CN213150710U

CN213150710U - High-altitude contactor fuse combined electrical apparatus

Info

Publication number: CN213150710U
Application number: CN202021754342.XU
Authority: CN
Inventors: 姚瑞灿; 李凌崇; 林新浪
Original assignee: XIAMEN XEC ELECTRIC CO Ltd
Current assignee: XIAMEN XEC ELECTRIC CO Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-07
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a high height above sea level contactor fuse combined electrical apparatus, including fixed frame, fixed mounting A looks major loop, B looks major loop and C looks major loop on the fixed frame, every looks major loop includes the vacuum contactor module that fuse module and electricity are connected, and fuse module top is equipped with and is qualified for the next round of competitions, and the extending direction of vacuum contactor module is equipped with down is qualified for the next round of competitions, go up to be qualified for the next round of competitions and be qualified for the next round of competitions for the next round of insulation plug for the full-sealed. The utility model discloses mainly use in high altitude area, because size restriction, be qualified for the next round of competitions from top to bottom and set to totally enclosed plug structure, the upper and lower conductor of being qualified for the next round of competitions is sealed and does not expose during the electricity connection to guarantee safe air gap between the phase line.

Description

High-altitude contactor fuse combined electrical apparatus

Technical Field

The utility model discloses a high altitude contactor fuse combined electrical apparatus belongs to electrical apparatus switch technical field according to international patent classification table (IPC) division.

Background

The upper and lower outgoing lines of the existing contactor-fuse combined electrical apparatus (F-C) applied in low altitude areas are generally in a plum blossom contact structure, and when the contacts are electrically connected, part of conductors are exposed in the air. However, in high altitude areas, due to the rarefied atmosphere, the requirement for the air gap of the switch phase line is higher, and the size of the switch cabinet cannot be increased, so that in order to meet the requirement for safe insulation, a safe and reliable contactor-fuse structure needs to be developed.

Disclosure of Invention

The utility model provides a high altitude contactor fuse combined electrical apparatus, has advantages such as compact structure, safe and reliable to prior art not enough.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a high height above sea level contactor fuse combined electrical apparatus, includes fixed frame, fixed mounting A looks major loop, B looks major loop and C looks major loop on the fixed frame, and every looks major loop includes the vacuum contactor module that fuse module and electricity are connected, and fuse module top is equipped with goes out the line, and the extending direction of vacuum contactor module is equipped with down is qualified for the next round of competitions, go up to be qualified for the next round of competitions and be qualified for the next round of competitions for the full-sealed insulating plug.

Furthermore, the upper outgoing line is a T-shaped plug, the plug is provided with an annular bulge and a conical structure of which the pipe diameter is gradually reduced towards the front end, and an inner conductor of the plug is electrically connected with the fuse.

Furthermore, the fuse module comprises a fuse and a matched fuse sleeve, and the fuse sleeve and the upper outgoing line are integrally cast and molded.

Further, the vacuum contactor module comprises a vacuum bubble, the vacuum bubble is connected with a lower outgoing line along the axis direction, and the vacuum bubble and the lower outgoing line are integrally formed.

Furthermore, the lower outgoing lines of the A-phase main circuit, the B-phase main circuit and the C-phase main circuit are sleeved with three-phase integrated current transformers, and the current transformers are arranged on a support plate of the frame.

Furthermore, the combined electrical appliance also comprises a matched outer cabinet which is substantially in a cube shape, and the external dimension of the outer cabinet is 600X600X600, and the unit CM is.

The utility model discloses vacuum contactor-fuse combined electrical apparatus mainly uses in high altitude area, because size restriction, is qualified for the next round of competitions from top to bottom and sets to the totally enclosed plug structure, and the upper and lower conductor of being qualified for the next round of competitions when the electricity is connected seals and does not expose to guarantee safe air gap between the phase line, be fit for loads such as control and protection motor, transformer, capacitor bank.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a front view of the embodiment of the present invention.

Fig. 3 is a right side view of the embodiment of the present invention shown in fig. 2.

Fig. 4 is a left side view of the embodiment of the present invention in fig. 2.

Fig. 5 is a perspective view of the utility model of an external cabinet.

Fig. 6 is a front view of the outer cabinet of the utility model.

Fig. 7 is the right side view of the utility model discloses cooperation outer cabinet figure 6.

Fig. 8 is the left side view of the matching outer cabinet of the utility model in fig. 6.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example (b): referring to fig. 1 to 4, a high altitude contactor fuse combined electrical apparatus includes a fixed frame 1, on which an a-phase main circuit, a B-phase main circuit and a C-phase main circuit are fixedly installed, each phase main circuit includes a fuse module and an electrically connected vacuum contactor module, an upper outgoing line 2 is disposed above the fuse module, a lower outgoing line 3 is disposed in an extending direction of the vacuum contactor module, the upper outgoing line 2 and the lower outgoing line 3 are fully sealed insulating plugs, and conductors of the upper outgoing line and the lower outgoing line are sealed and not exposed when electrically connected. The utility model discloses well upper outlet 2 is T type plug, and this plug has the toper structure that cyclic annular arch and pipe diameter dwindle gradually to the front end, and the plug inner conductor is connected with the fuse electricity. The utility model discloses the fuse module includes fuse and complex fuse sleeve 4, fuse sleeve 4 with go out 2 integrative casting shaping on with. The utility model discloses well vacuum contactor module 5 includes the vacuum bubble, and the vacuum bubble is qualified for the next round of competitions 3 under connecting along the axis direction, and the vacuum bubble is qualified for the next round of competitions integrated into one piece with lower, specifically is the vacuum bubble and is qualified for the next round of competitions pouring integrated into one piece, and the insulating pull rod that the vacuum bubble is connected with tripping device.

Referring to fig. 1 and 2, the lower outgoing lines of the phase a main circuit, the phase B main circuit and the phase C main circuit are sleeved with a current transformer 6 integrated with three phases, the current transformer 6 is mounted on a support plate of the frame 1, and the current transformer 6 is used for detecting passing current to protect load safety work in time.

Referring to fig. 5 to 8, the combined electrical apparatus of the present invention further includes a matching outer cabinet 7 (i.e., F-C cabinet), the outer cabinet 7 is substantially a cube, the external dimension L1XL2XL3 is 600X600, unit CM, upper and lower

outgoing lines

2, 3 extend out of the housing for electrical connection.

The utility model discloses well contactor has the ability of closing, opening and shutting and bearing rated current, but it does not possess short-circuit protection ability, and the function of fusing fast when the fuse has the heavy current short circuit, and both effectively combine to realize fault current's effective cutting off. The utility model discloses explain as follows:

1. the utility model can be used for high altitude work, in particular to work within 4500m of altitude;

2. the utility model has the advantages that the fuse tube and the upper outgoing line are integrally formed;

3. the utility model has the advantages that the vacuum bubble and the lower outgoing line of the contactor are integrally formed;

4. the lower outgoing line of the utility model adopts a straight-through and three-phase integrated current transformer, and is used for monitoring the passing current and protecting the load work in time;

5. the air gap to the ground of the utility model is designed to be 180mm, and the air insulation creepage distance is designed to be 360 mm;

6. the utility model has small external dimension, the external dimension of the F-C cabinet is 600X600X600 (the size of the high-voltage wiring part is not included);

7. the utility model is air-insulated, which avoids the deformation of the air box of the high altitude gas-insulated cabinet;

8. the utility model discloses compact structure adopts totally enclosed all-insulated T type plug, realizes safe air gap.

The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims

1. The utility model provides a high height above sea level contactor fuse combined electrical apparatus which characterized in that: including fixed frame, fixed mounting A looks major loop, B looks major loop and C looks major loop on the fixed frame, every looks major loop includes the vacuum contactor module of fuse module and electricity connection, and fuse module top is equipped with is qualified for the next round of competitions, and the extending direction of vacuum contactor module is equipped with down and is qualified for the next round of competitions, go up to be qualified for the next round of competitions and be full-sealed insulating plug down.

2. The high altitude contactor fuse combination of claim 1, wherein: the upper outgoing line is a T-shaped plug, the plug is provided with an annular bulge and a conical structure with the diameter gradually reduced towards the front end, and an inner conductor of the plug is electrically connected with the fuse.

3. A high altitude contactor fuse combination as claimed in claim 2, wherein: the fuse module comprises a fuse and a matched fuse sleeve, and the fuse sleeve and the upper outgoing line are integrally cast and molded.

4. A high altitude contactor fuse combination as claimed in claim 2, wherein: the vacuum contactor module comprises a vacuum bubble, the vacuum bubble is connected with the lower outgoing line along the axis direction, and the vacuum bubble and the lower outgoing line are integrally formed.

5. The high altitude contactor fuse combination of claim 1, wherein: the lower outgoing lines of the A-phase main loop, the B-phase main loop and the C-phase main loop are sleeved with three-phase integrated current transformers, and the current transformers are arranged on a support plate of the frame.

6. A high altitude contactor fuse combination according to any one of claims 1 to 5, wherein: also comprises an outer cabinet which is matched with the outer cabinet, and the outer cabinet is roughly cubic.