CN101350268A - Permanent magnet type vacuum circuit-breaker - Google Patents
Permanent magnet type vacuum circuit-breaker Download PDFInfo
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- CN101350268A CN101350268A CN 200810146807 CN200810146807A CN101350268A CN 101350268 A CN101350268 A CN 101350268A CN 200810146807 CN200810146807 CN 200810146807 CN 200810146807 A CN200810146807 A CN 200810146807A CN 101350268 A CN101350268 A CN 101350268A
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- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 108
- 238000000034 method Methods 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention discloses a permanent-magnet vacuum circuit breaker, which comprises a circuit breaker shell body, three vacuum circuit breaker bodies and a permanent-magnet actuating mechanism, wherein each vacuum circuit breaker comprises a vacuum arc-extinguishing chamber, a movable contact, a fixed contact and an insulation draw rod which is connected with the movable contact, the permanent-magnet actuating mechanism comprises three driving components, a main shaft, a driving turn arm which is arranged on the middle portion of the main shaft, a permanent-magnet driving mechanism which is used for driving the main shaft to rotate, and two breaking spring assemblies, wherein the two breaking spring assemblies are symmetrically arranged on both sides of the driving turn arm, each breaking spring assembly comprises a breaking spring and a breaking spring driving turn arm, wherein the breaking spring driving turn arm is fixed on the main shaft, the upper end of the breaking spring is correspondingly fixed with the shell body of the circuit breaker, and the lower end thereof is connected with the breaking spring driving turn arm. The invention has the advantages that the stability and the reliability are effectively guaranteed during the long-term use, simultaneously, the cost is reduced as much as possible, and the service life of the whole machine is prolonged.
Description
Technical field
The invention belongs to breaker technical field, be specifically related to a kind of permanent magnet type vacuum circuit-breaker.
Background technology
Chinese patent 200620004381.1 discloses a kind of permanent magnetism indoor high-voltage vacuum circuit breaker, from its accompanying drawing as can be seen, comprises three vacuum circuit breaker body and a magneto operating mechanism; Described each vacuum circuit breaker body comprises vacuum interrupter, moving contact, quiet hoe, the insulated tension pole that links to each other with moving contact; Described magneto operating mechanism comprises that three transmission components, one are used for driving main shaft that the corresponding insulation pull bar moves up and down, one by runner assembly and are used for permanent magnet type drive mechanism and two disjunction spring assemblies that driving main shaft is rotated; Described permanent magnet type drive mechanism comprises drive rod, and the lower end of described drive rod drives connecting lever by one and drives described main shaft rotation; Described transmission component comprises transmission crank arm, connecting lever connecting plate, transmission arm, alignment pin; Described transmission crank arm is fixed on the main shaft; One end and the transmission crank arm of described connecting lever connecting plate is rotationally connected, an end of the other end and transmission arm is rotationally connected, the other end of described transmission arm and a corresponding insulated tension pole are rotationally connected, the middle part of described transmission arm is provided with axis hole, also is provided with one between an end that is connected with the connecting lever connecting plate of described transmission arm and the axis hole and colludes hanging hole; The described alignment pin static setting of described relatively Shell of circuit breaker and pass the axis hole of each transmission arm; Described each disjunction spring assembly comprises disjunction spring-support plate, the disjunction spring that is fixed on the Shell of circuit breaker; The upper end of described disjunction spring is hooked on the described disjunction spring-support plate, and the lower end of described disjunction spring is hooked on colluding in the hanging hole on the transmission arm; The shortcoming of this structure is: disjunction spring lower end directly is hooked on the transmission arm, and its arm of force is shorter, needs to adopt the disjunction spring that big elastic force can be provided, and this has increased cost to a certain extent; In addition because the disjunction spring directly is hooked on the transmission arm, this disjunction spring is applied to the dynamic/static contact deciliter technique effect in the elastic force against vacuum breaker body on the transmission arm, has direct influence, and in same permanent magnet type vacuum circuit-breaker, each disjunction spring is easily because of being subjected to the influence of installing and locating, bigger difference can be provided on the stretch parameter that provides, and long-term the use influences the stability and the reliability of whole magneto operating mechanism easily.
Summary of the invention
Technical problem underlying to be solved by this invention is stability and the technology of dependability problem of magneto operating mechanism in long-term the use, the useful life that reduces cost as much as possible and improve complete machine.
For solving the problems of the technologies described above, a kind of permanent magnet type vacuum circuit-breaker of the present invention comprises Shell of circuit breaker, three vacuum circuit breaker body and a magneto operating mechanism; Described each vacuum circuit breaker body comprises vacuum interrupter, moving contact, fixed contact, the insulated tension pole that links to each other with moving contact, and described magneto operating mechanism comprises that three transmission components, one are used for driving main shaft that the corresponding insulation pull bar moves up and down, driving connecting lever that is arranged on the main shaft middle part, one by each transmission component and are used for permanent magnet type drive mechanism and two disjunction spring assemblies that driving main shaft is rotated; Described permanent magnet type drive mechanism comprises drive rod, and the lower end of described drive rod drives described main shaft rotation by driving connecting lever; Described two disjunction spring assemblies are symmetricly set on described driving connecting lever both sides; Described each disjunction spring assembly comprises disjunction spring and disjunction spring transmission crank arm; Described disjunction spring transmission crank arm is fixed on the described main shaft; The upper end of described disjunction spring and Shell of circuit breaker relative fixed are provided with, and its lower end is connected with described disjunction spring transmission crank arm.
In the technique scheme, described each disjunction spring assembly also comprises link plate under disjunction spring-support plate, disjunction spring adjustable bolt assembly, disjunction spring upper hanging plate, the disjunction spring; Described disjunction spring-support plate is fixedly installed on the Shell of circuit breaker; The upper end of described disjunction spring is fixed on the disjunction spring upper hanging plate, and the lower end of described disjunction spring is fixed under the disjunction spring on the link plate, and link plate and described disjunction spring transmission crank arm are rotationally connected under the described disjunction spring; Described disjunction spring upper hanging plate and described disjunction spring adjustable bolt assembly are rotationally connected, and described disjunction spring adjustable bolt assembly and described disjunction spring-support plate are rotationally connected.
In the technique scheme, in described three transmission components, be positioned at two of main shaft left and right sides end and comprise transmission crank arm, connecting lever connecting plate, transmission arm, alignment pin, transmission arm supporting bracket from transmission component, described transmission crank arm is fixed on the main shaft, and an end and the transmission crank arm of described connecting lever connecting plate is rotationally connected, an end of the other end and transmission arm is rotationally connected; A main transmission assembly that is positioned at the main shaft middle part comprises connecting lever connecting plate, transmission arm, alignment pin, transmission arm supporting bracket; One end of described connecting lever connecting plate with drive that connecting lever is rotationally connected, an end of the other end and transmission arm is rotationally connected; The other end of described transmission arm and a corresponding insulated tension pole are rotationally connected; The middle part of described transmission arm is provided with axis hole; Described transmission arm supporting bracket is fixed on the Shell of circuit breaker; Described alignment pin is arranged in the axis hole of each transmission arm, and described transmission arm is rotationally connected by alignment pin and described transmission arm supporting bracket.
In the technique scheme, described driving connecting lever is provided with the spline spindle hole that is used for fixedlying connected with main shaft, is used for drive shaft hole that is rotationally connected with described drive rod lower end and the transmission axis hole that is rotationally connected with described connecting lever connecting plate.
In the technique scheme, described permanent magnet type drive mechanism comprises drive mechanism housing, lower yoke, coil, upper magnet yoke, permanent magnet, moving unshakable in one's determination, drive rod; Described drive mechanism housing is all stretched out in the top and bottom of described drive rod, and the lower end of described drive rod is rotationally connected with the driving connecting lever; Described coil is arranged between upper magnet yoke and the lower yoke; Described permanent magnet is arranged in ring-type, is arranged between described upper magnet yoke and the drive mechanism housing; Described moving iron core and described drive rod relative fixed are provided with.
In the technique scheme, described coil comprises switching winding and closing coil.
In the technique scheme, described switching winding is arranged on the closing coil below.
In the technique scheme, the upper end of described drive rod is provided with block piece; Described permanent magnet type drive mechanism also comprises manual switching-off device; Described manual switching-off device comprises the pedestal with axis hole that is fixedly installed on the drive mechanism housing upper surface, be arranged on manual brake separating rotating shaft in the described axis hole, be fixed on manual brake separating rotating shaft end cam, provide the elastic component of elastic force for the manual brake separating rotating shaft resets; Described cam be arranged on drive rod upper end block piece under; When described permanent magnet type drive mechanism is in "on" position, the rotating shaft of rotation manual separating brake drives described cam rotation, and described cam is in rotating process, with the block piece of the described drive rod upper end jack-up that makes progress, thereby the attraction that makes iron core overcome permanent magnet is separated and the realization manual brake separating.
In the technique scheme, the end away from described cam of described manual brake separating rotating shaft stretches out Shell of circuit breaker, and this end is provided with the forced section of being convenient to twist, and the lateral cross section shape of its forced section is a regular polygon.
In the technique scheme, described elastic component is a torsion spring, and described torsion spring set is located in the manual brake separating rotating shaft, and the one end is arranged in the manual brake separating rotating shaft, and the other end is arranged on the pedestal; Described block piece is the rounded tabs of diameter greater than the drive rod diameter.
The good effect that the present invention has:
(1) among the present invention, described two disjunction spring assemblies are symmetricly set on described driving connecting lever both sides; Described each disjunction spring assembly comprises disjunction spring and disjunction spring transmission crank arm; Described disjunction spring transmission crank arm is fixed on the described main shaft; The upper end of described disjunction spring and Shell of circuit breaker relative fixed are provided with, and its lower end is connected with described disjunction spring transmission crank arm; This structure is compared with traditional permanent magnetism indoor high-voltage vacuum circuit breaker, owing to increased the length of the arm of force, provides the disjunction of less elastic force spring so can adopt, and this has reduced cost to a certain extent; In addition, because the disjunction spring directly drives main shaft by disjunction spring transmission crank arm and rotates, main shaft drives insulated tension pole by transmission component again and moves up and down, make its divide-shut brake effect no longer be subjected to the direct effect of each disjunction spring, it is no longer easy of being subjected to the influence of installing and locating to that is to say, can effectively guarantee the stability and the reliability of whole magneto operating mechanism.
(2) among the present invention, the upper end of described drive rod is provided with block piece; Described permanent magnet type drive mechanism also comprises manual switching-off device; Described manual switching-off device comprises the pedestal with axis hole that is fixedly installed on the drive mechanism housing upper surface, be arranged on manual brake separating rotating shaft in the described axis hole, be fixed on manual brake separating rotating shaft end cam, provide the elastic component of elastic force for the manual brake separating rotating shaft resets; Described cam be arranged on drive rod upper end block piece under; When described permanent magnet type drive mechanism is in "on" position, the rotating shaft of rotation manual separating brake drives described cam rotation, and described cam is in rotating process, with the block piece of the described drive rod upper end jack-up that makes progress, thereby the attraction that makes iron core overcome permanent magnet is separated and the realization manual brake separating; This structure is set directly at manual switching-off device on the permanent magnet type drive mechanism as an optional feature, and its structure is comparatively simple, and whole manufacturing cost is also lower.
(3) among the present invention, described this end is provided with the forced section of being convenient to twist, the lateral cross section shape of its forced section is a regular polygon, because the end away from described cam of manual brake separating rotating shaft stretches out Shell of circuit breaker, so can directly utilize fastened tools to rotate this manual brake separating rotating shaft, certainly also can rotate this manual brake separating rotating shaft by the handle that the spy joins, operation is simple thereby make it.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the sectional structure schematic diagram of permanent magnet type vacuum circuit-breaker shown in Figure 1 along the A-A line;
Fig. 3 is the sectional structure schematic diagram of permanent magnet type vacuum circuit-breaker shown in Figure 1 along the B-B line;
Fig. 4 is a kind of perspective view of permanent magnet type drive mechanism in the permanent magnet type vacuum circuit-breaker shown in Figure 1;
Fig. 5 is a kind of structural representation that drives connecting lever in the permanent magnet type vacuum circuit-breaker shown in Figure 3.
Be labeled as shown in the accompanying drawing: Shell of circuit breaker 1, vacuum circuit breaker body 2, vacuum interrupter 21, moving contact, fixed contact, insulated tension pole 24, magneto operating mechanism 3, transmission component 4, main transmission assembly 4A, from transmission component 4B, transmission crank arm 41, connecting lever connecting plate 42, transmission arm 43, axis hole 431, alignment pin 44, transmission arm supporting bracket 45, power transmission shaft 45, main shaft 5 drives connecting lever 6, spline spindle hole 61, drive shaft hole 62, transmission axis hole 63, permanent magnet type drive mechanism 7, drive mechanism housing 71, lower yoke 72, coil 73, switching winding 731, closing coil 732, upper magnet yoke 74, permanent magnet 75, moving iron core 76, drive rod 77, lower end 771, upper end 772, block piece 78, manual switching-off device 79, pedestal 791, manual brake separating rotating shaft 792, forced section 7921, cam 793, elastic component 794, disjunction spring assembly 8, disjunction spring 81, disjunction spring transmission crank arm 82, upper end 811, lower end 812, disjunction spring-support plate 83, disjunction spring adjustable bolt assembly 84, disjunction spring upper hanging plate 85, link plate 86 under the disjunction spring.
Embodiment
(embodiment 1, permanent magnet type vacuum circuit-breaker)
Fig. 1 to Fig. 4 has shown a kind of embodiment of the present invention; Wherein, Fig. 1 is a kind of structural representation of the present invention, and Fig. 2 is the sectional structure schematic diagram of permanent magnet type vacuum circuit-breaker shown in Figure 1 along the A-A line; Fig. 3 is the sectional structure schematic diagram of permanent magnet type vacuum circuit-breaker shown in Figure 1 along the B-B line; Fig. 4 is a kind of perspective view of permanent magnet type drive mechanism in the permanent magnet type vacuum circuit-breaker shown in Figure 1; Fig. 5 is a kind of structural representation that drives connecting lever in the permanent magnet type vacuum circuit-breaker shown in Figure 3.
See Fig. 1 to Fig. 5, present embodiment is a kind of permanent-magnetic high-voltage vacuum circuit breaker, comprises Shell of circuit breaker 1, three vacuum circuit breaker body 2 and magneto operating mechanisms 3; Described each vacuum circuit breaker body 2 comprises vacuum interrupter 21, moving contact (not drawing on the figure), fixed contact (not drawing on the figure), the insulated tension pole 24 that links to each other with moving contact; Described magneto operating mechanism 3 comprises that at least two transmission components 4, one are used for driving driving connecting lever 6 that main shaft that corresponding insulation pull bars 24 move up and down 5, one be arranged on main shaft 5 middle parts, one by each transmission component 4 and are used for permanent magnet type drive mechanism 7 and two disjunction spring assemblies 8 that driving main shaft 5 is rotated; Described permanent magnet type drive mechanism 7 comprises drive rod, and the lower end of described drive rod drives described main shaft 5 rotations by driving connecting lever 6; Described two disjunction spring assemblies 8 are symmetricly set on described driving connecting lever 6 both sides; Described each disjunction spring assembly comprises link plate 86 under disjunction spring 81, disjunction spring transmission crank arm 82, disjunction spring-support plate 83, disjunction spring adjustable bolt assembly 84, disjunction spring upper hanging plate 85, the disjunction spring; Described disjunction spring transmission crank arm 82 is fixed on the described main shaft 5; Described disjunction spring-support plate 83 is fixedly installed on the Shell of circuit breaker 1; The upper end of described disjunction spring 81 is fixed on the disjunction spring upper hanging plate 85, and the lower end of described disjunction spring 81 is fixed under the disjunction spring on the link plate 86, and link plate 86 is rotationally connected with described disjunction spring transmission crank arm 82 under the described disjunction spring; Described disjunction spring upper hanging plate 85 is rotationally connected with described disjunction spring adjustable bolt assembly 84, and described disjunction spring adjustable bolt assembly 84 is rotationally connected with described disjunction spring-support plate 83.
See Fig. 1, in described three transmission components 4, be positioned at two of main shaft 5 left and right sides ends and comprise transmission crank arm 41, connecting lever connecting plate 42, transmission arm 43, alignment pin 44, transmission arm supporting bracket 45 from transmission component 4B, described transmission crank arm 41 is fixed on the main shaft 5, and an end and the transmission crank arm 41 of described connecting lever connecting plate 42 is rotationally connected, an end of the other end and transmission arm 43 is rotationally connected; A main transmission assembly 4A who is positioned at main shaft 5 middle parts comprises connecting lever connecting plate 42, transmission arm 43, alignment pin 44, transmission arm supporting bracket 45; One end of described connecting lever connecting plate 42 with drive that connecting lever 6 is rotationally connected, an end of the other end and transmission arm 43 is rotationally connected; This design makes overall structure comparatively simple.
See Fig. 3 and Fig. 5, described driving connecting lever 6 is provided with the spline spindle hole 61 that is used for fixedlying connected with main shaft 5, is used for drive shaft hole 62 that is rotationally connected with described drive rod lower end 771 and the transmission axis hole 63 that is rotationally connected with described connecting lever connecting plate 42.
See Fig. 5, the other end of described transmission arm 43 and a corresponding insulated tension pole 24 are rotationally connected; The middle part of described transmission arm 43 is provided with axis hole 431; Described transmission arm supporting bracket 45 is fixed on the Shell of circuit breaker 1; Described alignment pin 44 is arranged in the axis hole 431 of each transmission arm 43, and described transmission arm 43 is rotationally connected by alignment pin 44 and described transmission arm supporting bracket 45.
See Fig. 3 and Fig. 4, described permanent magnet type drive mechanism 7 comprises drive mechanism housing 71, lower yoke 72, coil 73, upper magnet yoke 74, permanent magnet 75, moving iron core 76, drive rod 77 and manual switching-off device 79; Described drive mechanism housing 71 is all stretched out in the upper end 772 of described drive rod 77 and lower end 771, and the upper end 772 of described drive rod is provided with block piece 78, and the lower end 771 of described drive rod 77 is rotationally connected with driving connecting lever 6; Described coil 73 is arranged between upper magnet yoke 74 and the lower yoke 72; Described permanent magnet 75 is arranged in ring-type, is arranged between described upper magnet yoke 74 and the drive mechanism housing 71; Described moving unshakable in one's determination 76 with described drive rod 77 relative fixed settings.Described coil 73 comprises switching winding 731 and closing coil 732.Described switching winding 731 is arranged on closing coil below 732.
See Fig. 1, Fig. 3 and Fig. 4, described manual switching-off device 79 is arranged on a side of described drive rod 77; Described manual switching-off device 79 comprises the pedestal with axis hole 791 that is fixedly installed on drive mechanism housing 71 upper surfaces, be arranged on manual brake separating rotating shaft 792 in the described axis hole, be fixed on manual brake separating rotating shaft 792 ends cam 793, provide the elastic component of elastic force 794 for manual brake separating rotating shaft 792 resets; Described cam 793 be arranged on drive rod upper end block piece 78 under; When described permanent magnet type drive mechanism 7 is in "on" position, rotation manual separating brake rotating shaft 792, driving described cam 793 rotates, described cam 793 is in rotating process, with the block piece 78 of described drive rod upper end jack-up upwards, thereby unshakable in one's determination 76 attractions that overcome permanent magnet 75 are separated and the realization manual brake separating.Observe from the top down, the basic configuration of described pedestal 791 is Back Word types, is provided with the unilateral observation of axis hole from described pedestal 791, and the basic configuration of described pedestal 791 is convex shapes.
End away from described cam 793 of described manual brake separating rotating shaft 792 stretches out Shell of circuit breaker 1, and this end is provided with the forced section of being convenient to twist 7921, and the lateral cross section shape of its forced section 7921 is regular polygons, and present embodiment is a regular hexagon.
In the present embodiment, described elastic component 794 is selected torsion spring for use, and described torsion spring set is located in the manual brake separating rotating shaft 792, and the one end is arranged in the manual brake separating rotating shaft 794, and the other end is arranged on the pedestal 791; Described block piece 78 is diameter rounded tabs greater than drive rod 77 diameters.
Present embodiment has good useful technique effect: in (1) present embodiment, described two disjunction spring assemblies are symmetricly set on described driving connecting lever both sides; Described each disjunction spring assembly comprises disjunction spring and disjunction spring transmission crank arm; Described disjunction spring transmission crank arm is fixed on the described main shaft; The upper end of described disjunction spring and Shell of circuit breaker relative fixed are provided with, and its lower end is connected with described disjunction spring transmission crank arm; This structure is compared with traditional permanent magnetism indoor high-voltage vacuum circuit breaker, owing to increased the length of the arm of force, provides the disjunction of less elastic force spring so can adopt, and this has reduced cost to a certain extent; In addition, because the disjunction spring directly drives main shaft by disjunction spring transmission crank arm and rotates, main shaft drives insulated tension pole by transmission component again and moves up and down, make its divide-shut brake effect no longer be subjected to the direct effect of each disjunction spring, it is no longer easy of being subjected to the influence of installing and locating to that is to say, can effectively guarantee the stability and the reliability of whole magneto operating mechanism.(2) in the present embodiment, the upper end of described drive rod is provided with block piece; Described permanent magnet type drive mechanism also comprises manual switching-off device; Described manual switching-off device comprises the pedestal with axis hole that is fixedly installed on the drive mechanism housing upper surface, be arranged on manual brake separating rotating shaft in the described axis hole, be fixed on manual brake separating rotating shaft end cam, provide the elastic component of elastic force for the manual brake separating rotating shaft resets; Described cam be arranged on drive rod upper end block piece under; When described permanent magnet type drive mechanism is in "on" position, the rotating shaft of rotation manual separating brake drives described cam rotation, and described cam is in rotating process, with the block piece of the described drive rod upper end jack-up that makes progress, thereby the attraction that makes iron core overcome permanent magnet is separated and the realization manual brake separating; This structure is set directly at manual switching-off device on the permanent magnet type drive mechanism as an optional feature, and its structure is comparatively simple, and whole manufacturing cost is also lower.(3) in the present embodiment, described this end is provided with the forced section of being convenient to twist, the lateral cross section shape of its forced section is a regular polygon, because the end away from described cam of manual brake separating rotating shaft stretches out Shell of circuit breaker, so can directly utilize fastened tools to rotate this manual brake separating rotating shaft, certainly also can rotate this manual brake separating rotating shaft by the handle that the spy joins, operation is simple thereby make it.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (10)
1, a kind of permanent magnet type vacuum circuit-breaker comprises Shell of circuit breaker (1), three vacuum circuit breaker body (2) and a magneto operating mechanism (3); Described each vacuum circuit breaker body (2) comprises vacuum interrupter (21), moving contact, fixed contact, the insulated tension pole (24) that links to each other with moving contact; Described magneto operating mechanism (3) comprises that three transmission components (4), one are used for driving main shaft (5) that corresponding insulation pull bar (24) moves up and down, driving connecting lever (6) that is arranged on main shaft (5) middle part, one by each transmission component (4) and are used for permanent magnet type drive mechanism (7) and two the disjunction spring assemblies (8) that driving main shaft (5) is rotated; Described permanent magnet type drive mechanism (7) comprises drive rod (77), and the lower end (771) of described drive rod (77) drives described main shaft (5) rotation by driving connecting lever (6);
It is characterized in that:
Described two disjunction spring assemblies are symmetricly set on described driving connecting lever (6) both sides;
Described each disjunction spring assembly comprises disjunction spring (81) and disjunction spring transmission crank arm (82); Described disjunction spring transmission crank arm (82) is fixed on the described main shaft (5); Upper end of described disjunction spring (811) and Shell of circuit breaker (1) relative fixed setting, its lower end (812) are connected with described disjunction spring transmission crank arm (82).
2, permanent magnet type vacuum circuit-breaker according to claim 1 is characterized in that: described each disjunction spring assembly also comprises link plate (86) under disjunction spring-support plate (83), disjunction spring adjustable bolt assembly (84), disjunction spring upper hanging plate (85), the disjunction spring; Described disjunction spring-support plate (83) is fixedly installed on the Shell of circuit breaker (1); The upper end of described disjunction spring (81) is fixed on the disjunction spring upper hanging plate (85), the lower end of described disjunction spring (81) is fixed on the link plate under the disjunction spring (86), and link plate (86) is rotationally connected with described disjunction spring transmission crank arm (82) under the described disjunction spring; Described disjunction spring upper hanging plate (85) is rotationally connected with described disjunction spring adjustable bolt assembly (84), and described disjunction spring adjustable bolt assembly (84) is rotationally connected with described disjunction spring-support plate (83).
3, permanent magnet type vacuum circuit-breaker according to claim 1, it is characterized in that: in described three transmission components (4), be positioned at two of main shaft (5) left and right sides end and comprise transmission crank arm (41), connecting lever connecting plate (42), transmission arm (43), alignment pin (44), transmission arm supporting bracket (45) from transmission component (4B), described transmission crank arm (41) is fixed on the main shaft (5), and an end of described connecting lever connecting plate (42) and transmission crank arm (41) are rotationally connected, an end of the other end and transmission arm (43) is rotationally connected;
A main transmission assembly (4A) that is positioned at main shaft (5) middle part comprises connecting lever connecting plate (42), transmission arm (43), alignment pin (44), transmission arm supporting bracket (45); One end of described connecting lever connecting plate (42) with drive that connecting lever (6) is rotationally connected, an end of the other end and transmission arm (43) is rotationally connected;
The other end of described transmission arm (43) and a corresponding insulated tension pole (24) are rotationally connected; The middle part of described transmission arm (43) is provided with axis hole (431); Described transmission arm supporting bracket (45) is fixed on the Shell of circuit breaker (1); Described alignment pin (44) is arranged in the axis hole (431) of each transmission arm (43), and described transmission arm (43) is rotationally connected by alignment pin (44) and described transmission arm supporting bracket (45).
4, permanent magnet type vacuum circuit-breaker according to claim 3 is characterized in that: described driving connecting lever (6) is provided with the spline spindle hole (61) that is used for fixedlying connected with main shaft (5), is used for drive shaft hole (62) that is rotationally connected with described drive rod lower end (771) and the transmission axis hole (63) that is rotationally connected with described connecting lever connecting plate (42).
5, permanent magnet type vacuum circuit-breaker according to claim 1 is characterized in that: described permanent magnet type drive mechanism (7) comprises drive mechanism housing (71), lower yoke (72), coil (73), upper magnet yoke (74), permanent magnet (75), moving (76), drive rod (77) unshakable in one's determination; Described drive mechanism housing (71) is all stretched out in upper end (772) and lower end (771) of described drive rod (77), and the lower end (771) of described drive rod (77) is rotationally connected with driving connecting lever (6); Described coil (73) is arranged between upper magnet yoke (74) and the lower yoke (72); Described permanent magnet (75) is arranged in ring-type, is arranged between described upper magnet yoke (74) and the drive mechanism housing (71); Described moving iron core (76) and described drive rod (77) relative fixed setting.
6, permanent magnet type vacuum circuit-breaker according to claim 5 is characterized in that: described coil (73) comprises switching winding (731) and closing coil (732).
7, permanent magnet type vacuum circuit-breaker according to claim 6 is characterized in that: described switching winding (731) is arranged on closing coil below (732).
8, permanent magnet type vacuum circuit-breaker according to claim 5 is characterized in that: the upper end of described drive rod (772) are provided with block piece (78); Described permanent magnet type drive mechanism (7) also comprises manual switching-off device (79); Described manual switching-off device (79) comprises the pedestal with axis hole (791) that is fixedly installed on drive mechanism housing (71) upper surface, be arranged on manual brake separating rotating shaft (792) in the described axis hole, be fixed on the terminal cam (793) of manual brake separating rotating shaft (792), provide the elastic component of elastic force (794) for manual brake separating rotating shaft (792) resets; Described cam (793) be arranged on drive rod upper end block piece (78) under; When described permanent magnet type drive mechanism (7) when being in "on" position, rotation manual separating brake rotating shaft (792), driving described cam (793) rotates, described cam (793) is in rotating process, with the block piece (78) of described drive rod upper end jack-up upwards, thereby the attraction that makes (76) unshakable in one's determination overcome permanent magnet (75) is separated and the realization manual brake separating.
9, permanent magnet type vacuum circuit-breaker according to claim 8, it is characterized in that: the end away from described cam (793) of described manual brake separating rotating shaft (792) stretches out Shell of circuit breaker (1), this end is provided with the forced section of being convenient to twist (7921), and the lateral cross section shape of its forced section (7921) is a regular polygon.
10, permanent magnet type vacuum circuit-breaker according to claim 8, it is characterized in that: described elastic component (794) is a torsion spring, described torsion spring set is located in the manual brake separating rotating shaft (792), and the one end is arranged in the manual brake separating rotating shaft (794), and the other end is arranged on the pedestal (791); Described block piece (78) is the rounded tabs of diameter greater than drive rod (77) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810146807.0A CN101350268B (en) | 2008-08-25 | 2008-08-25 | Permanent magnet type vacuum circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810146807.0A CN101350268B (en) | 2008-08-25 | 2008-08-25 | Permanent magnet type vacuum circuit-breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101350268A true CN101350268A (en) | 2009-01-21 |
| CN101350268B CN101350268B (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810146807.0A Expired - Fee Related CN101350268B (en) | 2008-08-25 | 2008-08-25 | Permanent magnet type vacuum circuit-breaker |
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| Country | Link |
|---|---|
| CN (1) | CN101350268B (en) |
Cited By (11)
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| CN102005704A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type switching device |
| CN102005703A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type high and middle-pressure switch |
| CN102623236A (en) * | 2012-04-14 | 2012-08-01 | 鞍山北科电气有限公司 | Permanent magnetic operation mechanism of high voltage vacuum breaker |
| CN102723246A (en) * | 2012-06-07 | 2012-10-10 | 平高集团有限公司 | Circuit breaker and assembling structure of three-phase linkage transmission mechanism thereof |
| CN102737905A (en) * | 2012-06-15 | 2012-10-17 | 田利民 | Vacuum circuit breaker self-adaption operating mechanism with properties of permanent magnet and spring mechanism |
| CN102931025A (en) * | 2012-11-13 | 2013-02-13 | 宁夏力成电气集团有限公司 | Permanent magnet breaker operation mechanism provided with emergency separating brake device |
| CN103177910A (en) * | 2013-01-28 | 2013-06-26 | 安徽宇腾真空电气有限责任公司 | Novel horizontal circuit breaker with permanent magnet mechanisms |
| CN103970028A (en) * | 2014-04-29 | 2014-08-06 | 国家电网公司 | Motion characteristic joint simulation model of permanent magnet operating mechanism breaker and method of motion characteristic joint simulation model of permanent magnet operating mechanism breaker |
| CN109559912A (en) * | 2018-12-04 | 2019-04-02 | 深圳供电局有限公司 | The transmission mechanism of permanent-magnet breaker |
| CN112151302A (en) * | 2020-09-29 | 2020-12-29 | 四川电器集团中电开关有限公司 | Sulfur hexafluoride circuit breaker control mechanism |
| CN113990706A (en) * | 2021-12-03 | 2022-01-28 | 泰兴市华诚机电制造有限公司 | Large-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker |
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| US5747766A (en) * | 1993-03-16 | 1998-05-05 | Cooper Industries, Inc. | Operating mechanism usable with a vacuum interrupter |
| CN2243121Y (en) * | 1995-05-16 | 1996-12-18 | 地方国营象山高压电器厂 | Hand-operated pull-spring energy-storage vacuum load switch with isolation |
| CN2532575Y (en) * | 2001-11-20 | 2003-01-22 | 廖奎 | Permanent magnetic operation mechanism for high-voltage switch |
| CN2874743Y (en) * | 2005-11-08 | 2007-02-28 | 张佩军 | Electromagnetic operation permanent magnet keeping operation mechanism |
| CN2891257Y (en) * | 2006-02-27 | 2007-04-18 | 北京新融友联技术有限责任公司 | Bounce-free permanent magnetic indoor high-voltage vacuum breaker |
| CN201289814Y (en) * | 2008-08-25 | 2009-08-12 | 童建朋 | Permanent magnet type vacuum circuit-breaker |
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- 2008-08-25 CN CN200810146807.0A patent/CN101350268B/en not_active Expired - Fee Related
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| CN102005704B (en) * | 2010-11-05 | 2014-01-22 | 童建朋 | Handcart type switching device |
| CN102005703A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type high and middle-pressure switch |
| CN102005704A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type switching device |
| CN102005703B (en) * | 2010-11-05 | 2013-01-16 | 童建朋 | Handcart type high and middle-pressure switch |
| CN102623236A (en) * | 2012-04-14 | 2012-08-01 | 鞍山北科电气有限公司 | Permanent magnetic operation mechanism of high voltage vacuum breaker |
| CN102723246A (en) * | 2012-06-07 | 2012-10-10 | 平高集团有限公司 | Circuit breaker and assembling structure of three-phase linkage transmission mechanism thereof |
| CN102723246B (en) * | 2012-06-07 | 2014-12-31 | 国家电网公司 | Circuit breaker and assembling structure of three-phase linkage transmission mechanism thereof |
| CN102737905A (en) * | 2012-06-15 | 2012-10-17 | 田利民 | Vacuum circuit breaker self-adaption operating mechanism with properties of permanent magnet and spring mechanism |
| CN102737905B (en) * | 2012-06-15 | 2014-11-05 | 新疆新华能电气股份有限公司 | Vacuum circuit breaker self-adaption operating mechanism with properties of permanent magnet and spring mechanism |
| CN102931025A (en) * | 2012-11-13 | 2013-02-13 | 宁夏力成电气集团有限公司 | Permanent magnet breaker operation mechanism provided with emergency separating brake device |
| CN102931025B (en) * | 2012-11-13 | 2015-07-01 | 宁夏力成电气集团有限公司 | Permanent magnet breaker operation mechanism provided with emergency separating brake device |
| CN103177910A (en) * | 2013-01-28 | 2013-06-26 | 安徽宇腾真空电气有限责任公司 | Novel horizontal circuit breaker with permanent magnet mechanisms |
| CN103970028A (en) * | 2014-04-29 | 2014-08-06 | 国家电网公司 | Motion characteristic joint simulation model of permanent magnet operating mechanism breaker and method of motion characteristic joint simulation model of permanent magnet operating mechanism breaker |
| CN109559912A (en) * | 2018-12-04 | 2019-04-02 | 深圳供电局有限公司 | The transmission mechanism of permanent-magnet breaker |
| CN112151302A (en) * | 2020-09-29 | 2020-12-29 | 四川电器集团中电开关有限公司 | Sulfur hexafluoride circuit breaker control mechanism |
| CN113990706A (en) * | 2021-12-03 | 2022-01-28 | 泰兴市华诚机电制造有限公司 | Large-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker |
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