CN209418346U - Double shaft contacts systems and automatic change-over - Google Patents
Double shaft contacts systems and automatic change-over Download PDFInfo
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- CN209418346U CN209418346U CN201920066075.8U CN201920066075U CN209418346U CN 209418346 U CN209418346 U CN 209418346U CN 201920066075 U CN201920066075 U CN 201920066075U CN 209418346 U CN209418346 U CN 209418346U
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Abstract
The utility model relates to Low Voltage Electrical Apparatus, more particularly to a kind of double shaft contacts systems, it includes the first rotating shaft being rotatably arranged in first chamber, the second shaft being rotatably arranged in second chamber, backup power source contact, common power contact head and load contact, first chamber is arranged above second chamber and is isolated from each other, and first rotating shaft and the second shaft are arranged side by side；Outer power drive first rotating shaft rotation, can make first rotating shaft be connected respectively with backup power source contact, load contact；Outer the second shaft of power drive rotation, can make the second shaft be connected respectively with common power contact head and load contact；Double shaft contacts systems of the utility model, effectively increasing large opening, are remarkably improved connection/breaking capacity；The utility model further relates to a kind of automatic change-over comprising double shaft contacts systems, double shaft contacts systems significantly improve connection/breaking capacity of automatic change-over.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, and in particular to a kind of double shaft contacts systems, further relating to one kind includes
The automatic change-over of double shaft contacts systems.
Background technique
Current many important events are all powered using automatic change-over.Automatic change-over will be loaded from all the way
Power supply transfer is to the device for switching of another way power supply, therefore continuity to power supply and reliability have particularly significant, are promptly supplying
The reliability of product is particularly important in electric system.
Existing automatic transfer switching electric appliance, contact system are mostly single-turn axle construction, i.e., real by the rotation of single shaft
It now commonly uses that power supply closes a floodgate and backup power source closes a floodgate, has the advantages that small volume, compact-sized.But single-turn axle construction cooperates electromagnetism
Iron realizes that three section difficulty are larger, is difficult to control, and single-turn axle construction, exists out away from little, the arcing time is long, the burning of contact
It burns and the degree of wear is serious, connection/breaking capacity improves limited.
Summary of the invention
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of double shaft contacts systems, effectively
Increase large opening, is remarkably improved connection/breaking capacity；Also provide a kind of automatic change-over comprising double shaft contacts
System, double shaft contacts systems significantly improve connection/breaking capacity of automatic change-over.
To achieve the above object, the utility model adopts the technical scheme that
A kind of double shaft contacts systems comprising the first rotating shaft 1 that is rotatably arranged in first chamber is rotatably arranged on
Indoor second shaft 3 of two chambers, backup power source contact 2, common power contact head 4 and load contact 5, first chamber are arranged second
It above chamber and is isolated from each other, first rotating shaft 1 and the second shaft 3 are arranged side by side；
Outer power drive first rotating shaft 1 rotates, and first rotating shaft 1 can be made to be connected respectively with backup power source contact 2, load contact 5；
Outer the second shaft of power drive 3 rotates, and the second shaft 3 can be made to be connected respectively with common power contact head 4 and load contact 5.
Preferably, the load contact 5 setting is in 3 side of first rotating shaft 1 and the second shaft, backup power source contact 2 and often
With the setting of power contact head 4 in 3 other side of first rotating shaft 1 and the second shaft, backup power source contact 2 is arranged in first chamber, often
It is arranged in second chamber with power contact head 4.
Preferably, the load contact 5, backup power source contact 2 and common power contact head 4 are located at a triangle
Three apexes, the pivot center of first rotating shaft 1, the second shaft 3 pivot center be respectively positioned in the triangle, and first turn
The pivot center of axis 1 is parallel to the pivot center of the second shaft 3.
Preferably, the first rotating shaft 1 is identical with 3 structure of the second shaft, includes that contact supports 10 and moving contact 11, moves
Contact 11 is inserted into that contact is supported on 10 and both ends are prominent supports 10 two sides in contact, is the with the moving contact 11 of first rotating shaft 1
One moving contact, the first moving contact include the first moving contact left end and the first moving contact right end for being separately positioned on its both ends, with
The moving contact 11 of two shafts 3 is the second moving contact, and the second moving contact includes the second moving contact left end for being separately positioned on its both ends
With the second moving contact right end；
At double shaft contacts systems when double gate-dividing states, the first moving contact right end and the second moving contact right end are respectively positioned on
Between backup power source contact 2 and common power contact head 4, the first moving contact left end and the second moving contact left end are located at load touching
First 5 two sides are distributed the first moving contact and the second moving contact at " > " shape；Double shaft contacts systems are in common power supply and close
When lock state, the second moving contact left end is connected with load contact 5, and the second moving contact right end is connected with common power contact head 4, and first
Moving contact and the second dynamic touching are parallel；When double shaft contacts systems are in backup power source "on" position, the first moving contact left end
It is connected with load contact 5, the first moving contact right end is connected with backup power source contact 2, and the first moving contact and the second dynamic touching are parallel；Often
It is distributed with the first moving contact under the second moving contact and backup power source "on" position under power supply "on" position at " < " shape.
Preferably, the first rotating shaft 1 is identical with the structure of the second shaft 3, includes that contact supports 10,11 and of moving contact
Spring leaf 12, moving contact 11, which is inserted into contact support 10, and both ends are prominent supports 10 two sides in contact, and spring leaf 12 is inserted into
Contact supports on 10 that both ends are connected with 11 both ends of moving contact respectively, and spring leaf 12 supports that 10 limits are connected and both ends are divided with contact
Not Ya Jin moving contact 11 both ends.
Preferably, the contact supports 10 to be equipped at least one set of contact receptacle 13, and every group of contact receptacle 13 includes two
It is arranged side by side and the contact receptacle 13 that is isolated from each other, is fitted with a moving contact 11 and a spring in each contact receptacle 13
The side wall of piece 12, spring leaf 12 and contact receptacle 13, which limits, to be cooperated, two moving contacts being inserted into same group of contact receptacle 13
11 are arranged side by side, and are distributed at "=" shape, and two moving contacts 11 being inserted into same group of contact receptacle 13, which are located at, is inserted into the group
Between two spring leafs 12 in contact receptacle 13.
Preferably, spring leaf limited post 130 is equipped on the side wall of each contact receptacle 13, in each spring leaf 12
Portion is equipped with spring leaf limit hole 120, and spring leaf limit hole 120 is connected with the limit of spring leaf limited post 130.
Preferably, the spring leaf 12 includes spring leaf mainboard 121, spring leaf elastic plate 122 and spring leaf connecting plate
123,121 both ends of spring leaf mainboard are respectively provided with a spring leaf elastic plate 122 being connected with its bending, each spring leaf elastic plate
122 one end are connected with spring leaf mainboard 121, and the other end is connected with spring leaf connecting plate 123, are equipped in the middle part of spring leaf mainboard 121
Spring leaf limit hole 120, spring leaf connecting plate 123 are connected with moving contact 11, spring leaf elastic plate 122 and spring leaf mainboard 121
Angle α, 90 ° < α < 180 °, spring leaf connecting plate 123 is parallel to spring leaf mainboard 121.
Preferably, the contact supports that 10 further include the multiple equally distributed lightening holes 14 being disposed thereon.
Preferably, being inserted into two moving contacts 11 in group contact receptacle 13 is one group, and every group of moving contact 11 is with one
5, backup power source contacts 2 of a load contact and a common power contact head 4 are used cooperatively；
The load contact 5 includes load contact terminal plate 50 and the load that 50 one end of load contact terminal plate is arranged in
Contact contact knife 51；The backup power source contact 2 is including spare terminal plate 20 and the spare of spare 20 one end of terminal plate is arranged in
Contact knife 21；The common power contact head 4 includes common wiring pattern plate 40 and the common contact knife that 40 one end of common wiring pattern plate is arranged in
41；
When double shaft contacts systems are converted to backup power source "on" position, 51 one end of load contact contact knife is inserted into one group
Between two moving contacts 11 of 11 one end of moving contact, spare contact knife 21 is inserted into two moving contacts 11 of this group of 11 other end of moving contact
Between；When double shaft contacts systems are converted to common power supply "on" position, 51 other end of load contact contact knife is inserted into one group
Between two moving contacts 11 of 11 one end of moving contact, two moving contacts 11 that contact knife 41 is inserted into this group of 11 other end of moving contact are commonly used
Between.
A kind of automatic change-over comprising double shaft contacts systems described in any one.
It preferably, further include common pedestal 6 and spare pedestal 7, the spare setting of pedestal 7 is above common pedestal 6 and spare
Pedestal 7 and common pedestal 6 stack setting, and first chamber setting is arranged in spare 7 middle part of pedestal, second chamber in common pedestal 6
Middle part.
Preferably, the both ends of the load contact contact knife 51 of the load contact 5 are located at common pedestal 6 and spare pedestal
In 7.
Double shaft contacts systems of the utility model comprising first rotating shaft in first chamber and setting are set the
Indoor second shaft of two chambers, first chamber, which is arranged, above second chamber and to be isolated from each other, and is increased effectively out away from significantly mentioning
High connection/breaking capacity of the double shaft contacts systems of the utility model.In addition, double shaft contacts systems of the utility model,
When being converted by double gate-dividing states to backup power source "on" position or common power supply "on" position, the load contact contact knife of load contact
It rubs with moving contact, friction or the common touching of common power contact head occur for the spare contact knife and moving contact of backup power source contact
Knife rubs with moving contact, has automatic cleaning action, ensure that moving contact and load contact, backup power source contact, common electricity
The reliability of source contact and good electric conductivity are conducive to the connection/breaking capacity for improving double shaft contacts systems, and
With it is existing using clap conjunction mode contact system compared with, move/static contact between rigid contact when, avoid or significantly reduce electricity
The generation of arc avoids or significantly reduces the degree that contact is cauterized or wears, and is conducive to the use for improving double shaft contacts systems
Service life improves connection/breaking capacity.The automatic change-over of the utility model comprising double shaft contacts systems, double turns
Axis contact system significantly improves connection/breaking capacity of automatic change-over.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the double shaft contacts systems of the utility model；
Fig. 2 is the structural schematic diagram of double shaft contacts systems under the double gate-dividing states of the utility model；
Fig. 3 is the structural schematic diagram of double shaft contacts systems under the utility model backup power source "on" position；
Fig. 4 is the structural schematic diagram for double shaft contacts systems that the utility model is often used under power supply "on" position；
Fig. 5 is the structural schematic diagram of the utility model first rotating shaft and the second shaft, and it illustrates contacts to support, moving contact
With the assembly relation of spring leaf；
Fig. 6 is the structural schematic diagram that the utility model contact is supported；
Fig. 7 is another structural schematic diagram that the utility model contact is supported；
Fig. 8 is the structural schematic diagram of the utility model spring leaf；
Fig. 9 is the structural schematic diagram of the utility model spring leaf, it illustrates spring leaf mainboard and spring leaf elastic plate it
Between angle α
Figure 10 is another schematic perspective view of the double shaft contacts systems of the utility model, commonly uses pedestal and spare base
The assembly relation of seat.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1-9 is provided, the tool of double shaft contacts systems of the utility model is further illustrated
Body embodiment.Double shaft contacts systems of the utility model are not limited to the following description.
Double shaft contacts systems of the utility model comprising be rotatably arranged on first rotating shaft 1 in first chamber, rotation
The second shaft 3, backup power source contact 2, common power contact head 4 and load contact 5 in second chamber are set, and first chamber is set
It sets above second chamber and is isolated from each other, first rotating shaft 1 and the second shaft 3 are arranged side by side；
Outer power drive first rotating shaft 1 rotates, and first rotating shaft 1 can be made to be connected respectively with backup power source contact 2, load contact 5；
Outer the second shaft of power drive 3 rotates, and the second shaft 3 can be made to be connected respectively with common power contact head 4, load contact 5.
Existing automatic change-over mostly uses the rotation of single-turn axis to realize the conjunction of the combined floodgate and backup power source of common power supply
Lock causes automatic change-over to there is a problem of out influencing the raising of automatic change-over connection/breaking capacity away from little.
Double shaft contacts systems of the utility model comprising the first rotating shaft 1 in first chamber is set and setting exists
The second shaft 3 in second chamber, first chamber are arranged above second chamber and are isolated from each other, and increase effectively out away from aobvious
Write the connection/breaking capacity for improving the double shaft contacts systems of the utility model.
It should be pointed out that double shaft contacts systems of the utility model, only allow to convert from double gate-dividing states to common
Power supply "on" position, double gate-dividing states are converted to backup power source "on" position, and common power supply and backup power source cannot be closed simultaneously
Lock.
Below with reference to Figure of description and specific embodiment, double shaft contacts systems of the utility model are made further
Explanation.
It as shown in Figs 1-4, is one embodiment of the double shaft contacts systems of the utility model.
As shown in Figs 1-4, double shaft contacts systems of the utility model include being rotatably arranged on first chamber (not show in figure
First rotating shaft 1 in out), the second shaft 3 being rotatably arranged in second chamber (not shown), backup power source contact 2, often
With power contact head 4 and load contact 5, first chamber is arranged above second chamber and is isolated from each other, first rotating shaft 1 and second turn
Axis 3 is arranged side by side.
Preferably, as shown in Figs 1-4, the load contact 5 is arranged in 3 side of first rotating shaft 1 and the second shaft, standby electricity
Source contact 2 and the setting of common power contact head 4 are in 3 other side of first rotating shaft 1 and the second shaft, and the setting of backup power source contact 2 is the
In one chamber, and it is located at 1 side of first rotating shaft, commonly uses power contact head 4 and be arranged in second chamber, and be located at the second shaft 3 one
Side.
Preferably, as in Figure 2-4, the load contact 5, backup power source contact 2 and common power contact head 4 are located at
The pivot center 3 of three apexes of one triangle, the pivot center 1 of first rotating shaft 1 and the second shaft 3 is respectively positioned on the triangle
In shape, and the pivot center of first rotating shaft 1 and the pivot center of the second shaft 3 are parallel to each other.
Preferably, as in Figure 2-4, the triangle is isosceles triangle.
Preferably, as in Figure 2-4, the first rotating shaft 1 is identical with the structure of the second shaft 3, includes that contact is supported
10 and moving contact 11, moving contact 11 be inserted into contact support on 10 and both ends it is prominent supported in contact 10 two sides, with first turn
The moving contact 11 of axis 1 is the first moving contact, and the first moving contact includes the first moving contact left end and for being separately positioned on its both ends
One moving contact right end, with the moving contact 11 of the second shaft 3 for the second moving contact, the second moving contact includes being separately positioned on its both ends
The second moving contact left end and the second moving contact right end；When double shaft contacts systems are in double gate-dividing states, the first dynamic touching
Head right end and the second moving contact right end be respectively positioned between backup power source contact 2 and common power contact head 4, the first moving contact left end and
Second moving contact left end is located at 5 two sides of load contact, is distributed the first moving contact and the second moving contact at " > " shape；It is described
When double shaft contacts systems are in common power supply "on" position, the second moving contact left end is connected with load contact 5, the second moving contact
Right end is connected with common power contact head 4, and the first moving contact and the second moving contact can effectively expand large opening in parallel；Double shafts
When contact system is in backup power source "on" position, the first moving contact left end is connected with load contact 5, the first moving contact right end with
Backup power source contact 2 is connected, the first moving contact and the second moving contact can effectively expand large opening in parallel；Common power supply combined floodgate shape
The first moving contact under the second moving contact and backup power source "on" position under state is distributed at " < " shape.
Preferably, angle≤90o of the first moving contact under double gate-dividing states and the second moving contact.Further, double points
The angle of the first moving contact and the second moving contact under lock state is 90o.
Preferably, the first moving contact under the second moving contact and backup power source "on" position under power supply "on" position is commonly used
Angle≤90o.Further, first under the second moving contact and backup power source "on" position under power supply "on" position is commonly used
The angle of moving contact is 90o.
Specifically, direction as in Figure 2-4, right above the second shaft 3, load contact 5 is set for the setting of first rotating shaft 1
It sets in first rotating shaft 1 and the left side of the second shaft 3 and positioned there between, backup power source contact 2 and the setting of common power contact head 4 exist
3 right side of first rotating shaft 1 and the second shaft, backup power source contact 2 are arranged above common power contact head 4, and backup power source contact 2
In the upper right side of first rotating shaft 1, common power contact head 4 is located at the lower right side of the second shaft 3；The first rotating shaft 1 and second turn
Axis 3 includes the moving contact 11 that contact is supported 10 and is inserted into contact support 10, and protrusion is being touched respectively at moving contact 11 both ends
Head supports 10 left and right sides, and with the moving contact 11 of first rotating shaft 1 for the first moving contact, the first moving contact includes being separately positioned on
First moving contact left end of its left and right ends and the first moving contact right end, with the moving contact 11 of the second shaft 3 for the second moving contact,
Second moving contact includes the second moving contact left end and the second moving contact right end for being separately positioned on its left and right ends.As shown in Fig. 2,
Double shaft contacts systems are in double gate-dividing states, and the first moving contact left end and the second moving contact left end are located at load touching
First 5 two sides up and down, the first moving contact right end and the second moving contact right end are respectively positioned on backup power source contact 2 and common power contact head
Between 4, the extended line of the first moving contact right end intersects with the extended line of the second moving contact right end, moves the first moving contact and second
Contact is distributed at " > " shape, as shown in figure 3, double shaft contacts systems are in backup power source "on" position, the first moving contact is left
End is connected with load contact 5, and the first moving contact right end is connected with backup power source contact 2, makes the first moving contact and the second moving contact
Form being arranged in parallel toward left side from top to bottom；It closes a floodgate as shown in figure 4, double shaft contacts systems are in common power supply
State, the second moving contact left end are connected with load contact 5, and the second moving contact right end is connected with common power contact head 4, make first to move
Contact and the second moving contact form inclined be arranged in parallel of turning right from top to bottom；In conjunction with Fig. 3 and 4 as can be seen that backup power source
The second moving contact under the first moving contact and common power supply "on" position under "on" position is distributed at " < " shape.
Double shaft contacts systems of the utility model, 3 shared load contact 5 of first rotating shaft 1 and the second shaft, are conducive to
Amount of parts is reduced, assembly space is saved, reduces production cost.
The first rotating shaft 1 of the utility model is identical with the structure of the second shaft 3, as shown in figure 5, for an implementation of the two
Example.
As shown in figure 5, the first rotating shaft 1 and the second shaft 3 include that contact supports 10, moving contact 11 and spring leaf
12, moving contact 11 is inserted into contact and supports the prominent two sides in contact support 10 on 10 and both ends, and spring leaf 12 is inserted into contact
It supports on 10, both ends are connected with 11 both ends of moving contact respectively, and spring leaf 12 and contact support 10, which limits, to be connected and spring leaf 12
Both ends compress the both ends of moving contact 11 respectively.
Preferably, as shown in Figures 6 and 7, the contact supports 10 to be equipped at least one set of contact receptacle 13, and every group of contact is inserted
Hole 13 include two side by side and the contact receptacle 13 that is isolated from each other, be fitted with a moving contact 11 in each contact receptacle 13
With a spring leaf 12, the side wall of spring leaf 12 and contact receptacle 13, which limits, to be cooperated, and is inserted into same group of contact receptacle 13
Two moving contacts 11 are arranged side by side, and are distributed at "=" shape, and two moving contacts 11 being inserted into same group of contact receptacle 13 are located at
It is inserted between two spring leafs 12 in this group of contact receptacle 13.
Preferably, as shown in FIG. 7 and 8, it is equipped with spring leaf limited post 130 on the side wall of each contact receptacle 13,
Spring leaf limit hole 120 is equipped in the middle part of each spring leaf 12, spring leaf limit hole 120 limits phase with spring leaf limited post 130
Even.
Preferably, 11 both ends of moving contact are respectively provided with a moving contact retention bead, and the both ends of spring leaf 12 are respectively provided with
One spring leaf limiting slot 124, spring leaf limiting slot 124 and the limit of moving contact retention bead cooperate.
Preferably, as shown in fig. 6, the contact supports that 10 further include the multiple equally distributed lightening holes being disposed thereon
14, be conducive to save the raw material usage amount that contact supports 10, reduce production cost, and mitigates contact to a certain extent and support
10 self weight makes contact support 10 more smooth movements freely.
Specifically, as Figure 6-9, the first rotating shaft 1 and the second shaft 3 include that contact supports 10, and contact is supported
On 10 side by side be equipped with multiple groups contact receptacle 13, multiple groups contact receptacle 13 is parallel to each other, every group of contact receptacle 13 include two simultaneously
The contact receptacle 13 for arranging setting is distributed, each contact with the isolation parallel to each other of two contact receptacles 13 setting of group at "=" shape
A moving contact 11 and a spring leaf 12 are fitted in jack 13, two moving contacts 11 in same group of contact receptacle 13 are
One group, two spring leafs 12 in same group of contact receptacle 13 are one group, and two be inserted into one group of contact receptacle 13 are dynamic
Contact 11 is located between two spring leafs 12 in this group of contact receptacle 13, and the both ends of moving contact 11 are protruded in contact receptacle respectively
On the outside of 13 both ends, the both ends of spring leaf 12 protrude on the outside of the both ends of contact receptacle 13 respectively, and the both ends of spring leaf 12 point
It is not connected with the both ends of moving contact 11, a spring leaf limited post 130, each bullet is equipped on the side wall of each contact receptacle 13
A spring leaf limit hole 120 is equipped in the middle part of reed 12, spring leaf limit hole 120 is set on spring leaf limited post 130, is moved
The both ends of contact 11 are respectively provided with a moving contact retention bead, and multiple lightening holes 14 are evenly distributed on the annular side that contact supports 13
On face.
Preferably, as in Figure 2-4, moving contact 11 described in every group with 5, backup power source contacts of a load contact
2, a common power contact head 4 is used cooperatively.The load contact 5 includes that load contact terminal plate 50 and setting are touched in load
The load contact contact knife 51 of 50 one end of head terminal plate；The backup power source contact 2 includes spare terminal plate 20 and is arranged standby
With the spare contact knife 21 of 20 one end of terminal plate；The common power contact head 4 includes that common wiring pattern plate 40 and setting connect common
The common contact knife 41 of 40 one end of line plate.As shown in figure 3, being born when double shaft contacts systems are in backup power source "on" position
It carries 51 one end of contact contact knife to be inserted between two moving contacts 11 of one group of 11 one end of moving contact, spare contact knife 21 is inserted into the dynamic touching of the group
Between two moving contacts 11 of first 11 other end.As shown in figure 4, double shaft contacts systems are in common power supply "on" position
When, 51 other end of load contact contact knife is inserted between two moving contacts 11 of one group of 11 one end of moving contact, is commonly used contact knife 41 and is inserted into
Between two moving contacts 11 of this group of 11 other end of moving contact.
Double shaft contacts systems of the utility model are converted by double gate-dividing states to backup power source "on" position or common electricity
When the "on" position of source, load contact contact knife and the moving contact 11 of load contact 5 rub, the spare touching of backup power source contact 2
The common contact knife 41 that with moving contact 11 friction or common power contact head 4 occur for knife 21 rubs with moving contact 11, has from clear
Clean effect ensure that reliability that moving contact 11 and load contact 5, backup power source contact 2, common power contact head 4 contact and good
Good electric conductivity is conducive to the connection/breaking capacity for improving double shaft contacts systems, and is conducive to improve specified pick-up current
Value, and with it is existing using the contact system for clapping conjunction mode compared with, move/static contact between rigid contact when, avoid or significantly
The generation for reducing electric arc avoids or significantly reduces the degree that contact is cauterized or wears, and is conducive to improve double shaft contacts systems
The service life of system improves connection/breaking capacity.
Preferably, as shown in FIG. 8 and 9, the spring leaf 12 includes spring leaf mainboard 121, spring leaf elastic plate 122 and bullet
Reed connecting plate 123,121 both ends of spring leaf mainboard are respectively provided with the spring leaf elastic plate 122 being connected with its bending, each spring leaf
122 one end of elastic plate is connected with spring leaf mainboard 121, and the other end is connected with spring leaf connecting plate 123, in spring leaf mainboard 121
Portion is equipped with spring leaf limit hole 120, and spring leaf connecting plate 123 is connected with moving contact 11, spring leaf elastic plate 122 and spring leaf master
The angle α of plate 121,90 ° < α < 180 °, spring leaf connecting plate 123 is parallel to spring leaf mainboard 121.
Preferably, as shown in figure 8, described 123 one end of spring leaf connecting plate is equipped with spring leaf limiting slot 124.
A kind of automatic change-over is also disclosed in the utility model comprising double shaft contacts systems.
Preferably, as shown in Figure 10, the automatic change-over of the utility model further includes commonly using pedestal 6 and spare pedestal 7,
Spare pedestal 7 is arranged above common pedestal 6 and spare pedestal 7 and common pedestal 6 stack setting, and first chamber is arranged spare
7 middle part of pedestal, second chamber setting is at common 6 middle part of pedestal.
Preferably, the upper and lower ends of the load contact contact knife 51 of the load contact 5 are located at spare pedestal 7 and commonly use
In pedestal 6.Further, the bottom surface of the spare pedestal is equipped with the load contact passed through for load contact contact knife 51 and passes through
Hole.
The automatic change-over of the utility model, using double shaft contacts systems, significantly increase out away from, improve from
Connection/breaking capacity of dynamic change-over switch.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (13)
1. a kind of double shaft contacts systems, which is characterized in that it include the first rotating shaft (1) being rotatably arranged in first chamber,
The second shaft (3), backup power source contact (2), common power contact head (4) and the load contact being rotatably arranged in second chamber
(5), first chamber is arranged above second chamber and is isolated from each other, and first rotating shaft (1) and the second shaft (3) are arranged side by side；
The rotation of outer power drive first rotating shaft (1), can make first rotating shaft (1) respectively with backup power source contact (2), load contact (5)
It is connected；The rotation of outer the second shaft of power drive (3), can make the second shaft (3) respectively with common power contact head (4) and load contact
(5) it is connected.
2. double shaft contacts systems according to claim 1, it is characterised in that: the load contact (5) is arranged first
Shaft (1) and the second shaft (3) side, backup power source contact (2) and common power contact head (4) setting in first rotating shaft (1) and
Second shaft (3) other side, backup power source contact (2) are arranged in first chamber, commonly use power contact head (4) and are arranged in the second chamber
It is indoor.
3. double shaft contacts systems according to claim 2, it is characterised in that: the load contact (5), backup power source touching
Head (2) and common power contact head (4) are located at three apexes of a triangle, the pivot center of first rotating shaft (1), the
The pivot center of two shafts (3) is respectively positioned in the triangle, and the pivot center of first rotating shaft (1) is parallel to the second shaft
(3) pivot center.
4. double shaft contacts systems according to claim 1, it is characterised in that: the first rotating shaft (1) and the second shaft
(3) structure is identical, includes that contact supports (10) and moving contact (11), and moving contact (11) is inserted into contact support (10) and two
Distal process, which goes out, supports (10) two sides in contact, and with the moving contact (11) of first rotating shaft (1) for the first moving contact, the first moving contact includes
It is separately positioned on the first moving contact left end and the first moving contact right end at its both ends, is with the moving contact (11) of the second shaft (3)
Second moving contact, the second moving contact include the second moving contact left end and the second moving contact right end for being separately positioned on its both ends；
At double shaft contacts systems when double gate-dividing states, the first moving contact right end and the second moving contact right end are respectively positioned on spare
Between power contact head (2) and common power contact head (4), the first moving contact left end and the second moving contact left end are located at load touching
Head (5) two sides, are distributed the first moving contact and the second moving contact at " > " shape；Double shaft contacts systems are in common power supply
When "on" position, the second moving contact left end is connected with load contact (5), the second moving contact right end and common power contact head (4) phase
Even, the first moving contact and the second dynamic touching are parallel；When double shaft contacts systems are in backup power source "on" position, the first dynamic touching
Head left end is connected with load contact (5), and the first moving contact right end is connected with backup power source contact (2), the first moving contact and second
Dynamic touching is parallel；The first moving contact under the second moving contact and backup power source "on" position under common power supply "on" position is at " < "
Shape distribution.
5. double shaft contacts systems according to claim 1, it is characterised in that: the first rotating shaft (1) and the second shaft
(3) structure is identical, includes that contact supports (10), moving contact (11) and spring leaf (12), moving contact (11) to be inserted into contact
It supports on (10) and both ends is prominent in contact support (10) two sides, spring leaf (12) is inserted into contact and supports on (10), both ends point
It is not connected with moving contact (11) both ends, spring leaf (12) supports that (10) limit is connected and both ends compress moving contact respectively with contact
(11) both ends.
6. double shaft contacts systems according to claim 5, it is characterised in that: the contact supports (10) to be equipped at least
One group of contact receptacle (13), every group of contact receptacle (13) include two contact receptacles (13) for being arranged side by side and being isolated from each other, often
A moving contact (11) and a spring leaf (12), spring leaf (12) and contact receptacle are fitted in a contact receptacle (13)
(13) side wall limits cooperation, and two moving contacts (11) being inserted into same group of contact receptacle (13) are arranged side by side, at "="
Shape distribution, two moving contacts (11) being inserted into same group of contact receptacle (13), which are located at, to be inserted into this group of contact receptacle (13)
Two spring leafs (12) between.
7. double shaft contacts systems according to claim 6, it is characterised in that: the side wall of each contact receptacle (13)
On be equipped with spring leaf limited post (130), be equipped with spring leaf limit hole (120) in the middle part of each spring leaf (12), spring leaf limit
Position hole (120) is connected with spring leaf limited post (130) limit.
8. double shaft contacts systems according to claim 7, it is characterised in that: the spring leaf (12) includes spring leaf master
Plate (121), spring leaf elastic plate (122) and spring leaf connecting plate (123), spring leaf mainboard (121) both ends are respectively provided with rolls over it
A curved connected spring leaf elastic plate (122), each spring leaf elastic plate (122) one end are connected with spring leaf mainboard (121),
The other end is connected with spring leaf connecting plate (123), is equipped with spring leaf limit hole (120) in the middle part of spring leaf mainboard (121), spring leaf
Connecting plate (123) is connected with moving contact (11), the angle α of spring leaf elastic plate (122) and spring leaf mainboard (121), 90 ° of < α
180 ° of <, spring leaf connecting plate (123) is parallel to spring leaf mainboard (121).
9. double shaft contacts systems according to claim 5, it is characterised in that: the contact supports that (10) further include setting
Multiple equally distributed lightening holes (14) on it.
10. double shaft contacts systems according to claim 6, it is characterised in that: be inserted into in group contact receptacle (13)
Two moving contacts (11) be one group, every group of moving contact (11) with a load contact (5), a backup power source contact (2)
It is used cooperatively with a common power contact head (4)；
The load contact (5) includes load contact terminal plate (50) and setting in the negative of load contact terminal plate (50) one end
It carries contact contact knife (51)；The backup power source contact (2) includes spare terminal plate (20) and is arranged in spare terminal plate (20)
The spare contact knife (21) of one end；The common power contact head (4) includes common wiring pattern plate (40) and is arranged in common wiring pattern plate
(40) the common contact knife (41) of one end；
When double shaft contacts systems are converted to backup power source "on" position, load contact contact knife (51) one end be inserted into one group it is dynamic
Between two moving contacts (11) of contact (11) one end, spare contact knife (21) be inserted into two of this group of moving contact (11) other end it is dynamic
Between contact (11)；When double shaft contacts systems are converted to common power supply "on" position, load contact contact knife (51) is another
Between two moving contacts (11) of end one group of moving contact (11) one end of insertion, it is another that common contact knife (41) are inserted into this group of moving contact (11)
Between two moving contacts (11) of one end.
11. a kind of automatic change-over, which is characterized in that it includes double shaft contacts described in any one claim 1-10
System.
12. automatic change-over according to claim 11, it is characterised in that: further include common pedestal (6) and spare base
Seat (7), spare pedestal (7) setting is above common pedestal (6) and spare pedestal (7) and common pedestal (6) stack and be arranged, and first
Chamber setting is in the middle part of spare pedestal (7), and second chamber setting is in the middle part of common pedestal (6).
13. automatic change-over according to claim 12, it is characterised in that: the load contact of the load contact (5)
The both ends of contact knife (51) are located in common pedestal (6) and spare pedestal (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920066075.8U CN209418346U (en) | 2019-01-15 | 2019-01-15 | Double shaft contacts systems and automatic change-over |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920066075.8U CN209418346U (en) | 2019-01-15 | 2019-01-15 | Double shaft contacts systems and automatic change-over |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209418346U true CN209418346U (en) | 2019-09-20 |
Family
ID=67943787
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920066075.8U Active CN209418346U (en) | 2019-01-15 | 2019-01-15 | Double shaft contacts systems and automatic change-over |
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| Country | Link |
|---|---|
| CN (1) | CN209418346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220677A (en) * | 2021-12-30 | 2022-03-22 | 雷顿电气科技有限公司 | Automatic change-over switch electric appliance |
-
2019
- 2019-01-15 CN CN201920066075.8U patent/CN209418346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220677A (en) * | 2021-12-30 | 2022-03-22 | 雷顿电气科技有限公司 | Automatic change-over switch electric appliance |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Double shaft contact system and automatic transfer switch Granted publication date: 20190920 License type: Common License Record date: 20201021 |