CN107331557A - A kind of trigger switch - Google Patents
A kind of trigger switch Download PDFInfo
- Publication number
- CN107331557A CN107331557A CN201710784340.1A CN201710784340A CN107331557A CN 107331557 A CN107331557 A CN 107331557A CN 201710784340 A CN201710784340 A CN 201710784340A CN 107331557 A CN107331557 A CN 107331557A
- Authority
- CN
- China
- Prior art keywords
- contact
- moving contact
- moving
- static
- electric capacity
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
Landscapes
- Push-Button Switches (AREA)
Abstract
A kind of trigger switch, include moving contact, it is pre- to close contact, static contact, static contact binding post, elastic insulated support, electric capacity A sides lead, electric capacity, electric capacity B sides lead, moving contact binding post, moving contact housing hinge hole, articulated stand, button, button insulated connecting rod, button connecting rod movable span, housing, spring, the link fraising of button connecting rod, moving contact connector, moving contact intermediate link reams, load, power supply to moving contact binding post lead, static contact binding post extremely loads the lead of B sides, A sides are loaded to the lead of power supply, power supply A binding posts, power supply B binding posts.A kind of trigger switch of the present invention, according to the π fc formula of electric capacity capacitive reactance formula Xc=1/2, using the contact voltage of the decompression current limliting principle of electric capacity, fundamentally reduction contact contact, so as to reduce the intensity of contact electric spark, protects the contact point of contact.
Description
Technical field
The present invention relates to point driving switch technical field, more particularly to a kind of trigger switch.
Background technology
In Electric control application, generally with electric elements control electric current break-makes, its on-off such as switch, contactors
Contact cause the contact resistance of contact to increase because of electric spark, electric spark is more big more is easily caused contact surface and produces resistance, this
Plant electric spark and even burn out contact, make circuit malfunctions.State Patent Office discloses patent CN200810066620 double-contacts
Still a kind of mechanical system reduces contact spark in switching technique, this technical spirit, without fundamentally solution contact
The reason for contact produces contact electric spark.
The present invention is according to the characteristic of electric capacity, and using the decompression current limliting principle of electric capacity, fundamentally reduction contacts connecing for contact
Get an electric shock and press, so as to reduce the intensity of contact electric spark, protect the contact point of contact.
The content of the invention
Technology to be solved by this invention, be to provide it is a kind of can reduce the structure of contact terminal of contact voltage, this structure can
Effectively to reduce the voltage of Contact Breaking/Making Operations moment, the intensity of spark is reduced, contact is reduced and damages.Electric capacity is used as conventional electronics member
Part, its characteristic for being depressured current limliting is used for alternating current circuit, can effectively solve the problem that electric switch contacts the contact voltage of contact, so as to drop
The contact electric spark intensity of low contact contact, protects contact.It is a kind of tactile according to electric capacity capacitive reactance formula Xc=1/2 π fc selection present invention
Send out the capacity of the electric capacity of switch.
Signified a kind of trigger switch of the invention is point driving switch.
A kind of trigger switch of the present invention, its contact includes moving contact, closes contact, static contact in advance.It is pre- to close contact and static contact
Between be connected with electric capacity, the pre- contact that closes is combined together with static contact by elastic insulated support, and static contact is arranged at electric elements
Housing in, housing is additionally provided with the devices such as button, button insulated connecting rod, spring.
A kind of trigger switch, pre- contact and the static contact of closing is connected with electric capacity, moving contact to static contact move when, move and touch
Head first with it is pre- close contact and compress it is pre- close the elastic insulated support of contact, then moving contact, it is pre- close contact simultaneously again with it is quiet
Contact.
Electric capacity one end connection is pre- to close contact, and other end connection static contact is pre- to close contact and static contact with electric capacity for simultaneously
Connection connection.
Described moving contact one end is provided with contact, and the other end is provided with moving contact housing hinge hole, passes through moving contact hinge
The housing connection of support and electric elements, the appropriate location between contact and moving contact housing hinge hole is provided with moving contact
Between link fraising, moving contact intermediate link fraising and moving contact connector it is hinged, the appropriate location of moving contact is provided with
Moving contact binding post.
The spring one end is fixed on housing, and the other end is fixed on moving contact connector.
Described pre- conjunction contact one end is provided with double-sided contacts, and the contact respectively with moving contact and static contact is corresponding, separately
One end is linked together by elastic insulated support and static contact.
Described static contact one end is provided with contact, and corresponding with the pre- contact for closing contact, and the other end is provided with static contact
Binding post.
The moving contact, close contact, the contact between static contact in advance, refer to the contact of moving contact, the pre- contact for closing contact,
The contact of the contact of static contact.
The power -line terminal A, power -line terminal B, refer to AC power.
A kind of trigger switch, the combined floodgate course of work is divided into two steps：
First step：When pressing button downwards, button insulated connecting rod promotes moving contact connector to drive moving contact to stationary contact
Head motion, while pulling spring energy-storage, moving contact closes contact with pre- first, and at this moment, current pathway is：Power supply B wiring
Post --- the lead of power supply to moving contact binding post --- moving contact binding post --- moving contact --- closing contact in advance --- electric capacity B
--- --- --- static contact --- static contact binding post --- static contact binding post 4 is to negative for electric capacity A sides lead for electric capacity for side lead
Carrying 20B sides lead, --- power supply A binding posts, now, electric current is in capacitance decompression for load --- lead of load A sides to power supply ---
Under metering function, the electric current in the circuit is smaller, and moving contact and the pre- contact voltage closed between contact are reduced, and electric spark is also smaller,
Protect moving contact and the pre- contact contact for closing contact.The circuit of this job step is initialization circuit.
Second step：After first job step, continue to press button, button insulated connecting rod promotes moving contact connection
Body continues to drive moving contact to move to static contact direction, and moving contact promotes the pre- contact that closes to be moved to static contact, and moving contact passes through pressure
The dynamic pre- elastic insulated support for closing contact, starting to press on pre- conjunction contact, elastic insulated support, which is pressurized, produces deformation, is touched in pre- close
Shunk on direction between head and static contact, the pre- contact that closes is closed with static contact, and now, electric capacity is short-circuited, and current pathway is：Electricity
--- --- moving contact binding post --- moving contact --- closes touch in advance the lead of power supply to moving contact binding post source B binding posts
Head --- static contact --- static contact binding post --- static contact binding post 4 to load 20B side leads --- load --- load A
Side is to lead --- the power supply A binding posts of power supply, and 2 points of voltage is equal to capacitance voltage when pre- conjunction contact is closed with static contact, this
When electric capacity because be connected in initialization current circuit, the voltage of electric capacity is less than the electricity in whole initialization current circuits
Pressure, therefore, pre- conjunction contact and static contact close the contact voltage of moment and diminished therewith, and electric spark also diminishes, and protection is pre- to close contact
Contact contact with static contact.The circuit of this job step is operating circuit.
A kind of trigger switch, the separating brake course of work is divided into two steps：
First step：After button is no longer pressed, moving contact connector is pulled to the side for leaving static contact under the action of the spring
To simultaneously moving contact connector drives moving contact and the pre- contact that closes to be separated with static contact, pre- to close contact because flexible insulation branch
The effect of frame, the pre- contact that closes is pushed to moving contact direction by elastic force, and the pre- contact and moving contact of closing is closure state.Now, it is short
The electric capacity on road recovers electriferous state, and the current pathway played in decompression metering function, the pre- parallel circuit of the separating brake is：Power supply B wiring
Post --- the lead of power supply to moving contact binding post --- moving contact binding post --- moving contact --- closing contact in advance --- electric capacity B
--- --- --- static contact --- static contact binding post --- static contact binding post 4 is to negative for electric capacity A sides lead for electric capacity for side lead
Carry 20B sides lead --- load --- lead of load A sides to power supply --- power supply A binding posts.Contact and static contact are closed when pre-
When disconnection, the electric current in the loop just begins to flow through electric capacity, and electric capacity now is because be connected in the pre- parallel circuit of separating brake, electric capacity
Voltage be less than voltage in whole pre- parallel circuits of separating brake, so, the pre- voltage closed when contact and static contact are separated is electric capacity two
Electric spark between the voltage at end, contact diminishes, the pre- contact contact for closing contact with static contact of protection.The circuit of this job step
For preparation separating brake operating circuit.
Second step：After first job step, moving contact connector continues to be pulled under the action of the spring to leave
The direction of static contact, moving contact continues to move to the direction for leaving static contact, the recoverable force reset condition of elastic insulated support
Afterwards, no longer to the pre- contact that closes to moving contact direction applying power, moving contact is separated with the pre- connection for closing contact.Now opening circuit
In because be in series with electric capacity, under the decompression metering function of electric capacity, the electric current in the pre- parallel circuit of separating brake is smaller, thus moving contact with
The pre- contact voltage closed when contact is separated is smaller, and the contact electric spark of generation diminishes, protection moving contact and the pre- contact for closing contact
Contact.The circuit of this job step is separating brake operating circuit.
A kind of trigger switch of the present invention, according to the π fc formula of electric capacity capacitive reactance formula Xc=1/2, utilizes the decompression of electric capacity
The contact voltage of current limliting principle, fundamentally reduction contact contact, so as to reduce the intensity of contact electric spark, protects connecing for contact
Contact.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of trigger switch of the present invention, and accompanying drawing 2 is of the present invention a kind of tactile
Send out the circuit theory schematic diagram of switch.
1- moving contacts 2- closes the elastic insulated supports of contact 3- static contact 4- static contact binding post 5- in advance
6- electric capacity A sides lead 7- electric capacity 8- electric capacity B sides lead 9- moving contact binding post 10- moving contact housing hinges
Hole 11- moving contact articulated stand 12- button 13- button insulated connecting rod 14- button connecting rod movable spans 15-
Housing 16- spring 17- buttons connecting rod link fraising 18- moving contact connector 19- moving contacts intermediate link hinge
Hole 20- loads 97- power supplys to the lead of the lead 98- static contacts binding post extremely load B sides of moving contact binding post
99- loads A sides to the lead 101- power supply A binding post 102- power supply B binding posts of power supply.
Embodiment
Referring now to accompanying drawing 1 and accompanying drawing 2, in conjunction with specific embodiments, it is described as follows：A kind of trigger switch of the present invention,
Include moving contact 1, pre- conjunction contact 2, static contact 3, static contact binding post 4, elastic insulated support 5, electric capacity A sides lead 6, electric capacity
7th, electric capacity B sides lead 8, moving contact binding post 9, moving contact housing hinge hole 10, articulated stand 11, button 12, button insulation connect
Bar 13, button connecting rod movable span 14, housing 15, spring 16, button connecting rod link fraising 17, moving contact connector 18, moving contact
Intermediate link fraising 19, load 20, the lead 97 of power supply to moving contact binding post, static contact binding post to the lead for loading B sides
98th, A sides are loaded to the lead 99, power supply A binding posts 101, power supply B binding posts 102 of power supply.
Described housing 15 is overall C-shaped, through the top surface of housing 15, and vertical button connecting rod is wholely set between two parties and is lived
Dynamic hole 14, interts in button connecting rod movable span 14 and is provided with button connecting rod 13, the described upper end of button insulated connecting rod 13 is in shell
The outside of body 15 is exposed, and has been wholely set button 12 on the top of button insulated connecting rod 13, and the lower end of button insulated connecting rod 13 exists
Extend downwardly exposed in housing 15, moving contact connector is vertically arranged with housing 15, and in the bottom of button insulated connecting rod 13
18, the described upper end of moving contact connector 18 is provided with button connecting rod link fraising 17, described button connecting rod link fraising 17
It is hinged with the bottom of button insulated connecting rod 13, on the button insulated connecting rod 13 in housing 15, is arranged with spring 16, it is described
The upper end of spring 16 is connected with the inner top surface of housing 15, and the lower end of spring 16 is connected with the upper end of moving contact connector 18, dynamic
The lower end of contact connector 18 is provided with moving contact, and the fraising of moving contact intermediate link is provided with the stage casing of described moving contact 1
19, the bearing pin integrally connected with the lower end of moving contact connector 18 is provided with through moving contact intermediate link fraising 19, in moving contact 1
On, close to one end of case inside wall, moving contact housing hinge hole 10 is provided with, described moving contact housing hinge hole 10 passes through
It is hinged with the moving contact hinge bracket 11 on the madial wall of housing 15, to realize swing of the moving contact 1 on case inside wall,
On moving contact 1, moving contact binding post 9 has been wholely set close to moving contact housing hinge hole 10, described moving contact binding post 9 with
Power supply B binding posts 102 in circuit are connected by the lead 97 of power supply to moving contact binding post, in the other end of moving contact 1
Bottom surface has been wholely set contact.Static contact 3 is wholely set in the lower section of moving contact 1, and on the inner bottom surface of housing 15, quiet
It is relative with the contact of moving contact 1 to be wholely set contact on the top surface of contact 3, on static contact 3, close to the madial wall of housing 15
One end, be wholely set static contact binding post 4, described static contact binding post 4 passes through static contact with the load 20 in circuit
Binding post 4 to load 20B sides lead 98 is connected, and passes through elastic insulated support 5 on the static contact 3 of the one end of static contact binding post 4
Pre- conjunction contact 2 is provided with, described pre- one end of conjunction contact 2 is connected with elastic insulated support 5, and the other end of contact 2 is being closed in advance
Top and bottom, have been wholely set contact, the static contact 3, the pre- contact 2 that closes are integrated with the setting of elastic insulated support 5, pre- to close respectively
The motion of contact 2 makes elastic insulated support 5 be deformed elastic force, and the pre- motion for closing contact 2 is driven by moving contact 1, moving contact 1 to
The pressure that static contact 3 is produced when moving is more than the power produced by elastic insulated support 5 is pressurized, and elastic insulated support 5 is pressurized and produced
Raw power closes the direction that contact 2 pushes static contact 3 to pre-.In the outside of housing 15, and closing in advance between contact 2 and static contact 3
Electric capacity 7 is connected to by electric capacity B sides lead 8 and electric capacity A sides lead 6, pre- contact 2 and the static contact 3 of closing connects with electric capacity 7 to be in parallel
Connect.
A kind of trigger switch, according to moving contact 1, the pre- division state for closing contact 2, static contact 3, is divided into：Initial work
Make circuit, operating circuit, preparation separating brake operating circuit, separating brake operating circuit.
A kind of trigger switch, the combined floodgate course of work is divided into two steps：
First step：During downward button press 12, button insulated connecting rod 13 pushes down on moving contact connector 18 therewith, moves and touches
Head connector 18 promotes the direction of moving contact 1 to static contact 3 to move；The energy storage of spring 16 is pulled simultaneously.Moving contact 1 is closed with pre- first
Contact 2 is contacted, at this moment, and current pathway is：Power supply B binding posts 102 --- lead 97 of power supply to moving contact binding post --- are moved
--- moving contact 1 is --- pre- to close --- --- electric capacity 7 --- the electric capacity A sides lead of electric capacity B sides lead 8 of contact 2 for contact binding post 9
6 --- --- --- the static contact binding posts 4 to load 20B sides lead 98 --- load 20 --- of static contact binding post 4 of static contact 3
A sides are loaded to lead 99 --- the power supply A binding posts 101 of power supply, now, the electric current in initialization circuit is limited in capacitance decompression
Under stream effect, the electric current in the circuit is smaller, and moving contact 1 and the pre- contact voltage closed between contact 2 are reduced, contact electric spark also compared with
It is small, protection moving contact 1 and the pre- contact contact for closing contact 2.The circuit of this job step is initialization circuit.
Second step：After first job step, moving contact 1 drives pre- conjunction contact 2 to continue to move to static contact 3,
Moving contact 1 starts to press the elastic insulated support 5 on pre- conjunction contact 2, elastic insulated support 5 is pressurized by pressing pre- conjunction contact 2
Deformation is produced, the pre- contact 2 that closes is closed with static contact 3.Now, electric capacity 7 is short-circuited, and current pathway is changed into：Power supply B binding posts
102 --- --- moving contact binding post 9 --- moving contact 1 --- closes contact to the lead 97 of power supply to moving contact binding post in advance
2 --- --- --- the static contact binding posts 4 to load 20B sides lead 98 --- load 20 --- of static contact binding post 4 of static contact 3
A sides are loaded to lead 99 --- the power supply A binding posts 101 of power supply, it is pre- to close 2 points voltage etc. when contact 2 is closed with static contact 3
In capacitance voltage, capacitance voltage is less than the voltage in whole working lines, therefore, and the pre- contact 2 that closes closes moment with static contact 3
Contact voltage diminishes therewith, and electric spark also diminishes, and protection is pre- to close the contact contact of contact 2 and stationary contact 3.This job step
Circuit is operating circuit.
A kind of trigger switch, the separating brake course of work is divided into two steps：
First step：After the button 12 for unclamping pressing, moving contact connector 18 resilience upwards, moving contact under the effect of spring 16
Connector 18 drives moving contact 1 and the pre- contact 2 that closes to be separated simultaneously with static contact 3, pre- to close contact 2 because flexible insulating support 5
Effect, it is pre- to close the direction that contact 2 is pushed to moving contact 1 by the elastic force of elastic insulated support 5, it is therefore, pre- to close contact 2 and dynamic touch
First 1 is closure state, and when moving contact 1 and pre- conjunction contact 2 are separated with static contact 3 first simultaneously, the electric capacity 7 being short-circuited recovers
Electriferous state, plays capacitance decompression metering function, and operating circuit now changes into prepared separating brake operating circuit：Power supply B wiring
--- --- moving contact binding post 9 --- moving contact 1 --- closes contact to the lead 97 of power supply to moving contact binding post to post 102 in advance
2 --- --- --- --- static contact 3 --- static contact binding post 4 --- is quiet for electric capacity A sides lead 6 for electric capacity 7 for electric capacity B sides lead 8
Contact binding post 4 to load 20B sides lead 98 --- loads 20 --- lead 99 of load A sides to power supply --- power supply A wiring
Post 101.Because capacitance decompression metering function, pre- contact 2 and the static contact 3 of closing separates the voltage that moment is the two ends of electric capacity 7, electric capacity 7
Voltage be less than voltage in whole working lines, so, the pre- contact electric spark closed when contact 2 is separated with static contact 3 is small, protects
Shield is pre- to close the contact contact of contact 2 and stationary contact 3.The circuit of this job step is preparation separating brake operating circuit.
Second step：After separating brake first job step, moving contact 1 continues to move to the direction for leaving static contact 3,
After the recoverable force reset condition of elastic insulated support 5, no longer to the pre- contact 2 that closes to the direction applying power of moving contact 1, moving contact 1
Separated with the pre- connection for closing contact 2.Now prepare in separating brake operating circuit because being in series with electric capacity 7, current limliting is depressured in electric capacity 7
Under effect, the electric current in preparation separating brake operating circuit is smaller, thus contact voltage of the moving contact 1 when being separated with pre- conjunction contact 2 compared with
Small, the contact electric spark of generation is small, protection moving contact 1 and the pre- contact contact for closing contact 2.The circuit of this job step is to divide
Lock operating circuit.
A kind of trigger switch of the present invention, according to the π fc formula of electric capacity capacitive reactance formula Xc=1/2, utilizes the decompression of electric capacity
The contact voltage of current limliting principle, fundamentally reduction contact contact, so as to reduce the intensity of contact electric spark, protects connecing for contact
Contact.
Claims (7)
1. a kind of trigger switch, with moving contact（1）, close contact in advance（2）, static contact（3）, electric capacity（7）, it is characterised in that institute
State pre- conjunction contact（2）With static contact（3）Between be connected with electric capacity（7）, moving contact（1）First contact is closed with pre-（2）Contact, then
Moving contact（1）, close contact in advance（2）Simultaneously again with static contact（3）Contact, electric capacity（7）Contact is closed in advance（2）And static contact（3）It is short
Road.
2. a kind of trigger switch according to claim 1, it is characterised in that the moving contact closed（1）, close contact in advance
（2）, static contact（3）When separated, contact is closed in advance（2）And moving contact（1）Continue to be kept closed, static contact（3）First with
It is pre- to close contact（2）, moving contact（1）Separate, then moving contact（1）Contact is closed with pre-（2）Separate.
3. a kind of trigger switch according to claim 2, it is characterised in that moving contact（1）Leaving static contact（3）When,
It is pre- to close contact（2）And moving contact（1）It is kept closed.
4. a kind of trigger switch according to claim 3, it is characterised in that close contact in advance（2）With elastic insulated support（5）
Setting is integrated, elastic insulated support（5）Deform the power produced and close contact pre-（2）Push moving contact to（1）Direction.
5. a kind of trigger switch according to claim 1, it is characterised in that moving contact（1）It is connected to moving contact connector
（18）On, moving contact connector（18）By button（12）Power to static contact（3）Direction motion.
6. a kind of trigger switch according to claim 4, it is characterised in that moving contact（1）It is connected to moving contact connector
（18）On, button（12）After pressing force is lost, moving contact connector（18）By spring（16）Pulling force to leaving static contact（3）
Direction motion.
7. a kind of trigger switch according to any claims of claim 1-6, it is characterised in that in housing（15）It is interior
Top surface has been wholely set button connecting rod movable span between two parties（14）, described button connecting rod movable span（14）Inside it is provided with button connecting rod
（13）, button connecting rod（13）One end in housing（15）Outside, be provided with button（12）, button connecting rod（13）The other end exist
Housing（15）Inside, reamed by button connects pole interlinking（17）With moving contact connector（18）It is set together, moving contact
Connector（18）The other end and moving contact（1）Reamed by moving contact intermediate link（19）It is set together, in moving contact（1）
On be provided with moving contact binding post（9）And contact, in housing（14）Inner bottom part be provided with static contact（3）, in static contact（3）On
It is provided with static contact binding post（4）And contact, in static contact（3）It is upper to pass through elastic insulated support（5）It is provided with pre- conjunction contact
（2）, contact is being closed in advance（2）Top and bottom be provided with contact, in advance close contact（2）With static contact（3）Between pass through electric capacity A sides
Lead（6）With electric capacity B sides lead（8）It is connected to electric capacity（7）, contact is closed in advance（2）And static contact（3）With electric capacity（7）To be connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784340.1A CN107331557A (en) | 2017-09-04 | 2017-09-04 | A kind of trigger switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784340.1A CN107331557A (en) | 2017-09-04 | 2017-09-04 | A kind of trigger switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107331557A true CN107331557A (en) | 2017-11-07 |
Family
ID=60204784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710784340.1A Pending CN107331557A (en) | 2017-09-04 | 2017-09-04 | A kind of trigger switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118692844A (en) * | 2024-08-23 | 2024-09-24 | 宁波捷通电子有限公司 | Toggle switch |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2581790A1 (en) * | 1985-05-13 | 1986-11-14 | Stopcircuit Sa | Clean-break circuit breaker switch. |
| CN86205676U (en) * | 1986-08-14 | 1987-06-03 | 中国人民解放军81513部队 | Complementary switch |
| CN87211980U (en) * | 1987-08-17 | 1988-08-17 | 湖北省鄂州市精华电器厂 | Contact arc srppressing device of a low-voltage switch |
| CN2190345Y (en) * | 1994-03-16 | 1995-02-22 | 姚远志 | Oil arc-eliminating switch |
| CN1215906A (en) * | 1997-10-28 | 1999-05-05 | 罗宏基 | Electric appliance switch contact system |
| CN202601429U (en) * | 2011-01-06 | 2012-12-12 | 杨泰和 | Sequence switching device having encircling contact structure |
| CN106373809A (en) * | 2016-10-13 | 2017-02-01 | 余伟蓉 | Three-contact switch structure capable of eliminating arcing |
-
2017
- 2017-09-04 CN CN201710784340.1A patent/CN107331557A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2581790A1 (en) * | 1985-05-13 | 1986-11-14 | Stopcircuit Sa | Clean-break circuit breaker switch. |
| CN86205676U (en) * | 1986-08-14 | 1987-06-03 | 中国人民解放军81513部队 | Complementary switch |
| CN87211980U (en) * | 1987-08-17 | 1988-08-17 | 湖北省鄂州市精华电器厂 | Contact arc srppressing device of a low-voltage switch |
| CN2190345Y (en) * | 1994-03-16 | 1995-02-22 | 姚远志 | Oil arc-eliminating switch |
| CN1215906A (en) * | 1997-10-28 | 1999-05-05 | 罗宏基 | Electric appliance switch contact system |
| CN202601429U (en) * | 2011-01-06 | 2012-12-12 | 杨泰和 | Sequence switching device having encircling contact structure |
| CN106373809A (en) * | 2016-10-13 | 2017-02-01 | 余伟蓉 | Three-contact switch structure capable of eliminating arcing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118692844A (en) * | 2024-08-23 | 2024-09-24 | 宁波捷通电子有限公司 | Toggle switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104779119B (en) | A kind of high-current supply relay | |
| CN105679619A (en) | On-off mechanism of electric appliance switch | |
| CN107331557A (en) | A kind of trigger switch | |
| CN103337396A (en) | Speed-control switch with kick device | |
| CN106601538A (en) | Direct current bypass switch | |
| CN206312831U (en) | The apparatus for auxiliary contact of HVDC relay | |
| CN207587618U (en) | The switching off/on device of vacuum circuit breaker | |
| CN103617927A (en) | Long-break-distance contact structure capable of breaking rapidly | |
| CN211238090U (en) | Permanent magnet driving module and vacuum circuit breaker applying same | |
| CN207409438U (en) | Closed type high-voltage DC contactor | |
| CN207425733U (en) | A kind of motor drives bridging contact on-load switch | |
| CN102810800A (en) | Plug with function of earth leakage protection | |
| CN212411927U (en) | High-voltage alternating-current gas-insulated circuit breaker closing resistor transmission structure | |
| CN107068489A (en) | The mechanism loading of relay | |
| CN202957217U (en) | Disconnecting switch and vacuum circuit breaker composite system | |
| CN206210690U (en) | A kind of moving contact being connected with vacuum circuit breaker | |
| CN106653491A (en) | Auxiliary contact device for high-voltage DC relay | |
| CN102623219A (en) | Disconnecting switch and vacuum circuit breaker composite system | |
| CN202523601U (en) | Auxiliary switch with magnetic blowout arc apparatus | |
| CN206401240U (en) | The mechanism loading of relay | |
| CN201323157Y (en) | Isolating switch for high-voltage electrical distribution device in coal mine | |
| CN202102924U (en) | Electrical lock-out mechanical mechanism for mine-use flame-proof type combination switch | |
| CN220400484U (en) | High-voltage electric switch | |
| CN2473737Y (en) | New vacuum load isolating switch | |
| CN201717531U (en) | Lateral electric brake device for electric control cabinet |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171107 |