CN106409541A - Contact structure having non-0 rigid separation speed - Google Patents
Contact structure having non-0 rigid separation speed Download PDFInfo
- Publication number
- CN106409541A CN106409541A CN201610840189.4A CN201610840189A CN106409541A CN 106409541 A CN106409541 A CN 106409541A CN 201610840189 A CN201610840189 A CN 201610840189A CN 106409541 A CN106409541 A CN 106409541A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact
- lance
- bridge
- speed
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a contact structure having non-0 rigid separation speed, belonging to the technical field of power electronics. The contact structure comprises a movable contact bridge; a first movable contact and a second movable contact are arranged on the movable contact bridge; the contact structure further comprises a static contact and a collision rod; the static contact is opposite to the first movable contact; and the collision rod is opposite to the second movable contact. When separating is carried out, the collision rod collides the second movable contact, so that the second movable contact has the speed and drives the movable contact bridge; and thus, the first movable contact and the static contact are rapidly separated at the non-0 rigid separation speed.
Description
Technical field
The present invention relates to a kind of just-off speed is not 0 structure of contact terminal, belong to electric and electronic technical field.
Background technology
Structure of contact terminal is the basic structure of conventional switching device.Opening time is the important parameter of structure of contact terminal, general and
Speech opening time is more short better, and one is quick-speed turning on-off fault current；Two is to avoid arcing, or the arc time long cause contact burn
Damage even melting welding.
Opening time depends on opening velocity.Because when switch is in closure state, the initial velocity of moving contact is 0, institute
Speed is needed to be normally defined just point rear a period of time during with separating brake（Or a segment distance）Average speed.
Switching device in "on" position, moving contact in structure of contact terminal and static contact geo-stationary.In the prior art,
Moving contact need to accelerate under certain effect power by 0, then departs from static contact to certain distance with certain speed.Opening velocity
Size depends on the size to moving contact active force, that is, correspond to the energy storage size of tripping spring.For improving opening velocity, need to increase
The energy content of tripping spring, the mechanical strength of this output work that will improve operating mechanism and whole machine, thus cost increases, reduces
Technical-economic index.Not yet find the switch product that just-off speed is not 0 at present.
Content of the invention
Purpose is the structure of contact terminal providing a kind of just-off speed not to be 0, realizes electrical network and quickly disconnects, and ensures power system
Safety.Be employed technical scheme comprise that：
A kind of just-off speed is not 0 structure of contact terminal, including：Dynamic tactile bridge, it connects one end of power network line；On described dynamic tactile bridge
It is provided with the first movable contact and the second movable contact；Static contact, it is relative with the first movable contact, and connects the other end of power network line；
Lance, it is relative with the second movable contact.
During separating brake, described lance clashes into the second movable contact makes the second movable contact obtain speed and drive dynamic tactile bridge, makes first
Movable contact is separated with static contact, disconnects power network line.
Further, the end face of described lance is arc.
Further, the end face of described second movable contact is arc.
Further, the quality of described lance is more than the described dynamic overall matter touching bridge, the first movable contact and the second movable contact
Amount.
Further, the maximum position of the motion of described lance is higher than described second movable contact, makes shock second movable contact
Still move forward afterwards, push away described dynamic tactile bridge.
Compared with prior art, the present invention realizes the just-off speed of certain value, so that electrical network is quickly disconnected.Due to lance and
The impact moment of two movable contacts completes, and collision time is negligible with respect to the acceleration time of the prior art, sends out in collision
Drive the first movable contact to obtain the speed of certain value after life, be rapidly separated static contact.
Lance still travels forward it is ensured that the first movable contact and static contact efficiently separate after clashing into the second movable contact, it is to avoid because
Bounce for the dynamic bridge that touches, close with static contact again after rebounding.Second movable contact is arc with the end face of lance, and raising is touched
Hitting effect, realize the efficient transfer of momentum, making the higher speed of the instantaneous acquisition of the second moving contact, thus driving the first movable contact fast
Speed departs from static contact.
The structure of contact terminal design of the present invention is simple, and rationally, device performance is high for mechanism；Meanwhile, reduce and contact spring system etc. is grasped
The mechanical property requirements of motivation structure, thus reduce product cost.
Brief description
Fig. 1 is the structure of contact terminal schematic diagram that a kind of just-off speed is not 0, and in figure is closure state.
Fig. 2 is structure of contact terminal off-state schematic diagram.
Specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described：
As shown in Figure 1, the structure of contact terminal of this example includes dynamic tactile bridge（101）, static contact（201）And lance（301）.
Dynamic tactile bridge（101）Connect one end of power network line, move and touch bridge（101）It is provided with the first movable contact（102）With second
Movable contact（103）, the second movable contact（102）End face be arc.Static contact（201）With the first movable contact（102）Relatively, and even
Get access to grid the other end of circuit.Lance（301）With the second movable contact（103）Relative, and lance（301）End face be arc, and
And lance（301）Quality be more than the second movable contact（103）Total quality.
As shown in Figure 2, in separating brake, lance（301）Clash into the second movable contact（103）Make the second movable contact（103）
Obtain speed and drive the first movable contact, make the first movable contact（102）With static contact（201）Separate.Because lance and second moves
The impact moment of contact completes, and collision time is negligible with respect to the acceleration time of the prior art, after collision occurs
Dynamic tactile bridge obtains the speed of certain value immediately, is rapidly separated static contact.
Dynamic tactile bridge（101）Ensure enough rigidity, and the first movable contact（102）With the second movable contact（103）Between
Distance should be as far as possible little, or the structure that setting is integrated is it is only necessary to retain lance（301）Space shared by placement and movement travel is
Can, the first movable contact after ensureing to clash into this（102）In the second movable contact（103）Drive lower moment start.
Lance（301）The maximum position of motion is higher than described static contact（201）.Lance clashes into the second movable contact（103）Afterwards
Still travel forward it is ensured that the first movable contact（102）With static contact（201）Efficiently separate.
Above description is the specific embodiment of the present invention, and each illustration does not constitute limit to the flesh and blood of the present invention
System, person of ordinary skill in the field makes an amendment to aforesaid specific embodiment or deforms, without departing substantially from the essence of the present invention.
Claims (5)
1. a kind of just-off speed is not 0 structure of contact terminal it is characterised in that including：
Dynamic tactile bridge, the described dynamic bridge that touches is provided with the first movable contact and the second movable contact；
Static contact, it is relative with the first movable contact, and connects the other end of power network line；
Lance, it is relative with the second movable contact；
During separating brake, after described lance accelerates, clash into the second movable contact make the second movable contact obtain speed and drive dynamic touch bridge, make the
One movable contact is separated with static contact, disconnects power network line.
2. structure of contact terminal as claimed in claim 1 is it is characterised in that described lance, its quality be more than described dynamic touch bridge, first
Movable contact and the total quality of the second movable contact.
3. structure of contact terminal as claimed in claim 2 is it is characterised in that the end face of described lance is arc.
4. structure of contact terminal as claimed in claim 3 is it is characterised in that the end face of described second movable contact is arc.
5. it is characterised in that described lance, the maximum position of its motion is higher than described to structure of contact terminal as claimed in claim 4
Second movable contact, still moves forward after making shock second movable contact, pushes away described dynamic tactile bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840189.4A CN106409541A (en) | 2016-09-22 | 2016-09-22 | Contact structure having non-0 rigid separation speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840189.4A CN106409541A (en) | 2016-09-22 | 2016-09-22 | Contact structure having non-0 rigid separation speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106409541A true CN106409541A (en) | 2017-02-15 |
Family
ID=57997424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610840189.4A Pending CN106409541A (en) | 2016-09-22 | 2016-09-22 | Contact structure having non-0 rigid separation speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106409541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120629A (en) * | 2018-02-06 | 2019-08-13 | Ls产电株式会社 | Switchgear with earthing switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269992Y (en) * | 1996-11-18 | 1997-12-10 | 杨盛荣 | Train collision control switch |
| CN1619732A (en) * | 2004-08-10 | 2005-05-25 | 浙江正泰电器股份有限公司 | Biimpact fast switching device |
| CN101345159A (en) * | 2008-08-20 | 2009-01-14 | 朱英年 | Temperature controller with temperature control and protection function |
| CN204332830U (en) * | 2015-01-22 | 2015-05-13 | 海盐东灵电器有限公司 | The reset bimetallic temperature controller that a kind of high temperature resistant sensitivity is adjustable |
| CN104992878A (en) * | 2015-07-24 | 2015-10-21 | 佛山市川东磁电股份有限公司 | Multifunctional ceramic dual temperature controller and electric heating container using same |
-
2016
- 2016-09-22 CN CN201610840189.4A patent/CN106409541A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269992Y (en) * | 1996-11-18 | 1997-12-10 | 杨盛荣 | Train collision control switch |
| CN1619732A (en) * | 2004-08-10 | 2005-05-25 | 浙江正泰电器股份有限公司 | Biimpact fast switching device |
| CN101345159A (en) * | 2008-08-20 | 2009-01-14 | 朱英年 | Temperature controller with temperature control and protection function |
| CN204332830U (en) * | 2015-01-22 | 2015-05-13 | 海盐东灵电器有限公司 | The reset bimetallic temperature controller that a kind of high temperature resistant sensitivity is adjustable |
| CN104992878A (en) * | 2015-07-24 | 2015-10-21 | 佛山市川东磁电股份有限公司 | Multifunctional ceramic dual temperature controller and electric heating container using same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120629A (en) * | 2018-02-06 | 2019-08-13 | Ls产电株式会社 | Switchgear with earthing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |