CN106057601B - A kind of power circuit breaker - Google Patents
A kind of power circuit breaker Download PDFInfo
- Publication number
- CN106057601B CN106057601B CN201610475822.4A CN201610475822A CN106057601B CN 106057601 B CN106057601 B CN 106057601B CN 201610475822 A CN201610475822 A CN 201610475822A CN 106057601 B CN106057601 B CN 106057601B
- Authority
- CN
- China
- Prior art keywords
- temperature
- compensating
- base cylinder
- rotating shaft
- circuit breaker
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of power circuit breaker, including：The base cylinder of surface insulation, the base cylinder is closed at both ends, and the rotating shaft of surface insulation is provided with base cylinder, the rotating shaft drives rotation by being arranged on the driving handle outside the base cylinder, static contact is provided with the base cylinder inwall, moving contact is provided with the rotating shaft, axial magnetic field is formed between the base cylinder and rotating shaft；Temperature compensation system is provided with the base cylinder；The temperature compensation system includes temperature-compensating room, and temperature-compensating room both sides are provided with triggering hole, trigger in hole and be provided with system sensor；The adapter of temperature-compensating magnetic force is provided with the temperature-compensating room, temperature-reducing medium is installed in the adapter of temperature-compensating magnetic force, flow diverter is additionally provided with the temperature-compensating room.The present invention can drastically be cooled rapidly to the region for producing electric arc, while coordinate magnetic quenching to realize arc quenching method more powerful in smaller area, improve arc extinction performance, have preferable security performance, meet actual operation requirements.
Description
Technical field
The present invention relates to a kind of power circuit breaker, belongs to controller switching equipment technical field.
Background technology
Electric power is the energy using electric energy as power, and invention starts in 19 century 70s, the invention and application of electric power
Second of industrialization climax, since turning into 18th century of human history, the world is one of scientific and technological revolution three times, from this section's technological transformation
The life of people is become.The large-scale electrical power system that 20th century occurred is one of most important achievement in the human engineering history of science,
By generating electricity, transmitting electricity, the power generation and consumption system that power transformation, the environment such as distribution and electricity consumption form.It by nature once
The energy changes into electric power by mechanical energy device, then supplies power to each user through transmission of electricity, power transformation and distribution.
It is the epoch of internet now, we still have the demand of sustainable growth to electric power, because we have invented electricity
Brain, household electrical appliances etc. more use the product of electric power, and the emergence of undeniable new technology causes electric power to turn into the necessity of people.
Nowadays mainly have caused by electric power：Thermal power generation (incendivity such as coal thing), solar power generation, large copacity wind generating technology,
Nuclear energy power generation, hydrogen power generation, water generating etc., 21 century energy science will achieve more glorious results for human civilization.Fuel-cell fuel
Battery is a kind of electrochmical power source that the chemical energy of the fuel such as hydrogen, natural gas, coal gas, methanol, hydrazine is directly changed into electric energy, biology
The efficient and clean utilization technology biomass energy of mass-energy is the energy using biomass as carrier.Wherein, in distribution facility field, break
Road device is a kind of infrastructure, is mainly used in carrying out break-make to circuit, because the circuit where it typically has larger work
Electric current, thus electric arc is easily produced when disconnecting, if do not taken arc extinguishing measure, then it can burn breaker or power network.Therefore, arc extinguishing
Structure is a kind of basic structure of power circuit breaker；Current breaker mainly include air-flow, fluid arc extinguishing or vacuum extinction,
The various ways such as magnetic quenching, still, on the one hand because the temperature of electric arc is too high, above-mentioned several arc quenching methods do not obtain most preferably
Effect, in addition, during arc extinguishing, because electric arc is confined in smaller area all the time, cause limited capacity, it is excessive in electric current
In the case of, arc extinguishing ability is not very powerful.For this reason, it may be necessary to design a kind of new technical scheme, can comprehensively overcome above-mentioned
It is insufficient existing for arc quenching method in the prior art.
The content of the invention
The present invention be exactly in view of the deficienciess of the prior art, provide a kind of power circuit breaker, meet it is easy to use
Under the premise of, the region for producing electric arc can drastically be cooled rapidly, reduce the temperature of arc zone, meanwhile, coordinate magnetic blow-out
Arc extinguishing realizes arc quenching method more powerful in smaller area, and arc extinction performance is improved in the case where electric current is excessive, have compared with
Good security performance, meets actual operation requirements.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of power circuit breaker, including：The base cylinder of surface insulation, the base cylinder is closed at both ends, and edge inside the base cylinder
Axis direction is provided with the rotating shaft of root surface insulation, and the rotating shaft drives rotation by being arranged on the driving handle outside the base cylinder
Turn, at least one static contact is provided with the base cylinder inwall, a cam-like being used cooperatively is provided with the rotating shaft and is moved
Contact, the moving contact can realize with the static contact and contact with separating during being rotated with the rotating shaft, and described
Static contact and moving contact are electrically connected on the binding post outside the base cylinder, and axle is formed between the base cylinder and the rotating shaft
To magnetic field；
Temperature compensation system is provided with the base cylinder and around the axial magnetic field；The temperature compensation system includes temperature
Spend compensated chamber, temperature-compensating room both sides are provided with the triggering hole for coordinating the static contact, it is described trigger to be provided with hole be
System sensor；Temperature-compensating shroud is provided with the temperature-compensating room, has been arranged side by side on the temperature-compensating shroud some
Temperature-compensating magnetic force is taken over, and is mounted with temperature-reducing medium in the temperature-compensating magnetic force adapter, is also set up in the temperature-compensating room
There are two groups of flow diverters being used cooperatively, be additionally provided with and some be connected with the temperature-compensating room on the temperature-compensating shroud
Temperature-compensating interface.
As the improvement of above-mentioned technical proposal, the base cylinder or rotating shaft are made up of permanent magnet, and the axial magnetic field is by described
Base cylinder or the permanent magnetic field of rotating shaft are formed；Solenoid is provided with the base cylinder, is made up of inside the base cylinder or rotating shaft ferromagnetics；
By the solenoid current-carrying and on the base cylinder or rotating shaft, excitation forms the axial magnetic field.
As the improvement of above-mentioned technical proposal, the helical wing that the other end is extended to from one end is additionally provided with the rotating shaft,
The helical wing is made up of insulating ceramics.
As the improvement of above-mentioned technical proposal, the temperature-compensating interface is made up of cylindrical portions and tapered segment, and
Cylindrical portions are provided in the temperature-compensating room, and tapered segment is provided on the temperature-compensating shroud, and described
Some interfaces are provided with the side wall of tapered segment.
As the improvement of above-mentioned technical proposal, the temperature-compensating ceiling end and bottom, which are respectively provided with, axially connects hole, the axle
To connecing the connection valve that is provided with hole and coordinates the rotating shaft, axial magnetic field to use.
As the improvement of above-mentioned technical proposal, the temperature-compensating magnetic force adapter includes being connected to the temperature-compensating shroud
On jointing, and be arranged on the magnetic force outburst pipe among jointing, and the temperature-reducing medium is to be installed in the magnetic
Inside power outburst pipe.
Compared with prior art, implementation result of the invention is as follows by the present invention：
A kind of power circuit breaker of the present invention, meet it is easy to use on the premise of, pass through the quiet of power circuit breaker
Contact, moving contact are orthogonal to rotating shaft in disconnection moment electric arc, i.e., orthogonal with the magnetic direction inside base cylinder, so as in ampere masterpiece
Rapidly rotation around the shaft, heat is quickly consumed under, while coordinates temperature compensation system can be rapidly to the area of generation electric arc
Domain is drastically cooled, and reduces the temperature of arc zone, so as to reach the arc quenching effect in optimum degree, in the excessive feelings of electric current
Arc extinction performance is improved under condition, there is preferable security performance, meet actual operation requirements.
Brief description of the drawings
Fig. 1 is a kind of power circuit breaker structural representation of the present invention；
Fig. 2 is a kind of power circuit breaker temperature-compensating cell structure schematic diagram of the present invention；
Fig. 3 is a kind of power circuit breaker temperature-compensating chamber interior structural representation of the present invention；
Fig. 4 is a kind of power circuit breaker temperature-compensating interface structure schematic diagram of the present invention.
In figure：10- base cylinders；11- static contacts；12- moving contacts；13- binding posts；14- solenoids；20- rotating shafts；21- helicals
The wing；30- driving handles；40- temperature-compensatings room；41- triggers hole；42- system sensors；43- flow diverters；50- temperature-compensating shrouds；
51- jointings；52- magnetic force outburst pipe；60- temperature-reducing mediums；70- temperature-compensating interfaces；71- cylindrical portions；72- conus portions
Point；73- interfaces；80- axially connects hole；81- connection valve blocks.
Embodiment
Illustrate present disclosure below in conjunction with specific embodiments.
As shown in Figure 1 and Figure 4, it is a kind of power circuit breaker structural representation of the present invention.
A kind of power circuit breaker of the present invention, include the base cylinder 10 of surface insulation, base cylinder 10 is closed at both ends, and base cylinder 10
Inside is provided with the rotating shaft 20 of root surface insulation in the axial direction, and rotating shaft 20 is driven by being arranged on the driving handle 30 outside base cylinder 10
It is dynamic to rotate, at least one static contact 11 is provided with the inwall of base cylinder 10, a cam-like being used cooperatively is provided with rotating shaft 20
Moving contact 12, moving contact 12 can be realized with static contact 11 during being rotated with rotating shaft 20 and contacted with separating, and static contact
11 and moving contact 12 be electrically connected on the binding post 13 outside base cylinder 10, form axial magnetic between base cylinder 10 and rotating shaft 20
；Temperature compensation system is provided with base cylinder 10 and around axial magnetic field；Temperature compensation system includes temperature-compensating room 40, temperature
The both sides of compensated chamber 40 are provided with the triggering hole 41 for coordinating static contact 11, trigger in hole 41 and are provided with system sensor 42；Temperature is mended
Repay and temperature-compensating shroud 50 be provided with room 40, some temperature-compensating magnetic force adapters have been arranged side by side on temperature-compensating shroud 50,
Temperature-reducing medium 60 is mounted with the adapter of temperature-compensating magnetic force, two groups of flow diverters being used cooperatively are additionally provided with temperature-compensating room 40
43, some temperature-compensating interfaces 70 being connected with temperature-compensating room 40 are additionally provided with temperature-compensating shroud 50.Institute of the present invention
A kind of power circuit breaker stated, meet it is easy to use on the premise of, existed by the static contact 11 of power circuit breaker, moving contact 12
Disconnect moment electric arc and be orthogonal to rotating shaft, i.e., it is orthogonal with the magnetic direction inside base cylinder 10, so that under Ampere force effect around the shaft
20 rapidly rotations, heat is quickly consumed, while it is anxious to coordinate temperature compensation system to be carried out to the region for producing electric arc rapidly
Sharp fall temperature, reduces the temperature of arc zone, so as to reach the arc quenching effect in optimum degree, is improved in the case where electric current is excessive
Arc extinction performance, has preferable security performance, meets actual operation requirements.
Further with improvement, as shown in figure 1, base cylinder 10 or rotating shaft 20 are made up of permanent magnet, axial magnetic field by base cylinder 10 or
The permanent magnetic field of rotating shaft 20 is formed；Solenoid 14 is provided with base cylinder 10, is made up of inside base cylinder 10 or rotating shaft 20 ferromagnetics；Axially
By the current-carrying of solenoid 14 and on base cylinder 10 or rotating shaft 20, excitation forms in magnetic field.It is additionally provided with from one end and is extended to separately in rotating shaft 20
The helical wing 21 of one end, the helical wing 21 are made up of insulating ceramics.Meet it is easy to use on the premise of, be easy to form orthogonal magnetic
, so as to reach the arc quenching effect in optimum degree, there is preferable security performance, meet actual operation requirements.
Further with improvement, as shown in figure 4, temperature-compensating interface 70 is made up of cylindrical portions 71 and tapered segment 72,
And cylindrical portions 71 are provided in temperature-compensating room 40, tapered segment 72 is provided on temperature-compensating shroud 50, and circle
Some interfaces 73 are provided with the side wall of wimble fraction 72.Temperature-reducing medium 60 is facilitated to be flowed rapidly around temperature compensation system, can
The region for producing electric arc is drastically cooled rapidly, the temperature of arc zone is reduced, so as to reach the arc extinguishing in optimum degree
Effect.
Further with improvement, as shown in figure 3, the top of temperature-compensating room 40 and bottom, which are respectively provided with, axially connects hole 80, axially connect
The connection valve block 81 for coordinating rotating shaft 20, axial magnetic field to use is provided with hole 80.Meet it is easy to use on the premise of, be easy to shape
The magnetic field being orthogonal, rotated so as to actuation temperature compensation system, reach following for the temperature-reducing medium 60 in optimum degree
Ring acts on, and has preferable security performance, meets actual operation requirements.
Specifically, as shown in figure 3, the adapter of temperature-compensating magnetic force includes the jointing being connected on temperature-compensating shroud 50
51, and the magnetic force outburst pipe 52 among jointing 51 is arranged on, and temperature-reducing medium 60 is installed in magnetic force outburst pipe 52
Portion.Magnetic force breaks out pipe 52 rapidly can gush out the temperature-reducing medium 60 of inside when arc-induced signal is received
Come, and circulated rapidly under magnetic field force effect, reach the cooling effect in optimum degree, so as to reach the arc extinguishing in optimum degree
Effect.
Above content is detailed description made for the present invention in conjunction with specific embodiments, it is impossible to assert that the present invention is specific real
Apply and be only limitted to these explanations.For those skilled in the art, before present inventive concept is not departed from
Put, some simple deduction or replace can also be made, should all be considered as belonging to the scope of protection of the invention.
Claims (6)
1. a kind of power circuit breaker, including：The base cylinder (10) of surface insulation, it is characterised in that：The base cylinder (10) is closed at both ends,
And the rotating shaft (20) of root surface insulation is provided with inside the base cylinder (10) in the axial direction, the rotating shaft (20) is by being arranged on
Outside driving handle (30) driving of the base cylinder (10) is rotated, and at least one static contact is provided with base cylinder (10) inwall
(11) cam-like a being used cooperatively moving contact (12), is provided with the rotating shaft (20), the moving contact (12) is with institute
It can realize and contact with separating with the static contact (11) during stating rotating shaft (20) rotation, and the static contact (11) and institute
State moving contact (12) to be electrically connected on the binding post (13) of the base cylinder (10) outside, the base cylinder (10) and the rotating shaft
(20) axial magnetic field is formed between；
Temperature compensation system (4) is provided with the base cylinder (10) and around the axial magnetic field；The temperature compensation system (4)
Including temperature-compensating room (40), temperature-compensating room (40) both sides are provided with the triggering hole for coordinating the static contact (11)
(41), it is provided with system sensor (42) in triggering hole (41)；Temperature-compensating is provided with the temperature-compensating room (40)
Shroud (50), some temperature-compensating magnetic force adapters, the temperature-compensating magnetic are arranged side by side on the temperature-compensating shroud (50)
Temperature-reducing medium (60) is mounted with power adapter, two groups of flow diverters being used cooperatively are additionally provided with the temperature-compensating room (40)
(43) some temperature-compensatings being connected with the temperature-compensating room (40), are additionally provided with the temperature-compensating shroud (50) to connect
Mouth (70).
A kind of 2. power circuit breaker according to claim 1, it is characterised in that：The base cylinder (10) or rotating shaft (20) are by permanent magnetism
Body is formed, and the axial magnetic field is made up of the permanent magnetic field of the base cylinder (10) or rotating shaft (20)；It is provided with the base cylinder (10)
It is made up of inside solenoid (14), the base cylinder (10) or rotating shaft (20) ferromagnetics；The axial magnetic field is by the solenoid
(14) current-carrying and excitation forms on the base cylinder (10) or rotating shaft (20).
A kind of 3. power circuit breaker according to claim 1, it is characterised in that：It is additionally provided with the rotating shaft (20) from one end
The helical wing (21) of the other end is extended to, the helical wing (21) is made up of insulating ceramics.
A kind of 4. power circuit breaker according to claim 1, it is characterised in that：The temperature-compensating interface (70) is by cylinder
Partly (71) and tapered segment (72) composition, and cylindrical portions (71) are provided in the temperature-compensating room (40), it is described
Tapered segment (72) is provided on the temperature-compensating shroud (50), and the tapered segment (72) if side wall on be provided with
Stem grafting mouth (73).
A kind of 5. power circuit breaker according to claim 1, it is characterised in that：Temperature-compensating room (40) top and bottom
It is respectively provided with and axially connects hole (80), the axial direction meets the company for being provided with hole (80) and coordinating the rotating shaft (20), axial magnetic field to use
Connect valve block (81).
A kind of 6. power circuit breaker according to claim 1, it is characterised in that：The temperature-compensating magnetic force adapter includes connection
Jointing (51) on the temperature-compensating shroud (50), and it is arranged on the magnetic force outburst pipe among jointing (51)
(52), and the temperature-reducing medium (60) is installed in magnetic force outburst pipe (52) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475822.4A CN106057601B (en) | 2016-06-27 | 2016-06-27 | A kind of power circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475822.4A CN106057601B (en) | 2016-06-27 | 2016-06-27 | A kind of power circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106057601A CN106057601A (en) | 2016-10-26 |
| CN106057601B true CN106057601B (en) | 2018-02-16 |
Family
ID=57167143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610475822.4A Expired - Fee Related CN106057601B (en) | 2016-06-27 | 2016-06-27 | A kind of power circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106057601B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687483A (en) * | 1969-11-05 | 1972-08-29 | Hoesch Ag | Arrangements for sensing and correcting the level of a body |
| GB1486159A (en) * | 1974-02-15 | 1977-09-21 | Vdo Schindling | Pressure medium operated switching apparatus |
| CN2435829Y (en) * | 2000-06-28 | 2001-06-20 | 胡广生 | Isolating knife switch with temp. compensation |
| CN1304379A (en) * | 1999-02-26 | 2001-07-18 | 克罗诺斯集成微系统公司 | Temp. compensated microelectromechanical structures and methods of compensatiing effects of ambient temp. variations |
| CN201017834Y (en) * | 2007-02-16 | 2008-02-06 | 郑巨森 | Low pressure circuit breakers |
-
2016
- 2016-06-27 CN CN201610475822.4A patent/CN106057601B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687483A (en) * | 1969-11-05 | 1972-08-29 | Hoesch Ag | Arrangements for sensing and correcting the level of a body |
| GB1486159A (en) * | 1974-02-15 | 1977-09-21 | Vdo Schindling | Pressure medium operated switching apparatus |
| CN1304379A (en) * | 1999-02-26 | 2001-07-18 | 克罗诺斯集成微系统公司 | Temp. compensated microelectromechanical structures and methods of compensatiing effects of ambient temp. variations |
| CN2435829Y (en) * | 2000-06-28 | 2001-06-20 | 胡广生 | Isolating knife switch with temp. compensation |
| CN201017834Y (en) * | 2007-02-16 | 2008-02-06 | 郑巨森 | Low pressure circuit breakers |
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| Publication number | Publication date |
|---|---|
| CN106057601A (en) | 2016-10-26 |
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