CN220857311U - Inlet wire protection device and low-voltage power distribution cabinet with same - Google Patents

Abstract

The utility model provides an incoming line protection device and a low-voltage power distribution cabinet with the same. The inlet wire protection device includes: the protection box is internally provided with a baffle plate to divide the protection box into a first installation space and a second installation space, the first installation space is internally provided with a wiring copper bar, and the second installation space is internally provided with a surge protector and a fuse; the protection box is provided with two opposite opening ends, the end parts of the wiring copper bars extend out of the protection box through the opening ends, the protection box is further provided with an avoidance channel, and at least one of the surge protector and the fuse extends out of the protection box through the avoidance channel. By means of the scheme, the protection box is integrated with the wiring copper bar, the surge protector and the fuse, the first installation space and the second installation space which are independently arranged enable the internal circuit to be clear and not messy, and the protection box is convenient to install and place, so that the problems that in the prior art, when a plurality of devices are installed at the front end of the equipment main inlet wire switch, the devices are scattered and inconvenient to place are solved.

Description

Inlet wire protection device and low-voltage power distribution cabinet with same

Technical Field

The utility model relates to the technical field of power distribution, in particular to an incoming line protection device and a low-voltage power distribution cabinet with the same.

Background

At present, a main incoming line switch is arranged in a low-distribution cabinet, a frequency converter cabinet and an energy storage integrated cabinet on the market, a caliper is installed on one side or the back of the incoming line switch in general, surge and fuse protectors are fixed on clamping rails, wiring is inconvenient, parts are too many, the assembly process is too complex, and the internal layout is too chaotic.

Aiming at the problems that a plurality of devices are scattered and inconvenient to put when being arranged at the front end of an equipment main inlet switch, no effective solution is proposed at present.

Disclosure of utility model

The utility model mainly aims to provide an incoming line protection device and a low-voltage power distribution cabinet with the same, so as to solve the problems that in the prior art, when a plurality of devices are arranged at the front end of a main incoming line switch of equipment, the devices are scattered and are inconvenient to put.

In order to achieve the above object, according to one aspect of the present utility model, there is provided an incoming line protection device comprising: the protection box is internally provided with a baffle plate to divide the protection box into a first installation space and a second installation space, the first installation space is internally provided with a wiring copper bar, and the second installation space is internally provided with a surge protector and a fuse; the protection box is provided with two opposite opening ends, the end parts of the wiring copper bars extend out of the protection box through the opening ends, the protection box is further provided with an avoidance channel, and at least one of the surge protector and the fuse extends out of the protection box through the avoidance channel.

Further, the protection box includes: the box body at least comprises a bottom plate and two side plates, wherein the two side plates are respectively arranged at two ends of the bottom plate; the panel is connected with the two side plates, a cavity structure with two open ends is enclosed between the panel and the two side plates and the bottom plate, the openings at each end of the cavity structure form open ends, and an avoidance channel communicated with the cavity structure is formed in the panel; the baffle sets up in the cavity structure to cut apart the cavity structure into first installation space and second installation space along the width direction of curb plate, second installation space and dodge passageway intercommunication.

Further, the incoming line protection device further includes: the clamping rail is connected with the partition board, and the surge protector and the fuse are connected with the partition board through the clamping rail.

Further, the incoming line protection device further includes: the support piece is at least one, and support piece sets up in first installation space, and support piece is connected with the protection box, has seted up a plurality of copper bar installation positions on the support piece, and the copper bar installation position is used for installing wiring copper bar.

Further, the copper bar mounting locations are mounting grooves for receiving at least a portion of the wiring copper bars.

Further, the number of the supporting members is two, and the two supporting members are arranged at a distance.

Further, at least one of the wiring copper bar and the support member is made of epoxy resin.

Further, the protection box is made of any one of a cold plate and an aluminum-zinc-coated plate.

Further, the partition plate is made of metal plates.

According to another aspect of the utility model, a low-voltage power distribution cabinet is provided, wherein the low-voltage power distribution cabinet is provided with an incoming line protection device, and the incoming line protection device is the incoming line protection device.

By applying the technical scheme of the utility model, the protection box integrates the wiring copper bar, the surge protector and the fuse, the first installation space and the second installation space which are independently arranged enable the internal circuit to be clear and not messy, and the installation and the placement are convenient, so that the problems that when a plurality of devices are installed at the front end of the equipment main inlet switch in the prior art, the devices are scattered and inconvenient to place are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

Fig. 1 shows a schematic structural view of a first embodiment of an incoming line protection device according to the utility model;

fig. 2 shows a schematic structural view of a second embodiment of an incoming line protection device according to the utility model;

Fig. 3 shows a schematic structural view of a first embodiment of a cartridge according to the present utility model;

Fig. 4 shows a schematic structural view of a second embodiment of a cartridge according to the present utility model;

Fig. 5 shows a schematic structural view of a third embodiment of a cartridge according to the present utility model;

fig. 6 shows a schematic structural view of a fourth embodiment of a cartridge according to the present utility model;

Fig. 7 shows a schematic structural view of a third embodiment of an incoming line protection device according to the utility model.

Wherein the above figures include the following reference numerals:

1. a case body; 11. a bottom plate; 12. a side plate; 101. a first installation space; 102. a second installation space;

2. a support; 20. a copper bar installation position;

3. wiring copper bars;

4. A partition plate;

5. A panel;

6. A surge protector;

7. a fuse;

8. And (5) clamping the rail.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

Referring to fig. 1 to 7, according to an embodiment of the present application, an incoming line protection device is provided.

The incoming line protection device comprises a protection box, wherein a partition board 4 is arranged in the protection box to divide the protection box into a first installation space 101 and a second installation space 102, a wiring copper bar 3 is arranged in the first installation space 101, and a surge protector 6 and a fuse 7 are arranged in the second installation space 102; the protection box is provided with two opposite opening ends, the end part of the wiring copper bar 3 extends out of the protection box through the opening ends, the protection box is further provided with an avoidance channel, and at least one of the surge protector 6 and the fuse 7 extends out of the protection box through the avoidance channel.

By applying the technical scheme of the embodiment, the protection box is integrated with the wiring copper bar 3, the surge protector 6 and the fuse 7 into a whole, the first installation space 101 and the second installation space 102 which are independently arranged enable the internal circuit to be clear and not messy, and the installation and the placement are convenient, so that the problems that a plurality of devices are scattered and inconvenient to place when being installed at the front end of the equipment main inlet wire switch in the prior art are solved.

Further, the protection box comprises a box body 1 and a panel 5, wherein the box body 1 at least comprises a bottom plate 11 and two side plates 12, and the two side plates 12 are respectively arranged at two ends of the bottom plate 11; the panel 5 is connected with the two side plates 12, a cavity structure with two open ends is enclosed between the panel 5 and the two side plates 12 and the bottom plate 11, the openings at the ends of the cavity structure form open ends, and an avoidance channel communicated with the cavity structure is formed in the panel 5; the partition plate 4 is disposed in the cavity structure to divide the cavity structure into a first installation space 101 and a second installation space 102 along the width direction of the side plate 12, the second installation space 102 communicating with the avoidance passage. Through setting up box body 1, panel 5 and baffle 4, enclose to establish into first installation space 101 and second installation space 102, realize the integration and the layering arrangement to wiring copper bar 3, surge protector 6 and fuse 7 for the inside wiring is clear.

Alternatively, in the exemplary embodiment of the present application, the end of the side plate 12 away from the bottom plate 11 is provided with a flange structure, the flange structure is disposed toward the inner side of the cavity structure, the flange structure is provided with a mounting hole, and the panel 5 is connected with the side plate 12 through the mounting hole of the flange structure.

Further, the incoming line protection device further comprises a clamping rail 8, the clamping rail 8 is connected with the partition board 4, and the surge protector 6 and the fuse 7 are connected with the partition board 4 through the clamping rail 8. As shown in fig. 6 and 7, after the clamping rail 8 is connected with the surge protector 6 and the fuse 7, at least part of the surge protector 6 and the fuse 7 are clamped in the clamping rail 8, and the clamping rail 8 is arranged to facilitate subsequent maintenance.

Further, the incoming line protection device further comprises a support piece 2, at least one support piece 2 is arranged, the support piece 2 is arranged in the first installation space 101, the support piece 2 is connected with the protection box, a plurality of copper bar installation positions 20 are formed in the support piece 2, and the copper bar installation positions 20 are used for installing wiring copper bars 3. By providing the copper bar mounting position 20, the limit fixing of the wiring copper bar 3 can be realized.

Specifically, in the exemplary embodiment of the present application, the supporting member 2 is in a strip structure, after the supporting member 2 is connected with the bottom plate 11, a boss structure protruding from the surface of the bottom plate 11 is formed, and the end surface of the boss structure far from the bottom plate 11 is provided with the copper bar mounting position 20. Optionally, according to actual needs, a through hole can be formed in the boss structure to allow the wiring copper bar 3 to pass through, so that limiting and fixing of the wiring copper bar 3 are realized. The support member 2 and the base plate 11 may be connected by welding, bonding, or the like.

Alternatively, the copper bar mounting locations 20 are mounting grooves for receiving at least part of the wiring copper bars 3. Through setting up the mounting groove, wiring copper bar 3 is located the mounting groove, can realize spacing fixed to wiring copper bar 3, avoids wiring copper bar 3 to rock about or slope.

Specifically, in the exemplary embodiment of the application, the positioning holes are formed in the mounting groove and the wiring copper bar 3, and when the wiring copper bar 3 is mounted, the positioning of the wiring copper bar 3 can be rapidly completed by aligning the positioning holes in the mounting groove and the wiring copper bar 3, so that the mounting efficiency is improved.

Preferably, the number of the support members 2 is two, and the two support members 2 are arranged at a distance. As shown in fig. 3, the number and positions of the copper bar installation sites 20 on the two supporting members 2 are identical, so that the wiring copper bars 3 are installed. The number of the supporting pieces 2 is increased, the limiting and fixing effects on the wiring copper bars 3 can be improved, and the wiring copper bars 3 are prevented from shaking and tilting left and right, and the normal operation of a circuit is prevented from being influenced.

Preferably, at least one of the wiring copper bar 3 and the support member 2 is made of epoxy resin. The epoxy resin material has good insulativity and can avoid electric leakage.

In an exemplary embodiment of the present application, the support 2 is made of epoxy, and the outer surface of the wiring copper bar 3 is coated with an epoxy coating.

Preferably, the protection box is made of any one of a cold plate and an aluminum-zinc-coated plate. The cold plate has good heat resistance and durability, the aluminum zinc coated plate has good corrosion resistance, durability and heat resistance, and the cold plate or the aluminum zinc coated plate is used for manufacturing the protection box, so that the service life of the protection box can be prolonged, and the reliability of the protection device is improved.

Preferably, the partition 4 is made of sheet metal. The sheet metal material has the characteristics of light weight, high strength and conductivity, can lighten the weight of the protection device and ensure the structural strength, and simultaneously has low cost and large-scale mass production, thereby being beneficial to reducing the manufacturing cost of the device.

According to another embodiment of the present application, a low-voltage power distribution cabinet is provided, and the low-voltage power distribution cabinet has an incoming line protection device, where the incoming line protection device is an incoming line protection device in the foregoing embodiment.

The application also provides a preferred embodiment of the wire inlet protection device which is arranged in the cabinet and used for protecting the main wire inlet switch in the low-voltage distribution energy storage cabinet body, the wire inlet protection device is integrated with the wiring copper bar 3, the surge protector 6 and the fuse 7, and is arranged at the front end of the main wire inlet switch in the cabinet, and the wiring copper bar 3, the surge protector 6 and the fuse 7 are integrated, so that the installation and the placement are convenient, and the internal circuit is clear and not disordered.

Specifically, in this embodiment, the incoming line protection device includes the protection box, and the protection box is processed by cold plate or tectorial aluminum zinc board to form, and wiring copper bar 3 sets up in the protection box, and wiring copper bar 3 is processed by the epoxy board and forms. The protection box is divided into an upper part and a lower part, the bottom layer is a power wiring layer, the specification of the wiring copper bar 3 can be matched according to the current-carrying capacity of the main incoming line switch, the upper part is a protection device layer, the middle is isolated by a layer of partition board 4, and the upper part is mainly provided with a surge protector 6 and a fuse 7. The top panel 5 of the protective case is perforated to limit device deflection of the surge protector 6 and fuse 7 due to shock or shipping. The partition board 4 adopts a sheet metal structure.

The assembly flow of the incoming line protection device in this embodiment is as follows:

Step 1, as shown in fig. 3, replacing a proper copper bar specification according to the total incoming line switch current, and firstly, installing a box body 1 and a supporting piece 2 together;

Step 2, as shown in fig. 4, assembling a proper wiring copper bar 3 according to the current of the incoming line switch, and fixing the upper side and the lower side of the wiring copper bar 3 respectively;

step 3, as shown in fig. 5, in order to distinguish the power circuit part, a partition board 4 is arranged on the upper part of the wiring copper bar 3;

step 4, as shown in fig. 6, fixing a clamping rail 8 on the upper part of the partition board 4 by using self-tapping screws or blind rivets;

step 5, as shown in fig. 7, the upper part of the clamping rail 8 is respectively clamped with the surge protector 6 and the corresponding switch current sum fuse 7;

And 6, as shown in fig. 1 and 2, finally, an upper panel 5 is assembled on the front surface of the box body 1 to limit the left and right movement of the fuse 7 and the surge protector 6, and meanwhile, the surge protector 6 and the fuse 7 are convenient to observe and maintain.

According to another embodiment of the present application, a frequency converter cabinet is provided, which has an incoming line protection device, where the incoming line protection device is an incoming line protection device in the above embodiment.

According to another embodiment of the present application, there is provided an integrated energy storage cabinet having an incoming line protection device, where the incoming line protection device is the incoming line protection device in the foregoing embodiment.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., indicate that the particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model, as generally described. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the utility model.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An incoming line protection device, comprising:

The protection box is internally provided with a partition board (4) so as to divide the protection box into a first installation space (101) and a second installation space (102), a wiring copper bar (3) is arranged in the first installation space (101), and a surge protector (6) and a fuse protector (7) are arranged in the second installation space (102);

The protection box is provided with two opposite opening ends, the end parts of the wiring copper bars (3) extend out of the protection box through the opening ends, the protection box is further provided with an avoidance channel, and at least one of the surge protector (6) and the fuse protector (7) extends out of the protection box through the avoidance channel.

2. The line incoming protection device of claim 1, wherein said protection box comprises:

The box body (1), the box body (1) at least comprises a bottom plate (11) and two side plates (12), wherein the number of the side plates (12) is two, and the two side plates (12) are respectively arranged at two ends of the bottom plate (11);

The panel (5), the panel (5) is connected with two side plates (12), a cavity structure with two open ends is enclosed between the panel (5) and the two side plates (12) and the bottom plate (11), the openings at each end of the cavity structure form the open ends, and the panel (5) is provided with the avoidance channel communicated with the cavity structure;

The partition plate (4) is arranged in the cavity structure, so that the cavity structure is divided into a first installation space (101) and a second installation space (102) along the width direction of the side plate (12), and the second installation space (102) is communicated with the avoidance channel.

3. The incoming line protection device according to claim 1 or 2, further comprising:

The clamping rail (8), the clamping rail (8) is connected with the partition board (4), and the surge protector (6) and the fuse (7) are connected with the partition board (4) through the clamping rail (8).

4. The incoming line protection device according to claim 1 or 2, further comprising:

The support piece (2), support piece (2) is at least one, support piece (2) set up in first installation space (101), just support piece (2) with the protection box is connected, a plurality of copper bar installation position (20) have been seted up on support piece (2), copper bar installation position (20) are used for the installation wiring copper bar (3).

5. The wire-in protection device according to claim 4, characterized in that the copper bar mounting location (20) is a mounting groove for receiving at least part of the wiring copper bar (3).

6. The line protection device according to claim 4, characterized in that the number of the support elements (2) is two, the two support elements (2) being arranged at a distance.

7. The wire-in protection device according to claim 4, characterized in that at least one of the wire copper bar (3) and the support (2) is made of epoxy resin.

8. The wire inlet protection device according to claim 1, wherein the protection box is made of any one of a cold plate and an aluminum-zinc-coated plate.

9. The line protection device according to claim 1, characterized in that the partition (4) is made of sheet metal.

10. A low voltage power distribution cabinet, characterized in that the low voltage power distribution cabinet is provided with an incoming line protection device, which is an incoming line protection device according to any one of claims 1-9.