CN220984896U

CN220984896U - Cable wiring assembly, power cabinet and test system

Info

Publication number: CN220984896U
Application number: CN202322659524.9U
Authority: CN
Inventors: 王力; 林灵峰; 张帅伟
Original assignee: Hangzhou Shanchong Juneng New Energy Co ltd
Current assignee: Hangzhou Shanchong Juneng New Energy Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-17
Anticipated expiration: 2033-09-27

Abstract

The application relates to a cable wiring assembly, a power cabinet and a testing system, wherein the assembly comprises: at least two wiring rows, a separation plate, a wiring device and an error-proofing tool; the isolation plate is arranged between the adjacent wiring rows and forms a limit area with any adjacent wiring row; the wiring device is connected to the wiring row through a fastener; in the limiting area, the mistake proofing tool is connected to the wiring device through a fastener. According to the technical scheme, the wiring device in the limiting area and the non-limiting area is modified by utilizing the limiting area and the non-limiting area formed by the wiring bars and the isolating plate, so that the correct installation position of the cable can be ensured, and the phase sequence of the cable is prevented from being misplaced.

Description

Cable wiring assembly, power cabinet and test system

Technical Field

The application relates to the technical field of wiring, in particular to a cable wiring assembly, a power cabinet and a testing system.

Background

At present, the wiring copper bars of the power cabinet of the high-power charging pile are divided into two groups, such as L1, L2 and L3, and the current distribution is used for reducing the cable selection requirement and the wiring requirement; l1, L2 and L3 respectively represent three phase sequences of three-phase alternating current; the wiring end of the power cable is required to be pressed with a copper nose, and the copper nose is connected with the copper bar of the power cabinet through bolt fastening so as to complete electric power transmission. However, the copper nose is a standard component, the structure and the appearance of the copper nose at the three-phase end are completely consistent, three different phase sequence cables L1, L2 and L3 are not easy to distinguish from each other in appearance, the installation phase is easy to be wrong, the L1, L2 and L3 are distinguished only through manual identification of colors in the wiring process, if an operator connects the wrong phase sequence, the short circuit of a circuit can be caused, and after the power is applied, the equipment can explode to cause serious safety accidents.

In view of the above problems, those skilled in the art have sought solutions.

Disclosure of utility model

The application aims to overcome the defects of the prior art and provides a cable wiring assembly, a power cabinet and a testing system.

In order to achieve the above object, the present application is realized by the following technical scheme:

A cable wiring assembly comprising: at least two wiring rows, a separation plate, a wiring device and an error-proofing tool;

the isolation plate is arranged between the adjacent wiring rows and forms a limit area with any adjacent wiring row;

The wiring device is connected to the wiring row through a fastener;

In the limiting area, the mistake proofing tool is connected to the wiring device through a fastener.

Optionally, the wiring row includes a first wiring row, a second wiring row and a third wiring row, the isolation board includes a first isolation board and a second isolation board, the wiring device includes a first wiring device, a second wiring device and a third wiring device, and the error proofing fixture includes a first error proofing fixture and a second error proofing fixture;

The first isolation plate and the first wiring row form a first limit area, the second isolation plate and the second wiring row form a second limit area, and the third wiring row forms a non-limit area;

The three wiring devices are respectively connected with the three wiring rows through fasteners;

In the first limiting area, the first error proofing fixture is connected to the first wiring device through a fastener;

In the non-limiting area, the second error proofing fixture is connected to the third wiring device through a fastener.

Optionally, the wiring device comprises a nose wing and a wire bin; the nose wings are fixedly connected with the wire bin; the nose wings are used for fixing the wiring device to the wiring row, and the wire bin is used for connecting and fixing the wires.

Optionally, the first error-proofing tool and the second error-proofing tool are T-shaped error-proofing tools, and the T-shaped error-proofing tools are used for distinguishing the first wiring device, the second wiring device and the third wiring device from each other in a connection;

In the first limiting area, the first error proofing fixture is connected to the outer side of a nose wing of the first wiring device through a fastener;

in the non-limiting area, the second error proofing fixture is connected to the nose wing side, far away from the second isolation plate, of the third wiring device through a fastener.

Optionally, the cable wiring assembly further includes a mounting base plate; the wiring device is connected to the wiring row through the mounting bottom plate;

The first error proofing tool and the second error proofing tool are step-type error proofing tools, and the step-type error proofing tools are used for distinguishing the first wiring device, the second wiring device and the third wiring device from each other in a connecting line;

In the first limiting area, the first error proofing fixture is arranged on the outer side of a nose wing of the first wiring device through the mounting bottom plate;

In the non-limiting area, the second error proofing fixture is arranged on the nose wing side, far away from the second isolation plate, of the third wiring device through the mounting bottom plate.

Optionally, the cable connection assembly includes three wire rows, two isolation plates, two first-type wire connection devices, and one second-type wire connection device;

In the first limiting area, the first type wiring device is connected to the first wiring row through a fastener;

in the second limiting area, the second-type wiring device is connected to the second wiring row through a fastener;

in the non-limiting area, the first-type wiring device is connected to the third wiring row through a fastener.

Optionally, the width of at least one side of the first model wiring device alar is widened compared to the width of the second model wiring device alar.

The application further provides a power cabinet, which comprises the cable wiring assembly.

The application also provides a testing system which comprises the power cabinet, a main power cabinet, a power distribution cabinet and aging testing equipment;

The power distribution cabinet is electrically connected with the main power cabinet and the power cabinet, and the aging test equipment is electrically connected with the main power cabinet;

the power distribution cabinet, the main power cabinet and the power cabinet are all used for distributing voltage;

The aging test equipment is used for testing the service life and the stability of the tested equipment.

Optionally, the system further comprises a high voltage bus; the high-voltage bus is used for supplying power to the test system.

The application provides a cable wiring assembly, a power cabinet and a testing system, wherein a limiting area and a non-limiting area are formed by wiring rows and isolating plates, wiring devices in the limiting area and the non-limiting area are modified, the correct mounting position of a cable can be ensured, and the phase sequence of the cable is prevented from being misplaced.

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The application is described in detail below with reference to the drawings and the detailed description;

fig. 1 is a schematic structural diagram of a cable connection assembly according to a first embodiment of the present application;

Fig. 2 is a schematic structural diagram of a cable connection assembly according to a second embodiment of the present application;

fig. 3 is a schematic structural diagram of a cable connection assembly according to a third embodiment of the present application.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

The present application provides a cable wiring assembly comprising: at least two wiring rows, a separation plate, a wiring device and an error-proofing tool;

the wiring device is connected to the wiring row through a fastener;

In the limiting area, the mistake proofing fixture is connected to the wiring device through a fastener.

In an embodiment of the application, the wiring bars are copper bars. Copper bars, also known as copper bus bars or copper bus bars, are long conductors (rounded copper bars are commonly used at present to avoid tip discharge) made of copper materials and having rectangular or chamfered (rounded) cross sections, and play roles in conveying current and connecting electrical equipment in a circuit.

In an embodiment of the application, the wiring device is a copper nose. The copper nose is used for connecting and splicing the tail ends of the cables, so that the cables and the electric appliances can be connected more firmly and safely.

An error proofing fixture is a process or mechanism device used to minimize errors or defects in the manufacturing process.

In an embodiment of the application, the fastener is a bolt.

In the embodiment of the application, the isolation plate can be welded with the adjacent wiring rows, so that a limit area with only two free sides can be formed.

Optionally, the wiring row comprises a first wiring row, a second wiring row and a third wiring row, the isolation plate comprises a first isolation plate and a second isolation plate, the wiring device comprises a first wiring device, a second wiring device and a third wiring device, and the error proofing fixture comprises a first error proofing fixture and a second error proofing fixture;

The first spacing region is constituteed with first wiring row to first division board, and the second spacing region is constituteed with second wiring row to second division board, and the non-spacing region is constituteed to the third wiring row.

The three wiring devices are respectively connected to the three wiring rows through fasteners.

In the first limiting area, the first error proofing fixture is connected to the first wiring device through a fastener.

Optionally, the wiring device comprises a nose wing and a wire bin; the nose wings are fixedly connected with the wire bin; the nose wings are used for fixing the wiring device on the wiring row, and the wire bin is used for connecting and fixing the cables.

Example 1

Fig. 1 is a schematic structural diagram of a cable connection assembly according to an embodiment of the present application, referring to fig. 1, in an embodiment 1, optionally, a connection row includes a first connection row A1, a second connection row A2, and a third connection row A3, a partition board includes a first partition board B1 and a second partition board B2, a connection device includes a first connection device L1, a second connection device L2, and a third connection device L3, and an error-proofing tool includes a first error-proofing tool T1 and a second error-proofing tool T2.

The first wiring device L1 is connected to the first wiring row A1 through a first bolt C1, the second wiring device L2 is connected to the second wiring row A2 through a second bolt C2, and the third wiring device L3 is connected to the third wiring row A3 through a third bolt C3.

The wiring device comprises a nose wing and a wire bin, the first wiring device L1 comprises a first nose wing L11 and a first wire bin L12, and the third wiring device L3 comprises a third nose wing L31 and a third wire bin L32.

The first spacing region is formed by the first isolation plate B1 and the first wiring row A1, the second spacing region is formed by the second isolation plate B2 and the second wiring row A2, and the non-spacing region is formed by the third wiring row A3.

The first error proofing fixture T1 and the second error proofing fixture T2 are T-shaped error proofing fixtures, and the T-shaped error proofing fixtures are used for distinguishing the first wiring device L1, the second wiring device L2 and the third wiring device L3 in the connecting wire.

In this embodiment, T type frock integrated design, T type frock and termination processing specification unanimous bolt hole, through the bolt with T type frock and termination fastening make up integratively.

In the first limiting area, the first error-proofing tool T1 is connected to the outer side of the first nose wing L11 through a fastener.

In the non-limiting area, the second error proofing fixture T2 is connected to the side of the third nose wing L31 far away from the second isolation plate B2 through a fastener.

In this embodiment, the first isolation board B1 is welded to the first wiring row A1, and has a first limiting area with two free sides, and the T-leg of the T-shaped error proofing fixture is fixed on the outer side of the first nose wing L11, which is far away from the first isolation board B1, through a bolt.

The second isolation board B2 is welded with the second wiring row A2 to form a second limiting area, and because the distance between the nose wings between the first wiring device L1 and the second wiring device L2 is small, the distance between the nose wings between the second wiring device L2 and the third wiring device L3 is small, and an error-proofing tool which has the same specification as the first error-proofing tool T1 is difficult to set on the nose wings of the second wiring device L2. In other embodiments, an error proofing fixture with a smaller specification (e.g., a first error proofing fixture T1 with a reduced scale) may be disposed on the nose wing of the second wiring device L2 in the second limiting area.

The third wiring row A3 forms a non-limiting area, the distance between the second wiring device L2 and the third wiring device L3 is small, the error-proofing tool which has the same specification as the first error-proofing tool T1 is difficult to be arranged on one side of the third nose wing L31, which is close to the second isolation plate B2, but the error-proofing tool which has the same specification as the first error-proofing tool T1, namely the second error-proofing tool T2, is arranged on one side of the third nose wing L31, which is far away from the second isolation plate B2.

That is, in the embodiment, the first wiring device L1 is located in a first limiting area and is provided with a T-shaped error-proofing tool T1, the second wiring device L2 is located in a second limiting area and is not provided with any error-proofing tool, and the third wiring device L3 is located in an non-limiting area and is provided with a T-shaped error-proofing tool T2.

In this kind of position structure, rely on the mechanical spacing that wiring row, division board are constituteed, increase limit structure in first termination L1 right side and third termination L3 left side respectively, this limit structure stands out in first termination L1 left side and third termination L3 right side, and set up T type mistake proofing frock in first termination L1 nose wing left side and third termination L3 nose wing right side, with this first termination L1 of distinguishing different phase sequences, second termination L2 and third termination L3, increase limit structure's termination can only install in the position of corresponding phase sequence, can avoid phase sequence mistake.

Example 2

Fig. 2 is a schematic structural diagram of a cable connection assembly according to a second embodiment of the present application, referring to fig. 2, in which in embodiment 2, the cable connection assembly further includes a mounting base plate, and the connection device is connected to the connection row through the mounting base plate.

The wiring row includes first wiring row A1, second wiring row A2 and third wiring row A3, and the division board includes first division board B1 and second division board B2, and termination includes first termination L1, second termination L2 and third termination L3, and mistake proofing frock includes first mistake proofing frock S1 and second mistake proofing frock S2, and mounting plate includes first mounting plate M1 and second mounting plate M2.

The first error proofing fixture S1 and the second error proofing fixture S2 are step type error proofing fixtures, and the step type error proofing fixtures are used for distinguishing the first wiring device L1, the second wiring device L2 and the third wiring device L3 in the connection line.

In this embodiment, step type frock integral type design, step type frock and termination processing specification unanimous bolt hole, through mounting plate and bolt with step type frock and termination fastening constitution an organic whole.

In the first limiting area, the first error proofing fixture S1 is connected to the outer side of the first nose wing L11 through a fastener.

In the non-limiting area, the second error proofing fixture S2 is connected to the side of the third nose wing L31 far away from the second isolation plate B2 through a fastener.

The arrangement principle of this embodiment is similar to that of embodiment 1, and will not be described here.

In this embodiment, the first wiring device L1 is located in a first limiting area and is provided with a step-type error-proofing tool T1, the second wiring device L2 is located in a second limiting area and is not provided with any error-proofing tool, and the third wiring device L3 is located in a non-limiting area and is provided with a step-type error-proofing tool T2.

In this kind of position structure, rely on the mechanical spacing that wiring row, division board are constituteed, increase limit structure in first termination L1 right side and third termination L3 left side respectively, this limit structure stands out in first termination L1 left side and third termination L3 right side, and set up step mistake proofing frock in first termination L1 nose wing left side and third termination L3 nose wing right side, with this first termination L1 of distinguishing different phase sequences, second termination L2 and third termination L3, increase limit structure's termination can only install in the position of corresponding phase sequence, can avoid phase sequence mistake.

Example 3

Fig. 3 is a schematic structural diagram of a cable connection assembly according to a third embodiment of the application, referring to fig. 3, in embodiment 3,

The wiring row comprises a first wiring row A1, a second wiring row A2 and a third wiring row A3, the isolation plate comprises a first isolation plate B1 and a second isolation plate B2, and the wiring device comprises a first wiring device L1, a second wiring device L2 and a third wiring device L3.

In this embodiment, the first wiring device L1 and the third wiring device L3 are both of a first type, and the second wiring device L2 is of a second type. Specifically, the width of at least one side of the first model wiring device alar is widened compared to the width of the second model wiring device alar.

In the first limiting area, the first connection device L1 is connected to the first connection row A1.

In the second limiting area, the second connection device L2 is connected to the second connection row A2.

In the non-limiting area, the third connection device L3 is connected to the third connection row A3.

In this embodiment, the first wiring device L1 is located in the first limiting area and the left side of the nose wing is widened, the second wiring device L2 is located in the second limiting area without other changes, and the third wiring device L3 is located in the non-limiting area and the right side of the nose wing is widened.

In such a position structure, a first type of wiring device is designed, for example, the left side of the nose wing of the first wiring device L1 and the right side of the nose wing of the third wiring device L3 are widened, and the widened width can be designed according to the size of the area formed by the wiring row and the isolation plate; the first wiring device L1 and the third wiring device L3 of different phase lines are customized according to the design scheme, the second wiring device L2 adopts a second model (such as a standard component), and the wiring devices of different phase lines can only be installed at the installation positions of the phase lines, so that the phase lines can be prevented from being connected in wrong positions.

According to the technical scheme, the wiring device of the original model is subjected to error-proofing modification or custom development, and the unique phase line installation position and correct phase sequence position can be ensured through simple error-proofing tooling or custom development.

The technical scheme of the application can be also applied to any high-power equipment which needs to be frequently disassembled and connected and is used for three-phase alternating current.

The technical scheme of the application has the following beneficial effects: (1) The design principle and the structure of the mistake proofing tool and the wiring device, namely the copper nose are simple, common raw materials are selected, the manufacture is convenient, and the cost is low; (2) The error-proofing and fool-proofing reliability is high through error-proofing tooling or the width change of the copper nose wing, so that phase line connection error caused by negligence of personnel is effectively avoided; (3) The application of the error proofing tool or the change of the model of the wiring device is consistent with the prior scheme, no additional operation steps are added, and the operation is convenient; the whole scheme is simple and reliable, and the popularization is high.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof. The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element, and furthermore, elements having the same name in different embodiments of the application may have the same meaning or may have different meanings, the particular meaning of which is to be determined by its interpretation in this particular embodiment or by further combining the context of this particular embodiment.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first element could also be termed a second element, and, similarly, a second element could also be termed a first element, without departing from the scope herein. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, depending on the context, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the application.

Claims

1. A cable wiring assembly, comprising: at least two wiring rows, a separation plate, a wiring device and an error-proofing tool;

The wiring device is connected to the wiring row through a fastener;

2. The cable termination assembly of claim 1, wherein the termination row comprises a first termination row, a second termination row, and a third termination row, the spacer comprises a first spacer and a second spacer, the termination device comprises a first termination device, a second termination device, and a third termination device, and the error proofing fixture comprises a first error proofing fixture and a second error proofing fixture;

3. The cable wiring assembly of claim 2, wherein said wiring device comprises a nose wing and a wire bin; the nose wings are fixedly connected with the wire bin; the nose wings are used for fixing the wiring device to the wiring row, and the wire bin is used for connecting and fixing the wires.

4. The cable wiring assembly of claim 3, wherein the first and second error proofing fixtures are T-shaped error proofing fixtures for differentiating the first, second, and third wiring devices from one another in a connection cable;

5. The cable wiring assembly of claim 3, further comprising a mounting base plate; the wiring device is connected to the wiring row through the mounting bottom plate;

6. A cable tie assembly according to claim 3, wherein said cable tie assembly comprises three of said wire rows, two of said separator plates, two first-type wire devices, and one second-type wire device;

7. The cable patching assembly of claim 6, wherein a width of at least one side of said first model patching device nosepiece is widened compared to a width of said second model patching device nosepiece.

8. A power cabinet comprising the cable wiring assembly of any one of claims 1-7.

9. A test system comprising the power cabinet of claim 8, and a main electrical cabinet, a distribution cabinet, and an aging test device;

10. The test system of claim 9, wherein the system further comprises a high voltage bus; the high-voltage bus is used for supplying power to the test system.