Three-phase alternating current commutation device for commercial energy storage system

Abstract

The utility model discloses a three-phase alternating current commutation device for a commercial energy storage system, which comprises a distribution box body, the outer side of the distribution box body is connected with a circuit breaker, a switching terminal strip and a switching connector, the switching connector is electrically connected with the switching terminal strip, the switching terminal strip is electrically connected with the circuit breaker, and the switching terminal strip is electrically connected with the circuit breaker. And an adjustable phase line prompting assembly is arranged at the top of the wire inlet of the adapter connector. The beneficial effects of the utility model are that the switching terminal strip and the switching connector which are used for rapid wiring are configured, so that a worker can conveniently, safely and rapidly change phases; an adjustable phase line prompt assembly is configured, so that the phase change of a worker is accurate, error-free and efficient, and the connection efficiency of phase lines is improved; and each independent energy storage system can alternately take power from different phase lines, so that the three-phase line power supply is in a balanced state, and a power grid is not damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of phase switching devices, and in particular to a three-phase alternating current phase switching device for a commercial energy storage system. Background Art

[0002] The electrical distribution method of industrial and commercial energy storage is: one method is to directly connect to 220V AC power from the outside, but this will increase the number of incoming lines, causing inconvenience to the installation; the other method is to take a phase line from the three-phase AC incoming line side and match it with the N line to take power, which is more convenient. When multiple energy storage systems take power from the same phase line, it will cause an imbalance in the three-phase power supply, which will cause harm to the power grid. Therefore, each energy storage system needs to take power alternately from different phase lines to keep the three-phase power supply in a balanced state. However, the existing power supply method is a fixed aerial plug, which cannot quickly disassemble and replace the phase line, and the connection efficiency is low. Utility Model Content

[0003] In order to achieve the above purpose, the utility model adopts the following technical means:

[0004] A three-phase alternating current phase-changing device for a commercial energy storage system comprises a distribution box body, a circuit breaker, a transfer terminal block and a transfer plug-in are connected to the outside of the distribution box body, the transfer plug-in connects an external three-phase line and a neutral line, the transfer plug-in is electrically connected to the transfer terminal block, the transfer terminal block is electrically connected to the circuit breaker, the circuit breaker is electrically connected to an electrical device in the distribution box body, and an adjustable phase line prompt component connected to the distribution box body is provided on the top of the line inlet of the transfer plug-in.

[0005] A further solution of the utility model is that a mounting positioning plate is connected to the side of the distribution box body.

[0006] A further solution of the utility model is that the adapter plug-in has at least four line inlets.

[0007] A further solution of the utility model is that the adjustable phase line prompt component includes an installation shell connected to a distribution box body, the installation shell is provided with a display window, a rotating shaft is rotatably connected in the installation shell, the rotating shaft is sleeved with a shaft body, the shaft body is connected to a plurality of groups of phase line prompt plates corresponding to the display window, a rotating rod is plugged into one side of the distribution box body, a plug-in end of the rotating rod is connected to an active turntable, the active turntable is transmission-connected to a driven turntable connected to one end of the rotating shaft, a locking rod is plugged into the other side of the distribution box body, and the plug-in end of the locking rod is threadedly connected to the other end of the rotating shaft.

[0008] A further solution of the utility model is that the active turntable, the rotating rod, the rotating shaft, the driven turntable, the shaft body and the locking rod are all made of stainless steel.

[0009] A further solution of the utility model is that the rotating shaft and the shaft body are made in one piece.

[0010] A further solution of the utility model is that the phase line prompt plate is made of plastic.

[0011] A further solution of the utility model is that the phase line prompt plates are provided with five groups, four groups of the phase line prompt plates are respectively marked with U, V, W, and N, and one group of the phase line prompt plates has no markings.

[0012] Beneficial effects of the utility model:

[0013] 1. The utility model is equipped with a fast-wiring adapter terminal block and adapter plug-in, which makes it convenient, safe and fast for workers to change phases; it is equipped with an adjustable phase line prompt component, which makes it accurate, correct and efficient for workers to change phases, thereby improving the connection efficiency of the phase line.

[0014] 2. The utility model enables each individual energy storage system to alternately draw power from different phase lines, so that the three-phase power supply is in a balanced state and will not cause harm to the power grid. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 The enlarged view of point A in the middle;

[0017] Figure 3 This is a schematic diagram of the structure of the adjustable phase line prompt component of the utility model;

[0018] Figure 4 It is a cross-sectional view of the adjustable phase line prompt assembly of the utility model;

[0019] Figure 5 It is a side view of the shaft body of the utility model;

[0020] Figure 6 Schematic diagram of electrical connection of different energy storage cabinets in the embodiment of the utility model;

[0021] Reference numerals:

[0022] Distribution box body 1, installation positioning plate 2, circuit breaker 3, adapter terminal block 4, adapter plug-in 5, adjustable phase line prompt component 6, installation shell 601, display window 602, active turntable 603, rotating rod 604, rotating shaft 605, driven turntable 606, shaft body 607, phase line prompt plate 608, locking rod 609. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are 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.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example 1

[0027] like Figure 1-5 As shown, the utility model provides a three-phase alternating current phase-changing device for a commercial energy storage system, including a distribution box body 1, the outer side of the distribution box body 1 is connected with a circuit breaker 3, a transfer terminal block 4, and a transfer plug-in 5, the transfer plug-in 5 connects the external three-phase line and the neutral line, the transfer plug-in 5 is electrically connected to the transfer terminal block 4, the transfer terminal block 4 is electrically connected to the circuit breaker 3, the circuit breaker 3 is electrically connected to the electrical equipment in the distribution box body 1, and the top of the line inlet of the transfer plug-in 5 is provided with an adjustable phase line prompt component 6 connected to the distribution box body 1.

[0028] How it works

[0029] The input port of the adapter 5 is five-bit, such as Figure 6As shown, for example, in the 1# energy storage cabinet, the No. 1 hole of the adapter plug 5 of the 1# energy storage cabinet is connected to the U line of the three-phase line, the No. 2 hole is connected to the V line of the three-phase line, the No. 3 hole is connected to the W line of the three-phase line, and the No. 5 hole is connected to the N line; then in the 2# energy storage cabinet, the adapter plug 5 of the 2# energy storage cabinet can be connected to the V line of the three-phase line in the No. 1 hole, the U line of the three-phase line in the No. 2 hole, the W line of the three-phase line in the No. 3 hole, and the N line in the No. 5 hole, and remain unchanged; in the 3# energy storage cabinet, the adapter plug 5 of the 3# energy storage cabinet can be connected to the W line of the three-phase line in the No. 1 hole, the V line of the three-phase line in the No. 2 hole, the U line of the three-phase line in the No. 3 hole, and the N line in the No. 5 hole, and remain unchanged; if the number of cabinets is relatively large, the wiring can be connected in this order.

[0030] Example 2

[0031] like Figure 1-5 As shown, the utility model provides a three-phase alternating current phase-changing device for a commercial energy storage system, including a distribution box body 1, the outer side of the distribution box body 1 is connected with a circuit breaker 3, a transfer terminal block 4, and a transfer plug-in 5, the transfer plug-in 5 connects the external three-phase line and the neutral line, the transfer plug-in 5 is electrically connected to the transfer terminal block 4, the transfer terminal block 4 is electrically connected to the circuit breaker 3, the circuit breaker 3 is electrically connected to the electrical equipment in the distribution box body 1, and the top of the line inlet of the transfer plug-in 5 is provided with an adjustable phase line prompt component 6 connected to the distribution box body 1.

[0032] The side of the distribution box body 1 is connected with an installation positioning plate 2. This arrangement can facilitate the positioning and installation of the distribution box body 1, and can effectively improve the working efficiency and working effect of the distribution box body 1.

[0033] The adapter 5 has at least four inlet ports. This arrangement can facilitate the adapter 5 to connect to a variety of inlet ports, and can effectively improve the working efficiency and working effect of the adapter 5.

[0034] Example 3

[0035] like Figure 1-5 As shown, the utility model provides a three-phase alternating current phase-changing device for a commercial energy storage system, including a distribution box body 1, the outer side of the distribution box body 1 is connected with a circuit breaker 3, a transfer terminal block 4, and a transfer plug-in 5, the transfer plug-in 5 connects the external three-phase line and the neutral line, the transfer plug-in 5 is electrically connected to the transfer terminal block 4, the transfer terminal block 4 is electrically connected to the circuit breaker 3, the circuit breaker 3 is electrically connected to the electrical equipment in the distribution box body 1, and the top of the line inlet of the transfer plug-in 5 is provided with an adjustable phase line prompt component 6 connected to the distribution box body 1.

[0036] The adjustable phase line prompt component 6 includes an installation shell 601 connected to the distribution box body 1, and the installation shell 601 is provided with a display window 602. A rotating shaft 605 is rotatably connected inside the installation shell 601, and the rotating shaft 605 is sleeved with a shaft body 607. The shaft body 607 is connected to multiple groups of phase line prompt plates 608 that can correspond to the display window 602. A rotating rod 604 is inserted into one side of the distribution box body 1, and the plug-in end of the rotating rod 604 is connected to an active turntable 603. The active turntable 603 is transmission-connected to a driven turntable 606 connected to one end of the rotating shaft 605. A locking rod 609 is inserted into the other side of the distribution box body 1, and the plug-in end of the locking rod 609 is threadedly connected to the other end of the rotating shaft 605. Loosen the locking rod 609, the rotating shaft 605 can rotate in the installation housing 601, rotate the rotating rod 604, the rotating rod 604 drives the active turntable 603 to rotate, the active turntable 603 drives the driven turntable 606 to rotate, the driven turntable 606 drives the rotating shaft 605 to rotate, the rotating shaft 605 drives the shaft body 607 to rotate, the rotation of the shaft body 607 can make the phase line prompt plate 608 correspond to the display window 602, and the user can see the prompt information of the phase line prompt plate 608 through the display window 602. This setting can facilitate the user to adjust the prompt information of the adjustable phase line prompt component 6, and can allow the user to clearly know which phase line is the plug-in line, effectively improve the accuracy of the phase line plug-in, and effectively improve the work efficiency of the phase line plug-in.

[0037] The active turntable 603, the rotating rod 604, the rotating shaft 605, the driven turntable 606, the shaft 607, and the locking rod 609 are all made of stainless steel. Stainless steel products have good hardness, and at the same time, they also have good wear resistance and corrosion resistance. The active turntable 603, the rotating rod 604, the rotating shaft 605, the driven turntable 606, the shaft 607, and the locking rod 609 made of stainless steel have a long service life.

[0038] The rotating shaft 605 and the shaft body 607 are made in one piece. This arrangement can effectively improve the tightness between the rotating shaft 605 and the shaft body 607, and can effectively prevent the rotating shaft 605 and the shaft body 607 from breaking.

[0039] The phase line prompting plate 608 is made of plastic. The plastic product has a relatively light weight and good wear resistance and corrosion resistance. The phase line prompting plate 608 made of plastic has a long service life.

[0040] There are five groups of phase line prompting plates 608, four groups of phase line prompting plates 608 are marked with U, V, W, and N respectively, and one group of phase line prompting plates 608 has no marking. This arrangement can facilitate the adjustable phase line prompting component 6 to prompt the three-phase line and the neutral line, effectively improving the working efficiency and working effect of the adjustable phase line prompting component 6.

[0041] The examples given in the present invention are not limitations on the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived from them are still within the scope of protection of the present invention.

Claims

1. A three-phase alternating current phase switching device for a commercial energy storage system, characterized in that: The invention comprises a distribution box body (1), the outer side of which is connected to a circuit breaker (3), a transfer terminal block (4), and a transfer plug-in (5), the transfer plug-in (5) connecting an external three-phase line and a neutral line, the transfer plug-in (5) being electrically connected to the transfer terminal block (4), the transfer terminal block (4) being electrically connected to the circuit breaker (3), the circuit breaker (3) being electrically connected to an electrical device in the distribution box body (1), and an adjustable phase line prompting component (6) connected to the distribution box body (1) being provided at the top of the line inlet of the transfer plug-in (5).

2. A three-phase alternating current phase switching device for a commercial energy storage system according to claim 1, characterized in that: A mounting positioning plate (2) is connected to the side of the distribution box body (1).

3. A three-phase alternating current phase switching device for a commercial energy storage system according to claim 1, characterized in that: The adapter plug-in (5) has at least four line inlets.

4. A three-phase alternating current phase switching device for a commercial energy storage system according to claim 1, characterized in that: The adjustable phase line prompt component (6) comprises a mounting shell (601) connected to a distribution box body (1), the mounting shell (601) being provided with a display window (602), a rotating shaft (605) being rotatably connected inside the mounting shell (601), the rotating shaft (605) being sleeved with a shaft body (607), the shaft body (607) being connected with a plurality of phase line prompt plates (608) that can correspond to the display window (602), a rotating rod (604) being plugged into one side of the distribution box body (1), a driving rotating disk (603) being connected to the plug-in end of the rotating rod (604), the driving rotating disk (603) being drivingly connected to a driven rotating disk (606) connected to one end of the rotating shaft (605), a locking rod (609) being plugged into the other side of the distribution box body (1), the plug-in end of the locking rod (609) being threadedly connected to the other end of the rotating shaft (605).

5. A three-phase alternating current phase switching device for a commercial energy storage system according to claim 4, characterized in that: The active rotating disk (603), the rotating rod (604), the rotating shaft (605), the driven rotating disk (606), the shaft body (607), and the locking rod (609) are all made of stainless steel.

6. A three-phase alternating current phase switching device for a commercial energy storage system according to claim 5, characterized in that: The rotating shaft (605) and the shaft body (607) are manufactured in one piece.

7. A three-phase alternating current phase switching device for a commercial energy storage system according to claim 4, characterized in that: The phase line prompt plate (608) is made of plastic.

8. A three-phase alternating current phase switching device for a commercial energy storage system according to claim 7, characterized in that: The phase line prompt plates (608) are provided in five groups, four groups of the phase line prompt plates (608) are respectively marked with U, V, W, and N, and one group of the phase line prompt plates (608) has no markings.

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