CN106252163A - The catalyst of opening velocity can be regulated - Google Patents
The catalyst of opening velocity can be regulated Download PDFInfo
- Publication number
- CN106252163A CN106252163A CN201610636410.4A CN201610636410A CN106252163A CN 106252163 A CN106252163 A CN 106252163A CN 201610636410 A CN201610636410 A CN 201610636410A CN 106252163 A CN106252163 A CN 106252163A
- Authority
- CN
- China
- Prior art keywords
- closed housing
- catalyst
- electromagnet
- bar
- opening velocity
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
- H01H2050/025—Details concerning sealing, e.g. sealing casing with resin containing inert or dielectric gasses, e.g. SF6, for arc prevention or arc extinction
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Contacts (AREA)
Abstract
The invention discloses the catalyst that can regulate opening velocity, including closed housing, be positioned at the separating/closing mechanism within closed housing, rotation bar, tripping spring, touch spring, insulating part and making electromagnet；Connecting touch spring bottom described separating/closing mechanism, connect insulating part bottom touch spring, insulating part one end is also connected with rotating bar；Switching magnet is also set up between described rotation bar and closed housing inwall, switching magnet includes electromagnet coil and the iron core of multiple arranged adjacent, multiple electromagnet coils are installed on the inwall of closed housing and are mounted on each electromagnet coil a switch, and multiple iron cores are installed on rotation bar and relative with corresponding electromagnet coil；It is also connected with tripping spring between described rotation bar and closed housing inwall；Noble gas it is full of in described closed housing.The present invention passes through said structure; making electromagnet can regulate access electromagnet coil number, thus change magnetic force size, thus change the speed that making electromagnet cut-offs; and this device is by being passed through noble gas in closed housing, it is achieved the cut-off overvoltage of catalyst is protected.
Description
Technical field
The present invention relates to power contactor field, in particular it relates to the catalyst of opening velocity can be regulated.
Background technology
Electric power is the energy using electric energy as power, invents in 19 century 70s, and invention and the application of electric power start
Industrialization climax for the second time.And the height of transmission voltage is the outstanding feature of technology of transmission of electricity level of development, high-tension electricity is being carried out
During use, generally could use after it is converted into low tension.In carrying out power transmission, need to use catalyst, tradition
Catalyst in use, making electromagnet cannot be according to the size adjustment divide-shut brake speed of drop-out current, it is achieved is opening
Use high speed separating brake during disconnected big electric current, be adjusted to low speed separating brake when cut-offfing small area analysis.In Low current vacuum arc, work as alternating current
When stream amplitude drops to certain value, electric arc presents wild effect, i.e. occurs damming when electric current declines further, and currently uses
Catalyst can produce overvoltage when cut-off loop, substantially exceed the dielectric level of catalyst, damage catalyst, need it
In overvoltage carry out limit protection.
Summary of the invention
The technical problem to be solved is to provide the catalyst that can regulate opening velocity, the combined floodgate electricity of this device
Magnet can regulate access electromagnet coil number, thus change magnetic force size, thus change the speed that making electromagnet cut-offs
Degree, and this device is by being passed through noble gas in closed housing, it is achieved the cut-off overvoltage of catalyst is protected.
The present invention solves the problems referred to above and be the technical scheme is that the catalyst that can regulate opening velocity, including envelope
Closed shell, it is positioned at the separating/closing mechanism within closed housing, rotates bar, tripping spring, touch spring, insulating part and making electromagnet；Institute
Stating connection touch spring bottom separating/closing mechanism, connect insulating part bottom touch spring, insulating part one end is also connected with rotating bar；Described
Rotation bar and closed housing inwall between also set up switching magnet, switching magnet include multiple arranged adjacent electromagnet coil and
Iron core, multiple electromagnet coils are installed on the inwall of closed housing and are mounted on each electromagnet coil a switch,
Multiple iron cores are installed on rotation bar and relative with corresponding electromagnet coil；Between described rotation bar and closed housing inwall also
Connect tripping spring；Noble gas it is full of in described closed housing.The switch arranged on each electromagnet coil, it is possible to controlling should
The break-make of electromagnet coil, thus change and access the quantity of electromagnet coil in catalyst, thus change access making electromagnet
The size of magnetic force, when making electromagnet, to access magnetic force the biggest, and it is the fastest to cut-off speed, and when switching magnet, to access magnetic force the least, cut-offs
Speed is the slowest, when speed is cut-off in needs change, only needs the quantity of manual control switch open, can realize according to drop-out current
Size adjustment divide-shut brake speed, when cut-offfing big electric current use high speed separating brake, be adjusted to low speed separating brake when cut-offfing small area analysis.And
And in closed housing, it is filled with noble gas, when carrying out sub-switching operation, dividing between contact and between making electromagnet can be accelerated
Open, reduce the generation of cut-off overvoltage.To retain phenomenon be exactly that electric current is disconnected suddenly bigger when, at this time electric current
After the highest derivation of rate of change, voltage is the highest, and this voltage is exactly overvoltage.
Grounding terminal is also set up on described closed housing.The portion voltage of enclosure is introduced ground, drops further
The situation of low cut-off overvoltage occurs.
The switch being arranged on each electromagnet coil is arranged on the outer wall of closed housing, the electricity that on-off control is corresponding
Magnet coil.To facilitate the quantity being accessed solenoid by on-off control, thus quickly change magnetic force size.
Described noble gas is sulfur hexafluoride gas.Isolation effect is more preferable.
Described separating/closing mechanism includes static contact, ceramic case and moving contact, and static contact is incoming from the top of ceramic case, moving contact
Incoming from the bottom of ceramic case, there is gap between static contact and moving contact.
The top of described static contact is also connected with extraction copper bar, is also connected with flexible catheter bottom moving contact, flexible catheter with under draw
Going out copper bar to connect, upper extraction copper bar and lower extraction copper bar are also connected with insulation board.
It is also connected with radome on described static contact, moving contact also sets up corrugated tube.The effect of radome is, when disjunction electricity
During stream, condense the metal vapors diffused out in contact gap, contribute to blow-out, it is also possible to prevent metal vapors from splashing to insulation
Its dielectric strength is reduced on shell.Moving contact is connected with shell lower end corrugated tube, and moving contact can move up and down and will not leak
Gas.
To sum up, the invention has the beneficial effects as follows:
1, this device is by controlling to access on making electromagnet the quantity of electromagnet coil, thus changes magnetic force on making electromagnet
Size, thus change the speed that making electromagnet cut-offs, it is achieved according to the size adjustment divide-shut brake speed of drop-out current, cut-offfing
Use high speed separating brake during big electric current, be adjusted to low speed separating brake when cut-offfing small area analysis.
2, in closed housing, it is filled with noble gas, when carrying out sub-switching operation, can accelerate between contact and making electromagnet
Between separately, reduce the generation of cut-off overvoltage.
3, also set up grounding terminal on closed housing, the portion voltage of enclosure is introduced ground, reduces further
The situation of cut-off overvoltage occurs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Labelling and corresponding parts title in accompanying drawing: 1, closed housing；2, tripping spring；3, electromagnet coil；4, switch；
5, bar is rotated；6, grounding terminal；7, lower extraction copper bar；8, flexible catheter；9, insulating part；10, touch spring；11, moving contact；12、
Corrugated tube；13, radome；14, static contact；15, insulation board；16, upper extraction copper bar；17, unshakable in one's determination；18, ceramic case.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of present invention work, but embodiments of the present invention
It is not limited to this.
Embodiment 1:
As it is shown in figure 1, the present invention include closed housing 1, be positioned at the separating/closing mechanism within closed housing 1, rotate bar 5, tripping spring 2,
Touch spring 10, insulating part 15 and making electromagnet；Touch spring 10 is connected, bottom touch spring 10 bottom described separating/closing mechanism
Connecting insulating part 9, insulating part 9 one end is also connected with rotating bar 5；Combined floodgate is also set up between described rotation bar 5 and closed housing 1 inwall
Magnet, switching magnet includes the electromagnet coil 3 and unshakable in one's determination 17 of multiple arranged adjacent, and multiple electromagnet coils are installed in closing
Be mounted on the inwall of shell 1 and on each electromagnet coil 3 one switch 4, multiple unshakable in one's determination 17 be installed in rotation bar 5 on and
Relative with corresponding electromagnet coil 3；It is also connected with tripping spring 2 between described rotation bar 5 and closed housing 1 inwall；Described closing
Noble gas it is full of in shell 1.
When pressing the switch of suitable number according to practical situation, to control to access the quantity of electromagnet coil.Static contact is used
Upper extraction copper bar is drawn, and moving contact flexible circuit conductor causes lower extraction copper bar and draws.Moving contact is by conducting rod, touch spring and absolutely
Edge body is connected with rotating bar.Under the effect of tripping spring power, rotating bar and rotate to counter-clockwise direction, it drives moving contact downward
Motion, quiet, moving contact is separated.During combined floodgate, combined floodgate solenoid is energized, armature adhesive to the right, rotate bar clockwise
Rotate, make moving contact move upward by insulator, touch spring, close with static contact.
The switch arranged on each electromagnet coil, it is possible to control the break-make of this electromagnet coil, thus change access
The quantity of electromagnet coil in catalyst, thus change the size accessing making electromagnet magnetic force, when making electromagnet accesses magnetic
Power is the biggest, and it is the fastest to cut-off speed, and when switching magnet, to access magnetic force the least, and it is the slowest to cut-off speed, when speed is cut-off in needs change,
Only need the quantity of manual control switch open, the size adjustment divide-shut brake speed according to drop-out current can be realized, big cut-offfing
Use high speed separating brake during electric current, be adjusted to low speed separating brake when cut-offfing small area analysis.And in closed housing, it is filled with noble gas, is entering
During row sub-switching operation, separating between contact and between making electromagnet can be accelerated, reduce the generation of cut-off overvoltage.Retain existing
As being exactly that electric current is disconnected suddenly bigger when, at this time after the highest derivation of the rate of change of electric current, voltage is the highest, this
Individual voltage is exactly overvoltage.
Embodiment 2:
The present embodiment increases following technical characteristic on the basis of embodiment 1: also set up grounding terminal 6 on closed housing 1.To close
The portion voltage of enclosure interior introduces ground, and the situation reducing cut-off overvoltage further occurs.
The switch 4 being arranged on each electromagnet coil 3 is arranged on the outer wall of closed housing 1, the one of switch 4 control correspondence
Individual electromagnet coil 3.To facilitate the quantity being accessed solenoid by on-off control, thus quickly change magnetic force size.
Embodiment 3:
The present embodiment preferred concrete structure on the basis of above-described embodiment is as follows: noble gas is sulfur hexafluoride gas.Isolation
Effect is more preferable.
Separating/closing mechanism includes static contact 14, ceramic case 18 and moving contact 11, and static contact 14 is incoming from the top of ceramic case 18,
Moving contact 11 is incoming from the bottom of ceramic case 18, there is gap between static contact 14 and moving contact 11.
The top of described static contact 14 is also connected with extraction copper bar 16, is also connected with flexible catheter 8 bottom moving contact 11,
Flexible catheter 8 is connected with lower extraction copper bar 7, and upper extraction copper bar 16 and lower extraction copper bar 7 are also connected with insulation board 15.
It is also connected with radome 13 on static contact 14, moving contact 11 also sets up corrugated tube 12.The effect of radome is, when dividing
During power-off stream, condense the metal vapors diffused out in contact gap, contribute to blow-out, it is also possible to prevent metal vapors from splashing to
Its dielectric strength is reduced on insulation crust.Moving contact is connected with shell lower end corrugated tube, and moving contact can move up and down and not
Can leak gas.
As it has been described above, the present invention can preferably be realized.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every depends on
Any simple modification of being made above example according to the technical spirit of the present invention, equivalent variations, each fall within the protection of the present invention
Within the scope of.
Claims (7)
1. can regulate the catalyst of opening velocity, it is characterised in that include closed housing (1), be positioned at internal the dividing of closed housing (1)
Close mechanism, rotate bar (5), tripping spring (2), touch spring (10), insulating part (15) and making electromagnet；Described separating/closing mechanism
Bottom connects touch spring (10), and touch spring (10) bottom connects insulating part (9), and insulating part (9) one end is also connected with rotating bar
(5)；Also setting up switching magnet between described rotation bar (5) and closed housing (1) inwall, switching magnet includes multiple arranged adjacent
Electromagnet coil (3) and unshakable in one's determination (17), multiple electromagnet coils are installed on the inwall of closed housing (1) and each electric magnet
Be mounted on a switch (4) on coil (3), multiple iron cores (17) be installed in rotation bar (5) upper and with corresponding electric magnet
Coil (3) is relative；It is also connected with tripping spring (2) between described rotation bar (5) and closed housing (1) inwall；In described closed housing (1)
It is full of noble gas.
The catalyst that can regulate opening velocity the most according to claim 1, it is characterised in that on described closed housing (1)
Also set up grounding terminal (6).
The catalyst that can regulate opening velocity the most according to claim 1, it is characterised in that be arranged on each electric magnet
Switch (4) on coil (3) is arranged on the outer wall of closed housing (1), and switch (4) controls a corresponding electromagnet coil (3).
The catalyst that can regulate opening velocity the most according to claim 1, it is characterised in that described noble gas is six
Sulfur fluoride gas.
The catalyst that can regulate opening velocity the most according to claim 1, it is characterised in that described separating/closing mechanism includes
Static contact (14), ceramic case (18) and moving contact (11), static contact (14) is incoming from the top of ceramic case (18), moving contact (11)
Incoming from the bottom of ceramic case (18), there is gap between static contact (14) and moving contact (11).
The catalyst that can regulate opening velocity the most according to claim 5, it is characterised in that described static contact (14)
Top is also connected with extraction copper bar (16), and moving contact (11) bottom is also connected with flexible catheter (8), flexible catheter (8) and lower extraction copper bar
(7) connecting, upper extraction copper bar (16) and lower extraction copper bar (7) are also connected with insulation board (15).
The catalyst that can regulate opening velocity the most according to claim 5, it is characterised in that on described static contact (14)
It is also connected with radome (13), moving contact (11) also sets up corrugated tube (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016100596818 | 2016-01-29 | ||
| CN201610059681.8A CN105609379A (en) | 2016-01-29 | 2016-01-29 | Contactor capable of adjusting switch-off speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106252163A true CN106252163A (en) | 2016-12-21 |
Family
ID=55989218
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610059681.8A Pending CN105609379A (en) | 2016-01-29 | 2016-01-29 | Contactor capable of adjusting switch-off speed |
| CN201610636410.4A Pending CN106252163A (en) | 2016-01-29 | 2016-08-05 | The catalyst of opening velocity can be regulated |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610059681.8A Pending CN105609379A (en) | 2016-01-29 | 2016-01-29 | Contactor capable of adjusting switch-off speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105609379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025140A (en) * | 2019-12-27 | 2020-04-17 | 国网山西省电力公司电力科学研究院 | Method for improving opening speed of breaker model based on spring assistance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6484533A (en) * | 1987-09-26 | 1989-03-29 | Matsushita Electric Works Ltd | Sealing contact device |
| CN2676392Y (en) * | 2003-11-12 | 2005-02-02 | 吉林永大（集团）有限公司 | A permanent magnet low-voltage vacuum contactor |
| CN102184795A (en) * | 2011-04-12 | 2011-09-14 | 浙宝开关(杭州)有限公司 | Fast vacuum circuit breaker used for protecting high-power power electronic converter |
| CN202796755U (en) * | 2012-07-17 | 2013-03-13 | 保定市莱凯电器设备制造有限公司 | Enclosed inflatable contactor |
| CN204407241U (en) * | 2015-02-11 | 2015-06-17 | 相鹏 | New Low Voltage vacuum type contactor |
-
2016
- 2016-01-29 CN CN201610059681.8A patent/CN105609379A/en active Pending
- 2016-08-05 CN CN201610636410.4A patent/CN106252163A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6484533A (en) * | 1987-09-26 | 1989-03-29 | Matsushita Electric Works Ltd | Sealing contact device |
| CN2676392Y (en) * | 2003-11-12 | 2005-02-02 | 吉林永大（集团）有限公司 | A permanent magnet low-voltage vacuum contactor |
| CN102184795A (en) * | 2011-04-12 | 2011-09-14 | 浙宝开关(杭州)有限公司 | Fast vacuum circuit breaker used for protecting high-power power electronic converter |
| CN202796755U (en) * | 2012-07-17 | 2013-03-13 | 保定市莱凯电器设备制造有限公司 | Enclosed inflatable contactor |
| CN204407241U (en) * | 2015-02-11 | 2015-06-17 | 相鹏 | New Low Voltage vacuum type contactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025140A (en) * | 2019-12-27 | 2020-04-17 | 国网山西省电力公司电力科学研究院 | Method for improving opening speed of breaker model based on spring assistance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105609379A (en) | 2016-05-25 |
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| 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: 20161221 |