CN203931983U - A kind of Based Intelligent Control and protective device - Google Patents
A kind of Based Intelligent Control and protective device Download PDFInfo
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- CN203931983U CN203931983U CN201420177250.8U CN201420177250U CN203931983U CN 203931983 U CN203931983 U CN 203931983U CN 201420177250 U CN201420177250 U CN 201420177250U CN 203931983 U CN203931983 U CN 203931983U
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Abstract
Technical problem to be solved in the utility model is to provide a kind of Based Intelligent Control and protective device for above drawback, comprise support, arc-extinguish chamber, moving contact supporting mechanism, fixed contact connecting plate, fixed contact bracing frame, moving contact connecting plate and fixed component, in described support, be provided with the moving contact supporting mechanism deck of annular, described moving contact supporting mechanism snaps in and is fixed in described moving contact supporting mechanism deck, described support is provided with through hole, described fixed contact connecting plate is bolted on the both sides of described support through hole, described fixed contact bracing frame by bolt above described fixed contact connecting plate, the support column of described moving contact supporting mechanism passes in through hole, described moving contact connecting plate is fixed on described moving contact supporting mechanism by fixed component, described arc-extinguish chamber cover is combined in described support top, its arc extinguishing is quick, more safe and reliable, simple in structure, easy for installation, greatly improve packaging efficiency, artificial and cost are saved.
Description
Technical field
The utility model relates to a kind of Based Intelligent Control and protective device, belongs to power transmission and distribution technical field.
Background technology
Based Intelligent Control and protective device refer to can Based Intelligent Control close, carry and cut-off the electric current under normal loop condition, and can close, carrying and cut-off the switching device of the electric current under abnormal loop condition (comprising short circuit condition) in official hour.Can be used to distribute electric energy; do not start continually asynchronous motor; power circuit and motor etc. are carried out to protection; can automatic shutdown circuit there is the faults such as serious overload or short circuit and under-voltage, electric leakage during when them, its function is equivalent to the combination of plastic casing formula switch and A.C. contactor, earth leakage protector, motor protector etc.
Traditional control and protective device comprise fixed contact connecting plate, moving contact connecting plate and arc-extinguish chamber, in arc-extinguish chamber, be provided with arc-chute, in the time that being in contact with one another, moving contact and fixed contact can produce electric arc, but due to the restriction of moving contact connecting board structure, adsorptivity between itself and arc-chute is not fine, electric arc can directly puncture the housing to arc-extinguish chamber by moving contact connecting plate, damage arc-extinguish chamber, cause that fire burns, safety to equipment and personnel threatens, simultaneously, moving contact connecting plate need to be fixed on moving contact supporting mechanism, moving contact supporting mechanism comprises moving contact supporting seat, permanent-magnet operating mechanism and spring structure, between moving contact supporting seat and permanent-magnet operating mechanism, be conventionally fixed by the mode of bolt or welding, complex operation, inconvenience is installed, very flexible, greatly waste man power and material, and spring structure generally comprises four springs, assembling is complicated, active force is inhomogeneous, stationarity is poor.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of Based Intelligent Control and protective device for above drawback, and its arc extinguishing is quick, more safe and reliable, simple in structure, easy for installation, has greatly improved packaging efficiency, has saved artificial and cost.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of Based Intelligent Control and protective device, comprise support, arc-extinguish chamber, moving contact supporting mechanism, fixed contact connecting plate, fixed contact bracing frame, moving contact connecting plate and fixed component, in described support, be provided with the moving contact supporting mechanism deck of annular, described moving contact supporting mechanism snaps in and is fixed in described moving contact supporting mechanism deck, described support is provided with through hole, described fixed contact connecting plate is bolted on the both sides of described support through hole, described fixed contact bracing frame is bolted on described fixed contact connecting plate top, fixed contact bracing frame is provided with fixed contact, the support column of described moving contact supporting mechanism passes in through hole, described moving contact connecting plate is fixed on described moving contact supporting mechanism by fixed component, described arc-extinguish chamber cover is combined in described support top,
Described moving contact connecting plate, comprise main connecting plate, auxiliary connecting plate and moving contact, described main connecting plate comprises the main connecting plate body of rectangle, described main connecting plate body extends ground and is respectively provided with a clamping part to both sides, described clamping part outside vertical in clamping part upwards be provided with baffle plate, clamping part is provided with the card interface of rectangle, the width of described card interface is identical with the width of described clamping part, described main connecting plate extends ground and is respectively provided with a guided plate to two ends, two corners of described guided plate are arc-shaped structure, the 7-8 of the length that described main connecting plate body length is described guided plate doubly, the angle a of described guided plate and horizontal direction is 30-65 °, described auxiliary connecting plate two ends are respectively provided with a circular fixing hole, the shape of auxiliary connecting plate, the shape of big or small and described main connecting plate body, size is identical, described auxiliary connecting plate is welded to connect above described main connecting plate, the below of described main connecting plate has been welded to connect two moving contacts,
Described moving contact supporting mechanism, comprise moving contact supporting seat, permanent-magnet operating mechanism and counter-force spring, described counter-force spring comprises spring abutment and a main spring, described spring abutment is circular ring structure, on spring abutment, be circumferentially with a circle holddown groove, described main spring is fixed in holddown groove, described permanent-magnet operating mechanism bottom is circumferentially with a circle projective structure as yoke configurations, the external diameter of the internal diameter < 1.05* yoke configurations of the external diameter < spring abutment of described yoke configurations, described spring abutment is fixed in the yoke configurations of described permanent-magnet operating mechanism bottom, described main spring is fixed on described spring abutment, and be enclosed within the outside of permanent-magnet operating mechanism,
Described moving contact supporting seat comprises pedestal, on described pedestal, be vertically provided with three support columns, described support column is provided with two links, described pedestal comprises the main basal base of rectangle, main basal base dual-side is respectively provided with the Connection Block of a circular arc, main basal base and Connection Block are integral type structure, and the height of main basal base is greater than the height of Connection Block, described main basal base and Connection Block bottom cave inward and form the first cavity of an integral type, in described the first cavity, connecting plate is installed, the shape of described connecting plate, the shape of big or small and described the first cavity, size matches, described connecting plate is bolted on pedestal, described connecting plate main body is circular configuration, its outwardly formation second cavity in middle part, described the second cavity is provided with bayonet socket, described bayonet socket forms by crossing ferry and card interface, described ferry is excessively circular configuration, card interface is rectangular configuration, one end of card interface is semicircular structure, the center of circle of the circular configuration of the center of circle of the semicircular structure of described card interface and connecting plate main body is same point, described permanent-magnet operating mechanism comprises a columniform mechanism body, mechanism body is provided with cylinder lever connecting rod, described cylinder lever connecting rod top is provided with the first chuck, the first chuck below is provided with the second chuck, the equal diameters of described the first chuck and the second chuck, and the thickness of the first chuck is greater than the second chuck, between described moving contact supporting seat and permanent-magnet operating mechanism, pass through cylinder lever connecting rod, first, the second chuck and bayonet socket cooperatively interact and realize clamping and be connected, the thickness of the spacing < 1.2* connecting plate between thickness < the first chuck and second chuck of described connecting plate, the diameter of the diameter < 1.1* cylinder lever connecting rod of the diameter < card interface top semi-circular structure of described cylinder lever connecting rod, the diameter < of described the first chuck crosses the diameter of ferry diameter < 1.5* the first chuck,
Described fixed component comprises joint pin and fixed head, described fixed head middle part is provided with the outstanding structure of M shape, the link of described moving contact supporting mechanism is through the card interface of described moving contact, described outstanding structure is pressed together on moving contact connecting plate, joint pin is pressed together in the sunk structure of outstanding structure M shape, and be fixed on the inwall of two links, both sides, described fixed head bottom are provided with two projections, and described projection matches with the fixing hole on the auxiliary connecting plate of described moving contact.
Above-mentioned a kind of Based Intelligent Control and protective device, wherein, described clamping part be shaped as isosceles trapezoid, two sides of isosceles trapezoid are arcuate structure.
Above-mentioned a kind of Based Intelligent Control and protective device, wherein, the diameter of the diameter of described permanent-magnet operating mechanism main body=described connecting plate main body.
Above-mentioned a kind of Based Intelligent Control and protective device, wherein, the thickness * 1.2 of the degree of depth=the first chuck of described the second cavity.
The beneficial effects of the utility model are:
1, the utility model moving contact connecting plate is placed on the moving contact supporting mechanism of Based Intelligent Control and protective device, then the link of moving contact supporting mechanism is passed to the card interface on clamping part, the length of card interface and width are slightly larger than length and the width of link, be fixed on moving contact supporting mechanism by fixed component again, projection on fixed part can be realized with the further of moving contact connecting plate and being fixed by the fixing hole on auxiliary connecting plate, prevent slippage, and the link of baffle plate and moving contact supporting mechanism is used in conjunction with, can prevent that moving contact connecting plate is because connecting insecure rocking, the fixed head of M shape structure has been strengthened fixation, more safe and reliable,
When use, in the time that contacting, the moving contact of moving contact connecting plate and the fixed contact of fixed contact can produce electric arc, electric arc guides in the arc-chute in arc-extinguish chamber by guided plate, and carry out arc extinguishing by arc-extinguish chamber, because in the time that arc-chute packs in arc-extinguish chamber, the top of arc-chute there is no fear of contacting with the cover top of arc-extinguish chamber, so the angle a of guided plate and horizontal direction is set to 30-65 °, length is set to the 1/7-1/8 of guided plate, thus, no matter how moving contact connecting plate moves in arc-extinguish chamber, its guided plate all can directly not contact with the housing of arc-extinguish chamber, but directly electric arc is guided in arc-chute, greatly strengthen the adsorptivity between moving contact connecting plate and arc-chute, arc extinction performance significantly increases, quenching time shortens, dispel the heat faster, reduce the spoilage of product, save cost, ensured equipment and personnel's safety simultaneously, more safe and reliable,
Meanwhile, the corner of this moving contact connecting plate all adopts arc-shaped structure as transition structure, has avoided it in installation and use process, equipment and personnel to be damaged, safe and reasonable more.
2, when the utility model assembling is used, first permanent-magnet operating mechanism is put into the support of Based Intelligent Control and protective device, the spring abutment of counter-force spring is connected in the yoke configurations of permanent-magnet operating mechanism, main spring is snapped in spring abutment, then, the first chuck of cylinder lever connecting rod is put into the second cavity by crossing ferry, the second chuck is positioned at outside the second cavity, be moved to the left permanent-magnet operating mechanism, cylinder lever connecting rod is entered in card interface, by the first chuck and the second chuck, permanent-magnet operating mechanism clamping is connected on moving contact supporting seat, counter-force spring is played a supporting role to moving contact supporting seat, clockwise 90 ° are rotated moving contact supporting seat again, moving contact supporting mechanism can be organized complete, the utility model is simple in structure, installing/dismounting is quick, maintenance maintenance is convenient, make assembling, removal efficiency has improved more than three times, greatly save man power and material.
3, the outside that is enclosed within permanent-magnet operating mechanism using a main spring as counter-force spring, simple in structure, acting force of the spring is more even, operates more stablely, has greatly increased the action effect of moving contact supporting mechanism.
4, following design simultaneously: the thickness of (1) first chuck is greater than the second chuck, has increased the weight capacity of the first chuck, avoids pulling force to cross most equipment and causes damage; (2) thickness of the spacing < 1.2* connecting plate between thickness < the first chuck and second chuck of connecting plate, can ensure between two chucks of the smooth Snap joint pull bar of connecting plate, be unlikely to connect because spacing is excessive to become flexible even to come off, increase again the weight capacity of connecting plate, more safe and reliable; (3) diameter of the diameter < 1.1* cylinder lever connecting rod of the diameter < card interface top semi-circular structure of cylinder lever connecting rod, ensure that cylinder lever connecting rod moves freely in the second cavity, can not connect because spacing is excessive again and loosening even come off, safer; (4) the diameter < of described the first chuck crosses the diameter of ferry diameter < 1.5* the first chuck, has ensured that the first chuck can stretch in the second cavity smoothly.Above-mentioned reliable design is reasonable, has further increased security performance of the present utility model, makes to assemble advantages of simple.
Brief description of the drawings
Fig. 1 is the utility model cutaway view
Fig. 2 is the utility model left view
Fig. 3 is the vertical view of the utility model moving contact connecting plate
Fig. 4 is the end view of the utility model moving contact connecting plate
Fig. 5 is the vertical view of the main connecting plate of the utility model
Fig. 6 is the upward view of the main connecting plate of the utility model
Fig. 7 is the vertical view of the auxiliary connecting plate of the utility model
Fig. 8 is the structure chart of the utility model moving contact supporting construction
Fig. 9 is the pitching view of the utility model moving contact supporting seat
Figure 10 is the structure chart of the utility model permanent-magnet operating mechanism
Figure 11 is the cutaway view of the utility model connecting plate
Figure 12 is the vertical view of the utility model spring abutment
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of Based Intelligent Control and protective device as shown in the figure, comprise support 1, arc-extinguish chamber 2, moving contact supporting mechanism 3, fixed contact connecting plate 4, fixed contact bracing frame 5, moving contact connecting plate 6 and fixed component 7, in described support 1, be provided with the moving contact supporting mechanism deck 8 of annular, described moving contact supporting mechanism 3 snaps in and is fixed in described moving contact supporting mechanism deck 8, described support 1 is provided with through hole 9, described fixed contact connecting plate 4 is fixed on the both sides of described support through hole 9 by bolt 10, described fixed contact bracing frame 5 passes through bolt 9 above described fixed contact connecting plate 4, fixed contact bracing frame 5 is provided with fixed contact 11, the support column 315 of described moving contact supporting mechanism 3 passes in through hole 9, described moving contact connecting plate 6 is fixed on described moving contact supporting mechanism 3 by fixed component 7, described arc-extinguish chamber 2 covers are combined in described support 1 top,
Described moving contact connecting plate 6 comprises main connecting plate 61, auxiliary connecting plate 62 and moving contact 63, described main connecting plate 61 comprises the main connecting plate body 64 of rectangle, described main connecting plate body 64 extends ground and is respectively provided with a clamping part 65 to both sides, described clamping part 65 be shaped as isosceles trapezoid, two sides 651 of isosceles trapezoid are arcuate structure, described clamping part 65 outside vertical in clamping part upwards be provided with baffle plate 66, clamping part 65 is provided with the card interface 67 of rectangle, the width h6 of described card interface 67 is identical with the width h7 of described clamping part 65, described main connecting plate 61 extends ground and is respectively provided with a guided plate 68 to two ends, two corners 681 of described guided plate 68 are arc-shaped structure, the 7-8 of the length A 3 that described main connecting plate body 64 length A 1 are described guided plate 68 doubly, described guided plate 68 is 30-65 ° with the angle b of horizontal direction, described auxiliary connecting plate 62 two ends are respectively provided with a circular fixing hole 69, the shape of auxiliary connecting plate 62, length A 2, the shape of width B 2 and described main connecting plate body 64, length A 1, width B 1 is identical, be A1=A2, B1=B2, described auxiliary connecting plate 62 is welded to connect above described main connecting plate 61, the below of described main connecting plate 61 has been welded to connect two moving contacts 63,
Described moving contact supporting mechanism 3, comprise moving contact supporting seat 31, permanent-magnet operating mechanism 32 and counter-force spring 319, described counter-force spring 319 comprises spring abutment 320 and a main spring 321, described spring abutment 320 is circular ring structure, on spring abutment 320, be circumferentially with a circle holddown groove 322, described main spring 321 snaps in holddown groove 322, described permanent-magnet operating mechanism 32 bottoms are circumferentially with a circle projective structure as yoke configurations 323, the outside diameter d 9 of inner diameter d 8 < 1.05 yoke configurations 323 of the outside diameter d 9 < spring abutments 320 of described yoke configurations 323, described spring abutment 320 is fixed in the yoke configurations 323 of described permanent-magnet operating mechanism bottom, described main spring 332 is fixed on described spring abutment 330, and be enclosed within the outside of permanent-magnet operating mechanism 32,
Described moving contact supporting seat 31 comprises pedestal 313, on described pedestal 313, be vertically provided with three support columns 315, described support column 315 is provided with two links 311, described pedestal 313 comprises the main basal base 314 of rectangle, main basal base 314 dual-sides are respectively provided with the Connection Block 316 of a circular arc, main basal base 314 is integral type structure with Connection Block 316, and the height h1 of main basal base 314 is greater than the height h2 of Connection Block 316, described main basal base 314 caves inward and forms the first cavity 317 of an integral type with Connection Block 316 bottoms, in described the first cavity 317, connecting plate 318 is installed, the shape of described connecting plate 318, the shape of big or small and described the first cavity 317, size matches, described connecting plate 318 is fixed on pedestal 313 by bolt 319, described connecting plate main body 3110 is circular configuration, its outwardly formation second cavity 3111 in middle part, described the second cavity 3111 is provided with bayonet socket 3112, described bayonet socket 3112 forms by crossing ferry 3113 and card interface 3114, described ferry 3113 is excessively circular configuration, card interface 3114 is rectangular configuration, one end of card interface 3114 is semicircular structure, the center of circle A1 of the center of circle A of the semicircular structure of described card interface 3114 and the circular configuration of connecting plate main body 3110 is same point, described permanent-magnet operating mechanism 32 comprises a columniform mechanism body 3215, mechanism body 3215 is provided with cylinder lever connecting rod 3216, described cylinder lever connecting rod 3216 tops are provided with the first chuck 3217, the first chuck 3217 belows are provided with the second chuck 3218, the diameter d 2 of described the first chuck 3217 equates with the diameter d 4 of the second chuck 3218, and the thickness h 3 of the first chuck is greater than the thickness h 4 of the second chuck, between described moving contact supporting seat 31 and permanent-magnet operating mechanism 32, pass through cylinder lever connecting rod 3216, first, the second chuck 3217, 3218 cooperatively interact and realize clamping and be connected with bayonet socket 3212, the thickness H1 of the spacing L1 < 1.2* connecting plate 318 between thickness H1 < the first chuck 3217 and second chuck 3218 of described connecting plate 318, the diameter d 1 of the diameter d 6 < 1.1* cylinder lever connecting rods 3216 of the diameter d 1 < card interface 3114 top semi-circular structure of described cylinder lever connecting rod 3216, diameter d 2 < of described the first chuck 3217 cross the diameter d 2 of ferry 3113 diameter d 3 < 1.5* the first chucks, the diameter d 7 of connecting plate main body described in the diameter d 5=of described permanent-magnet operating mechanism main body, the thickness h 3*1.2 of degree of depth h5=first chuck of described the second cavity,
Described fixed component 7 comprises joint pin 71 and fixed head 72, described fixed head 72 middle parts are provided with the outstanding structure 73 of M shape, the link 311 of described moving contact supporting mechanism is through the card interface 67 of described moving contact, described outstanding structure 73 is pressed together on moving contact connecting plate 6, joint pin 71 is pressed together in the sunk structure of outstanding structure 73M shape, and be fixed on the inwall of two links 311, both sides, described fixed head bottom are provided with two projections, and described projection matches with the fixing hole on the auxiliary connecting plate of described moving contact.
The beneficial effects of the utility model are:
1, the utility model moving contact connecting plate is placed on the moving contact supporting mechanism of Based Intelligent Control and protective device, then the link of moving contact supporting mechanism is passed to the card interface on clamping part, the length of card interface and width are slightly larger than length and the width of link, be fixed on moving contact supporting mechanism by fixed component again, projection on fixed part can be realized with the further of moving contact connecting plate and being fixed by the fixing hole on auxiliary connecting plate, prevent slippage, and the link of baffle plate and moving contact supporting mechanism is used in conjunction with, can prevent that moving contact connecting plate is because connecting insecure rocking, the fixed head of M shape structure has been strengthened fixation, more safe and reliable,
When use, in the time that contacting, the moving contact of moving contact connecting plate and the fixed contact of fixed contact can produce electric arc, electric arc guides in the arc-chute in arc-extinguish chamber by guided plate, and carry out arc extinguishing by arc-extinguish chamber, because in the time that arc-chute packs in arc-extinguish chamber, the top of arc-chute there is no fear of contacting with the cover top of arc-extinguish chamber, so the angle a of guided plate and horizontal direction is set to 30-65 °, length is set to the 1/7-1/8 of guided plate, thus, no matter how moving contact connecting plate moves in arc-extinguish chamber, its guided plate all can directly not contact with the housing of arc-extinguish chamber, but directly electric arc is guided in arc-chute, greatly strengthen the adsorptivity between moving contact connecting plate and arc-chute, arc extinction performance significantly increases, quenching time shortens, dispel the heat faster, reduce the spoilage of product, save cost, ensured equipment and personnel's safety simultaneously, more safe and reliable,
Meanwhile, the corner of this moving contact connecting plate all adopts arc-shaped structure as transition structure, has avoided it in installation and use process, equipment and personnel to be damaged, safe and reasonable more.
2, when the utility model assembling is used, first permanent-magnet operating mechanism is put into the support of Based Intelligent Control and protective device, the spring abutment of counter-force spring is connected in the yoke configurations of permanent-magnet operating mechanism, main spring is snapped in spring abutment, then, the first chuck of cylinder lever connecting rod is put into the second cavity by crossing ferry, the second chuck is positioned at outside the second cavity, be moved to the left permanent-magnet operating mechanism, cylinder lever connecting rod is entered in card interface, by the first chuck and the second chuck, permanent-magnet operating mechanism clamping is connected on moving contact supporting seat, counter-force spring is played a supporting role to moving contact supporting seat, clockwise 90 ° are rotated moving contact supporting seat again, moving contact supporting mechanism can be organized complete, the utility model is simple in structure, installing/dismounting is quick, maintenance maintenance is convenient, make assembling, removal efficiency has improved more than three times, greatly save man power and material.
3, the outside that is enclosed within permanent-magnet operating mechanism using a main spring as counter-force spring, simple in structure, acting force of the spring is more even, operates more stablely, has greatly increased the action effect of moving contact supporting mechanism.
4, following design simultaneously: the thickness of (1) first chuck is greater than the second chuck, has increased the weight capacity of the first chuck, avoids pulling force to cross most equipment and causes damage; (2) thickness of the spacing < 1.2* connecting plate between thickness < the first chuck and second chuck of connecting plate, can ensure between two chucks of the smooth Snap joint pull bar of connecting plate, be unlikely to connect because spacing is excessive to become flexible even to come off, increase again the weight capacity of connecting plate, more safe and reliable; (3) diameter of the diameter < 1.1* cylinder lever connecting rod of the diameter < card interface top semi-circular structure of cylinder lever connecting rod, ensure that cylinder lever connecting rod moves freely in the second cavity, can not connect because spacing is excessive again and loosening even come off, safer; (4) the diameter < of described the first chuck crosses the diameter of ferry diameter < 1.5* the first chuck, has ensured that the first chuck can stretch in the second cavity smoothly.Above-mentioned reliable design is reasonable, has further increased security performance of the present utility model, makes to assemble advantages of simple.
Now to the angle b of the moving contact connecting plate guided plate 68 in example and horizontal direction respectively value be:
Quenching time between above-mentioned four experimental group and two traditional moving contact connecting plates is contrasted, and every group of example carries out 10,000 experiments, gets its experimental result mean value, and contrast experiment's situation is as follows:
| The average quenching time (s) | The intact degree of arc-extinguish chamber housing | |
| Experimental group one | 0.006 | Housing is excellent bad |
| Experimental group two | 0.003 | Housing is excellent bad |
| Experimental group three | 0.008 | Housing is excellent bad |
| Experimental group four | 0.010 | Housing is excellent bad |
| Traditional group one | 0.015 | Housing has the unconspicuous vestige that burns |
| Traditional group two | 0.013 | Housing has and significantly burns vestige |
Can be drawn by above-mentioned experiment, use moving contact connecting plate of the present utility model, the quenching time significantly shortens, and efficiency increases greatly, without damage, more safe and reliable to arc-extinguish chamber.
Here description of the present utility model and application is illustrative; not want scope of the present utility model to limit in the above-described embodiments; therefore, the utility model is not subject to the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of the utility model protection.
Claims (4)
1. a Based Intelligent Control and protective device, comprise support, arc-extinguish chamber, moving contact supporting mechanism, fixed contact connecting plate, fixed contact bracing frame, moving contact connecting plate and fixed component, it is characterized by, in described support, be provided with the moving contact supporting mechanism deck of annular, described moving contact supporting mechanism snaps in and is fixed in described moving contact supporting mechanism deck, described support is provided with through hole, described fixed contact connecting plate is bolted on the both sides of described support through hole, described fixed contact bracing frame is bolted on described fixed contact connecting plate top, fixed contact bracing frame is provided with fixed contact, the support column of described moving contact supporting mechanism passes in through hole, described moving contact connecting plate is fixed on described moving contact supporting mechanism by fixed component, described arc-extinguish chamber cover is combined in described support top,
Described moving contact connecting plate, comprise main connecting plate, auxiliary connecting plate and moving contact, described main connecting plate comprises the main connecting plate body of rectangle, described main connecting plate body extends ground and is respectively provided with a clamping part to both sides, described clamping part outside vertical in clamping part upwards be provided with baffle plate, clamping part is provided with the card interface of rectangle, the width of described card interface is identical with the width of described clamping part, described main connecting plate extends ground and is respectively provided with a guided plate to two ends, two corners of described guided plate are arc-shaped structure, the 7-8 of the length that described main connecting plate body length is described guided plate doubly, the angle a of described guided plate and horizontal direction is 30-65 °, described auxiliary connecting plate two ends are respectively provided with a circular fixing hole, the shape of auxiliary connecting plate, the shape of big or small and described main connecting plate body, size is identical, described auxiliary connecting plate is welded to connect above described main connecting plate, the below of described main connecting plate has been welded to connect two moving contacts,
Described moving contact supporting mechanism, comprise moving contact supporting seat, permanent-magnet operating mechanism and counter-force spring, described counter-force spring comprises spring abutment and a main spring, described spring abutment is circular ring structure, on spring abutment, be circumferentially with a circle holddown groove, described main spring is fixed in holddown groove, described permanent-magnet operating mechanism bottom is circumferentially with a circle projective structure as yoke configurations, the external diameter of the internal diameter < 1.05* yoke configurations of the external diameter < spring abutment of described yoke configurations, described spring abutment is fixed in the yoke configurations of described permanent-magnet operating mechanism bottom, described main spring is fixed on described spring abutment, and be enclosed within the outside of permanent-magnet operating mechanism,
Described moving contact supporting seat comprises pedestal, on described pedestal, be vertically provided with three support columns, described support column is provided with two links, described pedestal comprises the main basal base of rectangle, main basal base dual-side is respectively provided with the Connection Block of a circular arc, main basal base and Connection Block are integral type structure, and the height of main basal base is greater than the height of Connection Block, described main basal base and Connection Block bottom cave inward and form the first cavity of an integral type, in described the first cavity, connecting plate is installed, the shape of described connecting plate, the shape of big or small and described the first cavity, size matches, described connecting plate is bolted on pedestal, described connecting plate main body is circular configuration, its outwardly formation second cavity in middle part, described the second cavity is provided with bayonet socket, described bayonet socket forms by crossing ferry and card interface, described ferry is excessively circular configuration, card interface is rectangular configuration, one end of card interface is semicircular structure, the center of circle of the circular configuration of the center of circle of the semicircular structure of described card interface and connecting plate main body is same point, described permanent-magnet operating mechanism comprises a columniform mechanism body, mechanism body is provided with cylinder lever connecting rod, described cylinder lever connecting rod top is provided with the first chuck, the first chuck below is provided with the second chuck, the equal diameters of described the first chuck and the second chuck, and the thickness of the first chuck is greater than the second chuck, between described moving contact supporting seat and permanent-magnet operating mechanism, pass through cylinder lever connecting rod, first, the second chuck and bayonet socket cooperatively interact and realize clamping and be connected, the thickness of the spacing < 1.2* connecting plate between thickness < the first chuck and second chuck of described connecting plate, the diameter of the diameter < 1.1* cylinder lever connecting rod of the diameter < card interface top semi-circular structure of described cylinder lever connecting rod, the diameter < of described the first chuck crosses the diameter of ferry diameter < 1.5* the first chuck,
Described fixed component comprises joint pin and fixed head, described fixed head middle part is provided with the outstanding structure of M shape, the link of described moving contact supporting mechanism is through the card interface of described moving contact, described outstanding structure is pressed together on moving contact connecting plate, joint pin is pressed together in the sunk structure of outstanding structure M shape, and be fixed on the inwall of two links, both sides, described fixed head bottom are provided with two projections, and described projection matches with the fixing hole on the auxiliary connecting plate of described moving contact.
2. a kind of Based Intelligent Control as claimed in claim 1 and protective device, is characterized by, described clamping part be shaped as isosceles trapezoid, two sides of isosceles trapezoid are arcuate structure.
3. a kind of Based Intelligent Control as claimed in claim 1 and protective device, is characterized by, the diameter of the diameter=described connecting plate main body of described permanent-magnet operating mechanism main body.
4. a kind of Based Intelligent Control as claimed in claim 1 and protective device, is characterized by, the thickness * 1.2 of the degree of depth=the first chuck of described the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177250.8U CN203931983U (en) | 2014-04-11 | 2014-04-11 | A kind of Based Intelligent Control and protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177250.8U CN203931983U (en) | 2014-04-11 | 2014-04-11 | A kind of Based Intelligent Control and protective device |
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| Publication Number | Publication Date |
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| CN203931983U true CN203931983U (en) | 2014-11-05 |
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| CN201420177250.8U Expired - Fee Related CN203931983U (en) | 2014-04-11 | 2014-04-11 | A kind of Based Intelligent Control and protective device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183438A (en) * | 2014-04-11 | 2014-12-03 | 江苏中金输配电设备有限公司 | Intelligent control and protection device |
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2014
- 2014-04-11 CN CN201420177250.8U patent/CN203931983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183438A (en) * | 2014-04-11 | 2014-12-03 | 江苏中金输配电设备有限公司 | Intelligent control and protection device |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20141105 Termination date: 20160411 |