CN210363426U

CN210363426U - Be applicable to interior charging equipment distribution wiring structure of large-scale parking building that charges

Info

Publication number: CN210363426U
Application number: CN201921180439.1U
Authority: CN
Inventors: 赵盛杰; 马旺; 宋鹏程; 樊晟; 程鹏
Original assignee: Jiangsu Keneng Electric Power Engineering Consulting Co ltd
Current assignee: Jiangsu Keneng Electric Power Engineering Consulting Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-21
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a be applicable to interior battery charging outfit distribution wiring structure of large-scale parking charging building, including hang in the cable testing bridge of floor below, install intensive bus bar unit on the cable testing bridge and arrange a plurality of battery charging outfit on the floor in, a plurality of battery charging outfit are respectively through 0.4kV branch line cable and intensive bus bar unit connection. The structure has the advantages that the intensive bus units are horizontally arranged below the floor slab, so that the occupation of a power distribution room in a building is saved; the rated current-carrying capacity of the intensive bus is larger than that of a conventional 0.4kV cable, the outgoing line scale is enlarged, the use of a cable distribution box is reduced, the cable is saved, and the engineering cost is reduced; the voltage drop is small, the line loss is small, the reliability is high, the service life is long, the appearance is attractive, the distribution equipment is increased or changed more freely, and the requirement of distribution of charging facilities in a large parking charging building is met.

Description

Be applicable to interior charging equipment distribution wiring structure of large-scale parking building that charges

Technical Field

The utility model relates to a be applicable to charging equipment distribution wiring structure in large-scale parking charging building belongs to the power equipment field.

Background

The traditional distribution wiring type 0.4kV trunk cable, the cable distribution box and the 0.4kV branch cable are outgoing, the occupied space is large, the power supply load is small, the voltage drop and the loss are large, and a large number of cables are used.

In a large parking charging building, more charging equipment and high power are provided, and in order to reduce the occupied area of a power distribution room and the cost of cables, more and more charging buildings adopt the wiring type of 0.4kV trunk cables, intensive buses (accessories comprise junction boxes and plug boxes) and 0.4kV branch cables.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the technical problem that the existing charging equipment in the large-scale parking charging building adopts a 0.4kV trunk cable, a cable tapping box and a 0.4kV branch cable to be led out.

The utility model aims at providing a be applicable to interior charging apparatus distribution wiring structure of large-scale parking charging building, adopt intensive generating line unit horizontal installation to derive from the make full use of to vertical space in the building in the design of floor below, be qualified for the next round of competitions through cable and intensive generating line unit cooperation to reduce distribution device area.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a power distribution wiring structure suitable for charging equipment in a large parking charging building comprises a cable bridge hung below a floor slab, an intensive bus unit installed on the cable bridge and a plurality of charging equipment arranged on the floor slab, wherein the plurality of charging equipment are respectively connected with the intensive bus unit through 0.4kV branch cables;

the intensive bus unit comprises a 0.4KV main cable, an intensive bus bridge, an adapter box and a plurality of plug-in boxes, wherein the 0.4KV main cable is horizontally laid in a cable bridge, the intensive bus bridge is suspended below a floor slab, the adapter box is installed on the intensive bus bridge, one end of the adapter box is electrically connected with the intensive bus bridge, and the other end of the adapter box is electrically connected with the 0.4KV main cable; the jack box is installed on the intensive bus bridge at intervals, one end of the jack box is electrically connected with the intensive bus bridge, the other end of the jack box is connected with a 0.4kV branch cable, and the 0.4kV branch cable is connected into the charging equipment.

It is right to the utility model discloses technical scheme's preferred, cable testing bridge and intensive bus bridge hang in the floor below through the gallows.

It is right to the utility model discloses technical scheme's preferred, the transfer box inserts respectively with the jack box in the generating line jack on the intensive bus bridge. The compact bus bridge has two types of three-phase four-wire system and three-phase five-wire system. The rated current of the circuit breaker in the adapter box is generally 400A, 630A and 800A, the rated current of the circuit breaker in the plug box is generally 100A, 160A, 200A and 250A, and the bus socket is flexibly arranged.

Compared with the prior art, the utility model, its beneficial effect is:

1. this be applicable to interior charging apparatus distribution wiring structure of large-scale parking charging building, adapted to the further development of distribution network, reduce distribution device area, make full use of limited land resource, build large-scale charging equipment, combine present charging equipment's needs and the development of charging equipment from now on promptly, utilize 0.4kV trunk cable, intensive generating line (the accessory has the transfer box, the jack box, the gallows, the support) and 0.4kV branch cable, form the pattern of multiple spot outlet, the generating line interface sets up in a flexible way, satisfy the requirement of the interior charging equipment of large-scale parking charging building to distribution wiring.

2. The power distribution wiring structure is suitable for the charging equipment in the large parking charging building, the intensive bus units are horizontally arranged below the floor slab, and the occupation of a power distribution room in the building is saved; the rated current-carrying capacity of the intensive bus is larger than that of a conventional 0.4kV cable, the outgoing line scale is enlarged, the use of a cable distribution box is reduced, the cable is saved, and the engineering cost is reduced; the voltage drop is small, the line loss is small, the reliability is high, the service life is long, the appearance is attractive, the distribution equipment is increased or changed more freely, and the requirement of distribution of charging facilities in a large parking charging building is met.

Drawings

Fig. 1 is a cross-sectional view of a 0.4kV trunk cable, an intensive bus and a 0.4kV branch distribution outlet.

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to fig. 1 and the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1:

as shown in fig. 1, the power distribution wiring structure for the charging equipment in the large parking charging building comprises a cable bridge 1 suspended below a floor slab 2 through a hanger 9, an intensive bus unit installed on the cable bridge 1, and a plurality of charging equipment 3 arranged on the floor slab 2, wherein the plurality of charging equipment 3 are respectively connected with the intensive bus unit through 0.4kV branch cables 4.

The intensive bus unit comprises a 0.4KV trunk cable 8, an intensive bus bridge 5, an adapter box 6 and a plurality of plug-in boxes 7, wherein the 0.4KV trunk cable 8 is horizontally laid in the cable bridge 1, the intensive bus bridge 5 is suspended below the floor 2 through a hanging bracket 9, the adapter box 6 is installed on the intensive bus bridge 5, one end of the adapter box 6 is electrically connected with the intensive bus bridge 5, and the other end of the adapter box 6 is electrically connected with the 0.4KV trunk cable 8; the jack boxes 7 are installed on the intensive bus bridge 5 at intervals, one end of each jack box 7 is electrically connected with the intensive bus bridge 5, the other end of each jack box 7 is connected with the 0.4kV branch cable 4, and the 0.4kV branch cable 4 is connected into the charging equipment 3.

In this embodiment, a 0.4kV branch cable 4 is led out from the jack box 7, and the 0.4kV branch cable 4 passes through a reserved hole of a floor slab below the charging device 3 to be connected to the charging device 3.

When the charging device 3 is located right above the jack box 7, the 0.4kV branch cable 4 connected with the jack box 7 penetrates through a reserved hole in the floor slab 2 below the charging device 3 to be connected to the charging device 3.

When the charging equipment 3 is far away from the plug box 7, the 0.4kV branch cable 4 connected with the plug box 7 is firstly laid in the cable bridge 1, and when the cable bridge 1 reaches the position of the charging equipment 3, the 0.4kV branch cable 4 penetrates through a reserved hole in the floor slab 2 below the charging equipment 3 to be connected with the charging equipment 3.

The adapter box 6 and the jack box 7 are respectively inserted into the bus jack on the intensive bus bridge 5. The compact bus bridge has two types of three-phase four-wire system and three-phase five-wire system. The rated current of the circuit breaker in the adapter box is generally 400A, 630A and 800A, the rated current of the circuit breaker in the plug box is generally 100A, 160A, 200A and 250A, and the bus socket is flexibly arranged. The junction box 6, the jack box 7 and the compact bus bridge are known products in the art and are directly available for purchase.

The present example uses a wiring pattern of 0.4kV trunk cables 8, dense busbar units and 0.4kV spur cables 4. A plurality of outgoing lines are arranged below the floor slab at intervals by utilizing the characteristic that the intensive bus units are horizontally arranged below the floor slab, and 0.4kV branch cables 4 are laid in a horizontal cable bridge and penetrate through reserved holes of the floor slab below the charging equipment foundation to be connected into the charging equipment. The application of the wiring type of the 0.4kV trunk cable 8, the intensive bus unit and the 0.4kV branch cable saves a cable distribution box, saves the occupation of a distribution room in a building, and effectively improves the utilization efficiency of a field in the charging building; the cable is saved, and the construction cost is reduced; meanwhile, the circuit voltage is reduced, the circuit loss is low, the reliability is high, the service life is long, the appearance is attractive, the distribution equipment is increased or changed more freely, and the requirement of distribution of the charging equipment in a large parking charging building is met. The extension of the charging building can also be realized by adopting the wire outlet method. The power distribution device form is not limited by the grade of the voltage.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The power distribution wiring structure of the charging equipment in the large parking charging building is characterized by comprising a cable bridge (1) suspended below a floor slab (2), an intensive bus unit installed on the cable bridge (1) and a plurality of charging equipment (3) arranged on the floor slab (2), wherein the plurality of charging equipment (3) are respectively connected with the intensive bus unit through 0.4kV branch cables (4);

the intensive bus unit comprises a 0.4KV trunk cable (8), an intensive bus bridge (5), a transfer box (6) and a plurality of plug boxes (7), wherein the 0.4KV trunk cable (8) is horizontally laid in the cable bridge (1), the intensive bus bridge (5) is suspended below the floor (2), the transfer box (6) is installed on the intensive bus bridge (5), one end of the transfer box (6) is electrically connected with the intensive bus bridge (5), and the other end of the transfer box (6) is electrically connected with the 0.4KV trunk cable (8); the plug-in box (7) are installed on the intensive bus bridge (5) at intervals, one end of the plug-in box (7) is electrically connected with the intensive bus bridge (5), the other end of the plug-in box (7) is connected with the 0.4kV branch cable (4), and the 0.4kV branch cable (4) is connected with the charging equipment (3).

2. The structure of claim 1, wherein the cable bridge (1) and the dense bus bridge (5) are suspended below the floor (2) by the hanging bracket (9).

3. The power distribution wiring structure suitable for the charging equipment in the large parking charging building as claimed in claim 1, wherein the junction box (6) and the plug box (7) are respectively inserted into the bus plug socket on the intensive bus bridge (5).