CN206558450U - A kind of bakelite base structure for improving RCCB breaking capacity - Google Patents
A kind of bakelite base structure for improving RCCB breaking capacity Download PDFInfo
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- CN206558450U CN206558450U CN201720309329.5U CN201720309329U CN206558450U CN 206558450 U CN206558450 U CN 206558450U CN 201720309329 U CN201720309329 U CN 201720309329U CN 206558450 U CN206558450 U CN 206558450U
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- steam vent
- spill steam
- spill
- rccb
- bakelite base
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Abstract
The utility model discloses a kind of bakelite base structure for improving RCCB breaking capacity, including bakelite base, the bakelite base is provided with the first fixed block, the first spill steam vent is provided with the side of the first fixed block, static contact is provided with the first spill steam vent, the second spill steam vent is provided with the side of the first spill steam vent, the 3rd spill steam vent is provided with the side of the second spill steam vent, the 4th spill steam vent is provided with the side of the 3rd spill steam vent, in the lower section of the 4th spill steam vent provided with exhaust radiating groove.The utility model improves the bakelite base structure of RCCB breaking capacity, the energy of RCCB part can be expelled directly out outside RCCB by the exhaust radiating groove below the first spill steam vent, the second spill steam vent, the 3rd spill steam vent and the 4th spill steam vent, the ability that RCCB dissolves electric arc in itself can be greatly increased, such a construction increases the breaking capacity of RCCB.
Description
Technical field
The utility model is related to RCCB technical field, especially a kind of glue for improving RCCB breaking capacity
Floor sill structure.
Background technology
RCCB refers to the switch of energy auto-action when leakage current exceedes predetermined value in circuit, when person electric shock
When, when detecting a leakage current by zero sequence current mutual inductor, leakage tripping device action disconnecting circuit, RCCB is in band
When loading disjunction, electric arc and spark are often produced, the arc stiffness for loading bigger generation is stronger, it is disconnected by electric leakage
Arc-extinguish chamber inside the device of road effectively can fall electric arc neutralizing, at this moment can often produce very big atmospheric pressure and heat, early
The RCCB of phase well can not gush out this portion of energy within the limit of power of RCCB from front and rear,
The ability that RCCB dissolves electric arc in itself is weak, so that the breaking capacity of RCCB is poor.
Utility model content
The purpose of this utility model is to provide a kind of bakelite base structure for improving RCCB breaking capacity, had
The advantage of breaking capacity can be improved, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：One kind improves RCCB breaking capacity
Bakelite base structure, including bakelite base, the bakelite base is provided with the first fixed block, provided with the on the first fixed block
One groove and the second groove, are provided with the first spill steam vent in the side of the first fixed block, are provided with the first spill steam vent
Static contact, the second spill steam vent is provided with the side of the first spill steam vent, in the side of the second spill steam vent provided with the
Three spill steam vents, are provided with the 4th spill steam vent, in the lower section of the 4th spill steam vent in the side of the 3rd spill steam vent
Provided with exhaust radiating groove, the side of the first spill steam vent is provided with the second fixed block, is provided with the side of the second fixed block
3rd fixed block, fixed plate is provided with the side of the 3rd fixed block, and the 4th fixed block is provided with the side of fixed plate.
It is used as further program of the utility model：The first spill steam vent, the second spill steam vent, the 3rd spill
Steam vent and the 4th spill steam vent size shape are identical, and arrange on the same line.
It is used as further program of the utility model：The exhaust radiating groove is located at the bottom of bakelite base, and is distributed in
First spill steam vent, the second spill steam vent, the lower section of the 3rd spill steam vent and the 4th spill steam vent.
Compared with prior art, the utility model beneficial effect：
The utility model improves the bakelite base structure of RCCB breaking capacity, by RCCB bakelite bottom
The installation static contact lower position of seat has opened up the first spill steam vent, the second spill steam vent, the 3rd spill steam vent and the
Four spill steam vents, while in the exhaust of the first spill steam vent, the second spill steam vent, the 3rd spill steam vent and the 4th spill
One or so penetrating exhaust radiating groove is cut out in position where below hole, for the cold and hot convection current of air and can be by leakage, breaking
The energy of device part passes through the first spill steam vent, the second spill steam vent, the 3rd spill steam vent and the 4th spill steam vent
The exhaust radiating groove of lower section is expelled directly out outside RCCB, can greatly increase the energy that RCCB dissolves electric arc in itself
Power, such a construction increases the breaking capacity of RCCB.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is side view of the present utility model.
In figure：1- bakelite bases；2- static contacts；3- the first spill steam vents；4- the second spill steam vents；The spills of 5- the 3rd
Steam vent；The spill steam vents of 6- the 4th；7- is vented radiating groove；The fixed blocks of 8- first；The fixed blocks of 9- second；The fixed blocks of 10- the 3rd；
The fixed blocks of 11- the 4th；The grooves of 12- first；The grooves of 13- second；14- fixed plates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1-3, the utility model embodiment, a kind of bakelite base knot for improving RCCB breaking capacity
Structure, including bakelite base 1, bakelite base 1 are provided with the first fixed block 8, provided with the first groove 12 and the on the first fixed block 8
Two grooves 13, the first spill steam vent 3 is provided with the side of the first fixed block 8, and static contact is provided with the first spill steam vent 3
2, the second spill steam vent 4 is provided with the side of the first spill steam vent 3, the 3rd is provided with the side of the second spill steam vent 4
Spill steam vent 5, the 4th spill steam vent 6 is provided with the side of the 3rd spill steam vent 5, and the first spill steam vent 3, second is recessed
Shape steam vent 4, the 3rd spill steam vent 5 are identical with the size shape of the 4th spill steam vent 6, and arrange on the same line,
The lower section of 4th spill steam vent 6 is provided with exhaust radiating groove 7, and exhaust radiating groove 7 is located at the bottom of bakelite base 1, and is distributed in
First spill steam vent 3, the second spill steam vent 4, the lower section of the 3rd spill steam vent 5 and the 4th spill steam vent 6, in electric leakage
The lower position of installation static contact 2 of breaker bakelite base 1 has opened up the first spill steam vent 3, the second spill steam vent 4,
Three spill steam vents 5 and the 4th spill steam vent 6, while in the first spill steam vent 3, the second spill steam vent 4, the 3rd spill
One article or so penetrating exhaust radiating groove 7 is cut out in position where steam vent 5 and the lower section of the 4th spill steam vent 6, for air
Cold and hot convection current, RCCB often produces electric arc and spark when bringing onto load disjunction, loads the electricity of bigger generation
Arc intensity is stronger, at this moment effectively can fall electric arc neutralizing by the arc-extinguish chamber inside RCCB, at this moment can often produce
Very big atmospheric pressure and heat is given birth to, this portion of energy can be from front and rear eruption within the limit of power of RCCB
Go out, and now we outputed below bakelite base 1 exhaust radiating the first spill steam vent 3, the second spill steam vent 4,
3rd spill steam vent 5 and the 4th spill steam vent 6, and can be recessed by the first spill steam vent 3, second by the energy of part
The exhaust radiating groove 7 of shape steam vent 4, the 3rd spill steam vent 5 and the lower section of the 4th spill steam vent 6 is expelled directly out RCCB
Outside, can greatly increase the ability that RCCB dissolves electric arc in itself, that is to say, that it is disconnected that this structure can greatly improve electric leakage
The breaking capacity of road device, the side of the first spill steam vent 3 is provided with the second fixed block 9, in the side of the second fixed block 9 provided with the
Three fixed blocks 10, fixed plate 14 is provided with the side of the 3rd fixed block 10, and the 4th fixed block 11 is provided with the side of fixed plate 14,
The bakelite base structure of the raising RCCB breaking capacity, passes through the installation static contact 2 in RCCB bakelite base 1
Lower position has opened up the first spill steam vent 3, the second spill steam vent 4, the 3rd spill steam vent 5 and the 4th spill steam vent
6, while below the first spill steam vent 3, the second spill steam vent 4, the 3rd spill steam vent 5 and the 4th spill steam vent 6
One or so penetrating exhaust radiating groove 7 is cut out in the position at place, for the cold and hot convection current of air and can be by RCCB portion
The energy divided passes through the first spill steam vent 3, the second spill steam vent 4, the 3rd spill steam vent 5 and the 4th spill steam vent 6
The exhaust radiating groove 7 of lower section is expelled directly out outside RCCB, can greatly increase the energy that RCCB dissolves electric arc in itself
Power, such a construction increases the breaking capacity of RCCB.
In summary：The utility model improves the bakelite base structure of RCCB breaking capacity, by disconnected in electric leakage
The lower position of installation static contact 2 of road device bakelite base 1 has opened up the first spill steam vent 3, the second spill steam vent the 4, the 3rd
The spill steam vent 6 of spill steam vent 5 and the 4th, while in the first spill steam vent 3, the second spill steam vent 4, the 3rd spill row
One article or so penetrating exhaust radiating groove 7 is cut out in position where stomata 5 and the lower section of the 4th spill steam vent 6, cold for air
Thermal convection current and can be recessed by the first spill steam vent 3, the second spill steam vent the 4, the 3rd by the energy of RCCB part
Shape steam vent 5 and the exhaust radiating groove 7 of the lower section of the 4th spill steam vent 6 are expelled directly out outside RCCB, can be greatly increased
RCCB dissolves the ability of electric arc in itself, and such a construction increases the breaking capacity of RCCB.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (3)
1. a kind of bakelite base structure for improving RCCB breaking capacity, including bakelite base (1), it is characterised in that：Institute
Bakelite base (1) is stated provided with the first fixed block (8), the first groove (12) and the second groove are provided with the first fixed block (8)
(13) the first spill steam vent (3), is provided with the side of the first fixed block (8), stationary contact is provided with the first spill steam vent (3)
Head (2), is provided with the second spill steam vent (4), the one of the second spill steam vent (4) in the side of the first spill steam vent (3)
Side is provided with the 3rd spill steam vent (5), the 4th spill steam vent (6) is provided with the side of the 3rd spill steam vent (5), the 4th
The lower section of spill steam vent (6) is fixed provided with exhaust radiating groove (7), the side of the first spill steam vent (3) provided with second
Block (9), the 3rd fixed block (10) is provided with the side of the second fixed block (9), in the side of the 3rd fixed block (10) provided with fixation
Plate (14), the 4th fixed block (11) is provided with the side of fixed plate (14).
2. a kind of bakelite base structure for improving RCCB breaking capacity according to claim 1, it is characterised in that：
The first spill steam vent (3), the second spill steam vent (4), the 3rd spill steam vent (5) and the 4th spill steam vent (6)
Size shape is identical, and arranges on the same line.
3. a kind of bakelite base structure for improving RCCB breaking capacity according to claim 1, it is characterised in that：
The exhaust radiating groove (7) is located at the bottom of bakelite base (1), and is distributed in the first spill steam vent (3), the exhaust of the second spill
The lower section in hole (4), the 3rd spill steam vent (5) and the 4th spill steam vent (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309329.5U CN206558450U (en) | 2017-03-28 | 2017-03-28 | A kind of bakelite base structure for improving RCCB breaking capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309329.5U CN206558450U (en) | 2017-03-28 | 2017-03-28 | A kind of bakelite base structure for improving RCCB breaking capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558450U true CN206558450U (en) | 2017-10-13 |
Family
ID=60015702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720309329.5U Active CN206558450U (en) | 2017-03-28 | 2017-03-28 | A kind of bakelite base structure for improving RCCB breaking capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206558450U (en) |
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2017
- 2017-03-28 CN CN201720309329.5U patent/CN206558450U/en active Active
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