CN208767211U - A kind of safe arc-control device of high efficiency and heat radiation - Google Patents
A kind of safe arc-control device of high efficiency and heat radiation Download PDFInfo
- Publication number
- CN208767211U CN208767211U CN201821059566.1U CN201821059566U CN208767211U CN 208767211 U CN208767211 U CN 208767211U CN 201821059566 U CN201821059566 U CN 201821059566U CN 208767211 U CN208767211 U CN 208767211U
- Authority
- CN
- China
- Prior art keywords
- arc
- control device
- plastic casing
- high efficiency
- heat radiation
- 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.)
- Active
Links
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a kind of safe arc-control device of high efficiency and heat radiation; including main body; it is characterized by: the main body includes plastic casing, metal line winding group, protective cover, arc end and output end; it is characterized by: the plastic casing is provided with hollow sandwich; metal line winding group is sealed in inside the hollow sandwich, and the columnar arc end of inclination protrusion is provided at the top of the plastic casing；One end of metal line winding group is fixed on arc end, and the bottom of plastic casing is provided with outlet, and the other end of metal line winding group is drawn by outlet and is connected to the output end；Protective cover is set to the top of plastic casing and extends to outside arc end.The utility model can be effectively improved the arc end of arc-control device under high current or hard arc scaling loss easy to oxidize it is bad, improve the reliability and durability of arc-control device.
Description
Technical field
The utility model relates to gas insulated load switch cabinet technical field, the safe arc extinguishing of especially a kind of high efficiency and heat radiation
Device.
Background technique
When existing AC load switch or breaker cut-off circuit, since ionization can produce in contact breaking course
Raw electric arc.At the same time, the electronics and negative ions to dissociate in arc gap can be compound when meeting, and re-forms neutral gas
There is deionization phenomenon and weakens ionization process in molecule.Therefore, ionization and deionization are simultaneous, work as ionization rate
When greater than deionization speed, electric arc meeting sustained combustion, conversely, electric arc can extinguish.Arc quenching method used at present mainly has, directly
Action pneumatic type, rotation air pressing type, gyromagnet arc extinguishing type and arc-chute arc extinguishing type.Wherein gyromagnet arc extinguishing type, exactly when high pressure is cut-off,
Petersen coil is introduced using arc extinguishing electrode handle arc current is introduced, the magnetic field that arc current generates in Petersen coil keeps electric arc fast
Speed rotation, the electric arc of rotation are elongated, constantly contact fresh SF6 insulating gas, discharge thermal energy, be cooled quickly, work as electricity
When flowing through zero, electric arc is off.
Existing arc-extinguish chamber generallys use fixed ring winding enameled wire or metal tape winding, winding starting point and striking in plastics
End electrical connection, winding ends are connect with the outer anchor ear of metal.Electric arc introduces electric arc by arc end, in high current or hard arc, striking
End causes striking effect to be deteriorated, reliability reduces as striking number increase arc end itself is easy to oxidize and scaling loss.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of gas-insulated switch arc-control device, can effectively change
The arc end of kind arc-control device under high current or hard arc scaling loss easy to oxidize it is bad, improve the reliable of arc-control device
Property and durability.
To achieve the above object, the utility model is achieved by following technical proposals:
A kind of safe arc-control device of high efficiency and heat radiation, including main body, it is characterised in that: the main body include plastic casing,
Metal line winding group, protective cover, arc end and output end, it is characterised in that: the plastic casing is provided with hollow sandwich, metal wire
Winding is sealed in inside the hollow sandwich, and the columnar striking of inclination protrusion is provided at the top of the plastic casing
End；One end of metal line winding group is fixed on arc end, and the bottom of plastic casing is provided with outlet, metal line winding group it is another
It is drawn by outlet and is connected to the output end in end；Protective cover is set to the top of plastic casing and extends to outside arc end
Portion.
The plastic casing bottom is provided with mounting base, and the bottom of mounting base is provided with mounting hole, can pass through adaptation
This arc-control device is installed on the metallic support on corresponding switching device by screw.
The bottom of the plastic casing is provided with heat release hole, can quickly discharge internal heat, promotes electric arc cooling,
Accelerate arc extinguishing process.
The mounting base setting is extended to the guide groove for being used to install metal wire of output end by outlet.
The corner of the guide groove, which is provided with, realizes the fixation fixture block of turning for metal wire to be fixed.
The metal line winding group uses sectional area to form for the brass wire coiling of 1.0-2.0mm2, and brass wire outer layer covers are exhausted
Edge layer.
The number of turns of the metal line winding group is 20-30 circle, and winding resistance is not more than 1.5 ohm.
The protective cover is made of copper or iron material.
The plastic casing is made of flame-retardant insulating material.
The utility model has the following beneficial effects:
The utility model is easy under high current or hard arc for the arc end 12 of arc-control device in the prior art
The defect of oxidization burning loss is provided with the protective cover with good conductive force at the top of plastic casing, while protective cover prolongs
It extends to outside arc end, so that electric arc is instantaneously spread in the high heat that arc end generates quickly through protective cover, thus effectively
Arc end and plastic casing are protected, improves the reliability and durability of arc-control device, the utility model is further in mounting base
Bottom be provided with heat release hole, further promote the heat dissipation effect and arc quenching effect of arc extinguishing process, protect arc-control device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-section of the utility model；
Fig. 3 is state diagram when the utility model is applied to three-stations load switch or killer switch；
Wherein, 1- casing, 2- gas tank, 3- moving contact, 4- contact connecting rod, 5- grounding contact, 6- static contact, 7- interrupter cartridge
It sets, 8- bus, 9- closing switch position, 10- separating brake switch position；11- protective cover, 12- arc end, 13- plastic casing, 14- metal
Line winding group, 15- output end, 16- guide groove, 17- heat release hole, 18- fixed fixture block, 19- mounting hole.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
It is as depicted in figs. 1 and 2: a kind of safe arc-control device of high efficiency and heat radiation, including main body, it is characterised in that: the master
Body includes plastic casing 13, metal line winding group 14, protective cover 11, arc end 12 and output end 15, it is characterised in that: the plastics
Shell 13 is made of flame-retardant insulating material, and plastic casing 13 is provided with hollow sandwich, and metal line winding group 14 is sealed in described
Inside empty interlayer, the top of the plastic casing 13 is provided with the columnar arc end 12 of inclination protrusion；Metal line winding group 14
One end be fixed on arc end 12, the bottom of plastic casing 13 is provided with outlet, and the other end of metal line winding group 14 is by drawing
The output end 15 is drawn and is connected in outlet, and the protective cover 11 uses the metal material with good conductive force such as
Copper or iron are made, and protective cover 11 covers at the top of plastic casing 13 and extends to outside arc end 12.
13 bottom of plastic casing is provided with the mounting base for being installed to this arc-control device on corresponding switching device,
The attachment base and the plastic casing 13 are integrally formed, and the bottom of mounting base is provided with mounting hole 19 and heat release hole 17, are installed
Seat is provided with guide groove 16 for metal wire by outlet to output end 15, and the corner of guide groove 16 is provided with for by metal line card
Close the fixed fixation fixture block 18 for realizing turning.
In the present embodiment, the metal line winding group 14 uses sectional area to form for the brass wire coiling of 1.22mm2, brass
Line outer layer covers insulating layer, the number of turns of winding are 20-30 circle, and resistance is not more than 1.5 ohm, and brass wire is drawn by plastic casing 13
Outlet draws and is connected to output end 15 along guide groove 16, and brass wire is fastened on two fixed fixture blocks in the insertion of the corner of guide groove 16
Turning is realized between 18, avoiding brass wire, tenesmus is detached from guide groove 16 in corner, is connected by the brass wire that output end 15 is drawn
Onto the corresponding bus bar copper row for opening the light device.
As shown in figure 3, the utility model is applied to the on-load switch or breaker that switch is three station positions, thirdly work
Position position is to close-cut-offfing-to be grounded, and respectively represents closing switch position 9, separating brake switch position 10 and earthing switch position, and each work
Position is switched over by switch tool, the three-station, including casing 1, moving contact 3, grounding contact 5, static contact 6, touching
Head connecting rod 4 and arc-control device 7, it is characterised in that: the casing 1 is mounted in the gas tank 2 filled with SF6 gas, casing 1
Top is hinged with moving contact 3, and grounding contact 5 is located at 1 upper right side of casing, the both ends of contact connecting rod 4 respectively with moving contact 3 and connect
Ground contact 5 is hinged, and static contact 6 is located at 1 upper left side of casing, is connected at the top of static contact 6 by connector and bus 8, on connector
The arc-control device 7 of arc end is provided with by conducting bracket.The process of arc extinguishing are as follows: after moving contact 3 and static contact 6 separate,
Electric arc can be generated between moving contact 3 and static contact 6.Electric arc arc root instantaneously moves in arc-control device 7 from static contact 6.
The utility model is using rotation arc quenching method and cooling two kinds of arc quenching methods of electric arc, and electric arc arc is with instantaneously from static contact
The arc end 12 of Petersen coil is moved to, electric current generates magnetic field by copper lines winding, and under the influence of a magnetic field, electric arc is inhaled into
It rotates, elongates in plastic hoop.The electric arc of rotation constantly contacts fresh SF6 gas, discharges thermal energy, is cooled quickly, in electricity
When flowing through zero, arc extinction.The utility model for arc-control device in the prior art arc end 12 in high current or strong
The defect of scaling loss easy to oxidize under electric arc is provided with the protective cover with good conductive force at the top of plastic casing 13
11, while protective cover 11 extends to outside arc end 12, and electric arc is enable instantaneously quickly to lead in the high heat that arc end 12 generates
Overprotection cover 11 is spread, thus effective protection arc end 12 and plastic casing 13, improves the reliability of arc-control device and durable
Property, the utility model is further provided with heat release hole 17 in the bottom of mounting base, further promotes the heat dissipation effect of arc extinguishing process
Fruit and arc quenching effect protect arc-control device.
The description of the embodiments and the specification only illustrate the principle of the present utility model and most preferred embodiment, is not taking off
Under the premise of from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes and improvements
It falls within the scope of the claimed invention.
Claims (8)
1. a kind of safe arc-control device of high efficiency and heat radiation, including main body, the main body includes plastic casing, metal line winding group, protects
Shield, arc end and output end, it is characterised in that: the columnar striking of inclination protrusion is provided at the top of the plastic casing
End；Protective cover is set to the top of plastic casing and extends to outside arc end.
2. the safe arc-control device of high efficiency and heat radiation according to claim 1, it is characterised in that: the plastic casing is provided with
Hollow sandwich, bottom are provided with outlet；Metal line winding group is sealed in inside the hollow sandwich, one end of metal line winding group
It is fixed on arc end, the other end is drawn by outlet and is connected to the output end.
3. the safe arc-control device of high efficiency and heat radiation according to claim 2, it is characterised in that: the plastic casing bottom is set
It is equipped with mounting base, the bottom of mounting base is provided with mounting hole.
4. the safe arc-control device of high efficiency and heat radiation according to claim 2, it is characterised in that: the bottom of the plastic casing
It is provided with heat release hole.
5. the safe arc-control device of high efficiency and heat radiation according to claim 3, it is characterised in that: the mounting base is arranged by drawing
Outlet extends to the guide groove of output end.
6. the safe arc-control device of high efficiency and heat radiation according to claim 5, it is characterised in that: the corner of the guide groove is set
It is equipped with and realizes the fixation fixture block of turning for metal wire to be fixed.
7. the safe arc-control device of high efficiency and heat radiation described in -6 any one according to claim 1, it is characterised in that: the metal
Line winding group uses sectional area for 1.0-2.0mm2Brass wire coiling form, brass wire outer layer covers insulating layer.
8. the safe arc-control device of high efficiency and heat radiation according to claim 7, it is characterised in that: the circle of the metal line winding group
Number is 20-30 circle, and winding resistance is not more than 1.5 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821059566.1U CN208767211U (en) | 2018-07-05 | 2018-07-05 | A kind of safe arc-control device of high efficiency and heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821059566.1U CN208767211U (en) | 2018-07-05 | 2018-07-05 | A kind of safe arc-control device of high efficiency and heat radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208767211U true CN208767211U (en) | 2019-04-19 |
Family
ID=66128181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821059566.1U Active CN208767211U (en) | 2018-07-05 | 2018-07-05 | A kind of safe arc-control device of high efficiency and heat radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208767211U (en) |
-
2018
- 2018-07-05 CN CN201821059566.1U patent/CN208767211U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20100040819A (en) | An arc remover with a current sensor and a hybrid switch with a current sensor | |
| CN102428537A (en) | Switching device | |
| CN208767211U (en) | A kind of safe arc-control device of high efficiency and heat radiation | |
| CN202650738U (en) | Electric discharge clamping porcelain insulator | |
| CN102005328B (en) | Rotating arc type arc-extinguishing device of gas insulating load switch | |
| CN208873691U (en) | A kind of structure of contact terminal | |
| CN103066555B (en) | The method of breaking arc and the method and apparatus that reactance voltage impact is provided for equipment | |
| CN201185139Y (en) | AC contactor | |
| CN202759156U (en) | Novel line arrester for electric power line | |
| CN207664440U (en) | A kind of outdoor arrester of adjustable clearance | |
| CN209087682U (en) | A kind of gas-insulated arc-control device | |
| CN100370564C (en) | Single-break-port breaker of 550 KV voltage grade | |
| CN201918301U (en) | Rotary-arc-type arc extinguishing device of gas insulated load switch | |
| CN204167901U (en) | A kind of compact high-performance lightning discharger | |
| CN205377277U (en) | Anti lightning strike protection component | |
| CN202134804U (en) | High voltage switch cabinet for changing rectangular busbar into D-shaped busbar | |
| CN103138253B (en) | Thunder and lightning induction arc extinguishing band | |
| CN106409446A (en) | Built-in column type current limiter | |
| CN206340508U (en) | A kind of electric switch of the N poles with arc-control device | |
| CN208738121U (en) | A kind of novel vacuum circuit breaker | |
| JP2523474B2 (en) | Gas circuit breaker | |
| CN205159194U (en) | Solid utmost point post that seals of PT cabinet | |
| CN218333588U (en) | Upper isolation solid insulation switch structure | |
| CN203326598U (en) | Arc-extinguishing, resonance-eliminating and all-overvoltage inhibiting cabinet | |
| CN101231912B (en) | AC contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |