CN219677927U

CN219677927U - Side-out structure of inflatable cabinet

Info

Publication number: CN219677927U
Application number: CN202320593447.9U
Authority: CN
Inventors: 宋宸彬; 周家典; 毛方应; 卢义强; 林艳艳
Original assignee: Ceepower Co ltd; Fujian Ceepower Co ltd
Current assignee: Ceepower Co ltd; Fujian Ceepower Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-09-12
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses an inflatable cabinet side outlet structure which comprises a cabinet body, three incoming line insulators, three outgoing line insulators, a current transformer and a soft bus, wherein the three incoming line insulators are arranged side by side; according to the technical scheme, the flexible bus is utilized to connect the outgoing insulator and the current transformer, so that the cost can be reduced, the transportation of the air inflation cabinet is facilitated, the cabinet body is integrally formed, and the structural stress is more uniform.

Description

Side-out structure of inflatable cabinet

Technical Field

The utility model relates to the technical field of inflatable cabinets, in particular to a side-out structure of an inflatable cabinet.

Background

The DXG-12 (C) indoor alternating-current high-pressure gas insulated metal-enclosed switchgear (hereinafter referred to as an "air-filled cabinet") is a new generation of switchgear, a main switch can be a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker, and the whole cabinet is combined with a sulfur hexafluoride gas compartment by adopting air insulation, so that the novel high-pressure gas-insulated metal-enclosed switchgear is compact and extensible, and is suitable for power distribution automation. The inflatable cabinet has the characteristics of compact structure, flexible operation, reliable interlocking and the like, and can provide a satisfactory technical scheme for various application occasions (particularly places with severe environments) and different user requirements.

Chinese patent CN105119182B discloses a 35kVSF ₆ The utility model provides an air charging cabinet, it includes inlet wire insulator, outlet wire insulator, high voltage arrester, current transformer, SF6 air charging cabinet body, secondary element room and soft busbar of totally enclosed and total insulation design, SF6 air charging cabinet body is fixed on secondary element room, three inlet wire insulators are fixed at SF6 air charging cabinet body top and are sealed through the sealing member with the reinforcement side by side, and inlet wire insulator one end is connected with high voltage component in SF6 air charging cabinet body inside, another part stretches out at SF6The outside of the gas-filled cabinet body is connected with a copper bus; the three outgoing line insulators are fixed on the side surface of the SF6 gas-filled cabinet body side by side through a reinforcing piece and sealed through a sealing piece, one end of each outgoing line insulator is connected with a high-voltage element in the SF6 gas-filled cabinet body, and the other end of each outgoing line insulator extends out of the SF6 gas-filled cabinet body; the high-voltage lightning arrester is connected with the SF6 inflatable cabinet body through a tripod fixed on the upper part of the SF6 inflatable cabinet body, and the current transformer is fixed on the side surface of the SF6 inflatable cabinet body, wherein the outgoing insulator, the high-voltage lightning arrester and the current transformer are connected through a flexible bus, so that the cost can be reduced. However, this patent has the following drawbacks:

the structure of the cabinet body is not disclosed, the cabinet body plays a role in supporting an external incoming insulator, an outgoing insulator, a high-voltage lightning arrester and a current transformer, and if the structure of the cabinet body is poor, the inflatable cabinet is easy to damage.

Disclosure of Invention

Therefore, the side-out structure of the inflatable cabinet is needed to be provided, and the problems that the structure of the existing air cabinet body is poor and the inflatable cabinet is easy to damage are solved.

In order to achieve the above-mentioned purpose, this embodiment provides a side play structure of inflatable cabinet, including the cabinet body, three inlet wire insulator, three insulator, current transformer and soft busbar of being qualified for the next round of competitions, three inlet wire insulator sets up side by side, the one end and the high-voltage element of inlet wire insulator are connected, and the other end stretches to the cabinet is external and be connected with the copper busbar, and three the insulator of being qualified for the next round of competitions sets up side by side on the cabinet body, the one end of insulator of being qualified for the next round of competitions with the high-voltage element is connected, and the other end stretches to the cabinet is external, the current transformer sets up on the cabinet body, be qualified for the next round of competitions insulator with connect through soft busbar between the current transformer, the cabinet body includes integrated into one piece's bottom plate, roof and is located the curb plate between bottom plate and the roof, be qualified for the next round of competitions insulator and current transformer all sets up on the right side curb plate of the cabinet body.

Further, the intelligent cabinet temperature control system further comprises a high-voltage lightning arrester, wherein the high-voltage lightning arrester is arranged on the right side plate of the cabinet body through a detachable assembly, and the high-voltage lightning arrester is connected with the flexible bus.

Further, the detachable component comprises a plurality of bolts, and the high-voltage lightning arrester is locked on the right side plate of the cabinet body by the bolts.

Further, the high-voltage lightning arrester cabinet further comprises a tripod, and the tripod is arranged between the high-voltage lightning arrester and the right side plate of the cabinet body.

Further, the cabinet body further comprises a sealing door arranged on the side plate.

Further, the incoming insulator is arranged on the top plate, and the high-voltage lightning arrester, the outgoing insulator and the current transformer are sequentially arranged on the right side plate of the cabinet body from top to bottom.

Further, the device also comprises a secondary element chamber, and the bottom plate is arranged on the secondary element chamber.

Further, the cabinet body is cubic in shape.

Further, the gas-filled cabinet is a 35kVSF6 gas-filled cabinet.

Compared with the prior art, the technical scheme has the advantages that the flexible bus is used for connecting the outgoing insulator and the current transformer, so that the cost can be reduced, the transportation of the air charging cabinet is convenient, and the later replacement and maintenance are more convenient; the cabinet body is integrated into one piece, and insulator and current transformer all set up on the right side curb plate of the cabinet body, and the structure atress is more even, avoids the gas cell to rock because of the transportation and leaks gas.

Drawings

FIG. 1 is a front view of a side out structure of the inflatable cabinet of the present embodiment;

fig. 2 is a right side view of the side-out structure of the air tank of the present embodiment.

Reference numerals illustrate:

1. an incoming insulator;

2. a high voltage arrester;

3. an outgoing insulator;

4. a current transformer;

5. a cabinet body;

51. a top plate;

52. a right side plate;

53. a bottom plate;

6. a secondary element chamber;

7. a flexible bus;

8. and a tripod.

Detailed Description

In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present utility model in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only for more clearly illustrating the technical aspects of the present utility model, and thus are only exemplary and not intended to limit the scope of the present utility model.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present utility model, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present utility model pertains; the use of related terms herein is for the purpose of describing particular embodiments only and is not intended to limit the utility model.

In the description of the present utility model, the term "and/or" is a representation for describing a logical relationship between objects, which means that three relationships may exist, for example a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.

In the present utility model, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this specification is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

As in the understanding of "review guidelines," the expressions "greater than", "less than", "exceeding" and the like are understood to exclude this number in the present utility model; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of embodiments of the present utility model, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of" and the like, unless specifically defined otherwise.

In the description of embodiments of the present utility model, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as a basis for the description of the embodiments or as a basis for the description of the embodiments, and are not intended to indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation and therefore should not be construed as limiting the embodiments of the present utility model.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "affixed," "disposed," and the like as used in the description of embodiments of the utility model should be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, connected or communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the embodiments of the present utility model can be understood by those skilled in the art to which the present utility model pertains according to circumstances.

Referring to fig. 1 and 2, the present embodiment provides an inflatable cabinet side outlet structure, which comprises a cabinet body 5, three wire-incoming insulators 1, three wire-outgoing insulators 3, a current transformer 4 and a flexible bus 7, wherein a high-voltage element is arranged in the cabinet body 5, the three wire-incoming insulators 1 are arranged side by side, one end of each wire-incoming insulator 1 is connected with the high-voltage element, the other end extends out of the cabinet body 5 and is connected with a copper bus, the three wire-outgoing insulators 3 are arranged on the cabinet body 5 side by side, one end of each wire-outgoing insulator 3 is connected with the high-voltage element, the other end extends out of the cabinet body 5, the current transformer 4 is arranged on the cabinet body 5, the wire-outgoing insulators 3 and the current transformer 4 are connected through the flexible bus 7, the cabinet body 5 comprises a bottom plate 53, a top plate 51 and a side plate positioned between the bottom plate 53 and the top plate 51, and the wire-outgoing insulators 3 and the current transformer 4 are all arranged on a right side plate 52 of the cabinet body 5.

It should be noted that, the cabinet body 5 is integrally formed, the bottom plate 53 is located below, the bottom of the side plate is disposed on the edge of the bottom plate 53, and the top of the side plate is provided with the top plate 51. Preferably, the cabinet 5 is in the shape of a cube having four side panels, a left side panel, a right side panel 52, a front side panel, and a rear side panel.

The flexible busbar 7 is generally circular in cross section, and is easily bendable and easy to manufacture. The common flexible bus 7 is an aluminum stranded wire (formed by winding a plurality of aluminum wires), and in order to increase the strength, a steel-cored aluminum stranded wire is adopted.

According to one embodiment of the utility model, the side-out structure of the inflatable cabinet further comprises a high-voltage lightning arrester 2, wherein the high-voltage lightning arrester 2 is arranged on the right side plate 52 of the cabinet body 5 through a detachable assembly, and the detachable assembly is convenient for detaching and overhauling the high-voltage lightning arrester 2. The high-voltage lightning arrester 2 is connected with a flexible bus 7, namely the outgoing insulator 3, the high-voltage lightning arrester 2 and the current transformer 4 are connected through the flexible bus 7.

The high-voltage lightning arrester 2 cuts the amplitude of the invasion flow wave to reduce the overvoltage value of the air charging cabinet, thereby playing the role of protecting the air charging cabinet. The high voltage arrester 2 is connected between the cable and the ground, typically in parallel with the gas tank. Once abnormal voltage occurs, the high-voltage lightning arrester 2 acts to play a role in protection. When the high voltage arrester 2 is operated at normal operating voltage, the high voltage arrester 2 will not function and is considered to be open circuit to the ground. Once a high voltage occurs and the insulation of the gas-filled cabinet is compromised, the high voltage arrester 2 acts immediately, directing the high voltage surge current to ground, limiting the voltage amplitude and protecting the gas-filled cabinet. After the overvoltage disappears, the high-voltage lightning arrester 2 quickly returns to the original state, so that the inflatable cabinet works normally.

According to one embodiment of the utility model, the removable assembly comprises a number of bolts which lock the high voltage arrester 2 to the right side plate 52 of the cabinet 5. Screw holes corresponding to the bolts are formed in the right side plate 52 of the cabinet body 5, the number of the screw holes is the same as that of the bolts, positioning holes for the bolts to pass through are formed in the bottom edge of the high-voltage lightning arrester 2, the bolts can penetrate through the positioning holes and then are screwed into the screw holes, the fastening effect is achieved, and otherwise the bolts are screwed out of the screw holes, so that the high-voltage lightning arrester 2 can be detached.

According to one embodiment of the utility model, the cabinet 5 further comprises a sealing door provided on the side panels. When the sealing door is closed, the cabinet body 5 presents a sealing state, which is beneficial to the operation of the air charging cabinet. When the inside of the inflatable cabinet needs to be overhauled, the sealing door is opened.

According to one embodiment of the utility model, the cabinet 5 is made of insulating material, and good insulation is the most reliable means for ensuring the safe operation of electrical equipment and circuits and preventing personal electric shock accidents.

According to one embodiment of the utility model, three outgoing line insulators 3, three current transformers 4 and three flexible buses 7 are shared, and one outgoing line insulator 3 and one current transformer 4 are connected through one flexible bus 7. Optionally, when the side-out structure of the inflatable cabinet further comprises three high-voltage arresters 2, the three high-voltage arresters 2 are also connected with one another through a flexible bus 7, and the high-voltage arresters 2, the outgoing line insulator 3 and the current transformer 4 are connected with one another through a flexible bus 7. The outgoing insulator 3, the current transformer 4, the high-voltage lightning arrester 2 and the flexible bus 7 are positioned on the right side wall of the cabinet body.

According to an embodiment of the utility model, the side-out structure of the inflatable cabinet further comprises a tripod 8, and the tripod 8 is arranged between the high-voltage lightning arrester 2 and the right side plate 52 of the cabinet body 5. The tripod 8 is placed sideways, the bottom of which is arranged on the right side plate 52 of the cabinet 5, and the top of which is provided with the high voltage arrester 2, so that the high voltage arrester 2 and the cabinet 5 form an indirect connection.

Further, since the high voltage arrester 2 is detachably connected with the right side plate 52 of the cabinet body 5, when the tripod 8 is provided between the high voltage arrester 2 and the right side plate 52 of the cabinet body 5, the high voltage arrester 2 is detachably connected with the tripod 8, the tripod 8 is fixed on the right side plate 52, or the high voltage arrester 2 is fixed on the tripod 8, the tripod 8 is detachably connected with the right side plate 52, or the high voltage arrester 2, the tripod 8 and the right side plate 52 are detachably connected.

According to one embodiment of the utility model, the incoming insulator 1 is arranged on the top plate 51, and the high-voltage lightning arrester 2, the outgoing insulator 3 and the current transformer 4 are arranged on the right side plate 52 of the cabinet body 5 in sequence from top to bottom.

According to one embodiment of the utility model, the side-out structure of the inflatable cabinet further comprises a secondary element chamber 6, and the bottom plate 53 of the cabinet body 5 is arranged on the secondary element chamber 6 and above the secondary element chamber 6. Preferably, the cabinet body 5 and the secondary element chamber 6 are fixed together, and the fixed connection mode can be welding or integral molding. Preferably, the cabinet body 5 and the secondary element chamber 6 are both in a cube shape, so that the cabinet body and the secondary element chamber are conveniently and stably placed on the fixing surface.

According to one embodiment of the utility model, the side-out structure of the inflatable cabinet further comprises a first sealing member, by means of which the three incoming line insulators 1 are sealed to the top plate 51 of the cabinet 5. The side outlet structure of the inflatable cabinet further comprises a second sealing piece, and the three outlet insulators 3 are sealed on the right side plate 52 of the cabinet body 5 through the second sealing piece. So, inlet wire insulator 1 and insulator 3 of being qualified for next round of competitions are fixed on the cabinet body 5 of the SF6 inflatable cabinet of sealed and all insulation design through the sealing member, and whole stress point equipartition, the structure is more reasonable, prevents that the transportation from rocking and gas leakage.

According to one embodiment of the utility model, the gas-filled cabinet is a 35kVSF6 gas-filled cabinet, SF6 gas is filled in the cabinet body 5, and a vacuum circuit breaker, a disconnecting switch, a load switch, branch fuses and the like are concentrated in the cabinet body 5.

The beneficial effects of the utility model are as follows:

the volume of the inflatable cabinet is larger than that of the original inflatable cabinet, the stress of the inflatable cabinet is also large, and the inflatable cabinet is prevented from deforming by adopting high-strength materials;

the incoming insulator and the outgoing insulator are fixed on the cabinet body of the SF6 air charging cabinet with sealed and full-insulation design through the sealing piece, and the whole stress points are uniformly distributed, so that the structure is more reasonable, and the air leakage caused by transportation shaking is prevented;

the high-voltage lightning arrester and the current transformer are hung on the right side plate of the air charging cabinet, and are firmly connected to the air charging cabinet in a special connection mode, so that the structural stress is more uniform, and air leakage of the air charging cabinet due to transportation and shaking is avoided;

the bus connection among the high-voltage lightning arrester, the outgoing insulator and the current transformer is changed from original hard connection to soft connection, so that the cost is reduced, the connection space is more reasonable, and the replacement and maintenance at the later stage are more convenient.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims

1. The utility model provides an aerify cabinet side out structure, includes the cabinet body, three inlet wire insulator, three insulator, current transformer and the soft busbar of being qualified for the next round of competitions, three inlet wire insulator sets up side by side, the one end and the high-voltage component of inlet wire insulator are connected, and the other end stretches to the cabinet is external and is connected with the copper busbar, three the insulator of being qualified for the next round of competitions sets up side by side on the cabinet body, the one end of insulator of being qualified for the next round of competitions with the high-voltage component is connected, and the other end stretches to the cabinet is external, the current transformer sets up on the cabinet body, be qualified for the next round of competitions the insulator with connect through the soft busbar between the current transformer, its characterized in that, the cabinet body includes integrated into one piece's bottom plate, roof and is located the curb plate between bottom plate and the roof, be qualified for the next round of competitions the insulator with the current transformer all sets up on the right side curb plate of the cabinet body.

2. The inflatable cabinet side-out structure according to claim 1, further comprising a high-voltage lightning arrester, wherein the high-voltage lightning arrester is arranged on the right side plate of the cabinet body through a detachable assembly, and the high-voltage lightning arrester is connected with the flexible bus bar.

3. The inflatable cabinet side-out structure according to claim 2, wherein the detachable assembly comprises a plurality of bolts, and the plurality of bolts lock the high voltage arrester to the right side plate of the cabinet.

4. The inflatable cabinet side-out structure according to claim 2, further comprising a tripod, wherein the tripod is provided between the high-voltage lightning arrester and the right side plate of the cabinet body.

5. The inflatable cabinet side-out structure of claim 1, wherein said cabinet further comprises a sealing door disposed on said side panel.

6. The side outlet structure of the inflatable cabinet according to claim 2, wherein the inlet insulator is arranged on the top plate, and the high-voltage lightning arrester, the outlet insulator and the current transformer are sequentially arranged on the right side plate of the cabinet body from top to bottom.

7. The air chest side out construction of claim 1 further comprising a secondary element chamber, said floor being disposed on said secondary element chamber.

8. The inflatable cabinet side-out structure according to claim 1, wherein the cabinet body is cubic in shape.

9. A side-out structure of a gas-filled tank according to any of claims 1 to 8, wherein said tank is 35kVSF ₆ And (5) an air charging cabinet.