CN108335954A - A kind of moving contact component of plug in circuit breaker - Google Patents
A kind of moving contact component of plug in circuit breaker Download PDFInfo
- Publication number
- CN108335954A CN108335954A CN201810364266.2A CN201810364266A CN108335954A CN 108335954 A CN108335954 A CN 108335954A CN 201810364266 A CN201810364266 A CN 201810364266A CN 108335954 A CN108335954 A CN 108335954A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- rack
- tripping
- contact
- lock
- 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.)
- Pending
Links
- 230000003068 static effect Effects 0.000 claims abstract description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 4
- 238000005191 phase separation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/505—Latching devices between operating and release mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/52—Contacts adapted to act as latches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of contact systems of plug in circuit breaker, including moving contact component and static contact component, the moving contact component includes moving contact rack, lock and tension spring, the moving contact rack is fixed on by rotation axis on shell, the one end of the tension spring is fixed on shell, and the other end is connected with moving contact rack；The static contact component includes static contact, mandril, iron core spring and armature；When handle is pulled to side, the handle drives moving contact rack to be swung around rotation axis by tripping, so that the lower end of moving contact rack and static contact are inconsistent, realize the connection of the two, lock coordinates with tripping at this time, keeps the lower end of moving contact rack and the inconsistent state of static contact, avoids the two poor contact, the state that moving contact is closed or separates with static contact can be effectively ensured, structure is more reliable and more stable.
Description
Technical field
The present invention relates to field of circuit breakers, more specifically, it relates to a kind of moving contact component of plug in circuit breaker.
Background technology
The structure composition of breaker generally comprises connecting terminal, magnetic tripping system, thermal tripping system, contact system and arc extinguishing
System, wherein contact system are one of most important component parts of breaker, and contact system generally comprises the stationary contact of fixed installation
Head and relative to the cephalomotor moving contact of stationary contact, a kind of structure commonplace at present are that moving contact is mounted on one and can rotate
Shaft in, when shaft drives moving contact rotation, moving contact and static contact can be made to be closed or separate, meanwhile, moving contact leads to
Axis pin is crossed in shaft, can also be rotated relative to shaft, but in use, moving contact easy tos produce shaking, no
Moving contact and static contact closure or the stabilization of separated position can be effectively ensured, contingency occurs.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of moving contact group of plug in circuit breaker
Part, can be effectively ensured the state that moving contact is closed or separates with static contact, and structure is more reliable and more stable.
To achieve the above object, the present invention provides following technical solutions：
A kind of contact system of plug in circuit breaker, including moving contact component and static contact component,
The moving contact component includes moving contact rack, lock and tension spring, and the moving contact rack is fixed by rotation axis
On shell, the one end of the tension spring is fixed on shell, and the other end is connected with moving contact rack；
The static contact component includes static contact, mandril, iron core spring and armature；
The one end of the static contact and the lower end of moving contact rack are oppositely arranged, and the other end is fixed cored；
The mandril is threaded through on iron core, and the one end of the mandril and the lower end of lock are oppositely arranged, the other end
It is arranged cored spring, and the end is matched with armature；
The upper end of the moving contact rack, which is connected by tripping with handle, to be connect；
The lock is arranged by rotation axis on moving contact rack, and the upper end of the lock is matched with tripping；
It is provided with torsional spring on moving contact rack, lock is driven to be matched with tripping；
When handle is pulled to side, the handle drives moving contact rack to be swung around rotation axis by tripping, and gained is dynamic
The lower end of contact supporting and static contact are inconsistent, and lock coordinates with tripping at this time, keep the lower end of moving contact rack with it is quiet
The inconsistent state of contact；
When short circuit, short circuit current can make iron core generation magnetic force that armature be sucked, and the armature can drive mandril to move forward
Push lock swing so that lock with tripping be separated, at this time moving contact rack can tension spring effect under around rotation axis rotation with it is quiet
Contact is separated.
The present invention is further arranged：The tripping is rotatably arranged on moving contact rack, and the one end of the tripping passes through
Connecting rod is connected with handle, and clamping part is arranged in the other end, and the lock is equipped with and the matched card slot of clamping part.
The present invention is further arranged：The static contact is provided with run-on tab, and the run-on tab is placed on arc-chutes.
The present invention is further arranged：Lateral rib is set on the madial wall of shell, and the armature offers convex with transverse direction
The matched guide groove of item, the armature can be by sliding on guide groove transversely raised line.
Advantageous effect of the present invention：When handle is pulled to side, the handle drives moving contact rack to rotate by tripping
Moving axis is swung so that the lower end of moving contact rack is inconsistent with static contact, realizes the connection of the two, and lock is matched with tripping at this time
It closes, keeps the lower end of moving contact rack and the inconsistent state of static contact, avoid the two poor contact, when short circuit, short circuit
Electric current can make iron core generation magnetic force that armature be sucked, and the armature can drive mandril to move forward and push lock swing so that latch
It is separated with tripping, moving contact rack can be separated around rotation axis rotation with static contact under tension spring effect at this time, can effectively protect
The state that card moving contact is closed or separates with static contact, structure are more reliable and more stable.
Description of the drawings
Fig. 1 is a kind of sectional view of plug in circuit breaker of the present invention
Fig. 2 is the structural schematic diagram of moving contact component；
Fig. 3 is the structural schematic diagram of lock；
Fig. 4 is the structural schematic diagram of tripping.
Reference sign：1, moving contact component；11, moving contact rack；12, it latches；121, card slot；13, tension spring；14、
Rotation axis；15, tripping；151, clamping part；16, torsional spring；2, static contact component；21, static contact；22, mandril；23, iron core spring；
24, armature；25, iron core；26, run-on tab；3, shell；4, arc-chutes；5, handle.
Specific implementation mode
A kind of contact system embodiment of plug in circuit breaker of the present invention is done further specifically with reference to attached Fig. 1 to Fig. 4
It is bright.
A kind of contact system of plug in circuit breaker, including moving contact component 1 and static contact component 2, the moving contact group
Part 1 includes that moving contact rack 11, lock 12 and tension spring 13, the moving contact rack 11 are fixed on by rotation axis 14 on shell 3,
The one end of the tension spring 13 is fixed on shell 3, and the other end is connected with moving contact rack 11；The static contact component 2
Including static contact 21, mandril 22, iron core spring 23 and armature 24；Under the one end and moving contact rack 11 of the static contact 21
End is oppositely arranged, and the other end fixes cored 25, and the static contact 21 is provided with run-on tab 26, the run-on tab 26
It is placed on arc-chutes 4.The mandril 22 is threaded through on iron core 25, and the one end of the mandril 22 is opposite with the lower end of lock 12
Setting, the other end is arranged cored spring 23, and the end is matched with armature 24；The upper end of the moving contact rack 11
Portion is connected with handle 5 by tripping 15 and is connect；The lock 12 is arranged by rotation axis 14 on moving contact rack 11, described
The upper end of lock 12 is matched with tripping 15；It is provided with torsional spring 16 on moving contact rack 11, drives lock 12 and tripping 15
It matches；
When handle 5 is pulled to side, the handle 5 drives moving contact rack 11 to be put around rotation axis 14 by tripping 15
It is dynamic so that the lower end of moving contact rack 11 and static contact 21 are inconsistent, realize the connection of the two, latch 12 and tripping 15 at this time
Cooperation keeps lower end and the inconsistent state of static contact 21 of moving contact rack 11, avoids the two poor contact, work as short circuit
When, short circuit current can make the generation magnetic force of iron core 25 that armature 24 be sucked, and the armature 24 can drive mandril 22 to move forward and push lock
Button 12 is swung so that lock 12 is separated with tripping 15, at this time moving contact rack 11 can tension spring 13 act under around 14 turns of rotation axis
It is dynamic to be separated with static contact 21, the state that moving contact rack 11 is closed or separates with static contact 21 can be effectively ensured, structure is more
Add reliable and stable.
Wherein the tripping 15 is rotatably arranged on moving contact rack 11, and the one end of the tripping 15 passes through connecting rod and hand
Handle 5 is connected, the other end be arranged clamping part 151, it is described lock 12 be equipped with 151 matched card slot 121 of clamping part, move touch
The lower end of head bracket 11 and the inconsistent state of static contact 21, card slot 121 are matched with clamping part 151, are realized to moving contact
Holder 11 controls, and ensures that moving contact rack 11 is well contacted with static contact 21,
The armature 24 can drive mandril 22 to move forward and push 12 swing of lock so that lock 12 and 15 phase of tripping point
From tension spring 13 can pull moving contact rack 11 to be rotated around rotation axis 14 so that moving contact rack 11 is separated with static contact 21.
Lateral rib is wherein set on the madial wall of shell 3, and the armature 24 offers matched with lateral rib
Guide groove, the armature 24 can be by sliding on guide groove transversely raised line so that iron core slides back and forth more reliable and more stable.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of contact system of plug in circuit breaker, it is characterized in that：Including moving contact component and static contact component,
The moving contact component includes moving contact rack, lock and tension spring, and the moving contact rack is fixed on shell by rotation axis
On body, the one end of the tension spring is fixed on shell, and the other end is connected with moving contact rack；
The static contact component includes static contact, mandril, iron core spring and armature；
The one end of the static contact and the lower end of moving contact rack are oppositely arranged, and the other end is fixed cored；
The mandril is threaded through on iron core, and the one end of the mandril and the lower end of lock are oppositely arranged, and the other end is arranged
Cored spring, and the end is matched with armature；
The upper end of the moving contact rack, which is connected by tripping with handle, to be connect；
The lock is arranged by rotation axis on moving contact rack, and the upper end of the lock is matched with tripping；
It is provided with torsional spring on moving contact rack, lock is driven to be matched with tripping；
When handle is pulled to side, the handle drives moving contact rack to be swung around rotation axis by tripping, gained moving contact
The lower end of holder and static contact are inconsistent, and lock coordinates with tripping at this time, keeps lower end and the static contact of moving contact rack
Inconsistent state；
When short circuit, short circuit current can make iron core generation magnetic force that armature be sucked, and the armature can drive mandril to move forward and push
It latches and swings so that lock is separated with tripping, around rotation axis rotation and static contact under the tension spring effect of moving contact rack meeting at this time
Phase separation.
2. a kind of contact system of plug in circuit breaker according to claim 1, it is characterized in that：The tripping rotation setting
On moving contact rack, the one end of the tripping is connected by connecting rod with handle, and clamping part, the lock is arranged in the other end
Button is equipped with and the matched card slot of clamping part.
3. a kind of contact system of plug in circuit breaker according to claim 1, it is characterized in that：The static contact is provided with
Run-on tab, the run-on tab are placed on arc-chutes.
4. a kind of contact system of plug in circuit breaker according to claim 3, it is characterized in that：On the madial wall of shell
Lateral rib is set, and the armature is offered can pass through guide groove edge cross with the matched guide groove of lateral rib, the armature
It is slided on raised line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364266.2A CN108335954A (en) | 2018-04-22 | 2018-04-22 | A kind of moving contact component of plug in circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364266.2A CN108335954A (en) | 2018-04-22 | 2018-04-22 | A kind of moving contact component of plug in circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108335954A true CN108335954A (en) | 2018-07-27 |
Family
ID=62934479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810364266.2A Pending CN108335954A (en) | 2018-04-22 | 2018-04-22 | A kind of moving contact component of plug in circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108335954A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186954Y (en) * | 1994-02-26 | 1995-01-04 | 青岛市市北长江机械厂 | Electromagnetic drag mechanism |
| CN2457727Y (en) * | 2000-10-13 | 2001-10-31 | 郑巨华 | High split small braker |
| CN103346046A (en) * | 2013-06-05 | 2013-10-09 | 温州大观电气有限公司 | Switch trip device |
| CN203941868U (en) * | 2014-06-23 | 2014-11-12 | 浙江朗万电气科技有限公司 | A kind of domestic intelligent circuit breaker |
| CN204167233U (en) * | 2014-11-24 | 2015-02-18 | 德力西电气有限公司 | Circuit breaker and fast disjunction structure and disjunction controlling organization |
| CN205016486U (en) * | 2015-10-09 | 2016-02-03 | 乐清市一锦电子有限公司 | Cross under -voltage release |
| CN205943995U (en) * | 2016-08-19 | 2017-02-08 | 温州市新蓝天电器有限公司 | Integrative circuit breaker of oil cup yoke and armature |
| CN205943996U (en) * | 2016-08-19 | 2017-02-08 | 温州市新蓝天电器有限公司 | Horizontal formula oil cup circuit breaker |
-
2018
- 2018-04-22 CN CN201810364266.2A patent/CN108335954A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186954Y (en) * | 1994-02-26 | 1995-01-04 | 青岛市市北长江机械厂 | Electromagnetic drag mechanism |
| CN2457727Y (en) * | 2000-10-13 | 2001-10-31 | 郑巨华 | High split small braker |
| CN103346046A (en) * | 2013-06-05 | 2013-10-09 | 温州大观电气有限公司 | Switch trip device |
| CN203941868U (en) * | 2014-06-23 | 2014-11-12 | 浙江朗万电气科技有限公司 | A kind of domestic intelligent circuit breaker |
| CN204167233U (en) * | 2014-11-24 | 2015-02-18 | 德力西电气有限公司 | Circuit breaker and fast disjunction structure and disjunction controlling organization |
| CN205016486U (en) * | 2015-10-09 | 2016-02-03 | 乐清市一锦电子有限公司 | Cross under -voltage release |
| CN205943995U (en) * | 2016-08-19 | 2017-02-08 | 温州市新蓝天电器有限公司 | Integrative circuit breaker of oil cup yoke and armature |
| CN205943996U (en) * | 2016-08-19 | 2017-02-08 | 温州市新蓝天电器有限公司 | Horizontal formula oil cup circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180727 |