CN213753553U

CN213753553U - High-insulation protective electrical cabinet

Info

Publication number: CN213753553U
Application number: CN202022648093.2U
Authority: CN
Inventors: 潘峰
Original assignee: Vertiv Tech Co Ltd
Current assignee: Weidi new energy Co.,Ltd.
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-20
Anticipated expiration: 2030-11-16

Abstract

The utility model provides a high insulation protection regulator cubicle. High insulating protection regulator cubicle includes: at least one part of the copper bars in the plurality of copper bars are connected in sequence; the bus protection boxes are multiple, corresponding bus protection boxes are arranged at the lap joints of two adjacent copper bars, and the lap joints of two adjacent copper bars are accommodated in the corresponding bus protection boxes; and the parts of the copper bars exposed outside the bus protection box are coated with the heat-shrinkable pipe sleeves. The utility model provides a converter among the prior art have electrified problem of maintaining to be difficult to the realization.

Description

High-insulation protective electrical cabinet

Technical Field

The utility model relates to an insulating protective apparatus technical field particularly, relates to a high insulating protection regulator cubicle.

Background

The power of the wind energy converter is continuously improved, and the maintenance requirements of customers on products are continuously upgraded. In the maintenance process of the converter with high power grade, the converter is generally required to be maintained in a power-off state. This power-off process often lasts for a period of time. Therefore, a relatively large power generation loss is caused to the wind power industry owners. According to some low-voltage electrical cabinet standards and the requirements of clients, wind power customers put higher requirements on the design of converters. It is desirable to allow the converter to be live for maintenance under certain conditions.

In other words, the converter in the prior art has the problem that live maintenance is difficult to realize.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a high insulation protection regulator cubicle to there is the problem that electrified maintenance is difficult to realize in the converter of solving among the prior art.

In order to achieve the above object, the utility model provides a high insulation protection regulator cubicle, include: at least one part of the copper bars in the plurality of copper bars are connected in sequence; the bus protection boxes are multiple, corresponding bus protection boxes are arranged at the lap joints of two adjacent copper bars, and the lap joints of two adjacent copper bars are accommodated in the corresponding bus protection boxes; and the parts of the copper bars exposed outside the bus protection box are coated with the heat-shrinkable pipe sleeves.

Further, the end of at least another part of the copper bars in the plurality of copper bars is connected to one or more copper bars in the copper bars connected in sequence.

Furthermore, the middle part of one of the copper bars connected in sequence is provided with a connecting position, and the end part of the other copper bar is connected to the connecting position.

Furthermore, the lap joint part of each adjacent copper bar is provided with a plurality of groups of spaced through holes, and the plurality of groups of through holes of the adjacent copper bars are arranged in a one-to-one correspondence manner.

Further, the high-insulation protection electrical cabinet further comprises a plurality of first bolts, and the first bolts are selectively inserted into the through holes of different groups to fix two adjacent copper bars.

Furthermore, the copper bar is provided with a plurality of groups of mounting holes, and the mounting holes are positioned on the plate section coated by the heat-shrinkable pipe sleeve on the copper bar.

Further, the high-insulation protection electrical cabinet further comprises a plurality of second bolts, and the second bolts are selectively inserted into the mounting holes of different groups to fix the copper bars at the positions to be mounted.

Further, the high-insulation protection electrical cabinet further comprises a plurality of insulating films, and the second bolt is covered by the insulating films.

Further, the insulating film is attached to the surface of the heat-shrinkable tube sleeve and is in sealing connection with the surface of the heat-shrinkable tube sleeve.

Further, high insulation protection regulator cubicle still includes: the contactor is provided with a device terminal, and the device terminal is connected with the end part of at least one copper bar; and the junction of the device terminal and the copper bar is accommodated in the terminal protection box.

By applying the technical scheme of the utility model, the high-insulation protection electrical cabinet comprises a plurality of copper bars, a bus protection box and a heat-shrinkable tube sleeve, wherein at least one part of the copper bars in the plurality of copper bars are connected in sequence; the bus protection boxes are multiple, the lap joints of two adjacent copper bars are provided with corresponding bus protection boxes, and the lap joints of two adjacent copper bars are accommodated in the corresponding bus protection boxes; the part of each copper bar exposed outside the bus protection box is coated with a heat-shrinkable pipe sleeve.

Be provided with corresponding generating line protection box through the overlap joint at two adjacent copper bars, and the overlap joint holding of two adjacent copper bars is in the inside that corresponds generating line protection box for generating line protection box has played the effect sealed with the protection to the overlap joint, can effectively prevent the entering of outside dust, has guaranteed the leakproofness and the clean nature of the overlap joint of two adjacent copper bars. Because in normal course of work, a plurality of copper bars have the heavy current to pass through, are provided with the generating line at the overlap joint part of two adjacent copper bars and protect the box for the generating line is protected the box and has been played the effect of insulation protection, avoids the emergence of electric shock accident in the high insulation protection regulator cubicle maintenance process, has guaranteed the security of high insulation protection regulator cubicle. The parts of the copper bars, which are exposed outside the bus protection box, are coated with the heat-shrinkable tube sleeves, so that the heat-shrinkable tube sleeves play a role in insulating and protecting the parts of the copper bars, which are exposed outside the bus protection box. Meanwhile, the copper bar is easy to mount, the mounting and dismounting difficulty of the copper bar is reduced, and the dismounting time is saved.

Additionally, the utility model discloses a high insulation protection regulator cubicle can carry out electrified maintenance, can guarantee simultaneously to maintain in-process operating personnel can not electrocute the injury, has just so saved the process of outage, has reduced the loss of generated energy, has avoided the waste of the energy, has further saved maintenance time, has improved maintenance efficiency. And the utility model discloses a high insulation protection regulator cubicle's insulating protection level can satisfy IP40 protection level, has satisfied the demand of high insulation protection.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a high insulation protective electrical cabinet according to an alternative embodiment of the present invention;

fig. 2 shows a schematic structural diagram of another angle of the high insulation protection electrical cabinet in fig. 1;

fig. 3 shows a schematic structural diagram of another angle of the high insulation protection electrical cabinet in fig. 1;

fig. 4 is a connection diagram of a plurality of copper bars and contactors of the high-insulation protective electrical cabinet in fig. 1;

fig. 5 is a view showing another angle of connection between the plurality of copper bars and the contactor shown in fig. 4.

Wherein the figures include the following reference numerals:

10. copper bars; 11. a first copper bar; 12. a second copper bar; 13. a third copper bar; 14. a fourth copper bar; 15. a fifth copper bar; 20. a bus protection box; 30. thermal shrinkage pipe sheathing; 40. a through hole; 50. mounting holes; 60. a contactor; 61. a device terminal; 70. a terminal protection box.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that there is electrified maintenance to be difficult to realize in the converter among the prior art, the utility model provides a high insulating protection regulator cubicle.

As shown in fig. 1 to 5, the high-insulation protective electrical cabinet comprises a plurality of copper bars 10, a bus bar protective box 20 and a heat-shrinkable tube sleeve 30, wherein at least a part of the copper bars 10 in the plurality of copper bars 10 are connected in sequence; the number of the bus protection boxes 20 is multiple, the corresponding bus protection box 20 is arranged at the lap joint of two adjacent copper bars 10, and the lap joint part of two adjacent copper bars 10 is accommodated in the corresponding bus protection box 20; the parts of the copper bars 10 exposed outside the bus protection box 20 are all covered with heat-shrinkable tube sleeves 30.

Be provided with corresponding generating line protection box 20 through the overlap joint at two adjacent copper bars 10, and the overlap joint holding of two adjacent copper bars 10 is in the inside that corresponds generating line protection box 20 for generating line protection box 20 has played sealed and protected effect to the overlap joint, can effectively prevent the entering of outside dust, has guaranteed the leakproofness and the cleaning property of the overlap joint of two adjacent copper bars 10. Because in normal course of work, a plurality of copper bars 10 have the heavy current to pass through, be provided with generating line protection box 20 at the overlap joint portion of two adjacent copper bars 10 for generating line protection box 20 has played the effect of insulation protection, avoids the emergence of electric shock accident in the high insulation protection regulator cubicle maintenance process, has guaranteed the security of high insulation protection regulator cubicle. The parts of the copper bars 10 exposed outside the bus protection box 20 are all wrapped with heat-shrinkable tube sleeves 30, so that the heat-shrinkable tube sleeves 30 play a role in insulating and protecting the parts of the copper bars 10 exposed outside the bus protection box 20. Meanwhile, the copper bar 10 is easy to mount, the mounting and dismounting difficulty of the copper bar 10 is reduced, and the dismounting time is saved.

It should be noted that the high-insulation protection electrical cabinet can meet the IP40 insulation protection requirement of the copper bar 10, that is, can prevent solid foreign objects with a diameter greater than 1 mm from entering.

It should be noted that the bus bar protecting box 20 is made of a flexible high temperature resistant plastic material. The bus protection box 20 is flexible, so that the bus protection box 20 can be conveniently mounted and dismounted, the mounting and dismounting difficulty of the bus protection box 20 is effectively reduced, the dismounting time is saved, and the dismounting efficiency is improved. Meanwhile, the bus protection box 20 is flexible, so that the bus protection box 20 is not easy to damage in the dismounting process, the bus protection box 20 can be dismounted for many times, the service life of the bus protection box 20 is greatly prolonged, and the cost is saved. The high temperature resistant plastic material that bus protection box 20 adopted sets up like this and has guaranteed bus protection box 20's high temperature resistant characteristic and insulating characteristic, and then has reduced bus protection box 20 and has met high temperature and produce the possibility of deformation, has guaranteed bus protection box 20's structural strength, can also make bus protection box 20 still can guarantee bus protection box 20's insulating protection characteristic after dismouting many times, guarantees bus protection box 20's high safeguard function.

The heat shrinkable sleeve 30 is an insulating sleeve having a high shrinkage temperature. The arrangement ensures that the heat-shrinkable tube sleeve 30 sleeved on the copper bar 10 cannot deform or be damaged in the high-temperature working process of the copper bar 10, the structural strength of the heat-shrinkable tube sleeve 30 is ensured, and the insulation protection effect of the heat-shrinkable tube sleeve 30 on the copper bar 10 is further ensured. Meanwhile, the occurrence of electric leakage accidents can be avoided, and the safety is ensured.

As shown in fig. 1, the end of at least another part of the copper bars 10 in the plurality of copper bars 10 is connected to one or more copper bars 10 in the copper bars 10 connected in sequence. The middle part of one copper bar 10 in the copper bars 10 connected in sequence has a connection position, and the end of another copper bar 10 is connected to the connection position.

Specifically, the copper bar 10 includes a first copper bar 11, a second copper bar 12, a third copper bar 13, a fourth copper bar 14, and a fifth copper bar 15. The first copper bar 11 comprises a first section, a second section and a third section which are bent in sequence, and the third section of the first copper bar 11 is perpendicular to the second section of the first copper bar 11.

The second copper bar 12 comprises a first section and a second section which are sequentially and vertically bent, the first section of the second copper bar 12 is in I-shaped lap joint with the third section of the first copper bar 11, and the second section of the second copper bar 12 is perpendicular to the third section of the first copper bar 11.

The third copper bar 13 comprises a first section and a second section which are sequentially and vertically bent, the first section of the third copper bar 13 is in I-shaped lap joint with the second section of the second copper bar 12, and the second section of the third copper bar 13 is perpendicular to the second section of the second copper bar 12.

The fourth copper bar 14 comprises a first section, a second section and a third section which are sequentially bent, at least part of the first section of the fourth copper bar 14 is in T-shaped lap joint with the first section of the third copper bar 13, and the lap joint position is located in the middle of the first section of the fourth copper bar 14.

The fifth copper bar 15 comprises a first section, a second section, a third section and a fourth section which are sequentially bent, two adjacent sections of the fifth copper bar 15 are vertically arranged, the first section of the fifth copper bar 15 and the second section of the third copper bar 13 are in T-shaped lap joint, the second section of the fifth copper bar 15 is perpendicular to the second section of the third copper bar 13, the third section of the fifth copper bar 15 is parallel to the first section of the fifth copper bar 15, and the fourth section of the fifth copper bar 15 is parallel to the second section of the fifth copper bar 15. There are three fifth copper bars 15, and the three fifth copper bars 15 are arranged at intervals.

As shown in fig. 4 and 5, the overlapping portion of each adjacent copper bar 10 is provided with a plurality of groups of through holes 40 at intervals, and the plurality of groups of through holes 40 of the adjacent copper bars 10 are arranged in a one-to-one correspondence. The multi-group through holes 40 of the adjacent copper bars 10 are arranged in a one-to-one correspondence manner, so that the multi-group through holes 40 of the adjacent copper bars 10 can be effectively aligned, the first bolts can be conveniently inserted, and the accuracy of the overlapping of the adjacent copper bars 10 is ensured.

Specifically, the high-insulation protective electrical cabinet further comprises a plurality of first bolts, and the first bolts are selectively inserted into the through holes 40 of different groups to fix the two adjacent copper bars 10. A plurality of first bolts selectively insert in the through-hole 40 of different groups in order to fix two adjacent copper bars 10, set up like this and make first bolt play the effect of connecting and fixing to two adjacent copper bars 10, avoided two adjacent copper bars 10 to take place to rock or the risk that breaks away from, guaranteed the joint strength of two adjacent copper bars 10, guaranteed the stability of copper bar 10 work. Adopt the mode of two adjacent copper bars 10 of bolt fastening simultaneously for two adjacent copper bars 10 are easily installed, have reduced the installation of copper bar 10 and have dismantled the degree of difficulty, have saved the dismouting time, have improved dismouting efficiency.

Specifically, the copper bar 10 has a plurality of sets of mounting holes 50, and the mounting holes 50 are located on the plate section of the copper bar 10 covered by the heat-shrinkable tube sleeve 30. The high-insulation protective electrical cabinet further comprises a plurality of second bolts, and the second bolts are selectively inserted into different groups of mounting holes 50 to fix the copper bar 10 at the position to be mounted. The copper bar 10 is convenient to mount to the high-insulation protection electrical cabinet, the mounting and dismounting difficulty of the copper bar 10 and the high-insulation protection electrical cabinet is reduced, the dismounting time is effectively saved, the dismounting efficiency is improved, meanwhile, the connection strength of the copper bar 10 and the high-insulation protection electrical cabinet is guaranteed, and the assembly stability is guaranteed.

In addition, the high-insulation protection electrical cabinet further comprises a plurality of insulating films, and the second bolt is covered by the insulating films. The insulating film plays the effect of insulation protection to the second bolt, avoids the condition that the copper bar 10 leaks electricity during the maintenance of the high-insulation protection electrical cabinet, guarantees the safety of the maintenance process, guarantees the high-insulation protection electrical cabinet to be capable of being maintained in an electrified mode, saves the power-off maintenance process, reduces the loss of generated energy, avoids the energy waste, further saves the maintenance time, and improves the maintenance efficiency. The protection device is further favorable for ensuring that the insulation protection grade of the high-insulation protection electrical cabinet can meet the IP40 protection grade, and meets the requirement of high-insulation protection.

Specifically, the insulating film is attached to and hermetically connected with the surface of the heat shrinkable tube sleeve 30. The connection tightness of the surface of the insulating film and the surface of the heat-shrinkable pipe sleeve 30 is guaranteed, and an air gap is avoided between the insulating film and the heat-shrinkable pipe sleeve 30, so that the risk that the insulating film falls off is avoided, the adhesion strength of the insulating film on the heat-shrinkable pipe sleeve 30 is guaranteed, and the working stability of the insulating film is guaranteed.

It should be noted that, after the heat-shrinkable tube sleeve 30 is shaped in the high-temperature box, a hole is formed in the heat-shrinkable tube sleeve 30, so that the hole in the heat-shrinkable tube sleeve 30 corresponds to the mounting hole 50 in the copper bar 10, and the risk of tearing the hole in the heat-shrinkable tube sleeve 30 in the operating state of the copper bar 10 can be avoided. After the second bolt is inserted into the mounting hole 50 and fixed, the second bolt can be sunk below the plane of the copper bar 10. At this time, the second bolt is covered with an insulating film to ensure insulation at the second bolt. The insulating film adopts the 3M glue of high temperature gum, sets up like this and makes the insulating film can not melt under the high temperature condition, has guaranteed that the insulating film can stably adhere to in second bolt department, has guaranteed the structural strength and the use reliability of insulating film.

As shown in fig. 1, the high-insulation protection electrical cabinet further includes a contactor 60 and a terminal protection box 70, the contactor 60 has a device terminal 61, and the device terminal 61 is connected with an end of at least one copper bar 10; the connection of the device terminals 61 to the copper bar 10 is accommodated inside the terminal protection box 70. The terminal protection box 70 has insulation and protection effects on the device terminal 61, so that dust is prevented from entering, the sealing performance of the device terminal 61 is guaranteed, and the cleanness of the device terminal 61 is guaranteed. Meanwhile, the condition of electric leakage at the device terminal 61 is avoided, and the stability of the insulation protection of the terminal protection box 70 on the device terminal 61 is ensured.

In addition, because the device terminal 61 is more complicated, so need adopt the mode that the protection level is higher to protect, what the device terminal 61 of high insulation protection regulator cubicle in this application adopted is that heat shrinkage pipe sleeve 30 and terminal protection box 70 carry out insulation protection's method simultaneously, and the setting can further avoid in the maintenance process, and operating personnel electrocutes injured risk, has strengthened the insulation protection effect of device terminal 61 department like this, has further improved the insulation protection performance of high insulation protection regulator cubicle.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the utility model discloses a high insulation protection regulator cubicle can reach high insulation protection level, can reach IP40 protection level.

2. The utility model discloses a generating line protection box 20, pyrocondensation pipe box 30 and terminal protection box 70 have the dismouting simple, and the advantage of easily installing can carry out quick assembly disassembly, can guarantee moreover that generating line protection box 20, pyrocondensation pipe box 30 and terminal protection box 70 can not warp after a lot of dismouting, can not destroy generating line protection box 20, pyrocondensation pipe box 30 and terminal protection box 70's insulation protection performance.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

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 example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of 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 claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high insulation protection regulator cubicle which characterized in that includes:

the copper bar structure comprises a plurality of copper bars (10), wherein at least one part of the copper bars (10) in the copper bars (10) are sequentially connected;

the bus protection boxes (20) are multiple, the lap joints of two adjacent copper bars (10) are provided with corresponding bus protection boxes (20), and the lap joints of two adjacent copper bars (10) are accommodated in the corresponding bus protection boxes (20);

and the parts of the copper bars (10) exposed out of the bus protection box (20) are coated with the heat-shrinkable pipe sleeves (30).

2. The high-insulation protective electrical cabinet according to claim 1, wherein the end of at least another part of the copper bars (10) in the plurality of copper bars (10) is connected to one or more copper bars (10) in the copper bars (10) connected in sequence.

3. The high-insulation protective electrical cabinet according to claim 2, wherein one of the copper bars (10) connected in sequence has a connecting position in the middle, and the end of the other copper bar (10) is connected to the connecting position.

4. The high-insulation protective electrical cabinet according to claim 1, wherein a plurality of groups of spaced through holes (40) are formed in the overlapping portion of each adjacent copper bar (10), and the plurality of groups of through holes (40) of the adjacent copper bars (10) are arranged in a one-to-one correspondence manner.

5. The high insulation protection electrical cabinet according to claim 4, further comprising a plurality of first bolts selectively inserted into different sets of the through holes (40) to fix two adjacent copper bars (10).

6. The high-insulation protective electrical cabinet according to claim 1, wherein the copper busbar (10) has multiple sets of mounting holes (50), and the mounting holes (50) are located on a plate section of the copper busbar (10) which is wrapped by the heat-shrinkable tube sleeve (30).

7. The high insulation protection electrical cabinet according to claim 6, further comprising a plurality of second bolts selectively inserted into different sets of the mounting holes (50) to fix the copper bar (10) at a position to be mounted.

8. The high insulation protection electrical cabinet according to claim 7, further comprising a plurality of insulation films, wherein the second bolt is covered by the insulation films.

9. The high insulation protection electrical cabinet according to claim 8, wherein the insulation film is attached and hermetically connected with the surface of the heat shrinkable tube sleeve (30).

10. The high insulation protection electrical cabinet according to any one of claims 1 to 9, further comprising:

a contactor (60), wherein the contactor (60) is provided with a device terminal (61), and the device terminal (61) is connected with the end of at least one copper bar (10);

a terminal protection box (70), wherein the connection part of the device terminal (61) and the copper bar (10) is accommodated in the terminal protection box (70).