CN211016984U - Fuse cylinder of solid cabinet - Google Patents
Fuse cylinder of solid cabinet Download PDFInfo
- Publication number
- CN211016984U CN211016984U CN201922150396.9U CN201922150396U CN211016984U CN 211016984 U CN211016984 U CN 211016984U CN 201922150396 U CN201922150396 U CN 201922150396U CN 211016984 U CN211016984 U CN 211016984U
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- fuse
- insulating body
- outgoing line
- solid cabinet
- insulator
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Abstract
The utility model relates to the technical field of electrical equipment, in particular to a fuse tube of a solid cabinet, which comprises an insulating body, an upper incoming line and a lower outgoing line, wherein the insulating body is internally provided with a containing space for containing a fuse, the upper incoming line extends into the insulating body and is connected with the top of the containing space, and the lower outgoing line extends into the insulating body and is connected with the side wall of the containing space close to the bottom of the containing space; the insulation body is also internally provided with a grounding shielding net which is sleeved on the lower outgoing line; the utility model is used for indicating the electrified state of the switch through the grounding shielding net; secondly, the extremely uneven electric field is changed into a slightly uneven electric field, and the electric field intensity of the part is reduced; a conductive loop is formed by connecting the fuse with the upper outgoing line and the lower outgoing line; through accommodation space, the fuse forms the fuse conductive circuit in solid cabinet fuse section of thick bamboo, realizes combining of fuse branch, ground connection, isolation, does not receive external influence when the operation, has improved the reliability of operation.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, concretely relates to solid cabinet fuse section of thick bamboo.
Background
The fuse tube is one of indispensable important parts in the switch cabinet, can cut off the circuit and make the tripping thimble action among them realize the dropout when the electric current is too big, plays the safety protection effect to the switch cabinet, therefore, the performance of fuse tube directly influences the security of high tension switchgear operation.
Sulfur hexafluoride is commonly used in existing fuse tube designs to achieve insulation. However, sulfur hexafluoride gas has received much attention from people in all communities as one of six greenhouse effect gases. China already takes the implementation of energy conservation and emission reduction as a national policy of sustainable development; at present, no fuse cylinder design applicable to sulfur hexafluoride-free insulated combined electrical appliances exists in domestic and foreign markets.
Existing fuse cartridges need to be redesigned without using sulfur hexafluoride for insulation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a solid cabinet fuse tube meeting the requirements of the whole loop of a ring main unit adopting solid insulation epoxy resin as an insulation medium on the ground and the phase insulation performance is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the fuse tube of the solid cabinet comprises an insulating body, an upper incoming line and a lower outgoing line, wherein a containing space for containing a fuse is arranged in the insulating body, the upper incoming line extends into the insulating body and is connected with the top of the containing space, and the lower outgoing line extends into the insulating body and is connected with the side wall of the containing space close to the bottom of the containing space;
the insulation body is internally provided with a grounding shielding net which is sleeved on the lower outgoing line, a gap is formed between the grounding shielding net and the lower outgoing line, an insulator is filled in the gap, and the insulator and the insulation body are integrally formed.
The beneficial effects of the utility model reside in that: the grounding shielding net is used for indicating the electrified state of the switch, when the high-voltage conductor is electrified, the induction capacitor generates a low-voltage electric signal, the prompting and warning effects can be achieved by connecting the high-voltage electrified display, and the switch equipment does not need to be specially provided with a high-voltage sensor; secondly, the extremely uneven electric field is changed into a slightly uneven electric field through the grounding shielding net, the electric field intensity of the part is reduced, and the sleeve can safely penetrate through the metal plate due to the shielding effect to form different compartments; the accommodating space of the fuse is connected with the upper wire and the lower wire to form a conductive loop, and when the switch is in a switching-off state, the switch can be reliably grounded to ensure safety; through accommodation space, the fuse forms the fuse conductive circuit in solid cabinet fuse section of thick bamboo, realizes combining of fuse branch, ground connection, isolation, does not receive external influence when the operation, has improved the reliability of operation.
Drawings
FIG. 1 is a perspective view of a fuse tube of a solid cabinet according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a fuse tube of a solid cabinet according to an embodiment of the present invention;
FIG. 3 is a bottom view of a fuse tube of a solid cabinet according to an embodiment of the present invention;
description of reference numerals: 1. an insulating body; 2. upward feeding; 3. a lower outgoing line; 4. an accommodating space; 5. a grounded shielding mesh; 6. a raised portion; 7. a ground nut; 8. a watchband contact finger; 9. a first extension portion; 10. a second extension portion; 11. and connecting a nut.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a fuse tube of a solid cabinet of the present invention includes an insulating body 1, an upper incoming line 2 and a lower outgoing line 3, wherein an accommodating space 4 for accommodating a fuse is provided in the insulating body 1, the upper incoming line 2 extends into the insulating body 1 and is connected to the top of the accommodating space 4, and the lower outgoing line 3 extends into the insulating body 1 and is connected to a sidewall of the accommodating space 4 near the bottom of the accommodating space 4;
the insulation body 1 is further internally provided with a grounding shielding net 5, the grounding shielding net 5 is sleeved on the lower outgoing line 3, a gap is formed between the grounding shielding net 5 and the lower outgoing line 3, an insulator is filled in the gap, and the insulator and the insulation body 1 are integrally formed.
As can be seen from the above description, the grounding shielding net 5 is used for indicating the electrified state of the switch, when the high-voltage conductor is electrified, the induction capacitor generates a low-voltage electrical signal, and the prompting and warning effects can be achieved by connecting the high-voltage electrified display, and the switch equipment does not need to be specially provided with a high-voltage sensor; secondly, the extremely uneven electric field is changed into a slightly uneven electric field through the grounding shielding net 5, the electric field intensity of the part is reduced, and the sleeve can safely penetrate through the metal plate due to the shielding effect to form different compartments; the containing space 4 of the fuse is connected with the upper incoming line 2 and the lower outgoing line 3 to form a conductive loop, one side of the lower outgoing line 3 is connected with the containing space 4, the other side of the lower outgoing line 3 can also be connected with a grounding loop, and when the switch is in a switching-off state, the switch can be reliably grounded to ensure safety; through accommodation space 4, the fuse forms the fuse conductive circuit in solid cabinet fuse section of thick bamboo, realizes the joint of fuse, ground connection, isolation, does not receive external influence when the operation, has improved the reliability of operation.
Further, the insulator and the insulator body 1 are molded into an integral structure by an epoxy resin automatic pressure gel molding process.
From the above description, the fuse tube of the solid cabinet is formed into an integral structure by the epoxy resin automatic pressure gel forming process, so that the mechanical performance of the fuse tube of the solid cabinet can be obviously improved, meanwhile, the forming precision by the epoxy resin automatic pressure gel forming process is higher, the size accuracy of the insulating body 1 can be improved, the cooperation with a mechanism and a box body is facilitated, the contact resistance is reduced, the interchangeability is high, the possible local discharge nodes are few, the service life is long, the cost is low, the weight is light, the installation is labor-saving and convenient, and the requirement of an installer is low; meanwhile, the miniaturization and the good interchangeability of the switch can be realized.
Furthermore, a raised part 6 is provided on the insulating body 1 opposite to the ground shielding net 5, and the raised part 6 is integrally formed with the insulating body 1.
As can be seen from the above description, the ridge 6 formed integrally can improve the insulation level along the surface, and together with the shielding net, the probability of phase-to-phase and ground faults when the tank body leaks can be reduced.
Further, a grounding nut 7 is provided in the raised portion 6.
Furthermore, a watchband contact finger 8 is further arranged in the insulation body 1, and the watchband contact finger 8 is connected with the side wall of the accommodating space 4.
Furthermore, the insulating body 1 opposite to the bottom of the accommodating space 4 is provided with a first extending part 9 extending outwards, the insulating body 1 opposite to the watchband contact finger 8 is provided with a second extending part 10 extending outwards, and a plurality of connecting nuts 11 are arranged on the first extending part 9 and the second extending part 10.
Example one
A fuse cylinder of a solid cabinet comprises an insulating body, an upper incoming line and a lower outgoing line, wherein a containing space for containing a fuse is arranged in the insulating body, the upper incoming line extends into the insulating body and is connected with the top of the containing space, and the lower outgoing line extends into the insulating body and is connected with the side wall of the containing space close to the bottom of the containing space;
the insulation body is internally provided with a grounding shielding net which is sleeved on the lower outgoing line, a gap is formed between the grounding shielding net and the lower outgoing line, an insulator is filled in the gap, and the insulator and the insulation body are integrally formed.
The insulator and the insulator body are molded into an integral structure through an epoxy resin automatic pressure gel molding process.
And a bulge part is arranged on the insulating body opposite to the grounding shielding net and is integrally formed with the insulating body.
And a grounding nut is arranged in the bulge part.
Still be provided with the watchband in the insulating body and touch and indicate, the watchband touches and indicates and be connected with the accommodation space lateral wall.
The insulation body opposite to the bottom of the accommodating space is provided with a first extension part extending outwards, the insulation body opposite to the watchband contact finger is provided with a second extension part extending outwards, and the first extension part and the second extension part are provided with a plurality of connecting nuts.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. A fuse tube of a solid cabinet is characterized by comprising an insulating body, an upper incoming line and a lower outgoing line, wherein an accommodating space for accommodating a fuse is arranged in the insulating body;
the insulation body is internally provided with a grounding shielding net which is sleeved on the lower outgoing line, a gap is formed between the grounding shielding net and the lower outgoing line, an insulator is filled in the gap, and the insulator and the insulation body are integrally formed.
2. The solid cabinet fuse tube of claim 1, wherein the insulator and the insulator body are molded as a unitary structure by an epoxy automatic pressure gel molding process.
3. The solid cabinet fuse tube of claim 1, wherein a bump is provided on the insulating body opposite the ground shield mesh, the bump being integrally formed with the insulating body.
4. The solid cabinet fuse tube of claim 3, wherein a ground nut is disposed within the boss.
5. The solid cabinet fuse tube of claim 1, wherein a watchband contact finger is further disposed in the insulating body and connected to a sidewall of the receiving space.
6. The solid cabinet fuse tube of claim 5, wherein the insulator opposite the bottom of the receiving space is provided with a first extension extending outwardly, the insulator opposite the strap finger is provided with a second extension extending outwardly, and a plurality of coupling nuts are provided on the first and second extensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150396.9U CN211016984U (en) | 2019-12-04 | 2019-12-04 | Fuse cylinder of solid cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150396.9U CN211016984U (en) | 2019-12-04 | 2019-12-04 | Fuse cylinder of solid cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211016984U true CN211016984U (en) | 2020-07-14 |
Family
ID=71475810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922150396.9U Active CN211016984U (en) | 2019-12-04 | 2019-12-04 | Fuse cylinder of solid cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211016984U (en) |
-
2019
- 2019-12-04 CN CN201922150396.9U patent/CN211016984U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A solid cabinet fuse cylinder Effective date of registration: 20230313 Granted publication date: 20200714 Pledgee: Postal Savings Bank of China Limited Xiamen Tong'an District Sub-branch Pledgor: XIAMEN HUANYUAN ELECTRIC POWER TECHNOLOGY Co.,Ltd. Registration number: Y2023980034682 |