CN212461581U - Thermomagnetic plastic shell type circuit breaker with zero arcing device - Google Patents
Thermomagnetic plastic shell type circuit breaker with zero arcing device Download PDFInfo
- Publication number
- CN212461581U CN212461581U CN202021573685.6U CN202021573685U CN212461581U CN 212461581 U CN212461581 U CN 212461581U CN 202021573685 U CN202021573685 U CN 202021573685U CN 212461581 U CN212461581 U CN 212461581U
- Authority
- CN
- China
- Prior art keywords
- arc
- circuit breaker
- zero arcing
- zero
- arcing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004880 explosion Methods 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims description 4
- 238000010891 electric arc Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241001299872 Pteropus rodricensis Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Abstract
The utility model provides a thermomagnetic plastic shell type circuit breaker with a zero arcing device, which comprises a shell and the zero arcing device, wherein the shell is provided with an arc extinguishing chamber for arc extinguishing; zero arcing device locates the arc mouth one side of letting out of explosion chamber, and it has can be to letting out the remaining arcing of arc mouth exhaust from the explosion chamber and carry out the at least one deck of inhaling the arc net of inhaling the arc, inhales the arc net and is the wavy, and wavy inhaling the arc net and can form a plurality of arc structures of inhaling of fluctuation from top to bottom, and it is better to inhale the arc effect to realize zero arcing, prevent that the arcing from causing harm to circuit and power supply equipment, fail safe nature is higher.
Description
Technical Field
The utility model relates to a mould shell type circuit breaker technical field, concretely relates to thermomagnetic formula mould shell type circuit breaker with zero arcing device.
Background
The molded case circuit breaker is also called a device type circuit breaker, all parts of the molded case circuit breaker are sealed in a plastic shell, and an auxiliary contact, a shunt release and the like are designed in a splicing type modularization mode, so that the molded case circuit breaker can be conveniently installed and maintained.
The molded case circuit breaker comprises an electronic molded case circuit breaker and a thermomagnetic molded case circuit breaker, arc extinguishing structures of the two molded case circuit breakers adopt arc extinguishing chambers and arc isolating pieces to suck and extinguish arcs, the arc extinguishing structures only can eliminate most of arcs, a small part of arcs still can be discharged out of the housing, and the part of arcs are easy to damage circuits and power supply equipment.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inside arc extinguishing structure of circuit breaker among the prior art and can't be with the whole elimination of flashover, leads to the flashover to cause the defect of harm to circuit and power supply equipment to a thermomagnetic formula plastic shell type circuit breaker that has zero flying fox device that can further eliminate the flashover is provided.
Therefore, the utility model provides a thermomagnetic type plastic shell type circuit breaker with zero arcing device, which comprises a shell and the zero arcing device, wherein the shell is provided with an arc extinguishing chamber for arc extinguishing; zero arcing device locates arc discharge port one side of explosion chamber, it has can follow at least one deck of inhaling the arc net that arc was inhaled to arc discharge port exhaust surplus arcing of explosion chamber, it is wavy to inhale the arc net.
The arc absorbing net is integrally formed by bending.
The wave shape of the arc suction net extends along the length direction of the shell.
The zero flashover device is arranged above the wiring terminal on one side of the shell.
The zero-arcing device comprises an arc isolation cover and an arc suction net arranged inside the arc isolation cover, and the arc isolation cover is fixedly connected with the shell through a mounting structure.
The mounting structure comprises a first through hole and an elastic hook structure, and the first through hole is formed in the shell and is positioned above the wiring terminal; the elastic hook structure is arranged at the top of the arc-isolating cover and penetrates through the first through hole to be connected with the top surface hook of the annular convex block surrounding the first through hole.
The elastic hook structure comprises an elastic arm arranged at the top of the arc isolation cover and a pawl arranged at the top of the elastic arm and capable of being connected with the top surface of the annular convex block in a hook mode.
The arc isolation cover is provided with an opening towards one side of the arc extinguishing chamber, and a stop block which can be abutted against the arc suction net is arranged on the side wall of the opening.
One side of the arc-isolating cover far away from the arc-extinguishing chamber is provided with a plurality of open holes.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a hot magnetic type moulded case circuit breaker with zero arcing device, zero arcing device locates the arc mouth one side of leaking of explosion chamber, it has can to leak the at least one deck of arc to inhaling from the explosion chamber arc mouth exhaust surplus arcing, it inhales the arc net, it is wavy to inhale the arc net, wavy arc net of inhaling can form a plurality of arc structures of inhaling that fluctuate from top to bottom, it is better to inhale the arc effect, thereby realize zero arcing, prevent that the arcing from causing harm to circuit and power supply equipment, fail safe nature is higher.
2. The utility model provides a shell type circuit breaker is moulded to thermomagnetic formula with zero arcing device inhales the arc net shaping of bending as an organic whole, and the structure is simpler like this, and the assembly is swift convenient.
3. The utility model provides a hot magnetic type moulded case circuit breaker with zero arcing device, the wavy length direction who follows the casing that inhales the arc net extends, sets up like this and can let to inhale the arc net and form the mesh alternately on same horizontal plane, and the effect of inhaling the arc is better, and the reliability is higher.
4. The utility model provides a hot magnetic type moulded case circuit breaker with zero flashover device, zero flashover device locate casing one side's binding post's top, like this the rational utilization space above the binding post for whole casing realizes the miniaturization.
5. The utility model provides a thermomagnetic type plastic shell type circuit breaker with zero arcing device, the mounting structure comprises a first perforation and an elastic hook structure, the first perforation is formed on the shell and is positioned above the connecting terminal; the top of arc-isolating cover is located to the elasticity couple structure, and the elasticity couple structure passes first perforation back, can be connected with the top surface hook that encircles the annular lug that first perforation set up, and the direction assembly that adopts elasticity couple structure couple to connect is more swift convenient, and the couple of elasticity couple structure and annular lug is connected has simple structure's advantage.
8. The utility model provides a hot magnetic type moulded case circuit breaker with zero arcing device, the arc isolation cover is equipped with the opening towards one side of explosion chamber, be equipped with on the open-ended limit wall can with inhale the dog that the arc net offseted, the dog plays spacing effect, can prevent to inhale the arc net and separate with the arc isolation cover.
9. The utility model provides a hot magnetic type moulded case circuit breaker with zero arcing device, the arc chamber was kept away from to separate the arc cover one side and be equipped with a plurality of trompils, played certain radiating action like this.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a thermomagnetic plastic shell type circuit breaker with zero arcing apparatus of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 3 is a perspective view of FIG. 1 with the upper cover removed;
FIG. 4 is a partially enlarged schematic view of FIG. 1;
FIG. 5 is a perspective view of a zero arcing apparatus;
FIG. 6 is a perspective view of the alternate view of FIG. 4;
FIG. 7 is a schematic diagram of the exploded structure of FIG. 6;
fig. 8 is a cross-sectional view of fig. 6.
Description of reference numerals: 1. a housing; 11. an arc extinguishing chamber; 12. a wiring terminal; 13. a first perforation; 14. an annular projection; 2. an arc suction net; 3. an arc-isolating shield; 31. an opening; 32. a stopper; 33. opening a hole; 4. an elastic hook structure; 41. a resilient arm; 42. and (6) chamfering.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Examples
The present embodiment provides a thermomagnetic molded case circuit breaker with a zero arcing device, as shown in fig. 1 and 2, comprising a housing 1 and the zero arcing device.
The shell 1 is provided with an arc extinguishing chamber 11 for arc extinguishing, as shown in fig. 1, 3 and 4, a first through hole 13 is formed in the shell 1, the first through hole 13 is located above the wiring terminal 12, and the annular convex block surrounds the first through hole 13.
Zero arcing device, as shown in fig. 2-8, locate arc mouthful one side of letting out of explosion chamber 11, just zero arcing device locates binding post 12's of casing 1 one side top, it has can be to following arc mouthful exhaust surplus arcing of explosion chamber 11 is let out and is inhaled the arc net 2 that inhales of arc, inhale the wavy of arc net 2 shaping of bending as an organic whole, just inhale the wavy of arc net 2 and follow the length direction of casing 1 extends, zero arcing device includes arc insulating cover 3, and locates inside the arc insulating cover 3 inhale arc net 2, the top of arc insulating cover 3 is equipped with elastic hook structure 4, elastic hook structure 4 passes behind first perforation 13, can be connected with the top surface hook of annular lug 14, elastic hook structure 4 is including locating the elastic arm 41 at arc insulating cover 3 top, and locate elastic arm 41 top portion, a little, Can with the pawl 42 that annular lug 14 top surface hook is connected, separate arc hood 3 orientation one side of explosion chamber 11 is equipped with opening 31, be equipped with on opening 31's the limit wall can with inhale the dog 32 that arc net 2 offseted, separate arc hood 3 and keep away from one side of explosion chamber 11 is equipped with a plurality of trompils 33. In this embodiment, the arc absorbing net 2 is made of stainless steel.
The utility model provides a hot magnetic type moulded case circuit breaker with zero arcing device, zero arcing device locates arc extinguishing chamber 11 let out arc mouth one side, it has can be to letting out arc mouth exhaust surplus arcing from arc extinguishing chamber 11 and inhale at least one deck of arc and inhale arc net 2, it is wavy to inhale arc net 2, wavy arc of inhaling net 2 can form a plurality of arc structures of inhaling that fluctuate from top to bottom, it is better to inhale the arc effect, thereby realize zero arcing, prevent that the arcing from causing harm to circuit and power supply equipment, fail safe nature is higher.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A thermomagnetic molded case circuit breaker with zero arcing apparatus, comprising:
a housing (1) having an arc extinguishing chamber (11) for extinguishing an arc;
zero arcing device locates arc discharge port one side of explosion chamber (11), it has can be to following arc discharge port exhaust surplus arcing of explosion chamber (11) carries out at least one deck of inhaling the arc net (2) of inhaling the arc, it is wavy to inhale arc net (2).
2. The thermomagnetic molded case circuit breaker with zero arcing device according to claim 1, wherein the arc absorbing network (2) is formed by bending integrally.
3. Thermomagnetic molded case circuit breaker with zero arcing device according to claim 2, characterized in that the wave shape of the arc-absorbing network (2) extends along the length direction of the case (1).
4. Thermomagnetic molded case circuit breaker with zero arcing device according to claim 3, characterized in that the zero arcing device is arranged above the terminals (12) on one side of the casing (1).
5. The thermomagnetic molded case circuit breaker with zero arcing device according to claim 4, characterized in that the zero arcing device comprises an arc-isolating shield (3) and the arc-absorbing net (2) arranged inside the arc-isolating shield (3), and the arc-isolating shield (3) is fixedly connected with the housing (1) through a mounting structure.
6. The thermomagnetic molded case circuit breaker with zero arcing apparatus of claim 5, wherein the mounting structure comprises:
the first through hole (13) is formed in the shell (1) and is positioned above the wiring terminal (12);
elastic hook structure (4) is located the top of separating arc cover (3), elastic hook structure (4) pass behind first perforation (13), can with encircle the top surface hook of annular lug (14) that first perforation (13) set up is connected.
7. The thermomagnetic molded case circuit breaker with zero arcing device according to claim 6, wherein the elastic hook structure (4) comprises an elastic arm (41) disposed on the top of the arc-isolating shield (3), and a pawl (42) disposed on the top of the elastic arm (41) and capable of hooking and connecting with the top surface of the annular protrusion (14).
8. Thermomagnetic molded case circuit breaker with zero arcing device according to any of claims 5 to 7, characterized in that the arc-isolating shield (3) has an opening (31) on the side facing the arc-extinguishing chamber (11), and the wall of the opening (31) has a stop (32) that can abut against the arc-absorbing net (2).
9. Thermomagnetic molded case circuit breaker with zero arcing device according to claim 8, characterized in that the arc chute (3) is provided with a plurality of openings (33) on the side remote from the arc extinguishing chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573685.6U CN212461581U (en) | 2020-07-31 | 2020-07-31 | Thermomagnetic plastic shell type circuit breaker with zero arcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573685.6U CN212461581U (en) | 2020-07-31 | 2020-07-31 | Thermomagnetic plastic shell type circuit breaker with zero arcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212461581U true CN212461581U (en) | 2021-02-02 |
Family
ID=74476676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021573685.6U Active CN212461581U (en) | 2020-07-31 | 2020-07-31 | Thermomagnetic plastic shell type circuit breaker with zero arcing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212461581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745073A (en) * | 2021-09-03 | 2021-12-03 | 巨邦集团有限公司 | Molded case circuit breaker with zero flashover device |
-
2020
- 2020-07-31 CN CN202021573685.6U patent/CN212461581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745073A (en) * | 2021-09-03 | 2021-12-03 | 巨邦集团有限公司 | Molded case circuit breaker with zero flashover device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110198503B (en) | Wireless earphone | |
| CN212461581U (en) | Thermomagnetic plastic shell type circuit breaker with zero arcing device | |
| TW201342691A (en) | Top cap assembly of novel structure | |
| KR100572178B1 (en) | Portable electric apparatus including battery therein | |
| CA2258332C (en) | Transient voltage surge suppressor with internal barriers | |
| CN210073989U (en) | Battery module | |
| CN211830200U (en) | Surge protector | |
| CN100583342C (en) | Relay | |
| CN207489689U (en) | A kind of mini MSD manually | |
| CN214254325U (en) | Thermomagnetic molded case circuit breaker with zero arcing device | |
| CN213601824U (en) | Zero-arcing plastic shell type circuit breaker | |
| EP3291335A1 (en) | Secondary electrochemical battery sealing body with charge indicating lamp | |
| CN219575542U (en) | Circuit breaker with arc extinguishing net cover | |
| CN217468946U (en) | Waterproof through connector | |
| CN217061949U (en) | Circuit breaker structure | |
| CN219180826U (en) | Flexible circuit board with elastic plug | |
| CN216250611U (en) | Internal gas shunting structure of miniature circuit breaker | |
| CN217562776U (en) | Battery and electronic device | |
| CN215575813U (en) | Compact CWDM4 optical module | |
| CN209806011U (en) | Sound equipment | |
| CN114615805B (en) | Circuit board assembly and adapter | |
| CN113745073A (en) | Molded case circuit breaker with zero flashover device | |
| CN217656859U (en) | Oxygenerator that possesses waterproof function | |
| CN216871881U (en) | Backup protection circuit breaker | |
| CN219626950U (en) | Male connector, female connector and power connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |