CN109300746A - The terminal cover of breaker - Google Patents
The terminal cover of breaker Download PDFInfo
- Publication number
- CN109300746A CN109300746A CN201811276617.0A CN201811276617A CN109300746A CN 109300746 A CN109300746 A CN 109300746A CN 201811276617 A CN201811276617 A CN 201811276617A CN 109300746 A CN109300746 A CN 109300746A
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- China
- Prior art keywords
- terminal cover
- cover
- breaker
- boss
- insulation board
- Prior art date
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- 238000009413 insulation Methods 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims description 15
- 238000010791 quenching Methods 0.000 claims description 11
- 230000000171 quenching effect Effects 0.000 claims description 11
- 238000010891 electric arc Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Breakers (AREA)
Abstract
The present invention provides a kind of terminal cover of breaker, including the front terminal cover and rear terminal cover that can be interlocked, it is equipped with insulation board between the front terminal cover and the rear terminal cover, the multiple through holes passed through for connection busbar are formed between the insulation board and the rear terminal cover.The terminal cover of breaker of the invention can improve the insulation performance between external connection busbar, while it is free further can also disappear to electric arc, to enhance the insulation performance of connection busbar.
Description
Technical field
The present invention relates to breaker technical field more particularly to a kind of terminal covers of breaker.
Background technique
Important accessory when terminal cover is breaker of plastic casing external connection, is generally made by insulating materials, to electric arc
Disappear free, enhances the class of insulation of breaker.The structure of terminal cover determines its degree of protection and installation complexity, institute
With the improvement for its structure and it is optimized to for the research emphasis of each associated companies.
Currently, the terminal cover structure installed on disclosed breaker in the market mainly include the following types:
A kind of terminal cover 10 suitable for wiring before plate, as shown in figure 12, suitable for the external of breaker connecting terminal
Isolation, will directly can cover at entire connecting terminal, although degree of protection is high, be only applicable to before plate that wiring is this single to be connect
Line mode；
Second is that being directed on breaker has the terminal cover 10' of line bank, as shown in figure 13, to needs on terminal cover 10'
The space of holding connector bank is changed to the structure that can be removed, i.e., without retaining this mechanism when installing, when installation can remove at any time, this
Structure has stronger flexibility, but it is outer that connecting terminal can be made to be exposed to, and degree of protection is caused to decline, while increasing installation behaviour
The difficulty of work.
Third is that directly reserving the installation site of line bank in the upper surface of terminal cover 10 ", as shown in figure 14, the mechanism is simple
And achieve the purpose that be easily installed, but terminal is completely exposed, degree of protection degradation.
Three of the above terminal cover must arrange in pairs or groups according to corresponding mounting means, and not only the scope of application is limited to, furthermore right
Dissociate in the electricity that breaker occurs during the work time and do not make certain protection, ignoring breaker dielectric strength, this is important
Parameter.
Currently, paying attention to the convenience and only of assembly improvement of the terminal cover for displaying out in the market in structure more
In view of insulation between phase and phase, the breakdown that having ignored free gas may cause external major loop connection busbar endangers,
It is slightly insufficient to the research aspect of breaker integral insulation intensity.
Summary of the invention
The object of the present invention is to provide a kind of terminal covers of breaker, can improve the insulation performance between external connection busbar,
To enhance the insulation performance of breaker.
Following technical proposal can be used to realize in above-mentioned purpose of the invention:
The present invention provides a kind of terminal covers of breaker, described including the front terminal cover and rear terminal cover that can be interlocked
It is equipped with insulation board between front terminal cover and the rear terminal cover, is formed between the insulation board and the rear terminal cover for connection
Multiple through holes that busbar passes through.
In embodiments of the present invention, the insulation board is arranged on the rear terminal cover, and is formed as the multiple
The side wall of through hole；The side of front terminal cover towards the insulation board is formed with the open end of the front terminal cover.
In embodiments of the present invention, the insulation board is arranged on the front terminal cover, and is formed as the front end
The side wall of son cover；The side of rear terminal cover towards the insulation board is formed with multiple open ends of the multiple through hole.
In embodiments of the present invention, it is equipped at intervals with multiple partitions in the front terminal cover, is all provided on each partition
There are multiple stomatas；The front terminal, which is provide with, sets at the gas outlet of the arc quenching system of breaker, and the multiple partition is described in
The gas outlet direction interval of arc quenching system is arranged.
In embodiments of the present invention,
The front terminal cover has front outer cover body and is arranged at least one intracorporal first boss of the front outer cover, institute
State cover chamber before front outer cover body is separated at least two by least one described first boss；
The rear terminal cover has rear outer outlet body and setting at least one intracorporal second boss of outer cover, institute after described
State cover chamber after rear outer outlet body is separated at least two by least one described second boss；
Wherein, in the state that the front terminal cover and the rear terminal cover are interlocked, the preceding cover chamber and the back cover
Chamber is oppositely arranged；Before the insulation board is folded in described at least two after cover chamber and described at least two between cover chamber.
In embodiments of the present invention, buckle structure, institute are equipped between the first boss and the second boss
Stating buckle structure includes the buckle fin and buckle slot being mutually clamped, and the buckle fin is arranged in the second boss, institute
Buckle slot is stated to be arranged in the first boss；Alternatively, the buckle fin is arranged in the first boss, the buckle slot
It is arranged in the second boss.
In embodiments of the present invention, the buckle structure further includes the location hole and positioning column being mutually inserted, described
Positioning column is arranged on the buckle fin, and the location hole is arranged in the snap-in groove.
In embodiments of the present invention, the insulation board is equipped with can separate from the insulation board multiple first and strikes
Fall plate.
In embodiments of the present invention, the front terminal cover is equipped with can separate from the front terminal cover multiple the
Two off-knocking plates, in the state that the front terminal cover and the rear terminal cover fasten, the multiple second off-knocking plate and described more
A first off-knocking plate is oppositely arranged.
In embodiments of the present invention, described in the state that first off-knocking plate is separated from the insulation board
It is formed with empty avoiding space on insulation board, inserted sheet can be plugged on the rear terminal cover, the inserted sheet is opposite with the empty avoiding space
Setting.
The characteristics of terminal cover of breaker of the invention and advantage are:
1, the present invention is passed through by the way that multiple through holes are arranged on rear terminal cover with accommodating the connection busbar of major loop, is led to
Later the cooperation of the multiple rear cover chambers and insulation board of terminal cover, realizes insulation between phase and phase.
2, the present invention on insulation board by being arranged multiple first off-knocking plates, and multiple second are arranged on front terminal cover
Off-knocking plate meets the needs of production, it can be achieved that breaker is suitable for the different modes of connection, reduces production cost.When need by
When first off-knocking plate and the second off-knocking plate are removed, by the way that inserted sheet is arranged on rear terminal cover, the connection of major loop has been effectively ensured
Dielectric strength between busbar phase and ground substantially increases the insulation performance of connection busbar, avoids especially in high-voltage system
The security risks such as alternate breakdown, meet the needs of production well.
3, the present invention, can be to the residual for the arc quenching system for spraying breaker by the multiple partitions being arranged in front terminal cover
Metal free gas disappear it is free, disappear it is free after kish gas pass through the multiple stomatas being arranged on partition and be discharged into
In air, the various breakdown harm of pernicious gas bring are thus greatly reduced, the insulation performance of connection busbar is improved.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the perspective view of the terminal cover of breaker of the invention.
Fig. 2 is the exploded view of the terminal cover of breaker of the invention.
Fig. 3 is the structural schematic diagram of the front terminal cover of the terminal cover of breaker of the invention.
Fig. 4 is the structural schematic diagram of the rear terminal cover of the terminal cover of breaker of the invention.
Fig. 5 is equipped with the structural schematic diagram of insulation board on the front terminal cover for the terminal cover of breaker of the invention.
Fig. 6 is equipped with the structural schematic diagram of insulation board on the rear terminal cover for the terminal cover of breaker of the invention.
Fig. 7 is the portion the A enlarged drawing of Fig. 3.
Fig. 8 is the rear terminal cover top perspective view of the terminal cover of breaker of the invention.
Fig. 9 is the portion the B enlarged drawing of Fig. 8.
Figure 10 is equipped with the structural schematic diagram of connection busbar on the rear terminal cover for the terminal cover of breaker of the invention.
Figure 11 removes the structural schematic diagram of the second off-knocking plate on the front terminal cover for the terminal cover of breaker of the invention.
Figure 12 is the structural schematic diagram of the terminal cover of the prior art.
Figure 13 is the structural schematic diagram of the terminal cover of the prior art.
Figure 14 is the structural schematic diagram of the terminal cover of the prior art.
Drawing reference numeral explanation: 1, front terminal cover；11, front outer cover body；111, it is open；112, the second off-knocking plate；12, first is convex
Platform；121, buckle slot；122, location hole；123, rib；124, slot；13, preceding cover chamber；2, rear terminal cover；21, through hole；
211, open end；22, rear outer outlet body；221, side wall；23, second boss；24, rear cover chamber；231, fin is buckled；232, it positions
Column；24, rear cover chamber；3, insulation board；31, insulating sublayer plate；311, the first off-knocking plate；312, empty avoiding space；4, busbar is connected；4',
Connect busbar；5, breaker；6, partition；61, stomata；7, inserted sheet；71, slot；72, pinch plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The positional terms such as "upper", "lower", "left", "right" of the invention are subject to position shown in Fig. 1.
As depicted in figs. 1 and 2, the present invention provides a kind of terminal covers of breaker, including the front terminal cover 1 that can be interlocked
With rear terminal cover 2, insulation board 3, the insulation board 3 and the rear end are equipped between the front terminal cover 1 and the rear terminal cover 2
The multiple through holes 21 passed through for connection busbar 4 are formed between son cover 2.The terminal cover of the breaker can be located at breaker 5
On, it can be used for enhancing the class of insulation of breaker 5.
Specifically, as shown in figure 3, the front terminal cover 1 has front outer cover body 11 and is arranged in front outer cover body 11 at least
One first boss 12, cover chamber 13 before which is separated at least two by least one first boss 12.?
In the present invention, which is substantially in rectangular frame shape, is set towards the gas outlet of the arc quenching system in breaker 5
It sets, at least one first boss 12 in the front outer cover body 11 is parallel to each other and is extended towards the direction inside breaker 5,
At least one first boss 12 is vertically arranged with busbar 4 is connect.In the present embodiment, set that there are two the in the front outer cover body 11
One boss 12, the front outer cover body 11 are divided into three preceding cover chambers 13 by two first boss 12, certainly, implement in others
In example, according to the number of phases of breaker 5, a first boss 12 or three first boss 12 can be provided in front outer cover body 11,
To correspondingly, the front outer cover body 11 is divided into two preceding cover chambers 13 or four preceding cover chambers 13, herein with no restrictions.
As shown in figure 4, the rear terminal cover 2 have rear outer outlet body 22 and be arranged in rear outer outlet body 22 at least one second
Boss 23, cover chamber 24 after which is separated at least two by least one second boss 23.In the present invention,
The rear substantially U-shaped frame-like of outer outlet body 22, at least one second boss 23 are located in the rear outer outlet body 22 of U-shaped frame rack-like
Portion, and be arranged in parallel with the two sidewalls 221 of rear outer outlet body 22, the rear outer outlet body separated by least one second boss 23
The upper and lower ends of those rear cover chambers 24 in 22 through rear terminal cover 2.In the present embodiment, the middle part of the rear outer outlet body 22 is set
There are two second boss 23, cover chamber 24 after which is divided into three by two second boss 23, certainly, at it
In his embodiment, according to the number of phases of breaker 5, a second boss 23 or three second can be provided in rear outer outlet body 22
Boss 23, thus correspondingly, the rear outer outlet body 22 be divided into two after cover chamber 24 after cover chamber 24 or four, do not limit herein
System.The quantity of rear cover chamber 24 on the rear terminal cover 2 and the quantity of preceding cover chamber 13 of front terminal cover 1 are identical, current terminal cover 1 with
After rear terminal cover 2 fastens, those preceding cover chambers 13 are oppositely arranged with those rear cover chambers 24.
The insulation board 3 is folded on the end face that front terminal cover 1 and rear terminal cover 2 fasten, namely the cover chamber before at least two
The insulation board 3 is equipped with after 13 and at least two between cover chamber 24, in the present embodiment, the insulation board 3 is by multiple insulating sublayer plates 31
Composition, is respectively equipped with a sub- insulation board 31 in each be oppositely arranged between preceding cover chamber 13 and rear cover chamber 24.
In the present invention, the multiple through holes passed through for connection busbar 4 are formed between the insulation board 3 and rear terminal cover 2
21, those through holes 21 are actually multiple rear cover chambers 24 on rear terminal cover 2.It is threaded through respectively when each connection busbar 4 is corresponding
When in through hole 21, those through holes 21 can fully wrapped around multiple connection busbars 4, ensure that each connection busbar 4 alternate and
Insulation performance between relatively, it is thus also avoided that the harm that connection busbar 4 is corroded by metal free gas.
Insulation board 3 of the invention may be provided on rear terminal cover 2, may also be arranged on front terminal cover 1, as long as being able to achieve
Connection busbar 4 is surrounded, herein with no restrictions.
In a possible embodiments, as shown in figure 5, the insulation board 3 is arranged on front terminal cover 1, and be formed as front end
The side wall of son cover 1, each insulating sublayer plate 31 of the insulation board 3 are correspondingly arranged at each preceding cover chamber 13 of front terminal cover 1 towards rear terminal
The side of cover 2；Further, as shown in figure 4, the side of rear terminal cover 2 towards the insulation board 3 is formed with multiple through holes 21
Multiple open ends 211, those open ends 211 are the open end of each rear cover chamber 24.
In another feasible embodiment, as shown in fig. 6, the insulation board 3 is arranged on rear terminal cover 2, and be formed as more
The side wall of a through hole 21, each insulating sublayer plate 31 of the insulation board 3 are correspondingly arranged at each rear cover chamber 24 of rear terminal cover 2 before
The side of terminal cover 1；Further, as shown in figure 3, the side of front terminal cover 1 towards the insulation board 3 is formed with the front terminal cover
1 open end, the open end include multiple openings 111, those openings 111 are the open end of each preceding cover chamber 13.
According to embodiment of the present invention, multiple buckle structures are equipped between front terminal cover 1 and rear terminal cover 2,
The buckle structure is arranged between the first boss 12 of front terminal cover 1 and the second boss 23 of rear terminal cover 2, the front terminal cover 1
It is fastened and connected with rear terminal cover 2 by the realization of those buckle structures.In the present invention, which is the buckle being mutually clamped
Fin 231 and buckle slot 121.
In a feasible embodiment, as shown in Figure 3 and Figure 6, which is arranged in second boss 23, should
Buckle slot 121 is arranged in first boss 12；That is, each first boss 12 of front terminal cover 1 shown in Fig. 3 is towards rear terminal
Buckle slot 121 is respectively equipped in the side edge of cover 2, and each second boss 23 of rear terminal cover 2 shown in Fig. 6 is towards front terminal cover
Buckle fin 231 is respectively equipped in 1 side edge.When the front terminal cover 1 of Fig. 3 is fastened on the rear terminal cover 2 of Fig. 6, relatively
Buckle fin 231 in the second boss 23 answered can be embedded in the buckle slot 121 in first boss 12, to realize front terminal cover
The splicing of 1 opposed rear end cover 2 is fixed, and the insulation between phase and phase of connection busbar 4 is also achieved.
Further, it can also be equipped in the side edge in the front outer cover body 11 of front terminal cover 1 towards the two sidewalls of rear terminal cover 2
Buckle slot 121 can also be equipped with buckle in side edge of the rear outer outlet body 22 towards the two sidewalls of front terminal cover 1 of rear terminal cover 2
Fin 231, more firmly to realize that front terminal cover 1 and the splicing of rear terminal cover 2 are fixed.
In another feasible embodiment, which be may be provided in first boss 12, which can
It is arranged in second boss 23.Further, in the front outer cover body 11 of front terminal cover 1 towards the side of the two sidewalls of rear terminal cover 2
On edge can also be equipped with buckle fin 231, rear terminal cover 2 rear outer outlet body 22 towards the two sidewalls of front terminal cover 1 side
Buckle slot 121 can also be equipped on edge, to realize that front terminal cover 1 and the splicing of rear terminal cover 2 are fixed and (do not provide attached drawing).
According to embodiment of the present invention, which further includes the location hole 122 and positioning column being mutually inserted
232, on buckle fin 231, location hole 122 is arranged in buckle slot 121 setting of positioning column 232.
Specifically, as shown in Figure 3 and Figure 7, it is fixed to be additionally provided in the buckle slot 121 of each first boss 12 of front terminal cover 1
Position hole 122；As illustrated in fig. 4 or 6, positioning column is additionally provided on the buckle fin 231 of each second boss 23 of rear terminal cover 2
232.When current terminal cover 1 is fastened on rear terminal cover 2, the state in buckle slot 121 is embedded in corresponding buckle fin 231
Under, those positioning columns 232 are corresponding to be inserted into those location holes 122, is threaded through in positioning column 232 by screw and and location hole
122 are threadedly coupled, to complete the assembly of front terminal cover 1 Yu rear terminal cover 2.
According to embodiment of the present invention, as shown in Figure 6 and Figure 8, the insulation board 3 be equipped with can be from insulation board 3
Multiple first off-knocking plates 311 of separation, that is, the first off-knocking plate 311 that can be separated is equipped on each insulating sublayer plate 31, it should
A little first off-knocking plates 311 are located at the top of each insulating sublayer plate 3.When needing the connection busbar to major loop to concede installation space,
Such as the connection busbar is that the connection busbar 4 ' of zigzag structure can be by the first abate for the smooth installation for guaranteeing connection busbar 4 '
Plate 311 is removed from insulating sublayer plate 31 to form empty avoiding space 312, which is connected with rear cover chamber 24, is used for
Pass through connection busbar 4 '.
Further, as shown in figure 11, which is equipped with can separate from preceding terminal cover 1 multiple second and strikes
Plate 112 is fallen, in the state that front terminal cover 1 and rear terminal cover 2 fasten, multiple second off-knocking plates 112 and multiple first off-knocking plates
311 are oppositely arranged.Second off-knocking plate 112 is located at the top of front terminal cover 1, acts on the effect phase with the first off-knocking plate 311
Together.
The present invention is applicable to various forms of by the way that multiple first off-knocking plates 311 and multiple second off-knocking plates 112 is arranged
Busbar is connected, it can be achieved that breaker 5 is suitable for the different modes of connection, meets the needs of production, reduces production cost.
It in the present invention, as shown in Figure 9 and Figure 10, should in the state that the first off-knocking plate 311 alienates oneself separation on listrium 3
It is formed with empty avoiding space 312 on insulation board 3, inserted sheet 7 can be plugged on the rear terminal cover 2, the inserted sheet 7 and the empty avoiding space 312
It is oppositely arranged.That is, when needing to remove the first off-knocking plate 311 from insulating sublayer plate 31, it is exhausted between phase and ground to guarantee
Edge, the top that first off-knocking plate 311 by abate is corresponded on rear terminal cover 2 are equipped with inserted sheet 7, which can be inserted into and open up
In the slot 71 of 2 upper end of rear terminal cover, in the present embodiment, pinch plate 72 is equipped in the slot 71 of rear terminal cover 2, this is inserted
After piece 7 is inserted into slot 71, on pinch plate 72, the other end can be arranged one end contact of inserted sheet 7 close to connection busbar 4 ', should
Pinch plate 72 can prevent inserted sheet 7 from falling, which can further wrap up connection busbar 4 ', connect 4 ' phase and ground of busbar to improve
Insulation.
According to embodiment of the present invention, as shown in Figure 1, being equipped at intervals with multiple partitions 6 in the front terminal cover 1, every
Plate 6 is equipped with multiple stomatas 61.In the present embodiment, which can be metal plate or plastic plate.
Specifically, as shown in figure 3, being respectively separated in the two sides of each first boss 12 of front terminal cover 1 equipped with multiple muscle
Item 123 is formed with slot 124 between adjacent rib 123 two-by-two, and the two sides of the partition 6 can be inserted into corresponding slot 124.
At the gas outlet for the arc quenching system that breaker 5 is arranged in front terminal cover 1 of the invention, those partitions 6 are towards inside breaker 5
Arc quenching system setting, it is free disappear to the charged particle to gush out from the arc quenching system of breaker 5, so that reducing has
Evil gas breaks are alternate or mutually insulate, and the kish gas after dissociating that disappears passes through the stomata being arranged on partition and is discharged into sky
In gas.
It in specific installation, please refers to shown in Fig. 2, rear terminal cover 2 is first inserted into breaker 5, then by the connection of major loop
Busbar 4 is inserted into from horizontal direction in the through hole 21 of rear terminal cover 2, and passes through the link position that through hole 21 reaches breaker,
The connection of the connection busbar 4 and breaker 5 of major loop is realized by fastener such as screw.Then, in the inner cavity of front terminal cover 1
The multiple partitions 6 of middle insertion, later via the buckle slot 121 being arranged in first boss 12 and be arranged on rear terminal cover 2 the
Buckle fin 231 on two boss 23 matches guiding, and is worn in location hole 122 by positioning column 232, then passes through spiral shell
Silk is fixed together, and completes the assembly of front terminal cover 1 and rear terminal cover 2.
Breaker during the work time, when being switched off and on normal circuit, generated electric arc can it is cooling by arc quenching system,
Extinguish；When breaker meets with biggish fault current, the free gas with metallic vapour will go out arc quenching system, to breaker
The connection busbar of external major loop constitutes breakdown harm, the especially corresponding breaker being used in high-voltage system, from breaker
The metal free gas of ejection is likely to result between major loop hair connection busbar and the short circuit between busbar and cabinet body mounting plate
Failure.The terminal cover of the breaker being arranged in outside breaker 5 of the invention will further improve exhausted between external connection busbar
Edge performance, while multiple partitions 6 in the terminal cover for passing through breaker further can also carry out the liberation that disappears to electric arc, from
And enhance the insulation performance of external busbar.
The above is only several embodiments of the present invention, those skilled in the art can be with according to application documents disclosure
Various changes or modifications are carried out without departing from the spirit and scope of the present invention to the embodiment of the present invention.
Claims (10)
1. a kind of terminal cover of breaker, which is characterized in that including the front terminal cover and rear terminal cover that can be interlocked, the front end
It is equipped with insulation board between son cover and the rear terminal cover, is formed between the insulation board and the rear terminal cover for connecting busbar
The multiple through holes passed through.
2. the terminal cover of breaker as described in claim 1, which is characterized in that the insulation board is arranged in the rear terminal cover
On, and be formed as the side wall of the multiple through hole；The side of front terminal cover towards the insulation board be formed with it is described before
The open end of terminal cover.
3. the terminal cover of breaker as described in claim 1, which is characterized in that the insulation board is arranged in the front terminal cover
On, and be formed as the side wall of the front terminal cover；The side of rear terminal cover towards the insulation board is formed with the multiple
Multiple open ends of through hole.
4. the terminal cover of the breaker as described in claims 1 or 2 or 3, which is characterized in that be equipped at intervals in the front terminal cover
Multiple partitions are equipped with multiple stomatas on each partition；The front terminal is provide with the outlet set in the arc quenching system of breaker
At mouthful, the multiple partition is arranged towards the gas outlet direction interval of the arc quenching system.
5. the terminal cover of breaker as described in claim 1, which is characterized in that
The front terminal cover has front outer cover body and is arranged at least one intracorporal first boss of the front outer cover, before described
Cover chamber before outer outlet body is separated at least two by least one described first boss；
The rear terminal cover has rear outer outlet body and setting at least one intracorporal second boss of outer cover after described, after described
Cover chamber after outer outlet body is separated at least two by least one described second boss；
Wherein, in the state that the front terminal cover and the rear terminal cover are interlocked, the preceding cover chamber and the rear cover chamber phase
To setting；Before the insulation board is folded in described at least two after cover chamber and described at least two between cover chamber.
6. the terminal cover of breaker as claimed in claim 5, which is characterized in that in the first boss and the second boss
Between be equipped with buckle structure, the buckle structure includes the buckle fin and buckle slot being mutually clamped, and the buckle fin is arranged
In the second boss, the buckle slot is arranged in the first boss；Alternatively, buckle fin setting is described the
On one boss, the buckle slot is arranged in the second boss.
7. the terminal cover of breaker as claimed in claim 6, which is characterized in that the buckle structure further includes being mutually inserted
Location hole and positioning column, the positioning column are arranged on the buckle fin, and the location hole is arranged in the snap-in groove.
8. the terminal cover of breaker as described in claim 1, which is characterized in that the insulation board is equipped with can be from the insulation
Multiple first off-knocking plates separated on plate.
9. the terminal cover of breaker as claimed in claim 8, which is characterized in that the front terminal cover is equipped with can be before described
Multiple second off-knocking plates separated on terminal cover are described more in the state that the front terminal cover and the rear terminal cover fasten
A second off-knocking plate is oppositely arranged with the multiple first off-knocking plate.
10. the terminal cover of breaker as claimed in claim 8 or 9, which is characterized in that first off-knocking plate from it is described absolutely
In the state of being separated on listrium, it is formed with empty avoiding space on the insulation board, inserted sheet can be plugged on the rear terminal cover, it is described
Inserted sheet is oppositely arranged with the empty avoiding space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276617.0A CN109300746A (en) | 2018-10-30 | 2018-10-30 | The terminal cover of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276617.0A CN109300746A (en) | 2018-10-30 | 2018-10-30 | The terminal cover of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109300746A true CN109300746A (en) | 2019-02-01 |
Family
ID=65145384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811276617.0A Pending CN109300746A (en) | 2018-10-30 | 2018-10-30 | The terminal cover of breaker |
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| Country | Link |
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| CN (1) | CN109300746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820593A (en) * | 2021-02-07 | 2021-05-18 | 浙江世隆电气科技有限公司 | Wiring device of circuit breaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5304761A (en) * | 1992-02-18 | 1994-04-19 | General Electric Company | Arc-proof molded case circuit breaker |
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| CN204809169U (en) * | 2015-05-29 | 2015-11-25 | 施耐德电器工业公司 | A terminal cover and circuit breaker for circuit breaker |
| CN107104027A (en) * | 2017-05-08 | 2017-08-29 | 天津市百利电气有限公司 | The external hanging type of low-voltage moulded case circuit breaker disappears free arc-control device |
| CN209071237U (en) * | 2018-10-30 | 2019-07-05 | 天津京人电器有限公司 | The terminal cover of breaker |
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2018
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| US5304761A (en) * | 1992-02-18 | 1994-04-19 | General Electric Company | Arc-proof molded case circuit breaker |
| JP2000067728A (en) * | 1998-08-17 | 2000-03-03 | Fuji Electric Co Ltd | Terminal cover for circuit breaker |
| CN201904285U (en) * | 2010-12-22 | 2011-07-20 | 常熟开关制造有限公司(原常熟开关厂） | Terminal cover for circuit breaker |
| CN204809169U (en) * | 2015-05-29 | 2015-11-25 | 施耐德电器工业公司 | A terminal cover and circuit breaker for circuit breaker |
| CN107104027A (en) * | 2017-05-08 | 2017-08-29 | 天津市百利电气有限公司 | The external hanging type of low-voltage moulded case circuit breaker disappears free arc-control device |
| CN209071237U (en) * | 2018-10-30 | 2019-07-05 | 天津京人电器有限公司 | The terminal cover of breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820593A (en) * | 2021-02-07 | 2021-05-18 | 浙江世隆电气科技有限公司 | Wiring device of circuit breaker |
| CN112820593B (en) * | 2021-02-07 | 2023-09-15 | 浙江世隆电气科技有限公司 | Wiring device of circuit breaker |
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Effective date of registration: 20240610 Address after: 301800 No. 17-1 Chaoyang East Road, Koudong Industrial Park, Baodi Economic Development Zone, Baodi District, Tianjin, China Applicant after: SOOAR (TIANJIN) ELECTRICAL EQUIPMENT Co.,Ltd. Country or region after: China Address before: 301800 No. 18 Chaoyang East Road, Baodi Plastic Products Industrial Zone, Baodi District, Tianjin City Applicant before: TIANJIN JINGREN ELECTRICAL Co.,Ltd. Country or region before: China |