CN209169090U - Arc-chutes and breaker - Google Patents
Arc-chutes and breaker Download PDFInfo
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- CN209169090U CN209169090U CN201821452224.6U CN201821452224U CN209169090U CN 209169090 U CN209169090 U CN 209169090U CN 201821452224 U CN201821452224 U CN 201821452224U CN 209169090 U CN209169090 U CN 209169090U
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- arc
- arc extinguishing
- opening
- chutes
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Abstract
A kind of arc-chutes, the clamping plate being oppositely arranged including two, and multiple arc extinguishing grid pieces for being laminated and being arranged at intervals between two clamping plates, multiple arc extinguishing grid pieces are open equipped with arc extinguishing, arc extinguishing opening offset setting on two adjacent arc extinguishing grid pieces, and the striking point for protruding from arc extinguishing grid pieces is respectively equipped at least two adjacent arc extinguishing grid pieces, and two striking points of adjacent arc extinguishing grid pieces shift to install, by shifted to install at two arc extinguishing opening in be respectively set dislocation stretch out arc extinguishing opening striking point, arc-chutes can be effectively reduced at a distance from electric arc, electric arc is pulled in arc-chutes in advance, keep arc motion smooth, shorten arcing standstill time, increase deionization, medium recovery strength increases, when current over-zero, medium recovery strength is greater than the recovery voltage of arc gap, just no longer puncture, electricity The arc fall time is reduced.The utility model creation additionally provides a kind of breaker, can be improved the ability of breaking current by the arc-chutes.
Description
Technical field
The invention is related to Low Voltage Electrical Apparatus, more particularly to a kind of arc-chutes and breaker.
Background technique
Breaker is the important component of electrical equipment industry, and when electric circuit is working properly, breaker can be by closing
Conjunction and disconnecting circuit, to reach the functions such as power failure, power supply and conversion circuit；When the failures such as overload and short circuit occurs in electric circuit
When, breaker again can automatically by circuitry cuts, avoid because fault jeopardize staff safety and equipment it is normal
Operation.The electric arc pulled out when usually extinguishing circuit breaker trip circuit by arc-chutes in breaker, but electric arc reaches arc extinguishing
The move distance of room is too long, in fact it could happen that electric arc breaks situation, cause arc motion to have some setbacks, dead time it is too long, scaling loss is disconnected
Road device influences electric property, the problems such as also reducing medium recovery strength, cause arc reignition, therefore the arc extinguishing ability of breaker
It is most important.
Summary of the invention
The defect for aiming to overcome that the prior art of the invention, provides that a kind of structure is simple, high reliablity goes out
Arc chamber.
To achieve the above object, the invention adopts the technical scheme that
A kind of arc-chutes including two clamping plates being oppositely arranged 45 and multiple stackings and are arranged at intervals on two clamping plates
Arc extinguishing grid pieces 43 between 45, multiple arc extinguishing grid pieces 43 are equipped with arc extinguishing opening 47, going out on two adjacent arc extinguishing grid pieces 43
Arc opening 47 shifts to install, and is respectively equipped with one at least two adjacent arc extinguishing grid pieces 43 and protrudes from arc extinguishing grid pieces
43 striking point 44, and two striking points 44 of adjacent arc extinguishing grid pieces 43 shift to install.
Optionally, one end of the striking point 44 is connect with arc extinguishing opening 47, and the other end stretches out arc extinguishing opening 47.
Optionally, the arc extinguishing opening 47 is at V-type, the inner wall phase of 47 sides of the side of the striking point 44 and arc extinguishing opening
Even, the inner wall of 47 other sides of the other side of the striking point 44 and arc extinguishing opening is oppositely arranged to form striking opening 46, and striking is opened
The opening angle of mouth 46 is less than the opening angle of arc extinguishing opening 47.
Optionally, for the striking point 44 at triangle, striking point 44 includes being connected with the inner wall of 47 sides of arc extinguishing opening
First side, and be oppositely arranged to form the second side 441 of striking opening 46 with the be open inner wall of 47 other sides of arc extinguishing, the
The bottom end of dual side-edge 441 and first side is connect with the bottom of arc extinguishing opening 47, and arc extinguishing opening is stretched out on the top of second side 441
47 are connect by third side 442 with the top of first side；Cheng Rui between the second side 441 and third side 442
Angle, it is at an acute angle between second side 441 and first side, at obtuse angle between first side and third side 442.
Optionally, the multiple arc extinguishing grid pieces 43 include the first arc extinguishing grid pieces 43a equipped with striking point 44, and are not provided with
Striking opening 46 on second arc extinguishing grid pieces 43b, two adjacent the first arc extinguishing grid pieces 43a of striking point 44 shifts to install, phase
Arc extinguishing opening 47 on two adjacent the second arc extinguishing grid pieces 43b shifts to install, on the first arc extinguishing grid pieces 43a in arc extinguishing opening 47
The opening angle of striking opening 46 is less than the opening angle of the arc extinguishing opening 47 on adjacent second arc extinguishing grid pieces 43b.
Optionally, the first arc extinguishing grid pieces 43a being stacked including two, two the first arc extinguishing grid pieces being stacked
43a is arranged between multiple the second arc extinguishing grid pieces 43b being stacked.
The arc-chutes of the invention, by shifted to install at two arc extinguishing opening 47 in be respectively set dislocation stretch out
The striking point 44 of arc extinguishing opening 47, can effectively reduce arc-chutes 42 at a distance from electric arc, electric arc is pulled in arc-chutes 42 in advance
It is interior, keep arc motion smooth, shorten arcing standstill time, increase deionization, medium recovery strength increases, and works as current over-zero
When, medium recovery strength is greater than the recovery voltage of arc gap, just no longer punctures, and the arc extinction time is reduced.
The invention additionally provides a kind of breaker, including the arc-chutes 42.
It optionally, further include contact mechanism and operating mechanism 2, operating mechanism 2 is able to drive the moving contact 11 of contact mechanism
It is contacted with the static contact 12 of contact mechanism and separate, the run-on tab 41 for extending to arc-chutes 42 is equipped in the lower section of moving contact 11,
The side of run-on tab 41 is arranged in arc-chutes 42, and the striking point 44 reaches between run-on tab 41 and contact mechanism.
Optionally, the top of the arc-chutes 42 is equipped with contact plate 121, one end of contact plate 121 and the first connecting terminal
51a connection, the other end are equipped with the arc leading angle 122 that connect with static contact 12, and at U-shaped, static contact 12 is arranged to be drawn arc leading angle 122
The one end at the middle part of arc angle 122, arc leading angle 122 is connect with contact plate 121, and the other end, which is oppositely arranged and is inserted into striking point 44, to go out
Arc chamber 42.
Optionally, the left end of circuit breaker housing is arranged in the first connecting terminal 51a, sets in the right end of circuit breaker housing
Have a second connecting terminal 51b, 41 camber of run-on tab, 41 one end of run-on tab be located at the right side of moving contact 11 and with the second terminals
Sub- 51b connection, the lower direction arc-chutes 42 that the other end is located at striking point 44 extend；The left side of the operating mechanism 2 is equipped with tripping
The lower section of tripping mechanism 3 is arranged in mechanism 3, arc-chutes 42, and contact plate 121 is arranged between tripping mechanism 3 and arc-chutes 42,
The left end of contact plate 121 is connect with the first connecting terminal 51a, and right end is equipped with arc leading angle 122, and static contact 12 is arranged in arc leading angle
122 right side and moving contact 11 cooperate, and top and the static contact 12 of run-on tab 41 are oppositely arranged, and bottom end and striking point 44 are opposite
Setting, one end of moving contact 11 connect with operating mechanism 2, the other end of moving contact 11 reach run-on tab 41 and static contact 12 it
Between.
The breaker of the invention can be improved the ability of breaking current by the arc-chutes 42, in access electricity
When flowing bigger major loop, electric arc can be extinguished in time, breaker will not be damaged.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the invention breaker；
Fig. 2 is the structural schematic diagram of the invention arc-chutes.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 2 provides, the specific embodiment party of the arc-chutes of the invention is further illustrated
Formula.The arc-chutes of the invention are not limited to the following description.
As shown in Figs. 1-2, the arc-chutes of the invention include two clamping plates being oppositely arranged 45 and it is multiple stacking and
The arc extinguishing grid pieces 43 being arranged at intervals between two clamping plates 45, multiple arc extinguishing grid pieces 43 be equipped with arc extinguishing opening 47, adjacent two
Arc extinguishing opening 47 on a arc extinguishing grid pieces 43 shifts to install, and is respectively equipped with one at least two adjacent arc extinguishing grid pieces 43
A striking point 44 for protruding from arc extinguishing grid pieces 43, and two striking points 44 of adjacent arc extinguishing grid pieces 43 shift to install.Pass through
Shifted to install at two arc extinguishing opening 47 in be respectively set dislocation stretch out arc extinguishing opening 47 striking point 44, can effectively subtract
Electric arc is pulled in arc-chutes 42 in advance at a distance from electric arc, keeps arc motion smooth by few arc-chutes 42, is shortened electric arc and is stagnated
Time increases deionization, and medium recovery strength increases, and when current over-zero, medium recovery strength is greater than the recovery of arc gap
Voltage just no longer punctures, and the arc extinction time is reduced.
Further, 4 setting of striking point is extended out in arc extinguishing opening 47 by arc extinguishing opening 47.The striking
One end of point 44 is connect with arc extinguishing opening 47, and the other end stretches out arc extinguishing opening 47, can guarantee 42 arc extinguishing ability of arc-chutes
On the basis of, arc-chutes 42 are further reduced at a distance from electric arc, in advance pull in electric arc in arc-chutes 42.
Further, arc extinguishing opening 47 is at V-type, 47 sides of the side of the striking point 44 and arc extinguishing opening it is interior
Wall is connected, and the inner wall of 47 other sides of the other side and arc extinguishing opening is oppositely arranged to form striking opening 46, the opening of striking opening 46
Angle is less than the opening angle of arc extinguishing opening 47, and the arc extinguishing ability of arc-chutes 42, Er Qietong can be improved in the arc extinguishing opening 47 of V-type
The arc extinguishing ability of arc-chutes 42 can be further increased by crossing the striking opening 46 that striking point 44 is formed in arc extinguishing opening 47.
Further, for the striking point 44 at triangle, striking point 44 includes being connected with the inner wall of 47 sides of arc extinguishing opening
First side, and with arc extinguishing be open 47 other sides inner wall be oppositely arranged to be formed striking opening 46 second side 441,
The bottom end of second side 441 and first side is connect with the bottom of arc extinguishing opening 47, and the top of second side 441 is stretched out arc extinguishing and opened
Mouth 47 is connect by third side 442 with the top of first side；Between the second side 441 and third side 442 at
Acute angle, it is at an acute angle between second side 441 and first side, at obtuse angle between first side and third side 442, at triangle
Striking point 44 be not only convenient for processing, and small in size be not easy and other mechanical interferences in breaker.
Further, the multiple arc extinguishing grid pieces 43 include the first arc extinguishing grid pieces 43a equipped with striking point 44, and are not set
The striking opening 46 set on the second arc extinguishing grid pieces 43b, two adjacent the first arc extinguishing grid pieces 43a of striking point 44 shifts to install,
Arc tip 44 is guided to be located at 47 different sides of arc extinguishing opening, the arc extinguishing on two adjacent the second arc extinguishing grid pieces 43b is opened
Mouth 47 shifts to install, and the opening angle of the striking opening 46 on the first arc extinguishing grid pieces 43a in arc extinguishing opening 47 is less than adjacent second
The opening angle of arc extinguishing opening 47 on arc extinguishing grid pieces 43b.It is of course also possible to which the second arc extinguishing grid pieces 43b is only arranged instead of first
Arc extinguishing grid pieces 43a, and striking point 44 is set on the second arc extinguishing grid pieces 43b, but combined by the first arc extinguishing grid pieces 43a of setting
Second arc extinguishing grid pieces 43b has compact-sized, reasonable and easy to process feature.Preferably, arc-chutes only include two layers
Multiple second be stacked are arranged in first arc extinguishing grid pieces 43a, two the first arc extinguishing grid pieces 43a being stacked of folded setting
Between arc extinguishing grid pieces 43b.
As shown in Figure 1, the invention additionally provides a kind of breaker, breaker includes arc extinguishing described in the utility model
Room 42, breaker can be improved the ability of breaking current by arc-chutes 42, in the bigger major loop of access electric current, Neng Gouji
When extinguish electric arc, breaker will not be damaged.
As a kind of embodiment of breaker, breaker includes contact mechanism and operating mechanism 2, and operating mechanism 2 can
Moving contact 11 with dynamic contact mechanism contacts and separate with the static contact 12 of contact mechanism, and the lower section of moving contact 11, which is equipped with, to be extended
To the run-on tab 41 of arc-chutes 42, arc-chutes 42 are arranged in the side of run-on tab 41, the striking point 44 reach run-on tab 41 with
Between contact mechanism.
Further, the top of the arc-chutes 42 is equipped with contact plate 121, one end of contact plate 121 and the first terminals
Sub- 51a connection, the other end are equipped with the arc leading angle 122 that connect with static contact 12, and at U-shaped, static contact 12 is arranged to exist arc leading angle 122
The one end at the middle part of arc leading angle 122, arc leading angle 122 is connect with contact plate 121, and the other end is oppositely arranged and inserts with striking point 44
Enter arc-chutes 42.
Further, the left end of circuit breaker housing is arranged in the first connecting terminal 51a, in the right end of circuit breaker housing
Equipped with the second connecting terminal 51b, 41 camber of run-on tab, one end of run-on tab 41 is located at the right side of moving contact 11 and connects with second
Line terminals 51b connection, the lower direction arc-chutes 42 that the other end is located at striking point 44 extend.
Further, the left side of the operating mechanism 2 is equipped with tripping mechanism 3, and arc-chutes 42 are arranged under tripping mechanism 3
Side, contact plate 121 are arranged between tripping mechanism 3 and arc-chutes 42, and the left end of contact plate 121 and the first connecting terminal 51a connect
It connects, right end is equipped with arc leading angle 122, and the right side of arc leading angle 122 is arranged in static contact 12 and moving contact 11 cooperates, run-on tab 41
Top is oppositely arranged with static contact 12, and bottom end is oppositely arranged with striking point 44, and one end of moving contact 11 is connect with operating mechanism 2,
The other end reaches between run-on tab 41 and static contact 12.
As a kind of embodiment of operating mechanism 2, the side of operating mechanism 2, which is equipped with, to be pivoted in circuit breaker housing
Handle 21, operating mechanism 2 includes energy-stored spring (not shown), is pivoted in circuit breaker housing and contact mechanism
The rocker arm that moving contact 11 connects, and it is pivoted on lock and tripping mutually snap-fitted on rocker arm, lock passes through connecting rod
(not shown) and handle 21 are hinged, latch operating mechanism 2 when together with tripping hasp and keep balance, handle 21 being capable of band
Dynamic moving contact 11 contacts with static contact 12 and is energy-stored spring energy storage, and tripping mechanism 3 can push moving contact 11 or operating mechanism 2
Being located remotely from each other lock and tripping makes 2 disequilibrium of operating mechanism, drives moving contact 11 to leave static contact 12 by energy-stored spring.
As a kind of embodiment of the first connecting terminal 51a and the second connecting terminal 51b, the first connecting terminal 51a and
Second connecting terminal 51b structure is identical, and the first connecting terminal 51a includes into the terminal plate 52 and junction block 53 of frame shape, connects
One end of line plate 52 is connect with run-on tab 41,53 sets of junction block terminal plate 52 the other end and connect with 54 screw thread of terminal screw
It connects, terminal screw 54 passes through the side of 42 top side of terminal plate and reaches in junction block 53 to be cooperated with the side of 42 bottom side of terminal plate.
Certain operating mechanism 2, the first connecting terminal 51a and the second connecting terminal 51b are not done specific here to use other structures yet
It limits.
It, cannot the above content is combining specific preferred embodiment to be further described to made by the invention
Assert that the specific implementation of the invention is only limited to these instructions.For the ordinary skill of the invention technical field
For personnel, without departing from the concept of the premise of the invention, a number of simple deductions or replacements can also be made, should all regard
For the protection scope for belonging to the invention.
Claims (10)
1. a kind of arc-chutes including two clamping plates being oppositely arranged (45) and multiple stackings and are arranged at intervals on two clamping plates
(45) arc extinguishing grid pieces (43) between, multiple arc extinguishing grid pieces (43) are equipped with arc extinguishing opening (47), it is characterised in that: adjacent two
Arc extinguishing opening (47) on a arc extinguishing grid pieces (43) shifts to install, and at least two adjacent arc extinguishing grid pieces (43) respectively
The striking that arc extinguishing grid pieces (43) are protruded from equipped with one is sharp (44), and two striking points (44) of adjacent arc extinguishing grid pieces (43)
It shifts to install.
2. arc-chutes according to claim 1, it is characterised in that: one end of the striking sharp (44) and arc extinguishing opening (47)
Connection, the other end stretch out arc extinguishing opening (47).
3. arc-chutes according to claim 2, it is characterised in that: the arc extinguishing opening (47) is at V-type, the striking point
(44) side is connected with the inner wall of arc extinguishing opening (47) side, and the other side of the striking sharp (44) and arc extinguishing opening (47) are another
The inner wall of side is oppositely arranged to form striking opening (46), and the opening angle of striking opening (46) is less than opening for arc extinguishing opening (47)
Bicker degree.
4. arc-chutes according to claim 3, it is characterised in that: the striking sharp (44) is at triangle, striking point (44)
The first side that inner wall including (47) side that is open with arc extinguishing is connected, and it is opposite with the arc extinguishing opening inner wall of (47) other side
The second side (441) for forming striking opening (46) is set, and the bottom end of second side (441) and first side and arc extinguishing are open
(47) bottom connection, the top of second side (441) stretch out arc extinguishing opening (47) and pass through third side (442) and first side
Top connection；It is at an acute angle between the second side (441) and third side (442), second side (441) and the first side
It is at an acute angle between side, at obtuse angle between first side and third side (442).
5. arc-chutes according to claim 3, it is characterised in that: the multiple arc extinguishing grid pieces (43) include being equipped with striking point
(44) the first arc extinguishing grid pieces (43a), and be not provided with the second arc extinguishing grid pieces (43b) of striking sharp (44), adjacent two the
Striking opening (46) on one arc extinguishing grid pieces (43a) shifts to install, and the arc extinguishing on two adjacent the second arc extinguishing grid pieces (43b) is opened
Mouth (47) shifts to install, and the opening angle of the striking opening (46) on the first arc extinguishing grid pieces (43a) in arc extinguishing opening (47) is less than
The opening angle of arc extinguishing opening (47) on adjacent second arc extinguishing grid pieces (43b).
6. arc-chutes according to claim 5, it is characterised in that: the first arc extinguishing grid pieces being stacked including two
(43a), two the first arc extinguishing grid pieces (43a) being stacked be arranged in multiple the second arc extinguishing grid pieces (43b) being stacked it
Between.
7. a kind of breaker, it is characterised in that: including any arc-chutes (42) of claim 1-6.
8. breaker according to claim 7, it is characterised in that: further include contact mechanism and operating mechanism (2), operate machine
Structure (2) is able to drive the moving contact (11) of contact mechanism and contacts with the static contact (12) of contact mechanism and separate, in moving contact
(11) lower section is equipped with the run-on tab (41) for extending to arc-chutes (42), and arc-chutes (42) are arranged in the side of run-on tab (41),
The striking sharp (44) reaches between run-on tab (41) and contact mechanism.
9. breaker according to claim 8, it is characterised in that: the top of the arc-chutes (42) is equipped with contact plate
(121), one end of contact plate (121) is connect with the first connecting terminal (51a), and the other end is equipped with to be drawn with what static contact (12) was connect
Arc angle (122), arc leading angle (122) is at U-shaped, and static contact (12) setting is at the middle part of arc leading angle (122), and the one of arc leading angle (122)
End is connect with contact plate (121), and the other end and striking sharp (44) are oppositely arranged and are inserted into arc-chutes (42).
10. breaker according to claim 9, it is characterised in that: first connecting terminal (51a) is arranged in breaker
The left end of shell is equipped with the second connecting terminal (51b) in the right end of circuit breaker housing, run-on tab (41) camber, run-on tab
(41) one end is located at the right side of moving contact (11) and connect with the second connecting terminal (51b), and it is sharp (44) that the other end is located at striking
Lower direction arc-chutes (42) extend；The left side of the operating mechanism (2) is equipped with tripping mechanism (3), and arc-chutes (42) setting exists
The lower section of tripping mechanism (3), contact plate (121) are arranged between tripping mechanism (3) and arc-chutes (42), contact plate (121)
Left end is connect with the first connecting terminal (51a), and right end is equipped with arc leading angle (122), and static contact (12) is arranged in arc leading angle (122)
Right side and moving contact (11) cooperate, and top and the static contact (12) of run-on tab (41) are oppositely arranged, bottom end and sharp (44) phase of striking
To setting, one end of moving contact (11) is connect with operating mechanism (2), the other end of moving contact (11) reach run-on tab (41) with it is quiet
Between contact (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452224.6U CN209169090U (en) | 2018-09-06 | 2018-09-06 | Arc-chutes and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452224.6U CN209169090U (en) | 2018-09-06 | 2018-09-06 | Arc-chutes and breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169090U true CN209169090U (en) | 2019-07-26 |
Family
ID=67330777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821452224.6U Active CN209169090U (en) | 2018-09-06 | 2018-09-06 | Arc-chutes and breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216575A (en) * | 2020-09-23 | 2021-01-12 | 西安理工大学 | Nonpolarity comprehensive regulation and control arc extinguish chamber for direct current molded case circuit breaker |
-
2018
- 2018-09-06 CN CN201821452224.6U patent/CN209169090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216575A (en) * | 2020-09-23 | 2021-01-12 | 西安理工大学 | Nonpolarity comprehensive regulation and control arc extinguish chamber for direct current molded case circuit breaker |
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