CN108807107A - Fuse cutout and electrical equipment - Google Patents
Fuse cutout and electrical equipment Download PDFInfo
- Publication number
- CN108807107A CN108807107A CN201811025004.XA CN201811025004A CN108807107A CN 108807107 A CN108807107 A CN 108807107A CN 201811025004 A CN201811025004 A CN 201811025004A CN 108807107 A CN108807107 A CN 108807107A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- plug
- strip
- fuse cutout
- insulation column
- 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
Links
- 238000009413 insulation Methods 0.000 claims abstract description 88
- 230000003068 static effect Effects 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 19
- 210000003811 finger Anatomy 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 239000003677 Sheet moulding compound Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004932 little finger Anatomy 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/48—Protective devices wherein the fuse is carried or held directly by the base
- H01H85/485—Protective devices wherein the fuse is carried or held directly by the base the fuse being provided with bayonet-type locking means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/44—Structural association with a spark-gap arrester
Landscapes
- Fuses (AREA)
Abstract
The embodiment of the present invention provides fuse cutout, wherein the fuse cutout includes：Mounting base；Insulation column on the mounting base, the insulation column include the first insulation column and the second insulation column；The plug-in strip of one end and first insulation column pivot joint；Moving contact mounted on the one end of the plug-in strip far from first insulation column；The static contact coordinated with the moving contact on second insulation column；The decoupling device of one end of moving contact is provided with mounted on the plug-in strip；And the lightning arrester on the mounting base.
Description
Technical field
The present invention relates to electrical safety technical fields, in particular to a kind of fuse cutout and electrical equipment.
Background technology
Existing fuse cutout leads to the clip-type moving contact of the fuse cutout poor contact pine when closing a floodgate by repeatedly closing a floodgate
It is dynamic.In the prior art may be close by moving contact and static contact relative position, so that moving contact and the closer contact of static contact, but
Be may result in it is relatively difficult to the lock out operation of the static contact and moving contact.
Invention content
In view of this, the embodiment of the present invention is designed to provide a kind of fuse cutout and electrical equipment.
A kind of fuse cutout provided in an embodiment of the present invention, including：
Mounting base；
Insulation column on the mounting base, the insulation column include the first insulation column and the second insulation
Pillar；
The plug-in strip of one end and first insulation column pivot joint；
Moving contact mounted on the one end of the plug-in strip far from first insulation column；
The static contact coordinated with the moving contact on second insulation column；
The decoupling device of one end of moving contact is provided with mounted on the plug-in strip；And
Lightning arrester on the mounting base.
Optionally, the moving contact includes：
Two moving contact intermediate plates being oppositely arranged, the moving contact are equipped with lug boss, the lug boss and the static contact
Contact.
Moving contact can be made preferably to be contacted with static contact by the way that two moving contact intermediate plates are arranged, in addition, being set on moving contact
It is equipped with protrusion, also further improves contact effect of the static contact with moving contact.
Optionally, the moving contact intermediate plate includes：
First connecting portion；
The lug boss being connect with the first connecting portion；
The second connecting portion being connect with the one end of the lug boss far from the first connecting portion.
The moving contact intermediate plate, which is divided into three parts, can make moving contact intermediate plate form metastable structure, will be described
First connecting portion is arranged with the second connecting portion in the both sides of the lug boss.The lug boss can preferably with it is described quiet
Contact.
Optionally, the decoupling device is provided with handhold portion far from one end mounted on the plug-in strip, is arranged in the handhold portion
There is through-hole.
The handhold portion, which is arranged, so that related personnel is more easily operated plug-in strip, to realize the moving contact with
The separation of static contact and closure.
Optionally, the lightning arrester includes lightning-arrest pedestal and arrester；
One end of the lightning-arrest pedestal is connect with the edge of the mounting base；
The arrester is mounted on the other end of the lightning-arrest pedestal.
The safety of fuse cutout can be improved by adding arrester.
Optionally, the plug-in strip includes：
The two panels insulation board being oppositely arranged；
The two panels fuse piece being arranged on the outside of insulation board, wherein the length of the fuse piece；
Splitter between two panels insulation board is set, and an end thereof contacts wherein fuse piece for splitter, another end in contact is another
One fuse piece.
Fuse cutout uses double-arm plug-in strip, plug-in strip can be made firmer reliable, even if being broken one after being hit by object
Point, another part remains to continue promptly to use, and waits for be replaced when electricity consumption takes it easy, improves the validity of fuse cutout.
In addition, setting splitter can be such that electric current is uniformly walked to the fuse piece on both sides.
Optionally, the fuse cutout further includes：
Hook on first insulation column, the hook are connect with the plug-in strip.
Optionally, the hook includes：
The the first extension portion and the second extension portion being oppositely arranged；
Connect the middle part in second extension portion in first extension portion, first extension portion and the cooperation of second extension portion
It is connect with the plug-in strip.
The hook is arranged to three parts, the structure of the hook can be made more to stablize, the hook also can
Preferably support the plug-in strip.
Optionally, the fuse cutout further includes：
Carbon brush component on the plug-in strip.
Generate high current, generate electric arc when, carbon brush component can play the role of arc extinguishing, to realize protect fuse piece and its
The effect of its each component.
Second aspect, the embodiment of the present invention also provide a kind of electrical equipment, which includes above-mentioned fuse cutout.
Compared with prior art, the fuse cutout and electrical equipment of the embodiment of the present invention, by combining fuse cutout function
With decoupling device is yet further set on the fuse cutout of lightning function, therefore, even if setting moving contact and static contact is closer connects
It touches, by the way that related personnel's open or close moving contact and static contact can be facilitated under the action of decoupling device.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, special embodiment below, and appended by cooperation
Attached drawing is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of fuse cutout provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the mounting base of fuse cutout provided in an embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the moving contact of fuse cutout provided in an embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the decoupling device of fuse cutout provided in an embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the hook of fuse cutout provided in an embodiment of the present invention.
Fig. 6 is the structural schematic diagram of the hook of fuse cutout provided in an embodiment of the present invention.
Icon：100- mounting bases；The first mounting holes of 101-；The first mounting plates of 110-；The second mounting plates of 120-；121-
One；122- second；The second mounting holes of 123-；200- insulation columns；The first insulation columns of 210-；The insulation branch of 220- second
Column；300- plug-in strips；310- insulation boards；320- fuse pieces；330- splitters；410- takes shelter from the thunder pedestal；411- third mounting holes；420- is kept away
Thunder device；500- static contacts；600- decoupling devices；610- handhold portions；611- closed loop through-holes；612- open loop through-holes；620- mounting portions；700-
Moving contact；710- the first moving contact intermediate plates；711- first connecting portions；The first lug bosses of 712-；713- second connecting portions；720-
Two moving contact intermediate plates；721- third interconnecting pieces；The second lug bosses of 722-；The 4th interconnecting pieces of 723-；730- blind holes；740- protrusions
Face；750- Elastic Bolts；751- fixed parts；752- elastic portions；760- mounting holes；800- is linked up with；The first extensions of 810- portion；811-
One open loop hook；The second extensions of 820- portion；821- the second open loop hooks；830- middle parts；The installation positions 831-；900- carbon brush components.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In description of the invention, it should be noted that the orientation or position of the instructions such as term "upper", "lower", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings or orientation or position that when invention product use usually visits
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore cannot be construed to the present invention limitation.
In description of the invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " peace
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；Can be directly connected to, can also be to be indirectly connected with by intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the present invention.
Fig. 1 is the structural schematic diagram of fuse cutout provided in an embodiment of the present invention.As shown in Figure 1, the fuse cutout packet
It includes：Mounting base 100, insulation column 200, plug-in strip 300, moving contact 700, static contact 500, decoupling device 600 and lightning arrester.
Wherein, insulation column 200 is mounted on the mounting base 100, and insulation column 200 includes the first insulation column
210 and second insulation column 220.
One end of plug-in strip 300 is pivotally connected with first insulation column 210, and the other end of plug-in strip 300 connects moving contact 700.
Static contact 500 is mounted on second insulation column 220, and static contact 500 can coordinate with moving contact 700.Decoupling device 600 is installed
Plug-in strip 300 is provided with one end of moving contact 700.Lightning arrester is mounted on the mounting base 100.
In the present embodiment, the lightning arrester includes lightning-arrest pedestal 410 and arrester 420.
One end of lightning-arrest pedestal 410 is connect with the edge of the mounting base 100；The arrester 420 is mounted on described
The other end of lightning-arrest pedestal 410.
In the present embodiment, multiple lightning arresters can be set, three lightning arresters are shown in Fig. 4.A kind of enforceable
The quantity of mode, lightning arrester can be identical as the group number of the insulation column 200.
Further, fuse cutout can also include connecting plate (not shown), and connecting plate is mounted on lightning-arrest pedestal 410 and keeps away
Between thunder device 420.Connecting plate is connect with multiple lightning-arrest pedestals 410.
Further, as shown in Fig. 2, being provided with third mounting hole 411 on lightning-arrest pedestal 410, arrester 420 passes through third
Mounting hole 411 is installed together with lightning-arrest pedestal 410.
In the present embodiment, multigroup first mounting hole 101 is set on the mounting base 100.As shown in Fig. 2, each group
One mounting hole 101 can be used for installing two insulation columns 200, to provide the installation site of an insulation column 200.Pass through
Multigroup first mounting hole 101 is added, to increase position adjustability in installation, while being also applied for that various concrete electrics are installed
Bar.
In an example, two insulation columns 200 form one group.One group of insulation column 200 is mounted on one group of first peace
It fills at hole 101.Wherein, porcelain vase may be used in insulation column 200.
Wherein, insulation column 200 can be removably mounted at the first mounting hole 101.For example, insulation column 200 can
To be mounted at the first mounting hole 101 by fixing pieces such as screws.Further, it can come with and be used on insulation column 200
The fixing piece of installation, the fixing piece agree with the first mounting hole 101, and insulation column 200 may be implemented and be pacified by the fixing piece
Fill the installation of bottom plate 100.Of course, it will be appreciated that insulation column 200 can also it is other can implement by way of realize with
Mounting base 100 is removably installed.It, will when needing mobile fuse cutout by the way that insulation column 200 to be removably installed
Insulation column 200 is dismantled with mounting base 100, is moved easily or replaces fuse cutout.It is, for example, possible to use the bolts of MB × 20,
Insulation column 200 is mounted on mounting base 100, dismounting and change can also be carried out to insulation column 200.
Insulation column 200 be removably mounted on mounting base 100 facilitate insulation column 200 damage when, can be independent
Replace insulation column 200, it is not necessary to replace fuse cutout, to greatly improve the utilization rate of fuse cutout, be opened to save fusing
The cost of pass.
One group of insulation column 200 may be mounted on the mounting base 100, pass through any one group of first mounting hole 101
Installation, one group of insulation column 200 include two insulation columns 200.
As shown in Fig. 2, in the present embodiment, the mounting base 100 includes：For installing the insulation column 200
One mounting plate 110.Wherein, the first mounting hole 101 is arranged on the first mounting plate 110.Each insulation column 200 in the prior art
It is correspondingly arranged a mounting hole, the position of insulation column 200 is relatively fixed, each on mounting base 100 provided in this embodiment
Multigroup first mounting hole 101 is set on a first mounting plate 110.To adapt to the installation requirements of different insulation columns 200.
For example, an insulation column 200 may be mounted at the first mounting hole of the label shown in Fig. 2 of the first mounting plate 110
At first mounting hole 101 of 101 positions, then another paired insulation column 200 can install first mounting plate 110
One group of insulation column 200 is formed at first mounting hole 101 of other end pairing corresponding with the label location.
Further, each first mounting plate 110 may include the first plate, the second plate and third plate.Wherein first installation
Hole 101 can be arranged on the second plate.In an example, the first plate is vertically set on the side of the second plate, and third plate is vertical
It is arranged in the other side of the second plate.
Wherein, mounting base 100 includes multiple first mounting plates 110, and each first mounting plate 110 can be used for installing
One group of insulation column 200.In the present embodiment, it is provided with multigroup first mounting hole 101 on each first mounting plate 110, can make
One group of insulation column 200 may be mounted at any one group of the first mounting hole 101 of first mounting plate 110.
First mounting plate 110 shown in Fig. 3 is provided with two group of first mounting hole 101, and one group of insulation column 200 can be installed
In two group of first mounting hole 101 at any group of the first mounting hole 101, the installation position of one group of adjustment insulation column 200 can be made
It sets, to adapt to different installation requirements.It is, of course, understood that can also be arranged on each first mounting plate 110 more
The first mounting hole 101 of group, to realize more multipoint switching of insulation column 200.
In the present embodiment, the mounting base 100 includes：Multiple first mounting plates 110, each first mounting plate 110
For installing one group of insulation column 200 and a plug-in strip 300.
Include three the first mounting plates 110 on the mounting base 100, in three the first mounting plates 110 in the present embodiment
Each first mounting plate 110 forms three-phase knife switch 300 for installing one group of insulation column 200 and a plug-in strip 300.Fig. 3 institutes
In the example shown, there are three the first mounting plates 110 for setting on mounting base 100.
One group of insulation column 200 is set on each first mounting plate 110, forms a single-phase plug-in strip 300, it is shown in figure
Three-phase knife switch 300 can be formed in example, insulation column 200 is installed on bottom plate, form A, B, C phase plug-in strip 300, and each plug-in strip
300 have certain spacing.
In the present embodiment, lightning arrester includes lightning-arrest pedestal 410 and arrester 420.
One end of the lightning-arrest pedestal 410 is connect with the edge of the mounting base 100；The arrester 420 is mounted on
The other end of the lightning-arrest pedestal 410.
In the present embodiment, multiple lightning arresters can be set, three lightning arresters are shown in Fig. 4.The quantity of lightning arrester
Can be identical as the group number of insulation column 200, it can also be different.
As shown in Fig. 2, being additionally provided with the second mounting plate 120 for installing the lightning arrester on mounting base 100.
In the present embodiment, second mounting plate 120 includes first 121 connect with first mounting plate 110, and
Second 122 for installing the lightning arrester.
In the present embodiment, described first 121 122 L-shaped with described second.
Wherein, the vertical portion in " L " type is connect with the first mounting plate 110, and the transverse part in " L " type keeps away pedestal for installing.
By the way that the second mounting plate 120 is arranged to " L " type, fuse cutout taken up space bigger in the vertical direction is avoided.
In the present embodiment, multiple second mounting holes 123 are provided on second 122 of second mounting plate 120；It is described
Lightning arrester is mounted at any second mounting hole 123.
The installation site of lightning arrester can be effectively adjusted by the way that multiple second mounting holes 123 are arranged, difference can be met
The demand of scene.
Fig. 3 is the structural schematic diagram of moving contact 700 provided in an embodiment of the present invention.As shown in figure 3, moving contact 700 includes：
Two moving contact intermediate plates being oppositely arranged.
Two moving contact intermediate plates being oppositely arranged can be cooperated by bolt to be connected, in an example, Ke Yixuan
With the bolts of M8 × 55.
In the present embodiment, moving contact 700 is equipped with lug boss, and lug boss can contact with static contact 500 and (see Fig. 1).
Wherein metal alloy may be used in static contact 500, for example, copper alloy.
In the present embodiment, the first moving contact intermediate plate 710 includes：First connecting portion 711, the first lug boss 712 and second connect
Socket part 713.First lug boss 712 is arranged between first connecting portion 711 and second connecting portion 713.
In one embodiment, first connecting portion 711, the first lug boss 712 and second connecting portion 713 are welded to connect
Together.
In one embodiment, the first lug boss 712 can be " Fang " shape, and first connecting portion 711 and second connects
Portion 713 can be " Shu " font.First connecting portion 711 is connected to the open side of the top edge of the first lug boss 712, the second connection
Portion 713 is connected to the open side of the lower edge of the first lug boss 712.In another embodiment, the first lug boss 712 can be
Trapezoidal, first connecting portion 711 and second connecting portion 713 are connected to the both ends of trapezoidal bottom.In other embodiments, first
Lug boss 712 can also be other bulge-structures, for example, semicircle, minor arc shape etc..
In the present embodiment, the second moving contact intermediate plate 720 includes：Third interconnecting piece 721, the second lug boss 722 and the 4th connect
Socket part 723.Second lug boss 722 is arranged between third interconnecting piece 721 and the 4th interconnecting piece 723.
In the present embodiment, the second lug boss 722 is similar to the structure of the first lug boss 712, and it is convex can specifically to refer to first
Play the structure description in portion 712.The connection relation of third interconnecting piece 721 and the 4th interconnecting piece 723 and the second lug boss 722, with
One interconnecting piece 711 is similar to the connection relation of the first lug boss 712 to second connecting portion 713, can also specifically refer to first and connect
The description of socket part 711 and second connecting portion 713 and the connection relation of the first lug boss 712, details are not described herein.
Type bonding principle is carved according to mechanics, moving contact intermediate plate is arranged to raised arch to be contacted with static contact 500
More securely, it is lighter to operate fuse cutout combined floodgate by staff.
In the present embodiment, as shown in figure 3, lug boss is provided with blind hole 730, it is provided with relative to lug boss at blind hole 730
The crowning 740 of protrusion.In detail, the protrusion of the crowning 740 of the first moving contact intermediate plate 710 and the second moving contact intermediate plate 720
Face 740 is oppositely arranged.Further, the setting of crowning 740 of the first moving contact intermediate plate 710 is leaned in the first moving contact intermediate plate 710
The crowning 740 of the one side of nearly second moving contact intermediate plate 720, the second moving contact intermediate plate 720 is arranged in the second moving contact intermediate plate 720
Close to the one side of the first moving contact intermediate plate 710.
In the present embodiment, moving contact 700 can also include：Elastic Bolts 750 on 700 intermediate plate of moving contact, bullet
Property bolt 750 include fixed part 751 and elastic portion 752, on the outside of 700 intermediate plates of moving contact of elastic portion 752 installed therein one, Gu
Determine portion 751 and is mounted on another 700 outside of moving contact across two 700 intermediate plate one end of moving contact.
In the present embodiment, elastic portion 752 is set in the outer of fixed part 751, and it is dynamic that 752 one end of elastic portion is resisted against one of them
On the outside of 700 intermediate plate of contact, 752 one end of elastic portion is resisted against one end of fixed part 751, and the other end of fixed part 751 passes through two
700 intermediate plate one end of moving contact is resisted against is relatively distant from 700 intermediate plate of moving contact corresponding thereto in 700 intermediate plate of another moving contact
Outside.
Further, elastic portion 752 can be spring, fixing piece can be include the body of rod, the spiral shell at body of rod both ends is set
It is female.
It is provided with the through-hole passed through for the body of rod on first moving contact intermediate plate 710 and the second moving contact intermediate plate 720.Spring is arranged
On the body of rod of fixed part 751, spring one end is resisted against on one of nut, and the other end is resisted against the second moving contact intermediate plate
In 720 one sides far from the first moving contact intermediate plate 710；Nut of the fixed part 751 far from spring one end is resisted against the first moving contact
In one side of the intermediate plate 710 far from the second moving contact intermediate plate 720.
In the present embodiment, when fuse cutout is closed, static contact is clamped in the first moving contact intermediate plate 710 and the second moving contact presss from both sides
Between piece 720, the elastic portion 752 of Elastic Bolts 750 gives moving contact 700 intermediate plate, one elastic force, to enable moving contact 700
Static contact is tightly clamped.
In the present embodiment, moving contact 700 includes two Elastic Bolts 750, and two Elastic Bolts 750 are mounted on lug boss
Both sides.
In the present embodiment, 700 intermediate plate of moving contact is symmetrical structure.
In the present embodiment, moving contact 700 includes two Elastic Bolts 750, and two Elastic Bolts 750 are symmetrically mounted on protrusion
The both sides in portion.
Elastic Bolts 750 make arch copper intermediate plate contact fixation with static contact copper sheet, and the elastic force of spring is folded plus arch tension
Add the while of making fuse cutout close a floodgate solid and reliable that staff is allowed to carry out closing operation light.Operating personnel are not necessarily to excessive dynamics
Drawing fuse cutout more can be pulled open easily, close fuse cutout.
As shown in figure 4, the fuse cutout in the present embodiment can also include decoupling device 600.
In the present embodiment, decoupling device 600 is mounted on one end that plug-in strip 300 is provided with moving contact 700.
In the present embodiment, as shown in figure 4, decoupling device 600 is provided with handhold portion 610 far from one end mounted on plug-in strip 300.
In the present embodiment, referring to Fig. 4, decoupling device 600 includes mounting portion 620 and handhold portion 610, mounting portion 620 with
Plug-in strip 300 connects, and it is in T-shape that mounting portion 620 is combined with handhold portion 610.
In the present embodiment, through-hole is provided in handhold portion 610.
In one embodiment, handhold portion 610 may be provided with three through-holes.In a usage scenario, three through-holes
For user, nameless, middle finger and index finger pass through respectively, and user can be by three finger stress to realize closure or separation moving contact
700 and static contact 500.
In another embodiment, handhold portion 610 may be provided with two through-holes.In a usage scenario, two logical
Hole is passed through for user's middle finger and index finger respectively, and user can be by two finger stress to realize closure or separation 700 He of moving contact
Static contact 500.
In another embodiment, handhold portion 610 may be provided with four through-holes.In a usage scenario, four through-holes
It is passed through respectively for user's little finger of toe, nameless middle finger and index finger, user can be by four finger stress to realize that closure or separation are dynamic
Contact 700 and static contact 500.
In the present embodiment, as shown in figure 4, at least two through-holes are arranged in handhold portion 610, including closed loop through-hole 611
With open loop through-hole 612.
In the present embodiment, open loop through-hole 612 is arranged at the edge of handhold portion 610.
Further, at least one hole is set on mounting portion 620.One fixing piece passes through one of on moving contact intermediate plate
Mounting hole 760 (please referring to Fig.1), the hole of mounting portion 620 and mounting hole 760 on another moving contact intermediate plate are to realize decoupling device
600 are mounted between two moving contact intermediate plates.
In the present embodiment, hook 800 is mounted on the first insulation column 210, and hook 800 is connect with plug-in strip 300.
In the present embodiment, as shown in figure 5, hook 800 includes：The the first extension portion 810 and the second extension portion 820 being oppositely arranged；
Connect the middle part 830 in the second extension portion 820 in the first extension portion 810, the first extension portion 810 and the cooperation of the second extension portion 820 and plug-in strip 300
Connection.
In one embodiment, the first extension portion 810 and the second extension portion 820 can make platy structure, the first extension portion 810 and
Two extension portions 820 can be mutually parallel.Further, middle part 830 can also be platy structure, and middle part 830 can be with first
Extension portion 810 and the second extension portion 820 are vertical.
In the present embodiment, first one end of extension portion 810 far from middle part 830 is provided with the first open loop hook 811, the second extension portion
820 one end far from middle part 830 are provided with the second open loop hook 821, the first open loop hook 811 and the second open loop hook 821 and plug-in strip
Plug-in strip 300 is caught in 300 cooperations.
In the present embodiment, the openings of sizes of the first open loop hook 811 and the second open loop hook 821 is less than the ring of open loop hook-forming
A quarter.
Further, the opening down obliquely downward of the first open loop hook 811 and the second open loop hook 821.Further, obliquely downward
Indicate the direction towards the second insulation column 220 when hook is installation condition.
In the present embodiment, mounting plate can also be installed on the first insulation column 210 and (see Fig. 1, do not marked in Fig. 1
Number), 800 installation of hook is on a mounting board.
Further, as shown in figure 3, being provided with installation position 831 on the middle part 830 of hook 800.Installation condition can be
Fixing piece passes through installation position 831 and mounting plate to realize 800 installation of hook on a mounting board.
In the present embodiment, such as Fig. 1 or 2 water, the both ends of plug-in strip 300 are respectively connected with moving contact 700, hook 800 by with lock
Knife 300 is connect with realizing with plug-in strip 300 close to 700 hanging buckle of the moving contact connection of 800 one end of hook.
In the present embodiment, fuse cutout includes：Bolt (the non-label of figure) is connected, connection bolt passes through hook 800 and plug-in strip
Moving contact 700 close to hook one end, the moving contact 700 by hook 800 with plug-in strip 300 close to 800 one end of hook are connect, from
And it realizes and is connect with plug-in strip 300.
In the present embodiment, consider that plug-in strip 300 may be easy to cause local damage in some cases, therefore plug-in strip can be set
Two parts are set to, another part can also be used to keep the flowing of electric current after part damage.
Specifically, as shown in fig. 6, plug-in strip 300 may include：The two panels insulation board 310 being oppositely arranged；It is arranged in insulation board
The two panels fuse piece 320 in 310 outsides, wherein the length of the fuse piece 320；Splitter between two panels insulation board 310 is set
330, an end thereof contacts wherein fuse piece 320 for splitter 330, another fuse piece of another end in contact 320.
SMC (Sheet molding compound) insulation board may be used in insulation board 310, has higher machinery strong
Degree, anti-flammability, resistance to leakage property；Resistance to electric arc, dielectric strength and proof voltage are high, more preferably replace the porcelain in HR20 types in the prior art
Item improves the performance of plug-in strip 300.
Fuse piece 320 can be different according to different transformer rated current, select the fuse piece 320 of different size, prevent big
Rush of current electrical equipment, plays a protective role to electrical equipment.
Wherein, splitter 330 can form, respectively, first part and second part by two parts.First part and
Second part connects shape in an angle.One end of first part connects second part, the wherein a piece of fuse piece of another end in contact
320；Second part connects another fuse piece 320.Electric current is divided to two panels fuse piece by two parts.Further, first
It point can be with the identical platy structure of shape with second part.The top that first part connects the angle to be formed with second part can be with
Towards 310 one end of the first insulation column.
Referring to Fig. 1, fuse cutout can also include：Carbon brush component 900 on plug-in strip 300.
When splitting or integrating lock, when generating high current generation electric arc, carbon brush component 900 plays the role of arc extinguishing, protects fuse piece 320
And each parts.
It is possible to further install multiple carbon brush components 900 on plug-in strip 300.
Following advantageous effect may be implemented in fuse cutout provided in this embodiment：1, pass through decoupling device personnel's drawing easy to operation
The Push And Release of fuse cutout, it is apparent judge low pressure fusing whether in-place closing.2, by the way that plug-in strip 300 is arranged to two parts,
It is not easy to cause to have a power failure because porcelain vase item is broken by the way that the component that two high-strength insulating plates 310 and fuse piece 320 form is arranged.3, it melts
Disconnection pass is contacted using arch clip-type moving contact with copper sheet more secured.When 4, generating fuse wire situation, only need to change single-phase
Fuse cutout arch detachable type clip-type is dynamic to touch operation soon and facility.5, than the fuse cutouts such as old-fashioned HR20 types (low pressure switch with knifeshaped fuse)
Lighter, convenient staff transmits and installation.6, convenient in transport, installation using handling property insulation column 200
In the process, be impacted breakage in running, convenient replacement, avoids damaged a part of parts, causes to replace a whole set of fuse cutout.
7,0.4kV arresters 420 can be installed, avoid transformer fault and lightning stroke etc. that high current is caused to cause the impact of metering device
Damage.8, high financial profit does not need a whole set of replacement, it is only necessary to more when damaging single-phase fuse cutout detachable type clip-type moving contact
It changes single-phase, greatlys save damage replacement cost.
The application also provides a kind of electrical equipment, and the electrical equipment in the present embodiment includes fuse cutout.
Fuse cutout in the present embodiment is similar to the fuse cutout in previous embodiment, can specifically refer to previous implementation
Description in example, details are not described herein.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of fuse cutout, which is characterized in that including：
Mounting base；
Insulation column on the mounting base, the insulation column include the first insulation column and the second insulation branch
Column；
The plug-in strip of one end and first insulation column pivot joint；
Moving contact mounted on the one end of the plug-in strip far from first insulation column；
The static contact coordinated with the moving contact on second insulation column；
The decoupling device of one end of moving contact is provided with mounted on the plug-in strip；And
Lightning arrester on the mounting base.
2. fuse cutout as described in claim 1, which is characterized in that the moving contact includes：
Two moving contact intermediate plates being oppositely arranged, the moving contact are equipped with lug boss, and the lug boss is contacted with the static contact.
3. fuse cutout as claimed in claim 2, which is characterized in that the moving contact intermediate plate includes：
First connecting portion；
The lug boss being connect with the first connecting portion；
The second connecting portion being connect with the one end of the lug boss far from the first connecting portion.
4. fuse cutout as described in claim 1, which is characterized in that the decoupling device is set far from one end mounted on the plug-in strip
It is equipped with handhold portion, through-hole is provided in the handhold portion.
5. fuse cutout as described in claim 1, which is characterized in that the lightning arrester includes lightning-arrest pedestal and arrester；
One end of the lightning-arrest pedestal is connect with the edge of the mounting base；
The arrester is mounted on the other end of the lightning-arrest pedestal.
6. fuse cutout as described in claim 1, which is characterized in that the plug-in strip includes：
The two panels insulation board being oppositely arranged；
The two panels fuse piece being arranged on the outside of insulation board, wherein the length of the fuse piece；
Splitter between two panels insulation board is set, and an end thereof contacts wherein fuse piece for splitter, another end in contact is another to be melted
Piece.
7. fuse cutout as described in claim 1, which is characterized in that the fuse cutout further includes：
Hook on first insulation column, the hook are connect with the plug-in strip.
8. fuse cutout as claimed in claim 7, which is characterized in that the hook includes：
The the first extension portion and the second extension portion being oppositely arranged；
Connect the middle part in second extension portion in first extension portion, first extension portion and the cooperation of second extension portion and institute
State plug-in strip connection.
9. fuse cutout as described in claim 1, which is characterized in that the fuse cutout further includes：
Carbon brush component on the plug-in strip.
10. a kind of electrical equipment, which is characterized in that the electrical equipment includes that fusing described in any one of claim 1-9 is opened
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025004.XA CN108807107B (en) | 2018-09-04 | 2018-09-04 | Fuse switch and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025004.XA CN108807107B (en) | 2018-09-04 | 2018-09-04 | Fuse switch and electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108807107A true CN108807107A (en) | 2018-11-13 |
| CN108807107B CN108807107B (en) | 2024-01-09 |
Family
ID=64082016
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811025004.XA Active CN108807107B (en) | 2018-09-04 | 2018-09-04 | Fuse switch and electrical equipment |
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| Country | Link |
|---|---|
| CN (1) | CN108807107B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108807107B (en) | 2024-01-09 |
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