CN109449064A - Electromagnetic tripping apparatus and breaker - Google Patents
Electromagnetic tripping apparatus and breaker Download PDFInfo
- Publication number
- CN109449064A CN109449064A CN201811536034.7A CN201811536034A CN109449064A CN 109449064 A CN109449064 A CN 109449064A CN 201811536034 A CN201811536034 A CN 201811536034A CN 109449064 A CN109449064 A CN 109449064A
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- armature
- arm
- bracket
- interlocking bar
- release lever
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000005452 bending Methods 0.000 claims description 16
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 3
- 230000005405 multipole Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The present invention relates to Low Voltage Electrical Apparatus, and in particular to a kind of electromagnetic tripping apparatus, magnetic yoke one end are connected with temperature-sensitive connecting plate, and the other end and armature cooperate, and setting, the tripping snap fit of release lever and breaker are pivoted in the middle part of armature；In the temperature-sensitive connecting plate when short circuit current flow, the first arm of armature is made the second arm of armature driving release lever and tripping release snap fit by attracting to magnetic yoke swing, makes breaker open operation, reaction spring is for resetting armature；It further include armature bracket, armature bracket one end is arranged on temperature-sensitive connecting plate, it is pivotally attached in the middle part of armature with armature bracket, armature bracket includes that magnetic gap adjusts screw, magnetic gap, which adjusts screw and is correspondingly arranged and drives with the first arm of armature, to be connected, and screws magnetic gap adjusting screw and is adjustable the distance between the first arm of armature and magnetic yoke；A kind of breaker using above-mentioned electromagnetic tripping apparatus is also disclosed；The electromagnetic tripping apparatus, product qualification rate are higher；The breaker, action performance are more preferable.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, and in particular to a kind of electromagnetic tripping apparatus and it is a kind of include the electromagnetic trip
The breaker of device.
Background technique
Electromagnetic tripping apparatus is the important component units of breaker of plastic casing, the magnetic that electromagnetic tripping apparatus generates short circuit current
Field is converted into mechanical action, pushes the tripping of release lever and breaker to unlock, makes breaker open operation.Existing electromagnetic trip dress
It sets, the space placement location of magnetic yoke and armature is bad, and the mechanism for adjusting instantaneous setting current is unstable, spring adjusting knob
Rotation angle is larger to the force value influence of fluctuations of reaction spring, and qualification rate is lower；In addition space utilization rate is also insufficient, existing electromagnetism
The armature of trip gear occupies double golden delayed setting spaces, is restricted delay adjustment draw bar.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of electromagnetic tripping apparatus is provided, magnetic gap adjusts spiral shell
Nail can be used for adjusting the distance between armature and magnetic yoke, and product qualification rate is higher；Also provide a kind of breaker comprising the electricity
Magnetic trip gear, action performance are more preferable.
To achieve the above object, present invention employs following technical solutions:
A kind of electromagnetic tripping apparatus comprising temperature-sensitive connecting plate 1, magnetic yoke 9, armature 11, release lever 12 and reaction spring 6,
9 one end of magnetic yoke is connected with temperature-sensitive connecting plate 1, and the other end and armature 11 cooperate, and setting is pivoted in the middle part of armature 11 comprising with magnetic yoke
The first arm of armature 112 of 9 driving cooperations and the second arm of armature 111 cooperated with the driving of release lever 12, release lever 12 and open circuit
2 snap fit of tripping of device；In the temperature-sensitive connecting plate 1 when short circuit current flow, the first arm of armature 112 is by attracting to magnetic yoke 9
It swings, makes the second arm of armature 111 that release lever 12 and tripping 2 be driven to release snap fit, make breaker open operation, reaction spring 6 is used
In make armature 11 reset；
It further include armature bracket 8,8 one end of armature bracket is arranged on temperature-sensitive connecting plate 1,11 middle part of armature and armature bracket
8 are pivotally attached to, and armature bracket 8 includes that magnetic gap adjusts screw 7, and magnetic gap adjusts screw 7 and is correspondingly arranged and drives with the first arm of armature 111
It is dynamic to be connected, it screws magnetic gap adjusting screw 7 and is adjustable the distance between the first arm of armature 112 and magnetic yoke 9.
Preferably, the armature bracket 8 is L-shaped structure comprising bending connected armature bracket transverse arm 81 and armature
Bracket vertical arm 80, armature bracket transverse arm 81 are connected with temperature-sensitive connecting plate 1, and magnetic gap adjusts screw 7 and is arranged in armature bracket vertical arm 80
It is upper to be threadedly coupled with it；The armature 11 is V-shaped structure, and 11 middle part of armature is pivotally attached to armature bracket vertical arm 80, armature
Second arm 111 is oppositely arranged with armature bracket vertical arm 80, and the first arm of armature 112 is oppositely arranged with armature bracket transverse arm 81.
Preferably, the armature bracket 8 further includes the armature bracket cantilever being connected with 80 bending of armature bracket vertical arm
82, two armature bracket cantilevers 82 are separately positioned on 82 two sides of armature bracket vertical arm；The armature 11 further includes being disposed therein
The armature linking arm 113 in portion, armature linking arm 113 are connected with 112 bending of the first arm of armature, and two armature linking arms 113 are distinguished
The connected one end two sides of the second arm of armature 111 of the first arm of armature 112 are set, and armature linking arm 113 passes through the first pivot 10
It is pivotally attached to armature bracket cantilever 82.
It preferably, further include interlocking bar 5 and spring adjusting knob 3；Setting is pivoted in the middle part of the interlocking bar 5 comprising from
The interlocking bar actuating arm 52 and interlocking bar extended in the middle part of interlocking bar 5 is by swing arm 51,6 one end of reaction spring and the first arm of armature
112 are connected, and the other end is connected with interlocking bar actuating arm 52；The spring adjusting knob 3 is connected with interlocking bar by the driving of swing arm 51,
Spring adjusting knob 3 is screwed, is driven interlocking bar 5 to rotate by swing arm 51 by interlocking bar, swings interlocking bar actuating arm 52 to adjust
Reaction spring 6 is saved to the pulling force of the first arm of armature 112.
Preferably, the spring adjusting knob 3 includes knob-operated end 30 and knob drives end 31, and knob drives end 31 to wrap
Include the spiral bottom surface that its lower end is set；The interlocking bar is included the hemisphere jut 510 that one end is arranged in by swing arm 51, spherical
Protrusion 510 is connected with the driving of spiral bottom surface.
It preferably, further include knob bracket 4, spring adjusting knob 3 is rotatably arranged on knob bracket 4.
Preferably, first arm of armature 112 is connected by two symmetrical reaction springs 6 with interlocking bar 5.
Preferably, first arm of armature 112 includes that the first arm fluting 1130 and spring hanging hole 1120, two the first arms are opened
Slot 1130 is separately positioned on 112 middle part both ends of the first arm of armature, and a spring hanging hole is arranged in 1130 sides of each first arm fluting
1120, two the first arm flutings 1130 are symmetrical arranged, and two spring hanging holes 1120 are symmetrical arranged, the armature linking arm of armature 11
113 and spring hanging hole 1120 be located at the first arm slot 1130 two sides.
Preferably, the armature 11 is V-shaped structure comprising the first arm of armature 112, the second arm of armature 111, armature connect
It connects arm 113, the first arm fluting 1130 and spring hanging hole 1120, the first arm of armature 112 to be connected with 111 bending of the second arm of armature, two
A armature linking arm 113 is symmetricly set on one end two sides of the first arm of armature 112 being connected with the second arm of armature 111, armature
One arm, 112 middle part both ends are respectively provided with the first arm fluting 1130, each 1130 side of the first arm card slot is equipped with a bullet
Spring hanging hole 1120, two the first arm flutings 1130 are symmetrical arranged, and two spring hanging holes 1120 are symmetrical arranged, spring hanging hole 1120
1130 two sides of the first arm fluting are located at armature linking arm 113.
Preferably, second arm of armature 111 further include second the first plate of arm 1111 for being connected with the first arm of armature 112 with
And second the second plate of arm 1110 being connected with second the first plate of arm, 1111 bending, second the second plate of arm 1110 is to the first arm of armature
112 direction bending, and second the second plate of arm 1110 cooperates with the driving of release lever 12.
Preferably, setting is pivoted in the middle part of the release lever 12 comprising the release lever with the driving cooperation of the second arm of armature 111
Release lever lock arm 122 by swing arm 121 and with 2 snap fit of tripping.
Preferably, the magnetic yoke 9 is U-shaped structure, and temperature-sensitive connecting plate 1 is connected with the bottom of U-shaped structure, U-shaped knot
The open end of structure and the driving of the first arm of armature 112 cooperate.
Preferably, the magnetic yoke 9 be U-shaped structure, temperature-sensitive connecting plate 1 passed through in the middle part of magnetic yoke 9 and with U-shaped structure
Bottom is connected, and in 1 upside of temperature-sensitive connecting plate, the armature bracket of armature bracket 8 is perpendicular for the setting of armature bracket transverse arm 81 of armature bracket 8
Arm 80 is located at the side of magnetic yoke 9, and the setting of armature 11 is pivotally attached to above magnetic yoke 9 with armature bracket vertical arm 80, and release lever 12 is set
It sets above armature 11, the release lever of release lever 12 is cooperated by swing arm 121 and the driving of the second arm of armature 111, and release lever 12 takes off
Button bar lock arm 122 and 2 snap fit of tripping；It further include the interlocking bar that 12 side of release lever is set and is located at 11 top of armature
5 and the spring adjusting knob 3 of the top of interlocking bar 5 is set, pivots setting in the middle part of interlocking bar 5, the first arm of armature 112 passes through two
The symmetrical reaction spring 6 of root is connected with the interlocking bar actuating arm 52 of interlocking bar 5, and the second arm of armature 111 is located at two counter-forces
It is driven and is cooperated by swing arm 121 with release lever between spring 6, the interlocking bar of interlocking bar 5 is driven by swing arm 51 and spring adjusting knob 3
It is connected.
A kind of breaker comprising any one described electromagnetic tripping apparatus.
Electromagnetic tripping apparatus of the invention comprising armature, armature bracket and magnetic gap adjust screw, and armature includes armature the
The second arm of one arm and armature, magnetic gap adjust screw and are correspondingly arranged with the second arm of armature, screw magnetic gap adjusting screw and are adjustable armature
The distance between first arm and magnetic yoke guarantee that the first arm of armature and magnetic yoke are in best fit state, advantageously ensure that electromagnetism is de-
The reliable and stable movement of buckle device, even if there are certain tolerance and/or the first arm of armature and magnetic yokes for the first arm of armature and magnetic yoke
Rigging position it is bad, i.e. the assembly of the first arm of armature and magnetic yoke can also pass through knob magnetic gap and adjust spiral shell there are certain error
Nail realizes the best fit of the two to adjust the distance between the first arm of armature and magnetic yoke, is conducive to the qualification for improving product
Rate.In addition, the knob driving end of the spring adjusting knob includes the spherical shape of spiral bottom surface, spiral bottom surface and interlocking bar by swing arm
Protrusion driving cooperation, knob knob-operated end make the sliding opposite with hemisphere jut of knob bottom surface, interlocking bar can be made by above and below swing arm
It swings, so that interlocking bar be made to rotate, interlocking bar drives interlocking bar to drive arm swing, to realize for reaction spring to armature the
The adjustment of one arm pulling force realizes the precise and tiny adjustment for the pulling force due to the continuous slowly varying characteristic on knob ground, from
And the pulling force is made to reach optimum state.Moreover, the hemisphere jut is also beneficial to reduce between hemisphere jut and spiral bottom surface
Frictional force, be conducive to the more smooth rotation of spring adjusting knob.Breaker of the invention comprising the electromagnetic trip dress
It sets, action performance is more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electromagnetic tripping apparatus of the present invention；
Fig. 2 is the structural schematic diagram of electromagnetic tripping apparatus of the present invention, and it illustrates armature, armature bracket, magnetic yoke and temperature-sensitives
The assembling structure of connecting plate；
Fig. 3 is the structural schematic diagram of armature of the present invention；
Fig. 4 is the structural schematic diagram of electromagnetic tripping apparatus of the present invention, and it illustrates STATEMENT OF FEDERALLY SPONSORED, spring adjusting knob and counter-forces
The assembling structure of spring；
Fig. 5 is the structural schematic diagram of electromagnetic tripping apparatus of the present invention, and it illustrates the assembly knots of tripping, release lever and armature
Structure.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1-5 is provided, the specific implementation of electromagnetic tripping apparatus of the invention is further illustrated
Mode.Electromagnetic tripping apparatus of the invention is not limited to the following description.
Electromagnetic tripping apparatus of the invention comprising temperature-sensitive connecting plate 1, magnetic yoke 9, armature 11, release lever 12 and counter-force bullet
Spring 6,9 one end of magnetic yoke are connected with temperature-sensitive connecting plate 1, and the other end and armature 11 cooperate, and setting is pivoted in the middle part of armature 11 comprising with
Magnetic yoke 9 driving cooperation the first arm of armature 112 and with release lever 12 driving cooperation the second arm of armature 111, release lever 12 with
2 snap fit of tripping of breaker；In the temperature-sensitive connecting plate 1 when short circuit current flow, the first arm of armature 112 is by attracting to magnetic
Yoke 9 is swung, and is made the second arm of armature 111 that release lever 12 and tripping 2 be driven to release snap fit, is made breaker open operation, short circuit current
After elimination, reaction spring 6 resets armature 11；
It further include armature bracket 8,8 one end of armature bracket is arranged on temperature-sensitive connecting plate 1,11 middle part of armature and armature bracket
8 are pivotally attached to, and armature bracket 8 includes that magnetic gap adjusts screw 7, and magnetic gap adjusts screw 7 and is correspondingly arranged and drives with the first arm of armature 111
It is dynamic to be connected, it screws magnetic gap adjusting screw 7 and is adjustable the distance between the first arm of armature 112 and magnetic yoke 9.
Electromagnetic tripping apparatus of the invention comprising armature 11, armature bracket 8 and magnetic gap adjust screw 7, and armature 11 includes
The first arm of armature 112 and the second arm of armature 111, magnetic gap adjust screw 7 and are correspondingly arranged with the second arm of armature 111, screw magnetic gap tune
Section screw 7 is adjustable the distance between the first arm of armature 112 and magnetic yoke 9, guarantees that the first arm of armature 112 and magnetic yoke 9 are in best
Mated condition advantageously ensures that the reliable and stable movement of electromagnetic tripping apparatus, even if there are one for the first arm of armature 112 and magnetic yoke 9
Fixed tolerance and/or the first arm of armature 112 and the rigging position of magnetic yoke 9 are bad, i.e. the assembly of the first arm of armature 112 and magnetic yoke 9
There are certain error, screw 7 can also be adjusted by knob magnetic gap, with adjust between the first arm of armature 112 and magnetic yoke 9 away from
From the best fit both realized is conducive to the qualification rate for improving product.
It as described in figures 1 and 5, is one embodiment of electromagnetic tripping apparatus of the present invention.
Electromagnetic tripping apparatus of the invention comprising temperature-sensitive connecting plate 1, magnetic yoke 9, armature 11, release lever 12, reaction spring
6 and armature bracket 8,9 one end of magnetic yoke be connected with temperature-sensitive connecting plate 1, the other end and armature 11 cooperate, and armature 11 includes and magnetic yoke 9
Drive the first arm of armature 112 of cooperation and the second arm of armature 111 with the driving cooperation of release lever 12, release lever 12 and breaker
2 snap fit of tripping, 8 one end of armature bracket is arranged on temperature-sensitive connecting plate 1, the middle part of armature 11 and the pivot phase of armature bracket 8
Even, armature bracket 8 includes that magnetic gap adjusts screw 7, and magnetic gap adjusts screw 7 and is correspondingly arranged with the first arm of armature 111, screws magnetic gap tune
Section screw 7 is adjustable the distance between the first arm of armature 112 and magnetic yoke 9；In the temperature-sensitive connecting plate 1 when short circuit current flow,
The first arm of armature 112 is made the second arm of armature 111 that release lever 12 be driven to release lock with tripping 2 and matched by attracting to the swing of magnetic yoke 9
It closes, after eliminating breaker open operation, short circuit current, reaction spring 6 resets armature 11.
Specifically, temperature-sensitive connecting plate 1 passes through in the middle part of magnetic yoke 9 as shown in Fig. 2, the magnetic yoke 9 is U-shaped structure, and with
The bottom of U-shaped structure is connected, and the open end of U-shaped structure and the first arm of armature 112 of armature 11 drive and cooperate；The armature
Bracket 8 is L-shaped structure, and packing curved connected armature bracket transverse arm 81 and armature bracket vertical arm 80, armature bracket 8 further includes
It is arranged in armature bracket vertical arm 80 and the magnetic gap being threadedly coupled with it adjusts screw 7, armature bracket transverse arm 81 is arranged in temperature-sensitive
1 upside of connecting plate is coupled, and 11 middle part of armature is pivotally attached to armature bracket vertical arm 80；The armature 11 is V-shaped structure,
It includes connected the first arm of armature 112 and the second arm of armature 111 of bending, and the first arm of armature 112 is located at 9 top of magnetic yoke, armature
Second arm 111, which is located at 80 side of armature bracket vertical arm and adjusts screw 7 with magnetic gap, to be correspondingly arranged.As shown in figure 5, the release lever
12 be arranged armature 11 above, in the middle part of release lever 12 pivot be arranged comprising the release lever extended in the middle part of release lever 12 by
Swing arm 121 and release lever lock arm 122, release lever are driven by 111 side of the second arm of armature that swing arm 121 is located at armature 11 with it
Cooperation, 2 snap fit of tripping of release lever lock arm 122 and breaker.As shown in Figure 1, described 6 one end of reaction spring and armature
11 the first arm of armature 112 is connected, and the other end is connected with the interlocking bar actuating arm 52 of interlocking bar 5.
It should be pointed out that the snap fit of the release lever 12 and the tripping 2 of breaker, refers to release lever 12 and jumps
Detain 2 it is connected when limit the movement of tripping 2, after release lever 12 is separated with tripping 2, tripping 2 acts limit no longer by release lever 12
System.
Preferably, as shown in Fig. 2, the armature bracket 8 is L-shaped structure comprising armature bracket transverse arm 81, armature branch
Frame vertical arm 80, magnetic gap adjust screw 7 and armature bracket cantilever 82；The armature bracket cantilever 82 and 80 folding of armature bracket vertical arm
Curved to be connected, two armature bracket cantilevers 82 are separately positioned on 80 two sides of armature bracket vertical arm, and magnetic gap adjusts screw 7 and is arranged in armature
In bracket vertical arm 80.Further, the magnetic gap adjusts the setting of screw 7 and is threadedly coupled at 80 middle part of armature bracket vertical arm with it；
The armature bracket transverse arm 81 is connected with 80 right angle of armature bracket vertical arm.
Preferably, as shown in figure 3, the armature 11 is V-shaped structure comprising the first arm of armature 112, the second arm of armature
111, armature linking arm 113, the first arm fluting 1130 and spring hanging hole 1120,111 folding of the first arm of armature 112 and the second arm of armature
Curved to be connected, two armature linking arms 113 are symmetricly set on the one end two of the first arm of armature 112 being connected with the second arm of armature 111
Side, 112 middle part both ends of the first arm of armature are respectively provided with the first arm fluting 1130, and 1130 sides of each first arm fluting are all provided with
There is a spring hanging hole 1120, two the first arm flutings 1130 are symmetrical arranged, and two spring hanging holes 1120 are symmetrical arranged, spring
Hanging hole 1120 and armature linking arm 113 are located at 1130 two sides of the first arm fluting.Specific direction as indicated at 3, two armature
Linking arm 113 is symmetricly set on 112 right end two sides of the first arm of armature, and two armature linking arms 113 are to the first arm of armature 112
Upside bending, each first arm fluting, 1130 left side are respectively provided with a spring hanging hole 1120.Further, second arm of armature
111 further include second the first plate of arm 1111 being connected with the first arm of armature 112 and are connected with second the first plate of arm, 1111 bending
Second the second plate of arm 1110, direction bending of second the second plate of arm 1110 to the first arm of armature 112, and second the second plate of arm
1110 are driven by swing arm 121 with the release lever of release lever 12 and cooperate.
Preferably, the first arm of armature 112 of the armature 11 passes through two symmetrical reaction springs 6 and interlocking bar 5
It is connected, 6 lower end of reaction spring penetrates in spring hanging hole 1120 from the first arm fluting 1130.Further, two reaction springs 6
It is arranged in parallel, the upper end of each reaction spring 6 is connected with the interlocking bar actuating arm 52 of an interlocking bar 5.
Preferably, the armature bracket cantilever 82 of the armature linking arm 113 of the armature 11 and armature bracket 8 passes through the first pivot
Axis 10 is pivotally attached to.
Preferably, electromagnetic tripping apparatus of the invention further includes the structure for being pivotally mounted release lever 12, which can
To be independent element, it is also possible to the structures such as pivot, the pivot hole inside circuit breaker housing.
As described in figures 1 and 5, electromagnetic tripping apparatus of the invention further includes interlocking bar 5 and spring adjusting knob 3, interlocking bar
5 middle parts pivot setting comprising the interlocking bar actuating arm 52 and interlocking bar extended in the middle part of interlocking bar 5 is by swing arm 51, counter-force
6 one end of spring is connected with the first arm of armature 112, and the other end is connected with interlocking bar actuating arm 52, spring adjusting knob 3 and interlocking bar
It is connected by the driving of swing arm 51, screws spring adjusting knob 3, is driven interlocking bar 5 to rotate by swing arm 51 by interlocking bar, make interlocking bar
Actuating arm 52 is swung to adjust reaction spring 6 to the pulling force of the first arm of armature 112.
Preferably, as shown in Figure 1, electromagnetic tripping apparatus of the present invention further includes knob bracket 4, the setting of knob bracket 4 is joining
5 top of lever, spring adjusting knob 3 are rotatably arranged on knob bracket 4.
Specifically, spring is adjusted as shown in Figure 1, the interlocking bar 5 is located at 12 side of release lever and is located at 11 top of armature
Knob 3 is located at 5 top of interlocking bar comprising knob-operated end 30 and knob drive end 31, and it includes that setting exists that knob, which drives end 31,
The spiral bottom surface of its lower end, the interlocking bar of interlocking bar 5 are included the hemisphere jut that one end is arranged in by swing arm 51, hemisphere jut with
The driving of spiral bottom surface is connected.
Preferably, the value range of the helix angle α of the spiral bottom surface is 30o-60o.
It should be pointed out that the spring adjusting knob 3 and interlocking bar are not limited in aforesaid way by swing arm 51 and are matched
It closes, can also be that spring adjusting knob 3 is threadedly coupled with knob bracket 4,3 lower end of spring adjusting knob and interlocking bar are by swing arm 51
Contact is connected, and can also reach identical purpose.There are also other various ways, then this will not enumerate.
Preferably, as shown in Figure 1, the interlocking bar 5 includes two interlocking bar actuating arms 52 arranged side by side, each connection
Lever actuating arm 52 is connected with a reaction spring 6, and the second arm of armature 111 of armature 11 is located between two reaction springs 6, with
The release lever of release lever 12 is driven by swing arm 121 to be cooperated.
Preferably, electromagnetic tripping apparatus of the invention further includes the structure for being pivotally mounted interlocking bar 5, which can be with
It is independent element, is also possible to the structures such as pivot, the pivot hole inside circuit breaker housing.
The knob driving end 31 of the spring adjusting knob 3 includes spiral bottom surface, and spiral bottom surface and interlocking bar are by swing arm 51
Hemisphere jut drive cooperation, knob knob-operated end 30, make knob bottom surface it is opposite with hemisphere jut slide, can make interlocking bar by
Swing arm 51 is swung up and down, so that interlocking bar 5 be made to rotate, interlocking bar 5 drives interlocking bar actuating arm 52 to swing, to realize for anti-
Adjustment of the power spring 6 to 112 pulling force of the first arm of armature, due to the continuous slowly varying characteristic on knob ground, realize for
The precise and tiny adjustment of the pulling force, so that the pulling force reaches optimum state.Moreover, the hemisphere jut is also beneficial to reduce spherical shape
Frictional force between protrusion and spiral bottom surface, is conducive to the more smooth rotation of spring adjusting knob 3.
It should be pointed out that electromagnetic tripping apparatus of the invention, both can be used for the disjunction of single-pole circuit breaker, can also use
In the disjunction of multipole circuit breaker.It, can be with multiple electromagnetism when electromagnetic tripping apparatus of the invention is used for the disjunction of multipole circuit breaker
Trip gear uses side by side, and a pole of each electromagnetic tripping apparatus and breaker is correspondingly arranged.Further, electricity of the invention
For magnetic trip gear in the disjunction for multipole circuit breaker, multiple electromagnetic tripping apparatus can share interlocking bar 5,12 and of release lever
Spring adjusting knob 3, with the inner space of save the cost and breaker.Specifically, as described in figures 1 and 5, being with four-pole circuit breaker
Example, with each extremely corresponding electromagnetic tripping apparatus of breaker include temperature-sensitive connecting plate 1, magnetic yoke 9, armature bracket 8, armature 11 and
Reaction spring 6, and the assembly relation of above-mentioned each component and structure are constant, and difference is: the interlocking bar 5 includes linkage
Bar main body 50, interlocking bar main body 50 pivot setting, the connection of the setting of 50 side of interlocking bar main body and the driving cooperation of spring adjusting knob 3
For lever by swing arm 51, multiple interlocking bar actuating arms 52 are then arranged in the other side, are connected respectively with more reaction springs 6；The tripping
Bar 12 includes release lever main body 120, and release lever main body 120 pivots setting, the jump of 120 side of release lever main body setting and breaker
The release lever lock arm 122 of 2 snap fits is detained, multiple release levers are arranged by swing arm 121 in the other side, and each de- mouth is by swing arm 121
It drives and cooperates with the second arm of armature 11 of an armature 11.
Invention additionally discloses a kind of breakers comprising electromagnetic tripping apparatus of the invention.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of electromagnetic tripping apparatus comprising temperature-sensitive connecting plate (1), magnetic yoke (9), armature (11), release lever (12) and counter-force
Spring (6), magnetic yoke (9) one end are connected with temperature-sensitive connecting plate (1), and the other end and armature (11) cooperate, and pivot in the middle part of armature (11)
Setting comprising the armature the with the first arm of armature (112) of magnetic yoke (9) driving cooperation and with release lever (12) driving cooperation
Two arms (111), tripping (2) snap fit of release lever (12) and breaker；The interior short circuit current flow of the temperature-sensitive connecting plate (1)
When, the first arm of armature (112) is made the second arm of armature (111) driving release lever (12) and tripping by attracting to magnetic yoke (9) swing
(2) snap fit is released, makes breaker open operation, reaction spring (6) is for resetting armature (11)；
It is characterized by also including armature bracket (8), armature bracket (8) one end is arranged on temperature-sensitive connecting plate (1), armature
(11) middle part is pivotally attached to armature bracket (8), and armature bracket (8) includes that magnetic gap adjusts screw (7), and magnetic gap adjusts screw (7)
It is correspondingly arranged and drives with the first arm of armature (111) and be connected, screw magnetic gap adjusting screw (7) and be adjustable the first arm of armature (112)
The distance between magnetic yoke (9).
2. electromagnetic tripping apparatus according to claim 1, it is characterised in that: the armature bracket (8) is L-shaped structure,
It includes that the connected armature bracket transverse arm (81) of bending and armature bracket vertical arm (80), armature bracket transverse arm (81) are connect with temperature-sensitive
Plate (1) is connected, and magnetic gap adjusts screw (7) setting and is threadedly coupled on armature bracket vertical arm (80) with it；The armature (11) is V
Character form structure, armature (11) middle part are pivotally attached to armature bracket vertical arm (80), the second arm of armature (111) and armature bracket vertical arm
(80) it is oppositely arranged, the first arm of armature (112) is oppositely arranged with armature bracket transverse arm (81).
3. electromagnetic tripping apparatus according to claim 2, it is characterised in that: the armature bracket (8) further include with
The connected armature bracket cantilever (82) of armature bracket vertical arm (80) bending, two armature bracket cantilevers (82) are separately positioned on armature
Bracket vertical arm (82) two sides；The armature (11) further includes the armature linking arm (113) in the portion that is disposed therein, armature linking arm
(113) it is connected with the first arm of armature (112) bending, two armature linking arms (113) are separately positioned on the first arm of armature (112)
The connected one end two sides of the second arm of armature (111), armature linking arm (113) pass through the first pivot (10) and armature bracket cantilever
(82) it is pivotally attached to.
4. electromagnetic tripping apparatus according to claim 1, it is characterised in that: further include that interlocking bar (5) and spring adjust rotation
Button (3)；Setting is pivoted in the middle part of the interlocking bar (5) comprising the interlocking bar actuating arm (52) extended in the middle part of from interlocking bar (5)
With interlocking bar by swing arm (51), reaction spring (6) one end is connected with the first arm of armature (112), the other end and interlocking bar actuating arm
(52) it is connected；The spring adjusting knob (3) is connected with interlocking bar by swing arm (51) driving, is screwed spring adjusting knob (3), is led to
Interlocking bar is crossed by swing arm (51) driving interlocking bar (5) rotation, swings interlocking bar actuating arm (52) right to adjust reaction spring (6)
The pulling force of the first arm of armature (112).
5. electromagnetic tripping apparatus according to claim 4, it is characterised in that: the spring adjusting knob (3) includes knob
Operating side (30) and knob driving end (31), it includes the spiral bottom surface that its lower end is arranged in that knob, which drives end (31),；The linkage
Bar is included the hemisphere jut (510) that one end is arranged in by swing arm (51), and hemisphere jut (510) is connected with the driving of spiral bottom surface.
6. electromagnetic tripping apparatus according to claim 4, it is characterised in that: further include knob bracket (4), spring adjusts rotation
Button (3) is rotatably arranged on knob bracket (4).
7. electromagnetic tripping apparatus according to claim 4, it is characterised in that: first arm of armature (112) passes through two
Symmetrical reaction spring (6) is connected with interlocking bar (5).
8. electromagnetic tripping apparatus according to claim 7, it is characterised in that: first arm of armature (112) includes first
Arm fluting (1130) and spring hanging hole (1120), two the first arms flutings (1130) are separately positioned in the first arm of armature (112)
A spring hanging hole (1120) is arranged in portion both ends, each first arm fluting (1130) side, and two the first arm flutings (1130) are right
Claim setting, and two spring hanging holes (1120) are symmetrical arranged, the armature linking arm (113) and spring hanging hole (1120) of armature (11)
It is located at the first arm fluting (1130) two sides.
9. electromagnetic tripping apparatus according to claim 1, it is characterised in that: the armature (11) is V-shaped structure, packet
Include the first arm of armature (112), the second arm of armature (111), armature linking arm (113), the first arm fluting (1130) and spring hanging hole
(1120), the first arm of armature (112) is connected with the second arm of armature (111) bending, and two armature linking arms (113) are symmetricly set on
One end two sides of the first arm of armature (112) being connected with the second arm of armature (111), the first arm of armature (112) middle part both ends are respectively set
There is first arm fluting (1130), each first arm card slot (1130) side is equipped with a spring hanging hole (1120), and two
A first arm fluting (1130) is symmetrical arranged, and two spring hanging holes (1120) are symmetrical arranged, spring hanging hole (1120) and armature
Linking arm (113) is located at the first arm fluting (1130) two sides.
Second arm of armature (111) further include second the first plate of arm (1111) being connected with the first arm of armature (112) and with
Second connected the second plate of arm (1110) of second arm the first plate (1111) bending, second the second plate of arm (1110) is to the first arm of armature
(112) direction bending, and second the second plate of arm (1110) and release lever (12) driving cooperate.
Setting is pivoted in the middle part of the release lever (12) comprising the release lever with the second arm of armature (111) driving cooperation is by swing arm
(121) and the release lever lock arm (122) with tripping (2) snap fit.
The magnetic yoke (9) is U-shaped structure, and temperature-sensitive connecting plate (1) is connected with the bottom of U-shaped structure, the opening of U-shaped structure
End cooperates with the first arm of armature (112) driving.
The magnetic yoke (9) is U-shaped structure, and temperature-sensitive connecting plate (1) passes through in the middle part of magnetic yoke (9) and the bottom with U-shaped structure
It is connected, armature bracket transverse arm (81) setting of armature bracket (8) is on the upside of temperature-sensitive connecting plate (1), the armature branch of armature bracket (8)
Frame vertical arm (80) is located at the side of magnetic yoke (9), and armature (11) setting pivots phase with armature bracket vertical arm (80) above magnetic yoke (9)
Even, release lever (12) setting is above armature (11), and the release lever of release lever (12) is by swing arm (121) and the second arm of armature
(111) driving cooperation, the release lever lock arm (122) and tripping (2) snap fit of release lever (12)；It further include that setting is being threaded off
Bar (12) side and the interlocking bar (5) being located above armature (11) and the spring adjusting knob being arranged above interlocking bar (5)
(3), setting is pivoted in the middle part of interlocking bar (5), the first arm of armature (112) passes through two symmetrical reaction springs (6) and linkage
The interlocking bar actuating arm (52) of bar (5) is connected, and the second arm of armature 111 is located between two reaction springs (6) with release lever by dynamic
The interlocking bar of arm (121) driving cooperation, interlocking bar (5) is connected by swing arm (51) with spring adjusting knob (3) driving.
10. a kind of breaker, which is characterized in that it includes any one electromagnetic tripping apparatus described in claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536034.7A CN109449064B (en) | 2018-12-15 | 2018-12-15 | Electromagnetic trip device and circuit breaker |
| PCT/CN2019/115894 WO2020119336A1 (en) | 2018-12-15 | 2019-11-06 | Electromagnetic tripping device and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536034.7A CN109449064B (en) | 2018-12-15 | 2018-12-15 | Electromagnetic trip device and circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449064A true CN109449064A (en) | 2019-03-08 |
| CN109449064B CN109449064B (en) | 2024-05-14 |
Family
ID=65559627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811536034.7A Active CN109449064B (en) | 2018-12-15 | 2018-12-15 | Electromagnetic trip device and circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109449064B (en) |
| WO (1) | WO2020119336A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119336A1 (en) * | 2018-12-15 | 2020-06-18 | 浙江正泰电器股份有限公司 | Electromagnetic tripping device and circuit breaker |
| CN113948349A (en) * | 2021-10-28 | 2022-01-18 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Piezoelectric tripping mechanism for circuit breaker |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6218920B1 (en) * | 1999-02-01 | 2001-04-17 | General Electric Company | Circuit breaker with adjustable magnetic trip unit |
| GB0616997D0 (en) * | 2006-08-29 | 2006-10-04 | Ls Ind Systems Co Ltd | Instantaneous trip mechanism for mould cased circuit breaker |
| CN201084663Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | A thermo-electro-magnetic over-current adjustable-type release |
| CN101447374A (en) * | 2008-12-11 | 2009-06-03 | 常熟开关制造有限公司(原常熟开关厂） | Solenoid type electromagnetic trip |
| CN201311895Y (en) * | 2008-12-11 | 2009-09-16 | 常熟开关制造有限公司(原常熟开关厂） | Screwed pipe type electromagnetic trip device |
| CN201514909U (en) * | 2009-10-23 | 2010-06-23 | 江苏辉能电气有限公司 | Electromagnetic tripping mechanism of low-voltage circuit breaker |
| CN202678260U (en) * | 2012-07-16 | 2013-01-16 | 刘开成 | Armature for electromagnetic tripping mechanism |
| CN203746773U (en) * | 2014-01-17 | 2014-07-30 | 浙江正泰电器股份有限公司 | Clapping type electromagnetic tripping system |
| CN108257832A (en) * | 2018-04-02 | 2018-07-06 | 浙江智美电气有限公司 | A kind of adjustable small-sized heavy current breaker of drop-away current |
| CN108511294A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | Electromagnetic trip device assembly and breaker |
| CN208157348U (en) * | 2018-05-16 | 2018-11-27 | 巨邦集团有限公司 | A kind of instantaneous adjustable tripping device and its mold cased circuit breaker |
| CN209544270U (en) * | 2018-12-15 | 2019-10-25 | 浙江正泰电器股份有限公司 | Electromagnetic tripping apparatus and breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465249B (en) * | 2013-09-24 | 2016-08-10 | 上海电科电器科技有限公司 | Adjustable electric magnetic release |
| CN108597968A (en) * | 2018-05-29 | 2018-09-28 | 河南森源电气股份有限公司 | A kind of adjustable buckle releaser and breaker |
| CN109449064B (en) * | 2018-12-15 | 2024-05-14 | 浙江正泰电器股份有限公司 | Electromagnetic trip device and circuit breaker |
-
2018
- 2018-12-15 CN CN201811536034.7A patent/CN109449064B/en active Active
-
2019
- 2019-11-06 WO PCT/CN2019/115894 patent/WO2020119336A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6218920B1 (en) * | 1999-02-01 | 2001-04-17 | General Electric Company | Circuit breaker with adjustable magnetic trip unit |
| GB0616997D0 (en) * | 2006-08-29 | 2006-10-04 | Ls Ind Systems Co Ltd | Instantaneous trip mechanism for mould cased circuit breaker |
| CN201084663Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | A thermo-electro-magnetic over-current adjustable-type release |
| CN101447374A (en) * | 2008-12-11 | 2009-06-03 | 常熟开关制造有限公司(原常熟开关厂） | Solenoid type electromagnetic trip |
| CN201311895Y (en) * | 2008-12-11 | 2009-09-16 | 常熟开关制造有限公司(原常熟开关厂） | Screwed pipe type electromagnetic trip device |
| CN201514909U (en) * | 2009-10-23 | 2010-06-23 | 江苏辉能电气有限公司 | Electromagnetic tripping mechanism of low-voltage circuit breaker |
| CN202678260U (en) * | 2012-07-16 | 2013-01-16 | 刘开成 | Armature for electromagnetic tripping mechanism |
| CN203746773U (en) * | 2014-01-17 | 2014-07-30 | 浙江正泰电器股份有限公司 | Clapping type electromagnetic tripping system |
| CN108257832A (en) * | 2018-04-02 | 2018-07-06 | 浙江智美电气有限公司 | A kind of adjustable small-sized heavy current breaker of drop-away current |
| CN208157348U (en) * | 2018-05-16 | 2018-11-27 | 巨邦集团有限公司 | A kind of instantaneous adjustable tripping device and its mold cased circuit breaker |
| CN108511294A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | Electromagnetic trip device assembly and breaker |
| CN209544270U (en) * | 2018-12-15 | 2019-10-25 | 浙江正泰电器股份有限公司 | Electromagnetic tripping apparatus and breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119336A1 (en) * | 2018-12-15 | 2020-06-18 | 浙江正泰电器股份有限公司 | Electromagnetic tripping device and circuit breaker |
| CN113948349A (en) * | 2021-10-28 | 2022-01-18 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Piezoelectric tripping mechanism for circuit breaker |
| CN113948349B (en) * | 2021-10-28 | 2023-12-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Piezoelectric tripping mechanism for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109449064B (en) | 2024-05-14 |
| WO2020119336A1 (en) | 2020-06-18 |
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