Rack-mounted distribution box for energy storage cabinet

Abstract

The utility model belongs to the technical field of energy storage cabinets, and relates to a rack-mounted distribution box for an energy storage cabinet, which comprises a main shell, a front panel and an upper cover, a rotary operation end of a molded case circuit breaker directly faces the inner side of the front panel, the front panel is provided with a signal lamp, a micro circuit breaker, a module wiring terminal and an alternating current wiring terminal, and the front panel is also rotatably connected with an extension rotary handle. A rotating rod of the extension rotating handle extends into the main shell and is coaxially and rotatably connected with a rotating operation end of the molded case circuit breaker, the side wall of the main shell is connected with a line bank and a binding post, and the line bank and a line connecting end on the inner side of the binding post are respectively and electrically connected to the molded case circuit breaker; the extension rotating handle which is rotatably connected to the front panel is coaxially and rotatably connected with the rotating operation end of the molded case circuit breaker, so that an operator can operate without opening the front panel and directly contacting with the sight line during operation and maintenance, the molded case circuit breaker is operated more intuitively, quickly and conveniently, and the operation is safe and labor-saving.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy storage cabinets and relates to a rack-type distribution box for the energy storage cabinet. Background Art

[0002] Energy storage cabinets are a type of equipment specially designed to store electrical energy. They have a wide range of applications and play an important role in power systems, renewable energy utilization, home backup power supplies, and specific industry applications. Energy storage cabinets are of great significance to improving energy efficiency, promoting the popularization of renewable energy, and enhancing the flexibility and reliability of power systems through their high-efficiency energy storage and release capabilities. In the energy storage cabinet system, there are a large number of electrical equipment, such as molded case circuit breakers, micro switches, and various terminal blocks, which require the fixing and wiring of each electrical appliance. In the existing industry technology, many manufacturers place various electrical appliances and wiring in the empty space of the energy storage cabinet, either directly exposed, or adding a panel after installation.

[0003] However, since various electrical appliances and wiring are randomly arranged in the free positions of the energy storage cabinet, the wiring layout and wiring structure between the various devices of the energy storage cabinet have the following defects: 1. Low space utilization. Except for the necessary devices such as battery PACK, high-voltage box, PCS, etc., there is often 1-2 PACK box space vacant inside the energy storage cabinet. This space is used to layout various electrical appliances, and often only one side of the space can be used, and most of the area at the back will be wasted. 2. High requirements for employee level. There are many types of wiring, and the wires are staggered. Employees are required to have considerable patience and professional level to comb, classify, and fix the wires. There are also multiple 50 square cables connected, which are difficult to bend and easy to get injured. 3. Not easy to inspect and maintain. There are many types of electrical appliances. When there are electrical appliances that need to be replaced, a lot of repetitive wiring, wiring, and inspection work is required. 4. Unsafe, the wiring is staggered and complex, the heat dissipation is poor, and the crossing of wires brings great safety hazards to the energy storage cabinet. 5. The molded case circuit breaker is difficult to operate, and there is no opening and closing feedback signal light.

[0004] Therefore, there is an urgent need for a device or equipment that is safer and more reliable, has high space utilization, and is convenient and quick to install and maintain to solve the above technical problems. Utility Model Content

[0005] The technical solution adopted by the utility model to solve the technical problem is: a rack-type distribution box for an energy storage cabinet, comprising: a main shell, a front panel, and an upper cover, the main shell is in a groove shape surrounded by three sides, the front panel is detachably connected to the unenclosed side of the groove of the main shell, the upper cover is detachably buckled on the main shell and the front panel from top to bottom to form a rectangular cavity to encapsulate the molded case circuit breaker, the rotating operating end of the molded case circuit breaker faces the inner side of the front panel, and the side of the main shell is provided with a heat dissipation grille; a plurality of installation through holes of different models are provided on the front panel, and a signal lamp, a micro-break switch, a module terminal, and an AC terminal are detachably installed in the installation through holes, respectively, and the connection ends of the signal lamp, the micro-break switch, the module terminal, and the AC terminal located on the inner side of the front panel are respectively electrically connected to the molded case circuit breaker;

[0006] The front panel is also rotatably connected to an extended rotary handle, the rotation axis of which is perpendicular to the outer surface of the front panel, and the rotary rod of the extended rotary handle extends from the front panel into the main housing and is coaxially rotatably connected to the rotary operating end of the molded case circuit breaker;

[0007] A terminal block and a terminal post are detachably connected on the side wall of the main housing facing the front panel, and the connection terminals inside the terminal block and the terminal post are electrically connected to the molded case circuit breaker respectively.

[0008] Preferably, the molded case circuit breaker is fixedly connected to a base plate, and the base plate is detachably connected to the main housing.

[0009] Preferably, handles are respectively provided on both sides of the front panel, and the handles are detachably connected to the front panel and / or the main shell.

[0010] Preferably, the length, width and height dimensions of the rack-mounted distribution box are respectively the same as those of the energy storage cabinet PACK box body, and the main shell is drawer-type horizontally pull-out and detachably connected to the box body slot of the energy storage cabinet.

[0011] More preferably, both sides of the front panel are respectively provided with wing plates extending outward horizontally, the wing plates extend beyond the side wall range of the main shell, and the extending dimension of the wing plates is greater than the width of the box slot of the energy storage cabinet.

[0012] More preferably, the wing plate is provided with fixing holes, and the positions of the fixing holes match the positions of the screw holes on the box body slot of the energy storage cabinet.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model coaxially rotates the extended rotary handle connected to the front panel to connect the rotary operating end of the molded case circuit breaker, so that the operator does not need to open the front panel during operation and maintenance, and can operate without direct visual contact, making the operation of the molded case circuit breaker more intuitive, quick, convenient, safe and labor-saving.

[0015] 2. The utility model arranges various switches and terminals such as molded case circuit breakers, signal lights, micro-breakers, module terminals, AC terminals, etc. in a centralized manner, and connects the circuits of various switches and terminals smoothly through internal advance wiring. The distribution box has high integration, high space utilization, more convenient installation and maintenance, and can realize assembly line assembly.

[0016] 3. The utility model solves the defect that the existing molded case circuit breaker has no opening and closing feedback signal light by linking the extended rotary handle, the molded case circuit breaker and the signal light, so that the operating and maintenance personnel can know the opening and closing state and working condition of the molded case circuit breaker in real time outside the distribution box, and the signal light feedbacks the opening and closing state of the molded case circuit breaker more intuitively. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of a rack-mounted distribution box for an energy storage cabinet;

[0018] Figure 2 It is an exploded diagram of a rack-mounted power distribution box;

[0019] Figure 3 yes Figure 2 A local enlarged schematic diagram of the A direction;

[0020] Figure 4 It is a schematic diagram of the front panel;

[0021] Figure 5 This is a schematic diagram of the installation position of the rack-mounted distribution box on the energy storage cabinet;

[0022] Figure 6 yes Figure 5 A local enlarged schematic diagram in the B direction.

[0023] Among them, 1. Main shell; 2. Front panel; 3. Upper cover; 4. Molded case circuit breaker; 5. Heat dissipation grille; 6. Mounting through hole; 7. Signal light; 8. Micro-break switch; 9. Module terminal; 10. AC terminal; 11. Extended rotary handle; 12. Terminal block; 13. Terminal post; 14. Bottom plate; 15. Handle; 16. Energy storage cabinet PACK box; 17. Wing plate; 18. Fixing hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the relevant technologies in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 6 As shown, a rack-type distribution box for an energy storage cabinet comprises: a main shell 1, a front panel 2, and an upper cover 3. The main shell 1 is in the shape of a groove surrounded by three sides. The front panel 2 is detachably connected to the unenclosed side of the groove of the main shell 1. The upper cover 3 is detachably buckled on the main shell 1 and the front panel 2 from top to bottom to form a rectangular cavity to encapsulate a molded case circuit breaker 4. The rotating operating end of the molded case circuit breaker 4 faces the inner side of the front panel 2. A heat dissipation grille 5 is provided on the side of the main shell 1; a plurality of installation through holes 6 of different models are provided on the front panel 2, and a signal lamp 7, a micro-break switch 8, a module terminal 9, and an AC terminal 10 are detachably installed in the installation through holes 6, respectively. The signal lamp 7, the micro-break switch 8, the module terminal 9, and the AC terminal 10 are located on the inner side of the front panel 2. The ends are electrically connected to the molded case circuit breakers 4 respectively; the rack-type distribution box centrally arranges various switches and terminals such as the molded case circuit breaker 4, the signal light 7, the micro-breaker switch 8, the module terminal block 9, the AC terminal block 10, etc., and the circuits of the switches and the terminal blocks are connected smoothly through the internal advance wiring, which meets the actual needs of control, wiring and circuit combing, and can be classified, fixed, wired and inspected by professional workers in the workshop before leaving the factory, thereby improving the reliability and safety of the internal wiring and connection of the rack-type distribution box; the micro-breaker switch 8 can control the on and off and opening and closing of different battery PACKs, the module terminal block 9 distributes the external power supply to different battery PACKs, and the AC terminal block 10 facilitates the external power supply to be connected to the entire energy storage cabinet;

[0026] An extended rotary handle 11 is also rotatably connected to the front panel 2, and the rotation axis of the extended rotary handle 11 is perpendicular to the outer surface of the front panel 2. The rotary rod of the extended rotary handle 11 extends from the front panel 2 into the main housing 1 and is coaxially rotatably connected to the rotary operating end of the molded case circuit breaker 4; the extended rotary handle 11 is arranged on the front panel 2 to control the rotary operation of the molded case circuit breaker 4 inside the rack-type distribution box. At the same time, the extended rotary handle 11, the molded case circuit breaker 4, and the signal light 7 cooperate with each other to solve the defect that the existing molded case circuit breaker 4 has no opening and closing feedback signal light, so that the operating and maintenance personnel can understand the opening and closing state and working condition of the molded case circuit breaker 4 in real time outside the distribution box, so that the operation and maintenance do not need to open the front panel 2, and can be operated without direct visual contact, making the operation and maintenance of the molded case circuit breaker 4 more intuitive, fast and convenient;

[0027] A terminal block 12 and a terminal post 13 are detachably connected to the side wall of the main shell 1 facing the front panel 2, and the connection ends inside the terminal block 12 and the terminal post 13 are electrically connected to the molded case circuit breaker 4 respectively; the terminal block 12 and the terminal post 13 facilitate circuit connection at the rear side of the energy storage cabinet or directly plug into the back plate of the energy storage cabinet, improve the integration of the power circuit and the control circuit of the energy storage cabinet, facilitate the separation of the low-voltage control circuit and the high-voltage power circuit, and make the circuit environment and the operating environment safer.

[0028] Furthermore, the molded case circuit breaker 4 is fixedly connected to the base plate 14, and the base plate 14 is detachably connected to the main housing 1; the base plate 14 is separated from the main housing 1, which is convenient for operators to have a certain loose operating environment when performing installation, maintenance, and inspection operations. After the operation is completed and checked, the base plate 14 is fixed to the main housing 1; at the same time, it is convenient for the molded case circuit breaker 4 and some of the connections on the base plate 14 and the front panel 2 to be completed in advance in the factory or workshop, thereby improving the efficiency and reliability of the installation.

[0029] Furthermore, handles 15 are provided on both sides of the front panel 2, and the handles 15 are detachably connected to the front panel 2 and / or the main shell 1; the handles 15 can be directly installed on the front panel 2 or the main shell 1, or can be installed on both the front panel 2 and the main shell 1 at the same time to form an integral whole with the front panel 2 and the main shell 1; it is convenient for the operator to plug, unplug and replace the distribution box in the rack by holding the handles 15.

[0030] Furthermore, the length, width and height dimensions of the rack-mounted distribution box are respectively the same as those of the energy storage cabinet PACK box body 16, and the main shell 1 is drawer-like and horizontally pull-out and detachably connected to the box body slot of the energy storage cabinet; the distribution box is the same size as the energy storage cabinet PACK box body 16 placed in the rack, which facilitates the insertion, installation and fixation of the distribution box and the reserved groove in the rack, making the installation method of the distribution box and the rack simple, fast, safe and reliable.

[0031] Furthermore, both sides of the front panel 2 are respectively provided with wing plates 17 extending outward horizontally, the wing plates 17 extending beyond the side wall range of the main shell 1, and the extending dimension of the wing plates 17 is greater than the width of the box slot of the energy storage cabinet; the wing plates 17 are used to prevent the distribution box from being excessively inserted into the reserved slot in the rack. During operation, the distribution box can be inserted into place by simply pressing the inner side of the wing plates 17 against the outer frame of the rack, and the installation position of the terminal block 12 and the terminal post 13 on the rear side panel of the distribution box is optimally connected to the connection terminal or the circuit of the rack backplane.

[0032] Furthermore, the wing plate 17 is provided with a fixing hole 18, and the hole position of the fixing hole 18 matches the screw hole position on the box groove of the energy storage cabinet; the fixing hole 18 is used for the inner side of the wing plate 17 to be close to the outer frame of the rack to ensure that the distribution box is installed in place and then bolted, and the bolt connection locks the position of the distribution box to ensure that the position of the connection and the contact is relatively fixed, and the connection and the contact will not be loosened due to position movement.

[0033] To sum up, the utility model coaxially rotates the extended rotating handle connected to the front panel to connect the rotating operating end of the molded case circuit breaker, so that the operator does not need to open the front panel during operation and maintenance, and can operate without direct visual contact, making the operation of the molded case circuit breaker more intuitive, quick and convenient, and the operation is safer and more labor-saving, so it has broad application prospects.

[0034] It should be emphasized that the above are only preferred embodiments of the present invention and do not constitute any form of limitation to the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A rack-mounted distribution box for an energy storage cabinet, characterized in that: include: A main housing (1), a front panel (2), and an upper cover (3), wherein the main housing (1) is in the shape of a groove surrounded by three sides, the front panel (2) is detachably connected to the unenclosed side of the groove of the main housing (1), the upper cover (3) is detachably buckled from top to bottom on the main housing (1) and the front panel (2) to form a rectangular cavity to enclose the molded case circuit breaker (4), the rotating operating end of the molded case circuit breaker (4) is directly opposite to the inner side of the front panel (2), and a heat dissipation grille (5) is provided on the side of the main housing (1); The front panel (2) is provided with a plurality of installation through holes (6) of different types, and a signal light (7), a micro-break switch (8), a module wiring terminal (9), and an AC wiring terminal (10) are detachably installed in the installation through holes (6), and the connection ends of the signal light (7), the micro-break switch (8), the module wiring terminal (9), and the AC wiring terminal (10) located on the inner side of the front panel (2) are electrically connected to the molded case circuit breaker (4); The front panel (2) is also rotatably connected to an extended rotary handle (11), the rotation axis of the extended rotary handle (11) being perpendicular to the outer surface of the front panel (2), the rotary rod of the extended rotary handle (11) extending from the front panel (2) into the main housing (1) and being coaxially rotatably connected to the rotary operating end of the molded case circuit breaker (4); A terminal block (12) and a terminal post (13) are detachably connected to the side wall of the main housing (1) facing the front panel (2), and the connection ends inside the terminal block (12) and the terminal post (13) are respectively electrically connected to the molded case circuit breaker (4).

2. A rack-mounted distribution box for an energy storage cabinet according to claim 1, characterized in that: The molded case circuit breaker (4) is fixedly connected to a base plate (14), and the base plate (14) is detachably connected to the main housing (1).

3. The rack-mounted distribution box for an energy storage cabinet according to claim 1, characterized in that: Handles (15) are respectively provided on both sides of the front panel (2), and the handles (15) are detachably connected to the front panel (2) and / or the main housing (1).

4. The rack-mounted distribution box for an energy storage cabinet according to claim 1, characterized in that: The length, width and height dimensions of the rack-type distribution box are respectively the same as those of the energy storage cabinet PACK box body (16), and the main housing (1) is drawer-type horizontally pull-out and detachably connected to the box body slot of the energy storage cabinet.

5. A rack-mounted distribution box for an energy storage cabinet according to claim 4, characterized in that: Both sides of the front panel (2) are respectively provided with wing plates (17) extending outward horizontally, the wing plates (17) extending beyond the side wall range of the main shell (1), and the extension dimension of the wing plates (17) is greater than the width of the box body slot of the energy storage cabinet.

6. A rack-mounted distribution box for an energy storage cabinet according to claim 5, characterized in that: The wing plate (17) is provided with a fixing hole (18), and the hole position of the fixing hole (18) matches the hole position of the screw hole on the box body slot of the energy storage cabinet.

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