CN210091945U - Plug-in contact system and automatic transfer switching device - Google Patents
Plug-in contact system and automatic transfer switching device Download PDFInfo
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- CN210091945U CN210091945U CN201920485438.1U CN201920485438U CN210091945U CN 210091945 U CN210091945 U CN 210091945U CN 201920485438 U CN201920485438 U CN 201920485438U CN 210091945 U CN210091945 U CN 210091945U
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Abstract
A plug-in contact system comprises a contact support connected with a main shaft and a movable contact arranged on the contact support, wherein contact grooves are respectively formed in two ends of the movable contact, a first inlet wire static contact and a second inlet wire static contact are arranged on one side of the contact support, a first outlet wire static contact arranged opposite to the first inlet wire static contact and a second outlet wire static contact arranged opposite to the second inlet wire static contact are arranged on the other side of the contact support, the contact support can drive the movable contact to rotate, so that the first inlet wire static contact and the first outlet wire static contact are respectively inserted into the contact grooves in two ends of the movable contact, or the second inlet wire static contact and the second outlet wire static contact are respectively inserted into the contact grooves in two ends of the movable contact, and the plug-in contact system has the characteristics of small size and reliable contact. The utility model also provides an automatic change-over switch electrical apparatus, have safe and reliable, the contact divides the characteristics that ability reinforce and small.
Description
Technical Field
The utility model relates to a low-voltage apparatus field especially relates to a bayonet contact system and automatic change-over switch electrical apparatus.
Background
In the current market, the conversion devices of the PC-level automatic transfer switching equipment are various, and have electromagnetic attraction type and motor driving type. For PC three-section type automatic transfer switch electric appliance (namely, common position, standby position and double-division power-off position), most of them adopt double-cavity structure of upper and lower two groups of rotating shafts, i.e. the common power supply contact system and standby power supply contact system are positioned in two independent structure bodies, one group of rotating shafts is connected and disconnected with the common power supply contact system, another group of rotating shafts is connected and disconnected with the standby power supply contact system, and the outlet terminals of two contact systems are connected together. Although the structure can realize the relative independence and safety of the power supply at the common side and the power supply at the standby side, the double-cavity structure of the upper and lower groups of rotating shafts has the conditions of larger volume and relatively complex structure.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, the bayonet contact system of the single pivot that the reliability is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a plug-in contact system comprises a contact support connected with a main shaft and a movable contact arranged on the contact support, wherein contact grooves are respectively formed in two ends of the movable contact, a first inlet wire static contact and a second inlet wire static contact are arranged on one side of the contact support, a first outlet wire static contact arranged opposite to the first inlet wire static contact and a second outlet wire static contact arranged opposite to the second inlet wire static contact are arranged on the other side of the contact support, the contact support can drive the movable contact to rotate, so that the first inlet wire static contact and the first outlet wire static contact are respectively inserted into the contact grooves in two ends of the movable contact, or the second inlet wire static contact and the second outlet wire static contact are respectively inserted into the contact grooves in two ends of the movable contact.
Preferably, the moving contact is H-shaped, the moving contact comprises two contact rods which are oppositely arranged and a connecting plate which is connected between the middle parts of the two contact rods, contact grooves are formed between the two contact rods and on two sides of the connecting plate respectively, elastic pieces are arranged on the outer sides of the two contact rods respectively, and the two elastic pieces can push the two contact rods to approach to the other contact rod from the outer sides respectively.
Preferably, the first inlet wire static contact comprises a first inlet wire contact plate and a first inlet wire baffle which are vertically arranged, the second inlet wire static contact comprises a second inlet wire contact plate and a second inlet wire baffle which are vertically arranged, the first inlet wire contact plate and the second inlet wire contact plate can be inserted into the contact grooves, and the first inlet wire baffle and the second inlet wire baffle can be abutted to the movable contact from the outer side.
Preferably, two contact poles respectively include two straight portions that set up at both ends to and set up the bellying between two straight portions, the bellying of two contact poles is to outside distortion respectively, forms the torsion portion of twist shape respectively at the both ends of two bellying, the both ends of two bellying link to each other with two straight portions through two torsion portions respectively, and the inboard of two bellying links to each other through the connecting plate, forms the contact groove respectively between two straight portions at two contact pole both ends.
Preferably, the shell fragment is flaky, and the shell fragment includes the elastic arm to and bend the arm of bending that forms to straight portion respectively by the elastic arm both ends, the bellying stretches to between two bending arms and supports at the inboard middle part of elastic arm, the one end of bending arm with the elastic arm be connected and with straight portion interval setting, the other end of bending arm with straight portion keep away from the terminal surface of bellying and flush and support the outside at straight portion.
Preferably, the contact support is circular, two contact holes for avoiding the moving contact are arranged on the circumference of the side surface of the contact support, a connecting line of the two contact holes is positioned on one side of the main shaft, two ends of the moving contact extend out of the contact support from the two contact holes, the outer side of the bending arm is in limit fit with the inner wall of the contact hole, the connecting plate is provided with a bolt, and the elastic arm is provided with an insertion hole fixedly connected with the bolt.
Preferably, the first outlet static contact, the second outlet static contact, the first inlet static contact and the second inlet static contact are all arranged perpendicular to the connecting line direction of the two contact rods, the side edges of the first inlet static contact and the second inlet static contact are respectively and perpendicularly connected with the first inlet baffle and the second inlet baffle, the side edges of the first inlet baffle and the second inlet baffle are respectively and obliquely connected with the first inlet wiring board and the second inlet wiring board, the first inlet wiring board and the second inlet wiring board are respectively provided with a wiring screw, and the side surfaces of the first inlet baffle and the second inlet baffle are in limit fit with one of the two contact rods.
Preferably, the first incoming line baffle on the first incoming line static contact inclines to a side close to the second incoming line static contact, the second incoming line baffle on the second incoming line static contact inclines to a side close to the first incoming line static contact, and an included angle between the first incoming line baffle and the first incoming line static contact and an included angle α between the second incoming line baffle and the second incoming line static contact are obtuse angles.
Preferably, a first outlet wiring board is arranged on one side of the first outlet static contact and one side of the second outlet static contact, the side edge of the first outlet wiring board is connected with the first outlet static contact and the second outlet static contact, one end of the first outlet wiring board is vertically connected with the second outlet wiring board, and a wiring screw is arranged on the second outlet wiring board.
The utility model discloses a contact system, through setting up first inlet wire static contact and second inlet wire static contact in one side that the contact supported, and respectively with first inlet wire static contact and the relative first static contact of being qualified for the next round of competitions that sets up of second inlet wire static contact and second outlet static contact set up the opposite side that supports at the contact, not only have small characteristics, and the contact support can drive the moving contact and rotate, make the contact tank at moving contact both ends overlap respectively and switch on one side power on first inlet wire static contact and the first static contact of being qualified for the next round of competitions, perhaps make the contact tank at moving contact both ends overlap respectively and switch on opposite side power on second inlet wire static contact and the second outlet static contact, still have the reliable characteristics of contact. In addition, after the moving contact is sleeved on the first incoming line static contact, the second incoming line static contact, the first outgoing line static contact and the second outgoing line static contact, the two contact rods are pushed by the elastic sheets on the two sides to be clamped, and the contact can be reliably achieved. In addition, through first inlet wire baffle and second inlet wire baffle respectively with the spacing cooperation in side at moving contact both ends, not only can play the effect spacing to the moving contact, area when can increasing the contact moreover reduces contact resistance.
The utility model also provides an automatic transfer switch electrical apparatus, it includes operating device, drive mechanism and the bayonet contact system, the first inlet wire static contact and the second inlet wire static contact of contact system are connected with common side power supply and standby side power supply respectively, the first outlet wire static contact and the second outlet wire static contact of contact system are connected with the load, the main shaft of contact system is connected with operating device, operating device can drive the main shaft and drive the moving contact on the moving contact support to rotate, the moving contact can switch on the first inlet wire static contact and the first outlet wire static contact to make the common side power supply for the load power supply, or the second inlet static contact and the second outlet static contact are conducted to enable the standby side power supply to supply power to the load, and the power supply to the load is stopped when the moving contact is not in contact with the first inlet static contact and the second inlet static contact, so that the device has the characteristics of safety, reliability, strong contact separating capacity and small size.
Drawings
FIG. 1 illustrates a dual split position of a plug-in contact system according to an embodiment of the present invention;
fig. 2 is a front view of the embodiment of the present invention fig. 2;
FIG. 3 illustrates a typical power on position of a plug-in contact system according to an embodiment of the present invention;
fig. 4 is a front view of the embodiment of the present invention fig. 3;
FIG. 5 illustrates a standby power on position of a plug-in contact system according to an embodiment of the present invention;
fig. 6 is a front view of the embodiment of the present invention fig. 5;
fig. 7 is a top view of the embodiment of the present invention in fig. 3;
fig. 8 is a schematic view illustrating the engagement between the moving contact and the spring plate according to the embodiment of the present invention;
fig. 9 is a schematic structural diagram of a movable contact according to an embodiment of the present invention;
fig. 10 is a top view of a movable contact according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a first outlet static contact and a second outlet static contact according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of the overall change-over switch according to the embodiment of the present invention.
Detailed Description
The following examples, which are given in conjunction with fig. 1 to 12, further illustrate the embodiments of the contact system of the present invention. The contact system of the present invention is not limited to the description of the following embodiments.
The utility model discloses automatic change-over switch electrical apparatus includes operating device 7, drive mechanism and bayonet contact system, bayonet contact system includes first inlet wire static contact 41 and the second inlet wire static contact 42 of being connected with side power supply commonly used and reserve side power respectively, and the first static contact 51 of being qualified for the next round of competitions and the second static contact 52 of being connected with the load respectively, bayonet contact system's main shaft 1 is connected with operating device 7, operating device 7 can drive main shaft 1 and drive moving contact 3 rotation on the contact supports 2, moving contact 3 can switch on first inlet wire static contact 41 and the first static contact 51 of being qualified for the next round of competitions and make the reserve side power supply for the load power supply (stand-by power supply closing position), or switch on second inlet wire static contact 42 and the second static contact 52 of being qualified for the next round of competitions and make the side power supply commonly used for the load power supply (common power supply closing position), stop supplying power for the load when moving contact 3 does not contact with Set).
As shown in fig. 1-2, the plug-in contact system of the present invention comprises a plurality of contact supports 2 disposed side by side and connected to a main shaft 1, and a movable contact 3 disposed on the contact supports 2, wherein two ends of the movable contact 3 are respectively provided with a U-shaped contact groove 36, a first inlet static contact 41 and a second inlet static contact 42 are arranged on one side of the contact support 2, a first outlet static contact 51 arranged opposite to the first inlet static contact 41 is arranged on the other side of the contact support 2, and a second outlet static contact 52 arranged opposite to the second inlet static contact 42, the contact support 2 can drive the movable contact 3 to rotate, so that the first inlet static contact 41 and the first outlet static contact 51 are respectively inserted into the contact slots 36 at the two ends of the movable contact 3, or the second incoming line static contact 42 and the second outgoing line static contact 52 are respectively inserted into the contact slots 36 at the two ends of the movable contact 3.
The utility model discloses a plug-in contact system, through setting up first inlet wire static contact 41 and second inlet wire static contact 42 in one side that the contact supported 2, and respectively with the relative first fixed contact 51 of being qualified for the next round of competitions that sets up of first inlet wire static contact 41 and second inlet wire static contact 42 and the second fixed contact 52 of being qualified for the next round of competitions sets up the opposite side at contact support 2, not only have small characteristics, and contact support 2 can drive moving contact 3 and rotate, make the contact socket 36 at moving contact 3 both ends overlap respectively and switch on one side power on first inlet wire static contact 41 and the first fixed contact 51 of being qualified for the next round of competitions, or make the contact socket 36 at moving contact 3 both ends overlap respectively and switch on the opposite side power on second inlet wire static contact 42 and the second fixed contact 52 of being.
Further, the moving contact 3 is in an H shape, the moving contact 3 includes two contact bars 33 arranged oppositely and a connecting plate 34 connected between the middle portions of the two contact bars 33, contact grooves 36 are formed between the two contact bars 33 and on both sides of the connecting plate 34, spring pieces 35 are respectively arranged on the outer sides of the two contact bars 33, and the two spring pieces 35 can push the two contact bars 33 to approach to each other from the outer sides respectively. After the moving contact 3 is sleeved on the first incoming line static contact 41, the second incoming line static contact 42, the first outgoing line static contact 51 and the second outgoing line static contact 52, the two contact rods 33 are pushed by the elastic sheets 35 on the two sides to be clamped tightly, and the contact can be reliably achieved.
Further, the first incoming line static contact 41 includes a first incoming line contact plate 410 and a first incoming line baffle 411 that are vertically disposed, and the second incoming line static contact 42 includes a second incoming line contact plate 420 and a second incoming line baffle 421 that are vertically disposed, where the first incoming line contact plate 410 and the second incoming line contact plate 420 can be inserted into the contact slot 36, and the first incoming line baffle 411 and the second incoming line baffle 421 can be abutted against the movable contact 3 from the outside. Through the spacing cooperation in side at first inlet wire baffle 411 and second inlet wire baffle 421 with moving contact 3 both ends respectively, not only can play the spacing effect of moving contact 3, the area when can increasing the contact moreover reduces contact resistance. It can be understood that a first outgoing line baffle and a second outgoing line baffle, which are in spacing fit with the side surfaces of the two ends of the movable contact 3, may also be disposed on the first outgoing line fixed contact 51 and the second outgoing line fixed contact 52, where the first outgoing line baffle is disposed in parallel with the first incoming line baffle 411, and the second outgoing line baffle is disposed in parallel with the second incoming line baffle 421.
The one end of the moving contact 3 extending between the first incoming line fixed contact 41 and the second outgoing line fixed contact 52 is a first moving contact 31, the other end of the moving contact 3 extending between the second incoming line fixed contact 42 and the first outgoing line fixed contact 51 is a second moving contact 32, the contact support 2 can drive the first moving contact 31 of the moving contact 3 to swing between the first incoming line fixed contact 41 and the second outgoing line fixed contact 52, and simultaneously drive the second moving contact 32 of the moving contact 3 to swing between the second incoming line fixed contact 42 and the first outgoing line fixed contact 51, and when the first moving contact 31 contacts with the first incoming line fixed contact 41, the second moving contact 32 contacts with the first outgoing line fixed contact 51; when the first moving contact 31 contacts with the second incoming fixed contact 42, the second moving contact 32 contacts with the second outgoing fixed contact 52.
As shown in fig. 3-4, when the first moving contact 31 contacts the first incoming fixed contact 41, the second moving contact 32 contacts the first outgoing fixed contact 51, so that a contact system forms a path between the first incoming fixed contact 41 and the first outgoing fixed contact 51, and a side power supply connected to the first incoming fixed contact 41 is turned on;
as shown in fig. 5-6, when the second moving contact 32 contacts the second incoming line fixed contact 42, the second moving contact 32 contacts the second outgoing line fixed contact 52, so that a contact system forms a path between the second incoming line fixed contact 42 and the second outgoing line fixed contact 52, and a power supply on the other side connected to the second incoming line fixed contact 42 is turned on;
as shown in fig. 1-2, when the first movable contact 31 is located between the first incoming fixed contact 41 and the second outgoing fixed contact 52, and the second movable contact 32 at the other end is located between the second incoming fixed contact 42 and the first outgoing fixed contact 51, there is no path in the contact system, and the power supplies at both sides are in the off state.
The first outgoing baffle and the second outgoing baffle can be respectively in limit fit with the other side surfaces of the first movable contact 31 and the second movable contact 32 relative to the first incoming baffle 411 and the second incoming baffle 421, the first incoming baffle 411 and the second incoming baffle 421 can simultaneously limit one end of the movable contact 3, the other end of the movable contact 3 is limited by the first outgoing baffle and the second outgoing baffle, when the first incoming baffle 411 is matched with the bottom side surface of the first movable contact 31, the first outgoing baffle can be matched with the top side surface of the second movable contact 32, similarly, when the second incoming baffle 421 is matched with the top side surface of the second movable contact 32, the second outgoing baffle can be matched with the bottom side surface of the first movable contact 31, the first outgoing baffle and the second outgoing baffle not only can further limit the movable contact 3, but also can further improve the contact area when contacting with the first movable contact 31 and the second movable contact 32, and the contact resistance when the moving contact 3 is contacted with the first outlet fixed contact 51 and the second outlet fixed contact 52 is reduced.
Referring to fig. 8-10, a specific structure of the movable contact 3 is shown, the movable contact 3 is in an H-shape, the movable contact 3 includes two contact rods 33 disposed oppositely, the two contact rods 33 respectively include two straight portions 33a disposed at two ends, and a protruding portion 33b disposed between the two straight portions 33a, the protruding portions 33b of the two contact rods 33 are respectively twisted to the outside, twist portions 33c in a twist shape are respectively formed at two ends of the two protruding portions 33b, two ends of the two protruding portions 33b are respectively connected to the two straight portions 33a through the two twist portions 33c, the inner sides of the two protruding portions 33b are connected to each other through a connecting plate 34, and a contact groove 36 is respectively formed between the two straight portions 33a at two ends of the two contact rods 33. The twist part 33c is connected between the convex part 33b and the straight part 33a, so that the elasticity of the contact rod 33 can be effectively improved, and the side surfaces at two sides of the first inlet wire contact plate 410, the second inlet wire contact plate 420, the first outlet static contact 51 and the second outlet static contact 52 can be more reliably clamped.
Further, shell fragment 35 is flaky, and shell fragment 35 includes that shell fragment 35 includes elastic arm 35b to and bend the arm 35a that forms to straight portion 33a by elastic arm 35b both ends respectively, protruding portion 33b stretches to between two bending arms 35a and supports the middle part at elastic arm 35b inboard, bending arm 35 a's one end and elastic arm 35b are connected and set up with straight portion 33a interval, bending arm 35 a's the other end and straight portion 33a keep away from the terminal surface of protruding portion 33b and level and support in straight portion 33 a's the outside. The one end of bending arm 35a sets up with straight portion 33a interval, not only can leave the space that straight portion 33a warp when contacting the static contact in the inboard of bending arm 35a, has simple structure moreover, small, the characteristics of being convenient for processing and with low costs.
Further, the contact support 2 is circular, two contact holes 21 for avoiding the moving contact 3 are arranged on the circumference of the side surface of the contact support 2, a connecting line of the two contact holes 21 is positioned on one side of the main shaft 1, two ends of the moving contact 3 extend out of the contact support 2 from the two contact holes 21, the outer side of the bending arm 35a is in limit fit with the inner wall of the contact hole 21, the connecting plate 34 is provided with a plug pin 350, and the elastic arm 35b is provided with a jack fixedly connected with the plug pin 350. The elastic sheet 35 is fixedly connected with the moving contact 3 through the plug 350, can be assembled with the moving contact 3 into a whole, and then assembled into the contact support 2 together, so that the assembling difficulty can be reduced, the contact hole 21 and the protruding part 33b are respectively limited by the elastic sheet 35 in two vertical directions, and the plug 350 is limited along the length direction of the elastic sheet 35, so that the structure is simple, and the limitation is reliable.
As shown in fig. 2, 4, 6, and 7, the first outgoing static contact 51, the second outgoing static contact 52, the first incoming static contact 41, and the second incoming static contact 42 are all disposed perpendicular to the direction of the connection line of the two contact bars 33, the side edges of the first incoming static contact 41 and the second incoming static contact 42 are respectively connected to the first incoming baffle 411 and the second incoming baffle 421 perpendicularly, the side edges of the first incoming baffle 411 and the second incoming baffle 421 are respectively connected to the first incoming wiring board 412 and the second incoming wiring board 422 obliquely, the first incoming wiring board 412 and the second incoming wiring board 422 are respectively provided with a wiring screw, and the side surfaces of the first incoming baffle 411 and the second incoming baffle 421 are in limit fit with one of the two contact bars 33. The first incoming line baffle 411 and the first incoming line contact plate 410, and the second incoming line baffle 421 and the second incoming line contact plate 420 are skillfully combined together, so that the first incoming line baffle 411 and the first incoming line contact plate 410, and the second incoming line baffle 421 and the second incoming line contact plate 420 can be integrally formed by bending respectively, and the first incoming line static contact 41 and the second incoming line static contact 42 further have the characteristics of convenience in processing, high structural strength and low cost.
Further, the first incoming line baffle 411 on the first incoming line static contact 41 inclines to a side close to the second incoming line static contact 42, the second incoming line baffle 421 on the second incoming line static contact 42 inclines to a side close to the first incoming line static contact 41, an included angle between the first incoming line baffle 411 and the first incoming line static contact 41, and an included angle α between the second incoming line baffle 421 and the second incoming line static contact 42 are obtuse angles.
As shown in fig. 11, the specific structures of the first outlet static contact 51 and the second outlet static contact 52 are shown, a first outlet wiring board 501 is disposed on one side of the first outlet static contact 51 and the second outlet static contact 52, a side of the first outlet wiring board 501 is connected to the first outlet static contact 51 and the second outlet static contact 52, one end of the first outlet wiring board 501 is vertically connected to the second outlet wiring board 502, and a wiring screw is disposed on the second outlet wiring board 502. The first outlet static contact 51 and the second outlet static contact 52 are skillfully combined with the first outlet wiring board 501 and the second outlet wiring board 502, so that the first outlet static contact 51 and the second outlet static contact 52 can be integrally formed by bending a metal plate, and the device has the characteristics of convenience in processing, high structural strength and low cost. Of course, the first outlet static contact 51 and the second outlet static contact 52 may be separated from each other and connected to each other by a flexible connection or a conductive sheet, which all belong to the protection scope of the present invention.
As shown in fig. 12, the automatic transfer switching apparatus includes a common base 6, an operating mechanism 7, a first incoming line static contact 41, a second incoming line static contact 42, a spare base 8, and an outgoing line static contact 5. The operating mechanism 7 drives the main shaft 1 to drive the moving contact 3 to rotate, and common closing, standby closing and double separation are realized.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A plug-in contact system, characterized by: comprises a contact support (2) connected with a main shaft (1) and a moving contact (3) arranged on the contact support (2), wherein two ends of the moving contact (3) are respectively provided with a contact groove (36), a first inlet wire static contact (41) and a second inlet wire static contact (42) are arranged on one side of the contact support (2), a first outlet static contact (51) which is arranged opposite to the first inlet static contact (41) is arranged on the other side of the contact support (2), and a second outlet static contact (52) arranged opposite to the second inlet static contact (42), the contact support (2) can drive the moving contact (3) to rotate, so that the first inlet static contact (41) and the first outlet static contact (51) are respectively inserted into the contact grooves (36) at the two ends of the moving contact (3), or the second inlet static contact (42) and the second outlet static contact (52) are respectively inserted into the contact grooves (36) at the two ends of the moving contact (3).
2. The poke-in contact system of claim 1, wherein: the moving contact (3) become the H type, and moving contact (3) are including two contact bar (33) that set up relatively to and connect connecting plate (34) between two contact bar (33) middle parts, form contact slot (36) respectively with the both sides of connecting plate (34) between two contact bar (33), are equipped with shell fragment (35) respectively in the outside of two contact bar (33), and two shell fragment (35) can be followed the outside respectively and promote two contact bar (33) and be close to each other to another contact bar (33).
3. The poke-in contact system of claim 1, wherein: the first inlet wire static contact (41) comprises a first inlet wire contact plate (410) and a first inlet wire baffle (411) which are vertically arranged, the second inlet wire static contact (42) comprises a second inlet wire contact plate (420) and a second inlet wire baffle (421) which are vertically arranged, the first inlet wire contact plate (410) and the second inlet wire contact plate (420) can be inserted into the contact groove (36), and the first inlet wire baffle (411) and the second inlet wire baffle (421) can be abutted to the moving contact (3) from the outer side.
4. The poke-in contact system of claim 2, wherein: two contact bars (33) respectively including two straight portion (33a) of setting at both ends, and boss (33b) of setting between two straight portion (33a), boss (33b) of two contact bars (33) outside distortion respectively, form twist portion (33c) of twist shape respectively at the both ends of two boss (33b), the both ends of two boss (33b) link to each other with two straight portion (33a) through two twist portion (33c) respectively, and the inboard of two boss (33b) links to each other through connecting plate (34), form contact groove (36) respectively between two straight portion (33a) at two contact bar (33) both ends.
5. The poke-in contact system of claim 4, wherein: the shell fragment (35) is flaky, shell fragment (35) include shell fragment (35) including elastic arm (35b), and bend arm (35a) that forms to straight portion (33a) respectively by elastic arm (35b) both ends, bellying (33b) are stretched to between two bending arms (35a) and are supported at the inboard middle part of elastic arm (35b), the one end of bending arm (35a) is connected with elastic arm (35b) and set up with straight portion (33a) interval, the other end of bending arm (35a) and the terminal surface that straight portion (33a) kept away from bellying (33b) flush and support the outside at straight portion (33 a).
6. The poke-in contact system of claim 5, wherein: the contact support (2) is circular, two contact holes (21) used for avoiding the moving contact (3) are formed in the circumference of the side face of the contact support (2), the connecting line of the two contact holes (21) is located on one side of the main shaft (1), the two ends of the moving contact (3) extend out of the contact support (2) from the two contact holes (21), the outer side of the bending arm (35a) is in limit fit with the inner wall of the contact holes (21), the connecting plate (34) is provided with a plug pin (350), and the elastic arm (35b) is provided with a jack fixedly connected with the plug pin (350).
7. The poke-in contact system of claim 2, wherein: the first outgoing static contact (51), the second outgoing static contact (52), the first incoming static contact (41) and the second incoming static contact (42) are all perpendicular to the connecting line direction of the two contact rods (33), the sides of the first incoming static contact (41) and the second incoming static contact (42) are respectively perpendicular to the first incoming baffle (411) and the second incoming baffle (421), the sides of the first incoming baffle (411) and the second incoming baffle (421) are respectively obliquely connected with the first incoming wiring board (412) and the second incoming wiring board (422), the first incoming wiring board (412) and the second incoming wiring board (422) are respectively provided with a wiring screw, and the side surfaces of the first incoming baffle (411) and the second incoming baffle (421) are in limit fit with one of the two contact rods (33).
8. The plug-in contact system of claim 7, wherein the first incoming line baffle (411) of the first incoming line static contact (41) is inclined to a side close to the second incoming line static contact (42), the second incoming line baffle (421) of the second incoming line static contact (42) is inclined to a side close to the first incoming line static contact (41), and an included angle between the first incoming line baffle (411) and the first incoming line static contact (41) and an included angle α between the second incoming line baffle (421) and the second incoming line static contact (42) are obtuse angles.
9. The poke-in contact system of claim 1, wherein: one side of each of the first outlet static contact (51) and the second outlet static contact (52) is provided with a first outlet wiring board (501), the side of each first outlet wiring board (501) is connected with the first outlet static contact (51) and the second outlet static contact (52), one end of each first outlet wiring board (501) is vertically connected with the second outlet wiring board (502), and each second outlet wiring board (502) is provided with a wiring screw.
10. An automatic transfer switching apparatus, characterized in that: comprising an operating mechanism (7), a transmission mechanism and the plug-in contact system as claimed in any one of claims 1 to 9, wherein a first incoming static contact (41) and a second incoming static contact (42) of the plug-in contact system are respectively connected with a standby side power supply and a common side power supply, a first outgoing static contact (51) and a second outgoing static contact (52) of the plug-in contact system are connected with a load, a main shaft (1) of the plug-in contact system is connected with the operating mechanism (7), the operating mechanism (7) can drive the main shaft (1) to drive a movable contact (3) on a contact support (2) to rotate, the movable contact (3) can conduct the first incoming static contact (41) and the first outgoing static contact (51) to supply power to the load from the standby side power supply or conduct the second incoming static contact (42) and the second outgoing static contact (52) to supply power to the load from the common side power supply, and when the moving contact (3) is not in contact with the first inlet line static contact (41) and the second inlet line static contact (42), stopping supplying power to the load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485438.1U CN210091945U (en) | 2019-04-11 | 2019-04-11 | Plug-in contact system and automatic transfer switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485438.1U CN210091945U (en) | 2019-04-11 | 2019-04-11 | Plug-in contact system and automatic transfer switching device |
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| Publication Number | Publication Date |
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| CN210091945U true CN210091945U (en) | 2020-02-18 |
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| CN201920485438.1U Active CN210091945U (en) | 2019-04-11 | 2019-04-11 | Plug-in contact system and automatic transfer switching device |
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| CN (1) | CN210091945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133584A (en) * | 2020-10-15 | 2020-12-25 | 施耐德万高（天津）电气设备有限公司 | Rotary plug-in contact |
| CN113096987A (en) * | 2021-04-29 | 2021-07-09 | 江苏优品电气有限公司 | Forward and reverse rotation motor change-over switch |
-
2019
- 2019-04-11 CN CN201920485438.1U patent/CN210091945U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133584A (en) * | 2020-10-15 | 2020-12-25 | 施耐德万高（天津）电气设备有限公司 | Rotary plug-in contact |
| CN112133584B (en) * | 2020-10-15 | 2023-03-31 | 施耐德万高（天津）电气设备有限公司 | Rotary plug-in contact |
| CN113096987A (en) * | 2021-04-29 | 2021-07-09 | 江苏优品电气有限公司 | Forward and reverse rotation motor change-over switch |
| CN113096987B (en) * | 2021-04-29 | 2022-10-21 | 江苏优品电气有限公司 | Forward and reverse rotation motor change-over switch |
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| GR01 | Patent grant | ||
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| 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: Plug in contact system and automatic transfer switching apparatus Granted publication date: 20200218 License type: Common License Record date: 20201021 |