 8 to horizontally slide along the translation guide rail 605 through the translation gear 606, so that the heat dissipation backboard 6 which is arranged in different unit electric cabinets 1 is connected in an embedded manner at an adjusting position, thereby being convenient for adjusting and using according to actual heat dissipation requirements, and more flexible and convenient in use.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 9, fig. 12 and fig. 14, preferably, the interlocking heat insulation frame 9 is arranged between the adjacent unit electrical cabinets 1 in an interlocking manner, the horizontal storage sleeve 901 is arranged at the rear end of the interlocking heat insulation frame 9, the interlocking heat conduction blocks 902 are arranged in a nested sliding manner on the inner side of the horizontal storage sleeve 901, the hydraulic telescopic rods 904 are connected and arranged on the front sides of the interlocking heat conduction blocks 902, a plurality of interlocking embedded blocks 903 are uniformly and horizontally arranged on the left side wall and the right side wall of the interlocking heat conduction blocks 902 along the vertical center line direction, a plurality of interlocking embedded grooves 604 are uniformly and horizontally arranged on the left side wall and the right side wall of the heat dissipation back plate 6 along the vertical center line direction, the interlocking embedded grooves 604 are matched with the interlocking embedded grooves 604 in a sliding manner, the interlocking heat conduction blocks 902 are connected with the interlocking embedded grooves 604 in a sliding manner through the interlocking embedded grooves 903, the hydraulic telescopic rods can push the interlocking heat conduction blocks 902 to slide outwards, the interlocking heat conduction blocks 904 are embedded between the back plates 6 arranged on the left side unit electrical cabinets 1, and the back plates 6 are mutually embedded through the interlocking embedded in the interlocking embedded grooves 903, and the interlocking heat conduction blocks are mutually matched with the interlocking heat conduction blocks, and the heat dissipation units are electrically connected with the heat dissipation units 1 in a large thermal dissipation structure can be adjusted conveniently, and the heat dissipation unit electrical cabinet 1 can be electrically and connected with each other through the adjacent heat dissipation units 1 in a large heat dissipation structure, and can be used, and the heat dissipation unit 1 can be adjusted conveniently, and can be used conveniently and has a heat dissipation effect.

As shown in fig. 1, 2, 3, 4, 5, 6, 9, 12, 13 and 14, preferably, a central heat conducting sleeve 10 is arranged in the middle of the heat insulating frame 9, interlocking heat conducting plates 1003 are symmetrically arranged in parallel on the left and right sides of the heat insulating frame 9, driving pistons 1001 are nested and slidingly arranged on the left and right sides of the inside of the central heat conducting sleeve 10, horizontal piston rods 1002 are arranged on the outer sides of the driving pistons 1001, the outer ends of the horizontal piston rods 1002 arranged on the left and right sides are respectively connected with the interlocking heat conducting plates 1003 symmetrical on the left and right sides, a plurality of interlocking fins 1004 are uniformly and horizontally arranged in the middle of the inner side walls of the interlocking heat conducting plates 1003 along the vertical central line direction, the interlocking heat conducting plates 1003 arranged on the two sides are mutually embedded and slidingly connected through the interlocking fins 1004, heat conducting side walls 401 are arranged in the middle of the left and right side walls of the unit electrical cabinet 1, the inner side of the heat conducting side wall 401 is mutually attached to the U-shaped heat conducting block 5, a plurality of side wall embedding grooves 402 are uniformly and horizontally arranged on the outer side of the heat conducting side wall 401 along the vertical central line direction, a plurality of embedding heat conducting strips 1005 are uniformly and horizontally arranged in the middle of the outer side wall of the interlocking heat conducting plate 1003 along the vertical central line direction, the embedding heat conducting strips 1005 are mutually matched with the side wall embedding grooves 402 in size, the interlocking heat conducting plate 1003 is in embedded sliding connection with the heat conducting side wall 401 through the embedding heat conducting strips 1005 and the side wall embedding grooves 402, meanwhile, a closed temperature sensing tube 403 is also arranged in the closed electrical bin 4, the closed temperature sensing tube 403 is mutually connected with a central heat conducting sleeve 10 in a left side and right side interval heat insulating frame 9, heat conducting mediums are filled in the closed temperature sensing tube 403 and the central heat conducting sleeve 10, so that when the temperature in the closed electrical bin 4 is increased, liquid in the closed temperature sensing tube 403 expands and is transferred to the central heat conducting sleeve 10, and then the interlocking heat conducting plates 1003 on two sides are pushed to slide to two sides by driving the pistons 1001 and the horizontal piston rods 1002, so that the interlocking heat conducting plates 1003 and the heat conducting side walls 401 are connected with each other, the interlocking heat conducting strips 1005 and the side wall embedding grooves 402 are mutually embedded and attached, and then the U-shaped heat conducting blocks 5 in the unit electrical cabinets 1 on two sides of the corresponding interval heat insulation frame 9 are connected with each other, so that the total heat dissipation power and the heat dissipation efficiency of the unit electrical cabinets are improved, and the automatic adjustment can be carried out according to the actual heat dissipation requirement, and the unit electrical cabinet is more flexible and convenient to use.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the energy storage ac device is preferably mainly composed of a plurality of interconnected combined installation frames 2 and a plurality of unit electric cabinets 1 horizontally arranged on the combined installation frames 2, the combined installation frames 2 form the installation foundation of the unit electric cabinets 1, the left end and the right end of the combined installation frames 2 are respectively provided with a jogged connection block 201 and a jogged connection groove 202, the jogged connection block 201 and the jogged connection groove 202 are mutually matched in size, the combined installation frames 2 are mutually connected in a sliding manner through the jogged connection block 201 and the jogged connection groove 202, a locking bolt 203 is arranged in the middle of the jogged connection groove 202, the jogged connection block 201 and the jogged connection groove 202 are mutually connected and locked through the locking bolt 203, so that the combined installation frames 2 corresponding in number are conveniently installed according to actual demands, the middle of the combined installation frames 2 is provided with a sliding installation groove 204, the horizontal center line of the sliding installation frames 204 is mutually perpendicular between the horizontal center line of the combined installation frames 204 and the horizontal center line of the combined installation frames 2, the bottom of the unit electric cabinet 1 is provided with a sliding connection block 101, the unit electric cabinets 1 is connected with the sliding installation block 204 through the sliding connection groove 204 through the sliding connection block 204 arranged in the middle of the sliding installation frames 101 and the combined installation frames 2, the sliding connection block 205 is more convenient to be connected with the sliding connection block 206, and the combined installation frame 2 is arranged between the combined installation frames 2 and the sliding block 205 and the combined installation frame 2 is convenient to be connected in a sliding connection groove.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, preferably, the middle level of the combined installation frame 2 is provided with a horizontal wiring tube 3, the left and right ends of the horizontal wiring tube 3 are respectively provided with a jogged port 301 and a jogged sleeve 302, the dimensions of the jogged port 301 and the jogged sleeve 302 are mutually matched, the horizontal wiring tube 3 is mutually connected in a nested manner through the jogged port 301 and the jogged sleeve 302, the middle of the horizontal wiring tube 3 is provided with a vertical wiring tube 303, the outer side of the vertical wiring tube 303 is provided with a sliding connection sleeve 304 in a nested manner, a closed spring 305 is arranged below the sliding connection sleeve 304, the bottom of the unit electrical cabinet 1 is provided with a wiring connection sleeve 102, the cable wires required by the continuous battery pack and the power grid can penetrate into the inside of the closed electrical cabinet 4 through the wiring connection sleeve 102 arranged at the bottom of the unit electrical cabinet 1, the middle level of the combined installation frame 2 is also provided with a horizontal wiring tube 3, and the combined installation frame 2 is provided with a guiding protection for the cable wires, when the combined installation frame 2 is connected in a combined connection, the combined installation frame is carried out through the jogged connection sleeve 304, the vertical wiring tube is connected through the jogged connection sleeve 302, the unit electrical cabinet is convenient to be connected to the vertical connection sleeve 102, and the combined connection is arranged on the vertical connection sleeve 102, and can be conveniently connected to the combined connection sleeve 102 through the wiring connection sleeve 102, and can be connected to the vertical connection through the wiring connection and the wire connection frame through the wire connection.

In use, a required number of combined mounting frames 2 are firstly connected with the embedded connecting grooves 202 in a sliding and embedded manner according to the requirement, and are connected and locked with each other through the embedded connecting blocks 201, a corresponding number of combined mounting frames 2 are assembled and mounted, then a required number of unit electric cabinets 1 are horizontally and slidably embedded into the sliding and mounted through the sliding mounting frames 101 and are locked through the locking stop blocks 206, meanwhile, the wiring connecting sleeves 102 in the unit electric cabinets 1 are connected into the vertical wiring pipes 303 through the embedded sleeves 302 to mount the unit electric cabinets 1 on the combined mounting frames 2, then the interval heat insulation frames 9 are embedded and slidably embedded between the adjacent unit electric cabinets 1, meanwhile, a required number of enhanced heat dissipation frames 8 are slidably embedded and mounted between the translation guide rails 605, and electric elements are loaded through the electric mounting frames 7 and the heat conduction mounting plates 701, then the electric installation frame 7 is embedded between the embedded installation groove 503 and the U-shaped fin 502 through the edge fin 703 and is in sliding connection and installed and erected on the U-shaped heat conduction block 5, and corresponding pipelines are connected to complete the combined adjustment work of the device, heat generated by the electric element work is conducted through the heat conduction installation plate 701 and transferred to the edge fin 703 through the edge heat conduction plate 702, then the heat is further transferred to the U-shaped fin 502 and the U-shaped heat conduction block 5, then the heat is transferred to the heat dissipation backboard 6 through the U-shaped heat conduction pipe 501 in the U-shaped heat conduction block 5, heat is dissipated through the backboard fin 602 on the heat dissipation backboard 6, when the integrated heat dissipation of one unit electric cabinet 1 is needed, the translation motor 607 drives the enhanced heat dissipation frame 8 to horizontally slide to the rear side of the corresponding unit electric cabinet 1 along the translation guide rail 605 through the translation gear 606, the enhanced heat dissipation frame 8 is embedded between the sliding connection groove 603 and the backboard fin 602 through the horizontal fin 802, so that the whole heat dissipation area of the corresponding heat dissipation backboard 6 is increased, a large amount of air passes through the horizontal fin 802 through the heat dissipation fan 803, the total heat dissipation power and efficiency of the connected corresponding heat dissipation backboard 6 are improved, the hydraulic telescopic rod 904 pushes the interlocking heat conduction block 902 to slide outwards, is embedded between the heat dissipation backboard 6 arranged on the left and right side unit electric cabinets 1, is mutually embedded with the interlocking heat dissipation backboard 6 through the interlocking heat conduction block 903 and the interlocking embedded groove 604 to be mutually attached and connected, the heat dissipation backboard 6 arranged on the adjacent unit electric cabinets 1 is mutually connected through the interlocking heat conduction block 902, meanwhile, when the liquid in the closed temperature sensing tube 403 expands and is transferred to the central heat conduction sleeve 10, the interlocking heat conduction plates 1003 on two sides are pushed to slide to two sides through the driving piston 1001 and the horizontal piston rod 1002, the interlocking heat conduction plates 1003 are mutually connected with the heat conduction side walls 401, the interlocking heat conduction strips are mutually embedded and attached with the side wall embedded grooves 402, and the U-shaped blocks 5 in the unit electric cabinets 1 on the two sides of the corresponding spacing heat dissipation frame 9 are mutually attached, so that the heat dissipation efficiency is improved.

the electric elements are installed through the closed electric bins 4 inside the unit electric cabinets 1, the plurality of U-shaped fins 502 arranged in the middle of the closed electric bins 4 absorb heat emitted by the electric elements and are conducted to the heat radiating back plate 6 through the U-shaped heat conducting blocks 5, and then the heat is emitted to the outside of the unit electric cabinet 1 through the back plate fins 602 on the heat radiating back plate 6, so that the electric elements are radiated, when one of the unit electric cabinets 1 needs to be intensively radiated, the enhanced heat radiating frame 8 slides and translates to the rear side of the corresponding unit electric cabinet 1 along the translation guide rail 605, the enhanced heat radiating frame 8 is embedded into the sliding connection groove 603 through the horizontal fins 802 and is connected with the back plate fins 602 in a sliding mode, and therefore the efficiency of the connected corresponding heat radiating back plate 6 is improved, and the heat radiating efficiency and the total heat radiating power of the corresponding unit electric cabinet 1 are enhanced.

The three-level bidirectional energy storage alternating current device provided by the invention is formed by combining and connecting a plurality of unit electric cabinets 1, the unit electric cabinets 1 are provided with electric elements through the inner closed electric bin 4, the plurality of U-shaped fins 502 arranged in the middle of the closed electric bin 4 absorb heat of the electric elements and are conducted to the heat dissipation back plate 6 through the U-shaped heat conduction blocks 5, the heat is dissipated to the outside of the unit electric cabinets 1 through the back plate fins 602 on the heat dissipation back plate 6, so that the heat dissipation of the electric elements is realized, the heat dissipation mechanism of the energy storage alternating current device is provided with the U-shaped heat conduction blocks 5 and the heat dissipation back plate 6 which are independently arranged in each unit electric cabinet 1, and is also provided with the enhanced heat dissipation frame 8 which can be slidably adjusted, the enhanced heat dissipation frame 8 is embedded between the sliding connection grooves 603 and the back plate fins 602 through the horizontal fins 802, so that the heat dissipation total power and the efficiency of the connected corresponding heat dissipation back plate 6 can be improved, and the enhanced heat dissipation frame 8 can be horizontally slid so that the heat dissipation back plates 6 arranged in the unit electric cabinets 1 are embedded and connected, and used conveniently according to practical requirements, and the use is more flexible and convenient.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a three-level two-way energy storage AC ware, is including a plurality of interconnect's combination mounting bracket (2) and a plurality of unit regulator cubicles (1) that the horizontal arrangement set up on combination mounting bracket (2), its characterized in that still includes:

the sealed electric bin (4) is arranged in the unit electric cabinet (1), U-shaped heat conducting blocks (5) are embedded in the side walls on the left side and the right side and the rear wall of the sealed electric bin (4), U-shaped heat conducting pipes (501) are arranged in the U-shaped heat conducting blocks (5), a plurality of U-shaped fins (502) are arranged on the inner side of each U-shaped heat conducting block (5), and the U-shaped fins (502) are uniformly arranged along the vertical central line direction of each U-shaped heat conducting block (5);

the heat dissipation backboard (6) is arranged on the rear side of the U-shaped heat conduction block (5) in a bonding mode, a plurality of vertical heat conduction pipes (601) are arranged in the middle of the heat dissipation backboard (6), a plurality of backboard fins (602) are uniformly and horizontally arranged on the rear wall of the heat dissipation backboard (6) along the vertical central line direction, sliding connecting grooves (603) are formed between the adjacent backboard fins (602), and translation guide rails (605) are arranged on the upper side and the lower side of the heat dissipation backboard (6) in parallel;

reinforcing heat dissipation frame (8), the slip sets up between translation guide rail (605), the centre of reinforcing heat dissipation frame (8) is provided with a plurality of heat dissipation heat pipes (801), the outside of heat dissipation heat pipe (801) is provided with a plurality of horizontal fins (802) along the even horizontal arrangement of vertical central line direction, and sliding connection between reinforcing heat dissipation frame (8) through horizontal fin (802) embedding sliding connection groove (603) and backplate fin (602), the rear side of horizontal fin (802) is provided with radiator fan (803).

2. The three-level bidirectional energy storage alternating current machine according to claim 1, wherein a plurality of electrical installation racks (7) are arranged in the closed electrical bin (4), a heat conduction installation plate (701) is arranged in the middle of the electrical installation racks (7), edge heat conduction plates (702) are arranged on the left side, the right side and the rear side of the heat conduction installation plate (701), a plurality of edge fins (703) are arranged on the outer side of the edge heat conduction plates (702) in parallel, a jogged installation groove (503) is formed between every two adjacent U-shaped fins (502), and the electrical installation racks (7) are connected with the U-shaped fins (502) in a sliding mode through the edge fins (703) in a jogged installation groove (503) and are installed and erected on the U-shaped heat conduction blocks (5).

3. The three-level bidirectional energy storage alternating current machine according to claim 1, wherein guide sliding blocks (804) are arranged at the upper end and the lower end of the enhanced radiating frame (8), the enhanced radiating frame (8) is in sliding connection with the translation guide rail (605) through the guide sliding blocks (804), a translation rack (805) is arranged in the middle of the guide sliding blocks (804), a translation gear (606) is arranged in the middle of the translation guide rail (605), a translation motor (607) is arranged at the shaft end of the translation gear (606), and the translation gear (606) and the translation rack (805) are meshed with each other.

4. The three-level bidirectional energy storage alternating current device according to claim 1, wherein a space heat insulation frame (9) is arranged between adjacent unit electrical cabinets (1) in a jogging mode, a horizontal storage sleeve (901) is arranged at the rear end of the space heat insulation frame (9), a linkage heat conduction block (902) is arranged on the inner side of the horizontal storage sleeve (901) in a nested sliding mode, hydraulic telescopic rods (904) are connected and arranged on the front side of the linkage heat conduction block (902), a plurality of linkage jogging blocks (903) are uniformly and horizontally arranged on the left side wall and the right side wall of the linkage heat conduction block (902) along the vertical center line direction, a plurality of linkage jogging grooves (604) are uniformly and horizontally arranged on the left side wall and the right side wall of the heat dissipation backboard (6) along the vertical center line direction, the linkage jogging grooves (604) are mutually matched with the linkage jogging blocks (903) in a size mode, and the linkage heat conduction block (902) are connected with the linkage jogging blocks (903) in a jogging mode.

5. The three-level bidirectional energy storage alternating current device according to claim 4, wherein a central heat conducting sleeve (10) is arranged in the middle of the interval heat insulating frame (9), interlocking heat conducting plates (1003) are symmetrically arranged on the left side and the right side of the interval heat insulating frame (9) in parallel, driving pistons (1001) are arranged on the left side and the right side of the inner portion of the central heat conducting sleeve (10) in a nested sliding mode, horizontal piston rods (1002) are arranged on the outer sides of the driving pistons (1001), the outer ends of the horizontal piston rods (1002) arranged on the left side and the right side are respectively connected with the interlocking heat conducting plates (1003) symmetrical on the left side and the right side, a plurality of interlocking fins (1004) are uniformly and horizontally arranged in the middle of the inner side wall of the interlocking heat conducting plates (1003) along the vertical center line direction, and the interlocking heat conducting plates (1003) arranged on the two sides are mutually embedded and slidingly connected through the interlocking fins (1004).

6. The three-level bidirectional energy storage alternating current device according to claim 5, wherein a heat conducting side wall (401) is arranged in the middle of the left side wall and the right side wall of the unit electrical cabinet (1), the inner side of the heat conducting side wall (401) is mutually attached to the U-shaped heat conducting block (5), a plurality of side wall embedded grooves (402) are uniformly and horizontally arranged on the outer side of the heat conducting side wall (401) along the vertical central line direction, a plurality of embedded heat conducting strips (1005) are uniformly and horizontally arranged on the middle of the outer side wall of the interlocking heat conducting plate (1003) along the vertical central line direction, the sizes of the embedded heat conducting strips (1005) and the side wall embedded grooves (402) are mutually matched, and the interlocking heat conducting plate (1003) is in embedded sliding connection with the heat conducting side wall (401) through the embedded heat conducting strips (1005) and the side wall embedded grooves (402).

7. The three-level bidirectional energy storage alternating current device according to claim 1, wherein the left end and the right end of the combined mounting frame (2) are respectively provided with a jogged connecting block (201) and a jogged connecting groove (202), the jogged connecting block (201) and the jogged connecting groove (202) are mutually matched in size, the combined mounting frame (2) is mutually slidably jogged and connected with the jogged connecting groove (202) through the jogged connecting block (201), a locking bolt (203) is arranged in the middle of the jogged connecting groove (202), and the jogged connecting block (201) and the jogged connecting groove (202) are mutually connected and locked through the locking bolt (203).

8. The three-level bidirectional energy storage alternating current device according to claim 1, wherein a sliding mounting groove (204) is formed in the middle of the combined mounting frame (2), the horizontal center line of the sliding mounting groove (204) is perpendicular to the horizontal center line of the combined mounting frame (2), a sliding mounting frame (101) is arranged at the bottom of the unit electric cabinet (1), the unit electric cabinet (1) is in sliding connection with the sliding mounting groove (204) formed in the middle of the combined mounting frame (2) through the sliding mounting frame (101), the unit electric cabinet (1) and the combined mounting frame (2) are in combined connection with each other through the sliding mounting frame (101) and the sliding mounting groove (204), a locking sliding groove (205) is formed in the front end of the sliding mounting groove (204), a locking stop (206) is arranged in the middle of the locking sliding groove (205) in a vertically embedded manner, and a locking spring (207) is arranged below the locking stop (206).

9. The three-level bidirectional energy storage alternating current device according to claim 1, wherein a horizontal wiring pipe (3) is horizontally arranged in the middle of the combined installation frame (2), a jogging port (301) and a jogging sleeve (302) are respectively arranged at the left end and the right end of the horizontal wiring pipe (3), the jogging port (301) and the jogging sleeve (302) are mutually matched in size, the horizontal wiring pipe (3) are mutually connected in a nested mode through the jogging port (301) and the jogging sleeve (302), a vertical wiring pipe (303) is arranged in the middle of the horizontal wiring pipe (3), a sliding connecting sleeve (304) is arranged in a nested mode on the outer side of the vertical wiring pipe (303), a closing spring (305) is arranged below the sliding connecting sleeve (304), a wiring connecting sleeve (102) is arranged at the bottom of the unit electric cabinet (1), and when the unit electric cabinet (1) is installed on the combined installation frame (2), the wiring connecting sleeve (102) is located right above the vertical wiring pipe (303), and the wiring connecting sleeve (102) are connected with the wiring pipe (303) in a nested mode through the nested connecting sleeve (304).

10. Use of a three-level bi-directional energy storage ac according to any one of claims 1-9, comprising the steps of:

the electric element is installed through the inside sealed electrical bin (4) of a plurality of unit electrical cabinets (1), a plurality of U-shaped fins (502) that set up in the middle of sealed electrical bin (4) absorb the heat that the electric element distributes, and conduct to heat dissipation backplate (6) through U-shaped heat conduction piece (5), and then distribute heat to the outside of unit electrical cabinet (1) through backplate fin (602) on heat dissipation backplate (6), in order to the heat dissipation of electric element, when needs concentrate heat dissipation to one of them unit electrical cabinet (1), will strengthen heat dissipation frame (8) along translation guide rail (605) sliding translation to correspond unit electrical cabinet (1) rear side, strengthen heat dissipation frame (8) through sliding connection between horizontal fin (802) embedding sliding connection groove (603) and backplate fin (602), thereby improve the corresponding heat dissipation backplate (6) efficiency of connection, in order to strengthen the radiating efficiency and the total power of corresponding unit electrical cabinet (1).