CN203415532U - Pluggable-type circuit protection device - Google Patents

Pluggable-type circuit protection device Download PDF

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Publication number
CN203415532U
CN203415532U CN201320518397.4U CN201320518397U CN203415532U CN 203415532 U CN203415532 U CN 203415532U CN 201320518397 U CN201320518397 U CN 201320518397U CN 203415532 U CN203415532 U CN 203415532U
Authority
CN
China
Prior art keywords
plug
fuse
cap
circuit protection
lock pin
Prior art date
Application number
CN201320518397.4U
Other languages
Chinese (zh)
Inventor
李娟�
车仓会
Original Assignee
西安赛盈电气设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 西安赛盈电气设备有限公司 filed Critical 西安赛盈电气设备有限公司
Priority to CN201320518397.4U priority Critical patent/CN203415532U/en
Application granted granted Critical
Publication of CN203415532U publication Critical patent/CN203415532U/en

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Abstract

The utility model discloses a pluggable-type circuit protection device, relates to an electric loop protection device, and especially relates to the pluggable-type circuit protection device which is used for protecting a high-voltage line. The pluggable-type circuit protection device comprises a sealing insulation body, and the interior of the sealing insulation body is provided with a cavity. The surface of the sealing insulation body is wrapped by a semiconductor shielding layer. The cavity of the sealing insulation body is provided with a fuse. The interior of the fuse is provided with a fuse body. Two ends of the fuse are respectively provided with a leading wire which is connected with the fuse body. The cavity of the sealing insulation body extends to the outside of the sealing insulation body and forms two jacks. Each jack is provided with an insert core. The leading wires at two ends of the fuse are respectively in electrical connection with one insert core. According to the utility model, the fuse is disposed inside the sealing insulation body in an insulation manner. The sealing insulation body is provided with the jacks. The leading wires at the fuse respectively extend into the jacks, thereby forming a connection plug, wherein one end of the plug is used for input and other end of the plug is used for output. During maintenance and replacement, the device is pulled out from a circuit, thereby breaking the connection of the device with the circuit, improving the safety, and simplifying the tedious operation of repeated electrical inspection.

Description

Plug-in circuit protection device
Technical field
The utility model relates to a kind of electric loop protective device, particularly a kind of plug-in circuit protection device for the protection of high-tension line.
Background technology
At present in electric power system, to the protection of transformer and voltage transformer circuit, conventionally utilize fuse to realize, concrete set-up mode is all that fuse is fixedly installed in circuit to be protected, although this setup can make circuit play a protective role, once but circuit abnormality, when fuse blows need to be changed, just need to cut off after the electric current in whole loop electrical verification repeatedly and confirm that Zhong Wu electricity rear, loop is replaceable, otherwise will cause the larger personnel injury of getting an electric shock, this loaded down with trivial details substitute mode, make all to need in each Renewal process large-area power failure, and loaded down with trivial details electrical verification process, extended the time of changing, caused manpower waste, the loss of resource.
Summary of the invention
The utility model is intended to propose a kind of plug-in circuit protection device simple to operate.
Plug-in circuit protection device; comprise that inside is provided with the sealed insulation body of cavity; its outer surface parcel shield semiconductors layer; in body cavity, be provided with fuse; in fuse, be provided with melt, fuse two ends are respectively equipped with a lead-in wire being connected with melt, and body cavity extends two sockets to body exterior; each spigot is equipped with a lock pin, and the lead-in wire at fuse two ends is electrically connected to respectively a lock pin.
Preferably, the sheathed upper cap in top of described body cavity, the sheathed lower cover cap in bottom, fuse is arranged between upper cap and lower cover cap, and the lead-in wire at its two ends is connected with corresponding lock pin electricity with lower cover cap by upper cap respectively, and described fuse, upper cap, the equal insulated enclosure of lower cover cap are in body interior.
Preferably, one end that described lock pin is relative with body connects blowout unit, and the length of described blowout unit is less than the length that lock pin stretches out socket, and described blowout unit is for being Lauxite arc extinguishing bar.
Preferably, two sockets of described body are arranged on the homonymy of body, and are arranged in parallel.
Preferably, body is provided with the through hole for fuse turnover at the axial upside of fuse and/or downside, and this through hole passes respectively upper cap and/or lower cover cap, and passes body, this through hole is provided with the plug matching, and this plug and body movably sealed insulation are connected.
Further preferably, described plug and body are threaded connection, and this plug comprises conduction link and the insulated handle end being mutually permanently connected, and described conduction link and upper cap or lower cover cap are electrically connected, and insulated handle end extend out to body exterior.
Further preferably, the maximum cross-section area of described through hole is more than or equal to the maximum cross-section area of fuse, the maximum cross-section area of conduction link is greater than the maximum cross-section area of through hole, and the maximum cross section central point of described plug link, through hole all overlaps on same perspective plane.
Preferably, described upper cap and lock pin correspondingly, lower cover cap and lock pin correspondingly; Between lock pin and blowout unit, upper cap and lower cover cap and fuse lead-in wire, be and be spirally connected.
Preferably, described body is fixed with plug ring, and this plug ring is arranged on a side relative with blowout unit.
Preferably, body shaft to upper end and/or lower end be respectively equipped with capacitance-voltage-distributing type sensor interface.
Plug-in circuit protection device described in the utility model; fuse insulating is arranged on to body interior; socket is set on body; lead-in wire on fuse extends in socket; form an attachment plug with one end input and other end output; during use; the lead-in wire at fuse two ends is inserted to circuit by plug respectively; no matter safeguard or change; only this circuit protection device need be extracted from circuit to the connection that can cut off between itself and circuit; do not need electrical verification work repeatedly, improved fail safe, simplified loaded down with trivial details operating procedure.Body has wrapped up shield semiconductors layer at outer surface, can implement device electriferous state under staff tangible, guaranteed personnel's personal safety, reliability is high, the utility model is simple in structure, practicality is stronger.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the utility model embodiment 1.
Fig. 2 is the cutaway view of the utility model embodiment 2.
Fig. 3 is the front view of the utility model embodiment 4.
Fig. 4 is the front view of 5 one kinds of execution modes of the utility model embodiment.
Fig. 5 is the front view of the utility model embodiment 5 another kind of execution modes.
Fig. 6 is the front view of the utility model embodiment 5 another kind of execution modes.
1-body in figure; 2-shield semiconductors layer; 3-upper cap; 4-lower cover cap; 5-fuse; 6-socket; 7-blowout unit; 8-plug; 9-plugs ring; 10-lock pin; 11-capacitance-voltage-distributing type sensor interface.
Embodiment
Embodiment 1.
Plug-in circuit protection device described in the utility model, comprise that inside is provided with the airtight body 1 of insulation cavity, body 1 outer surface is provided with shield semiconductors layer 2, the sheathed upper cap 3 in top of body 1 cavity, the sheathed lower cover cap 4 in bottom, body 1 inside is provided with fuse 5, in fuse 5, be provided with melt, the lead-in wire at fuse 5 two ends all has one end to be connected with the two ends of melt, the other end is connected with the lock pin 10 at socket 6 places by upper cap 3 or lower cover cap 4 respectively, each root lead-in wire connects a corresponding lock pin 10, on lock pin 10, connect respectively a blowout unit 7, described in the present embodiment, two of body 1 sockets 6 are all arranged on the homonymy of body 1, and be arranged in parallel, the present embodiment is set between upper cap 3 and the lock pin 10 matching, lower cover cap 4 and the lock pin 10 matching and lock pin 10 and blowout unit 7, fuse 5 lead-in wires and upper cap 3 and lower cover cap 4 and is and is spirally connected, to facilitate the installation and removal of components and parts.Described in the present embodiment, blowout unit 7 is Lauxite arc extinguishing bar, when device being carried out to on-load plug, under plug moment arcing, electric spark and Lauxite arc extinguishing bar generation chemical reaction, generation contributes to the gas of arc extinguishing, can effectively suppress the impact on equipment of electric arc.
During use, the plug-in circuit protection device described in the present embodiment is inserted in high tension loop; because the length of Lauxite arc extinguishing bar is less than the length that lock pin 10 stretches out socket 6; therefore electric current can flow into body 1 inside by lock pin 10, when circuit state is normal, and fuse 5 conductings; circuit is shielded; when circuit state is abnormal, the melt quick-break in fuse 5, interrupt in loop; protective device is pulled up from circuit come, inserted a new protective device and can realize replacing.The present embodiment is set distance between two blowout units 7 and can be adjusted arbitrarily according to the needs of design; Body of the present utility model 1 inside is insulating Design, has effectively solved problem creepage, electric leakage; Body 1 outer surface is provided with shield semiconductors layer 2, and device staff under electriferous state can be touched, and has strengthened reliability and the fail safe of device.
Embodiment 2.
The present embodiment is substantially the same manner as Example 1, and difference is that body 1 is provided with the through hole for fuse 5 turnover at the axial downside of fuse 5 described in the present embodiment, and this through hole is through lower cover cap 4, and passes body 1, and plug 8 is spirally connected mutually with body 1 sealed insulation ground.Plug 8 described in the present embodiment comprises conduction link and the insulated handle end being mutually permanently connected; The maximum cross-section area of the present embodiment setting through hole is more than or equal to the maximum cross-section area of fuse 5, the maximum cross-section area of conduction link is greater than the maximum cross-section area of through hole, and described plug 8 links, the maximum cross section central point of through hole all overlap on same perspective plane.After equipment fuse 5 disconnects, can directly change fuse 5 by this through hole, facilitated dismounting and the replacing of fuse 5, saved production cost.
Embodiment 3.
The present embodiment is substantially the same manner as Example 2, and difference is that top and the bottom of body 1 cavity arranges passage respectively described in the present embodiment, and body 1 is respectively equipped with the plug 8 matching with upper cap 3 and lower cover cap 4, and described plug 8 is spirally connected with body 1 respectively.
Embodiment 4.
The present embodiment and embodiment or 1 or 2 or 3 basic identical, difference is that the present embodiment is fixed with plug ring 9 on described body 1, this plug ring 9, in a side relative with blowout unit 7, when mounting and dismounting, can articulate mouth for instrument provides easily.
Embodiment 5.
The present embodiment and embodiment or 1 or 2 or 3 or 4 basic identical, difference is that the present embodiment is fixed with capacitance-voltage-distributing type sensor interface 11 in the axial top and bottom of described body 1, utilize this interface 11 can external high-voltage charge display device, can show that whether fuse 5 two ends have electricity, play charged indicative function.

Claims (10)

1. plug-in circuit protection device; it is characterized in that: comprise that inside is provided with the sealed insulation body (1) of cavity; its outer surface parcel shield semiconductors layer (2); in body (1) cavity, be provided with fuse (5); fuse is provided with melt in (5); fuse (5) two ends are respectively equipped with a lead-in wire being connected with melt; body (1) cavity extends two sockets (6) to body (1) outside; each socket (6) locates to be equipped with a lock pin (10), and the lead-in wire at fuse (5) two ends is electrically connected to respectively a lock pin (10).
2. plug-in circuit protection device according to claim 1; it is characterized in that: the sheathed upper cap in top (3) of described body (1) cavity; bottom sheathed lower cover cap (4); fuse (5) is arranged between upper cap (3) and lower cover cap (4); and the lead-in wire at its two ends is connected with corresponding lock pin (10) electricity with lower cover cap (4) by upper cap (3) respectively, and described fuse (5), upper cap (3), the equal insulated enclosure of lower cover cap (4) are in body (1) inside.
3. plug-in circuit protection device according to claim 2; it is characterized in that: one end that described lock pin (10) is relative with body (1) connects blowout unit (7); the length of described blowout unit (7) is less than the length that lock pin (10) stretches out socket (6), and described blowout unit (7) is Lauxite arc extinguishing bar.
4. plug-in circuit protection device according to claim 2, is characterized in that: described two sockets (6) are arranged on the homonymy of body (1), and are arranged in parallel.
5. plug-in circuit protection device according to claim 4; it is characterized in that: body (1) is provided with the through hole for fuse (5) turnover at the axial upside of fuse (5) and/or downside; this through hole is respectively through upper cap (3) and/or lower cover cap (4); and pass body (1); this through hole is provided with the plug (8) matching, and this plug (8) and body (1) movably sealed insulation are connected.
6. plug-in circuit protection device according to claim 5; it is characterized in that described plug (8) and body (1) are threaded connection; this plug (8) comprises conduction link and the insulated handle end being mutually permanently connected; described conduction link and upper cap (3) or lower cover cap (4) are electrically connected, and insulated handle end extend out to body (1) outside.
7. plug-in circuit protection device according to claim 5; it is characterized in that: the maximum cross-section area of described through hole is more than or equal to the maximum cross-section area of fuse (5); the maximum cross-section area of conduction link is greater than the maximum cross-section area of through hole, and the maximum cross section central point of described plug (8) link, through hole all overlaps on same perspective plane.
8. plug-in circuit protection device according to claim 4, is characterized in that: described upper cap (3) and lock pin correspondingly (10), lower cover cap (4) and lock pin correspondingly (10); Between lock pin (10) and blowout unit (7), upper cap (3) and lower cover cap (4) and fuse (5) lead-in wire, be and be spirally connected.
9. plug-in circuit protection device according to claim 1, is characterized in that: described body (1) is fixed with plug ring (9), and this plug encircles (9) and is arranged on a side relative with blowout unit (7).
10. plug-in circuit protection device according to claim 1, is characterized in that: the upper end that body (1) is axial and/or lower end are respectively equipped with capacitance-voltage-distributing type sensor interface (11).
CN201320518397.4U 2013-08-23 2013-08-23 Pluggable-type circuit protection device CN203415532U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320518397.4U CN203415532U (en) 2013-08-23 2013-08-23 Pluggable-type circuit protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320518397.4U CN203415532U (en) 2013-08-23 2013-08-23 Pluggable-type circuit protection device

Publications (1)

Publication Number Publication Date
CN203415532U true CN203415532U (en) 2014-01-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320518397.4U CN203415532U (en) 2013-08-23 2013-08-23 Pluggable-type circuit protection device

Country Status (1)

Country Link
CN (1) CN203415532U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103426701A (en) * 2013-08-23 2013-12-04 西安赛盈电气设备有限公司 Plug-in circuit protection device
CN105576546A (en) * 2015-12-28 2016-05-11 金盘电气集团(上海)有限公司 Solid insulation fuse cylinder device in gas insulated switchgear
CN106504961A (en) * 2016-12-28 2017-03-15 重庆优之唯电子科技有限公司 A kind of drawing automobile insurance that pulls up
CN106504959A (en) * 2016-12-28 2017-03-15 重庆优之唯电子科技有限公司 The automobile insurance that a kind of drawstring formula is removed
CN106504958A (en) * 2016-12-27 2017-03-15 重庆优之唯电子科技有限公司 A kind of convertible automobile insurance that extracts
CN106504960A (en) * 2016-12-27 2017-03-15 重庆优之唯电子科技有限公司 The automobile insurance that a kind of buckle-type is pulled up

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103426701A (en) * 2013-08-23 2013-12-04 西安赛盈电气设备有限公司 Plug-in circuit protection device
CN103426701B (en) * 2013-08-23 2017-03-01 西安赛盈电气设备有限公司 plug-in circuit protection device
CN105576546A (en) * 2015-12-28 2016-05-11 金盘电气集团(上海)有限公司 Solid insulation fuse cylinder device in gas insulated switchgear
CN106504958A (en) * 2016-12-27 2017-03-15 重庆优之唯电子科技有限公司 A kind of convertible automobile insurance that extracts
CN106504960A (en) * 2016-12-27 2017-03-15 重庆优之唯电子科技有限公司 The automobile insurance that a kind of buckle-type is pulled up
CN106504961A (en) * 2016-12-28 2017-03-15 重庆优之唯电子科技有限公司 A kind of drawing automobile insurance that pulls up
CN106504959A (en) * 2016-12-28 2017-03-15 重庆优之唯电子科技有限公司 The automobile insurance that a kind of drawstring formula is removed
CN106504959B (en) * 2016-12-28 2021-05-11 重庆创奥汽车零部件股份有限公司 Pull belt type safety device for automobile

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20160628

Address after: 710065 Shaanxi city of Xi'an province high tech Zone Road No. 88 Luxuries international 6 unit 1 building room 11309

Patentee after: Li Juan

Address before: 710000 Shaanxi city of Xi'an province high tech Zone Road No. 88 LuxeHome international 6 unit 1 building room 11309

Patentee before: Xi'an Sailing Electrical Equipment Co., Ltd.

C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Li Juan

Inventor before: Li Juan

Inventor before: Che Canghui

COR Change of bibliographic data
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140129

Termination date: 20160823

CF01 Termination of patent right due to non-payment of annual fee