CN223729630U - AC/DC integrated module - Google Patents

Abstract

The utility model discloses an alternating current-direct current integrated module, and relates to the technical field of energy storage cabinets. The power supply system comprises an inserting box body, wherein an alternating current module and a direct current module are arranged in the inserting box body, a direct current positive-negative connector and a plurality of wiring ports are arranged on the side wall of the inserting box body, the alternating current module and the direct current module are connected with an energy storage converter PCS of an energy storage cabinet through the wiring ports, two 匚 -shaped mounting plates are fixedly connected to the inner wall of the inserting box body, and the alternating current module and the direct current module are respectively mounted on the two 匚 -shaped mounting plates, so that internal wiring can conveniently pass through between the 匚 -shaped mounting plates and the inner wall of the inserting box body. According to the utility model, the alternating current module and the direct current module are integrated in the plug box body through the 匚 -shaped mounting plate, so that internal wiring is convenient to pass between the 匚 -shaped mounting plate and the inner wall of the plug box body, the occupied space of the energy storage cabinet is effectively reduced, the wiring of the alternating current module and the direct current module is facilitated to be simplified, and the subsequent maintenance of fault points is convenient.

Description

AC/DC integrated module

Technical Field

The utility model belongs to the technical field of energy storage cabinets, and particularly relates to an alternating current-direct current integrated module.

Background

With the market layout of energy storage, energy storage systems are being used in a variety of usage scenarios. Most of the current technologies adopt an energy storage battery cabinet, a converter and a step-up transformer, wherein the energy storage battery cabinet consists of an electric core, an inserting box, a battery management system, a heat exchange system, a converging cabinet, a fire protection system and the like.

Like chinese utility model CN220155989U, an integrated energy storage cabinet is disclosed, comprising a base, a cabinet body is arranged above the base, the cabinet body is provided with an upper layer and a lower layer, the cabinet body comprises cabinet doors at two sides, four cabinet doors are arranged at one side, a plurality of energy storage batteries are placed in the cabinet body, and a direct current controller and an alternating current controller are simultaneously placed in the cabinet body. Through the setting of the multilayer cabinet body, direct current controller and alternating current controller can be placed simultaneously, and a plurality of independent cabinet doors set up, conveniently open the door alone and overhaul the energy storage cabinet is interior local.

But the AC/DC module of the energy storage cabinet in the prior art adopts a split structure, so that the required duty ratio space of the energy storage cabinet is large, and the split AC/DC module is complex in wiring, so that when the follow-up fault occurs, the maintenance of the fault point is inconvenient.

Disclosure of utility model

The utility model aims to provide an alternating current-direct current integrated module, which solves the problems of large occupied space, complex wiring and inconvenient maintenance of the existing alternating current-direct current module by integrating the alternating current module and the direct current module in an inserting box and installing and fixing the alternating current module and the direct current module by a 匚 -shaped installing plate.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model discloses an alternating current-direct current integrated module which comprises an inserting box body, wherein an alternating current module and a direct current module are arranged in the inserting box body, a direct current positive-negative connector and a plurality of wiring ports are arranged on the side wall of the inserting box body, the alternating current module and the direct current module are connected with an energy storage converter PCS of an energy storage cabinet through the wiring ports, two 匚 -shaped mounting plates are fixedly connected to the inner wall of the inserting box body, and the alternating current module and the direct current module are respectively mounted on the two 匚 -shaped mounting plates, so that internal wiring can conveniently pass between the 匚 -shaped mounting plates and the inner wall of the inserting box body.

As a preferable technical scheme of the utility model, the inside of the plug box is fixedly connected with N rows and a ground row.

As a preferable technical scheme of the utility model, an alternating current lightning arrester and a direct current lightning arrester are arranged in the plug box body.

As a preferable technical scheme of the utility model, the side wall of one end of the plug box body is connected with a secondary plug connector.

As a preferable technical scheme of the utility model, the plug-in box is internally provided with a plurality of miniature circuit breakers, and the input ends of the miniature circuit breakers are connected with the alternating current module and are used for taking 220V single-phase electricity by the alternating current module and supplying power through the output ends of the miniature circuit breakers.

As an optimized technical scheme, the inner wall of the plug box body is fixedly connected with a mounting plate, a plurality of miniature circuit breakers are mounted on the side face of the mounting plate, and the mounting plate is provided with a plurality of through slots.

As a preferable technical scheme of the utility model, the mounting plate is connected with a right-angle flanging which is provided with a plurality of through holes along the edge of the passing notch.

As a preferable technical scheme of the utility model, the outer wall of the plug box body is connected with a plurality of handles.

The utility model has the following beneficial effects:

According to the utility model, the two 匚 -shaped mounting plates are fixedly connected to the inner wall of the plug-in box body, the alternating current module and the direct current module are respectively mounted on the two 匚 -shaped mounting plates, the alternating current module and the direct current module are integrated in the plug-in box body, and the internal wiring is convenient to pass between the 匚 -shaped mounting plates and the inner wall of the plug-in box body, so that the occupied space of the energy storage cabinet is effectively reduced, the wiring of the alternating current module and the direct current module is facilitated to be simplified, and the subsequent maintenance of fault points is convenient.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an AC/DC integrated module according to the present utility model;

FIG. 2 is a schematic view of the structure from the rear view of FIG. 1;

FIG. 3 is a schematic diagram of the internal structure of an AC/DC integrated module;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a schematic structural view of a mounting plate;

in the drawings, the list of components represented by the various numbers is as follows:

The LED lamp comprises a 1-plug box body, a 2-alternating current module, a 3-direct current module, a 4-miniature circuit breaker, a 5-mounting plate, a 101-direct current positive and negative connector, a 102- 匚 -mounting plate, 103-N rows, 104-ground rows, 105-alternating current lightning protection devices, 106-direct current lightning protection devices, 107-secondary plug connectors, 108-handles, 109-heat dissipation pore plates, 501-passing notch, 502-right-angle flanging and 503-through holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1, 3 and 4, the present utility model is an ac/dc integrated module, which includes a jack box 1, wherein the jack box 1 can be installed in an energy storage cabinet in a plug-in manner. The alternating current module 2 and the direct current module 3 are arranged in the plug box body 1, meanwhile, the N rows 103 and the ground rows 104 are fixedly connected inside the plug box body 1, the alternating current lightning protection device 105 and the direct current lightning protection device 106 are connected with the side wall of one end of the plug box body 1, and the plug box body 1 is convenient to be connected with a corresponding socket in the cabinet body when being inserted into the energy storage cabinet.

As shown in fig. 1 and 2, the outer wall of the jack box body 1 is connected with a plurality of handles 108, for example, the handles are arranged at two ends of the jack box body 1, so that the jack box body 1 can be conveniently disassembled and taken. Meanwhile, the side wall of the plug box body 1 is provided with a notch, and a heat dissipation pore plate covering the notch is connected through a screw, so that the plug box body 1 can have good heat dissipation performance.

As shown in fig. 5, the side wall of the jack box body 1 is provided with a direct current positive-negative connector 101 and a plurality of wiring ports, and the alternating current module 2 and the direct current module 3 are connected with an energy storage converter PCS of the energy storage cabinet through the wiring ports. The dc module 3 is connected to the battery pack through a dc positive and negative connector 101. Wherein, the inner wall of the plug box body 1 is fixed with two 匚 -shaped mounting plates 102 through screws, and the alternating current module 2 and the direct current module 3 are respectively arranged on the two 匚 -shaped mounting plates 102, so that the internal wiring passes between the 匚 -shaped mounting plates 102 and the inner wall of the plug box body 1, the wiring of the alternating current module 2 and the direct current module 3 is completely assembled in the plug box body 1, the wiring ports of the connectors are reserved outside, the complicated wiring process in the installation stage of the energy storage cabinet is reduced, the labor hour is saved, the wiring of the alternating current module 2 and the direct current module 3 is facilitated to be simplified, the subsequent maintenance of fault points is facilitated,

The alternating current module 2 and the direct current module 3 are installed in a layered mode through the 匚 -shaped installation plate 102, alternating current and direct current interference is avoided, and the components are in a modularized design and are convenient to install, maintain and wire, so that occupied space of the energy storage cabinet is effectively reduced.

During the use, the main control module BCU of the battery management system controls the main loop contactor of the direct current module 3 to be sucked, and the energy storage energy management system EMS controls the main loop contactor of the alternating current module 2 to be sucked and sends a charging instruction and charging power to the energy storage converter PCS.

The commercial power 380VAC enters an energy storage converter PCS through a main loop circuit breaker and a contactor of the alternating current module 2 to perform alternating current-direct current conversion, and direct current output by the energy storage converter PCS passes through a main loop of the direct current module 3 and a direct current positive-negative electrode connector 101 to reach a battery cluster to realize charging.

When the energy storage cabinet discharges, the main control module BCU of the battery management system controls the main loop contactor of the direct current module 3 to be sucked, the energy storage energy management system EMS controls the main loop contactor of the alternating current module 2 to be sucked, and sends a discharge instruction and discharge power to the PCS of the energy storage converter, DC of the battery cluster passes through the main loop of the direct current module 3 through the DC positive and negative connector 101 and enters the PCS of the energy storage converter to perform AC-DC conversion, and the PCS outputs alternating current to reach the mains supply end through the main loop breaker of the alternating current module 2 and the contactor, thereby realizing discharge.

As shown in fig. 4 to 6, in addition, a plurality of miniature circuit breakers 4 are further arranged in the jack box body 1, and the input ends of the miniature circuit breakers 4 are connected with the alternating current module 2 and are used for taking 220V single-phase electricity from the alternating current module 2 and supplying power through the output ends of the miniature circuit breakers 4.

Specifically, the inner wall of the jack box body 1 is connected with a mounting plate 5 through screws, a plurality of miniature circuit breakers 4 are arranged on the side surface of the mounting plate 5 in a row, and a plurality of through slots 501 are formed in the mounting plate 5. The mounting panel 5 is connected with and is provided with right angle turn-ups 502 along crossing notch 501 border, and a plurality of through-holes 503 have been seted up to right angle turn-ups 502, when managing the line to miniature circuit breaker 4 connecting wire, the ribbon can pass through-hole 503, carries out the ligature to the pencil again to can guarantee the fixed effect to the pencil, make holistic practicality obtain improving.

The 220V single-phase power is taken from the main loop of the alternating current module 2 through the input end of the miniature circuit breaker 4, and is output to relevant auxiliary modules through the output end of the miniature circuit breaker 4, so that the auxiliary energy storage cabinet system operates, including supplying power to an energy storage cabinet thermal management system (an air conditioner, a liquid cooling machine and a radiator fan), supplying power to a lighting system (an explosion-proof lamp), supplying power to a fire extinguishing device, and supplying power to a DC control unit and a DC working element (such as DC elements of an energy storage cabinet EMS, a BMS, a dehumidifier, a water immersion sensor, a signal lamp and the like through AC-DC (switching power supply) output DC12V and DC 24V).

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (8)

1. An AC/DC integrated module, characterized in that: it includes a plug-in housing (1), and the plug-in housing (1) is equipped with an AC module (2) and a DC module (3); The side wall of the plug-in box (1) is provided with DC positive and negative connectors (101) and several wiring ports, and the AC module (2) and DC module (3) are connected to the energy storage converter PCS of the energy storage cabinet through the wiring ports. The inner wall of the plug-in box (1) is fixedly connected with two C-shaped mounting plates (102), and the AC module (2) and DC module (3) are respectively installed on the two C-shaped mounting plates (102), so that the internal wiring can pass between the C-shaped mounting plates (102) and the inner wall of the plug-in box (1). 2. An AC/DC integrated module according to claim 1, characterized in that the plug-in housing (1) is internally fixedly connected with N rows (103) and a ground row (104). 3. An AC/DC integrated module according to claim 1 or 2, characterized in that the plug-in housing (1) is equipped with an AC surge protector (105) and a DC surge protector (106). 4. An AC/DC integrated module according to claim 1, characterized in that a secondary connector (107) is connected to the side wall of one end of the plug-in housing (1). 5. An AC/DC integrated module according to claim 1, characterized in that the plug-in box (1) is further provided with a plurality of miniature circuit breakers (4), the input terminal of the miniature circuit breaker (4) is connected to the AC module (2) for taking 220V single-phase power from the AC module (2) and outputting power through the output terminal of the miniature circuit breaker (4). 6. An AC/DC integrated module according to claim 5, characterized in that an mounting plate (5) is fixedly connected to the inner wall of the plug-in box (1), and a plurality of miniature circuit breakers (4) are installed on the side of the mounting plate (5); the mounting plate (5) is provided with a plurality of through slots (501). 7. An AC/DC integrated module according to claim 6, characterized in that the mounting plate (5) is connected to a right-angle flange (502) provided along the edge of the through slot (501), and the right-angle flange (502) is provided with a plurality of through holes (503). 8. An AC/DC integrated module according to claim 1, characterized in that a plurality of handles (108) are connected to the outer wall of the plug-in housing (1).