CN1095184A - Switch with fuse - Google Patents

Switch with fuse Download PDF

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Publication number
CN1095184A
CN1095184A CN94102632A CN94102632A CN1095184A CN 1095184 A CN1095184 A CN 1095184A CN 94102632 A CN94102632 A CN 94102632A CN 94102632 A CN94102632 A CN 94102632A CN 1095184 A CN1095184 A CN 1095184A
Authority
CN
China
Prior art keywords
fuse
mains side
clip
side clip
switch
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN94102632A
Other languages
Chinese (zh)
Other versions
CN1041142C (en
Inventor
重左宪男
谷水彻
和泉贞夫
平野雅胜
尾坂章
竹松耕太郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Electrical System Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Electrical System Co Ltd
Hitachi Ltd
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 Hitachi Electrical System Co Ltd, Hitachi Ltd filed Critical Hitachi Electrical System Co Ltd
Publication of CN1095184A publication Critical patent/CN1095184A/en
Application granted granted Critical
Publication of CN1041142C publication Critical patent/CN1041142C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/22Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/20Bases for supporting the fuse; Separate parts thereof
    • H01H85/2045Mounting means or insulating parts of the base, e.g. covers, casings

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  • Fuses (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

The present invention relates to have the switch of fuse.Purpose of the present invention is to provide the easy-on of miniaturization to have the switch of fuse.Switch with fuse of the present invention leans on the mains side clip to connect the middle interconnecting piece branch between mains side clip and load-side clip from the rotation shaft side of operation strip, and place insulation board between mains side fixed contact and mains side clip.The result, can about laterally load switch and fuse, fit together, can make 3 phases of plane and miniaturization or the load switch with fuse of each phase, owing to can install from the front of seeing easily, so be easy to install, have the advantage that to understand installment state at once simultaneously.

Description

Switch with fuse
The present invention relates to have the switch of fuse.
Usually being subjected to electricity is to be connected with many distribution wires with circuit breaker in load-side.Distribution wire when load capacity is big, though can give electricity to load (motor, or transformer etc.) via circuit breaker, but in load capacity hour, will replace circuit breaker and use load switch with fuse.Load switch with fuse is that the fuse by load switch and load-side is constituted; when load have overcurrent or short circuit current by the time, the fuse cut-out overcurrent that will fuse, and load switch will be opened during blown fuse; mains side and load-side are isolated the protection load.
Load switch, be action bars when rotating operation strip will rotate, contact with fixed contact in the explosion chamber or separate, and on electric, open or close.Load side terminal in operation strip is equipped with fuse simultaneously.Known example as load switch with fuse, in the real disclosed downside configuration operation strip of clear 63-38243 communique of opening at fuse, it is disclosed to open clear 60-115447 communique strictly according to the facts, in the dorsal part of paper configuration operation strip, at the face side configuration fuse of paper etc.
Load switch with fuse, though have above-mentioned functions, but longitudinal direction can become big in previous known example, in a back known example, can produce the shortcoming of fore-and-aft direction thickening etc., the result, the load switch that not only has fuse can maximize, and when being configured to distribution panelboard, and collocation point is with restricted and be not easy to install.
Purpose of the present invention is to provide the energy miniaturization and is easy to be installed in the interior plane load switch with fuse of configuration plate.
Load switch with fuse of the present invention is from the load driving pin side of operation strip intermediate connecting part to be connected between mains side clip and the load-side clip by mains side clip side, and between power supply side terminal and mains side clip insulation board is set.
As a result, can load switch and fuse be configured in laterally make plane miniaturization 3 mutually or the switch with fuse of each phase, make to be easy to be installed on the distribution panelboard.
Fig. 1 is the load switch with fuse of one embodiment of the present of invention front view when the front is seen.
Fig. 2 is the figure of Fig. 1 when the top is seen.
Fig. 3 is the figure of Fig. 1 when downside is seen.
Fig. 4 is the oblique view of the operating mechanism part of Fig. 1.
Fig. 5 is the right side view of Fig. 1.
Fig. 6 is the side cross-sectional view from the A-A line of Fig. 1.
Fig. 7 is the side cross-sectional view from the B-B line of Fig. 1.
Fig. 8 is the side cross-sectional view from the B-B line of Fig. 1.
Fig. 9 is the side cross-sectional view from the B-B line of Fig. 1.
Figure 10 is the side cross-sectional view of the B-B line of Fig. 1.
Below, according to Fig. 1 to Fig. 9 embodiments of the invention are described.Fig. 1 is for being installed in 3 load switches that have fuse mutually the front view on the distribution panelboard.Fig. 2 and Fig. 3 figure for seeing from the upside of Fig. 1 and bottom surface and downside respectively, Fig. 4 is for showing load switch and protecting the figure of the relation of removing silk.Fig. 6 to Figure 10 is the figure in A-A and B-B line cross section among Fig. 1 of operation of load switch.
Among Fig. 13 has the load switch of fuse mutually, is supported in respectively on the support plate 1 that independently insulate.Insulation support plate 1 is equipped with installation component 1A overleaf, and each is equipped with 4 phase insulating boards 2 mutually on the surface.Installation component 1A, the load switch that will have fuse is supported in the distribution panelboard internal face with the bolt installation.On the insulation support plate 1 of 2 of each phase insulating boards, be provided with mains side insulation board 3 and load insulation board 4.On insulation support plate 1 about mains side insulation board 3 and load-side insulation board 4, dispose load switch 5 and fuse 6.
Load switch 5 is made up of mains side fixed contact 7 and operation strip 8 free to rotate.Mains side permanent joint 7 is configured in the explosion chamber.Power supply side terminal 10 is connected with fixed contact 7, is supported on the insulation support plate 11.One end of explosion chamber 9 is supported on the support member 9A of explosion chamber set between phase insulating board 2 and the mains side insulation board 3.Extend and form opening up to the rotation direction of operation strip 8 explosion chamber 9.9 are attached with the power supply side terminal 10 that is connected with fixed contact 7 in the explosion chamber.
The arc contact of operation strip 8 front ends of inverted V-shape shape will contact with mains side fixed contact 7 or disconnect.The other end of operation strip 8 is attached on the drive link 11A via drive pin 11, and the other end of drive link 11A is attached on the drive rod 21 of operating mechanism parts 20 via rotating shaft 11B.Therefore, corresponding to the rotation of the insulation driving shaft 23 of operating mechanism parts 20, when drive rod 21 and drive link 11A rotated, operation strip 8 will be with fixed axis 11 as fulcrum, contacted with fixed contact 7 or disconnected.
The mains side clip 13 that is electrically connected with drive pin 11B, become with horizontal component 13B by vertical part 13A, vertically the end of part 13A is by the electric communication of drive pin 11B, the other end forms the horizontal component 13B to the bending of fuse configuration direction simultaneously, and the mains side clip 13 that the other end of horizontal component 13B links extends upward.In abutting connection with the mains side clip 13 of mains side fixed contact 7 and explosion chamber 9, dispose load-side clip 14 at the downside of mains side clip 13.Load-side clip 14 is supported on the insulation support plate 1.Therefore, fuse 6 can be installed between mains side clip 13 and the load-side clip 14 with freely dismantling.
Be located at the height of the mains side insulation board 3 of the mains side between load switch 5 and the fuse 6, be connected to mains side clip 13 when the electric arc that operation strip 8 produces when fixed contact 7 draws back as long as can prevent.Load-side insulation board 4 be enclosed in fuse 6 and about phase insulating board 2 between and from right-hand phase insulating board 2 to load-side clip 14, and extend to the part of load side terminal 15, its height will reach and can prevent that electric arc from flying to the surface distance of load-side clip side from mains side clip side.Load side terminal 15 is connected with load-side clip 14.
So, according to of the present invention 3 switches that have fuse mutually,
(1). because from the vertical part 13A of rotating shaft 11B side handle, horizontal component 13B is connected to than vertical centre of fuse 6 and more leans on mains side clip 13, dispose load switch 5 in abutting connection with fuse 6, the electric arc that operation strip 8 is produced when mains side fixed contact 7 is opened prevents with mains side insulation board 3 simultaneously, preventing that electric arc is applied on the mains side clip 13, so can be configured to horizontal plane 3 to load switch 5 and fuse 6 mutually or the switch with fuse of each phase.
Therefore, when the 3 plane switches that have fuse mutually for example were installed to distribution panelboard, 3 thickness that have the switch of fuse mutually can not increase yet, and made the installation in mounting points become easy.Simultaneously, load switch 5 and fuse 6 not only see about mains side insulation board 3 is configured in easily, and can install from the front, so have easy installation, can understand the advantage of installment state simultaneously at once.
(2) when blown fuse, voltage is applied to mains side clip 13 via load switch 5, when electric arc from mains side clip 13 during, because electric arc can stop by load-side insulation board 4, so load-side is safe to load-side clip 14 discharge.
(3) phase insulating board 2 is formed with concave portion 17 and jut 18 in upper surface and lower surface.Jut 18 is configured among the accepting groove 18A set on the insulation support plate 1.Owing to jut 18 can be embedded into concave portion 17, can pile up transportation to heterogeneous or single-phase load switch 5 with fuse, not only conevying efficiency height, and overlapping a plurality of load switches with fuse needs only 1 time packing, so pack easily.
(4) be inserted in fuse 6 between two clips, in insulating cylinder, dispose electrical fuse element, when electrical fuse element fuses, the insurance screw mandrel will be by the spring and jump to the outside from insulating cylinder for example of the elastic component in the insulating cylinder, operating mechanism parts 20 are cut-off, the arc contact of operation strip 8 separates with mains side fixed contact 7 and during electric cut-out, will be plane because of fuse switch also, so see easily.
Then, operating mechanism parts 20 run through the through hole 23A that is located at phase insulating board 2, as constitute followingly.
That is, be located at the action bars 22 in phase insulating board 2 outsides of a side, will rotate with clockwise or counter-clockwise direction, and be fixed on insulation driving shaft 23.Insulation driving shaft 23 is inserted in through hole 23A, and is fixed with drive rod 21 and drive link 11A at insulation driving shaft 23.Drive link 11A is made of conductive member.Because the other end of drive link 11A and operation strip 8 is for being supported in freely to rotate on the fixed axis 11, so operation strip 8 will be rotated as fulcrum with fixed axis 11.
Therefore, in the time of will putting into mains side fixed contact 7 to operation strip 8, when action bars 22 is for example rotated in a clockwise direction, insulation driving shaft 23 and drive link 11A and drive rod 21 will be to equidirectional rotations, operation strip 8 will be that counter-clockwise direction is rotated as fulcrum to arrow direction X1 with fixed axis 11, and the arc contact of operation strip 8 will be put into fixed contact 7.
At this moment, be located at the some of insulation support plate and the cut-out spring 25 of operation strip 8, the elongation store energy that will be elongated operation strip 8 in rotation, this storage power will be inserted in action bars 22 recesses 26 state of the protuberance 28 that keeps hook 27, keep storage power and input state.Simultaneously, an end that draws back bar 29 draws back the other end of bar 29 simultaneously and via drawing back axle the trigger pin (striker pin) 30 of fuse 4 is gently pressed via drawing back axle the downward side direction pushing of an end that draws back bar 29.
For the tripping switch, action bars 22 anti-clockwise directions are rotated, and when removing the engaging of the recess 26 of action bars 22 and the protuberance 28 that keeps hook 27, operation strip 8 will be rotated to arrow X2 direction, the arc contact of operation strip 8 will separate with fixed contact 7, and electric going up cut off.
In the present embodiment, the electric current of operation strip 8 flows to fuse 6 by drive link 11A and drive pin 11B, the part of operating mechanism parts 20 as current path, so can not only shorten current path, and fixed axis 11 is located at mains side fixed contact 7 sides of leaving insulation driving shaft 23, so this part, operation strip 8 will shorten, and can reduce the rotatory force of operation strip 8, thereby can dwindle the load switch with fuse.At the alternate dead ring 31 that is provided with of insulation driving shaft 23, dwindle the width of edge driving shaft 23.
According to the present invention, since the middle interconnecting piece branch be connected operation strip between rotation shaft side mains side clip and the load clip by the mains side clip, between mains side fixed contact and mains side clip, insulation board is set, load switch and fuse be configured in insulation board about, so can make plane load switch with fuse, since can install from the front of seeing easily, thus not only install easily, and have the advantage that can understand the installation situation immediately.

Claims (10)

1, a kind of switch with fuse, mainly comprise the insulation support plate, releasably be installed in the mains side clip and the load-side clip of the fuse of insulation support plate, the rotating shaft that connects of the mains side clip of clip adjacency therewith, with the operation strip that contacts or disconnect as fulcrum and mains side fixed contact with rotating shaft, it is characterized in that, the middle interconnecting piece branch is connected close mains side clip between mains side clip and the load-side clip from above-mentioned rotating shaft, and between mains side fixed contact and mains side clip, insulation board is set.
2, a kind of switch with fuse, mainly comprise the insulation support plate, releasably be installed in the mains side clip and the load-side clip of the fuse of insulation support plate, the rotating shaft that connects of the mains side clip of clip adjacency therewith, with the operation strip that contacts or disconnect as fulcrum and mains side fixed contact with rotating shaft, it is characterized in that, comprise the operation strip that contacts or disconnect as fulcrum and mains side fixed contact with above-mentioned rotating shaft, the middle interconnecting piece branch is connected between mains side clip and the load-side clip near the mains side clip from above-mentioned rotating shaft, and insulation board is set between power supply side terminal and mains side clip, at the load-side clip corresponding the load-side insulation board of prevention from the electric arc of mains side clip side is set nearby with above-mentioned mains side clip.
3, a kind of switch with fuse, mainly comprise the insulation support plate, releasably be installed in the mains side clip and the load-side clip of the fuse of insulation support plate, the rotating shaft that connects of the mains side clip of clip adjacency therewith, with the operation strip that contacts or disconnect as fulcrum and mains side fixed contact with rotating shaft, it is characterized in that, comprise the operation strip that contacts or disconnect as fulcrum and mains side fixed contact with above-mentioned rotating shaft, the middle interconnecting piece branch is connected between mains side clip and the load-side clip by the mains side clip from above-mentioned rotation shaft side, and between power supply side terminal and mains side clip, insulation board is set
With an end with the operating mechanism parts of above-mentioned rotating shaft as the rotation operation strip of fulcrum,
Comprise action bars, be supported in the insulation driving shaft of the insulation board that rotates according to the rotation of action bars, with be supported in the insulation driving shaft the insulation driving shaft with equidirectional rotation, the drive link of rotating via the fixing operation strip of drive pin, with operation strip to close direction when rotating the cut-out spring of store energy and the hook that will keep with the action bars engaging that keeps storage power.
4, as any one described switch in the claim 1 to 3, wherein, fuse is configured on mains side clip and the load-side clip with fuse.
5, as any one described switch with fuse in the claim 1 to 3, wherein, fuse is configured on mains side clip and the load-side clip, the trigger pin of fuse is installed in mains side.
6, the switch with fuse as claimed in claim 3, wherein, the action bars of operating mechanism parts that switch is opened and closed and operating mechanism parts closes and the on-state of maintained switch with keeping dogging, trigger pin is jumped out when blown fuse, makes fuze cut off bar and rotates and disconnect.
7, the switch with fuse as claimed in claim 3 wherein, the part of the operating mechanism of switch, is connected the power supply side terminal of fuse, make it and the driving shaft that insulate with equidirectional rotation.
8, the switch with fuse as claimed in claim 3 wherein, is being provided with support operation strip and drive link near the insulation driving shaft.
9, the switch with fuse as claimed in claim 3, wherein, the insulation driving shaft is at the alternate dead ring that is provided with.
10, the switch with fuse as claimed in claim 3, wherein, fuse trigger pin in mains side configuration and the engaging of cut-out bar, action bars and maintenance hook will engage and the on-state of maintained switch, above-mentioned trigger pin is jumped out during blown fuse, the cut-out bar of fuse is rotated and disconnects.
CN94102632A 1993-03-08 1994-03-04 Switch with fuse Expired - Fee Related CN1041142C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5046248A JPH06260077A (en) 1993-03-08 1993-03-08 Switch with fuse
JP46248/93 1993-03-08

Publications (2)

Publication Number Publication Date
CN1095184A true CN1095184A (en) 1994-11-16
CN1041142C CN1041142C (en) 1998-12-09

Family

ID=12741860

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94102632A Expired - Fee Related CN1041142C (en) 1993-03-08 1994-03-04 Switch with fuse

Country Status (4)

Country Link
JP (1) JPH06260077A (en)
KR (1) KR100327727B1 (en)
CN (1) CN1041142C (en)
TW (1) TW232074B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113507018A (en) * 2021-09-13 2021-10-15 南通众鼎顺电气有限公司 Switch socket panel with function of conveniently replacing fuse and method thereof

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102329B1 (en) * 1997-02-06 1998-11-13 Abb Transmit Oy Switch to disconnect an electrical appliance from an electrical mains
US6650222B2 (en) * 2000-12-07 2003-11-18 Cooper Technologies Company Modular fuseholder
KR100451771B1 (en) * 2002-07-22 2004-10-08 엘지산전 주식회사 contacting device for load brake switch
KR101830268B1 (en) * 2015-12-24 2018-02-20 (주)온광 Switchgear unit having built-in electrical fuse
JP7123023B2 (en) * 2019-10-17 2022-08-22 三菱電機株式会社 Isolation barriers and switchgear

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60115447A (en) * 1983-11-28 1985-06-21 Fujitsu Ltd Stamping apparatus
JPS6338243A (en) * 1986-08-01 1988-02-18 Seiko Epson Corp Semiconductor device
JPS6338243U (en) * 1986-08-28 1988-03-11
CN2112200U (en) * 1992-01-24 1992-08-05 杨久田 Fuse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113507018A (en) * 2021-09-13 2021-10-15 南通众鼎顺电气有限公司 Switch socket panel with function of conveniently replacing fuse and method thereof

Also Published As

Publication number Publication date
CN1041142C (en) 1998-12-09
KR940022618A (en) 1994-10-21
TW232074B (en) 1994-10-11
KR100327727B1 (en) 2002-10-31
JPH06260077A (en) 1994-09-16

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