CN208970470U - A kind of arc-chutes and breaker - Google Patents
A kind of arc-chutes and breaker Download PDFInfo
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- CN208970470U CN208970470U CN201821628536.8U CN201821628536U CN208970470U CN 208970470 U CN208970470 U CN 208970470U CN 201821628536 U CN201821628536 U CN 201821628536U CN 208970470 U CN208970470 U CN 208970470U
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- arc
- thermosetting
- bracket
- chutes
- gas plate
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Abstract
The utility model relates to a kind of arc-chutes and breakers, are coated using thermosetting bracket and produce gas plate, make production gas plate avoid being deformed by high temperature ablation, avoid contact clamping stagnation, guarantee the interrupting performance of breaker.The utility model is effectively combined thermosetting material with gas exhausted material, and then play synergistic effect, thermosetting material and gas exhausted material respectively play the role of it is due except, it is also formed and is had complementary functions, to guarantee the stability (guaranteeing good interrupting performance) and service life of the work of arc-chutes, breaker, it is able to achieve the movement for accelerating electric arc, promote the extinguishing of electric arc and the disjunction of breaker, it can guarantee the temperature resistant grade of arc-chutes again, higher energy is born, is unlikely to deform by high temperature erosion.
Description
Technical field
The utility model relates to electrical equipments, more specifically to a kind of arc-chutes and a kind of breaker.
Background technique
For conventional arc-chutes, mostly it is fixed on and is gone out using single gas exhausted material either heat cured material
Arc chamber gap two sides.Breaker accelerates electric arc to be moved in arc-chutes, in arc quenching system extensively to increase arc voltage faster
General to use gas exhausted material, when arc erosion gas exhausted material, gas exhausted material can generate H2, the movement of electric arc, cooling electricity can be accelerated
Arc makes the diameter of electric arc become smaller, (H2Good heat conductivity, dielectric strength highest), for promoted breaker disjunction have it is critically important
It influences.
Some arc quenching systems also can be placed in arc-chutes gap two sides using thermosetting material, for heat cured material
Its temperature resistant grade is higher, is able to bear very high energy, is unlikely to deform when by high temperature erosion.
It is placed in arc quenching system according to single gas exhausted material, although producing the promotion that gas is conducive to its interrupting performance,
But face in the biggish situation of energy, temperature resistant grade is to be unable to satisfy actual requirement, when by high temperature ablation, is easy to become
Shape seriously affects the performance of product.
And individually thermosetting material is placed in arc quenching system, is improved since heat cured material cannot generate gas
The indoor pressure of arc extinguishing, can not accelerate the movement of electric arc, be unfavorable for the extinguishing of electric arc and the disjunction of product.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of by thermosetting material and gas exhausted material
Effectively combined, and then play the role of synergistic effect, i.e., thermosetting material and gas exhausted material respectively play it is due except, also
Formation has complementary functions, to guarantee the stability of the work of arc-chutes, breaker and the arc-chutes of service life, and described in assembly
The breaker of arc-chutes.
The technical solution of the utility model is as follows:
A kind of arc-chutes, including several arc extinguishing grid pieces, flash barrier, arc extinguishing grid pieces are arranged between two flash barriers；Holding
It is set gradually on the side wall for the active chamber that moving contact of receiving is moved and produces gas plate, thermosetting bracket, thermosetting bracket is blocked in production gas
Between plate and moving contact.
Preferably, thermosetting bracket cladding produces gas plate, air passing hole is offered on thermosetting bracket, produce gas plate by air passing hole with
Active chamber communicates.
Preferably, the air passing hole opens up for several transverse directions, the long hole of longitudinal arrangement.
Preferably, the upper and lower ends of thermosetting bracket are respectively equipped with position-limit mechanism, thermosetting bracket is installed by position-limit mechanism
In flash barrier, and longitudinal direction is formed, and perpendicular to the limit in flash barrier direction.
Preferably, thermosetting bracket upper and lower ends position-limit mechanism be respectively " L " type upper buckle, lower buckle, " L " type it is upper
Buckle forms clamping limit to flash barrier with lower buckle.
Preferably, the upper of flash barrier transversely offers resigning breach, upper snap-fitted is to being installed in resigning breach.
Preferably, the lower edge of flash barrier is provided with step, for forming contact limit to lower buckle.
Preferably, the direction of thermosetting bracket towards moving contact is provided with cladding wall, cladding wall covering flash barrier produces gas
The end face of plate, arc extinguishing grid pieces.
Preferably, the side for producing gas plate towards arc extinguishing grid pieces is provided with grid slot, arc extinguishing grid pieces correspondence is installed in grid
In slot；And locked by screw from outside, locking produces gas plate.
The installation of a kind of breaker, including arc-chutes, moving contact, static contact, pedestal, the interior setting arc-chutes of pedestal is indoor
Wall, equipped with the spacing block set opposite with thermosetting bracket, spacing block set is supported with thermosetting top of support, in the direction towards moving contact to heat
Clamped frame forms limit.
The beneficial effects of the utility model are as follows:
Arc-chutes and breaker described in the utility model, using thermosetting bracket coat produce gas plate, make produce gas plate avoid by
It is deformed to high temperature ablation, avoids contact clamping stagnation, guarantee the interrupting performance of breaker.The utility model is by thermosetting material
It is effectively combined with gas exhausted material, and then plays synergistic effect, thermosetting material and gas exhausted material respectively play due work
Except, also formed and had complementary functions, with guarantee the stability (guaranteeing good interrupting performance) of the work of arc-chutes, breaker with
Service life is able to achieve the movement for accelerating electric arc, promotes the extinguishing of electric arc and the disjunction of breaker, and can guarantee arc-chutes
Temperature resistant grade bears higher energy, is unlikely to deform by high temperature erosion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of arc-chutes；
Fig. 2 is the transverse sectional view of arc-chutes；
Fig. 3 is the schematic diagram (only showing arc extinguishing grid pieces) of arc extinguishing chamber；
Fig. 4 is that the cross-sectional view of arc extinguishing chamber (only shows arc extinguishing grid pieces and flash barrier, main purpose shows arc extinguishing chamber
The spatial position of side wall)
Fig. 5 is the assembling schematic diagram of thermosetting bracket；
Fig. 6 is thermosetting bracket, the assembling schematic diagram for producing gas plate (arc extinguishing grid pieces in figure only show half)；
Fig. 7 is the longitudinal sectional view of breaker；
Fig. 8 is the structural schematic diagram of arc-chutes, moving contact, static contact；
Fig. 9 is the top view of breaker；
In figure: 10 be arc-chutes, and 101 be active chamber, and 102 side walls, 11 be arc extinguishing grid pieces, and 12 be flash barrier, and 121 be to allow
Position notch, 122 be step, and 13 be to produce gas plate, and 131 be grid slot, and 132 be screw, and 14 be thermosetting bracket, and 141 be air passing hole,
142 be upper buckle, and 143 be lower buckle, and 144 be cladding wall, and 20 be moving contact, and 21 be static contact, and 22 be pedestal, and 221 be installation
Room, 222 be spacing block set, and 23 be upper cover.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
The utility model is single in order to solve performance dimension existing for the arc-chutes or breaker of the prior art, that is, passes through production
The deficiencies of gas accelerates arc extinguishing, can only select one with temperature resistant grade is enhanced by thermosetting material, can not carry out performance fusion, complementation, mentions
For a kind of arc-chutes and the breaker of the arc-chutes, thermosetting material is effectively combined with gas exhausted material, Jin Erqi
To synergistic effect, i.e., thermosetting material and gas exhausted material respectively play the role of it is due except, also formed and had complementary functions, Jin Erti
Service life is risen, and guarantees good interrupting performance.
As shown in Figure 1 and Figure 2, the arc-chutes 10 include several arc extinguishing grid pieces 11, flash barrier 12, and arc extinguishing grid pieces 11 are set
It sets between two flash barriers 12；Arc extinguishing grid pieces 11 form arrangement in the height direction, and are provided with and accommodate the progress of moving contact 20
The active chamber 101 of movement, in order to make arc-chutes 10 described in the utility model be provided simultaneously with quickening arc extinction and enhance resistance to
Warm grade sets gradually on the side wall 102 for accommodating the active chamber 101 that moving contact 20 is moved and produces gas plate 13, thermosetting branch
Frame 14, thermosetting bracket 14 block between production gas plate 13 and moving contact 20.As shown in Figure 3, Figure 4, in the present embodiment, arc extinguishing grid pieces
11 include the grid foot with spacing, and active chamber 101 is mainly by the grid bottoms of the arc extinguishing grid pieces 11 arranged along short transverse
At being formed between the grid foot of all arc extinguishing grid pieces 11.Corresponding, the side wall 102 of the active chamber 101 is along height
The grid foot inner side edge of the arc extinguishing grid pieces 11 of direction arrangement is spent along opposite two planes or curved surface spatially formed.Into
And based on the side wall 102, it produces gas plate 13 and is successively superposed on side wall 102 with thermosetting bracket 14.The thermosetting branch
Frame 14 is produced using thermosetting material, and is blocked in producing between gas plate 13 and moving contact 20, then can avoid high temperature ablation, make
It produces the deformation of gas plate 13 and moving contact 20 and is contacted with the formation of gas plate 13 is produced, cause 20 clamping stagnation of moving contact.
Specifically, as shown in Figure 5, Figure 6, the cladding of thermosetting bracket 14 produces gas plate 13, offers air passing hole on thermosetting bracket 14
141, it produces gas plate 13 and is communicated by air passing hole 141 with active chamber 101, then produce the H of the generation of gas plate 132It can be from air passing hole 141
Into in active chamber 101, the pressure in arc-chutes 10 is improved, accelerates arc motion.In the present embodiment, the air passing hole
It 141 opens up for several transverse directions, the long hole of longitudinal arrangement.The air passing hole 141 of longitudinal arrangement corresponds to the arc extinguishing with certain altitude
Room 10 enables in arc-chutes 10 for accelerating the gas pressure of arc motion to reach whole uniform.The air passing hole laterally opened up
141 can cover the lateral length of entire active chamber 101 as much as possible, to add on entire lateral length to electric arc
Speed.
In order to facilitate assembly, while the part deformed by high temperature is set as little as possible, is guaranteed under high-temperature work environment
Job stability, in the utility model, thermosetting bracket 14 is using exempting from nail installation, specifically, the upper and lower ends of thermosetting bracket 14
Be respectively equipped with position-limit mechanism, thermosetting bracket 14 is installed on flash barrier 12 by position-limit mechanism, and forms longitudinal direction, and perpendicular to every
The limit in 12 direction of arc plate.Thermosetting bracket 14 is set on flash barrier 12 by position-limit mechanism, passes through the knot of position-limit mechanism
Structure design, can be realized longitudinal limit, and perpendicular to the limit in 12 direction of flash barrier, prevent thermosetting bracket 14 from vertical
To, perpendicular to falling off on 12 direction of flash barrier.In the present embodiment, 14 upper and lower ends position-limit mechanism of thermosetting bracket is respectively " L " type
Upper buckle 142, lower buckle 143,143 pairs of flash barriers 12 of the upper buckle 142 of " L " type and lower buckle form clamping limit.Installation
After in place, the upper buckle 142 of " L " type, it is lower buckle 143 vertical plane flash barrier 12 outside formed necking, can be realized vertical
Directly in the limit in 12 direction of flash barrier；The upper buckle 142 of " L " type, it is lower buckle 143 lateral face in the upper lower along shape of flash barrier 12
It is limited at clamping, longitudinal limit can be realized.
In order to guarantee the installation stability of thermosetting bracket 14, the upper of flash barrier 12 transversely offers resigning breach 121, on
Buckle 142, which is assembled to, to be installed in resigning breach 121；The lower edge of flash barrier 12 is provided with step 122, for lower buckle 143
Form contact limit.It, can be by thermosetting bracket 14 by the clamping limit of resigning breach 121 and the contact limit of step 122
It is precisely fitted into position.The mounting means for simplifying thermosetting bracket 14 simultaneously, i.e., from thermosetting bracket 14 towards the side of moving contact 20
To being slidably inserted into.
Gas plate 13 is produced in order to body more closely protect, the direction of thermosetting bracket 14 towards moving contact 20 is provided with cladding wall 144,
Coat the end face that wall 144 covers flash barrier 12, produces gas plate 13, arc extinguishing grid pieces 11.Meanwhile cladding wall 144 also can be to thermosetting branch
Installation site of the frame 14 on flash barrier 12 is positioned, and 14 excessive slip of thermosetting bracket is prevented to be inserted into.
The side for producing gas plate 13 towards arc extinguishing grid pieces 11 is provided with grid slot 131, and the correspondence of arc extinguishing grid pieces 11 is installed in grid
In slot 131, adjacent arc extinguishing grid pieces 11 are separated by grid slot 131, prevent the grid foot of arc extinguishing grid pieces 11 by
During arc erosion, puncture between grid foot and influence arc voltage, improves the class of insulation between arc extinguishing grid pieces 11,
Improve arc extinction performance.And locked by screw 132 from outside, locking produces gas plate 13, guarantee the installation stability for producing gas plate 13, from
The screw 132 that outside is locked avoids high temperature from influencing deformation far from electric arc.
Based on the arc-chutes 10, the utility model also provides a kind of breaker for assembling the arc-chutes 10, such as schemes
7, shown in Fig. 8, Fig. 9, including arc-chutes 10, moving contact 20, static contact 21, pedestal 22, in the present embodiment, static contact 21 is mounted on
The lower section of arc-chutes 10, one end of moving contact 20 are rotatably arranged on pedestal 22, and the other end is set in active chamber 101.Pedestal
221 inner wall of installation room of setting arc-chutes 10 in 22, equipped with the spacing block set 222 opposite with thermosetting bracket 14, spacing block set 222
With 14 contact of thermosetting bracket, thermosetting bracket 14 is formed in the direction towards moving contact 20 and is limited.
Further, it is additionally provided with upper cover 23, after upper cover 23 is installed in place, forms contact limit from the position of upper buckle 142
The stability of thermosetting bracket 14 is reinforced in position.
Above-described embodiment is intended merely to illustrate the utility model, and is not used as the restriction to the utility model.As long as
According to the technical essence of the utility model, above-described embodiment is changed, modification etc. will all fall in the right of the utility model
In the range of it is required that.
Claims (10)
1. a kind of arc-chutes, including several arc extinguishing grid pieces, flash barrier, arc extinguishing grid pieces are arranged between two flash barriers；Its feature
It is, setting gradually on the side wall for accommodating the active chamber that moving contact is moved and producing gas plate, thermosetting bracket, thermosetting bracket hides
It is blocked in and produces between gas plate and moving contact.
2. arc-chutes according to claim 1, which is characterized in that thermosetting bracket cladding produces gas plate, opens up on thermosetting bracket
There is air passing hole, produces gas plate and communicated by air passing hole with active chamber.
3. arc-chutes according to claim 2, which is characterized in that the air passing hole be several transverse directions open up, Zong Xiangpai
The long hole of column.
4. arc-chutes according to claim 1, which is characterized in that the upper and lower ends of thermosetting bracket are respectively equipped with position restrainer
Structure, thermosetting bracket is installed on flash barrier by position-limit mechanism, and forms longitudinal direction, and perpendicular to the limit in flash barrier direction.
5. arc-chutes according to claim 4, which is characterized in that thermosetting bracket upper and lower ends position-limit mechanism is respectively " L "
Upper buckle, the lower buckle of type, the upper buckle of " L " type and lower buckle form clamping limit to flash barrier.
6. arc-chutes according to claim 5, which is characterized in that the upper of flash barrier transversely offers resigning breach, on
Snap-fitted is to being installed in resigning breach.
7. arc-chutes according to claim 5, which is characterized in that the lower edge of flash barrier is provided with step, for lower card
It is buckle-shaped to be limited at contact.
8. arc-chutes according to claim 4, which is characterized in that the direction of thermosetting bracket towards moving contact is provided with cladding
Wall, cladding wall covering flash barrier, the end face for producing gas plate, arc extinguishing grid pieces.
9. arc-chutes according to claim 1, which is characterized in that the side for producing gas plate towards arc extinguishing grid pieces is provided with grid
Slot, arc extinguishing grid pieces correspondence are installed in grid slot；And locked by screw from outside, locking produces gas plate.
10. a kind of breaker, which is characterized in that including the described in any item arc-chutes of claim 1 to 9, moving contact, stationary contact
Head, pedestal, the installation chamber interior walls of setting arc-chutes in pedestal, equipped with the spacing block set opposite with thermosetting bracket, spacing block set with
Thermosetting top of support is supported, and is formed and is limited to thermosetting bracket in the direction towards moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628536.8U CN208970470U (en) | 2018-10-08 | 2018-10-08 | A kind of arc-chutes and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628536.8U CN208970470U (en) | 2018-10-08 | 2018-10-08 | A kind of arc-chutes and breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970470U true CN208970470U (en) | 2019-06-11 |
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| CN201821628536.8U Active CN208970470U (en) | 2018-10-08 | 2018-10-08 | A kind of arc-chutes and breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559948A (en) * | 2018-10-08 | 2019-04-02 | 厦门宏发开关设备有限公司 | A kind of arc-chutes and breaker |
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2018
- 2018-10-08 CN CN201821628536.8U patent/CN208970470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559948A (en) * | 2018-10-08 | 2019-04-02 | 厦门宏发开关设备有限公司 | A kind of arc-chutes and breaker |
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