CN103617933A - Switch cabinet fuse unit - Google Patents
Switch cabinet fuse unit Download PDFInfo
- Publication number
- CN103617933A CN103617933A CN201310600064.0A CN201310600064A CN103617933A CN 103617933 A CN103617933 A CN 103617933A CN 201310600064 A CN201310600064 A CN 201310600064A CN 103617933 A CN103617933 A CN 103617933A
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- Prior art keywords
- fuse
- silica gel
- gel sheath
- holder
- fuse holder
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Abstract
The invention discloses a switch cabinet fuse unit which is convenient to disassemble and assemble, simple in structure and modularized. The switch cabinet fuse unit comprises a fuse unit body (1), an upper silicon rubber case (2), a lower silicon rubber case (3), a current limiting fuse (4), an upper fuse base (7) and a lower fuse base (8). The upper fuse base (7) is arranged in the upper silicon rubber case (2), the upper silicon rubber case (2) is matched with the fuse unit body (1), the lower fuse base (8) is arranged in the lower silicon rubber case (3), the lower silicon rubber case (3) is matched with the fuse unit body (1), the upper end of the current limiting fuse (4) is connected with the upper fuse base (7), the lower end of the current limiting fuse (4) is connected with the lower fuse base (8), and the current limiting fuse (4) is located in the fuse unit body (1). The switch cabinet fuse unit is mainly applied to the field of electrical equipment.
Description
Technical field
The present invention relates to a kind of switch cubicle fuse unit.
Background technology
Fuse unit is one of vitals of switch cubicle, and existing fuse unit adopts pole module that the insulating material such as epoxy resin are made to come sealing electric connecting part to improve dielectric strength more, and fuse unit and pole modular design are integrated.But this scenario-frame is intricate, production cost is higher, and when fuse unit parts damages, need integral replacing pole module, maintenance cost is higher, and after pole module replacing, switch cubicle univers parameter all needs to readjust, this brings some inconvenience to the maintenance of switch cubicle.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of easy accessibility, simple in structure and modular switch cubicle fuse unit are provided.
The technical solution adopted in the present invention is: a kind of switch cubicle fuse unit, it comprises fuse stack shell, upper silica gel sheath, lower silica gel sheath, current limiting fuse, upper fuse holder and lower fuse holder, described upper fuse holder is arranged in described upper silica gel sheath, described upper silica gel sheath coordinates with described fuse stack shell, described lower fuse holder is arranged in described lower silica gel sheath, described lower silica gel sheath coordinates with described fuse stack shell, described current limiting fuse upper end is connected with described upper fuse holder, lower end is connected with described lower fuse holder, and described current limiting fuse is positioned at described fuse stack shell.
In described upper fuse holder, be provided with fuse clip, positioning rubber cover, push rod and upper copper plug, described fuse clip, described push rod and described copper plug are all arranged on described fuse holder, described push rod can move axially, and described positioning rubber cover coordinates with described upper fuse holder and described upper fuse clip respectively.
In described lower fuse holder, be provided with lower fuse clip, plug bearing, lower copper plug and line nose, described lower fuse clip and described plug bearing are all arranged on described lower fuse holder, described lower copper plug is fixed on described plug bearing, and described line nose is fixed on described plug bearing.
On described upper silica gel sheath, be connected with contact box, described upper silica gel sheath coordinates with described contact box, and described copper plug inserts in described contact box.
On described lower silica gel sheath, be connected with porcelain bottle sleeve, described lower silica gel sheath coordinates with described porcelain bottle sleeve, and described lower copper plug inserts in described porcelain bottle sleeve.
Described current limiting fuse top is provided with striker.
The connecting portion of described upper silica gel sheath and lower silica gel sheath and described fuse stack shell all scribbles lubricated silicone grease.
The invention has the beneficial effects as follows: owing to the present invention includes fuse stack shell, upper silica gel sheath, lower silica gel sheath, current limiting fuse, upper fuse holder and lower fuse holder, described upper fuse holder is arranged in described upper silica gel sheath, described upper silica gel sheath coordinates with described fuse stack shell, described lower fuse holder is arranged in described lower silica gel sheath, described lower silica gel sheath coordinates with described fuse stack shell, described current limiting fuse upper end is connected with described upper fuse holder, lower end is connected with described lower fuse holder, described current limiting fuse is positioned at described fuse stack shell, described fuse unit for each independently part cooperatively interact and be formed by connecting, have simple in structure, modular design feature, when fuse unit parts damages, only need to split out corresponding parts keeps in repair and changes, thereby also have maintenance easy accessibility feature.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the exploded perspective view of the embodiment of the present invention;
Fig. 3 is the exploded perspective view of the upper fuse holder of the embodiment of the present invention;
Fig. 4 is the exploded perspective view of the lower fuse holder of the embodiment of the present invention.
Embodiment
Be illustrated in figure 1 a kind of switch cubicle fuse unit, it comprises fuse stack shell 1, upper silica gel sheath 2, lower silica gel sheath 3, current limiting fuse 4, contact box 5, porcelain bottle sleeve 6, upper fuse holder 7 and lower fuse holder 8.
In described upper fuse holder 7, be provided with fuse clip 71, positioning rubber cover 72, push rod 73 and upper copper plug 74, described fuse clip 71 is arranged on described fuse holder 7 by rivet, described positioning rubber cover 72 is connected and coordinates with described upper fuse clip 71 in described upper fuse holder 7 by draw-in groove, described push rod 73 is arranged on described fuse holder 7 movably by jump ring, and described copper plug 74 is fixed on described fuse holder 7.
In described lower fuse holder 8, be provided with lower fuse clip 81, plug bearing 82, lower copper plug 83 and line nose 84, described lower fuse clip 81 by rivet be arranged on described lower fuse holder 8, described plug bearing 82 is screwed in described lower fuse holder 8, lower copper plug 83 is arranged on by screw and is fixed on plug bearing 82, described line nose 84 is screwed on described plug bearing 82, the interior compression of the online nose 84 of the cable core of midium voltage cable.
Described upper fuse holder 7 is arranged in described upper silica gel sheath 2, described upper silica gel sheath 2 coordinates with described contact box 5 with described fuse stack shell 1 respectively and described copper plug 74 inserts in described contact box 5, described lower fuse holder 8 is arranged in described lower silica gel sheath 3 and described lower copper plug 83 inserts in described porcelain bottle sleeve 6, described lower silica gel sheath 3 coordinates with described porcelain bottle sleeve 6 with described fuse stack shell 1 respectively, described current limiting fuse 4 upper ends of stating are provided with striker 41 and are connected with described upper fuse holder 7 by described upper fuse clip 71, lower end is connected with described lower fuse holder 8 by described lower fuse clip 81, described current limiting fuse 4 is positioned at described fuse stack shell 1.
When short circuit current appears in loop, after described current limiting fuse 4 is fused, the striker 41 on described current limiting fuse 4 tops clashes into described push rod 73, and push rod 73 carries out separating brake action to top offset lead agency, with this, disconnects all the other circuits.
In the present invention, described upper fuse holder 7, described lower fuse holder 8, described copper plug 74 and described lower copper plug 83 are all selected silver-plated copper, are conducive to heat radiation.Described upper silica gel sheath 2 and lower silica gel sheath 3 all scribble lubricated silicone grease with the connecting portion of described fuse stack shell 1, so, can improve the sealing property of fuse stack shell.The all electric connecting parts of the present invention are all wrapped in silicon rubber, and insulation property are good.
Claims (7)
1. a switch cubicle fuse unit, it is characterized in that: it comprises fuse stack shell (1), upper silica gel sheath (2), lower silica gel sheath (3), current limiting fuse (4), upper fuse holder (7) and lower fuse holder (8), described upper fuse holder (7) is arranged in described upper silica gel sheath (2), described upper silica gel sheath (2) coordinates with described fuse stack shell (1), described lower fuse holder (8) is arranged in described lower silica gel sheath (3), described lower silica gel sheath (3) coordinates with described fuse stack shell (1), described current limiting fuse (4) upper end is connected with described upper fuse holder (7), lower end is connected with described lower fuse holder (8), described current limiting fuse (4) is positioned at described fuse stack shell (1).
2. a kind of switch cubicle fuse unit according to claim 1, it is characterized in that: in described upper fuse holder (7), be provided with fuse clip (71), positioning rubber cover (72), push rod (73) and upper copper plug (74), described fuse clip (71), described push rod (73) and described copper plug (74) are all arranged on described fuse holder (7), described push rod (73) can move axially, and described positioning rubber cover (72) coordinates with described upper fuse holder (7) and described upper fuse clip (71) respectively.
3. a kind of switch cubicle fuse unit according to claim 1, it is characterized in that: in described lower fuse holder (8), be provided with lower fuse clip (81), plug bearing (82), lower copper plug (83) and line nose (84), described lower fuse clip (81) and described plug bearing (82) are all arranged on described lower fuse holder (8), it is upper that described lower copper plug (83) is fixed on described plug bearing (82), and described line nose (84) is fixed on described plug bearing (82).
4. a kind of switch cubicle fuse unit according to claim 2, it is characterized in that: on described upper silica gel sheath (2), be connected with contact box (5), described upper silica gel sheath (2) coordinates with described contact box (5), and described copper plug (74) inserts in described contact box (5).
5. a kind of switch cubicle fuse unit according to claim 3, it is characterized in that: on described lower silica gel sheath (3), be connected with porcelain bottle sleeve (6), described lower silica gel sheath (3) coordinates with described porcelain bottle sleeve (6), and described lower copper plug (83) inserts in described porcelain bottle sleeve (6).
6. a kind of switch cubicle fuse unit according to claim 1, is characterized in that: described current limiting fuse (4) top is provided with striker (41).
7. a kind of switch cubicle fuse unit according to claim 1, is characterized in that: described upper silica gel sheath (2) and lower silica gel sheath (3) all scribble lubricated silicone grease with the connecting portion of described fuse stack shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600064.0A CN103617933A (en) | 2013-11-25 | 2013-11-25 | Switch cabinet fuse unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600064.0A CN103617933A (en) | 2013-11-25 | 2013-11-25 | Switch cabinet fuse unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103617933A true CN103617933A (en) | 2014-03-05 |
Family
ID=50168636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310600064.0A Pending CN103617933A (en) | 2013-11-25 | 2013-11-25 | Switch cabinet fuse unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103617933A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3004856A1 (en) * | 1980-02-09 | 1981-08-20 | Fritz Driescher Spezialfabrik für Elektrizitätswerksbedarf, 5144 Wegberg | Gas-insulated HV switching cell - has fuse retained between tube sections and suspended from insulator inside gas-filled casing |
| EP0798757A2 (en) * | 1996-03-29 | 1997-10-01 | Felten & Guilleaume Energietechnik AG | Connection device with a fuse, for a compact transformer station |
| CN201402921Y (en) * | 2009-05-11 | 2010-02-10 | 珠海市可利电气有限公司 | High-voltage current-limiting fuse cabin of high voltage switchgear |
| CN203406254U (en) * | 2013-07-19 | 2014-01-22 | 珠海平高开关电气有限公司 | Novel high-voltage current-limiting fuse |
| CN203562383U (en) * | 2013-11-25 | 2014-04-23 | 希格玛电气(珠海)有限公司 | Switch cabinet fuse tube |
-
2013
- 2013-11-25 CN CN201310600064.0A patent/CN103617933A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3004856A1 (en) * | 1980-02-09 | 1981-08-20 | Fritz Driescher Spezialfabrik für Elektrizitätswerksbedarf, 5144 Wegberg | Gas-insulated HV switching cell - has fuse retained between tube sections and suspended from insulator inside gas-filled casing |
| EP0798757A2 (en) * | 1996-03-29 | 1997-10-01 | Felten & Guilleaume Energietechnik AG | Connection device with a fuse, for a compact transformer station |
| CN1169048A (en) * | 1996-03-29 | 1997-12-31 | 费尔腾和古伊勒奥梅能源股份公司 | Fuse connection system for compact substations |
| CN201402921Y (en) * | 2009-05-11 | 2010-02-10 | 珠海市可利电气有限公司 | High-voltage current-limiting fuse cabin of high voltage switchgear |
| CN203406254U (en) * | 2013-07-19 | 2014-01-22 | 珠海平高开关电气有限公司 | Novel high-voltage current-limiting fuse |
| CN203562383U (en) * | 2013-11-25 | 2014-04-23 | 希格玛电气(珠海)有限公司 | Switch cabinet fuse tube |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140305 |