CN205789819U - A kind of novel breaker - Google Patents
A kind of novel breaker Download PDFInfo
- Publication number
- CN205789819U CN205789819U CN201620756059.8U CN201620756059U CN205789819U CN 205789819 U CN205789819 U CN 205789819U CN 201620756059 U CN201620756059 U CN 201620756059U CN 205789819 U CN205789819 U CN 205789819U
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- arc
- snap close
- contact
- frame
- conductive component
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Abstract
This utility model relates to circuit components field, particularly relates to a kind of novel breaker.A kind of novel breaker, including housing, and is arranged on the end of incoming cables conductive component of enclosure interior, leading-out terminal conductive component, electromagnetic system and operating mechanism；Described leading-out terminal conductive component is connected with electromagnetic system, and electromagnetic system end connects static contact, end of incoming cables conductive component connects and has moving contact, moving contact to be arranged on operating mechanism, and operating mechanism drives moving contact to be rotatably assorted with static contact；On the one hand this chopper can carry out disjunction to circuit under short-circuit condition and overload, and disjunction is effective；On the other hand can arc extinguishing fast and effectively, the quenching time is short, thus ensures the use safety of chopper.
Description
Technical field
This utility model relates to circuit components field, particularly relates to a kind of novel breaker.
Background technology
Chopper refers to the electric current under the conditions of connection, carrying and disjunction normal circuit, also can be improper specify
Under the conditions of (such as overload, short circuit etc.) connect, carry the device for switching of certain time and breaking current.In breaker closing, disjunction
Moment, electric arc (when meeting or exceeding certain value such as voltage, electric current), will be produced when certain conditions are met between contact,
If our life and property safety can not also will be constituted a threat to by chopper by arc extinction timely and effectively.Therefore, disconnected
Disjunction (arc extinguishing) performance of road device is extremely important；Its breaking current ability includes the breaking capacity under short-circuit condition and overload
Under breaking capacity.But, existing chopper existence following both sides weak point: 1, existing chopper cannot ensure simultaneously
Under short-circuit condition and overload, circuit is carried out disjunction, need to improve；2, the arc quenching effect of the arc-control device of existing chopper
The best, puncture after blow-out overlong time, arc extinction and restrike, cause the chopper can not disengagement failure circuit timely and effectively.
Summary of the invention
In order to solve the problems referred to above, the purpose of this utility model is to provide a kind of novel breaker, this chopper one side
Face can carry out disjunction to circuit under short-circuit condition and overload, and disjunction is effective；On the other hand can be fast and effectively
Arc extinguishing, the quenching time is short, thus ensures the use safety of chopper.
In order to realize above-mentioned purpose, this utility model have employed following technical scheme:
A kind of novel breaker, including housing, and is arranged on the end of incoming cables conductive component of enclosure interior, leading-out terminal conduction
Parts, electromagnetic system and operating mechanism；Described leading-out terminal conductive component is connected with electromagnetic system, and electromagnetic system end connects
Having static contact, end of incoming cables conductive component connects and has moving contact, moving contact to be arranged on operating mechanism, operating mechanism drives moving contact
It is rotatably assorted with static contact；It is characterized in that:
Described operating mechanism includes handle and the contact rack being hinged on housing, and the snap close frame being hinged on contact rack
With tripping frame, and the reset tension spring being connected with contact rack；Described moving contact is fixed on contact rack, contact rack and thereon
Tripping frame is connected by handle and connecting rod with handle, and snap close frame is connected with described tripping frame snap close；
Described end of incoming cables conductive component connects moving contact by sheet metal, and snap close frame is provided with and is oppositely arranged with sheet metal
Thread off and link up with；When circuit overloads, sheet metal heating bends touching dropout hook, and releases the snap close pass of snap close frame and tripping frame
System；
Described electromagnetic system includes stem stem, and is wound around the coil groups that stem stem is arranged, and is axially located in stem stem
Push rod；Described push rod is axially facing described snap close frame, and when short circuit, push rod axially promotes snap close frame, and releases snap close frame
Snap close relation with tripping frame；
Described enclosure interior is provided with arc-chutes, and the lower end of arc-chutes is led arc plate and is connected with end of incoming cables conductive component under passing through
Connect, the upper end of arc-chutes by lead arc plate and be connected with electromagnetic system；Described case inside wall is provided with leads arc passage, leads
Arc passage is that arc guiding groove upper end is in the contact area of static contact Yu moving contact by some arc arc guiding grooves of concentric arrangement
In, described arc-chutes are pointed in arc guiding groove bottom.
This utility model uses technique scheme, this chopper existence following both sides advantage:
1, chopper can carry out disjunction to circuit under short-circuit condition and overload, has that disjunction is effective, safety
The advantage that property is high.Specifically, the operating mechanism of chopper drives moving contact to be rotatably assorted with static contact；When moving contact and static contact
When contacting, circuit ON, contact rack and tripping frame thereon are pinned location by snap close frame；When circuit overloads, sheet metal is sent out
Thermal flexure touching is threaded off and is linked up with and snap close frame is rotated, snap close frame and the snap close relation broken of tripping frame, and contact rack is resetting
Reset under the effect of extension spring, it is achieved circuit breaker；When short circuit, the field drives push rod that electromagnetic system produces axially moves
Dynamic, push rod promotes snap close frame to make it rotate, and snap close frame and the snap close relation broken of tripping frame, contact rack is in the effect of reset tension spring
Lower reset, it is achieved circuit breaker.
2, this circuit breaker internal is provided with arc-chutes, and housing is provided with some arc arc guiding grooves, arc arc guiding groove upper end
Being in the contact area of static contact and moving contact, described arc-chutes are pointed in arc arc guiding groove bottom.In circuit breaker closing splitting or integrating
Disconnected moment, static contact can produce electric arc in the contact area of moving contact, this electric arc by arc arc guiding groove can quickly guide to
Arc-chutes, reach the effect of fast arc extinction, are more beneficial for cooling and the extinguishing of electric arc, thus shorten the quenching time, alleviate
Scaling loss to contact, extends the service life of chopper.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described in further detail.
A kind of chopper as shown in Figure 1 and Figure 2, including housing 1, and is arranged on the end of incoming cables conductive part within housing 1
Part 11, leading-out terminal conductive component 12, electromagnetic system and operating mechanism.Described leading-out terminal conductive component 12 is connected with electromagnetic system
Connecing, electromagnetic system end connects static contact 13, and end of incoming cables conductive component 11 connects has moving contact 14, moving contact 14 to arrange
At operating mechanism, operating mechanism drives moving contact 14 to be rotatably assorted with static contact 13.
Described operating mechanism includes handle 21 and the contact rack 22 being hinged on housing 1, and is hinged on contact rack 22
Snap close frame 23 and tripping frame 24, and the reset tension spring 25 being connected with contact rack 22.Described moving contact 14 is fixed on contact
On frame 22, contact rack 22 and tripping frame 24 thereon are connected by handle 21 connecting rod with handle 21, snap close frame 23 and described jumping
Buckle frame 24 snap close is connected.Described end of incoming cables conductive component 11 connects moving contact 14 by sheet metal 15, snap close frame 23 be provided with
The dropout hook 26 that sheet metal 15 is oppositely arranged.When circuit overloads, sheet metal 15 heating bending touching dropout hook 26, and solve
Snap close relation except snap close frame 23 with tripping frame 24.Described electromagnetic system includes stem stem 27, and is wound around the line that stem stem 27 is arranged
Circle group 28, and the push rod 29 being axially located in stem stem 27.Described push rod 29 is axially facing described snap close frame 23, when circuit is short
Lu Shi, push rod 29 axially promotes snap close frame 23, and releases the snap close relation of snap close frame 23 and tripping frame 24.
In said structure, chopper can carry out disjunction to circuit under short-circuit condition and overload, has disjunction effect
Advantage the best, that safety is high.Specifically, the operating mechanism of chopper drives moving contact 14 to be rotatably assorted with static contact 13.When
When moving contact 14 contacts with static contact 13, circuit ON, it is fixed that contact rack 22 and tripping frame 24 thereon are pinned by snap close frame 23
Position.When circuit overloads, sheet metal 15 heating bends touching dropout hook 26 and also snap close frame 23 is rotated, snap close frame 23 and jumping
The snap close relation broken of buckle frame 24, contact rack 22 resets under the effect of reset tension spring 25, it is achieved circuit breaker.At short circuit
Time, the field drives push rod 29 that electromagnetic system produces moves axially, and push rod 29 promotes snap close frame 23 to make it rotate, snap close frame 23 with
The snap close relation broken of tripping frame 24, contact rack 22 resets under the effect of reset tension spring 25, it is achieved circuit breaker.
Described housing 1 is internally provided with arc-chutes 16, and the lower end of arc-chutes 16 is led arc plate 17 and conducted electricity with end of incoming cables under passing through
Parts 11 are connected, the upper end of arc-chutes 16 by lead arc plate 18 and be connected with electromagnetic system.In described housing 1 interior sidewall surface
Being provided with and lead arc passage, leading arc passage is that arc guiding groove upper end is in static contact by some arc arc guiding grooves 19 of concentric arrangement
13 with in the contact area a of moving contact 14, and described arc-chutes 16 are pointed in arc guiding groove bottom.In said structure, circuit breaker internal
Being provided with arc-chutes 16, housing 1 is provided with some arc arc guiding grooves 19, and arc arc guiding groove 19 upper end is in static contact 13 and moves
In the contact area of contact 14, described arc-chutes 16 are pointed in arc arc guiding groove 19 bottom.In breaker closing, disjunction moment,
Static contact 13 can produce electric arc in the contact area of moving contact 14, and this electric arc can quickly be guided to going out by arc arc guiding groove 19
Arc chamber 16, reaches the effect of fast arc extinction, is more beneficial for cooling and the extinguishing of electric arc, thus shortens the quenching time, alleviates
Scaling loss to contact, extends the service life of chopper.
It should be appreciated that above-mentioned detailed description of the invention of the present utility model is used only for exemplary illustration or explains this reality
By novel principle, and do not constitute restriction of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.Additionally,
This utility model claims are intended to fall into scope and border or this scope and border
Whole changes in equivalents and modification.
Claims (1)
1. a novel breaker, including housing, and is arranged on the end of incoming cables conductive component of enclosure interior, leading-out terminal conductive part
Part, electromagnetic system and operating mechanism；Described leading-out terminal conductive component is connected with electromagnetic system, and electromagnetic system end connects to be had
Static contact, end of incoming cables conductive component connects and has moving contact, moving contact to be arranged on operating mechanism, operating mechanism drive moving contact with
Static contact is rotatably assorted；It is characterized in that:
Described operating mechanism includes handle and the contact rack being hinged on housing, and the snap close frame that is hinged on contact rack and jumping
Buckle frame, and the reset tension spring being connected with contact rack；Described moving contact is fixed on contact rack, contact rack and tripping thereon
Frame is connected by handle and connecting rod with handle, and snap close frame is connected with described tripping frame snap close；
Described end of incoming cables conductive component connects moving contact by sheet metal, and snap close frame is provided with the dropout being oppositely arranged with sheet metal
Hook；When circuit overloads, sheet metal heating bending touching is threaded off and is linked up with, and releases the snap close relation of snap close frame and tripping frame；
Described electromagnetic system includes stem stem, and is wound around the coil groups that stem stem is arranged, and is axially located in the push rod in stem stem；
Described push rod is axially facing described snap close frame, and when short circuit, push rod axially promotes snap close frame, and releases snap close frame and tripping
The snap close relation of frame；
Described enclosure interior is provided with arc-chutes, and the lower end of arc-chutes is led arc plate and is connected with end of incoming cables conductive component under passing through,
The upper end of arc-chutes by lead arc plate and be connected with electromagnetic system；Described case inside wall is provided with leads arc passage, leads arc
Passage is that arc guiding groove upper end is in the contact area of static contact Yu moving contact by some arc arc guiding grooves of concentric arrangement
In, described arc-chutes are pointed in arc guiding groove bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756059.8U CN205789819U (en) | 2016-07-15 | 2016-07-15 | A kind of novel breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756059.8U CN205789819U (en) | 2016-07-15 | 2016-07-15 | A kind of novel breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789819U true CN205789819U (en) | 2016-12-07 |
Family
ID=58121935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620756059.8U Active CN205789819U (en) | 2016-07-15 | 2016-07-15 | A kind of novel breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789819U (en) |
-
2016
- 2016-07-15 CN CN201620756059.8U patent/CN205789819U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |